From: patchwork-bot+netdevbpf@kernel.org
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: edumazet@google.com, kuba@kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()
Date: Tue, 18 Aug 2026 17:39:00 +0000 [thread overview]
Message-ID: <178707474055.2194892.15611955237323709521.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <b06ce35d-e7bc-47a5-8e0a-e82be7e4dd08@I-love.SAKURA.ne.jp>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Sat, 15 Aug 2026 15:50:13 +0900 you wrote:
> sashiko is reporting that trying to read /sys/kernel/debug/ref_tracker/*
> causes use-afer-free crash when either alloc_percpu() or dev_addr_init()
> in alloc_netdev_mqs() failed, for commit 4d92b95ff2f9 ("net: add net device
> refcount tracker infrastructure") added ref_tracker_dir_exit() to only
> free_netdev() path.
>
> Reported-by: sashiko.dev (no mail address)
> Closes: https://sashiko.dev/#/patchset/56c707e7-1fb0-43ec-b8fb-cf6f451e513e%40I-love.SAKURA.ne.jp
> Fixes: 4d92b95ff2f9 ("net: add net device refcount tracker infrastructure")
> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
>
> [...]
Here is the summary with links:
- net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()
https://git.kernel.org/netdev/net/c/0b1c2af8a22c
You are awesome, thank you!
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prev parent reply other threads:[~2026-08-18 17:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-15 6:50 [PATCH] net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs() Tetsuo Handa
2026-08-17 5:41 ` Eric Dumazet
2026-08-18 17:39 ` patchwork-bot+netdevbpf [this message]
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