megha.dey@linux.intel.com 4362533a04 crypto: x86/sha1 - Fix reads beyond the number of blocks passed ... commit 8861249c740fc4af9ddc5aee321eafefb960d7c6 upstream. It was reported that the sha1 AVX2 function(sha1_transform_avx2) is reading ahead beyond its intended data, and causing a crash if the next block is beyond page boundary: http://marc.info/?l=linux-crypto-vger&m=149373371023377 This patch makes sure that there is no overflow for any buffer length. It passes the tests written by Jan Stancek that revealed this problem: https://github.com/jstancek/sha1-avx2-crash I have re-enabled sha1-avx2 by reverting commit b82ce24426a4071da9529d726057e4e642948667 Fixes: b82ce24426a4 ("crypto: sha1-ssse3 - Disable avx2") Originally-by: Ilya Albrekht <ilya.albrekht@intel.com> Tested-by: Jan Stancek <jstancek@redhat.com> Signed-off-by: Megha Dey <megha.dey@linux.intel.com> Reported-by: Jan Stancek <jstancek@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2017-08-24 17:02:35 -07:00
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alpha	osf_wait4(): fix infoleak	2017-05-25 14:30:17 +02:00
arc	mm: larger stack guard gap, between vmas	2017-06-26 07:13:11 +02:00
arm	KVM: arm/arm64: Handle hva aging while destroying the vm	2017-08-12 19:29:09 -07:00
arm64	arm64: mm: fix show_pte KERN_CONT fallout	2017-08-06 19:19:46 -07:00
avr32	avr32: off by one in at32_init_pio()	2016-10-07 15:23:45 +02:00
blackfin	net: smc91x: fix SMC accesses	2016-09-30 10:18:37 +02:00
c6x	c6x/ptrace: Remove useless PTRACE_SETREGSET implementation	2017-03-31 09:49:53 +02:00
cris	cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected	2017-01-12 11:22:48 +01:00
frv	mm: larger stack guard gap, between vmas	2017-06-26 07:13:11 +02:00
h8300	h8300/ptrace: Fix incorrect register transfer count	2017-03-31 09:49:53 +02:00
hexagon	hexagon: fix strncpy_from_user() error return	2016-09-24 10:07:44 +02:00
ia64	ia64: copy_from_user() should zero the destination on access_ok() failure	2016-09-24 10:07:46 +02:00
m32r	m32r: fix __get_user()	2016-09-24 10:07:43 +02:00
m68k	m68k: Fix ndelay() macro	2016-12-15 08:49:23 -08:00
metag	metag/uaccess: Check access_ok in strncpy_from_user	2017-05-25 14:30:16 +02:00
microblaze	microblaze: fix copy_from_user()	2016-09-24 10:07:43 +02:00
mips	MIPS: Fix a typo: s/preset/present/ in r2-to-r6 emulation error message	2017-07-27 15:06:08 -07:00
mn10300	mn10300: copy_from_user() should zero on access_ok() failure...	2016-09-24 10:07:45 +02:00
nios2	nios2: reserve boot memory for device tree	2017-04-12 12:38:34 +02:00
openrisc	openrisc: Add _text symbol to fix ksym build error	2017-08-06 19:19:45 -07:00
parisc	parisc/mm: Ensure IRQs are off in switch_mm()	2017-07-21 07:44:56 +02:00
powerpc	Revert "powerpc/numa: Fix percpu allocations to be NUMA aware"	2017-08-06 19:19:40 -07:00
s390	bpf, s390: fix jit branch offset related to ldimm64	2017-08-12 19:29:08 -07:00
score	score: fix copy_from_user() and friends	2016-09-24 10:07:44 +02:00
sh	mm: larger stack guard gap, between vmas	2017-06-26 07:13:11 +02:00
sparc	sparc64: Prevent perf from running during super critical sections	2017-08-12 19:29:09 -07:00
tile	mm: larger stack guard gap, between vmas	2017-06-26 07:13:11 +02:00
um	um: Don't discard .text.exit section	2016-09-07 08:32:38 +02:00
unicore32	pwm: Changes for v4.4-rc1	2015-11-11 09:16:10 -08:00
x86	crypto: x86/sha1 - Fix reads beyond the number of blocks passed	2017-08-24 17:02:35 -07:00
xtensa	mm: larger stack guard gap, between vmas	2017-06-26 07:13:11 +02:00
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