diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-09-19 21:58:34 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-09-19 21:58:34 +0200 |
| commit | 7bb91e06730140a693611e51a4a9636152448bd3 (patch) | |
| tree | 3db8274e509dded5e864b4af9154ffd2b4f0a846 /arch | |
| parent | Merge tag 'drm-fixes-for-4.8-rc7' of git://people.freedesktop.org/~airlied/linux (diff) | |
| parent | crypto: arm64/aes-ctr - fix NULL dereference in tail processing (diff) | |
| download | linux-7bb91e06730140a693611e51a4a9636152448bd3.tar.xz linux-7bb91e06730140a693611e51a4a9636152448bd3.zip | |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes a potential weakness in IPsec CBC IV generation, as well as
a number of issues that arose out of an OOM crash on ARM with CTR-mode
AES"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: arm64/aes-ctr - fix NULL dereference in tail processing
crypto: arm/aes-ctr - fix NULL dereference in tail processing
crypto: skcipher - Fix blkcipher walk OOM crash
crypto: echainiv - Replace chaining with multiplication
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/crypto/aes-ce-glue.c | 2 | ||||
| -rw-r--r-- | arch/arm64/crypto/aes-glue.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c index da3c0428507b..aef022a87c53 100644 --- a/arch/arm/crypto/aes-ce-glue.c +++ b/arch/arm/crypto/aes-ce-glue.c @@ -284,7 +284,7 @@ static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE); } - if (nbytes) { + if (walk.nbytes % AES_BLOCK_SIZE) { u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE; u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE; u8 __aligned(8) tail[AES_BLOCK_SIZE]; diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c index 5c888049d061..6b2aa0fd6cd0 100644 --- a/arch/arm64/crypto/aes-glue.c +++ b/arch/arm64/crypto/aes-glue.c @@ -216,7 +216,7 @@ static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE); } - if (nbytes) { + if (walk.nbytes % AES_BLOCK_SIZE) { u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE; u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE; u8 __aligned(8) tail[AES_BLOCK_SIZE]; |