From: patchwork-bot+bluetooth@kernel.org
To: Iaroslav Voitovych <yaroslav.voytovych@gmail.com>
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: [PATCH BlueZ 1/2] shared/mgmt: Fix notify leak in mgmt_unregister()
Date: Thu, 08 Oct 2026 15:20:04 +0000 [thread overview]
Message-ID: <179147280477.313948.6286426737429078397.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261008034102.707451-1-yaroslav.voytovych@gmail.com>
Hello:
This series was applied to bluetooth/bluez.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:
On Thu, 8 Oct 2026 05:41:01 +0200 you wrote:
> mgmt_unregister() called from a notification callback takes the entry
> off notify_list and marks it removed instead of freeing it.
> process_notify() frees the removed entries still on notify_list once
> the walk is done, so this one is never freed and its destroy callback
> never runs.
>
> If the callback unregisters the next entry rather than its own, this
> is also a use-after-free: queue_foreach() has already saved that
> entry's queue node, and queue_remove_if() frees it. That is the crash
> fixed for mgmt_unregister_index() by commit 872729a91632
> ("shared/mgmt: Fix crash when removing index"), still present in
> mgmt_unregister().
>
> [...]
Here is the summary with links:
- [BlueZ,1/2] shared/mgmt: Fix notify leak in mgmt_unregister()
https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=ae23df052290
- [BlueZ,2/2] unit/test-mgmt: Test unregistering from callbacks
https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=6f5eeb402d3b
You are awesome, thank you!
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prev parent reply other threads:[~2026-10-08 15:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-08 3:41 [PATCH BlueZ 1/2] shared/mgmt: Fix notify leak in mgmt_unregister() Iaroslav Voitovych
2026-10-08 3:41 ` [PATCH BlueZ 2/2] unit/test-mgmt: Test unregistering from callbacks Iaroslav Voitovych
2026-10-08 10:41 ` [BlueZ,1/2] shared/mgmt: Fix notify leak in mgmt_unregister() bluez.test.bot
2026-10-08 15:20 ` patchwork-bot+bluetooth [this message]
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