ipv6: Fix leak in ipv6_gso_segment().
authorDavid S. Miller <davem@davemloft.net>
Mon, 5 Jun 2017 01:41:10 +0000 (21:41 -0400)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 15 Sep 2017 17:30:50 +0000 (18:30 +0100)
commit55fb722b0e1d9e7171bd414a638baf82c9d9abaa
tree5a56d2dea69493fa09b94e02eab6ab71f5c436ef
parentc5923c011cd546f8e2400f44bbad2b3afc72f535
ipv6: Fix leak in ipv6_gso_segment().

commit e3e86b5119f81e5e2499bea7ea1ebe8ac6aab789 upstream.

If ip6_find_1stfragopt() fails and we return an error we have to free
up 'segs' because nobody else is going to.

Fixes: 2423496af35d ("ipv6: Prevent overrun when parsing v6 header options")
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
net/ipv6/af_inet6.c