| commit | 0052348329c94f6c608ff0d5372c48e3ab1f4ba8 | |
| author | Yang Yingliang <yangyingliang@huawei.com> | |
| Mon, 22 Aug 2022 02:53:46 +0000 (22 10:53 +0800) | ||
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| Mon, 5 Sep 2022 08:27:48 +0000 (5 10:27 +0200) | ||
| tree | 1cd27a3f21b1856deb17615a76f02b94b7ca7e3a | treesnapshot (tar.gz zip) |
| parent | 25a80e728412739bf39f02d834c7688a1c1abe07 | commitdiff |
net: neigh: don't call kfree_skb() under spin_lock_irqsave()
commit d5485d9dd24e1d04e5509916515260186eb1455c upstream.
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So add all skb to
a tmp list, then free them after spin_unlock_irqrestore() at
once.
Fixes: 66ba215cb513 ("neigh: fix possible DoS due to net iface start/stop loop")
Suggested-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d5485d9dd24e1d04e5509916515260186eb1455c upstream.
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So add all skb to
a tmp list, then free them after spin_unlock_irqrestore() at
once.
Fixes: 66ba215cb513 ("neigh: fix possible DoS due to net iface start/stop loop")
Suggested-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| net/core/neighbour.c | diffblobblamehistory |