commit 551c6fbf912c83dce473c805a80d27223a231d38
author Florian Westphal <fw@strlen.de> Tue Mar 22 18:02:49 2016 +0100
committer Devin Kim <dojip.kim@lge.com> Fri Aug 26 12:58:42 2016 -0700
tree 5f24b6f11d1be95e1ae8203df1b72cee62b73c1c
parent b040e2049db923ffd3e2d458aeaa45444f4d5ab5

BACKPORT: netfilter: x_tables: validate e->target_offset early

(cherry picked from commit bdf533de6968e9686df777dc178486f600c6e617)

We should check that e->target_offset is sane before
mark_source_chains gets called since it will fetch the target entry
for loop detection.

Bug: 29637687
Change-Id: Ida3d7055b4905cf4c18550f3989f529a8ff5e8a9
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Mekala Natarajan <mnatarajan@google.com>