diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-08-22 10:53:46 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-05 10:26:35 +0200 |
| commit | 509e1b324aad95019ff14b8eb88fdfa500d9a489 (patch) | |
| tree | 21167601d0b78c6af6538803ec638b6f707ae082 /scripts/gdb/linux/utils.py | |
| parent | fc91d2db55acdaf0c0075b624e572d3520ca3bc3 (diff) | |
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>
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions