netfilter: fix a use-after-free in mtype_destroy()

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map->members is freed by ip_set_free() right before using it in
mtype_ext_cleanup() again. So we just have to move it down.

Reported-by: syzbot+4c3cc6dbe7259dbf9054@syzkaller.appspotmail.com
Fixes: 40cd63bf33 ("netfilter: ipset: Support extensions which need a per data destroy function")
Acked-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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Cong Wang 2020-01-10 11:53:08 -08:00 • committed by Pablo Neira Ayuso

parent c9f53049d4

commit c120959387

1 changed files with 1 additions and 1 deletions

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net/netfilter/ipset/ip_set_bitmap_gen.h

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