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coverity 1462545 Dereference after null check

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Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11651)
This commit is contained in:
Pauli 2020-04-27 08:25:33 +10:00
parent e655ce14d0
commit dc8908bfe2
1 changed files with 4 additions and 2 deletions
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6
crypto/evp/p_lib.c
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@ -230,9 +230,11 @@ static int evp_pkey_cmp_any(const EVP_PKEY *a, const EVP_PKEY *b,
* us to compare types using legacy NIDs.
*/
if ((a->type != EVP_PKEY_NONE
&& !EVP_KEYMGMT_is_a(b->keymgmt, OBJ_nid2sn(a->type)))
&& (b->keymgmt == NULL
|| !EVP_KEYMGMT_is_a(b->keymgmt, OBJ_nid2sn(a->type))))
|| (b->type != EVP_PKEY_NONE
&& !EVP_KEYMGMT_is_a(a->keymgmt, OBJ_nid2sn(b->type))))
&& (a->keymgmt == NULL
|| !EVP_KEYMGMT_is_a(a->keymgmt, OBJ_nid2sn(b->type)))))
return -1; /* not the same key type */
/*