From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AC69F231A2A; Mon, 10 Mar 2025 17:49:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741628982; cv=none; b=aTcsD5SxGXOvzkkbsvGK5fQbYZNLRosk69TbKweVgxu+k9qBuKD68KjKhhYWMYZDLSX3eFz1SssuB9xr2a2HMIcxlkoVIKPIW7NSawqgk/0gao18/p7abCwZXry1ZlZ4jNr6n2szEBPaSDEe8wOrfqERazFOHz8Hp18pNfhsrsc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741628982; c=relaxed/simple; bh=WkiKFSXKsRboQO4WMkRM8E3q5HxT+p3HFG/VNd3Rqjs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IF0x/tqiSBMXRiHx6yxUItDEswDGgnh6171Mi5tt5sJkYozUCvil12WswVqtdcUPlt58nLdqjsHuqZy5kU/c0RJKniGFSjDpRCvUzXbOW+5Ls3q6RZbTY0MszBn4+oLlg6LBUL1Rrt4gd3dLxgoQbCYurHWDlms4ToWXVQJmW7I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=RXO9NmS4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="RXO9NmS4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05158C4CEE5; Mon, 10 Mar 2025 17:49:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741628982; bh=WkiKFSXKsRboQO4WMkRM8E3q5HxT+p3HFG/VNd3Rqjs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RXO9NmS4Pv/bDBzVj/0wfRriOEMHhd73r3TFawoplQCS6DoLQ81rH/lYyK5qn6XnO x94RYeyl+cEkM5MGoLZRabC+WTWr68jgYcOTQc+v6mXdSEt5b/kMDUyi4qT8fYum71 XAiLL2dAXuxcJAYwxMsqiitvQ3kNgG2fjlPaohk8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Oliver Neukum , syzbot+ffba8e636870dac0e0c0@syzkaller.appspotmail.com, Sean Young , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.15 136/620] media: rc: iguanair: handle timeouts Date: Mon, 10 Mar 2025 17:59:42 +0100 Message-ID: <20250310170550.968688492@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170545.553361750@linuxfoundation.org> References: <20250310170545.553361750@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Oliver Neukum [ Upstream commit b98d5000c50544f14bacb248c34e5219fbe81287 ] In case of a timeout the IO must be cancelled or the next IO using the URB will fail and/or overwrite an operational URB. The automatic bisection fails because it arrives at a commit that correctly lets the test case run without an error. Signed-off-by: Oliver Neukum Fixes: e99a7cfe93fd ("[media] iguanair: reuse existing urb callback for command responses") Reported-by: syzbot+ffba8e636870dac0e0c0@syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/66f5cc9a.050a0220.46d20.0004.GAE@google.com/ Tested-by: syzbot+ffba8e636870dac0e0c0@syzkaller.appspotmail.com Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/rc/iguanair.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c index 84949baf9f6b3..c1343df0dbbab 100644 --- a/drivers/media/rc/iguanair.c +++ b/drivers/media/rc/iguanair.c @@ -197,8 +197,10 @@ static int iguanair_send(struct iguanair *ir, unsigned size) if (rc) return rc; - if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0) + if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0) { + usb_kill_urb(ir->urb_out); return -ETIMEDOUT; + } return rc; } -- 2.39.5