netdev - Re: [PATCH] rose: Fix NULL pointer dereference in rose_send

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Message-Id: <166739041570.9516.15064436041668449705.git-patchwork-notify@kernel.org>
Date:   Wed, 02 Nov 2022 12:00:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Zhang Qilong <zhangqilong3@...wei.com>
Cc:     ralf@...ux-mips.org, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, f6bvp@...e.fr,
        linux-hams@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] rose: Fix NULL pointer dereference in rose_send_frame()

Hello:

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

On Sat, 29 Oct 2022 00:10:49 +0800 you wrote:
> The syzkaller reported an issue:
> 
> KASAN: null-ptr-deref in range [0x0000000000000380-0x0000000000000387]
> CPU: 0 PID: 4069 Comm: kworker/0:15 Not tainted 6.0.0-syzkaller-02734-g0326074ff465 #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
> Workqueue: rcu_gp srcu_invoke_callbacks
> RIP: 0010:rose_send_frame+0x1dd/0x2f0 net/rose/rose_link.c:101
> Call Trace:
>  <IRQ>
>  rose_transmit_clear_request+0x1d5/0x290 net/rose/rose_link.c:255
>  rose_rx_call_request+0x4c0/0x1bc0 net/rose/af_rose.c:1009
>  rose_loopback_timer+0x19e/0x590 net/rose/rose_loopback.c:111
>  call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474
>  expire_timers kernel/time/timer.c:1519 [inline]
>  __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790
>  __run_timers kernel/time/timer.c:1768 [inline]
>  run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
>  __do_softirq+0x1d0/0x9c8 kernel/softirq.c:571
>  [...]
>  </IRQ>
> 
> [...]

Here is the summary with links:
  - rose: Fix NULL pointer dereference in rose_send_frame()
    https://git.kernel.org/netdev/net/c/e97c089d7a49

You are awesome, thank you!
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