AuxXxilium/linux_dsm_epyc7002
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87a81dce53
linux_dsm_epyc7002/drivers/crypto
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LEROY Christophe 87a81dce53 crypto: talitos - fix Kernel Oops on hashing an empty file 
Performing the hash of an empty file leads to a kernel Oops

[   44.504600] Unable to handle kernel paging request for data at address 0x0000000c
[   44.512819] Faulting instruction address: 0xc02d2be8
[   44.524088] Oops: Kernel access of bad area, sig: 11 [#1]
[   44.529171] BE PREEMPT CMPC885
[   44.532232] CPU: 0 PID: 491 Comm: md5sum Not tainted 4.15.0-rc8-00211-g3a968610b6ea #81
[   44.540814] NIP:  c02d2be8 LR: c02d2984 CTR: 00000000
[   44.545812] REGS: c6813c90 TRAP: 0300   Not tainted  (4.15.0-rc8-00211-g3a968610b6ea)
[   44.554223] MSR:  00009032 <EE,ME,IR,DR,RI>  CR: 48222822  XER: 20000000
[   44.560855] DAR: 0000000c DSISR: c0000000
[   44.560855] GPR00: c02d28fc c6813d40 c6828000 c646fa40 00000001 00000001 00000001 00000000
[   44.560855] GPR08: 0000004c 00000000 c000bfcc 00000000 28222822 100280d4 00000000 10020008
[   44.560855] GPR16: 00000000 00000020 00000000 00000000 10024008 00000000 c646f9f0 c6179a10
[   44.560855] GPR24: 00000000 00000001 c62f0018 c6179a10 00000000 c6367a30 c62f0000 c646f9c0
[   44.598542] NIP [c02d2be8] ahash_process_req+0x448/0x700
[   44.603751] LR [c02d2984] ahash_process_req+0x1e4/0x700
[   44.608868] Call Trace:
[   44.611329] [c6813d40] [c02d28fc] ahash_process_req+0x15c/0x700 (unreliable)
[   44.618302] [c6813d90] [c02060c4] hash_recvmsg+0x11c/0x210
[   44.623716] [c6813db0] [c0331354] ___sys_recvmsg+0x98/0x138
[   44.629226] [c6813eb0] [c03332c0] __sys_recvmsg+0x40/0x84
[   44.634562] [c6813f10] [c03336c0] SyS_socketcall+0xb8/0x1d4
[   44.640073] [c6813f40] [c000d1ac] ret_from_syscall+0x0/0x38
[   44.645530] Instruction dump:
[   44.648465] 38c00001 7f63db78 4e800421 7c791b78 54690ffe 0f090000 80ff0190 2f870000
[   44.656122] 40befe50 2f990001 409e0210 813f01bc <8129000c> b39e003a 7d29c214 913e003c

This patch fixes that Oops by checking if src is NULL.

Fixes: 6a1e8d1415 ("crypto: talitos - making mapping helpers more generic")
Cc: <stable@vger.kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-02-08 22:37:06 +11:00
..
amcc crypto: Use zeroing memory allocator instead of allocator/memset 2018-01-12 23:02:56 +11:00
axis crypto: axis - remove unnecessary platform_get_resource() error check 2018-01-26 01:10:29 +11:00
bcm crypto: drivers - remove duplicate includes 2017-12-22 19:29:01 +11:00
caam crypto: caam - add Derived Key Protocol (DKP) support 2017-12-28 17:56:48 +11:00
cavium crypto: drivers - remove duplicate includes 2017-12-22 19:29:01 +11:00
ccp crypto: drivers - remove duplicate includes 2017-12-22 19:29:01 +11:00
chelsio crypto: chelsio - Fix indentation warning 2018-01-20 07:49:28 +11:00
inside-secure crypto: inside-secure - make function safexcel_try_push_requests static 2018-01-26 01:10:28 +11:00
marvell crypto: marvell/cesa - Fix DMA API misuse 2018-01-18 22:52:27 +11:00
mediatek crypto: mediatek - move to generic async completion 2017-11-03 22:11:23 +08:00
nx crypto: nx - fix spelling mistake: "availavle" -> "available" 2017-11-29 17:33:25 +11:00
qat crypto: qat - reduce stack size with KASAN 2017-12-22 19:52:39 +11:00
qce Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-11-14 10:52:09 -08:00
rockchip License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stm32 crypto: stm32 - remove redundant dev_err call in stm32_cryp_probe() 2018-01-26 01:10:30 +11:00
sunxi-ss crypto: sun4i-ss - support the Security System PRNG 2017-07-18 17:50:55 +08:00
ux500 crypto: drop unnecessary return statements 2017-09-22 17:43:28 +08:00
virtio Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-11-14 10:52:09 -08:00
vmx Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-11-14 10:52:09 -08:00
atmel-aes-regs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atmel-aes.c crypto: atmel - remove empty functions 2017-11-06 14:45:05 +08:00
atmel-authenc.h crypto: atmel-authenc - add support to authenc(hmac(shaX), Y(aes)) modes 2017-02-03 18:16:14 +08:00
atmel-ecc.c crypto: atmel-ecc - fix signed integer to u8 assignment 2017-08-03 13:47:23 +08:00
atmel-ecc.h crypto: atmel-ecc - introduce Microchip / Atmel ECC driver 2017-07-18 17:50:58 +08:00
atmel-sha-regs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atmel-sha.c crypto: atmel - remove useless irq init 2017-11-03 22:11:24 +08:00
atmel-tdes-regs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atmel-tdes.c crypto: atmel - remove empty functions 2017-11-06 14:45:05 +08:00
bfin_crc.c crypto: hash - annotate algorithms taking optional key 2018-01-12 23:03:35 +11:00
bfin_crc.h crypto: bfin_crc - Remove unneeded linux/miscdevice.h include 2016-12-27 17:50:51 +08:00
exynos-rng.c crypto: exynos-rng - Add SPDX license identifier and correct module license 2018-01-18 22:52:23 +11:00
geode-aes.c crypto: geode-aes - fixed coding style warnings and error 2017-07-18 18:15:57 +08:00
geode-aes.h crypto: geode - Consistently use AES_KEYSIZE_128 2014-05-22 21:03:12 +08:00
hifn_795x.c crypto: hifn_795x - Fix a memory leak in the error handling path of 'hifn_probe()' 2017-11-29 17:33:30 +11:00
img-hash.c crypto: img-hash - remove unnecessary static in img_hash_remove() 2017-08-03 13:47:18 +08:00
ixp4xx_crypto.c crypto: Use zeroing memory allocator instead of allocator/memset 2018-01-12 23:02:56 +11:00
Kconfig crypto: artpec6 - remove select on non-existing CRYPTO_SHA384 2018-01-26 01:10:31 +11:00
Makefile Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-11-14 10:52:09 -08:00
mxc-scc.c crypto: mxc-scc - fix error code in mxc_scc_probe() 2017-07-18 17:50:54 +08:00
mxs-dcp.c crypto: mxs-dcp - print error message on platform_get_irq failure 2017-07-18 17:50:54 +08:00
n2_asm.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
n2_core.c crypto: n2 - cure use after free 2017-12-22 19:02:44 +11:00
n2_core.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
omap-aes-gcm.c crypto: omap-aes - pr_err() strings should end with newlines 2017-10-12 22:54:51 +08:00
omap-aes.c crypto: omap - use of_device_get_match_data 2017-10-07 12:10:35 +08:00
omap-aes.h crypto: omap-aes - Add support for GCM mode 2017-06-10 12:04:19 +08:00
omap-crypto.c crypto: omap - add base support library for common routines 2017-06-10 12:04:15 +08:00
omap-crypto.h crypto: omap - add base support library for common routines 2017-06-10 12:04:15 +08:00
omap-des.c crypto: omap - use of_device_get_match_data 2017-10-07 12:10:35 +08:00
omap-sham.c crypto: omap - use of_device_get_match_data 2017-10-07 12:10:35 +08:00
padlock-aes.c crypto: padlock-aes - constify x86_cpu_id 2017-09-22 17:43:20 +08:00
padlock-sha.c crypto: padlock-sha - constify x86_cpu_id 2017-09-22 17:43:20 +08:00
picoxcell_crypto_regs.h crypto: picoxcell - add support for the picoxcell crypto engines 2011-02-21 22:42:40 +11:00
picoxcell_crypto.c crypto: picoxcell - Fix error handling in spacc_probe() 2018-01-26 01:10:36 +11:00
s5p-sss.c crypto: s5p-sss - Add SPDX license identifier 2018-01-18 22:52:24 +11:00
sahara.c crypto: sahara - constify platform_device_id 2017-08-22 14:54:53 +08:00
talitos.c crypto: talitos - fix Kernel Oops on hashing an empty file 2018-02-08 22:37:06 +11:00
talitos.h crypto: talitos - chain in buffered data for ahash on SEC1 2017-10-12 22:55:38 +08:00