android_kernel_oneplus_msm8998/security/security.c
Runmin Wang 78cbd38fd5 Merge tag 'lsk-v4.4-17.02-android' into branch 'msm-4.4'
* refs/heads/tmp-26c8156:
  Linux 4.4.49
  drm/i915: fix use-after-free in page_flip_completed()
  ALSA: seq: Don't handle loop timeout at snd_seq_pool_done()
  ALSA: seq: Fix race at creating a queue
  xen-netfront: Delete rx_refill_timer in xennet_disconnect_backend()
  scsi: mpt3sas: disable ASPM for MPI2 controllers
  scsi: aacraid: Fix INTx/MSI-x issue with older controllers
  scsi: zfcp: fix use-after-free by not tracing WKA port open/close on failed send
  netvsc: Set maximum GSO size in the right place
  mac80211: Fix adding of mesh vendor IEs
  ARM: 8642/1: LPAE: catch pending imprecise abort on unmask
  target: Fix COMPARE_AND_WRITE ref leak for non GOOD status
  target: Fix early transport_generic_handle_tmr abort scenario
  target: Use correct SCSI status during EXTENDED_COPY exception
  target: Don't BUG_ON during NodeACL dynamic -> explicit conversion
  ARM: 8643/3: arm/ptrace: Preserve previous registers for short regset write
  hns: avoid stack overflow with CONFIG_KASAN
  cpumask: use nr_cpumask_bits for parsing functions
  Revert "x86/ioapic: Restore IO-APIC irq_chip retrigger callback"
  selinux: fix off-by-one in setprocattr
  ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup
  Linux 4.4.48
  base/memory, hotplug: fix a kernel oops in show_valid_zones()
  x86/irq: Make irq activate operations symmetric
  USB: serial: option: add device ID for HP lt2523 (Novatel E371)
  usb: gadget: f_fs: Assorted buffer overflow checks.
  USB: Add quirk for WORLDE easykey.25 MIDI keyboard
  USB: serial: pl2303: add ATEN device ID
  USB: serial: qcserial: add Dell DW5570 QDL
  KVM: x86: do not save guest-unsupported XSAVE state
  HID: wacom: Fix poor prox handling in 'wacom_pl_irq'
  percpu-refcount: fix reference leak during percpu-atomic transition
  mmc: sdhci: Ignore unexpected CARD_INT interrupts
  can: bcm: fix hrtimer/tasklet termination in bcm op removal
  mm, fs: check for fatal signals in do_generic_file_read()
  mm/memory_hotplug.c: check start_pfn in test_pages_in_a_zone()
  cifs: initialize file_info_lock
  zswap: disable changing params if init fails
  svcrpc: fix oops in absence of krb5 module
  NFSD: Fix a null reference case in find_or_create_lock_stateid()
  powerpc: Add missing error check to prom_find_boot_cpu()
  powerpc/eeh: Fix wrong flag passed to eeh_unfreeze_pe()
  libata: apply MAX_SEC_1024 to all CX1-JB*-HP devices
  ata: sata_mv:- Handle return value of devm_ioremap.
  perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
  crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
  crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg
  drm/nouveau/nv1a,nv1f/disp: fix memory clock rate retrieval
  drm/nouveau/disp/gt215: Fix HDA ELD handling (thus, HDMI audio) on gt215
  ext4: validate s_first_meta_bg at mount time
  PCI/ASPM: Handle PCI-to-PCIe bridges as roots of PCIe hierarchies
  ANDROID: security: export security_path_chown()
  Linux 4.4.47
  net: dsa: Bring back device detaching in dsa_slave_suspend()
  qmi_wwan/cdc_ether: add device ID for HP lt2523 (Novatel E371) WWAN card
  af_unix: move unix_mknod() out of bindlock
  r8152: don't execute runtime suspend if the tx is not empty
  bridge: netlink: call br_changelink() during br_dev_newlink()
  tcp: initialize max window for a new fastopen socket
  ipv6: addrconf: Avoid addrconf_disable_change() using RCU read-side lock
  net: phy: bcm63xx: Utilize correct config_intr function
  net: fix harmonize_features() vs NETIF_F_HIGHDMA
  ax25: Fix segfault after sock connection timeout
  ravb: do not use zero-length alignment DMA descriptor
  openvswitch: maintain correct checksum state in conntrack actions
  tcp: fix tcp_fastopen unaligned access complaints on sparc
  net: systemport: Decouple flow control from __bcm_sysport_tx_reclaim
  net: ipv4: fix table id in getroute response
  net: lwtunnel: Handle lwtunnel_fill_encap failure
  mlxsw: pci: Fix EQE structure definition
  mlxsw: switchx2: Fix memory leak at skb reallocation
  mlxsw: spectrum: Fix memory leak at skb reallocation
  r8152: fix the sw rx checksum is unavailable
  ANDROID: sdcardfs: Switch strcasecmp for internal call
  ANDROID: sdcardfs: switch to full_name_hash and qstr
  ANDROID: sdcardfs: Add GID Derivation to sdcardfs
  ANDROID: sdcardfs: Remove redundant operation
  ANDROID: sdcardfs: add support for user permission isolation
  ANDROID: sdcardfs: Refactor configfs interface
  ANDROID: sdcardfs: Allow non-owners to touch
  ANDROID: binder: fix format specifier for type binder_size_t
  ANDROID: fs: Export vfs_rmdir2
  ANDROID: fs: Export free_fs_struct and set_fs_pwd
  ANDROID: mnt: remount should propagate to slaves of slaves
  ANDROID: sdcardfs: Switch ->d_inode to d_inode()
  ANDROID: sdcardfs: Fix locking issue with permision fix up
  ANDROID: sdcardfs: Change magic value
  ANDROID: sdcardfs: Use per mount permissions
  ANDROID: sdcardfs: Add gid and mask to private mount data
  ANDROID: sdcardfs: User new permission2 functions
  ANDROID: vfs: Add setattr2 for filesystems with per mount permissions
  ANDROID: vfs: Add permission2 for filesystems with per mount permissions
  ANDROID: vfs: Allow filesystems to access their private mount data
  ANDROID: mnt: Add filesystem private data to mount points
  ANDROID: sdcardfs: Move directory unlock before touch
  ANDROID: sdcardfs: fix external storage exporting incorrect uid
  ANDROID: sdcardfs: Added top to sdcardfs_inode_info
  ANDROID: sdcardfs: Switch package list to RCU
  ANDROID: sdcardfs: Fix locking for permission fix up
  ANDROID: sdcardfs: Check for other cases on path lookup
  ANDROID: sdcardfs: override umask on mkdir and create
  Linux 4.4.46
  mm, memcg: do not retry precharge charges
  platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT
  pinctrl: broxton: Use correct PADCFGLOCK offset
  s5k4ecgx: select CRC32 helper
  IB/umem: Release pid in error and ODP flow
  IB/ipoib: move back IB LL address into the hard header
  drm/i915: Don't leak edid in intel_crt_detect_ddc()
  SUNRPC: cleanup ida information when removing sunrpc module
  NFSv4.0: always send mode in SETATTR after EXCLUSIVE4
  nfs: Don't increment lock sequence ID after NFS4ERR_MOVED
  parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header
  ARC: [arcompact] handle unaligned access delay slot corner case
  ARC: udelay: fix inline assembler by adding LP_COUNT to clobber list
  can: ti_hecc: add missing prepare and unprepare of the clock
  can: c_can_pci: fix null-pointer-deref in c_can_start() - set device pointer
  s390/ptrace: Preserve previous registers for short regset write
  RDMA/cma: Fix unknown symbol when CONFIG_IPV6 is not enabled
  ISDN: eicon: silence misleading array-bounds warning
  sysctl: fix proc_doulongvec_ms_jiffies_minmax()
  mm/mempolicy.c: do not put mempolicy before using its nodemask
  drm: Fix broken VT switch with video=1366x768 option
  tile/ptrace: Preserve previous registers for short regset write
  fbdev: color map copying bounds checking
  Linux 4.4.45
  arm64: avoid returning from bad_mode
  selftest/powerpc: Wrong PMC initialized in pmc56_overflow test
  dmaengine: pl330: Fix runtime PM support for terminated transfers
  ite-cir: initialize use_demodulator before using it
  blackfin: check devm_pinctrl_get() for errors
  ARM: 8613/1: Fix the uaccess crash on PB11MPCore
  ARM: ux500: fix prcmu_is_cpu_in_wfi() calculation
  ARM: dts: imx6qdl-nitrogen6_max: fix sgtl5000 pinctrl init
  arm64/ptrace: Reject attempts to set incomplete hardware breakpoint fields
  arm64/ptrace: Avoid uninitialised struct padding in fpr_set()
  arm64/ptrace: Preserve previous registers for short regset write - 3
  arm64/ptrace: Preserve previous registers for short regset write - 2
  arm64/ptrace: Preserve previous registers for short regset write
  ARM: dts: da850-evm: fix read access to SPI flash
  ceph: fix bad endianness handling in parse_reply_info_extra
  ARM: 8634/1: hw_breakpoint: blacklist Scorpion CPUs
  svcrdma: avoid duplicate dma unmapping during error recovery
  clocksource/exynos_mct: Clear interrupt when cpu is shut down
  ubifs: Fix journal replay wrt. xattr nodes
  qla2xxx: Fix crash due to null pointer access
  x86/ioapic: Restore IO-APIC irq_chip retrigger callback
  mtd: nand: xway: disable module support
  ieee802154: atusb: do not use the stack for buffers to make them DMA able
  mmc: mxs-mmc: Fix additional cycles after transmission stop
  HID: corsair: fix control-transfer error handling
  HID: corsair: fix DMA buffers on stack
  PCI: Enumerate switches below PCI-to-PCIe bridges
  fuse: clear FR_PENDING flag when moving requests out of pending queue
  svcrpc: don't leak contexts on PROC_DESTROY
  x86/PCI: Ignore _CRS on Supermicro X8DTH-i/6/iF/6F
  tmpfs: clear S_ISGID when setting posix ACLs
  ARM: dts: imx31: fix AVIC base address
  ARM: dts: imx31: move CCM device node to AIPS2 bus devices
  ARM: dts: imx31: fix clock control module interrupts description
  perf scripting: Avoid leaking the scripting_context variable
  IB/IPoIB: Remove can't use GFP_NOIO warning
  IB/mlx4: When no DMFS for IPoIB, don't allow NET_IF QPs
  IB/mlx4: Fix port query for 56Gb Ethernet links
  IB/mlx4: Fix out-of-range array index in destroy qp flow
  IB/mlx4: Set traffic class in AH
  IB/mlx5: Wait for all async command completions to complete
  ftrace/x86: Set ftrace_stub to weak to prevent gcc from using short jumps to it
  Linux 4.4.44
  pinctrl: sh-pfc: Do not unconditionally support PIN_CONFIG_BIAS_DISABLE
  powerpc/ibmebus: Fix device reference leaks in sysfs interface
  powerpc/ibmebus: Fix further device reference leaks
  bus: vexpress-config: fix device reference leak
  blk-mq: Always schedule hctx->next_cpu
  ACPI / APEI: Fix NMI notification handling
  block: cfq_cpd_alloc() should use @gfp
  cpufreq: powernv: Disable preemption while checking CPU throttling state
  NFSv4.1: nfs4_fl_prepare_ds must be careful about reporting success.
  NFS: Fix a performance regression in readdir
  pNFS: Fix race in pnfs_wait_on_layoutreturn
  pinctrl: meson: fix gpio request disabling other modes
  btrfs: fix error handling when run_delayed_extent_op fails
  btrfs: fix locking when we put back a delayed ref that's too new
  x86/cpu: Fix bootup crashes by sanitizing the argument of the 'clearcpuid=' command-line option
  USB: serial: ch341: fix modem-control and B0 handling
  USB: serial: ch341: fix resume after reset
  drm/radeon: drop verde dpm quirks
  sysctl: Drop reference added by grab_header in proc_sys_readdir
  sysrq: attach sysrq handler correctly for 32-bit kernel
  tty/serial: atmel_serial: BUG: stop DMA from transmitting in stop_tx
  mnt: Protect the mountpoint hashtable with mount_lock
  vme: Fix wrong pointer utilization in ca91cx42_slave_get
  xhci: fix deadlock at host remove by running watchdog correctly
  i2c: fix kernel memory disclosure in dev interface
  i2c: print correct device invalid address
  Input: elants_i2c - avoid divide by 0 errors on bad touchscreen data
  USB: serial: ch341: fix open and resume after B0
  USB: serial: ch341: fix control-message error handling
  USB: serial: ch341: fix open error handling
  USB: serial: ch341: fix initial modem-control state
  USB: serial: kl5kusb105: fix line-state error handling
  nl80211: fix sched scan netlink socket owner destruction
  KVM: x86: Introduce segmented_write_std
  KVM: x86: emulate FXSAVE and FXRSTOR
  KVM: x86: add asm_safe wrapper
  KVM: x86: add Align16 instruction flag
  KVM: x86: flush pending lapic jump label updates on module unload
  jump_labels: API for flushing deferred jump label updates
  KVM: eventfd: fix NULL deref irqbypass consumer
  KVM: x86: fix emulation of "MOV SS, null selector"
  mm/hugetlb.c: fix reservation race when freeing surplus pages
  ocfs2: fix crash caused by stale lvb with fsdlm plugin
  mm: fix devm_memremap_pages crash, use mem_hotplug_{begin, done}
  selftests: do not require bash for the generated test
  selftests: do not require bash to run netsocktests testcase
  Input: i8042 - add Pegatron touchpad to noloop table
  Input: xpad - use correct product id for x360w controllers
  DEBUG: sched/fair: Fix sched_load_avg_cpu events for task_groups
  DEBUG: sched/fair: Fix missing sched_load_avg_cpu events
  net: socket: don't set sk_uid to garbage value in ->setattr()
  ANDROID: configs: CONFIG_ARM64_SW_TTBR0_PAN=y
  UPSTREAM: arm64: Disable PAN on uaccess_enable()
  UPSTREAM: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN
  UPSTREAM: arm64: xen: Enable user access before a privcmd hvc call
  UPSTREAM: arm64: Handle faults caused by inadvertent user access with PAN enabled
  BACKPORT: arm64: Disable TTBR0_EL1 during normal kernel execution
  BACKPORT: arm64: Introduce uaccess_{disable,enable} functionality based on TTBR0_EL1
  BACKPORT: arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro
  BACKPORT: arm64: Factor out PAN enabling/disabling into separate uaccess_* macros
  UPSTREAM: arm64: alternative: add auto-nop infrastructure
  UPSTREAM: arm64: barriers: introduce nops and __nops macros for NOP sequences
  Revert "FROMLIST: arm64: Factor out PAN enabling/disabling into separate uaccess_* macros"
  Revert "FROMLIST: arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro"
  Revert "FROMLIST: arm64: Introduce uaccess_{disable,enable} functionality based on TTBR0_EL1"
  Revert "FROMLIST: arm64: Disable TTBR0_EL1 during normal kernel execution"
  Revert "FROMLIST: arm64: Handle faults caused by inadvertent user access with PAN enabled"
  Revert "FROMLIST: arm64: xen: Enable user access before a privcmd hvc call"
  Revert "FROMLIST: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN"
  ANDROID: sched/walt: fix build failure if FAIR_GROUP_SCHED=n
  Linux 4.4.43
  mm/init: fix zone boundary creation
  ALSA: usb-audio: Add a quirk for Plantronics BT600
  spi: mvebu: fix baudrate calculation for armada variant
  ARM: OMAP4+: Fix bad fallthrough for cpuidle
  ARM: zynq: Reserve correct amount of non-DMA RAM
  powerpc: Fix build warning on 32-bit PPC
  ALSA: firewire-tascam: Fix to handle error from initialization of stream data
  HID: hid-cypress: validate length of report
  net: vrf: do not allow table id 0
  net: ipv4: Fix multipath selection with vrf
  gro: Disable frag0 optimization on IPv6 ext headers
  gro: use min_t() in skb_gro_reset_offset()
  gro: Enter slow-path if there is no tailroom
  r8152: fix rx issue for runtime suspend
  r8152: split rtl8152_suspend function
  ipv4: Do not allow MAIN to be alias for new LOCAL w/ custom rules
  igmp: Make igmp group member RFC 3376 compliant
  drop_monitor: consider inserted data in genlmsg_end
  drop_monitor: add missing call to genlmsg_end
  net/mlx5: Avoid shadowing numa_node
  net/mlx5: Check FW limitations on log_max_qp before setting it
  net: stmmac: Fix race between stmmac_drv_probe and stmmac_open
  net, sched: fix soft lockup in tc_classify
  ipv6: handle -EFAULT from skb_copy_bits
  net: vrf: Drop conntrack data after pass through VRF device on Tx
  ser_gigaset: return -ENOMEM on error instead of success
  netvsc: reduce maximum GSO size
  Linux 4.4.42
  usb: gadget: composite: always set ep->mult to a sensible value
  Revert "usb: gadget: composite: always set ep->mult to a sensible value"
  tick/broadcast: Prevent NULL pointer dereference
  drm/radeon: Always store CRTC relative radeon_crtc->cursor_x/y values
  cx23885-dvb: move initialization of a8293_pdata
  net: vxge: avoid unused function warnings
  net: ti: cpmac: Fix compiler warning due to type confusion
  cred/userns: define current_user_ns() as a function
  staging: comedi: dt282x: tidy up register bit defines
  powerpc/pci/rpadlpar: Fix device reference leaks
  md: MD_RECOVERY_NEEDED is set for mddev->recovery
  crypto: arm64/aes-ce - fix for big endian
  crypto: arm64/aes-xts-ce: fix for big endian
  crypto: arm64/sha1-ce - fix for big endian
  crypto: arm64/aes-neon - fix for big endian
  crypto: arm64/aes-ccm-ce: fix for big endian
  crypto: arm/aes-ce - fix for big endian
  crypto: arm64/ghash-ce - fix for big endian
  crypto: arm64/sha2-ce - fix for big endian
  s390/crypto: unlock on error in prng_tdes_read()
  mmc: mmc_test: Uninitialized return value
  PM / wakeirq: Fix dedicated wakeirq for drivers not using autosuspend
  irqchip/bcm7038-l1: Implement irq_cpu_offline() callback
  target/iscsi: Fix double free in lio_target_tiqn_addtpg()
  scsi: mvsas: fix command_active typo
  ASoC: samsung: i2s: Fixup last IRQ unsafe spin lock call
  iommu/vt-d: Flush old iommu caches for kdump when the device gets context mapped
  iommu/vt-d: Fix pasid table size encoding
  iommu/amd: Fix the left value check of cmd buffer
  iommu/amd: Missing error code in amd_iommu_init_device()
  clk: imx31: fix rewritten input argument of mx31_clocks_init()
  clk: clk-wm831x: fix a logic error
  hwmon: (g762) Fix overflows and crash seen when writing limit attributes
  hwmon: (nct7802) Fix overflows seen when writing into limit attributes
  hwmon: (ds620) Fix overflows seen when writing temperature limits
  hwmon: (amc6821) sign extension temperature
  hwmon: (scpi) Fix module autoload
  cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected
  ath10k: use the right length of "background"
  stable-fixup: hotplug: fix unused function warning
  usb: dwc3: ep0: explicitly call dwc3_ep0_prepare_one_trb()
  usb: dwc3: ep0: add dwc3_ep0_prepare_one_trb()
  usb: dwc3: gadget: always unmap EP0 requests
  staging: iio: ad7606: fix improper setting of oversampling pins
  mei: bus: fix mei_cldev_enable KDoc
  USB: serial: io_ti: bind to interface after fw download
  USB: phy: am335x-control: fix device and of_node leaks
  ARM: dts: r8a7794: Correct hsusb parent clock
  USB: serial: kl5kusb105: abort on open exception path
  ALSA: usb-audio: Fix bogus error return in snd_usb_create_stream()
  usb: musb: blackfin: add bfin_fifo_offset in bfin_ops
  usb: hub: Move hub_port_disable() to fix warning if PM is disabled
  usb: musb: Fix trying to free already-free IRQ 4
  usb: dwc3: pci: add Intel Gemini Lake PCI ID
  xhci: Fix race related to abort operation
  xhci: Use delayed_work instead of timer for command timeout
  usb: xhci-mem: use passed in GFP flags instead of GFP_KERNEL
  USB: serial: mos7720: fix parallel probe
  USB: serial: mos7720: fix parport use-after-free on probe errors
  USB: serial: mos7720: fix use-after-free on probe errors
  USB: serial: mos7720: fix NULL-deref at open
  USB: serial: mos7840: fix NULL-deref at open
  USB: serial: kobil_sct: fix NULL-deref in write
  USB: serial: cyberjack: fix NULL-deref at open
  USB: serial: oti6858: fix NULL-deref at open
  USB: serial: io_edgeport: fix NULL-deref at open
  USB: serial: ti_usb_3410_5052: fix NULL-deref at open
  USB: serial: garmin_gps: fix memory leak on failed URB submit
  USB: serial: iuu_phoenix: fix NULL-deref at open
  USB: serial: io_ti: fix I/O after disconnect
  USB: serial: io_ti: fix another NULL-deref at open
  USB: serial: io_ti: fix NULL-deref at open
  USB: serial: spcp8x5: fix NULL-deref at open
  USB: serial: keyspan_pda: verify endpoints at probe
  USB: serial: pl2303: fix NULL-deref at open
  USB: serial: quatech2: fix sleep-while-atomic in close
  USB: serial: omninet: fix NULL-derefs at open and disconnect
  usb: xhci: hold lock over xhci_abort_cmd_ring()
  xhci: Handle command completion and timeout race
  usb: host: xhci: Fix possible wild pointer when handling abort command
  usb: xhci: fix return value of xhci_setup_device()
  xhci: free xhci virtual devices with leaf nodes first
  usb: xhci: apply XHCI_PME_STUCK_QUIRK to Intel Apollo Lake
  xhci: workaround for hosts missing CAS bit
  usb: xhci: fix possible wild pointer
  usb: dwc3: core: avoid Overflow events
  usb: gadget: composite: Test get_alt() presence instead of set_alt()
  USB: dummy-hcd: fix bug in stop_activity (handle ep0)
  USB: fix problems with duplicate endpoint addresses
  USB: gadgetfs: fix checks of wTotalLength in config descriptors
  USB: gadgetfs: fix use-after-free bug
  USB: gadgetfs: fix unbounded memory allocation bug
  usb: gadgetfs: restrict upper bound on device configuration size
  usb: storage: unusual_uas: Add JMicron JMS56x to unusual device
  usb: musb: dsps: implement clear_ep_rxintr() callback
  usb: musb: core: add clear_ep_rxintr() to musb_platform_ops
  KVM: MIPS: Flush KVM entry code from icache globally
  KVM: x86: reset MMU on KVM_SET_VCPU_EVENTS
  mac80211: initialize fast-xmit 'info' later
  ARM: davinci: da850: don't add emac clock to lookup table twice
  ALSA: usb-audio: Fix irq/process data synchronization
  ALSA: hda - Apply asus-mode8 fixup to ASUS X71SL
  ALSA: hda - Fix up GPIO for ASUS ROG Ranger
  Linux 4.4.41
  net: mvpp2: fix dma unmapping of TX buffers for fragments
  sg_write()/bsg_write() is not fit to be called under KERNEL_DS
  kconfig/nconf: Fix hang when editing symbol with a long prompt
  target/user: Fix use-after-free of tcmu_cmds if they are expired
  powerpc: Convert cmp to cmpd in idle enter sequence
  powerpc/ps3: Fix system hang with GCC 5 builds
  nfs_write_end(): fix handling of short copies
  libceph: verify authorize reply on connect
  PCI: Check for PME in targeted sleep state
  Input: drv260x - fix input device's parent assignment
  media: solo6x10: fix lockup by avoiding delayed register write
  IB/cma: Fix a race condition in iboe_addr_get_sgid()
  IB/multicast: Check ib_find_pkey() return value
  IPoIB: Avoid reading an uninitialized member variable
  IB/mad: Fix an array index check
  fgraph: Handle a case where a tracer ignores set_graph_notrace
  platform/x86: asus-nb-wmi.c: Add X45U quirk
  ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps to it
  kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF)
  KVM: PPC: Book3S HV: Don't lose hardware R/C bit updates in H_PROTECT
  KVM: PPC: Book3S HV: Save/restore XER in checkpointed register state
  md/raid5: limit request size according to implementation limits
  sc16is7xx: Drop bogus use of IRQF_ONESHOT
  s390/vmlogrdr: fix IUCV buffer allocation
  firmware: fix usermode helper fallback loading
  ARC: mm: arc700: Don't assume 2 colours for aliasing VIPT dcache
  scsi: avoid a permanent stop of the scsi device's request queue
  scsi: zfcp: fix rport unblock race with LUN recovery
  scsi: zfcp: do not trace pure benign residual HBA responses at default level
  scsi: zfcp: fix use-after-"free" in FC ingress path after TMF
  scsi: megaraid_sas: Do not set MPI2_TYPE_CUDA for JBOD FP path for FW which does not support JBOD sequence map
  scsi: megaraid_sas: For SRIOV enabled firmware, ensure VF driver waits for 30secs before reset
  vt: fix Scroll Lock LED trigger name
  block: protect iterate_bdevs() against concurrent close
  mei: request async autosuspend at the end of enumeration
  drivers/gpu/drm/ast: Fix infinite loop if read fails
  drm/gma500: Add compat ioctl
  drm/radeon: add additional pci revision to dpm workaround
  drm/radeon: Hide the HW cursor while it's out of bounds
  drm/radeon: Also call cursor_move_locked when the cursor size changes
  drm/nouveau/i2c/gk110b,gm10x: use the correct implementation
  drm/nouveau/fifo/gf100-: protect channel preempt with subdev mutex
  drm/nouveau/ltc: protect clearing of comptags with mutex
  drm/nouveau/bios: require checksum to match for fast acpi shadow method
  drm/nouveau/kms: lvds panel strap moved again on maxwell
  ACPI / video: Add force_native quirk for HP Pavilion dv6
  ACPI / video: Add force_native quirk for Dell XPS 17 L702X
  staging: comedi: ni_mio_common: fix E series ni_ai_insn_read() data
  staging: comedi: ni_mio_common: fix M Series ni_ai_insn_read() data mask
  thermal: hwmon: Properly report critical temperature in sysfs
  clk: bcm2835: Avoid overwriting the div info when disabling a pll_div clk
  timekeeping_Force_unsigned_clocksource_to_nanoseconds_conversion
  regulator: stw481x-vmmc: fix ages old enable error
  mmc: sdhci: Fix recovery from tuning timeout
  ath9k: Really fix LED polarity for some Mini PCI AR9220 MB92 cards.
  cfg80211/mac80211: fix BSS leaks when abandoning assoc attempts
  rtlwifi: Fix enter/exit power_save
  ssb: Fix error routine when fallback SPROM fails
  Linux 4.4.40
  ppp: defer netns reference release for ppp channel
  driver core: fix race between creating/querying glue dir and its cleanup
  xfs: set AGI buffer type in xlog_recover_clear_agi_bucket
  arm/xen: Use alloc_percpu rather than __alloc_percpu
  xen/gntdev: Use VM_MIXEDMAP instead of VM_IO to avoid NUMA balancing
  tpm xen: Remove bogus tpm_chip_unregister
  kernel/debug/debug_core.c: more properly delay for secondary CPUs
  kernel/watchdog: use nmi registers snapshot in hardlockup handler
  CIFS: Fix a possible memory corruption in push locks
  CIFS: Fix missing nls unload in smb2_reconnect()
  CIFS: Fix a possible memory corruption during reconnect
  ASoC: intel: Fix crash at suspend/resume without card registration
  dm space map metadata: fix 'struct sm_metadata' leak on failed create
  dm crypt: mark key as invalid until properly loaded
  dm flakey: return -EINVAL on interval bounds error in flakey_ctr()
  blk-mq: Do not invoke .queue_rq() for a stopped queue
  usb: gadget: composite: always set ep->mult to a sensible value
  exec: Ensure mm->user_ns contains the execed files
  fs: exec: apply CLOEXEC before changing dumpable task flags
  mm/vmscan.c: set correct defer count for shrinker
  loop: return proper error from loop_queue_rq()
  f2fs: set ->owner for debugfs status file's file_operations
  ext4: do not perform data journaling when data is encrypted
  ext4: return -ENOMEM instead of success
  ext4: reject inodes with negative size
  ext4: add sanity checking to count_overhead()
  ext4: fix in-superblock mount options processing
  ext4: use more strict checks for inodes_per_block on mount
  ext4: fix stack memory corruption with 64k block size
  ext4: fix mballoc breakage with 64k block size
  crypto: caam - fix AEAD givenc descriptors
  ptrace: Capture the ptracer's creds not PT_PTRACE_CAP
  mm: Add a user_ns owner to mm_struct and fix ptrace permission checks
  block_dev: don't test bdev->bd_contains when it is not stable
  btrfs: make file clone aware of fatal signals
  Btrfs: don't BUG() during drop snapshot
  Btrfs: fix memory leak in do_walk_down
  Btrfs: don't leak reloc root nodes on error
  Btrfs: return gracefully from balance if fs tree is corrupted
  Btrfs: bail out if block group has different mixed flag
  Btrfs: fix memory leak in reading btree blocks
  clk: ti: omap36xx: Work around sprz319 advisory 2.1
  ALSA: hda: when comparing pin configurations, ignore assoc in addition to seq
  ALSA: hda - Gate the mic jack on HP Z1 Gen3 AiO
  ALSA: hda - fix headset-mic problem on a Dell laptop
  ALSA: hda - ignore the assoc and seq when comparing pin configurations
  ALSA: hda/ca0132 - Add quirk for Alienware 15 R2 2016
  ALSA: hiface: Fix M2Tech hiFace driver sampling rate change
  ALSA: usb-audio: Add QuickCam Communicate Deluxe/S7500 to volume_control_quirks
  USB: UHCI: report non-PME wakeup signalling for Intel hardware
  usb: gadget: composite: correctly initialize ep->maxpacket
  usb: gadget: f_uac2: fix error handling at afunc_bind
  usb: hub: Fix auto-remount of safely removed or ejected USB-3 devices
  USB: cdc-acm: add device id for GW Instek AFG-125
  USB: serial: kl5kusb105: fix open error path
  USB: serial: option: add dlink dwm-158
  USB: serial: option: add support for Telit LE922A PIDs 0x1040, 0x1041
  Btrfs: fix qgroup rescan worker initialization
  btrfs: store and load values of stripes_min/stripes_max in balance status item
  Btrfs: fix tree search logic when replaying directory entry deletes
  btrfs: limit async_work allocation and worker func duration
  ANDROID: trace: net: use %pK for kernel pointers
  ANDROID: android-base: Enable QUOTA related configs
  net: ipv4: Don't crash if passing a null sk to ip_rt_update_pmtu.
  net: inet: Support UID-based routing in IP protocols.
  Revert "net: ipv6: fix virtual tunneling build"
  net: core: add UID to flows, rules, and routes
  net: core: Add a UID field to struct sock.
  Revert "net: core: Support UID-based routing."
  Revert "net: core: Handle 'sk' being NULL in UID-based routing"
  Revert "ANDROID: net: fix 'const' warnings"
  Revert "ANDROID: net: fib: remove duplicate assignment"
  Revert "ANDROID: net: core: fix UID-based routing"
  UPSTREAM: efi/arm64: Don't apply MEMBLOCK_NOMAP to UEFI memory map mapping
  UPSTREAM: arm64: enable CONFIG_DEBUG_RODATA by default
  goldfish: enable CONFIG_INET_DIAG_DESTROY
  sched/walt: kill {min,max}_capacity
  sched: fix wrong truncation of walt_avg
  ANDROID: dm verity: add minimum prefetch size
  Linux 4.4.39
  crypto: rsa - Add Makefile dependencies to fix parallel builds
  hotplug: Make register and unregister notifier API symmetric
  batman-adv: Check for alloc errors when preparing TT local data
  m68k: Fix ndelay() macro
  arm64: futex.h: Add missing PAN toggling
  can: peak: fix bad memory access and free sequence
  can: raw: raw_setsockopt: limit number of can_filter that can be set
  crypto: mcryptd - Check mcryptd algorithm compatibility
  perf/x86: Fix full width counter, counter overflow
  locking/rtmutex: Use READ_ONCE() in rt_mutex_owner()
  locking/rtmutex: Prevent dequeue vs. unlock race
  zram: restrict add/remove attributes to root only
  parisc: Fix TLB related boot crash on SMP machines
  parisc: Remove unnecessary TLB purges from flush_dcache_page_asm and flush_icache_page_asm
  parisc: Purge TLB before setting PTE
  powerpc/eeh: Fix deadlock when PE frozen state can't be cleared

Conflicts:
	arch/arm64/kernel/traps.c
	drivers/usb/dwc3/core.h
	drivers/usb/dwc3/ep0.c
	drivers/usb/gadget/function/f_fs.c
	drivers/usb/host/xhci-mem.c
	drivers/usb/host/xhci-ring.c
	drivers/usb/host/xhci.c
	drivers/video/fbdev/core/fbcmap.c
	include/trace/events/sched.h
	mm/vmscan.c

Change-Id: I3faa0010ecb98972cd8e6470377a493b56d95f89
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
2017-03-18 08:55:10 -07:00

1896 lines
54 KiB
C

/*
* Security plug functions
*
* Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
* Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/capability.h>
#include <linux/dcache.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/lsm_hooks.h>
#include <linux/integrity.h>
#include <linux/ima.h>
#include <linux/evm.h>
#include <linux/fsnotify.h>
#include <linux/mman.h>
#include <linux/mount.h>
#include <linux/personality.h>
#include <linux/backing-dev.h>
#include <net/flow.h>
#define MAX_LSM_EVM_XATTR 2
/* Maximum number of letters for an LSM name string */
#define SECURITY_NAME_MAX 10
/* Boot-time LSM user choice */
static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
CONFIG_DEFAULT_SECURITY;
static void __init do_security_initcalls(void)
{
initcall_t *call;
call = __security_initcall_start;
while (call < __security_initcall_end) {
(*call) ();
call++;
}
}
/**
* security_init - initializes the security framework
*
* This should be called early in the kernel initialization sequence.
*/
int __init security_init(void)
{
pr_info("Security Framework initialized\n");
/*
* Load minor LSMs, with the capability module always first.
*/
capability_add_hooks();
yama_add_hooks();
/*
* Load all the remaining security modules.
*/
do_security_initcalls();
return 0;
}
/* Save user chosen LSM */
static int __init choose_lsm(char *str)
{
strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
return 1;
}
__setup("security=", choose_lsm);
/**
* security_module_enable - Load given security module on boot ?
* @module: the name of the module
*
* Each LSM must pass this method before registering its own operations
* to avoid security registration races. This method may also be used
* to check if your LSM is currently loaded during kernel initialization.
*
* Return true if:
* -The passed LSM is the one chosen by user at boot time,
* -or the passed LSM is configured as the default and the user did not
* choose an alternate LSM at boot time.
* Otherwise, return false.
*/
int __init security_module_enable(const char *module)
{
return !strcmp(module, chosen_lsm);
}
/*
* Hook list operation macros.
*
* call_void_hook:
* This is a hook that does not return a value.
*
* call_int_hook:
* This is a hook that returns a value.
*/
#define call_void_hook(FUNC, ...) \
do { \
struct security_hook_list *P; \
\
list_for_each_entry(P, &security_hook_heads.FUNC, list) \
P->hook.FUNC(__VA_ARGS__); \
} while (0)
#define call_int_hook(FUNC, IRC, ...) ({ \
int RC = IRC; \
do { \
struct security_hook_list *P; \
\
list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
RC = P->hook.FUNC(__VA_ARGS__); \
if (RC != 0) \
break; \
} \
} while (0); \
RC; \
})
/* Security operations */
int security_binder_set_context_mgr(struct task_struct *mgr)
{
return call_int_hook(binder_set_context_mgr, 0, mgr);
}
int security_binder_transaction(struct task_struct *from,
struct task_struct *to)
{
return call_int_hook(binder_transaction, 0, from, to);
}
int security_binder_transfer_binder(struct task_struct *from,
struct task_struct *to)
{
return call_int_hook(binder_transfer_binder, 0, from, to);
}
int security_binder_transfer_file(struct task_struct *from,
struct task_struct *to, struct file *file)
{
return call_int_hook(binder_transfer_file, 0, from, to, file);
}
int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
{
return call_int_hook(ptrace_access_check, 0, child, mode);
}
int security_ptrace_traceme(struct task_struct *parent)
{
return call_int_hook(ptrace_traceme, 0, parent);
}
int security_capget(struct task_struct *target,
kernel_cap_t *effective,
kernel_cap_t *inheritable,
kernel_cap_t *permitted)
{
return call_int_hook(capget, 0, target,
effective, inheritable, permitted);
}
int security_capset(struct cred *new, const struct cred *old,
const kernel_cap_t *effective,
const kernel_cap_t *inheritable,
const kernel_cap_t *permitted)
{
return call_int_hook(capset, 0, new, old,
effective, inheritable, permitted);
}
int security_capable(const struct cred *cred, struct user_namespace *ns,
int cap)
{
return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
}
int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
int cap)
{
return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
}
int security_quotactl(int cmds, int type, int id, struct super_block *sb)
{
return call_int_hook(quotactl, 0, cmds, type, id, sb);
}
int security_quota_on(struct dentry *dentry)
{
return call_int_hook(quota_on, 0, dentry);
}
int security_syslog(int type)
{
return call_int_hook(syslog, 0, type);
}
int security_settime(const struct timespec *ts, const struct timezone *tz)
{
return call_int_hook(settime, 0, ts, tz);
}
int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
{
struct security_hook_list *hp;
int cap_sys_admin = 1;
int rc;
/*
* The module will respond with a positive value if
* it thinks the __vm_enough_memory() call should be
* made with the cap_sys_admin set. If all of the modules
* agree that it should be set it will. If any module
* thinks it should not be set it won't.
*/
list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
rc = hp->hook.vm_enough_memory(mm, pages);
if (rc <= 0) {
cap_sys_admin = 0;
break;
}
}
return __vm_enough_memory(mm, pages, cap_sys_admin);
}
int security_bprm_set_creds(struct linux_binprm *bprm)
{
return call_int_hook(bprm_set_creds, 0, bprm);
}
int security_bprm_check(struct linux_binprm *bprm)
{
int ret;
ret = call_int_hook(bprm_check_security, 0, bprm);
if (ret)
return ret;
return ima_bprm_check(bprm);
}
void security_bprm_committing_creds(struct linux_binprm *bprm)
{
call_void_hook(bprm_committing_creds, bprm);
}
void security_bprm_committed_creds(struct linux_binprm *bprm)
{
call_void_hook(bprm_committed_creds, bprm);
}
int security_bprm_secureexec(struct linux_binprm *bprm)
{
return call_int_hook(bprm_secureexec, 0, bprm);
}
int security_sb_alloc(struct super_block *sb)
{
return call_int_hook(sb_alloc_security, 0, sb);
}
void security_sb_free(struct super_block *sb)
{
call_void_hook(sb_free_security, sb);
}
int security_sb_copy_data(char *orig, char *copy)
{
return call_int_hook(sb_copy_data, 0, orig, copy);
}
EXPORT_SYMBOL(security_sb_copy_data);
int security_sb_remount(struct super_block *sb, void *data)
{
return call_int_hook(sb_remount, 0, sb, data);
}
int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
{
return call_int_hook(sb_kern_mount, 0, sb, flags, data);
}
int security_sb_show_options(struct seq_file *m, struct super_block *sb)
{
return call_int_hook(sb_show_options, 0, m, sb);
}
int security_sb_statfs(struct dentry *dentry)
{
return call_int_hook(sb_statfs, 0, dentry);
}
int security_sb_mount(const char *dev_name, struct path *path,
const char *type, unsigned long flags, void *data)
{
return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
}
int security_sb_umount(struct vfsmount *mnt, int flags)
{
return call_int_hook(sb_umount, 0, mnt, flags);
}
int security_sb_pivotroot(struct path *old_path, struct path *new_path)
{
return call_int_hook(sb_pivotroot, 0, old_path, new_path);
}
int security_sb_set_mnt_opts(struct super_block *sb,
struct security_mnt_opts *opts,
unsigned long kern_flags,
unsigned long *set_kern_flags)
{
return call_int_hook(sb_set_mnt_opts,
opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
opts, kern_flags, set_kern_flags);
}
EXPORT_SYMBOL(security_sb_set_mnt_opts);
int security_sb_clone_mnt_opts(const struct super_block *oldsb,
struct super_block *newsb)
{
return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
}
EXPORT_SYMBOL(security_sb_clone_mnt_opts);
int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
{
return call_int_hook(sb_parse_opts_str, 0, options, opts);
}
EXPORT_SYMBOL(security_sb_parse_opts_str);
int security_inode_alloc(struct inode *inode)
{
inode->i_security = NULL;
return call_int_hook(inode_alloc_security, 0, inode);
}
void security_inode_free(struct inode *inode)
{
integrity_inode_free(inode);
call_void_hook(inode_free_security, inode);
}
int security_dentry_init_security(struct dentry *dentry, int mode,
struct qstr *name, void **ctx,
u32 *ctxlen)
{
return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
name, ctx, ctxlen);
}
EXPORT_SYMBOL(security_dentry_init_security);
int security_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr,
const initxattrs initxattrs, void *fs_data)
{
struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
struct xattr *lsm_xattr, *evm_xattr, *xattr;
int ret;
if (unlikely(IS_PRIVATE(inode)))
return 0;
if (!initxattrs)
return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
dir, qstr, NULL, NULL, NULL);
memset(new_xattrs, 0, sizeof(new_xattrs));
lsm_xattr = new_xattrs;
ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
&lsm_xattr->name,
&lsm_xattr->value,
&lsm_xattr->value_len);
if (ret)
goto out;
evm_xattr = lsm_xattr + 1;
ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
if (ret)
goto out;
ret = initxattrs(inode, new_xattrs, fs_data);
out:
for (xattr = new_xattrs; xattr->value != NULL; xattr++)
kfree(xattr->value);
return (ret == -EOPNOTSUPP) ? 0 : ret;
}
EXPORT_SYMBOL(security_inode_init_security);
int security_old_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr, const char **name,
void **value, size_t *len)
{
if (unlikely(IS_PRIVATE(inode)))
return -EOPNOTSUPP;
return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
qstr, name, value, len);
}
EXPORT_SYMBOL(security_old_inode_init_security);
#ifdef CONFIG_SECURITY_PATH
int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
unsigned int dev)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
}
EXPORT_SYMBOL(security_path_mknod);
int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return call_int_hook(path_mkdir, 0, dir, dentry, mode);
}
EXPORT_SYMBOL(security_path_mkdir);
int security_path_rmdir(struct path *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return call_int_hook(path_rmdir, 0, dir, dentry);
}
int security_path_unlink(struct path *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return call_int_hook(path_unlink, 0, dir, dentry);
}
EXPORT_SYMBOL(security_path_unlink);
int security_path_symlink(struct path *dir, struct dentry *dentry,
const char *old_name)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return call_int_hook(path_symlink, 0, dir, dentry, old_name);
}
int security_path_link(struct dentry *old_dentry, struct path *new_dir,
struct dentry *new_dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
return 0;
return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
}
int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
struct path *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
(d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
return 0;
if (flags & RENAME_EXCHANGE) {
int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
old_dir, old_dentry);
if (err)
return err;
}
return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
new_dentry);
}
EXPORT_SYMBOL(security_path_rename);
int security_path_truncate(struct path *path)
{
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
return call_int_hook(path_truncate, 0, path);
}
int security_path_chmod(struct path *path, umode_t mode)
{
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
return call_int_hook(path_chmod, 0, path, mode);
}
int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
{
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
return call_int_hook(path_chown, 0, path, uid, gid);
}
EXPORT_SYMBOL(security_path_chown);
int security_path_chroot(struct path *path)
{
return call_int_hook(path_chroot, 0, path);
}
#endif
int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
return call_int_hook(inode_create, 0, dir, dentry, mode);
}
EXPORT_SYMBOL_GPL(security_inode_create);
int security_inode_post_create(struct inode *dir, struct dentry *dentry,
umode_t mode)
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
return call_int_hook(inode_post_create, 0, dir, dentry, mode);
}
int security_inode_link(struct dentry *old_dentry, struct inode *dir,
struct dentry *new_dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
return 0;
return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
}
int security_inode_unlink(struct inode *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return call_int_hook(inode_unlink, 0, dir, dentry);
}
int security_inode_symlink(struct inode *dir, struct dentry *dentry,
const char *old_name)
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
}
int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
}
EXPORT_SYMBOL_GPL(security_inode_mkdir);
int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return call_int_hook(inode_rmdir, 0, dir, dentry);
}
int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
}
int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
(d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
return 0;
if (flags & RENAME_EXCHANGE) {
int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
old_dir, old_dentry);
if (err)
return err;
}
return call_int_hook(inode_rename, 0, old_dir, old_dentry,
new_dir, new_dentry);
}
int security_inode_readlink(struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return call_int_hook(inode_readlink, 0, dentry);
}
int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
bool rcu)
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
}
int security_inode_permission(struct inode *inode, int mask)
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
return call_int_hook(inode_permission, 0, inode, mask);
}
int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
{
int ret;
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
ret = call_int_hook(inode_setattr, 0, dentry, attr);
if (ret)
return ret;
return evm_inode_setattr(dentry, attr);
}
EXPORT_SYMBOL_GPL(security_inode_setattr);
int security_inode_getattr(const struct path *path)
{
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
return call_int_hook(inode_getattr, 0, path);
}
int security_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
int ret;
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
/*
* SELinux and Smack integrate the cap call,
* so assume that all LSMs supplying this call do so.
*/
ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
flags);
if (ret == 1)
ret = cap_inode_setxattr(dentry, name, value, size, flags);
if (ret)
return ret;
ret = ima_inode_setxattr(dentry, name, value, size);
if (ret)
return ret;
return evm_inode_setxattr(dentry, name, value, size);
}
void security_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return;
call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
evm_inode_post_setxattr(dentry, name, value, size);
}
int security_inode_getxattr(struct dentry *dentry, const char *name)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return call_int_hook(inode_getxattr, 0, dentry, name);
}
int security_inode_listxattr(struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return call_int_hook(inode_listxattr, 0, dentry);
}
int security_inode_removexattr(struct dentry *dentry, const char *name)
{
int ret;
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
/*
* SELinux and Smack integrate the cap call,
* so assume that all LSMs supplying this call do so.
*/
ret = call_int_hook(inode_removexattr, 1, dentry, name);
if (ret == 1)
ret = cap_inode_removexattr(dentry, name);
if (ret)
return ret;
ret = ima_inode_removexattr(dentry, name);
if (ret)
return ret;
return evm_inode_removexattr(dentry, name);
}
int security_inode_need_killpriv(struct dentry *dentry)
{
return call_int_hook(inode_need_killpriv, 0, dentry);
}
int security_inode_killpriv(struct dentry *dentry)
{
return call_int_hook(inode_killpriv, 0, dentry);
}
int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
{
if (unlikely(IS_PRIVATE(inode)))
return -EOPNOTSUPP;
return call_int_hook(inode_getsecurity, -EOPNOTSUPP, inode, name,
buffer, alloc);
}
int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
{
if (unlikely(IS_PRIVATE(inode)))
return -EOPNOTSUPP;
return call_int_hook(inode_setsecurity, -EOPNOTSUPP, inode, name,
value, size, flags);
}
int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
}
EXPORT_SYMBOL(security_inode_listsecurity);
void security_inode_getsecid(const struct inode *inode, u32 *secid)
{
call_void_hook(inode_getsecid, inode, secid);
}
int security_file_permission(struct file *file, int mask)
{
int ret;
ret = call_int_hook(file_permission, 0, file, mask);
if (ret)
return ret;
return fsnotify_perm(file, mask);
}
int security_file_alloc(struct file *file)
{
return call_int_hook(file_alloc_security, 0, file);
}
void security_file_free(struct file *file)
{
call_void_hook(file_free_security, file);
}
int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
return call_int_hook(file_ioctl, 0, file, cmd, arg);
}
static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
{
/*
* Does we have PROT_READ and does the application expect
* it to imply PROT_EXEC? If not, nothing to talk about...
*/
if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
return prot;
if (!(current->personality & READ_IMPLIES_EXEC))
return prot;
/*
* if that's an anonymous mapping, let it.
*/
if (!file)
return prot | PROT_EXEC;
/*
* ditto if it's not on noexec mount, except that on !MMU we need
* NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
*/
if (!path_noexec(&file->f_path)) {
#ifndef CONFIG_MMU
if (file->f_op->mmap_capabilities) {
unsigned caps = file->f_op->mmap_capabilities(file);
if (!(caps & NOMMU_MAP_EXEC))
return prot;
}
#endif
return prot | PROT_EXEC;
}
/* anything on noexec mount won't get PROT_EXEC */
return prot;
}
int security_mmap_file(struct file *file, unsigned long prot,
unsigned long flags)
{
int ret;
ret = call_int_hook(mmap_file, 0, file, prot,
mmap_prot(file, prot), flags);
if (ret)
return ret;
return ima_file_mmap(file, prot);
}
int security_mmap_addr(unsigned long addr)
{
return call_int_hook(mmap_addr, 0, addr);
}
int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
unsigned long prot)
{
return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
}
int security_file_lock(struct file *file, unsigned int cmd)
{
return call_int_hook(file_lock, 0, file, cmd);
}
int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
{
return call_int_hook(file_fcntl, 0, file, cmd, arg);
}
void security_file_set_fowner(struct file *file)
{
call_void_hook(file_set_fowner, file);
}
int security_file_send_sigiotask(struct task_struct *tsk,
struct fown_struct *fown, int sig)
{
return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
}
int security_file_receive(struct file *file)
{
return call_int_hook(file_receive, 0, file);
}
int security_file_open(struct file *file, const struct cred *cred)
{
int ret;
ret = call_int_hook(file_open, 0, file, cred);
if (ret)
return ret;
return fsnotify_perm(file, MAY_OPEN);
}
int security_task_create(unsigned long clone_flags)
{
return call_int_hook(task_create, 0, clone_flags);
}
void security_task_free(struct task_struct *task)
{
call_void_hook(task_free, task);
}
int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
{
return call_int_hook(cred_alloc_blank, 0, cred, gfp);
}
void security_cred_free(struct cred *cred)
{
call_void_hook(cred_free, cred);
}
int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
{
return call_int_hook(cred_prepare, 0, new, old, gfp);
}
void security_transfer_creds(struct cred *new, const struct cred *old)
{
call_void_hook(cred_transfer, new, old);
}
int security_kernel_act_as(struct cred *new, u32 secid)
{
return call_int_hook(kernel_act_as, 0, new, secid);
}
int security_kernel_create_files_as(struct cred *new, struct inode *inode)
{
return call_int_hook(kernel_create_files_as, 0, new, inode);
}
int security_kernel_fw_from_file(struct file *file, char *buf, size_t size)
{
int ret;
ret = call_int_hook(kernel_fw_from_file, 0, file, buf, size);
if (ret)
return ret;
return ima_fw_from_file(file, buf, size);
}
EXPORT_SYMBOL_GPL(security_kernel_fw_from_file);
int security_kernel_module_request(char *kmod_name)
{
return call_int_hook(kernel_module_request, 0, kmod_name);
}
int security_kernel_module_from_file(struct file *file)
{
int ret;
ret = call_int_hook(kernel_module_from_file, 0, file);
if (ret)
return ret;
return ima_module_check(file);
}
int security_task_fix_setuid(struct cred *new, const struct cred *old,
int flags)
{
return call_int_hook(task_fix_setuid, 0, new, old, flags);
}
int security_task_setpgid(struct task_struct *p, pid_t pgid)
{
return call_int_hook(task_setpgid, 0, p, pgid);
}
int security_task_getpgid(struct task_struct *p)
{
return call_int_hook(task_getpgid, 0, p);
}
int security_task_getsid(struct task_struct *p)
{
return call_int_hook(task_getsid, 0, p);
}
void security_task_getsecid(struct task_struct *p, u32 *secid)
{
*secid = 0;
call_void_hook(task_getsecid, p, secid);
}
EXPORT_SYMBOL(security_task_getsecid);
int security_task_setnice(struct task_struct *p, int nice)
{
return call_int_hook(task_setnice, 0, p, nice);
}
int security_task_setioprio(struct task_struct *p, int ioprio)
{
return call_int_hook(task_setioprio, 0, p, ioprio);
}
int security_task_getioprio(struct task_struct *p)
{
return call_int_hook(task_getioprio, 0, p);
}
int security_task_setrlimit(struct task_struct *p, unsigned int resource,
struct rlimit *new_rlim)
{
return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
}
int security_task_setscheduler(struct task_struct *p)
{
return call_int_hook(task_setscheduler, 0, p);
}
int security_task_getscheduler(struct task_struct *p)
{
return call_int_hook(task_getscheduler, 0, p);
}
int security_task_movememory(struct task_struct *p)
{
return call_int_hook(task_movememory, 0, p);
}
int security_task_kill(struct task_struct *p, struct siginfo *info,
int sig, u32 secid)
{
return call_int_hook(task_kill, 0, p, info, sig, secid);
}
int security_task_wait(struct task_struct *p)
{
return call_int_hook(task_wait, 0, p);
}
int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
unsigned long arg4, unsigned long arg5)
{
int thisrc;
int rc = -ENOSYS;
struct security_hook_list *hp;
list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
if (thisrc != -ENOSYS) {
rc = thisrc;
if (thisrc != 0)
break;
}
}
return rc;
}
void security_task_to_inode(struct task_struct *p, struct inode *inode)
{
call_void_hook(task_to_inode, p, inode);
}
int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
{
return call_int_hook(ipc_permission, 0, ipcp, flag);
}
void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
{
*secid = 0;
call_void_hook(ipc_getsecid, ipcp, secid);
}
int security_msg_msg_alloc(struct msg_msg *msg)
{
return call_int_hook(msg_msg_alloc_security, 0, msg);
}
void security_msg_msg_free(struct msg_msg *msg)
{
call_void_hook(msg_msg_free_security, msg);
}
int security_msg_queue_alloc(struct msg_queue *msq)
{
return call_int_hook(msg_queue_alloc_security, 0, msq);
}
void security_msg_queue_free(struct msg_queue *msq)
{
call_void_hook(msg_queue_free_security, msq);
}
int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
{
return call_int_hook(msg_queue_associate, 0, msq, msqflg);
}
int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
{
return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
}
int security_msg_queue_msgsnd(struct msg_queue *msq,
struct msg_msg *msg, int msqflg)
{
return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
}
int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
struct task_struct *target, long type, int mode)
{
return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
}
int security_shm_alloc(struct shmid_kernel *shp)
{
return call_int_hook(shm_alloc_security, 0, shp);
}
void security_shm_free(struct shmid_kernel *shp)
{
call_void_hook(shm_free_security, shp);
}
int security_shm_associate(struct shmid_kernel *shp, int shmflg)
{
return call_int_hook(shm_associate, 0, shp, shmflg);
}
int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
{
return call_int_hook(shm_shmctl, 0, shp, cmd);
}
int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
{
return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
}
int security_sem_alloc(struct sem_array *sma)
{
return call_int_hook(sem_alloc_security, 0, sma);
}
void security_sem_free(struct sem_array *sma)
{
call_void_hook(sem_free_security, sma);
}
int security_sem_associate(struct sem_array *sma, int semflg)
{
return call_int_hook(sem_associate, 0, sma, semflg);
}
int security_sem_semctl(struct sem_array *sma, int cmd)
{
return call_int_hook(sem_semctl, 0, sma, cmd);
}
int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
unsigned nsops, int alter)
{
return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
}
void security_d_instantiate(struct dentry *dentry, struct inode *inode)
{
if (unlikely(inode && IS_PRIVATE(inode)))
return;
call_void_hook(d_instantiate, dentry, inode);
}
EXPORT_SYMBOL(security_d_instantiate);
int security_getprocattr(struct task_struct *p, char *name, char **value)
{
return call_int_hook(getprocattr, -EINVAL, p, name, value);
}
int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
{
return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
}
int security_netlink_send(struct sock *sk, struct sk_buff *skb)
{
return call_int_hook(netlink_send, 0, sk, skb);
}
int security_ismaclabel(const char *name)
{
return call_int_hook(ismaclabel, 0, name);
}
EXPORT_SYMBOL(security_ismaclabel);
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
seclen);
}
EXPORT_SYMBOL(security_secid_to_secctx);
int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
{
*secid = 0;
return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
}
EXPORT_SYMBOL(security_secctx_to_secid);
void security_release_secctx(char *secdata, u32 seclen)
{
call_void_hook(release_secctx, secdata, seclen);
}
EXPORT_SYMBOL(security_release_secctx);
int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
{
return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
}
EXPORT_SYMBOL(security_inode_notifysecctx);
int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
{
return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
}
EXPORT_SYMBOL(security_inode_setsecctx);
int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
{
return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
}
EXPORT_SYMBOL(security_inode_getsecctx);
#ifdef CONFIG_SECURITY_NETWORK
int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
{
return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
}
EXPORT_SYMBOL(security_unix_stream_connect);
int security_unix_may_send(struct socket *sock, struct socket *other)
{
return call_int_hook(unix_may_send, 0, sock, other);
}
EXPORT_SYMBOL(security_unix_may_send);
int security_socket_create(int family, int type, int protocol, int kern)
{
return call_int_hook(socket_create, 0, family, type, protocol, kern);
}
int security_socket_post_create(struct socket *sock, int family,
int type, int protocol, int kern)
{
return call_int_hook(socket_post_create, 0, sock, family, type,
protocol, kern);
}
int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
{
return call_int_hook(socket_bind, 0, sock, address, addrlen);
}
int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
{
return call_int_hook(socket_connect, 0, sock, address, addrlen);
}
int security_socket_listen(struct socket *sock, int backlog)
{
return call_int_hook(socket_listen, 0, sock, backlog);
}
int security_socket_accept(struct socket *sock, struct socket *newsock)
{
return call_int_hook(socket_accept, 0, sock, newsock);
}
int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
{
return call_int_hook(socket_sendmsg, 0, sock, msg, size);
}
int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
int size, int flags)
{
return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
}
int security_socket_getsockname(struct socket *sock)
{
return call_int_hook(socket_getsockname, 0, sock);
}
int security_socket_getpeername(struct socket *sock)
{
return call_int_hook(socket_getpeername, 0, sock);
}
int security_socket_getsockopt(struct socket *sock, int level, int optname)
{
return call_int_hook(socket_getsockopt, 0, sock, level, optname);
}
int security_socket_setsockopt(struct socket *sock, int level, int optname)
{
return call_int_hook(socket_setsockopt, 0, sock, level, optname);
}
int security_socket_shutdown(struct socket *sock, int how)
{
return call_int_hook(socket_shutdown, 0, sock, how);
}
int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
}
EXPORT_SYMBOL(security_sock_rcv_skb);
int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
int __user *optlen, unsigned len)
{
return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
optval, optlen, len);
}
int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
{
return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
skb, secid);
}
EXPORT_SYMBOL(security_socket_getpeersec_dgram);
int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
{
return call_int_hook(sk_alloc_security, 0, sk, family, priority);
}
void security_sk_free(struct sock *sk)
{
call_void_hook(sk_free_security, sk);
}
void security_sk_clone(const struct sock *sk, struct sock *newsk)
{
call_void_hook(sk_clone_security, sk, newsk);
}
EXPORT_SYMBOL(security_sk_clone);
void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
{
call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
}
EXPORT_SYMBOL(security_sk_classify_flow);
void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
{
call_void_hook(req_classify_flow, req, fl);
}
EXPORT_SYMBOL(security_req_classify_flow);
void security_sock_graft(struct sock *sk, struct socket *parent)
{
call_void_hook(sock_graft, sk, parent);
}
EXPORT_SYMBOL(security_sock_graft);
int security_inet_conn_request(struct sock *sk,
struct sk_buff *skb, struct request_sock *req)
{
return call_int_hook(inet_conn_request, 0, sk, skb, req);
}
EXPORT_SYMBOL(security_inet_conn_request);
void security_inet_csk_clone(struct sock *newsk,
const struct request_sock *req)
{
call_void_hook(inet_csk_clone, newsk, req);
}
void security_inet_conn_established(struct sock *sk,
struct sk_buff *skb)
{
call_void_hook(inet_conn_established, sk, skb);
}
int security_secmark_relabel_packet(u32 secid)
{
return call_int_hook(secmark_relabel_packet, 0, secid);
}
EXPORT_SYMBOL(security_secmark_relabel_packet);
void security_secmark_refcount_inc(void)
{
call_void_hook(secmark_refcount_inc);
}
EXPORT_SYMBOL(security_secmark_refcount_inc);
void security_secmark_refcount_dec(void)
{
call_void_hook(secmark_refcount_dec);
}
EXPORT_SYMBOL(security_secmark_refcount_dec);
int security_tun_dev_alloc_security(void **security)
{
return call_int_hook(tun_dev_alloc_security, 0, security);
}
EXPORT_SYMBOL(security_tun_dev_alloc_security);
void security_tun_dev_free_security(void *security)
{
call_void_hook(tun_dev_free_security, security);
}
EXPORT_SYMBOL(security_tun_dev_free_security);
int security_tun_dev_create(void)
{
return call_int_hook(tun_dev_create, 0);
}
EXPORT_SYMBOL(security_tun_dev_create);
int security_tun_dev_attach_queue(void *security)
{
return call_int_hook(tun_dev_attach_queue, 0, security);
}
EXPORT_SYMBOL(security_tun_dev_attach_queue);
int security_tun_dev_attach(struct sock *sk, void *security)
{
return call_int_hook(tun_dev_attach, 0, sk, security);
}
EXPORT_SYMBOL(security_tun_dev_attach);
int security_tun_dev_open(void *security)
{
return call_int_hook(tun_dev_open, 0, security);
}
EXPORT_SYMBOL(security_tun_dev_open);
#endif /* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
struct xfrm_user_sec_ctx *sec_ctx,
gfp_t gfp)
{
return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
}
EXPORT_SYMBOL(security_xfrm_policy_alloc);
int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
struct xfrm_sec_ctx **new_ctxp)
{
return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
}
void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
{
call_void_hook(xfrm_policy_free_security, ctx);
}
EXPORT_SYMBOL(security_xfrm_policy_free);
int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
{
return call_int_hook(xfrm_policy_delete_security, 0, ctx);
}
int security_xfrm_state_alloc(struct xfrm_state *x,
struct xfrm_user_sec_ctx *sec_ctx)
{
return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
}
EXPORT_SYMBOL(security_xfrm_state_alloc);
int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
struct xfrm_sec_ctx *polsec, u32 secid)
{
return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
}
int security_xfrm_state_delete(struct xfrm_state *x)
{
return call_int_hook(xfrm_state_delete_security, 0, x);
}
EXPORT_SYMBOL(security_xfrm_state_delete);
void security_xfrm_state_free(struct xfrm_state *x)
{
call_void_hook(xfrm_state_free_security, x);
}
int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
{
return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
}
int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
struct xfrm_policy *xp,
const struct flowi *fl)
{
struct security_hook_list *hp;
int rc = 1;
/*
* Since this function is expected to return 0 or 1, the judgment
* becomes difficult if multiple LSMs supply this call. Fortunately,
* we can use the first LSM's judgment because currently only SELinux
* supplies this call.
*
* For speed optimization, we explicitly break the loop rather than
* using the macro
*/
list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
list) {
rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
break;
}
return rc;
}
int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
{
return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
}
void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
{
int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
0);
BUG_ON(rc);
}
EXPORT_SYMBOL(security_skb_classify_flow);
#endif /* CONFIG_SECURITY_NETWORK_XFRM */
#ifdef CONFIG_KEYS
int security_key_alloc(struct key *key, const struct cred *cred,
unsigned long flags)
{
return call_int_hook(key_alloc, 0, key, cred, flags);
}
void security_key_free(struct key *key)
{
call_void_hook(key_free, key);
}
int security_key_permission(key_ref_t key_ref,
const struct cred *cred, unsigned perm)
{
return call_int_hook(key_permission, 0, key_ref, cred, perm);
}
int security_key_getsecurity(struct key *key, char **_buffer)
{
*_buffer = NULL;
return call_int_hook(key_getsecurity, 0, key, _buffer);
}
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
{
return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
}
int security_audit_rule_known(struct audit_krule *krule)
{
return call_int_hook(audit_rule_known, 0, krule);
}
void security_audit_rule_free(void *lsmrule)
{
call_void_hook(audit_rule_free, lsmrule);
}
int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
struct audit_context *actx)
{
return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
actx);
}
#endif /* CONFIG_AUDIT */
struct security_hook_heads security_hook_heads = {
.binder_set_context_mgr =
LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
.binder_transaction =
LIST_HEAD_INIT(security_hook_heads.binder_transaction),
.binder_transfer_binder =
LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
.binder_transfer_file =
LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
.ptrace_access_check =
LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
.ptrace_traceme =
LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
.capget = LIST_HEAD_INIT(security_hook_heads.capget),
.capset = LIST_HEAD_INIT(security_hook_heads.capset),
.capable = LIST_HEAD_INIT(security_hook_heads.capable),
.quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl),
.quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on),
.syslog = LIST_HEAD_INIT(security_hook_heads.syslog),
.settime = LIST_HEAD_INIT(security_hook_heads.settime),
.vm_enough_memory =
LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
.bprm_set_creds =
LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
.bprm_check_security =
LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
.bprm_secureexec =
LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
.bprm_committing_creds =
LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
.bprm_committed_creds =
LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
.sb_alloc_security =
LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
.sb_free_security =
LIST_HEAD_INIT(security_hook_heads.sb_free_security),
.sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
.sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount),
.sb_kern_mount =
LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
.sb_show_options =
LIST_HEAD_INIT(security_hook_heads.sb_show_options),
.sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs),
.sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount),
.sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount),
.sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
.sb_set_mnt_opts =
LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
.sb_clone_mnt_opts =
LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
.sb_parse_opts_str =
LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
.dentry_init_security =
LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
#ifdef CONFIG_SECURITY_PATH
.path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink),
.path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir),
.path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir),
.path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod),
.path_truncate =
LIST_HEAD_INIT(security_hook_heads.path_truncate),
.path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
.path_link = LIST_HEAD_INIT(security_hook_heads.path_link),
.path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename),
.path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod),
.path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown),
.path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot),
#endif
.inode_alloc_security =
LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
.inode_free_security =
LIST_HEAD_INIT(security_hook_heads.inode_free_security),
.inode_init_security =
LIST_HEAD_INIT(security_hook_heads.inode_init_security),
.inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
.inode_post_create = LIST_HEAD_INIT(security_hook_heads.inode_post_create),
.inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link),
.inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
.inode_symlink =
LIST_HEAD_INIT(security_hook_heads.inode_symlink),
.inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
.inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
.inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod),
.inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
.inode_readlink =
LIST_HEAD_INIT(security_hook_heads.inode_readlink),
.inode_follow_link =
LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
.inode_permission =
LIST_HEAD_INIT(security_hook_heads.inode_permission),
.inode_setattr =
LIST_HEAD_INIT(security_hook_heads.inode_setattr),
.inode_getattr =
LIST_HEAD_INIT(security_hook_heads.inode_getattr),
.inode_setxattr =
LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
.inode_post_setxattr =
LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
.inode_getxattr =
LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
.inode_listxattr =
LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
.inode_removexattr =
LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
.inode_need_killpriv =
LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
.inode_killpriv =
LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
.inode_getsecurity =
LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
.inode_setsecurity =
LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
.inode_listsecurity =
LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
.inode_getsecid =
LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
.file_permission =
LIST_HEAD_INIT(security_hook_heads.file_permission),
.file_alloc_security =
LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
.file_free_security =
LIST_HEAD_INIT(security_hook_heads.file_free_security),
.file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl),
.mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr),
.mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file),
.file_mprotect =
LIST_HEAD_INIT(security_hook_heads.file_mprotect),
.file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock),
.file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl),
.file_set_fowner =
LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
.file_send_sigiotask =
LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
.file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
.file_open = LIST_HEAD_INIT(security_hook_heads.file_open),
.file_close = LIST_HEAD_INIT(security_hook_heads.file_close),
.task_create = LIST_HEAD_INIT(security_hook_heads.task_create),
.task_free = LIST_HEAD_INIT(security_hook_heads.task_free),
.cred_alloc_blank =
LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
.cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free),
.cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
.cred_transfer =
LIST_HEAD_INIT(security_hook_heads.cred_transfer),
.kernel_act_as =
LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
.kernel_create_files_as =
LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
.kernel_fw_from_file =
LIST_HEAD_INIT(security_hook_heads.kernel_fw_from_file),
.kernel_module_request =
LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
.kernel_module_from_file =
LIST_HEAD_INIT(security_hook_heads.kernel_module_from_file),
.task_fix_setuid =
LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
.task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
.task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
.task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid),
.task_getsecid =
LIST_HEAD_INIT(security_hook_heads.task_getsecid),
.task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
.task_setioprio =
LIST_HEAD_INIT(security_hook_heads.task_setioprio),
.task_getioprio =
LIST_HEAD_INIT(security_hook_heads.task_getioprio),
.task_setrlimit =
LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
.task_setscheduler =
LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
.task_getscheduler =
LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
.task_movememory =
LIST_HEAD_INIT(security_hook_heads.task_movememory),
.task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill),
.task_wait = LIST_HEAD_INIT(security_hook_heads.task_wait),
.task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl),
.task_to_inode =
LIST_HEAD_INIT(security_hook_heads.task_to_inode),
.ipc_permission =
LIST_HEAD_INIT(security_hook_heads.ipc_permission),
.ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
.msg_msg_alloc_security =
LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
.msg_msg_free_security =
LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
.msg_queue_alloc_security =
LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
.msg_queue_free_security =
LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
.msg_queue_associate =
LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
.msg_queue_msgctl =
LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
.msg_queue_msgsnd =
LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
.msg_queue_msgrcv =
LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
.shm_alloc_security =
LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
.shm_free_security =
LIST_HEAD_INIT(security_hook_heads.shm_free_security),
.shm_associate =
LIST_HEAD_INIT(security_hook_heads.shm_associate),
.shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
.shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat),
.sem_alloc_security =
LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
.sem_free_security =
LIST_HEAD_INIT(security_hook_heads.sem_free_security),
.sem_associate =
LIST_HEAD_INIT(security_hook_heads.sem_associate),
.sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl),
.sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop),
.netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
.d_instantiate =
LIST_HEAD_INIT(security_hook_heads.d_instantiate),
.getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr),
.setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr),
.ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel),
.secid_to_secctx =
LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
.secctx_to_secid =
LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
.release_secctx =
LIST_HEAD_INIT(security_hook_heads.release_secctx),
.inode_notifysecctx =
LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
.inode_setsecctx =
LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
.inode_getsecctx =
LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
#ifdef CONFIG_SECURITY_NETWORK
.unix_stream_connect =
LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
.unix_may_send =
LIST_HEAD_INIT(security_hook_heads.unix_may_send),
.socket_create =
LIST_HEAD_INIT(security_hook_heads.socket_create),
.socket_post_create =
LIST_HEAD_INIT(security_hook_heads.socket_post_create),
.socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind),
.socket_connect =
LIST_HEAD_INIT(security_hook_heads.socket_connect),
.socket_listen =
LIST_HEAD_INIT(security_hook_heads.socket_listen),
.socket_accept =
LIST_HEAD_INIT(security_hook_heads.socket_accept),
.socket_sendmsg =
LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
.socket_recvmsg =
LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
.socket_getsockname =
LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
.socket_getpeername =
LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
.socket_getsockopt =
LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
.socket_setsockopt =
LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
.socket_shutdown =
LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
.socket_sock_rcv_skb =
LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
.socket_getpeersec_stream =
LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
.socket_getpeersec_dgram =
LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
.sk_alloc_security =
LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
.sk_free_security =
LIST_HEAD_INIT(security_hook_heads.sk_free_security),
.sk_clone_security =
LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
.sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
.sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft),
.inet_conn_request =
LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
.inet_csk_clone =
LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
.inet_conn_established =
LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
.secmark_relabel_packet =
LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
.secmark_refcount_inc =
LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
.secmark_refcount_dec =
LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
.req_classify_flow =
LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
.tun_dev_alloc_security =
LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
.tun_dev_free_security =
LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
.tun_dev_create =
LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
.tun_dev_attach_queue =
LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
.tun_dev_attach =
LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
.tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
.skb_owned_by = LIST_HEAD_INIT(security_hook_heads.skb_owned_by),
#endif /* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
.xfrm_policy_alloc_security =
LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
.xfrm_policy_clone_security =
LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
.xfrm_policy_free_security =
LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
.xfrm_policy_delete_security =
LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
.xfrm_state_alloc =
LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
.xfrm_state_alloc_acquire =
LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
.xfrm_state_free_security =
LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
.xfrm_state_delete_security =
LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
.xfrm_policy_lookup =
LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
.xfrm_state_pol_flow_match =
LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
.xfrm_decode_session =
LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
#endif /* CONFIG_SECURITY_NETWORK_XFRM */
#ifdef CONFIG_KEYS
.key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc),
.key_free = LIST_HEAD_INIT(security_hook_heads.key_free),
.key_permission =
LIST_HEAD_INIT(security_hook_heads.key_permission),
.key_getsecurity =
LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
.audit_rule_init =
LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
.audit_rule_known =
LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
.audit_rule_match =
LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
.audit_rule_free =
LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
#endif /* CONFIG_AUDIT */
};