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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

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Pull crypto fixes from Herbert Xu:
 "This fixes a NULL pointer dereference on allocation failure in caam,
  as well as a regression in the ctr mode on s390 that was added with
  the recent concurrency fixes"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: s390 - fix aes,des ctr mode concurrency finding.
  crypto: caam - add allocation failure handling in SPRINTFCAT macro
This commit is contained in:
Linus Torvalds 2014-05-21 18:34:35 +09:00
commit 1f5518b4e7
3 changed files with 13 additions and 3 deletions
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3
arch/s390/crypto/aes_s390.c
View File

@ -820,6 +820,9 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, long func,
else
memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE);
spin_unlock(&ctrblk_lock);
} else {
if (!nbytes)
memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE);
}
/*
* final block may be < AES_BLOCK_SIZE, copy only nbytes

3
arch/s390/crypto/des_s390.c
View File

@ -429,6 +429,9 @@ static int ctr_desall_crypt(struct blkcipher_desc *desc, long func,
else
memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE);
spin_unlock(&ctrblk_lock);
} else {
if (!nbytes)
memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE);
}
/* final block may be < DES_BLOCK_SIZE, copy only nbytes */
if (nbytes) {

10
drivers/crypto/caam/error.c
View File

@ -16,9 +16,13 @@
char *tmp; \
\
tmp = kmalloc(sizeof(format) + max_alloc, GFP_ATOMIC); \
sprintf(tmp, format, param); \
strcat(str, tmp); \
kfree(tmp); \
if (likely(tmp)) { \
sprintf(tmp, format, param); \
strcat(str, tmp); \
kfree(tmp); \
} else { \
strcat(str, "kmalloc failure in SPRINTFCAT"); \
} \
}
static void report_jump_idx(u32 status, char *outstr)