netdev - Re: [PATCH] net: fix use-after-free in tw_timer

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Message-Id: <164082961125.30206.10818426908442232767.git-patchwork-notify@kernel.org>
Date:   Thu, 30 Dec 2021 02:00:11 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Muchun Song <songmuchun@...edance.com>
Cc:     davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        kuba@...nel.org, xemul@...nvz.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, cong.wang@...edance.com,
        fam.zheng@...edance.com, stable@...r.kernel.org
Subject: Re: [PATCH] net: fix use-after-free in tw_timer_handler

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 28 Dec 2021 18:41:45 +0800 you wrote:
> A real world panic issue was found as follow in Linux 5.4.
> 
>     BUG: unable to handle page fault for address: ffffde49a863de28
>     PGD 7e6fe62067 P4D 7e6fe62067 PUD 7e6fe63067 PMD f51e064067 PTE 0
>     RIP: 0010:tw_timer_handler+0x20/0x40
>     Call Trace:
>      <IRQ>
>      call_timer_fn+0x2b/0x120
>      run_timer_softirq+0x1ef/0x450
>      __do_softirq+0x10d/0x2b8
>      irq_exit+0xc7/0xd0
>      smp_apic_timer_interrupt+0x68/0x120
>      apic_timer_interrupt+0xf/0x20
> 
> [...]

Here is the summary with links:
  - net: fix use-after-free in tw_timer_handler
    https://git.kernel.org/netdev/net/c/e22e45fc9e41

You are awesome, thank you!
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