Re: [PATCH] mrp: introduce active flags to prevent UAF when applicant uninit

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@xxxxxxxxxxxxx>:

On Wed, 16 Nov 2022 19:45:11 +0800 you wrote:
> The caller of del_timer_sync must prevent restarting of the timer, If
> we have no this synchronization, there is a small probability that the
> cancellation will not be successful.
> 
> And syzbot report the fellowing crash:
> ==================================================================
> BUG: KASAN: use-after-free in hlist_add_head include/linux/list.h:929 [inline]
> BUG: KASAN: use-after-free in enqueue_timer+0x18/0xa4 kernel/time/timer.c:605
> Write at addr f9ff000024df6058 by task syz-fuzzer/2256
> Pointer tag: [f9], memory tag: [fe]
> 
> [...]

Here is the summary with links:
  - mrp: introduce active flags to prevent UAF when applicant uninit
    https://git.kernel.org/netdev/net-next/c/ab0377803daf

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html