From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail3-166.sinamail.sina.com.cn (mail3-166.sinamail.sina.com.cn [202.108.3.166]) (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 D386B39B97F for ; Sun, 16 Aug 2026 23:52:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.108.3.166 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786924361; cv=none; b=Ep65MdeXqAcvvVHvoitJRsNo2ZWy35ApMfEyVaqRAtt9AsXxi4iVUuVZCt70k9bfD89LN2E9iezhG8Gz73pOeQxWeq8EocOxlQIRP9uQSTCTYb0efEQ6yWfT6iaW3MfXzTCX0oDKnD+3nfKpoCDWyePjkez/Mz1yk5dofgpfSUs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786924361; c=relaxed/simple; bh=GxYff31TzInhwK7W768+DhQlU6f9XyMchkwqaD84gPs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GjZBRlUCgkjp1vNH/swIQ8/BCgfT8FEFKG9+8pjz3ehv+Lqe/RavFa3+PYiLL/hDdYu0tLFxl9dmeZELA39smxJ6dyHJqdFJcr6UB2jeLWiOK0jHWMoKxYNbN4Ql+xI0vIoqGUla5na8jFodvn9iF5oyRutSfNvferJUPjefcBI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com; spf=pass smtp.mailfrom=sina.com; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b=qyctTl7z; arc=none smtp.client-ip=202.108.3.166 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b="qyctTl7z" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1786924356; bh=O2hFbUA7OKLmi+GH9Ka6mx1IzVHZ/rPblddiKiYiKPg=; h=From:Subject:Date:Message-ID; b=qyctTl7z/8zoV2SEZ/VxuoQP7tVQpURhvaj9axJP/ve0zxI3sMira3LMYEJ3qINhj j5mdygiRl4sYMFHnM4yEEZY9SCjmCbFxtmz0wxxhKkCQ+T66JI+0LiRt6G0ioqpJ/R 30TEuAwZvVI8cuUzjR3yZkAJl/N2jyXn2fdm7fCE= X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([221.216.154.155]) by sina.com (10.54.253.31) with ESMTP id 6A824D1800002C1E; Sun, 17 Aug 2026 07:51:55 +0800 (CST) X-Sender: hdanton@sina.com X-Auth-ID: hdanton@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=hdanton@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=hdanton@sina.com X-SMAIL-MID: 8588626815961 X-SMAIL-UIID: 46A3A166820140DC8276A7168E3611C1-20260817-075155-1 From: Hillf Danton To: syzbot Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [input?] [usb?] WARNING: ODEBUG bug in hid_device_remove Date: Mon, 17 Aug 2026 07:51:45 +0800 Message-ID: <20260816235146.1223-1-hdanton@sina.com> In-Reply-To: <6a802643.9ebadd4d.20b15e.000b.GAE@google.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > Date: Sat, 15 Aug 2026 01:41:39 -0700 [thread overview] > Hello, > > syzbot found the following issue on: > > HEAD commit: 28d012efb432 Add linux-next specific files for 20260812 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=1613f479580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=5a13c7bc480b5c3f > dashboard link: https://syzkaller.appspot.com/bug?extid=f8fb5598924c7e645553 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17bc1c79580000 #syz test --- x/drivers/hid/hid-corsair.c +++ y/drivers/hid/hid-corsair.c @@ -524,6 +524,7 @@ static void k90_cleanup_backlight(struct if (drvdata->backlight) { drvdata->backlight->removed = true; + disable_work(&drvdata->backlight->work); cancel_work_sync(&drvdata->backlight->work); led_classdev_unregister(&drvdata->backlight->cdev); kfree(drvdata->backlight->cdev.name); @@ -540,6 +541,7 @@ static void k90_cleanup_macro_functions( sysfs_remove_group(&dev->dev.kobj, &k90_attr_group); k90->record_led.removed = true; + disable_work(&k90->record_led.work); cancel_work_sync(&k90->record_led.work); led_classdev_unregister(&k90->record_led.cdev); kfree(k90->record_led.cdev.name); --