David S. Miller 599a4478d8 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>
2017-06-14 15:05:52 +02:00
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