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authorCong Wang <xiyou.wangcong@gmail.com>2019-08-25 10:01:32 -0700
committerDavid S. Miller <davem@davemloft.net>2019-08-27 15:05:58 -0700
commit981471bd3abf4d572097645d765391533aac327d (patch)
treee06afa7cebab28ab9e7a123b7a9b499450f23687 /net/ncsi
parent9e8312f5e160ade069e131d54ab8652cf0e86e1a (diff)
downloadlinux-981471bd3abf4d572097645d765391533aac327d.tar.bz2
net_sched: fix a NULL pointer deref in ipt action
The net pointer in struct xt_tgdtor_param is not explicitly initialized therefore is still NULL when dereferencing it. So we have to find a way to pass the correct net pointer to ipt_destroy_target(). The best way I find is just saving the net pointer inside the per netns struct tcf_idrinfo, which could make this patch smaller. Fixes: 0c66dc1ea3f0 ("netfilter: conntrack: register hooks in netns when needed by ruleset") Reported-and-tested-by: itugrok@yahoo.com Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ncsi')
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