The branch master has been updated
via dc9887c0199f5b7579e7b82dd7910008e419816f (commit)
from 223516eadcd6c896392f8915585a50934adb863d (commit)
- Log -----------------------------------------------------------------
commit dc9887c0199f5b7579e7b82dd7910008e419816f
Author: Kurt Roeckx <[email protected]>
Date: Tue May 24 21:32:01 2016 +0200
Avoid creating an illegal pointer
Found by tis-interpreter
Reviewed-by: Rich Salz <[email protected]>
GH: #1122
-----------------------------------------------------------------------
Summary of changes:
crypto/asn1/a_int.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/crypto/asn1/a_int.c b/crypto/asn1/a_int.c
index d06d417..9c28c02 100644
--- a/crypto/asn1/a_int.c
+++ b/crypto/asn1/a_int.c
@@ -201,18 +201,18 @@ static size_t c2i_ibuf(unsigned char *b, int *pneg,
/* Must be negative: calculate twos complement */
if (b) {
const unsigned char *from = p + plen - 1 + pad;
- unsigned char *to = b + plen - 1;
+ unsigned char *to = b + plen;
i = plen;
while (*from == 0 && i) {
- *to-- = 0;
+ *--to = 0;
i--;
from--;
}
- *to-- = (*from-- ^ 0xff) + 1;
+ *--to = (*from-- ^ 0xff) + 1;
OPENSSL_assert(i != 0);
i--;
for (; i > 0; i--)
- *to-- = *from-- ^ 0xff;
+ *--to = *from-- ^ 0xff;
}
return plen;
}
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