From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo2-f7.google.com (mail-oo2-f7.google.com [74.125.231.135]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8408630BF6B for ; Sun, 6 Sep 2026 02:07:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.231.135 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788660455; cv=none; b=nZZ+e9x/E9hKLWIR/lxVxVPNQwBVeBKGSSvlEVWndI5o/Mwgtld60oMCvdpsvk0sr2OkNmElihtXge3KavEDjTCoedc/P+w761j+C5AJteg6xtpMF8gAVza43CUrW7fji0uo0V/oWgxdrs+CNW6lhjDeW+TYicJ2JEbIBTEUpss= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788660455; c=relaxed/simple; bh=gztWfCq/vgHwaRddjXmXRhV5bycCMcFDGUBN8zECPXI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=To47Ij6TCKknHnfRevQMQEkhzZbbenTcL1hv/+hbCaLr4wYKeU6yDdzyl/L5E41bC77E87VfBByQiXxE7oqsKAtFpeNbQpiNOKNlXpb44eTSQVapJ8Tu+Uu0itm2M74ZAoc4xGffLVrrh1Oviih2AsiQB3lEZGCBaQSDOBNrx44= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=74.125.231.135 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oo2-f7.google.com with SMTP id 006d021491bc7-6b137c364c5so666647eaf.1 for ; Sat, 05 Sep 2026 19:07:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788660452; x=1789265252; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=srPOfqJi5oSn7adtwegC18uxRYHW7fCgQ8V5uhp5GPk=; b=MweL3MzhuvUeYGHFmK3qQcL1/f2wl9GtDwp1DM/d9fNmPpR1fqg5kEX0zX1qIHAnyi oeYhTP8jgOT2Jl7/oM8a0IhebIhZtwiB+XlesLCfMfLolzpz6qW0wMd3DrAYUbDwlxpi a9oGhh67sQrcyHSWRMwh0odvcVKRgkR5VwSIM4y8G/di7X3RECu5H+HfgCmDbrOrAPk1 Xw6nDQ+M/OS5hNh6CzpBPrbE55tN4SqBoKYBjpFm3yBYbs7pz2BJ27+E3y6JRLYP7GPJ 9t/vbDsQBlZmPTyrifbBKdTBcDEIjQzrLTh9hZc+ms14CuHU8PYdXnDFygE8C+yv9T9p /2YQ== X-Forwarded-Encrypted: i=1; AKwUvBwNMr99X9k7NXQ4an8//5IBS2SEBi5V+Xid6YMKzCvdySUkw8g0nHk5LUytvjz7ug64xW1cazqME1+h0O4=@vger.kernel.org X-Gm-Message-State: AFuF++lxxXYRSOqfi8pY5H+gRGjk7WWHIxSQ4bM+VLfZogO17f0HxLqI is7jjx2z/2a2AuFPicQ4PstrbYuShM01wM3CUU5rjJI/sxnlf9Juaqye6JOe+FW1xf12xLKFmsi xbWyHDvEs4f0j8eTzT/UXNwAG6DuSDcRzcH671Tj94rBHor9maLcW+TYMdYk= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:c2c1:10b0:6b7:46fc:1e4 with SMTP id 006d021491bc7-6b746fc0349mr6003032eaf.67.1788660452543; Sat, 05 Sep 2026 19:07:32 -0700 (PDT) Date: Sat, 05 Sep 2026 19:07:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9ccae4.37659fcc.e790.0006.GAE@google.com> Subject: [syzbot] [input?] INFO: trying to register non-static key in roccat_open From: syzbot To: bentiss@kernel.org, erazor_de@users.sourceforge.net, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: bc35965f6940 Merge tag 'mm-hotfixes-stable-2026-09-03-17-4.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1066ab49580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b454dc6b1b7acd30 dashboard link: https://syzkaller.appspot.com/bug?extid=9f7405999979761b6cfc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8cbf7acceedb/disk-bc35965f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/203c0c282c1c/vmlinux-bc35965f.xz kernel image: https://storage.googleapis.com/syzbot-assets/de1170205619/bzImage-bc35965f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9f7405999979761b6cfc@syzkaller.appspotmail.com INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 UID: 0 PID: 7946 Comm: syz.4.562 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:1000 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1315 __lock_acquire+0xaf/0x2e40 kernel/locking/lockdep.c:5128 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5908 __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline] mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578 roccat_open+0xf6/0x5d0 drivers/hid/hid-roccat.c:178 chrdev_open+0x4dc/0x600 fs/char_dev.c:411 do_dentry_open+0x849/0x1420 fs/open.c:996 vfs_open+0x3b/0x350 fs/open.c:1101 do_open fs/namei.c:4837 [inline] path_openat+0x1448/0x1d60 fs/namei.c:5000 do_file_open+0x23e/0x4a0 fs/namei.c:5029 do_sys_openat2+0x115/0x200 fs/open.c:1417 do_sys_open fs/open.c:1423 [inline] __do_sys_openat fs/open.c:1439 [inline] __se_sys_openat fs/open.c:1434 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1434 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fde12ede159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fde11136028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fde13165fa0 RCX: 00007fde12ede159 RDX: 0000000000000002 RSI: 0000200000000100 RDI: ffffffffffffff9c RBP: 00007fde12f75024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fde13166038 R14: 00007fde13165fa0 R15: 00007ffe150b2898 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup