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From: patchwork-bot+bluetooth@kernel.org
To: Pauli Virtanen <pav@iki.fi>
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: [PATCH v2 1/2] Bluetooth: hci_sync: always check if connection is alive before deleting
Date: Tue, 03 Oct 2023 17:10:27 +0000	[thread overview]
Message-ID: <169635302749.22624.6754938752814022940.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <53130b4a5fb21a15f2674c336282d25ef5d2232e.1696077070.git.pav@iki.fi>

Hello:

This series was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Sat, 30 Sep 2023 15:53:32 +0300 you wrote:
> In hci_abort_conn_sync it is possible that conn is deleted concurrently
> by something else, also e.g. when waiting for hdev->lock.  This causes
> double deletion of the conn, so UAF or conn_hash.list corruption.
> 
> Fix by having all code paths check that the connection is still in
> conn_hash before deleting it, while holding hdev->lock which prevents
> any races.
> 
> [...]

Here is the summary with links:
  - [v2,1/2] Bluetooth: hci_sync: always check if connection is alive before deleting
    https://git.kernel.org/bluetooth/bluetooth-next/c/32f6776f0083
  - [v2,2/2] Bluetooth: hci_conn: verify connection is to be aborted before doing it
    (no matching commit)

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



      parent reply	other threads:[~2023-10-03 17:10 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-30 12:53 [PATCH v2 1/2] Bluetooth: hci_sync: always check if connection is alive before deleting Pauli Virtanen
2023-09-30 12:53 ` [PATCH v2 2/2] Bluetooth: hci_conn: verify connection is to be aborted before doing it Pauli Virtanen
2023-09-30 13:28   ` [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in hci_send_acl syzbot
2023-10-02 23:22   ` [PATCH v2 2/2] Bluetooth: hci_conn: verify connection is to be aborted before doing it Luiz Augusto von Dentz
2023-10-03 16:41     ` Pauli Virtanen
2023-09-30 13:36 ` [v2,1/2] Bluetooth: hci_sync: always check if connection is alive before deleting bluez.test.bot
2023-10-03 17:10 ` patchwork-bot+bluetooth [this message]

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