From: Kan <chenxinpingc2306@163.com>
Date: Thu, 16 Dec 2021 16:05:24 +0000 (+0800)
Subject: Fix the null pointer dereference
X-Git-Tag: openssl-3.2.0-alpha1~3178
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f050745fe69a538952f3e12af3718d19ef2df2e2;p=thirdparty%2Fopenssl.git

Fix the null pointer dereference

Fixes #17296

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17297)
---

diff --git a/crypto/bn/bn_conv.c b/crypto/bn/bn_conv.c
index 4af546a25b8..6757f3d0aae 100644
--- a/crypto/bn/bn_conv.c
+++ b/crypto/bn/bn_conv.c
@@ -142,7 +142,7 @@ int BN_hex2bn(BIGNUM **bn, const char *a)
         continue;
 
     if (i == 0 || i > INT_MAX / 4)
-        goto err;
+        return 0;
 
     num = i + neg;
     if (bn == NULL)