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| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2017-06-13 21:22:45 +0200 |
|---|---|---|
| committer | Rich Salz <rsalz@openssl.org> | 2017-06-14 09:50:59 -0400 |
| commit | 388105fff3a3290806f411f0ea1d384adecb7ffa (patch) | |
| tree | 64025b02f7ae12b7dde02e6d9568390479543410 /crypto/dsa | |
| parent | ded1b50f83c4d0d3e12a2a64d3bd66a27884136e (diff) | |
Fix a possible crash in dsa_builtin_paramgen2.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3675)
(cherry picked from commit fb0a64126b8c11a6961dfa1323c3602b591af7df)
Diffstat (limited to 'crypto/dsa')
| -rw-r--r-- | crypto/dsa/dsa_gen.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/dsa/dsa_gen.c b/crypto/dsa/dsa_gen.c index 3efeab84fa..e58ad8d70d 100644 --- a/crypto/dsa/dsa_gen.c +++ b/crypto/dsa/dsa_gen.c @@ -376,6 +376,8 @@ int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N, } else { p = BN_CTX_get(ctx); q = BN_CTX_get(ctx); + if (q == NULL) + goto err; } if (!BN_lshift(test, BN_value_one(), L - 1)) |