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From: patchwork-bot+netdevbpf@kernel.org
To: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
	daniel@iogearbox.net, kernel-team@meta.com
Subject: Re: [PATCH bpf 1/2] bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel
Date: Mon, 19 Feb 2024 11:30:24 +0000	[thread overview]
Message-ID: <170834222491.2406.2120266673187455106.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240215211218.990808-1-martin.lau@linux.dev>

Hello:

This series was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Thu, 15 Feb 2024 13:12:17 -0800 you wrote:
> From: Martin KaFai Lau <martin.lau@kernel.org>
> 
> The following race is possible between bpf_timer_cancel_and_free
> and bpf_timer_cancel. It will lead a UAF on the timer->timer.
> 
> bpf_timer_cancel();
> 	spin_lock();
> 	t = timer->time;
> 	spin_unlock();
> 
> [...]

Here is the summary with links:
  - [bpf,1/2] bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel
    https://git.kernel.org/bpf/bpf/c/0281b919e175
  - [bpf,2/2] selftests/bpf: Test racing between bpf_timer_cancel_and_free and bpf_timer_cancel
    https://git.kernel.org/bpf/bpf/c/3f00e4a9c96f

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



      parent reply	other threads:[~2024-02-19 11:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-15 21:12 [PATCH bpf 1/2] bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel Martin KaFai Lau
2024-02-15 21:12 ` [PATCH bpf 2/2] selftests/bpf: Test " Martin KaFai Lau
2024-02-18  7:13   ` Hou Tao
2024-02-18  7:13 ` [PATCH bpf 1/2] bpf: Fix " Hou Tao
2024-02-19 11:30 ` patchwork-bot+netdevbpf [this message]

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