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| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-08-22 10:53:46 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-08-24 09:49:20 +0100 |
| commit | d5485d9dd24e1d04e5509916515260186eb1455c (patch) | |
| tree | 51de6d241f5d5dd53a5bfa36b5762eff45765f2c /drivers/net | |
| parent | 550e9a4d858ff0bf872522eb4a802d549b45ac96 (diff) | |
| download | lwn-d5485d9dd24e1d04e5509916515260186eb1455c.tar.gz lwn-d5485d9dd24e1d04e5509916515260186eb1455c.zip | |
net: neigh: don't call kfree_skb() under spin_lock_irqsave()
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>
Diffstat (limited to 'drivers/net')
0 files changed, 0 insertions, 0 deletions