Hello: This patch was applied to netdev/net.git (main) by David S. Miller <davem@xxxxxxxxxxxxx>: On Mon, 13 May 2024 14:06:27 +0300 you wrote: > syzbot reported a suspicious rcu usage[1] in bridge's mst code. While > fixing it I noticed that nothing prevents a vlan to be freed while > walking the list from the same path (br forward delay timer). Fix the rcu > usage and also make sure we are not accessing freed memory by making > br_mst_vlan_set_state use rcu read lock. > > [1] > WARNING: suspicious RCU usage > 6.9.0-rc6-syzkaller #0 Not tainted > > [...] Here is the summary with links: - [net] net: bridge: mst: fix vlan use-after-free https://git.kernel.org/netdev/net/c/3a7c1661ae13 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html