Commit 2cbd4d98 authored by Kurt Roeckx's avatar Kurt Roeckx Committed by Richard Levitte
Browse files

Avoid signed overflow 



Found by afl

Reviewed-by: default avatarRich Salz <rsalz@openssl.org>

MR: #3013
(cherry picked from commit 5bea15eb)
parent e6c53b0c

crypto/asn1/x_long.c

+1 −1
Original line number Diff line number Diff line
@@ -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);