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authorLinus Torvalds <torvalds@linux-foundation.org>2019-05-21 12:24:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-21 12:24:24 -0700
commitca4dca539184914f5e91d87153a005e45686f36e (patch)
treee682b54471d660f3324642e388a79f9c0daf9be0
parent8648646bd7927eccf4334248e94827d5dd47acf9 (diff)
parent299e27e01d55ff34a9f122ea6c9eebe8ae8a32f5 (diff)
downloadlinux-crypto-ca4dca539184914f5e91d87153a005e45686f36e.tar.gz
linux-crypto-ca4dca539184914f5e91d87153a005e45686f36e.zip
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: - Two long-standing bugs in the powerpc assembly of vmx - Stack overrun caused by HASH_MAX_DESCSIZE being too small - Regression in caam * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: vmx - ghash: do nosimd fallback manually crypto: vmx - CTR: always increment IV as quadword crypto: hash - fix incorrect HASH_MAX_DESCSIZE crypto: caam - fix typo in i.MX6 devices list for errata
-rw-r--r--crypto/hmac.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/hmac.c b/crypto/hmac.c
index a68c1266..241b1868 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -157,6 +157,8 @@ static int hmac_init_tfm(struct crypto_tfm *tfm)
parent->descsize = sizeof(struct shash_desc) +
crypto_shash_descsize(hash);
+ if (WARN_ON(parent->descsize > HASH_MAX_DESCSIZE))
+ return -EINVAL;
ctx->hash = hash;
return 0;