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| author | Kurt Roeckx <kurt@roeckx.be> | 2016-06-23 09:37:51 +0200 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2017-03-20 22:10:54 +0100 |
| commit | 2cbd4d98673d99cd7cb10715656b6d3727342e77 (patch) | |
| tree | 49237492f69f89566efc6b541178648e93de56ae /crypto | |
| parent | e6c53b0ced916633c8038736fde5613bf5b3e0dc (diff) | |
Avoid signed overflow
Found by afl
Reviewed-by: Rich Salz <rsalz@openssl.org>
MR: #3013
(cherry picked from commit 5bea15ebb359c91a1bb7569620ead14bb71cfb81)
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/asn1/x_long.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/asn1/x_long.c b/crypto/asn1/x_long.c index 3aed44a3dd..98562a18ba 100644 --- a/crypto/asn1/x_long.c +++ b/crypto/asn1/x_long.c @@ -178,8 +178,8 @@ static int long_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, } ltmp = (long)utmp; if (neg) { - ltmp++; ltmp = -ltmp; + ltmp--; } if (ltmp == it->size) { ASN1err(ASN1_F_LONG_C2I, ASN1_R_INTEGER_TOO_LARGE_FOR_LONG); |