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(parent: ce9e57f) | patch
netfilter: nfnetlink: fix potential dead lock in nfnetlink_rcv_msg()
authorZiyang Xuan <william.xuanziyang@huawei.com>
Thu, 3 Nov 2022 01:12:02 +0000 (09:12 +0800)
committerFlorian Westphal <fw@strlen.de>
Tue, 8 Nov 2022 22:16:13 +0000 (23:16 +0100)
commit03832a32bf8ff0a8305d94ddd3979835a807248f
treeecad606f2999f189c3f00c6bf9a2ad74ddae999etree
parentce9e57feeed81d17d5e80ed86f516ff0d39c3867commit | diff
netfilter: nfnetlink: fix potential dead lock in nfnetlink_rcv_msg()

When type is NFNL_CB_MUTEX and -EAGAIN error occur in nfnetlink_rcv_msg(),
it does not execute nfnl_unlock(). That would trigger potential dead lock.

Fixes: 50f2db9e368f ("netfilter: nfnetlink: consolidate callback types")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
net/netfilter/nfnetlink.c diff | blob | history
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