linux-kernel - Re: [syzbot] [input?] [usb?] WARNING in asus

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20260130091428.2426-1-hdanton@sina.com>
Date: Fri, 30 Jan 2026 17:14:12 +0800
From: Hillf Danton <hdanton@...a.com>
To: syzbot <syzbot+13f8286fa2de04a7cd48@...kaller.appspotmail.com>
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [input?] [usb?] WARNING in asus_remove

> 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;
--