diff mbox series

[1/3] crypto: shash - Cap state size to HASH_MAX_DESCSIZE

Message ID 41f8d44fe2b46ac2e1f0c54e550aa8bffe9e1cf3.1746176535.git.herbert@gondor.apana.org.au
State New
Headers show
Series [1/3] crypto: shash - Cap state size to HASH_MAX_DESCSIZE | expand

Commit Message

Herbert Xu May 2, 2025, 9:03 a.m. UTC 
Now that all shash algorithms have converted over to the generic
export format, limit the shash state size to HASH_MAX_DESCSIZE.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/shash.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/crypto/shash.c b/crypto/shash.c
index c4a724e55d7a..4f446463340e 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -479,6 +479,8 @@  static int shash_prepare_alg(struct shash_alg *alg)
 
 	if (alg->descsize > HASH_MAX_DESCSIZE)
 		return -EINVAL;
+	if (alg->statesize > HASH_MAX_DESCSIZE)
+		return -EINVAL;
 
 	return 0;
 }