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coverity 1462565: Null pointer dereferences

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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 07:51:16 +10:00
parent 4f5e206dd8
commit 721330705a
1 changed files with 7 additions and 5 deletions
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12
crypto/evp/m_sigver.c
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@ -317,11 +317,13 @@ int EVP_DigestSignUpdate(EVP_MD_CTX *ctx, const void *data, size_t dsize)
data, dsize);
legacy:
/* do_sigver_init() checked that |digest_custom| is non-NULL */
if (pctx->flag_call_digest_custom
&& !ctx->pctx->pmeth->digest_custom(ctx->pctx, ctx))
return 0;
pctx->flag_call_digest_custom = 0;
if (pctx != NULL) {
/* do_sigver_init() checked that |digest_custom| is non-NULL */
if (pctx->flag_call_digest_custom
&& !ctx->pctx->pmeth->digest_custom(ctx->pctx, ctx))
return 0;
pctx->flag_call_digest_custom = 0;
}
return EVP_DigestUpdate(ctx, data, dsize);
}