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ipv6: Fix leak in ipv6_gso_segment().
authorDavid S. Miller <davem@davemloft.net>
Mon, 5 Jun 2017 01:41:10 +0000 (21:41 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Jun 2017 13:05:52 +0000 (15:05 +0200)
commit599a4478d8cb7ad19bd946c878d59860c5df7875
treebedd7ea3f58d8314025db1d675f867a8dc64bb2b
parentc242e1a8140e56ff0f673ff82c4c5db3df7d4d4a
ipv6: Fix leak in ipv6_gso_segment().

[ Upstream commit e3e86b5119f81e5e2499bea7ea1ebe8ac6aab789 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv6/ip6_offload.c