From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Aryan Arora <aryanarora.w1@gmail.com>
Cc: Alexander Aring <alex.aring@gmail.com>,
Stefan Schmidt <stefan@datenfreihafen.org>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
David Girault <david.girault@qorvo.com>,
linux-wpan@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
syzbot+19cbce4cc656ecd4febc@syzkaller.appspotmail.com
Subject: Re: [PATCH] mac802154: Cancel scan work synchronously during hardware teardown
Date: Mon, 12 Oct 2026 19:00:41 +0200 [thread overview]
Message-ID: <87v77626rq.fsf@bootlin.com> (raw)
In-Reply-To: <20261012120934.64632-1-aryanarora.w1@gmail.com> (Aryan Arora's message of "Mon, 12 Oct 2026 17:39:34 +0530")
On 12/10/2026 at 17:39:34 +0530, Aryan Arora <aryanarora.w1@gmail.com> wrote:
> Scan cleanup uses cancel_delayed_work(), which does not wait for a
> running scan worker. The worker can requeue itself after cancellation,
> leaving an active delayed-work timer when the PHY allocation is freed.
>
> Cancel scan work synchronously before destroying the workqueue.
>
> Fixes: 57588c71177f ("mac802154: Handle passive scanning")
> Reported-by: syzbot+19cbce4cc656ecd4febc@syzkaller.appspotmail.com
> Closes: https://syzkaller.appspot.com/bug?extid=19cbce4cc656ecd4febc
> Tested-by: syzbot+19cbce4cc656ecd4febc@syzkaller.appspotmail.com
> Signed-off-by: Aryan Arora <aryanarora.w1@gmail.com>
> ---
I thought this had already been fixed but apparently not.
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
prev parent reply other threads:[~2026-10-12 17:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-12 12:09 [PATCH] mac802154: Cancel scan work synchronously during hardware teardown Aryan Arora
2026-10-12 17:00 ` Miquel Raynal [this message]
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