yujuan.qi 8ed0ff83f5 Cipso: cipso_v4_optptr enter infinite loop
commit 40413955ee265a5e42f710940ec78f5450d49149 upstream.

in for(),if((optlen > 0) && (optptr[1] == 0)), enter infinite loop.

Test: receive a packet which the ip length > 20 and the first byte of ip option is 0, produce this issue

Signed-off-by: yujuan.qi <yujuan.qi@mediatek.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-05 09:18:33 +02:00
..
2018-05-16 10:06:51 +02:00
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2015-10-21 00:49:24 +02:00
2018-04-24 09:32:11 +02:00
2018-02-25 11:03:37 +01:00