diff options
Diffstat (limited to 'crypto/hmac.c')
| -rw-r--r-- | crypto/hmac.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/hmac.c b/crypto/hmac.c index a68c1266121f..ac8c611ee33e 100644 --- a/crypto/hmac.c +++ b/crypto/hmac.c @@ -157,6 +157,10 @@ 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)) { + crypto_free_shash(hash); + return -EINVAL; + } ctx->hash = hash; return 0; |