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authorHerbert Xu <herbert@gondor.apana.org.au>2024-09-10 17:30:24 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2024-09-13 18:26:53 +0800
commitce212d2afca47acd366a2e74c76fe82c31f785ab (patch)
tree911dfe5f1e299e9ba94d537ea8918d000e901a63 /drivers/crypto/n2_core.c
parente2b19a4840650ba1d679562d4a8959f3f6070064 (diff)
crypto: n2 - Set err to EINVAL if snprintf fails for hmac
Return EINVAL if the snprintf check fails when constructing the algorithm names. Fixes: 8c20982caca4 ("crypto: n2 - Silence gcc format-truncation false positive warnings") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/r/202409090726.TP0WfY7p-lkp@intel.com/ Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/n2_core.c')
-rw-r--r--drivers/crypto/n2_core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 251e088a53df..b11545cc5cb7 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -1353,6 +1353,7 @@ static int __n2_register_one_hmac(struct n2_ahash_alg *n2ahash)
ahash->setkey = n2_hmac_async_setkey;
base = &ahash->halg.base;
+ err = -EINVAL;
if (snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "hmac(%s)",
p->child_alg) >= CRYPTO_MAX_ALG_NAME)
goto out_free_p;