diff options
author | Herbert Xu <herbert@gondor.apana.org.au> | 2025-06-16 12:09:17 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-06-18 17:02:02 +0800 |
commit | df29f60369ccec0aa17d7eed7e2ae1fcdc9be6d4 (patch) | |
tree | d95582c8d0bc1fc0cd33db4142536ea86585f5ab | |
parent | ac90aad0e9bf7c37e706fdc08ce763a553890bdf (diff) |
crypto: ahash - Fix infinite recursion in ahash_def_finup
Invoke the final function directly in the default finup implementation
since crypto_ahash_final is now just a wrapper around finup.
Reported-by: Eric Biggers <ebiggers@kernel.org>
Fixes: 9d7a0ab1c753 ("crypto: ahash - Handle partial blocks in API")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r-- | crypto/ahash.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index e10bc2659ae4..bc84a07c924c 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -600,12 +600,14 @@ static void ahash_def_finup_done2(void *data, int err) static int ahash_def_finup_finish1(struct ahash_request *req, int err) { + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + if (err) goto out; req->base.complete = ahash_def_finup_done2; - err = crypto_ahash_final(req); + err = crypto_ahash_alg(tfm)->final(req); if (err == -EINPROGRESS || err == -EBUSY) return err; |