From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from r3-25.sinamail.sina.com.cn (r3-25.sinamail.sina.com.cn [202.108.3.25]) (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 A4B3A2459E5 for ; Fri, 30 Jan 2026 09:15:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.108.3.25 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769764529; cv=none; b=B1Y2r53G0Iv4S7q+VM61jAY5Mu3R2Usb0pGH5A8dz/jvWISUHAbqrScYU6w1aXFQuP5eq1OqKDyWzPFrlGIAPf9P0Z7oyA6cCvpnSNQb5AP3W538wZpFyBDz8wg7Xfn8R1Ixmk1robzYpXZgWffonR5NYXeOX5ddkh7gV2bKsDc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769764529; c=relaxed/simple; bh=ihwfu8fXi/uwWjD5/qxP6VjWmo3O2q6m4KpkezNGKRo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GyuGzPUtqtjsLahOQa5dcUTIQFFa7mX/TWU9q6sbXVw5Az8P2iVnoUPuCy1MFBU5MVW1q3O0GPh2XTm2epSCFzoO5e1yChjL297HpQy3YNd0zMVIG3dP0gJDccVCcM8io6sbRcL2F2K/dSvdQrwsmXmcmHI//YU8LEk9StfehUY= 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=vo09PME4; arc=none smtp.client-ip=202.108.3.25 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="vo09PME4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1769764525; bh=NeAOfGoIvZVCBXKHU5J0zKo05TAQ+5QASGq26R9LY6k=; h=From:Subject:Date:Message-ID; b=vo09PME4nxk9WQknXkDwid3vNZvrPmbYA8wMotgCf0CdRs/KwoL5BnZpM8hUhYQF0 3m6lHSjFWG3eKdq0MJjNacliCiM6+sxh4fRETOVnQAZrmjncNPrJ1zHZ9el0bMYJwt 26ueuhY//9aySwto6yJSt9bsMofugPCmHlmtt2Gc= X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([114.249.62.144]) by sina.com (10.54.253.31) with ESMTP id 697C767C00002644; Fri, 30 Jan 2026 17:14:38 +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: 9868716816110 X-SMAIL-UIID: 376DCC75350B45289E3E0C5381598C12-20260130-171438-1 From: Hillf Danton To: syzbot Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [input?] [usb?] WARNING in asus_remove Date: Fri, 30 Jan 2026 17:14:12 +0800 Message-ID: <20260130091428.2426-1-hdanton@sina.com> In-Reply-To: <697baa8f.a70a0220.9914.001f.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: Thu, 29 Jan 2026 10:44:31 -0800 > Hello, > > syzbot found the following issue on: > > HEAD commit: 3f24e4edcd1b Add linux-next specific files for 20260128 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=12f4b694580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=750532df2c47a03 > dashboard link: https://syzkaller.appspot.com/bug?extid=13f8286fa2de04a7cd48 > compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1188e9b2580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1526fd8a580000 #syz test --- x/drivers/hid/hid-asus.c +++ y/drivers/hid/hid-asus.c @@ -771,6 +771,7 @@ static int asus_kbd_register_leds(struct if (ret < 0) { /* No need to have this still around */ devm_kfree(&hdev->dev, drvdata->kbd_backlight); + drvdata->kbd_backlight = NULL; } return ret; --