The branch master has been updated
via 5bea15ebb359c91a1bb7569620ead14bb71cfb81 (commit)
from 24bf6f3c7fccd91b5a9d3ab722c712ef4b0530f9 (commit)
- Log -----------------------------------------------------------------
commit 5bea15ebb359c91a1bb7569620ead14bb71cfb81
Author: Kurt Roeckx <[email protected]>
Date: Thu Jun 23 09:37:51 2016 +0200
Avoid signed overflow
Found by afl
Reviewed-by: Rich Salz <[email protected]>
MR: #3013
-----------------------------------------------------------------------
Summary of changes:
crypto/asn1/x_long.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/asn1/x_long.c b/crypto/asn1/x_long.c
index 9d27ba4..0af7875 100644
--- a/crypto/asn1/x_long.c
+++ b/crypto/asn1/x_long.c
@@ -128,8 +128,8 @@ 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);
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