refs/heads/tmp-28ec98b:
Linux 4.4.55
ext4: don't BUG when truncating encrypted inodes on the orphan list
dm: flush queued bios when process blocks to avoid deadlock
nfit, libnvdimm: fix interleave set cookie calculation
s390/kdump: Use "LINUX" ELF note name instead of "CORE"
KVM: s390: Fix guest migration for huge guests resulting in panic
mvsas: fix misleading indentation
serial: samsung: Continue to work if DMA request fails
USB: serial: io_ti: fix information leak in completion handler
USB: serial: io_ti: fix NULL-deref in interrupt callback
USB: iowarrior: fix NULL-deref in write
USB: iowarrior: fix NULL-deref at probe
USB: serial: omninet: fix reference leaks at open
USB: serial: safe_serial: fix information leak in completion handler
usb: host: xhci-plat: Fix timeout on removal of hot pluggable xhci controllers
usb: host: xhci-dbg: HCIVERSION should be a binary number
usb: gadget: function: f_fs: pass companion descriptor along
usb: dwc3: gadget: make Set Endpoint Configuration macros safe
usb: gadget: dummy_hcd: clear usb_gadget region before registration
powerpc: Emulation support for load/store instructions on LE
tracing: Add #undef to fix compile error
MIPS: Netlogic: Fix CP0_EBASE redefinition warnings
MIPS: DEC: Avoid la pseudo-instruction in delay slots
mm: memcontrol: avoid unused function warning
cpmac: remove hopeless #warning
MIPS: ralink: Remove unused rt*_wdt_reset functions
MIPS: ralink: Cosmetic change to prom_init().
mtd: pmcmsp: use kstrndup instead of kmalloc+strncpy
MIPS: Update lemote2f_defconfig for CPU_FREQ_STAT change
MIPS: ip22: Fix ip28 build for modern gcc
MIPS: Update ip27_defconfig for SCSI_DH change
MIPS: ip27: Disable qlge driver in defconfig
MIPS: Update defconfigs for NF_CT_PROTO_DCCP/UDPLITE change
crypto: improve gcc optimization flags for serpent and wp512
USB: serial: digi_acceleport: fix OOB-event processing
USB: serial: digi_acceleport: fix OOB data sanity check
Linux 4.4.54
drivers: hv: Turn off write permission on the hypercall page
fat: fix using uninitialized fields of fat_inode/fsinfo_inode
libceph: use BUG() instead of BUG_ON(1)
drm/i915/dsi: Do not clear DPOUNIT_CLOCK_GATE_DISABLE from vlv_init_display_clock_gating
fakelb: fix schedule while atomic
drm/atomic: fix an error code in mode_fixup()
drm/ttm: Make sure BOs being swapped out are cacheable
drm/edid: Add EDID_QUIRK_FORCE_8BPC quirk for Rotel RSX-1058
drm/ast: Fix AST2400 POST failure without BMC FW or VBIOS
drm/ast: Call open_key before enable_mmio in POST code
drm/ast: Fix test for VGA enabled
drm/amdgpu: add more cases to DCE11 possible crtc mask setup
mac80211: flush delayed work when entering suspend
xtensa: move parse_tag_fdt out of #ifdef CONFIG_BLK_DEV_INITRD
pwm: pca9685: Fix period change with same duty cycle
nlm: Ensure callback code also checks that the files match
target: Fix NULL dereference during LUN lookup + active I/O shutdown
ceph: remove req from unsafe list when unregistering it
ktest: Fix child exit code processing
IB/srp: Fix race conditions related to task management
IB/srp: Avoid that duplicate responses trigger a kernel bug
IB/IPoIB: Add destination address when re-queue packet
IB/ipoib: Fix deadlock between rmmod and set_mode
mnt: Tuck mounts under others instead of creating shadow/side mounts.
net: mvpp2: fix DMA address calculation in mvpp2_txq_inc_put()
s390: use correct input data address for setup_randomness
s390: make setup_randomness work
s390: TASK_SIZE for kernel threads
s390/dcssblk: fix device size calculation in dcssblk_direct_access()
s390/qdio: clear DSCI prior to scanning multiple input queues
Bluetooth: Add another AR3012 04ca:3018 device
KVM: VMX: use correct vmcs_read/write for guest segment selector/base
KVM: s390: Disable dirty log retrieval for UCONTROL guests
serial: 8250_pci: Add MKS Tenta SCOM-0800 and SCOM-0801 cards
tty: n_hdlc: get rid of racy n_hdlc.tbuf
TTY: n_hdlc, fix lockdep false positive
Linux 4.4.53
scsi: lpfc: Correct WQ creation for pagesize
MIPS: IP22: Fix build error due to binutils 2.25 uselessnes.
MIPS: IP22: Reformat inline assembler code to modern standards.
powerpc/xmon: Fix data-breakpoint
dmaengine: ipu: Make sure the interrupt routine checks all interrupts.
bcma: use (get|put)_device when probing/removing device driver
md linear: fix a race between linear_add() and linear_congested()
rtc: sun6i: Switch to the external oscillator
rtc: sun6i: Add some locking
NFSv4: fix getacl ERANGE for some ACL buffer sizes
NFSv4: fix getacl head length estimation
NFSv4: Fix memory and state leak in _nfs4_open_and_get_state
nfsd: special case truncates some more
nfsd: minor nfsd_setattr cleanup
rtlwifi: rtl8192c-common: Fix "BUG: KASAN:
rtlwifi: Fix alignment issues
gfs2: Add missing rcu locking for glock lookup
rdma_cm: fail iwarp accepts w/o connection params
RDMA/core: Fix incorrect structure packing for booleans
Drivers: hv: util: Backup: Fix a rescind processing issue
Drivers: hv: util: Fcopy: Fix a rescind processing issue
Drivers: hv: util: kvp: Fix a rescind processing issue
hv: init percpu_list in hv_synic_alloc()
hv: allocate synic pages for all present CPUs
usb: gadget: udc: fsl: Add missing complete function.
usb: host: xhci: plat: check hcc_params after add hcd
usb: musb: da8xx: Remove CPPI 3.0 quirk and methods
w1: ds2490: USB transfer buffers need to be DMAable
w1: don't leak refcount on slave attach failure in w1_attach_slave_device()
can: usb_8dev: Fix memory leak of priv->cmd_msg_buffer
iio: pressure: mpl3115: do not rely on structure field ordering
iio: pressure: mpl115: do not rely on structure field ordering
arm/arm64: KVM: Enforce unconditional flush to PoC when mapping to stage-2
fuse: add missing FR_FORCE
crypto: testmgr - Pad aes_ccm_enc_tv_template vector
ath9k: use correct OTP register offsets for the AR9340 and AR9550
ath9k: fix race condition in enabling/disabling IRQs
ath5k: drop bogus warning on drv_set_key with unsupported cipher
target: Fix multi-session dynamic se_node_acl double free OOPs
target: Obtain se_node_acl->acl_kref during get_initiator_node_acl
samples/seccomp: fix 64-bit comparison macros
ext4: return EROFS if device is r/o and journal replay is needed
ext4: preserve the needs_recovery flag when the journal is aborted
ext4: fix inline data error paths
ext4: fix data corruption in data=journal mode
ext4: trim allocation requests to group size
ext4: do not polute the extents cache while shifting extents
ext4: Include forgotten start block on fallocate insert range
loop: fix LO_FLAGS_PARTSCAN hang
block/loop: fix race between I/O and set_status
jbd2: don't leak modified metadata buffers on an aborted journal
Fix: Disable sys_membarrier when nohz_full is enabled
sd: get disk reference in sd_check_events()
scsi: use 'scsi_device_from_queue()' for scsi_dh
scsi: aacraid: Reorder Adapter status check
scsi: storvsc: properly set residual data length on errors
scsi: storvsc: properly handle SRB_ERROR when sense message is present
scsi: storvsc: use tagged SRB requests if supported by the device
dm stats: fix a leaked s->histogram_boundaries array
dm cache: fix corruption seen when using cache > 2TB
ipc/shm: Fix shmat mmap nil-page protection
mm: do not access page->mapping directly on page_endio
mm: vmpressure: fix sending wrong events on underflow
mm/page_alloc: fix nodes for reclaim in fast path
iommu/vt-d: Tylersburg isoch identity map check is done too late.
iommu/vt-d: Fix some macros that are incorrectly specified in intel-iommu
regulator: Fix regulator_summary for deviceless consumers
staging: rtl: fix possible NULL pointer dereference
ALSA: hda - Fix micmute hotkey problem for a lenovo AIO machine
ALSA: hda - Add subwoofer support for Dell Inspiron 17 7000 Gaming
ALSA: seq: Fix link corruption by event error handling
ALSA: ctxfi: Fallback DMA mask to 32bit
ALSA: timer: Reject user params with too small ticks
ALSA: hda - fix Lewisburg audio issue
ALSA: hda/realtek - Cannot adjust speaker's volume on a Dell AIO
ARM: dts: at91: Enable DMA on sama5d2_xplained console
ARM: dts: at91: Enable DMA on sama5d4_xplained console
ARM: at91: define LPDDR types
media: fix dm1105.c build error
uvcvideo: Fix a wrong macro
am437x-vpfe: always assign bpp variable
MIPS: Handle microMIPS jumps in the same way as MIPS32/MIPS64 jumps
MIPS: Calculate microMIPS ra properly when unwinding the stack
MIPS: Fix is_jump_ins() handling of 16b microMIPS instructions
MIPS: Fix get_frame_info() handling of microMIPS function size
MIPS: Prevent unaligned accesses during stack unwinding
MIPS: Clear ISA bit correctly in get_frame_info()
MIPS: Lantiq: Keep ethernet enabled during boot
MIPS: OCTEON: Fix copy_from_user fault handling for large buffers
MIPS: BCM47XX: Fix button inversion for Asus WL-500W
MIPS: Fix special case in 64 bit IP checksumming.
samples: move mic/mpssd example code from Documentation
Linux 4.4.52
kvm: vmx: ensure VMCS is current while enabling PML
Revert "usb: chipidea: imx: enable CI_HDRC_SET_NON_ZERO_TTHA"
rtlwifi: rtl_usb: Fix for URB leaking when doing ifconfig up/down
block: fix double-free in the failure path of cgwb_bdi_init()
goldfish: Sanitize the broken interrupt handler
x86/platform/goldfish: Prevent unconditional loading
USB: serial: ark3116: fix register-accessor error handling
USB: serial: opticon: fix CTS retrieval at open
USB: serial: spcp8x5: fix modem-status handling
USB: serial: ftdi_sio: fix line-status over-reporting
USB: serial: ftdi_sio: fix extreme low-latency setting
USB: serial: ftdi_sio: fix modem-status error handling
USB: serial: cp210x: add new IDs for GE Bx50v3 boards
USB: serial: mos7840: fix another NULL-deref at open
tty: serial: msm: Fix module autoload
net: socket: fix recvmmsg not returning error from sock_error
ip: fix IP_CHECKSUM handling
irda: Fix lockdep annotations in hashbin_delete().
dccp: fix freeing skb too early for IPV6_RECVPKTINFO
packet: Do not call fanout_release from atomic contexts
packet: fix races in fanout_add()
net/llc: avoid BUG_ON() in skb_orphan()
blk-mq: really fix plug list flushing for nomerge queues
rtc: interface: ignore expired timers when enqueuing new timers
rtlwifi: rtl_usb: Fix missing entry in USB driver's private data
Linux 4.4.51
mmc: core: fix multi-bit bus width without high-speed mode
bcache: Make gc wakeup sane, remove set_task_state()
ntb_transport: Pick an unused queue
NTB: ntb_transport: fix debugfs_remove_recursive
printk: use rcuidle console tracepoint
ARM: 8658/1: uaccess: fix zeroing of 64-bit get_user()
futex: Move futex_init() to core_initcall
drm/dp/mst: fix kernel oops when turning off secondary monitor
drm/radeon: Use mode h/vdisplay fields to hide out of bounds HW cursor
Input: elan_i2c - add ELAN0605 to the ACPI table
Fix missing sanity check in /dev/sg
scsi: don't BUG_ON() empty DMA transfers
fuse: fix use after free issue in fuse_dev_do_read()
siano: make it work again with CONFIG_VMAP_STACK
vfs: fix uninitialized flags in splice_to_pipe()
Linux 4.4.50
l2tp: do not use udp_ioctl()
ping: fix a null pointer dereference
packet: round up linear to header len
net: introduce device min_header_len
sit: fix a double free on error path
sctp: avoid BUG_ON on sctp_wait_for_sndbuf
mlx4: Invoke softirqs after napi_reschedule
macvtap: read vnet_hdr_size once
tun: read vnet_hdr_sz once
tcp: avoid infinite loop in tcp_splice_read()
ipv6: tcp: add a missing tcp_v6_restore_cb()
ip6_gre: fix ip6gre_err() invalid reads
netlabel: out of bound access in cipso_v4_validate()
ipv4: keep skb->dst around in presence of IP options
net: use a work queue to defer net_disable_timestamp() work
tcp: fix 0 divide in __tcp_select_window()
ipv6: pointer math error in ip6_tnl_parse_tlv_enc_lim()
ipv6: fix ip6_tnl_parse_tlv_enc_lim()
can: Fix kernel panic at security_sock_rcv_skb
Conflicts:
drivers/scsi/sd.c
drivers/usb/gadget/function/f_fs.c
drivers/usb/host/xhci-plat.c
CRs-Fixed: 2023471
Change-Id: I396051a8de30271af77b3890d4b19787faa1c31e
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
* remotes/origin/tmp-2f0de51:
Linux 4.4.38
esp6: Fix integrity verification when ESN are used
esp4: Fix integrity verification when ESN are used
ipv4: Set skb->protocol properly for local output
ipv6: Set skb->protocol properly for local output
Don't feed anything but regular iovec's to blk_rq_map_user_iov
constify iov_iter_count() and iter_is_iovec()
sparc64: fix compile warning section mismatch in find_node()
sparc64: Fix find_node warning if numa node cannot be found
sparc32: Fix inverted invalid_frame_pointer checks on sigreturns
net: ping: check minimum size on ICMP header length
net: avoid signed overflows for SO_{SND|RCV}BUFFORCE
geneve: avoid use-after-free of skb->data
sh_eth: remove unchecked interrupts for RZ/A1
net: bcmgenet: Utilize correct struct device for all DMA operations
packet: fix race condition in packet_set_ring
net/dccp: fix use-after-free in dccp_invalid_packet
netlink: Do not schedule work from sk_destruct
netlink: Call cb->done from a worker thread
net/sched: pedit: make sure that offset is valid
net, sched: respect rcu grace period on cls destruction
net: dsa: bcm_sf2: Ensure we re-negotiate EEE during after link change
l2tp: fix racy SOCK_ZAPPED flag check in l2tp_ip{,6}_bind()
rtnetlink: fix FDB size computation
af_unix: conditionally use freezable blocking calls in read
net: sky2: Fix shutdown crash
ip6_tunnel: disable caching when the traffic class is inherited
net: check dead netns for peernet2id_alloc()
virtio-net: add a missing synchronize_net()
Linux 4.4.37
arm64: suspend: Reconfigure PSTATE after resume from idle
arm64: mm: Set PSTATE.PAN from the cpu_enable_pan() call
arm64: cpufeature: Schedule enable() calls instead of calling them via IPI
pwm: Fix device reference leak
mwifiex: printk() overflow with 32-byte SSIDs
PCI: Set Read Completion Boundary to 128 iff Root Port supports it (_HPX)
PCI: Export pcie_find_root_port
rcu: Fix soft lockup for rcu_nocb_kthread
ALSA: pcm : Call kill_fasync() in stream lock
x86/traps: Ignore high word of regs->cs in early_fixup_exception()
kasan: update kasan_global for gcc 7
zram: fix unbalanced idr management at hot removal
ARC: Don't use "+l" inline asm constraint
Linux 4.4.36
scsi: mpt3sas: Unblock device after controller reset
flow_dissect: call init_default_flow_dissectors() earlier
mei: fix return value on disconnection
mei: me: fix place for kaby point device ids.
mei: me: disable driver on SPT SPS firmware
drm/radeon: Ensure vblank interrupt is enabled on DPMS transition to on
mpi: Fix NULL ptr dereference in mpi_powm() [ver #3]
parisc: Also flush data TLB in flush_icache_page_asm
parisc: Fix race in pci-dma.c
parisc: Fix races in parisc_setup_cache_timing()
NFSv4.x: hide array-bounds warning
apparmor: fix change_hat not finding hat after policy replacement
cfg80211: limit scan results cache size
tile: avoid using clocksource_cyc2ns with absolute cycle count
scsi: mpt3sas: Fix secure erase premature termination
Fix USB CB/CBI storage devices with CONFIG_VMAP_STACK=y
USB: serial: ftdi_sio: add support for TI CC3200 LaunchPad
USB: serial: cp210x: add ID for the Zone DPMX
usb: chipidea: move the lock initialization to core file
KVM: x86: check for pic and ioapic presence before use
KVM: x86: drop error recovery in em_jmp_far and em_ret_far
iommu/vt-d: Fix IOMMU lookup for SR-IOV Virtual Functions
iommu/vt-d: Fix PASID table allocation
sched: tune: Fix lacking spinlock initialization
UPSTREAM: trace: Update documentation for mono, mono_raw and boot clock
UPSTREAM: trace: Add an option for boot clock as trace clock
UPSTREAM: timekeeping: Add a fast and NMI safe boot clock
ANDROID: goldfish_pipe: fix allmodconfig build
ANDROID: goldfish: goldfish_pipe: fix locking errors
ANDROID: video: goldfishfb: fix platform_no_drv_owner.cocci warnings
ANDROID: goldfish_pipe: fix call_kern.cocci warnings
arm64: rename ranchu defconfig to ranchu64
ANDROID: arch: x86: disable pic for Android toolchain
ANDROID: goldfish_pipe: An implementation of more parallel pipe
ANDROID: goldfish_pipe: bugfixes and performance improvements.
ANDROID: goldfish: Add goldfish sync driver
ANDROID: goldfish: add ranchu defconfigs
ANDROID: goldfish_audio: Clear audio read buffer status after each read
ANDROID: goldfish_events: no extra EV_SYN; register goldfish
ANDROID: goldfish_fb: Set pixclock = 0
ANDROID: goldfish: Enable ACPI-based enumeration for goldfish audio
ANDROID: goldfish: Enable ACPI-based enumeration for goldfish framebuffer
ANDROID: video: goldfishfb: add devicetree bindings
BACKPORT: staging: goldfish: audio: fix compiliation on arm
BACKPORT: Input: goldfish_events - enable ACPI-based enumeration for goldfish events
BACKPORT: goldfish: Enable ACPI-based enumeration for goldfish battery
BACKPORT: drivers: tty: goldfish: Add device tree bindings
BACKPORT: tty: goldfish: support platform_device with id -1
BACKPORT: Input: goldfish_events - add devicetree bindings
BACKPORT: power: goldfish_battery: add devicetree bindings
BACKPORT: staging: goldfish: audio: add devicetree bindings
ANDROID: usb: gadget: function: cleanup: Add blank line after declaration
cpufreq: sched: Fix kernel crash on accessing sysfs file
usb: gadget: f_mtp: simplify ptp NULL pointer check
cgroup: replace unified-hierarchy.txt with a proper cgroup v2 documentation
cgroup: rename Documentation/cgroups/ to Documentation/cgroup-legacy/
cgroup: replace __DEVEL__sane_behavior with cgroup2 fs type
writeback: initialize inode members that track writeback history
mm: page_alloc: generalize the dirty balance reserve
block: fix module reference leak on put_disk() call for cgroups throttle
Linux 4.4.35
netfilter: nft_dynset: fix element timeout for HZ != 1000
IB/cm: Mark stale CM id's whenever the mad agent was unregistered
IB/uverbs: Fix leak of XRC target QPs
IB/core: Avoid unsigned int overflow in sg_alloc_table
IB/mlx5: Fix fatal error dispatching
IB/mlx5: Use cache line size to select CQE stride
IB/mlx4: Fix create CQ error flow
IB/mlx4: Check gid_index return value
PM / sleep: don't suspend parent when async child suspend_{noirq, late} fails
PM / sleep: fix device reference leak in test_suspend
uwb: fix device reference leaks
mfd: core: Fix device reference leak in mfd_clone_cell
iwlwifi: pcie: fix SPLC structure parsing
rtc: omap: Fix selecting external osc
clk: mmp: mmp2: fix return value check in mmp2_clk_init()
clk: mmp: pxa168: fix return value check in pxa168_clk_init()
clk: mmp: pxa910: fix return value check in pxa910_clk_init()
drm/amdgpu: Attach exclusive fence to prime exported bo's. (v5)
crypto: caam - do not register AES-XTS mode on LP units
ext4: sanity check the block and cluster size at mount time
kbuild: Steal gcc's pie from the very beginning
x86/kexec: add -fno-PIE
scripts/has-stack-protector: add -fno-PIE
kbuild: add -fno-PIE
i2c: mux: fix up dependencies
can: bcm: fix warning in bcm_connect/proc_register
mfd: intel-lpss: Do not put device in reset state on suspend
fuse: fix fuse_write_end() if zero bytes were copied
KVM: Disable irq while unregistering user notifier
KVM: x86: fix missed SRCU usage in kvm_lapic_set_vapic_addr
x86/cpu/AMD: Fix cpu_llc_id for AMD Fam17h systems
Linux 4.4.34
sparc64: Delete now unused user copy fixup functions.
sparc64: Delete now unused user copy assembler helpers.
sparc64: Convert U3copy_{from,to}_user to accurate exception reporting.
sparc64: Convert NG2copy_{from,to}_user to accurate exception reporting.
sparc64: Convert NGcopy_{from,to}_user to accurate exception reporting.
sparc64: Convert NG4copy_{from,to}_user to accurate exception reporting.
sparc64: Convert U1copy_{from,to}_user to accurate exception reporting.
sparc64: Convert GENcopy_{from,to}_user to accurate exception reporting.
sparc64: Convert copy_in_user to accurate exception reporting.
sparc64: Prepare to move to more saner user copy exception handling.
sparc64: Delete __ret_efault.
sparc64: Handle extremely large kernel TLB range flushes more gracefully.
sparc64: Fix illegal relative branches in hypervisor patched TLB cross-call code.
sparc64: Fix instruction count in comment for __hypervisor_flush_tlb_pending.
sparc64: Fix illegal relative branches in hypervisor patched TLB code.
sparc64: Handle extremely large kernel TSB range flushes sanely.
sparc: Handle negative offsets in arch_jump_label_transform
sparc64 mm: Fix base TSB sizing when hugetlb pages are used
sparc: serial: sunhv: fix a double lock bug
sparc: Don't leak context bits into thread->fault_address
tty: Prevent ldisc drivers from re-using stale tty fields
tcp: take care of truncations done by sk_filter()
ipv4: use new_gw for redirect neigh lookup
net: __skb_flow_dissect() must cap its return value
sock: fix sendmmsg for partial sendmsg
fib_trie: Correct /proc/net/route off by one error
sctp: assign assoc_id earlier in __sctp_connect
ipv6: dccp: add missing bind_conflict to dccp_ipv6_mapped
ipv6: dccp: fix out of bound access in dccp_v6_err()
dccp: fix out of bound access in dccp_v4_err()
dccp: do not send reset to already closed sockets
tcp: fix potential memory corruption
ip6_tunnel: Clear IP6CB in ip6tunnel_xmit()
bgmac: stop clearing DMA receive control register right after it is set
net: mangle zero checksum in skb_checksum_help()
net: clear sk_err_soft in sk_clone_lock()
dctcp: avoid bogus doubling of cwnd after loss
ARM: 8485/1: cpuidle: remove cpu parameter from the cpuidle_ops suspend hook
Linux 4.4.33
netfilter: fix namespace handling in nf_log_proc_dostring
btrfs: qgroup: Prevent qgroup->reserved from going subzero
mmc: mxs: Initialize the spinlock prior to using it
ASoC: sun4i-codec: return error code instead of NULL when create_card fails
ACPI / APEI: Fix incorrect return value of ghes_proc()
i40e: fix call of ndo_dflt_bridge_getlink()
hwrng: core - Don't use a stack buffer in add_early_randomness()
lib/genalloc.c: start search from start of chunk
mei: bus: fix received data size check in NFC fixup
iommu/vt-d: Fix dead-locks in disable_dmar_iommu() path
iommu/amd: Free domain id when free a domain of struct dma_ops_domain
tty/serial: at91: fix hardware handshake on Atmel platforms
dmaengine: at_xdmac: fix spurious flag status for mem2mem transfers
drm/i915: Respect alternate_ddc_pin for all DDI ports
KVM: MIPS: Precalculate MMIO load resume PC
scsi: mpt3sas: Fix for block device of raid exists even after deleting raid disk
scsi: qla2xxx: Fix scsi scan hang triggered if adapter fails during init
iio: orientation: hid-sensor-rotation: Add PM function (fix non working driver)
iio: hid-sensors: Increase the precision of scale to fix wrong reading interpretation.
clk: qoriq: Don't allow CPU clocks higher than starting value
toshiba-wmi: Fix loading the driver on non Toshiba laptops
drbd: Fix kernel_sendmsg() usage - potential NULL deref
usb: gadget: u_ether: remove interrupt throttling
USB: cdc-acm: fix TIOCMIWAIT
staging: nvec: remove managed resource from PS2 driver
Revert "staging: nvec: ps2: change serio type to passthrough"
drivers: staging: nvec: remove bogus reset command for PS/2 interface
staging: iio: ad5933: avoid uninitialized variable in error case
pinctrl: cherryview: Prevent possible interrupt storm on resume
pinctrl: cherryview: Serialize register access in suspend/resume
ARC: timer: rtc: implement read loop in "C" vs. inline asm
s390/hypfs: Use get_free_page() instead of kmalloc to ensure page alignment
coredump: fix unfreezable coredumping task
swapfile: fix memory corruption via malformed swapfile
dib0700: fix nec repeat handling
ASoC: cs4270: fix DAPM stream name mismatch
ALSA: info: Limit the proc text input size
ALSA: info: Return error for invalid read/write
arm64: Enable KPROBES/HIBERNATION/CORESIGHT in defconfig
arm64: kvm: allows kvm cpu hotplug
arm64: KVM: Register CPU notifiers when the kernel runs at HYP
arm64: KVM: Skip HYP setup when already running in HYP
arm64: hyp/kvm: Make hyp-stub reject kvm_call_hyp()
arm64: hyp/kvm: Make hyp-stub extensible
arm64: kvm: Move lr save/restore from do_el2_call into EL1
arm64: kvm: deal with kernel symbols outside of linear mapping
arm64: introduce KIMAGE_VADDR as the virtual base of the kernel region
ANDROID: video: adf: Avoid directly referencing user pointers
ANDROID: usb: gadget: audio_source: fix comparison of distinct pointer types
android: binder: support for file-descriptor arrays.
android: binder: support for scatter-gather.
android: binder: add extra size to allocator.
android: binder: refactor binder_transact()
android: binder: support multiple /dev instances.
android: binder: deal with contexts in debugfs.
android: binder: support multiple context managers.
android: binder: split flat_binder_object.
disable aio support in recommended configuration
Linux 4.4.32
scsi: megaraid_sas: fix macro MEGASAS_IS_LOGICAL to avoid regression
drm/radeon: fix DP mode validation
drm/radeon/dp: add back special handling for NUTMEG
drm/amdgpu: fix DP mode validation
drm/amdgpu/dp: add back special handling for NUTMEG
KVM: MIPS: Drop other CPU ASIDs on guest MMU changes
Revert KVM: MIPS: Drop other CPU ASIDs on guest MMU changes
of: silence warnings due to max() usage
packet: on direct_xmit, limit tso and csum to supported devices
sctp: validate chunk len before actually using it
net sched filters: fix notification of filter delete with proper handle
udp: fix IP_CHECKSUM handling
net: sctp, forbid negative length
ipv4: use the right lock for ping_group_range
ipv4: disable BH in set_ping_group_range()
net: add recursion limit to GRO
rtnetlink: Add rtnexthop offload flag to compare mask
bridge: multicast: restore perm router ports on multicast enable
net: pktgen: remove rcu locking in pktgen_change_name()
ipv6: correctly add local routes when lo goes up
ip6_tunnel: fix ip6_tnl_lookup
ipv6: tcp: restore IP6CB for pktoptions skbs
netlink: do not enter direct reclaim from netlink_dump()
packet: call fanout_release, while UNREGISTERING a netdev
net: Add netdev all_adj_list refcnt propagation to fix panic
net/sched: act_vlan: Push skb->data to mac_header prior calling skb_vlan_*() functions
net: pktgen: fix pkt_size
net: fec: set mac address unconditionally
tg3: Avoid NULL pointer dereference in tg3_io_error_detected()
ipmr, ip6mr: fix scheduling while atomic and a deadlock with ipmr_get_route
ip6_gre: fix flowi6_proto value in ip6gre_xmit_other()
tcp: fix a compile error in DBGUNDO()
tcp: fix wrong checksum calculation on MTU probing
net: avoid sk_forward_alloc overflows
tcp: fix overflow in __tcp_retransmit_skb()
arm64/kvm: fix build issue on kvm debug
arm64: ptdump: Indicate whether memory should be faulting
arm64: Add support for ARCH_SUPPORTS_DEBUG_PAGEALLOC
arm64: Drop alloc function from create_mapping
arm64: allow vmalloc regions to be set with set_memory_*
arm64: kernel: implement ACPI parking protocol
arm64: mm: create new fine-grained mappings at boot
arm64: ensure _stext and _etext are page-aligned
arm64: mm: allow passing a pgdir to alloc_init_*
arm64: mm: allocate pagetables anywhere
arm64: mm: use fixmap when creating page tables
arm64: mm: add functions to walk tables in fixmap
arm64: mm: add __{pud,pgd}_populate
arm64: mm: avoid redundant __pa(__va(x))
Linux 4.4.31
HID: usbhid: add ATEN CS962 to list of quirky devices
ubi: fastmap: Fix add_vol() return value test in ubi_attach_fastmap()
kvm: x86: Check memopp before dereference (CVE-2016-8630)
tty: vt, fix bogus division in csi_J
usb: dwc3: Fix size used in dma_free_coherent()
pwm: Unexport children before chip removal
UBI: fastmap: scrub PEB when bitflips are detected in a free PEB EC header
Disable "frame-address" warning
smc91x: avoid self-comparison warning
cgroup: avoid false positive gcc-6 warning
drm/exynos: fix error handling in exynos_drm_subdrv_open
mm/cma: silence warnings due to max() usage
ARM: 8584/1: floppy: avoid gcc-6 warning
powerpc/ptrace: Fix out of bounds array access warning
x86/xen: fix upper bound of pmd loop in xen_cleanhighmap()
perf build: Fix traceevent plugins build race
drm/dp/mst: Check peer device type before attempting EDID read
drm/radeon: drop register readback in cayman_cp_int_cntl_setup
drm/radeon/si_dpm: workaround for SI kickers
drm/radeon/si_dpm: Limit clocks on HD86xx part
Revert "drm/radeon: fix DP link training issue with second 4K monitor"
mmc: dw_mmc-pltfm: fix the potential NULL pointer dereference
scsi: arcmsr: Send SYNCHRONIZE_CACHE command to firmware
scsi: scsi_debug: Fix memory leak if LBP enabled and module is unloaded
scsi: megaraid_sas: Fix data integrity failure for JBOD (passthrough) devices
mac80211: discard multicast and 4-addr A-MSDUs
firewire: net: fix fragmented datagram_size off-by-one
firewire: net: guard against rx buffer overflows
Input: i8042 - add XMG C504 to keyboard reset table
dm mirror: fix read error on recovery after default leg failure
virtio: console: Unlock vqs while freeing buffers
virtio_ring: Make interrupt suppression spec compliant
parisc: Ensure consistent state when switching to kernel stack at syscall entry
ovl: fsync after copy-up
KVM: MIPS: Make ERET handle ERL before EXL
KVM: x86: fix wbinvd_dirty_mask use-after-free
dm: free io_barrier after blk_cleanup_queue call
USB: serial: cp210x: fix tiocmget error handling
tty: limit terminal size to 4M chars
xhci: add restart quirk for Intel Wildcatpoint PCH
hv: do not lose pending heartbeat vmbus packets
vt: clear selection before resizing
Fix potential infoleak in older kernels
GenWQE: Fix bad page access during abort of resource allocation
usb: increase ohci watchdog delay to 275 msec
xhci: use default USB_RESUME_TIMEOUT when resuming ports.
USB: serial: ftdi_sio: add support for Infineon TriBoard TC2X7
USB: serial: fix potential NULL-dereference at probe
usb: gadget: function: u_ether: don't starve tx request queue
mei: txe: don't clean an unprocessed interrupt cause.
ubifs: Fix regression in ubifs_readdir()
ubifs: Abort readdir upon error
btrfs: fix races on root_log_ctx lists
ANDROID: binder: Clear binder and cookie when setting handle in flat binder struct
ANDROID: binder: Add strong ref checks
ALSA: hda - Fix headset mic detection problem for two Dell laptops
ALSA: hda - Adding a new group of pin cfg into ALC295 pin quirk table
ALSA: hda - allow 40 bit DMA mask for NVidia devices
ALSA: hda - Raise AZX_DCAPS_RIRB_DELAY handling into top drivers
ALSA: hda - Merge RIRB_PRE_DELAY into CTX_WORKAROUND caps
ALSA: usb-audio: Add quirk for Syntek STK1160
KEYS: Fix short sprintf buffer in /proc/keys show function
mm: memcontrol: do not recurse in direct reclaim
mm/list_lru.c: avoid error-path NULL pointer deref
libxfs: clean up _calc_dquots_per_chunk
h8300: fix syscall restarting
drm/dp/mst: Clear port->pdt when tearing down the i2c adapter
i2c: core: fix NULL pointer dereference under race condition
i2c: xgene: Avoid dma_buffer overrun
arm64:cpufeature ARM64_NCAPS is the indicator of last feature
arm64: hibernate: Refuse to hibernate if the boot cpu is offline
PM / sleep: Add support for read-only sysfs attributes
arm64: kernel: Add support for hibernate/suspend-to-disk
arm64: mm: add functions to walk page tables by PA
arm64: mm: move pte_* macros
PM / Hibernate: Call flush_icache_range() on pages restored in-place
arm64: Add new asm macro copy_page
arm64: Promote KERNEL_START/KERNEL_END definitions to a header file
arm64: kernel: Include _AC definition in page.h
arm64: Change cpu_resume() to enable mmu early then access sleep_sp by va
arm64: kernel: Rework finisher callback out of __cpu_suspend_enter()
arm64: Cleanup SCTLR flags
arm64: Fold proc-macros.S into assembler.h
arm/arm64: KVM: Add hook for C-based stage2 init
arm/arm64: KVM: Detect vGIC presence at runtime
arm64: KVM: Add support for 16-bit VMID
arm: KVM: Make kvm_arm.h friendly to assembly code
arm/arm64: KVM: Remove unreferenced S2_PGD_ORDER
arm64: KVM: debug: Remove spurious inline attributes
ARM: KVM: Cleanup exception injection
arm64: KVM: Remove weak attributes
arm64: KVM: Cleanup asm-offset.c
arm64: KVM: Turn system register numbers to an enum
arm64: KVM: VHE: Patch out use of HVC
arm64: Add ARM64_HAS_VIRT_HOST_EXTN feature
arm/arm64: Add new is_kernel_in_hyp_mode predicate
arm64: KVM: Move away from the assembly version of the world switch
arm64: KVM: Map the kernel RO section into HYP
arm64: KVM: Add compatibility aliases
arm64: KVM: Implement vgic-v3 save/restore
arm64: KVM: Add panic handling
arm64: KVM: HYP mode entry points
arm64: KVM: Implement TLB handling
arm64: KVM: Implement fpsimd save/restore
arm64: KVM: Implement the core world switch
arm64: KVM: Add patchable function selector
arm64: KVM: Implement guest entry
arm64: KVM: Implement debug save/restore
arm64: KVM: Implement 32bit system register save/restore
arm64: KVM: Implement system register save/restore
arm64: KVM: Implement timer save/restore
arm64: KVM: Implement vgic-v2 save/restore
arm64: KVM: Add a HYP-specific header file
KVM: arm/arm64: vgic-v3: Make the LR indexing macro public
arm64: Add macros to read/write system registers
Linux 4.4.30
Revert "fix minor infoleak in get_user_ex()"
Revert "x86/mm: Expand the exception table logic to allow new handling options"
Linux 4.4.29
ARM: pxa: pxa_cplds: fix interrupt handling
powerpc/nvram: Fix an incorrect partition merge
mpt3sas: Don't spam logs if logging level is 0
perf symbols: Fixup symbol sizes before picking best ones
perf symbols: Check symbol_conf.allow_aliases for kallsyms loading too
perf hists browser: Fix event group display
clk: divider: Fix clk_divider_round_rate() to use clk_readl()
clk: qoriq: fix a register offset error
s390/con3270: fix insufficient space padding
s390/con3270: fix use of uninitialised data
s390/cio: fix accidental interrupt enabling during resume
x86/mm: Expand the exception table logic to allow new handling options
dmaengine: ipu: remove bogus NO_IRQ reference
power: bq24257: Fix use of uninitialized pointer bq->charger
staging: r8188eu: Fix scheduling while atomic splat
ASoC: dapm: Fix kcontrol creation for output driver widget
ASoC: dapm: Fix value setting for _ENUM_DOUBLE MUX's second channel
ASoC: dapm: Fix possible uninitialized variable in snd_soc_dapm_get_volsw()
ASoC: topology: Fix error return code in soc_tplg_dapm_widget_create()
hwrng: omap - Only fail if pm_runtime_get_sync returns < 0
crypto: arm/ghash-ce - add missing async import/export
crypto: gcm - Fix IV buffer size in crypto_gcm_setkey
mwifiex: correct aid value during tdls setup
spi: spi-fsl-dspi: Drop extra spi_master_put in device remove function
ARM: clk-imx35: fix name for ckil clk
uio: fix dmem_region_start computation
genirq/generic_chip: Add irq_unmap callback
perf stat: Fix interval output values
powerpc/eeh: Null check uses of eeh_pe_bus_get
tunnels: Remove encapsulation offloads on decap.
tunnels: Don't apply GRO to multiple layers of encapsulation.
ipip: Properly mark ipip GRO packets as encapsulated.
posix_acl: Clear SGID bit when setting file permissions
brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap()
mm/hugetlb: fix memory offline with hugepage size > memory block size
drm/i915: Unalias obj->phys_handle and obj->userptr
drm/i915: Account for TSEG size when determining 865G stolen base
Revert "drm/i915: Check live status before reading edid"
drm/i915/gen9: fix the WaWmMemoryReadLatency implementation
xenbus: don't look up transaction IDs for ordinary writes
drm/vmwgfx: Limit the user-space command buffer size
drm/radeon: change vblank_time's calculation method to reduce computational error.
drm/radeon/si/dpm: fix phase shedding setup
drm/radeon: narrow asic_init for virtualization
drm/amdgpu: change vblank_time's calculation method to reduce computational error.
drm/amdgpu/dce11: add missing drm_mode_config_cleanup call
drm/amdgpu/dce11: disable hpd on local panels
drm/amdgpu/dce8: disable hpd on local panels
drm/amdgpu/dce10: disable hpd on local panels
drm/amdgpu: fix IB alignment for UVD
drm/prime: Pass the right module owner through to dma_buf_export()
Linux 4.4.28
target: Don't override EXTENDED_COPY xcopy_pt_cmd SCSI status code
target: Make EXTENDED_COPY 0xe4 failure return COPY TARGET DEVICE NOT REACHABLE
target: Re-add missing SCF_ACK_KREF assignment in v4.1.y
ubifs: Fix xattr_names length in exit paths
jbd2: fix incorrect unlock on j_list_lock
ext4: do not advertise encryption support when disabled
mmc: rtsx_usb_sdmmc: Handle runtime PM while changing the led
mmc: rtsx_usb_sdmmc: Avoid keeping the device runtime resumed when unused
mmc: core: Annotate cmd_hdr as __le32
powerpc/mm: Prevent unlikely crash in copro_calculate_slb()
ceph: fix error handling in ceph_read_iter
arm64: kernel: Init MDCR_EL2 even in the absence of a PMU
arm64: percpu: rewrite ll/sc loops in assembly
memstick: rtsx_usb_ms: Manage runtime PM when accessing the device
memstick: rtsx_usb_ms: Runtime resume the device when polling for cards
isofs: Do not return EACCES for unknown filesystems
irqchip/gic-v3-its: Fix entry size mask for GITS_BASER
s390/mm: fix gmap tlb flush issues
Using BUG_ON() as an assert() is _never_ acceptable
mm: filemap: fix mapping->nrpages double accounting in fuse
mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()
acpi, nfit: check for the correct event code in notifications
net/mlx4_core: Allow resetting VF admin mac to zero
bnx2x: Prevent false warning for lack of FC NPIV
PKCS#7: Don't require SpcSpOpusInfo in Authenticode pkcs7 signatures
hpsa: correct skipping masked peripherals
sd: Fix rw_max for devices that report an optimal xfer size
irqchip/gicv3: Handle loop timeout proper
kvm: x86: memset whole irq_eoi
x86/e820: Don't merge consecutive E820_PRAM ranges
blkcg: Unlock blkcg_pol_mutex only once when cpd == NULL
Fix regression which breaks DFS mounting
Cleanup missing frees on some ioctls
Do not send SMB3 SET_INFO request if nothing is changing
SMB3: GUIDs should be constructed as random but valid uuids
Set previous session id correctly on SMB3 reconnect
Display number of credits available
Clarify locking of cifs file and tcon structures and make more granular
fs/cifs: keep guid when assigning fid to fileinfo
cifs: Limit the overall credit acquired
fs/super.c: fix race between freeze_super() and thaw_super()
arc: don't leak bits of kernel stack into coredump
lightnvm: ensure that nvm_dev_ops can be used without CONFIG_NVM
ipc/sem.c: fix complex_count vs. simple op race
mm: filemap: don't plant shadow entries without radix tree node
metag: Only define atomic_dec_if_positive conditionally
scsi: Fix use-after-free
NFSv4.2: Fix a reference leak in nfs42_proc_layoutstats_generic
NFSv4: Open state recovery must account for file permission changes
NFSv4: nfs4_copy_delegation_stateid() must fail if the delegation is invalid
NFSv4: Don't report revoked delegations as valid in nfs_have_delegation()
sunrpc: fix write space race causing stalls
Input: elantech - add Fujitsu Lifebook E556 to force crc_enabled
Input: elantech - force needed quirks on Fujitsu H760
Input: i8042 - skip selftest on ASUS laptops
lib: add "on"/"off" support to kstrtobool
lib: update single-char callers of strtobool()
lib: move strtobool() to kstrtobool()
MIPS: ptrace: Fix regs_return_value for kernel context
MIPS: Fix -mabi=64 build of vdso.lds
ALSA: hda - Fix a failure of micmute led when having multi adcs
cx231xx: fix GPIOs for Pixelview SBTVD hybrid
cx231xx: don't return error on success
mb86a20s: fix demod settings
mb86a20s: fix the locking logic
ovl: copy_up_xattr(): use strnlen
ovl: Fix info leak in ovl_lookup_temp()
fbdev/efifb: Fix 16 color palette entry calculation
scsi: zfcp: spin_lock_irqsave() is not nestable
zfcp: trace full payload of all SAN records (req,resp,iels)
zfcp: fix payload trace length for SAN request&response
zfcp: fix D_ID field with actual value on tracing SAN responses
zfcp: restore tracing of handle for port and LUN with HBA records
zfcp: trace on request for open and close of WKA port
zfcp: restore: Dont use 0 to indicate invalid LUN in rec trace
zfcp: retain trace level for SCSI and HBA FSF response records
zfcp: close window with unblocked rport during rport gone
zfcp: fix ELS/GS request&response length for hardware data router
zfcp: fix fc_host port_type with NPIV
ubi: Deal with interrupted erasures in WL
powerpc/pseries: Fix stack corruption in htpe code
powerpc/64: Fix incorrect return value from __copy_tofrom_user
powerpc/powernv: Use CPU-endian PEST in pnv_pci_dump_p7ioc_diag_data()
powerpc/powernv: Use CPU-endian hub diag-data type in pnv_eeh_get_and_dump_hub_diag()
powerpc/powernv: Pass CPU-endian PE number to opal_pci_eeh_freeze_clear()
powerpc/vdso64: Use double word compare on pointers
dm crypt: fix crash on exit
dm mpath: check if path's request_queue is dying in activate_path()
dm: return correct error code in dm_resume()'s retry loop
dm: mark request_queue dead before destroying the DM device
perf intel-pt: Fix MTC timestamp calculation for large MTC periods
perf intel-pt: Fix estimated timestamps for cycle-accurate mode
perf intel-pt: Fix snapshot overlap detection decoder errors
pstore/ram: Use memcpy_fromio() to save old buffer
pstore/ram: Use memcpy_toio instead of memcpy
pstore/core: drop cmpxchg based updates
pstore/ramoops: fixup driver removal
parisc: Increase initial kernel mapping size
parisc: Fix kernel memory layout regarding position of __gp
parisc: Increase KERNEL_INITIAL_SIZE for 32-bit SMP kernels
cpufreq: intel_pstate: Fix unsafe HWP MSR access
platform: don't return 0 from platform_get_irq[_byname]() on error
PCI: Mark Atheros AR9580 to avoid bus reset
mmc: sdhci: cast unsigned int to unsigned long long to avoid unexpeted error
mmc: block: don't use CMD23 with very old MMC cards
rtlwifi: Fix missing country code for Great Britain
PM / devfreq: event: remove duplicate devfreq_event_get_drvdata()
clk: imx6: initialize GPU clocks
regulator: tps65910: Work around silicon erratum SWCZ010
mei: me: add kaby point device ids
gpio: mpc8xxx: Correct irq handler function
cgroup: Change from CAP_SYS_NICE to CAP_SYS_RESOURCE for cgroup migration permissions
UPSTREAM: cpu/hotplug: Handle unbalanced hotplug enable/disable
UPSTREAM: arm64: kaslr: fix breakage with CONFIG_MODVERSIONS=y
UPSTREAM: arm64: kaslr: keep modules close to the kernel when DYNAMIC_FTRACE=y
cgroup: Remove leftover instances of allow_attach
BACKPORT: lib: harden strncpy_from_user
CHROMIUM: cgroups: relax permissions on moving tasks between cgroups
CHROMIUM: remove Android's cgroup generic permissions checks
Linux 4.4.27
cfq: fix starvation of asynchronous writes
vfs: move permission checking into notify_change() for utimes(NULL)
dlm: free workqueues after the connections
crypto: vmx - Fix memory corruption caused by p8_ghash
crypto: ghash-generic - move common definitions to a new header file
ext4: release bh in make_indexed_dir
ext4: allow DAX writeback for hole punch
ext4: fix memory leak in ext4_insert_range()
ext4: reinforce check of i_dtime when clearing high fields of uid and gid
ext4: enforce online defrag restriction for encrypted files
scsi: ibmvfc: Fix I/O hang when port is not mapped
scsi: arcmsr: Simplify user_len checking
scsi: arcmsr: Buffer overflow in arcmsr_iop_message_xfer()
async_pq_val: fix DMA memory leak
reiserfs: switch to generic_{get,set,remove}xattr()
reiserfs: Unlock superblock before calling reiserfs_quota_on_mount()
ASoC: Intel: Atom: add a missing star in a memcpy call
brcmfmac: fix memory leak in brcmf_fill_bss_param
i40e: avoid NULL pointer dereference and recursive errors on early PCI error
fuse: fix killing s[ug]id in setattr
fuse: invalidate dir dentry after chmod
fuse: listxattr: verify xattr list
drivers: base: dma-mapping: page align the size when unmap_kernel_range
btrfs: assign error values to the correct bio structs
serial: 8250_dw: Check the data->pclk when get apb_pclk
arm64: Use PoU cache instr for I/D coherency
arm64: mm: add code to safely replace TTBR1_EL1
arm64: mm: place __cpu_setup in .text
arm64: add function to install the idmap
arm64: unmap idmap earlier
arm64: unify idmap removal
arm64: mm: place empty_zero_page in bss
arm64: head.S: use memset to clear BSS
arm64: mm: specialise pagetable allocators
arm64: mm: remove pointless PAGE_MASKing
asm-generic: Fix local variable shadow in __set_fixmap_offset
arm64: mm: fold alternatives into .init
ARM: 8511/1: ARM64: kernel: PSCI: move PSCI idle management code to drivers/firmware
ARM: 8481/2: drivers: psci: replace psci firmware calls
ARM: 8480/2: arm64: add implementation for arm-smccc
ARM: 8479/2: add implementation for arm-smccc
ARM: 8478/2: arm/arm64: add arm-smccc
ARM: 8510/1: rework ARM_CPU_SUSPEND dependencies
ARM: 8458/1: bL_switcher: add GIC dependency
Linux 4.4.26
mm: remove gup_flags FOLL_WRITE games from __get_user_pages()
x86/build: Build compressed x86 kernels as PIE
arm64: Remove stack duplicating code from jprobes
arm64: kprobes: Add KASAN instrumentation around stack accesses
arm64: kprobes: Cleanup jprobe_return
arm64: kprobes: Fix overflow when saving stack
arm64: kprobes: WARN if attempting to step with PSTATE.D=1
kprobes: Add arm64 case in kprobe example module
arm64: Add kernel return probes support (kretprobes)
arm64: Add trampoline code for kretprobes
arm64: kprobes instruction simulation support
arm64: Treat all entry code as non-kprobe-able
arm64: Blacklist non-kprobe-able symbol
arm64: Kprobes with single stepping support
arm64: add conditional instruction simulation support
arm64: Add more test functions to insn.c
arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature
Linux 4.4.25
tpm_crb: fix crb_req_canceled behavior
tpm: fix a race condition in tpm2_unseal_trusted()
ima: use file_dentry()
ARM: cpuidle: Fix error return code
ARM: dts: MSM8064 remove flags from SPMI/MPP IRQs
ARM: dts: mvebu: armada-390: add missing compatibility string and bracket
x86/dumpstack: Fix x86_32 kernel_stack_pointer() previous stack access
x86/irq: Prevent force migration of irqs which are not in the vector domain
x86/boot: Fix kdump, cleanup aborted E820_PRAM max_pfn manipulation
KVM: PPC: BookE: Fix a sanity check
KVM: MIPS: Drop other CPU ASIDs on guest MMU changes
KVM: PPC: Book3s PR: Allow access to unprivileged MMCR2 register
mfd: wm8350-i2c: Make sure the i2c regmap functions are compiled
mfd: 88pm80x: Double shifting bug in suspend/resume
mfd: atmel-hlcdc: Do not sleep in atomic context
mfd: rtsx_usb: Avoid setting ucr->current_sg.status
ALSA: usb-line6: use the same declaration as definition in header for MIDI manufacturer ID
ALSA: usb-audio: Extend DragonFly dB scale quirk to cover other variants
ALSA: ali5451: Fix out-of-bound position reporting
timekeeping: Fix __ktime_get_fast_ns() regression
time: Add cycles to nanoseconds translation
mm: Fix build for hardened usercopy
ANDROID: binder: Clear binder and cookie when setting handle in flat binder struct
ANDROID: binder: Add strong ref checks
UPSTREAM: staging/android/ion : fix a race condition in the ion driver
ANDROID: android-base: CONFIG_HARDENED_USERCOPY=y
UPSTREAM: fs/proc/kcore.c: Add bounce buffer for ktext data
UPSTREAM: fs/proc/kcore.c: Make bounce buffer global for read
BACKPORT: arm64: Correctly bounds check virt_addr_valid
Fix a build breakage in IO latency hist code.
UPSTREAM: efi: include asm/early_ioremap.h not asm/efi.h to get early_memremap
UPSTREAM: ia64: split off early_ioremap() declarations into asm/early_ioremap.h
FROMLIST: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN
FROMLIST: arm64: xen: Enable user access before a privcmd hvc call
FROMLIST: arm64: Handle faults caused by inadvertent user access with PAN enabled
FROMLIST: arm64: Disable TTBR0_EL1 during normal kernel execution
FROMLIST: arm64: Introduce uaccess_{disable,enable} functionality based on TTBR0_EL1
FROMLIST: arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro
FROMLIST: arm64: Factor out PAN enabling/disabling into separate uaccess_* macros
UPSTREAM: arm64: Handle el1 synchronous instruction aborts cleanly
UPSTREAM: arm64: include alternative handling in dcache_by_line_op
UPSTREAM: arm64: fix "dc cvau" cache operation on errata-affected core
UPSTREAM: Revert "arm64: alternatives: add enable parameter to conditional asm macros"
UPSTREAM: arm64: Add new asm macro copy_page
UPSTREAM: arm64: kill ESR_LNX_EXEC
UPSTREAM: arm64: add macro to extract ESR_ELx.EC
UPSTREAM: arm64: mm: mark fault_info table const
UPSTREAM: arm64: fix dump_instr when PAN and UAO are in use
BACKPORT: arm64: Fold proc-macros.S into assembler.h
UPSTREAM: arm64: choose memstart_addr based on minimum sparsemem section alignment
UPSTREAM: arm64/mm: ensure memstart_addr remains sufficiently aligned
UPSTREAM: arm64/kernel: fix incorrect EL0 check in inv_entry macro
UPSTREAM: arm64: Add macros to read/write system registers
UPSTREAM: arm64/efi: refactor EFI init and runtime code for reuse by 32-bit ARM
UPSTREAM: arm64/efi: split off EFI init and runtime code for reuse by 32-bit ARM
UPSTREAM: arm64/efi: mark UEFI reserved regions as MEMBLOCK_NOMAP
BACKPORT: arm64: only consider memblocks with NOMAP cleared for linear mapping
UPSTREAM: mm/memblock: add MEMBLOCK_NOMAP attribute to memblock memory table
ANDROID: dm: android-verity: Remove fec_header location constraint
BACKPORT: audit: consistently record PIDs with task_tgid_nr()
android-base.cfg: Enable kernel ASLR
UPSTREAM: vmlinux.lds.h: allow arch specific handling of ro_after_init data section
UPSTREAM: arm64: spinlock: fix spin_unlock_wait for LSE atomics
UPSTREAM: arm64: avoid TLB conflict with CONFIG_RANDOMIZE_BASE
UPSTREAM: arm64: Only select ARM64_MODULE_PLTS if MODULES=y
sched: Add Kconfig option DEFAULT_USE_ENERGY_AWARE to set ENERGY_AWARE feature flag
sched/fair: remove printk while schedule is in progress
ANDROID: fs: FS tracepoints to track IO.
sched/walt: Drop arch-specific timer access
ANDROID: fiq_debugger: Pass task parameter to unwind_frame()
eas/sched/fair: Fixing comments in find_best_target.
input: keyreset: switch to orderly_reboot
UPSTREAM: tun: fix transmit timestamp support
UPSTREAM: arch/arm/include/asm/pgtable-3level.h: add pmd_mkclean for THP
net: inet: diag: expose the socket mark to privileged processes.
net: diag: make udp_diag_destroy work for mapped addresses.
net: diag: support SOCK_DESTROY for UDP sockets
net: diag: allow socket bytecode filters to match socket marks
net: diag: slightly refactor the inet_diag_bc_audit error checks.
net: diag: Add support to filter on device index
UPSTREAM: brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap()
Linux 4.4.24
ALSA: hda - Add the top speaker pin config for HP Spectre x360
ALSA: hda - Fix headset mic detection problem for several Dell laptops
ACPICA: acpi_get_sleep_type_data: Reduce warnings
ALSA: hda - Adding one more ALC255 pin definition for headset problem
Revert "usbtmc: convert to devm_kzalloc"
USB: serial: cp210x: Add ID for a Juniper console
Staging: fbtft: Fix bug in fbtft-core
usb: misc: legousbtower: Fix NULL pointer deference
USB: serial: cp210x: fix hardware flow-control disable
dm log writes: fix bug with too large bios
clk: xgene: Add missing parenthesis when clearing divider value
aio: mark AIO pseudo-fs noexec
batman-adv: remove unused callback from batadv_algo_ops struct
IB/mlx4: Use correct subnet-prefix in QP1 mads under SR-IOV
IB/mlx4: Fix code indentation in QP1 MAD flow
IB/mlx4: Fix incorrect MC join state bit-masking on SR-IOV
IB/ipoib: Don't allow MC joins during light MC flush
IB/core: Fix use after free in send_leave function
IB/ipoib: Fix memory corruption in ipoib cm mode connect flow
KVM: nVMX: postpone VMCS changes on MSR_IA32_APICBASE write
dmaengine: at_xdmac: fix to pass correct device identity to free_irq()
kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd
ASoC: omap-mcpdm: Fix irq resource handling
sysctl: handle error writing UINT_MAX to u32 fields
powerpc/prom: Fix sub-processor option passed to ibm, client-architecture-support
brcmsmac: Initialize power in brcms_c_stf_ss_algo_channel_get()
brcmsmac: Free packet if dma_mapping_error() fails in dma_rxfill
brcmfmac: Fix glob_skb leak in brcmf_sdiod_recv_chain
ASoC: Intel: Skylake: Fix error return code in skl_probe()
pNFS/flexfiles: Fix layoutcommit after a commit to DS
pNFS/files: Fix layoutcommit after a commit to DS
NFS: Don't drop CB requests with invalid principals
svc: Avoid garbage replies when pc_func() returns rpc_drop_reply
dmaengine: at_xdmac: fix debug string
fnic: pci_dma_mapping_error() doesn't return an error code
avr32: off by one in at32_init_pio()
ath9k: Fix programming of minCCA power threshold
gspca: avoid unused variable warnings
em28xx-i2c: rt_mutex_trylock() returns zero on failure
NFC: fdp: Detect errors from fdp_nci_create_conn()
iwlmvm: mvm: set correct state in smart-fifo configuration
tile: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
pstore: drop file opened reference count
blk-mq: actually hook up defer list when running requests
hwrng: omap - Fix assumption that runtime_get_sync will always succeed
ARM: sa1111: fix pcmcia suspend/resume
ARM: shmobile: fix regulator quirk for Gen2
ARM: sa1100: clear reset status prior to reboot
ARM: sa1100: fix 3.6864MHz clock
ARM: sa1100: register clocks early
ARM: sun5i: Fix typo in trip point temperature
regulator: qcom_smd: Fix voltage ranges for pm8x41
regulator: qcom_spmi: Update mvs1/mvs2 switches on pm8941
regulator: qcom_spmi: Add support for get_mode/set_mode on switches
regulator: qcom_spmi: Add support for S4 supply on pm8941
tpm: fix byte-order for the value read by tpm2_get_tpm_pt
printk: fix parsing of "brl=" option
MIPS: uprobes: fix use of uninitialised variable
MIPS: Malta: Fix IOCU disable switch read for MIPS64
MIPS: fix uretprobe implementation
MIPS: uprobes: remove incorrect set_orig_insn
arm64: debug: avoid resetting stepping state machine when TIF_SINGLESTEP
ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7
irqchip/gicv3: Silence noisy DEBUG_PER_CPU_MAPS warning
gpio: sa1100: fix irq probing for ucb1x00
usb: gadget: fsl_qe_udc: signedness bug in qe_get_frame()
ceph: fix race during filling readdir cache
iwlwifi: mvm: don't use ret when not initialised
iwlwifi: pcie: fix access to scratch buffer
spi: sh-msiof: Avoid invalid clock generator parameters
hwmon: (adt7411) set bit 3 in CFG1 register
nvmem: Declare nvmem_cell_read() consistently
ipvs: fix bind to link-local mcast IPv6 address in backup
tools/vm/slabinfo: fix an unintentional printf
mmc: pxamci: fix potential oops
drivers/perf: arm_pmu: Fix leak in error path
pinctrl: Flag strict is a field in struct pinmux_ops
pinctrl: uniphier: fix .pin_dbg_show() callback
i40e: avoid null pointer dereference
perf/core: Fix pmu::filter_match for SW-led groups
iwlwifi: mvm: fix a few firmware capability checks
usb: musb: fix DMA for host mode
usb: musb: Fix DMA desired mode for Mentor DMA engine
ARM: 8617/1: dma: fix dma_max_pfn()
ARM: 8616/1: dt: Respect property size when parsing CPUs
drm/radeon/si/dpm: add workaround for for Jet parts
drm/nouveau/fifo/nv04: avoid ramht race against cookie insertion
x86/boot: Initialize FPU and X86_FEATURE_ALWAYS even if we don't have CPUID
x86/init: Fix cr4_init_shadow() on CR4-less machines
can: dev: fix deadlock reported after bus-off
mm,ksm: fix endless looping in allocating memory when ksm enable
mtd: nand: davinci: Reinitialize the HW ECC engine in 4bit hwctl
cpuset: handle race between CPU hotplug and cpuset_hotplug_work
usercopy: fold builtin_const check into inline function
Linux 4.4.23
hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()
qxl: check for kmap failures
power: supply: max17042_battery: fix model download bug.
power_supply: tps65217-charger: fix missing platform_set_drvdata()
PM / hibernate: Fix rtree_next_node() to avoid walking off list ends
PM / hibernate: Restore processor state before using per-CPU variables
MIPS: paravirt: Fix undefined reference to smp_bootstrap
MIPS: Add a missing ".set pop" in an early commit
MIPS: Avoid a BUG warning during prctl(PR_SET_FP_MODE, ...)
MIPS: Remove compact branch policy Kconfig entries
MIPS: vDSO: Fix Malta EVA mapping to vDSO page structs
MIPS: SMP: Fix possibility of deadlock when bringing CPUs online
MIPS: Fix pre-r6 emulation FPU initialisation
i2c: qup: skip qup_i2c_suspend if the device is already runtime suspended
i2c-eg20t: fix race between i2c init and interrupt enable
btrfs: ensure that file descriptor used with subvol ioctls is a dir
nl80211: validate number of probe response CSA counters
can: flexcan: fix resume function
mm: delete unnecessary and unsafe init_tlb_ubc()
tracing: Move mutex to protect against resetting of seq data
fix memory leaks in tracing_buffers_splice_read()
power: reset: hisi-reboot: Unmap region obtained by of_iomap
mtd: pmcmsp-flash: Allocating too much in init_msp_flash()
mtd: maps: sa1100-flash: potential NULL dereference
fix fault_in_multipages_...() on architectures with no-op access_ok()
fanotify: fix list corruption in fanotify_get_response()
fsnotify: add a way to stop queueing events on group shutdown
xfs: prevent dropping ioend completions during buftarg wait
autofs: use dentry flags to block walks during expire
autofs races
pwm: Mark all devices as "might sleep"
bridge: re-introduce 'fix parsing of MLDv2 reports'
net: smc91x: fix SMC accesses
Revert "phy: IRQ cannot be shared"
net: dsa: bcm_sf2: Fix race condition while unmasking interrupts
net/mlx5: Added missing check of msg length in verifying its signature
tipc: fix NULL pointer dereference in shutdown()
net/irda: handle iriap_register_lsap() allocation failure
vti: flush x-netns xfrm cache when vti interface is removed
af_unix: split 'u->readlock' into two: 'iolock' and 'bindlock'
Revert "af_unix: Fix splice-bind deadlock"
bonding: Fix bonding crash
megaraid: fix null pointer check in megasas_detach_one().
nouveau: fix nv40_perfctr_next() cleanup regression
Staging: iio: adc: fix indent on break statement
iwlegacy: avoid warning about missing braces
ath9k: fix misleading indentation
am437x-vfpe: fix typo in vpfe_get_app_input_index
Add braces to avoid "ambiguous ‘else’" compiler warnings
net: caif: fix misleading indentation
Makefile: Mute warning for __builtin_return_address(>0) for tracing only
Disable "frame-address" warning
Disable "maybe-uninitialized" warning globally
gcov: disable -Wmaybe-uninitialized warning
Kbuild: disable 'maybe-uninitialized' warning for CONFIG_PROFILE_ALL_BRANCHES
kbuild: forbid kernel directory to contain spaces and colons
tools: Support relative directory path for 'O='
Makefile: revert "Makefile: Document ability to make file.lst and file.S" partially
kbuild: Do not run modules_install and install in paralel
ocfs2: fix start offset to ocfs2_zero_range_for_truncate()
ocfs2/dlm: fix race between convert and migration
crypto: echainiv - Replace chaining with multiplication
crypto: skcipher - Fix blkcipher walk OOM crash
crypto: arm/aes-ctr - fix NULL dereference in tail processing
crypto: arm64/aes-ctr - fix NULL dereference in tail processing
tcp: properly scale window in tcp_v[46]_reqsk_send_ack()
tcp: fix use after free in tcp_xmit_retransmit_queue()
tcp: cwnd does not increase in TCP YeAH
ipv6: release dst in ping_v6_sendmsg
ipv4: panic in leaf_walk_rcu due to stale node pointer
reiserfs: fix "new_insert_key may be used uninitialized ..."
Fix build warning in kernel/cpuset.c
include/linux/kernel.h: change abs() macro so it uses consistent return type
Linux 4.4.22
openrisc: fix the fix of copy_from_user()
avr32: fix 'undefined reference to `___copy_from_user'
ia64: copy_from_user() should zero the destination on access_ok() failure
genirq/msi: Fix broken debug output
ppc32: fix copy_from_user()
sparc32: fix copy_from_user()
mn10300: copy_from_user() should zero on access_ok() failure...
nios2: copy_from_user() should zero the tail of destination
openrisc: fix copy_from_user()
parisc: fix copy_from_user()
metag: copy_from_user() should zero the destination on access_ok() failure
alpha: fix copy_from_user()
asm-generic: make copy_from_user() zero the destination properly
mips: copy_from_user() must zero the destination on access_ok() failure
hexagon: fix strncpy_from_user() error return
sh: fix copy_from_user()
score: fix copy_from_user() and friends
blackfin: fix copy_from_user()
cris: buggered copy_from_user/copy_to_user/clear_user
frv: fix clear_user()
asm-generic: make get_user() clear the destination on errors
ARC: uaccess: get_user to zero out dest in cause of fault
s390: get_user() should zero on failure
score: fix __get_user/get_user
nios2: fix __get_user()
sh64: failing __get_user() should zero
m32r: fix __get_user()
mn10300: failing __get_user() and get_user() should zero
fix minor infoleak in get_user_ex()
microblaze: fix copy_from_user()
avr32: fix copy_from_user()
microblaze: fix __get_user()
fix iov_iter_fault_in_readable()
irqchip/atmel-aic: Fix potential deadlock in ->xlate()
genirq: Provide irq_gc_{lock_irqsave,unlock_irqrestore}() helpers
drm: Only use compat ioctl for addfb2 on X86/IA64
drm: atmel-hlcdc: Fix vertical scaling
net: simplify napi_synchronize() to avoid warnings
kconfig: tinyconfig: provide whole choice blocks to avoid warnings
soc: qcom/spm: shut up uninitialized variable warning
pinctrl: at91-pio4: use %pr format string for resource
mmc: dw_mmc: use resource_size_t to store physical address
drm/i915: Avoid pointer arithmetic in calculating plane surface offset
mpssd: fix buffer overflow warning
gma500: remove annoying deprecation warning
ipv6: addrconf: fix dev refcont leak when DAD failed
sched/core: Fix a race between try_to_wake_up() and a woken up task
Revert "wext: Fix 32 bit iwpriv compatibility issue with 64 bit Kernel"
ath9k: fix using sta->drv_priv before initializing it
md-cluster: make md-cluster also can work when compiled into kernel
xhci: fix null pointer dereference in stop command timeout function
fuse: direct-io: don't dirty ITER_BVEC pages
Btrfs: remove root_log_ctx from ctx list before btrfs_sync_log returns
crypto: cryptd - initialize child shash_desc on import
arm64: spinlocks: implement smp_mb__before_spinlock() as smp_mb()
pinctrl: sunxi: fix uart1 CTS/RTS pins at PG on A23/A33
pinctrl: pistachio: fix mfio pll_lock pinmux
dm crypt: fix error with too large bios
dm log writes: move IO accounting earlier to fix error path
dm log writes: fix check of kthread_run() return value
bus: arm-ccn: Fix XP watchpoint settings bitmask
bus: arm-ccn: Do not attempt to configure XPs for cycle counter
bus: arm-ccn: Fix PMU handling of MN
ARM: dts: STiH407-family: Provide interconnect clock for consumption in ST SDHCI
ARM: dts: overo: fix gpmc nand on boards with ethernet
ARM: dts: overo: fix gpmc nand cs0 range
ARM: dts: imx6qdl: Fix SPDIF regression
ARM: OMAP3: hwmod data: Add sysc information for DSI
ARM: kirkwood: ib62x0: fix size of u-boot environment partition
ARM: imx6: add missing BM_CLPCR_BYPASS_PMIC_READY setting for imx6sx
ARM: imx6: add missing BM_CLPCR_BYP_MMDC_CH0_LPM_HS setting for imx6ul
ARM: AM43XX: hwmod: Fix RSTST register offset for pruss
cpuset: make sure new tasks conform to the current config of the cpuset
net: thunderx: Fix OOPs with ethtool --register-dump
USB: change bInterval default to 10 ms
ARM: dts: STiH410: Handle interconnect clock required by EHCI/OHCI (USB)
usb: chipidea: udc: fix NULL ptr dereference in isr_setup_status_phase
usb: renesas_usbhs: fix clearing the {BRDY,BEMP}STS condition
USB: serial: simple: add support for another Infineon flashloader
serial: 8250: added acces i/o products quad and octal serial cards
serial: 8250_mid: fix divide error bug if baud rate is 0
iio: ensure ret is initialized to zero before entering do loop
iio:core: fix IIO_VAL_FRACTIONAL sign handling
iio: accel: kxsd9: Fix scaling bug
iio: fix pressure data output unit in hid-sensor-attributes
iio: accel: bmc150: reset chip at init time
iio: adc: at91: unbreak channel adc channel 3
iio: ad799x: Fix buffered capture for ad7991/ad7995/ad7999
iio: adc: ti_am335x_adc: Increase timeout value waiting for ADC sample
iio: adc: ti_am335x_adc: Protect FIFO1 from concurrent access
iio: adc: rockchip_saradc: reset saradc controller before programming it
iio: proximity: as3935: set up buffer timestamps for non-zero values
iio: accel: kxsd9: Fix raw read return
kvm-arm: Unmap shadow pagetables properly
x86/AMD: Apply erratum 665 on machines without a BIOS fix
x86/paravirt: Do not trace _paravirt_ident_*() functions
ARC: mm: fix build breakage with STRICT_MM_TYPECHECKS
IB/uverbs: Fix race between uverbs_close and remove_one
dm flakey: fix reads to be issued if drop_writes configured
audit: fix exe_file access in audit_exe_compare
mm: introduce get_task_exe_file
kexec: fix double-free when failing to relocate the purgatory
NFSv4.1: Fix the CREATE_SESSION slot number accounting
pNFS: Ensure LAYOUTGET and LAYOUTRETURN are properly serialised
nfsd: Close race between nfsd4_release_lockowner and nfsd4_lock
NFSv4.x: Fix a refcount leak in nfs_callback_up_net
pNFS: The client must not do I/O to the DS if it's lease has expired
kernfs: don't depend on d_find_any_alias() when generating notifications
powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET
powerpc/powernv : Drop reference added by kset_find_obj()
powerpc/tm: do not use r13 for tabort_syscall
tipc: move linearization of buffers to generic code
lightnvm: put bio before return
fscrypto: require write access to mount to set encryption policy
Revert "KVM: x86: fix missed hardware breakpoints"
MIPS: KVM: Check for pfn noslot case
clocksource/drivers/sun4i: Clear interrupts after stopping timer in probe function
fscrypto: add authorization check for setting encryption policy
ext4: use __GFP_NOFAIL in ext4_free_blocks()
Conflicts:
arch/arm/kernel/devtree.c
arch/arm64/Kconfig
arch/arm64/kernel/arm64ksyms.c
arch/arm64/kernel/psci.c
arch/arm64/mm/fault.c
drivers/android/binder.c
drivers/usb/host/xhci-hub.c
fs/ext4/readpage.c
include/linux/mmc/core.h
include/linux/mmzone.h
mm/memcontrol.c
net/core/filter.c
net/netlink/af_netlink.c
net/netlink/af_netlink.h
Change-Id: I99fe7a0914e83e284b11b33185b71448a8999d1f
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
commit fc98c3c8c9dcafd67adcce69e6ce3191d5306c9c upstream.
Use rcuidle console tracepoint because, apparently, it may be issued
from an idle CPU:
hw-breakpoint: Failed to enable monitor mode on CPU 0.
hw-breakpoint: CPU 0 failed to disable vector catch
===============================
[ ERR: suspicious RCU usage. ]
4.10.0-rc8-next-20170215+ #119 Not tainted
-------------------------------
./include/trace/events/printk.h:32 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
RCU used illegally from idle CPU!
rcu_scheduler_active = 2, debug_locks = 0
RCU used illegally from extended quiescent state!
2 locks held by swapper/0/0:
#0: (cpu_pm_notifier_lock){......}, at: [<c0237e2c>] cpu_pm_exit+0x10/0x54
#1: (console_lock){+.+.+.}, at: [<c01ab350>] vprintk_emit+0x264/0x474
stack backtrace:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.10.0-rc8-next-20170215+ #119
Hardware name: Generic OMAP4 (Flattened Device Tree)
console_unlock
vprintk_emit
vprintk_default
printk
reset_ctrl_regs
dbg_cpu_pm_notify
notifier_call_chain
cpu_pm_exit
omap_enter_idle_coupled
cpuidle_enter_state
cpuidle_enter_state_coupled
do_idle
cpu_startup_entry
start_kernel
This RCU warning, however, is suppressed by lockdep_off() in printk().
lockdep_off() increments the ->lockdep_recursion counter and thus
disables RCU_LOCKDEP_WARN() and debug_lockdep_rcu_enabled(), which want
lockdep to be enabled "current->lockdep_recursion == 0".
Link: http://lkml.kernel.org/r/20170217015932.11898-1-sergey.senozhatsky@gmail.com
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <rmk@armlinux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit ae6c33ba6e37eea3012fe2640b22400ef3f2d0f3 upstream.
Commit bbeddf52ad ("printk: move braille console support into separate
braille.[ch] files") moved the parsing of braille-related options into
_braille_console_setup(), changing the type of variable str from char*
to char**. In this commit, memcmp(str, "brl,", 4) was correctly updated
to memcmp(*str, "brl,", 4) but not memcmp(str, "brl=", 4).
Update the code to make "brl=" option work again and replace memcmp()
with strncmp() to make the compiler able to detect such an issue.
Fixes: bbeddf52ad ("printk: move braille console support into separate braille.[ch] files")
Link: http://lkml.kernel.org/r/20160823165700.28952-1-nicolas.iooss_linux@m4x.org
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add all cpu notifiers in CONSOLE_FLUSH_ON_HOTPLUG config
flag to avoid hotplug latencies and by default config
CONSOLE_FLUSH_ON_HOTPLUG flag is disabled.
Change-Id: I389f207d8faf84cfd4267d52213e40a47a43774d
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
* lsk-44/linux-linaro-lsk-v4.4:
Linux 4.4.3
modules: fix modparam async_probe request
module: wrapper for symbol name.
itimers: Handle relative timers with CONFIG_TIME_LOW_RES proper
posix-timers: Handle relative timers with CONFIG_TIME_LOW_RES proper
timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper
prctl: take mmap sem for writing to protect against others
xfs: log mount failures don't wait for buffers to be released
Revert "xfs: clear PF_NOFREEZE for xfsaild kthread"
xfs: inode recovery readahead can race with inode buffer creation
libxfs: pack the agfl header structure so XFS_AGFL_SIZE is correct
ovl: setattr: check permissions before copy-up
ovl: root: copy attr
ovl: check dentry positiveness in ovl_cleanup_whiteouts()
ovl: use a minimal buffer in ovl_copy_xattr
ovl: allow zero size xattr
futex: Drop refcount if requeue_pi() acquired the rtmutex
devm_memremap_release(): fix memremap'd addr handling
ipc/shm: handle removed segments gracefully in shm_mmap()
intel_scu_ipcutil: underflow in scu_reg_access()
mm,thp: khugepaged: call pte flush at the time of collapse
dump_stack: avoid potential deadlocks
radix-tree: fix oops after radix_tree_iter_retry
drivers/hwspinlock: fix race between radix tree insertion and lookup
radix-tree: fix race in gang lookup
MAINTAINERS: return arch/sh to maintained state, with new maintainers
memcg: only free spare array when readers are done
numa: fix /proc/<pid>/numa_maps for hugetlbfs on s390
fs/hugetlbfs/inode.c: fix bugs in hugetlb_vmtruncate_list()
scripts/bloat-o-meter: fix python3 syntax error
dma-debug: switch check from _text to _stext
m32r: fix m32104ut_defconfig build fail
xhci: Fix list corruption in urb dequeue at host removal
Revert "xhci: don't finish a TD if we get a short-transfer event mid TD"
iommu/vt-d: Clear PPR bit to ensure we get more page request interrupts
iommu/vt-d: Fix 64-bit accesses to 32-bit DMAR_GSTS_REG
iommu/vt-d: Fix mm refcounting to hold mm_count not mm_users
iommu/amd: Correct the wrong setting of alias DTE in do_attach
iommu/vt-d: Don't skip PCI devices when disabling IOTLB
Input: vmmouse - fix absolute device registration
string_helpers: fix precision loss for some inputs
Input: i8042 - add Fujitsu Lifebook U745 to the nomux list
Input: elantech - mark protocols v2 and v3 as semi-mt
mm: fix regression in remap_file_pages() emulation
mm: replace vma_lock_anon_vma with anon_vma_lock_read/write
mm: fix mlock accouting
libnvdimm: fix namespace object confusion in is_uuid_busy()
mm: soft-offline: check return value in second __get_any_page() call
perf kvm record/report: 'unprocessable sample' error while recording/reporting guest data
KVM: PPC: Fix ONE_REG AltiVec support
KVM: PPC: Fix emulation of H_SET_DABR/X on POWER8
KVM: arm/arm64: Fix reference to uninitialised VGIC
arm64: dma-mapping: fix handling of devices registered before arch_initcall
ARM: OMAP2+: Fix ppa_zero_params and ppa_por_params for rodata
ARM: OMAP2+: Fix save_secure_ram_context for rodata
ARM: OMAP2+: Fix l2dis_3630 for rodata
ARM: OMAP2+: Fix l2_inv_api_params for rodata
ARM: OMAP2+: Fix wait_dll_lock_timed for rodata
ARM: dts: at91: sama5d4ek: add phy address and IRQ for macb0
ARM: dts: at91: sama5d4 xplained: fix phy0 IRQ type
ARM: dts: at91: sama5d4: fix instance id of DBGU
ARM: dts: at91: sama5d4 xplained: properly mux phy interrupt
ARM: dts: omap5-board-common: enable rtc and charging of backup battery
ARM: dts: Fix omap5 PMIC control lines for RTC writes
ARM: dts: Fix wl12xx missing clocks that cause hangs
ARM: nomadik: fix up SD/MMC DT settings
ARM: 8517/1: ICST: avoid arithmetic overflow in icst_hz()
ARM: 8519/1: ICST: try other dividends than 1
arm64: mm: avoid calling apply_to_page_range on empty range
ARM: mvebu: remove duplicated regulator definition in Armada 388 GP
powerpc/ioda: Set "read" permission when "write" is set
powerpc/powernv: Fix stale PE primary bus
powerpc/eeh: Fix stale cached primary bus
powerpc/eeh: Fix PE location code
SUNRPC: Fixup socket wait for memory
udf: Check output buffer length when converting name to CS0
udf: Prevent buffer overrun with multi-byte characters
udf: limit the maximum number of indirect extents in a row
pNFS/flexfiles: Fix an XDR encoding bug in layoutreturn
nfs: Fix race in __update_open_stateid()
pNFS/flexfiles: Fix an Oopsable typo in ff_mirror_match_fh()
NFS: Fix attribute cache revalidation
cifs: fix erroneous return value
cifs_dbg() outputs an uninitialized buffer in cifs_readdir()
cifs: fix race between call_async() and reconnect()
cifs: Ratelimit kernel log messages
iio: inkern: fix a NULL dereference on error
iio: pressure: mpl115: fix temperature offset sign
iio: light: acpi-als: Report data as processed
iio: dac: mcp4725: set iio name property in sysfs
iio: add IIO_TRIGGER dependency to STK8BA50
iio: add HAS_IOMEM dependency to VF610_ADC
iio-light: Use a signed return type for ltr501_match_samp_freq()
iio:adc:ti_am335x_adc Fix buffered mode by identifying as software buffer.
iio: adis_buffer: Fix out-of-bounds memory access
scsi: fix soft lockup in scsi_remove_target() on module removal
SCSI: Add Marvell Console to VPD blacklist
scsi_dh_rdac: always retry MODE SELECT on command lock violation
drivers/scsi/sg.c: mark VMA as VM_IO to prevent migration
SCSI: fix crashes in sd and sr runtime PM
iscsi-target: Fix potential dead-lock during node acl delete
scsi: add Synology to 1024 sector blacklist
klist: fix starting point removed bug in klist iterators
tracepoints: Do not trace when cpu is offline
tracing: Fix freak link error caused by branch tracer
perf tools: tracepoint_error() can receive e=NULL, robustify it
tools lib traceevent: Fix output of %llu for 64 bit values read on 32 bit machines
ptrace: use fsuid, fsgid, effective creds for fs access checks
Btrfs: fix direct IO requests not reporting IO error to user space
Btrfs: fix hang on extent buffer lock caused by the inode_paths ioctl
Btrfs: fix page reading in extent_same ioctl leading to csum errors
Btrfs: fix invalid page accesses in extent_same (dedup) ioctl
btrfs: properly set the termination value of ctx->pos in readdir
Revert "btrfs: clear PF_NOFREEZE in cleaner_kthread()"
Btrfs: fix fitrim discarding device area reserved for boot loader's use
btrfs: handle invalid num_stripes in sys_array
ext4: don't read blocks from disk after extents being swapped
ext4: fix potential integer overflow
ext4: fix scheduling in atomic on group checksum failure
serial: omap: Prevent DoS using unprivileged ioctl(TIOCSRS485)
serial: 8250_pci: Add Intel Broadwell ports
tty: Add support for PCIe WCH382 2S multi-IO card
pty: make sure super_block is still valid in final /dev/tty close
pty: fix possible use after free of tty->driver_data
staging/speakup: Use tty_ldisc_ref() for paste kworker
phy: twl4030-usb: Fix unbalanced pm_runtime_enable on module reload
phy: twl4030-usb: Relase usb phy on unload
ALSA: seq: Fix double port list deletion
ALSA: seq: Fix leak of pool buffer at concurrent writes
ALSA: pcm: Fix rwsem deadlock for non-atomic PCM stream
ALSA: hda - Cancel probe work instead of flush at remove
x86/mm: Fix vmalloc_fault() to handle large pages properly
x86/uaccess/64: Handle the caching of 4-byte nocache copies properly in __copy_user_nocache()
x86/uaccess/64: Make the __copy_user_nocache() assembly code more readable
x86/mm/pat: Avoid truncation when converting cpa->numpages to address
x86/mm: Fix types used in pgprot cacheability flags translations
Linux 4.4.2
HID: multitouch: fix input mode switching on some Elan panels
mm, vmstat: fix wrong WQ sleep when memory reclaim doesn't make any progress
zsmalloc: fix migrate_zspage-zs_free race condition
zram: don't call idr_remove() from zram_remove()
zram: try vmalloc() after kmalloc()
zram/zcomp: use GFP_NOIO to allocate streams
rtlwifi: rtl8821ae: Fix 5G failure when EEPROM is incorrectly encoded
rtlwifi: rtl8821ae: Fix errors in parameter initialization
crypto: marvell/cesa - fix test in mv_cesa_dev_dma_init()
crypto: atmel-sha - remove calls of clk_prepare() from atomic contexts
crypto: atmel-sha - fix atmel_sha_remove()
crypto: algif_skcipher - Do not set MAY_BACKLOG on the async path
crypto: algif_skcipher - Do not dereference ctx without socket lock
crypto: algif_skcipher - Do not assume that req is unchanged
crypto: user - lock crypto_alg_list on alg dump
EVM: Use crypto_memneq() for digest comparisons
crypto: algif_hash - wait for crypto_ahash_init() to complete
crypto: shash - Fix has_key setting
crypto: chacha20-ssse3 - Align stack pointer to 64 bytes
crypto: caam - make write transactions bufferable on PPC platforms
crypto: algif_skcipher - sendmsg SG marking is off by one
crypto: algif_skcipher - Load TX SG list after waiting
crypto: crc32c - Fix crc32c soft dependency
crypto: algif_skcipher - Fix race condition in skcipher_check_key
crypto: algif_hash - Fix race condition in hash_check_key
crypto: af_alg - Forbid bind(2) when nokey child sockets are present
crypto: algif_skcipher - Remove custom release parent function
crypto: algif_hash - Remove custom release parent function
crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path
ahci: Intel DNV device IDs SATA
libata: disable forced PORTS_IMPL for >= AHCI 1.3
crypto: algif_skcipher - Add key check exception for cipher_null
crypto: skcipher - Add crypto_skcipher_has_setkey
crypto: algif_hash - Require setkey before accept(2)
crypto: hash - Add crypto_ahash_has_setkey
crypto: algif_skcipher - Add nokey compatibility path
crypto: af_alg - Add nokey compatibility path
crypto: af_alg - Fix socket double-free when accept fails
crypto: af_alg - Disallow bind/setkey/... after accept(2)
crypto: algif_skcipher - Require setkey before accept(2)
sched: Fix crash in sched_init_numa()
ext4 crypto: add missing locking for keyring_key access
iommu/io-pgtable-arm: Ensure we free the final level on teardown
tty: Fix unsafe ldisc reference via ioctl(TIOCGETD)
tty: Retry failed reopen if tty teardown in-progress
tty: Wait interruptibly for tty lock on reopen
n_tty: Fix unsafe reference to "other" ldisc
usb: xhci: apply XHCI_PME_STUCK_QUIRK to Intel Broxton-M platforms
usb: xhci: handle both SSIC ports in PME stuck quirk
usb: phy: msm: fix error handling in probe.
usb: cdc-acm: send zero packet for intel 7260 modem
usb: cdc-acm: handle unlinked urb in acm read callback
USB: option: fix Cinterion AHxx enumeration
USB: serial: option: Adding support for Telit LE922
USB: cp210x: add ID for IAI USB to RS485 adaptor
USB: serial: ftdi_sio: add support for Yaesu SCU-18 cable
usb: hub: do not clear BOS field during reset device
USB: visor: fix null-deref at probe
USB: serial: visor: fix crash on detecting device without write_urbs
ASoC: rt5645: fix the shift bit of IN1 boost
saa7134-alsa: Only frees registered sound cards
ALSA: dummy: Implement timer backend switching more safely
ALSA: hda - Fix bad dereference of jack object
ALSA: hda - Fix speaker output from VAIO AiO machines
Revert "ALSA: hda - Fix noise on Gigabyte Z170X mobo"
ALSA: hda - Fix static checker warning in patch_hdmi.c
ALSA: hda - Add fixup for Mac Mini 7,1 model
ALSA: timer: Fix race between stop and interrupt
ALSA: timer: Fix wrong instance passed to slave callbacks
ALSA: timer: Fix race at concurrent reads
ALSA: timer: Fix link corruption due to double start or stop
ALSA: timer: Fix leftover link at closing
ALSA: timer: Code cleanup
ALSA: seq: Fix lockdep warnings due to double mutex locks
ALSA: seq: Fix race at closing in virmidi driver
ALSA: seq: Fix yet another races among ALSA timer accesses
ASoC: dpcm: fix the BE state on hw_free
ALSA: pcm: Fix potential deadlock in OSS emulation
ALSA: hda/realtek - Support Dell headset mode for ALC225
ALSA: hda/realtek - Support headset mode for ALC225
ALSA: hda/realtek - New codec support of ALC225
ALSA: rawmidi: Fix race at copying & updating the position
ALSA: rawmidi: Remove kernel WARNING for NULL user-space buffer check
ALSA: rawmidi: Make snd_rawmidi_transmit() race-free
ALSA: seq: Degrade the error message for too many opens
ALSA: seq: Fix incorrect sanity check at snd_seq_oss_synth_cleanup()
ALSA: dummy: Disable switching timer backend via sysfs
ALSA: compress: Disable GET_CODEC_CAPS ioctl for some architectures
ALSA: hda - disable dynamic clock gating on Broxton before reset
ALSA: Add missing dependency on CONFIG_SND_TIMER
ALSA: bebob: Use a signed return type for get_formation_index
ALSA: usb-audio: avoid freeing umidi object twice
ALSA: usb-audio: Add native DSD support for PS Audio NuWave DAC
ALSA: usb-audio: Fix OPPO HA-1 vendor ID
ALSA: usb-audio: Add quirk for Microsoft LifeCam HD-6000
ALSA: usb-audio: Fix TEAC UD-501/UD-503/NT-503 usb delay
hrtimer: Handle remaining time proper for TIME_LOW_RES
md/raid: only permit hot-add of compatible integrity profiles
media: i2c: Don't export ir-kbd-i2c module alias
parisc: Fix __ARCH_SI_PREAMBLE_SIZE
parisc: Protect huge page pte changes with spinlocks
printk: do cond_resched() between lines while outputting to consoles
tracing/stacktrace: Show entire trace if passed in function not found
tracing: Fix stacktrace skip depth in trace_buffer_unlock_commit_regs()
PCI: Fix minimum allocation address overwrite
PCI: host: Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD
mtd: nand: assign reasonable default name for NAND drivers
wlcore/wl12xx: spi: fix NULL pointer dereference (Oops)
wlcore/wl12xx: spi: fix oops on firmware load
ocfs2/dlm: clear refmap bit of recovery lock while doing local recovery cleanup
ocfs2/dlm: ignore cleaning the migration mle that is inuse
ALSA: hda - Implement loopback control switch for Realtek and other codecs
block: fix bio splitting on max sectors
base/platform: Fix platform drivers with no probe callback
HID: usbhid: fix recursive deadlock
ocfs2: NFS hangs in __ocfs2_cluster_lock due to race with ocfs2_unblock_lock
block: split bios to max possible length
NFSv4.1/pnfs: Fixup an lo->plh_block_lgets imbalance in layoutreturn
crypto: sun4i-ss - add missing statesize
Linux 4.4.1
arm64: kernel: fix architected PMU registers unconditional access
arm64: kernel: enforce pmuserenr_el0 initialization and restore
arm64: mm: ensure that the zero page is visible to the page table walker
arm64: Clear out any singlestep state on a ptrace detach operation
powerpc/module: Handle R_PPC64_ENTRY relocations
scripts/recordmcount.pl: support data in text section on powerpc
powerpc: Make {cmp}xchg* and their atomic_ versions fully ordered
powerpc: Make value-returning atomics fully ordered
powerpc/tm: Check for already reclaimed tasks
batman-adv: Drop immediate orig_node free function
batman-adv: Drop immediate batadv_hard_iface free function
batman-adv: Drop immediate neigh_ifinfo free function
batman-adv: Drop immediate batadv_neigh_node free function
batman-adv: Drop immediate batadv_orig_ifinfo free function
batman-adv: Avoid recursive call_rcu for batadv_nc_node
batman-adv: Avoid recursive call_rcu for batadv_bla_claim
team: Replace rcu_read_lock with a mutex in team_vlan_rx_kill_vid
net/mlx5_core: Fix trimming down IRQ number
bridge: fix lockdep addr_list_lock false positive splat
ipv6: update skb->csum when CE mark is propagated
net: bpf: reject invalid shifts
phonet: properly unshare skbs in phonet_rcv()
dwc_eth_qos: Fix dma address for multi-fragment skbs
bonding: Prevent IPv6 link local address on enslaved devices
net: preserve IP control block during GSO segmentation
udp: disallow UFO for sockets with SO_NO_CHECK option
net: pktgen: fix null ptr deref in skb allocation
sched,cls_flower: set key address type when present
tcp_yeah: don't set ssthresh below 2
ipv6: tcp: add rcu locking in tcp_v6_send_synack()
net: sctp: prevent writes to cookie_hmac_alg from accessing invalid memory
vxlan: fix test which detect duplicate vxlan iface
unix: properly account for FDs passed over unix sockets
xhci: refuse loading if nousb is used
usb: core: lpm: fix usb3_hardware_lpm sysfs node
USB: cp210x: add ID for ELV Marble Sound Board 1
rtlwifi: fix memory leak for USB device
ASoC: compress: Fix compress device direction check
ASoC: wm5110: Fix PGA clear when disabling DRE
ALSA: timer: Handle disconnection more safely
ALSA: hda - Flush the pending probe work at remove
ALSA: hda - Fix missing module loading with model=generic option
ALSA: hda - Fix bass pin fixup for ASUS N550JX
ALSA: control: Avoid kernel warnings from tlv ioctl with numid 0
ALSA: hrtimer: Fix stall by hrtimer_cancel()
ALSA: pcm: Fix snd_pcm_hw_params struct copy in compat mode
ALSA: seq: Fix snd_seq_call_port_info_ioctl in compat mode
ALSA: hda - Add fixup for Dell Latitidue E6540
ALSA: timer: Fix double unlink of active_list
ALSA: timer: Fix race among timer ioctls
ALSA: hda - fix the headset mic detection problem for a Dell laptop
ALSA: timer: Harden slave timer list handling
ALSA: usb-audio: Fix mixer ctl regression of Native Instrument devices
ALSA: hda - Fix white noise on Dell Latitude E5550
ALSA: seq: Fix race at timer setup and close
ALSA: usb-audio: Avoid calling usb_autopm_put_interface() at disconnect
ALSA: seq: Fix missing NULL check at remove_events ioctl
ALSA: hda - Fixup inverted internal mic for Lenovo E50-80
ALSA: usb: Add native DSD support for Oppo HA-1
x86/mm: Improve switch_mm() barrier comments
x86/mm: Add barriers and document switch_mm()-vs-flush synchronization
x86/boot: Double BOOT_HEAP_SIZE to 64KB
x86/reboot/quirks: Add iMac10,1 to pci_reboot_dmi_table[]
kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL
KVM: x86: correctly print #AC in traces
KVM: x86: expose MSR_TSC_AUX to userspace
x86/xen: don't reset vcpu_info on a cancelled suspend
KEYS: Fix keyring ref leak in join_session_keyring()
Conflicts:
arch/arm64/kernel/perf_event.c
drivers/scsi/sd.c
sound/core/compress_offload.c
Change-Id: I9f77fe42aaae249c24cd6e170202110ab1426878
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
On architectures that have support for efficient unaligned access struct
printk_log has 4-byte alignment. Specify alignment attribute in type
declaration.
The whole point of this patch is to fix deadlock which happening when
UBSAN detects unaligned access in printk() thus UBSAN recursively calls
printk() with logbuf_lock held by top printk() call.
CRs-Fixed: 969533
Change-Id: Iee822667b9104a69c3d717caeded0fcde3f6d560
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Yury Gribov <y.gribov@samsung.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Kostya Serebryany <kcc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-repo: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/
Git-commit: 5c9cf8af2e77388f1da81c39237fb4f20c2f85d5
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
[satyap@codeaurora.org: trivial merge conflict resolution]
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
commit 8d91f8b15361dfb438ab6eb3b319e2ded43458ff upstream.
@console_may_schedule tracks whether console_sem was acquired through
lock or trylock. If the former, we're inside a sleepable context and
console_conditional_schedule() performs cond_resched(). This allows
console drivers which use console_lock for synchronization to yield
while performing time-consuming operations such as scrolling.
However, the actual console outputting is performed while holding
irq-safe logbuf_lock, so console_unlock() clears @console_may_schedule
before starting outputting lines. Also, only a few drivers call
console_conditional_schedule() to begin with. This means that when a
lot of lines need to be output by console_unlock(), for example on a
console registration, the task doing console_unlock() may not yield for
a long time on a non-preemptible kernel.
If this happens with a slow console devices, for example a serial
console, the outputting task may occupy the cpu for a very long time.
Long enough to trigger softlockup and/or RCU stall warnings, which in
turn pile more messages, sometimes enough to trigger the next cycle of
warnings incapacitating the system.
Fix it by making console_unlock() insert cond_resched() between lines if
@console_may_schedule.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Calvin Owens <calvinowens@fb.com>
Acked-by: Jan Kara <jack@suse.com>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: Kyle McMartin <kyle@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The following statement of ABI/testing/dev-kmsg is not quite right:
It is not possible to inject messages from userspace with the
facility number LOG_KERN (0), to make sure that the origin of the
messages can always be reliably determined.
Userland actually can inject messages with a facility of 0 by abusing the
fact that the facility is stored in a u8 data type. By using a facility
which is a multiple of 256 the assignment of msg->facility in log_store()
implicitly truncates it to 0, i.e. LOG_KERN, allowing users of /dev/kmsg
to spoof kernel messages as shown below:
The following call...
# printf '<%d>Kernel panic - not syncing: beer empty\n' 0 >/dev/kmsg
...leads to the following log entry (dmesg -x | tail -n 1):
user :emerg : [ 66.137758] Kernel panic - not syncing: beer empty
However, this call...
# printf '<%d>Kernel panic - not syncing: beer empty\n' 0x800 >/dev/kmsg
...leads to the slightly different log entry (note the kernel facility):
kern :emerg : [ 74.177343] Kernel panic - not syncing: beer empty
Fix that by limiting the user provided facility to 8 bit right from the
beginning and catch the truncation early.
Fixes: 7ff9554bb5 ("printk: convert byte-buffer to variable-length...")
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Petr Mladek <pmladek@suse.cz>
Cc: Alex Elder <elder@linaro.org>
Cc: Joe Perches <joe@perches.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
pstore doesn't support unregistering yet. It was marked as TODO.
This patch adds some code to fix it:
1) Add functions to unregister kmsg/console/ftrace/pmsg.
2) Add a function to free compression buffer.
3) Unmap the memory and free it.
4) Add a function to unregister pstore filesystem.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Acked-by: Kees Cook <keescook@chromium.org>
[Removed __exit annotation from ramoops_remove(). Reported by Arnd Bergmann]
Signed-off-by: Tony Luck <tony.luck@intel.com>
There are two kexec load syscalls, kexec_load another and kexec_file_load.
kexec_file_load has been splited as kernel/kexec_file.c. In this patch I
split kexec_load syscall code to kernel/kexec.c.
And add a new kconfig option KEXEC_CORE, so we can disable kexec_load and
use kexec_file_load only, or vice verse.
The original requirement is from Ted Ts'o, he want kexec kernel signature
being checked with CONFIG_KEXEC_VERIFY_SIG enabled. But kexec-tools use
kexec_load syscall can bypass the checking.
Vivek Goyal proposed to create a common kconfig option so user can compile
in only one syscall for loading kexec kernel. KEXEC/KEXEC_FILE selects
KEXEC_CORE so that old config files still work.
Because there's general code need CONFIG_KEXEC_CORE, so I updated all the
architecture Kconfig with a new option KEXEC_CORE, and let KEXEC selects
KEXEC_CORE in arch Kconfig. Also updated general kernel code with to
kexec_load syscall.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Dave Young <dyoung@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Petr Tesarik <ptesarik@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The comment about /dev/kmsg does not mention the additional values which
may actually be exported, fix that.
Also move up the part of the comment instructing the users to ignore these
additional values, this way the reading is more fluent and logically
compact.
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: Joe Perches <joe@perches.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch fixes drawbacks in heck_syslog_permissions() noticed by AKPM:
"from_file handling makes me cry.
That's not a boolean - it's an enumerated value with two values
currently defined.
But the code in check_syslog_permissions() treats it as a boolean and
also hardwires the knowledge that SYSLOG_FROM_PROC == 1 (or == `true`).
And the name is wrong: it should be called from_proc to match
SYSLOG_FROM_PROC."
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Josh Boyer <jwboyer@redhat.com>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The final version of commit 637241a900 ("kmsg: honor dmesg_restrict
sysctl on /dev/kmsg") lost few hooks, as result security_syslog() are
processed incorrectly:
- open of /dev/kmsg checks syslog access permissions by using
check_syslog_permissions() where security_syslog() is not called if
dmesg_restrict is set.
- syslog syscall and /proc/kmsg calls do_syslog() where security_syslog
can be executed twice (inside check_syslog_permissions() and then
directly in do_syslog())
With this patch security_syslog() is called once only in all
syslog-related operations regardless of dmesg_restrict value.
Fixes: 637241a900 ("kmsg: honor dmesg_restrict sysctl on /dev/kmsg")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Josh Boyer <jwboyer@redhat.com>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
printk log_buf keeps various metadata for each message including its
sequence number and timestamp. The metadata is currently available only
through /dev/kmsg and stripped out before passed onto console drivers. We
want this metadata to be available to console drivers too so that console
consumers can get full information including the metadata and dictionary,
which among other things can be used to detect whether messages got lost
in transit.
This patch implements support for extended console drivers. Consoles can
indicate that they want extended messages by setting the new CON_EXTENDED
flag and they'll be fed messages formatted the same way as /dev/kmsg.
"<level>,<sequnum>,<timestamp>,<contflag>;<message text>\n"
If extended consoles exist, in-kernel fragment assembly is disabled. This
ensures that all messages emitted to consoles have full metadata including
sequence number. The contflag carries enough information to reassemble
the fragments from the reader side trivially. Note that this only affects
/dev/kmsg. Regular console and /proc/kmsg outputs are not affected by
this change.
* Extended message formatting for console drivers is enabled iff there
are registered extended consoles.
* Comment describing /dev/kmsg message format updated to add missing
contflag field and help distinguishing variable from verbatim terms.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Miller <davem@davemloft.net>
Cc: Kay Sievers <kay@vrfy.org>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The extended message formatting used for /dev/kmsg will be used implement
extended consoles. Factor out msg_print_ext_header() and
msg_print_ext_body() from devkmsg_read().
This is pure restructuring.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Miller <davem@davemloft.net>
Cc: Kay Sievers <kay@vrfy.org>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patchset updates netconsole so that it can emit messages with the
same header as used in /dev/kmsg which gives neconsole receiver full log
information which enables things like structured logging and detection
of lost messages.
This patch (of 7):
devkmsg_read() uses 8k buffer and assumes that the formatted output
message won't overrun which seems safe given LOG_LINE_MAX, the current use
of dict and the escaping method being used; however, we're planning to use
devkmsg formatting wider and accounting for the buffer size properly isn't
that complicated.
This patch defines CONSOLE_EXT_LOG_MAX as 8192 and updates devkmsg_read()
so that it limits output accordingly.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Miller <davem@davemloft.net>
Cc: Kay Sievers <kay@vrfy.org>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here's the big tty/serial driver update for 4.1-rc1.
It was delayed for a bit due to some questions surrounding some of the
console command line parsing changes that are in here. There's still
one tiny regression for people who were previously putting multiple
console command lines and expecting them all to be ignored for some odd
reason, but Peter is working on fixing that. If not, I'll send a revert
for the offending patch, but I have faith that Peter can address it.
Other than the console work here, there's the usual serial driver
updates and changes, and a buch of 8250 reworks to try to make that
driver easier to maintain over time, and have it support more devices in
the future.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here's the big tty/serial driver update for 4.1-rc1.
It was delayed for a bit due to some questions surrounding some of the
console command line parsing changes that are in here. There's still
one tiny regression for people who were previously putting multiple
console command lines and expecting them all to be ignored for some
odd reason, but Peter is working on fixing that. If not, I'll send a
revert for the offending patch, but I have faith that Peter can
address it.
Other than the console work here, there's the usual serial driver
updates and changes, and a buch of 8250 reworks to try to make that
driver easier to maintain over time, and have it support more devices
in the future.
All of these have been in linux-next for a while"
* tag 'tty-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (119 commits)
n_gsm: Drop unneeded cast on netdev_priv
sc16is7xx: expose RTS inversion in RS-485 mode
serial: 8250_pci: port failed after wakeup from S3
earlycon: 8250: Document kernel command line options
earlycon: 8250: Fix command line regression
earlycon: Fix __earlycon_table stride
tty: clean up the tty time logic a bit
serial: 8250_dw: only get the clock rate in one place
serial: 8250_dw: remove useless ACPI ID check
dmaengine: hsu: move memory allocation to GFP_NOWAIT
dmaengine: hsu: remove redundant pieces of code
serial: 8250_pci: add Intel Tangier support
dmaengine: hsu: add Intel Tangier PCI ID
serial: 8250_pci: replace switch-case by formula for Intel MID
serial: 8250_pci: replace switch-case by formula
tty: cpm_uart: replace CONFIG_8xx by CONFIG_CPM1
serial: jsm: some off by one bugs
serial: xuartps: Fix check in console_setup().
serial: xuartps: Get rid of register access macros.
serial: xuartps: Fix iobase use.
...
Add match() method to struct console which allows the console to
perform console command line matching instead of (or in addition to)
default console matching (ie., by fixed name and index).
The match() method returns 0 to indicate a successful match; normal
console matching occurs if no match() method is defined or the
match() method returns non-zero. The match() method is expected to set
the console index if required.
Re-implement earlycon-to-console-handoff with direct matching of
"console=uart|uart8250,..." to the 8250 ttyS console.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
struct kiocb now is a generic I/O container, so move it to fs.h.
Also do a #include diet for aio.h while we're at it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
There is no need to pass the total request length in the kiocb, as
we already get passed in through the iov_iter argument.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Before register_console() calls the setup() method of the matched
console, the registering console index is already equal to the index
from the console command line; ie. newcon->index == c->index.
This change is also required to support extensible console matching;
(the command line index may have no relation to the console index
assigned by the console-defined match() function).
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 6ae9200f2c ("enlarge console.name") increased the storage
for the console name to 16 bytes, but not the corresponding
struct console_cmdline::name storage. Console names longer than
8 bytes cause read beyond end-of-string and failure to match
console; I'm not sure if there are other unexpected consequences.
Cc: <stable@vger.kernel.org> # 2.6.22+
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* KDB: improved searching
* No longer enter debug core on panic if panic timeout is set
KGDB/KDB regressions / cleanups
* fix pdf doc build errors
* prevent junk characters on kdb console from printk levels
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Merge tag 'for_linux-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb
Pull kgdb/kdb updates from Jason Wessel:
"KGDB/KDB New:
- KDB: improved searching
- No longer enter debug core on panic if panic timeout is set
KGDB/KDB regressions / cleanups
- fix pdf doc build errors
- prevent junk characters on kdb console from printk levels"
* tag 'for_linux-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb:
kgdb, docs: Fix <para> pdfdocs build errors
debug: prevent entering debug mode on panic/exception.
kdb: Const qualifier for kdb_getstr's prompt argument
kdb: Provide forward search at more prompt
kdb: Fix a prompt management bug when using | grep
kdb: Remove stack dump when entering kgdb due to NMI
kdb: Avoid printing KERN_ levels to consoles
kdb: Fix off by one error in kdb_cpu()
kdb: fix incorrect counts in KDB summary command output
Currently when kdb traps printk messages then the raw log level prefix
(consisting of '\001' followed by a numeral) does not get stripped off
before the message is issued to the various I/O handlers supported by
kdb. This causes annoying visual noise as well as causing problems
grepping for ^. It is also a change of behaviour compared to normal usage
of printk() usage. For example <SysRq>-h ends up with different output to
that of kdb's "sr h".
This patch addresses the problem by stripping log levels from messages
before they are issued to the I/O handlers. printk() which can also
act as an i/o handler in some cases is special cased; if the caller
provided a log level then the prefix will be preserved when sent to
printk().
The addition of non-printable characters to the output of kdb commands is a
regression, albeit and extremely elderly one, introduced by commit
04d2c8c83d ("printk: convert the format for KERN_<LEVEL> to a 2 byte
pattern"). Note also that this patch does *not* restore the original
behaviour from v3.5. Instead it makes printk() from within a kdb command
display the message without any prefix (i.e. like printk() normally does).
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Joe Perches <joe@perches.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Neaten the MODULE_PARAM_DESC message.
Use 30 seconds in the comment for the zap console locks timeout.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
clean ups from that branch.
This code solves the issue of performing stack dumps from NMI context.
The issue is that printk() is not safe from NMI context as if the NMI
were to trigger when a printk() was being performed, the NMI could
deadlock from the printk() internal locks. This has been seen in practice.
With lots of review from Petr Mladek, this code went through several
iterations, and we feel that it is now at a point of quality to be
accepted into mainline.
Here's what is contained in this patch set:
o Creates a "seq_buf" generic buffer utility that allows a descriptor
to be passed around where functions can write their own "printk()"
formatted strings into it. The generic version was pulled out of
the trace_seq() code that was made specifically for tracing.
o The seq_buf code was change to model the seq_file code. I have
a patch (not included for 3.19) that converts the seq_file.c code
over to use seq_buf.c like the trace_seq.c code does. This was done
to make sure that seq_buf.c is compatible with seq_file.c. I may
try to get that patch in for 3.20.
o The seq_buf.c file was moved to lib/ to remove it from being dependent
on CONFIG_TRACING.
o The printk() was updated to allow for a per_cpu "override" of
the internal calls. That is, instead of writing to the console, a call
to printk() may do something else. This made it easier to allow the
NMI to change what printk() does in order to call dump_stack() without
needing to update that code as well.
o Finally, the dump_stack from all CPUs via NMI code was converted to
use the seq_buf code. The caller to trigger the NMI code would wait
till all the NMIs finished, and then it would print the seq_buf
data to the console safely from a non NMI context.
[ Updated to remove unnecessary preempt_disable in printk() ]
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Merge tag 'trace-seq-buf-3.19-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixlet from Steven Rostedt:
"Remove unnecessary preempt_disable in printk()"
* tag 'trace-seq-buf-3.19-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
printk: Do not disable preemption for accessing printk_func
As printk_func will either be the default function, or a per_cpu function
for the current CPU, there's no reason to disable preemption to access
it from printk. That's because if the printk_func is not the default
then the caller had better disabled preemption as they were the one to
change it.
Link: http://lkml.kernel.org/r/CA+55aFz5-_LKW4JHEBoWinN9_ouNcGRWAF2FUA35u46FRN-Kxw@mail.gmail.com
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
clean ups from that branch.
This code solves the issue of performing stack dumps from NMI context.
The issue is that printk() is not safe from NMI context as if the NMI
were to trigger when a printk() was being performed, the NMI could
deadlock from the printk() internal locks. This has been seen in practice.
With lots of review from Petr Mladek, this code went through several
iterations, and we feel that it is now at a point of quality to be
accepted into mainline.
Here's what is contained in this patch set:
o Creates a "seq_buf" generic buffer utility that allows a descriptor
to be passed around where functions can write their own "printk()"
formatted strings into it. The generic version was pulled out of
the trace_seq() code that was made specifically for tracing.
o The seq_buf code was change to model the seq_file code. I have
a patch (not included for 3.19) that converts the seq_file.c code
over to use seq_buf.c like the trace_seq.c code does. This was done
to make sure that seq_buf.c is compatible with seq_file.c. I may
try to get that patch in for 3.20.
o The seq_buf.c file was moved to lib/ to remove it from being dependent
on CONFIG_TRACING.
o The printk() was updated to allow for a per_cpu "override" of
the internal calls. That is, instead of writing to the console, a call
to printk() may do something else. This made it easier to allow the
NMI to change what printk() does in order to call dump_stack() without
needing to update that code as well.
o Finally, the dump_stack from all CPUs via NMI code was converted to
use the seq_buf code. The caller to trigger the NMI code would wait
till all the NMIs finished, and then it would print the seq_buf
data to the console safely from a non NMI context.
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Merge tag 'trace-seq-buf-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull nmi-safe seq_buf printk update from Steven Rostedt:
"This code is a fork from the trace-3.19 pull as it needed the
trace_seq clean ups from that branch.
This code solves the issue of performing stack dumps from NMI context.
The issue is that printk() is not safe from NMI context as if the NMI
were to trigger when a printk() was being performed, the NMI could
deadlock from the printk() internal locks. This has been seen in
practice.
With lots of review from Petr Mladek, this code went through several
iterations, and we feel that it is now at a point of quality to be
accepted into mainline.
Here's what is contained in this patch set:
- Creates a "seq_buf" generic buffer utility that allows a descriptor
to be passed around where functions can write their own "printk()"
formatted strings into it. The generic version was pulled out of
the trace_seq() code that was made specifically for tracing.
- The seq_buf code was change to model the seq_file code. I have a
patch (not included for 3.19) that converts the seq_file.c code
over to use seq_buf.c like the trace_seq.c code does. This was
done to make sure that seq_buf.c is compatible with seq_file.c. I
may try to get that patch in for 3.20.
- The seq_buf.c file was moved to lib/ to remove it from being
dependent on CONFIG_TRACING.
- The printk() was updated to allow for a per_cpu "override" of the
internal calls. That is, instead of writing to the console, a call
to printk() may do something else. This made it easier to allow
the NMI to change what printk() does in order to call dump_stack()
without needing to update that code as well.
- Finally, the dump_stack from all CPUs via NMI code was converted to
use the seq_buf code. The caller to trigger the NMI code would
wait till all the NMIs finished, and then it would print the
seq_buf data to the console safely from a non NMI context
One added bonus is that this code also makes the NMI dump stack work
on PREEMPT_RT kernels. As printk() includes sleeping locks on
PREEMPT_RT, printk() only writes to console if the console does not
use any rt_mutex converted spin locks. Which a lot do"
* tag 'trace-seq-buf-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
x86/nmi: Fix use of unallocated cpumask_var_t
printk/percpu: Define printk_func when printk is not defined
x86/nmi: Perform a safe NMI stack trace on all CPUs
printk: Add per_cpu printk func to allow printk to be diverted
seq_buf: Move the seq_buf code to lib/
seq-buf: Make seq_buf_bprintf() conditional on CONFIG_BINARY_PRINTF
tracing: Add seq_buf_get_buf() and seq_buf_commit() helper functions
tracing: Have seq_buf use full buffer
seq_buf: Add seq_buf_can_fit() helper function
tracing: Add paranoid size check in trace_printk_seq()
tracing: Use trace_seq_used() and seq_buf_used() instead of len
tracing: Clean up tracing_fill_pipe_page()
seq_buf: Create seq_buf_used() to find out how much was written
tracing: Add a seq_buf_clear() helper and clear len and readpos in init
tracing: Convert seq_buf fields to be like seq_file fields
tracing: Convert seq_buf_path() to be like seq_path()
tracing: Create seq_buf layer in trace_seq
Merge first patchbomb from Andrew Morton:
- a few minor cifs fixes
- dma-debug upadtes
- ocfs2
- slab
- about half of MM
- procfs
- kernel/exit.c
- panic.c tweaks
- printk upates
- lib/ updates
- checkpatch updates
- fs/binfmt updates
- the drivers/rtc tree
- nilfs
- kmod fixes
- more kernel/exit.c
- various other misc tweaks and fixes
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (190 commits)
exit: pidns: fix/update the comments in zap_pid_ns_processes()
exit: pidns: alloc_pid() leaks pid_namespace if child_reaper is exiting
exit: exit_notify: re-use "dead" list to autoreap current
exit: reparent: call forget_original_parent() under tasklist_lock
exit: reparent: avoid find_new_reaper() if no children
exit: reparent: introduce find_alive_thread()
exit: reparent: introduce find_child_reaper()
exit: reparent: document the ->has_child_subreaper checks
exit: reparent: s/while_each_thread/for_each_thread/ in find_new_reaper()
exit: reparent: fix the cross-namespace PR_SET_CHILD_SUBREAPER reparenting
exit: reparent: fix the dead-parent PR_SET_CHILD_SUBREAPER reparenting
exit: proc: don't try to flush /proc/tgid/task/tgid
exit: release_task: fix the comment about group leader accounting
exit: wait: drop tasklist_lock before psig->c* accounting
exit: wait: don't use zombie->real_parent
exit: wait: cleanup the ptrace_reparented() checks
usermodehelper: kill the kmod_thread_locker logic
usermodehelper: don't use CLONE_VFORK for ____call_usermodehelper()
fs/hfs/catalog.c: fix comparison bug in hfs_cat_keycmp
nilfs2: fix the nilfs_iget() vs. nilfs_new_inode() races
...
Pranith Kumar posted a patch in which removed the "volatile"
qualifier for the "logbuf_cpu" variable in vprintk_emit().
https://lkml.org/lkml/2014/11/13/894
In his patch, he used ACCESS_ONCE() for all references to
that symbol to provide whatever protection was intended.
There was some discussion that followed, and in the end Steven Rostedt
concluded that not only was "volatile" not needed, neither was it
required to use ACCESS_ONCE(). I offered an elaborate description that
concluded Steven was right, and Pranith asked me to submit an
alternative patch. And this is it.
The basic reason "volatile" is not needed is that "logbuf_cpu" has
static storage duration, and vprintk_emit() is an exported
interface. This means that the value of logbuf_cpu must be read
from memory the first time it is used in a particular call of
vprintk_emit(). The variable's value is read only once in that
function, when it's read it'll be the copy from memory (or cache).
In addition, the value of "logbuf_cpu" is only ever written under
protection of a spinlock. So the value that is read is the "real"
value (and not an out-of-date cached one). If its value is not
UINT_MAX, it is the current CPU's processor id, and it will have
been last written by the running CPU.
Signed-off-by: Alex Elder <elder@linaro.org>
Reported-by: Pranith Kumar <bobby.prani@gmail.com>
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Petr Mladek <pmladek@suse.cz>
Cc: Luis R. Rodriguez <mcgrof@suse.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Eliminate the unlikely possibility of message interleaving for
early_printk/early_vprintk use.
early_vprintk can be done via the %pV extension so remove this
unnecessary function and change early_printk to have the equivalent
vprintk code.
All uses of early_printk already end with a newline so also remove the
unnecessary newline from the early_printk function.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
To avoid include hell, the per_cpu variable printk_func was declared
in percpu.h. But it is only defined if printk is defined.
As users of printk may also use the printk_func variable, it needs to
be defined even if CONFIG_PRINTK is not.
Also add a printk.h include in percpu.h just to be safe.
Link: http://lkml.kernel.org/r/20141121183215.01ba539c@canb.auug.org.au
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Being able to divert printk to call another function besides the normal
logging is useful for such things like NMI handling. If some functions
are to be called from NMI that does printk() it is possible to lock up
the box if the nmi handler triggers when another printk is happening.
One example of this use is to perform a stack trace on all CPUs via NMI.
But if the NMI is to do the printk() it can cause the system to lock up.
By allowing the printk to be diverted to another function that can safely
record the printk output and then print it when it in a safe context
then NMIs will be safe to call these functions like show_regs().
Link: http://lkml.kernel.org/p/20140619213952.209176403@goodmis.org
Tested-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
When the kernel.dmesg_restrict restriction is in place, only users with
CAP_SYSLOG should be able to access crash dumps (like: attacker is
trying to exploit a bug, watchdog reboots, attacker can happily read
crash dumps and logs).
This puts the restriction on console-* types as well as sensitive
information could have been leaked there.
Other log types are unaffected.
Signed-off-by: Sebastian Schmidt <yath@yath.de>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Pull percpu consistent-ops changes from Tejun Heo:
"Way back, before the current percpu allocator was implemented, static
and dynamic percpu memory areas were allocated and handled separately
and had their own accessors. The distinction has been gone for many
years now; however, the now duplicate two sets of accessors remained
with the pointer based ones - this_cpu_*() - evolving various other
operations over time. During the process, we also accumulated other
inconsistent operations.
This pull request contains Christoph's patches to clean up the
duplicate accessor situation. __get_cpu_var() uses are replaced with
with this_cpu_ptr() and __this_cpu_ptr() with raw_cpu_ptr().
Unfortunately, the former sometimes is tricky thanks to C being a bit
messy with the distinction between lvalues and pointers, which led to
a rather ugly solution for cpumask_var_t involving the introduction of
this_cpu_cpumask_var_ptr().
This converts most of the uses but not all. Christoph will follow up
with the remaining conversions in this merge window and hopefully
remove the obsolete accessors"
* 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (38 commits)
irqchip: Properly fetch the per cpu offset
percpu: Resolve ambiguities in __get_cpu_var/cpumask_var_t -fix
ia64: sn_nodepda cannot be assigned to after this_cpu conversion. Use __this_cpu_write.
percpu: Resolve ambiguities in __get_cpu_var/cpumask_var_t
Revert "powerpc: Replace __get_cpu_var uses"
percpu: Remove __this_cpu_ptr
clocksource: Replace __this_cpu_ptr with raw_cpu_ptr
sparc: Replace __get_cpu_var uses
avr32: Replace __get_cpu_var with __this_cpu_write
blackfin: Replace __get_cpu_var uses
tile: Use this_cpu_ptr() for hardware counters
tile: Replace __get_cpu_var uses
powerpc: Replace __get_cpu_var uses
alpha: Replace __get_cpu_var
ia64: Replace __get_cpu_var uses
s390: cio driver &__get_cpu_var replacements
s390: Replace __get_cpu_var uses
mips: Replace __get_cpu_var uses
MIPS: Replace __get_cpu_var uses in FPU emulator.
arm: Replace __this_cpu_ptr with raw_cpu_ptr
...
Commit 458df9fd48 ("printk: remove separate printk_sched buffers and use
printk buf instead") hardcodes printk_deferred() to KERN_WARNING and
inserts the string "[sched_delayed] " before the actual message. However
it doesn't take into account the KERN_* prefix of the message, that now
ends up in the middle of the output:
[sched_delayed] ^a4CE: hpet increased min_delta_ns to 20115 nsec
Fix this by just getting rid of the "[sched_delayed] " scnprintf(). The
prefix is useless since 458df9fd48 anyway since from that moment
printk_deferred() inserts the message into the kernel printk buffer
immediately. So if the message eventually gets printed to console, it is
printed in the correct order with other messages and there's no need for
any special prefix. And if the kernel crashes before the message makes it
to console, then prefix in the printk buffer doesn't make the situation
any better.
Link: http://lkml.org/lkml/2014/9/14/4
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When configuring a uniprocessor kernel, don't bother the user with an
irrelevant LOG_CPU_MAX_BUF_SHIFT question, and don't build the unused
code.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We shouldn't set text_len in the code path that detects printk recursion
because text_len corresponds to the length of the string inside textbuf.
A few lines down from the line
text_len = strlen(recursion_msg);
is the line
text_len += vscnprintf(text + text_len, ...);
So if printk detects recursion, it sets text_len to 29 (the length of
recursion_msg) and logs an error. Then the message supplied by the
caller of printk is stored inside textbuf but offset by 29 bytes. This
means that the output of the recursive call to printk will contain 29
bytes of garbage in front of it.
This defect is caused by commit 458df9fd48 ("printk: remove separate
printk_sched buffers and use printk buf instead") which turned the line
text_len = vscnprintf(text, ...);
into
text_len += vscnprintf(text + text_len, ...);
To fix this, this patch avoids setting text_len when logging the printk
recursion error. This patch also marks unlikely() the branch leading up
to this code.
Fixes: 458df9fd48 ("printk: remove separate printk_sched buffers and use printk buf instead")
Signed-off-by: Patrick Palka <patrick@parcs.ath.cx>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Replace uses of __get_cpu_var for address calculation with this_cpu_ptr.
Cc: akpm@linux-foundation.org
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Platforms like IBM Power Systems supports service processor
assisted dump. It provides interface to add memory region to
be captured when system is crashed.
During initialization/running we can add kernel memory region
to be collected.
Presently we don't have a way to get the log buffer base address
and size. This patch adds support to return log buffer address
and size.
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Blagovest Kolenichev
Runmin Wang
Sergey Senozhatsky
Alex Shi
Nicolas Iooss
Prasad Sodagudi
David Keitel
Andrey Ryabinin
Tejun Heo
Arve Hjønnevåg
Tony Lindgren
Mathias Krause
Geliang Tang
Dave Young
Antonio Ospite
Vasily Averin
Linus Torvalds
Al Viro
Peter Hurley
Christoph Hellwig
Greg Kroah-Hartman
Daniel Thompson
Joe Perches
Steven Rostedt (Red Hat)
Alex Elder
Sebastian Schmidt
Markus Trippelsdorf
Geert Uytterhoeven
Patrick Palka
Christoph Lameter
Vasant Hegde
Neil Zhang