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| author | Pauli <pauli@openssl.org> | 2021-11-04 08:23:32 +1000 |
|---|---|---|
| committer | Dr. Matthias St. Pierre <matthias.st.pierre@ncp-e.com> | 2021-11-07 22:07:36 +0100 |
| commit | 0cb66d6bfeb7685f5776e1a93d716024fe678018 (patch) | |
| tree | 5614fd978c60b7cb7efbe8f61035ea2e0ad28ad5 /crypto/evp | |
| parent | 51f416d7c90e0eb04f9b0c5be189426e27f5779e (diff) | |
avoid a NULL dereference when getting digest
Fixes #16961
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/16969)
(cherry picked from commit ab547fc005307ecf48451638e947cdabca147159)
Diffstat (limited to 'crypto/evp')
| -rw-r--r-- | crypto/evp/evp_lib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c index 64d7fb046d..24092cfd5b 100644 --- a/crypto/evp/evp_lib.c +++ b/crypto/evp/evp_lib.c @@ -999,7 +999,7 @@ EVP_MD *EVP_MD_CTX_get1_md(EVP_MD_CTX *ctx) if (ctx == NULL) return NULL; md = (EVP_MD *)ctx->reqdigest; - if (!EVP_MD_up_ref(md)) + if (md == NULL || !EVP_MD_up_ref(md)) return NULL; return md; } |