From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f80.google.com (mail-oa1-f80.google.com [209.85.160.80]) (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 CBAB247AF5F for ; Thu, 6 Aug 2026 15:27:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786030060; cv=none; b=ZUBAjNgdh+VtArmjkDfc4XITFrNHTQGJP4k881KG8oXnRMc73kIimX9rInZhuxjRfs//dgU7IULNmPoQg0g9vU43Q1y3qMHnB2AqLVTZYj9MGNJK6bcjgsIk0amgYRIDZt5uKMbgDcw8Zf7i48ksWT4y13OCYZoM1jLJqkUMUbY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786030060; c=relaxed/simple; bh=T6EWmND9VBV/DEF3ElV3AvvOJ1/4nb6of/f1kNfnHcs=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=uzrfcPZrGds6/JYU50LNk3magx3CD6BZOF2JwysBDJU+Sl025ZE3W9vJRbPhPsptZLxVRLwGKnuQh2kNvfOrsoCzOf8zCztpG/DA/LW67O65ZsFfVqFox5hSnP5+eNJO/zXtpSH0bdarnSrLhBFloxGqdEx9oV57+gH9hmAnBVM= 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=209.85.160.80 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-oa1-f80.google.com with SMTP id 586e51a60fabf-456ae656699so2513132fac.0 for ; Thu, 06 Aug 2026 08:27:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786030057; x=1786634857; 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=Z1t2wgaOF3OaygCY77SWnGetQVPE83EEegnaU4h4YlY=; b=Xvvik6UbBU3+ak8IlOXv5GJ2HPj/nuuDH1ct+P/Bxcc7BD+tNN89jY/02LZqs457wU 8acdfqlgwhD/7lRuxpJEZPmvTiPI+Dch4uFxzkNEazHtyF9wNRvNdOB5yHIDn+qETk4x b0hIPzSOETg2w/1dDTm14P05NJ5H8lQnKaOl35k6AeBcXRQ1qlhvsiAeWHx1HSaXdi9e WZkwwoqrSJ1QZlZ25rsM/PnKTNMFOp8eNK2OdYu1oXPncnk5fR988/KlVGS6S7qj+ree oFzR75gC+5ojSoWtWyoUpkpnF3bf7o52UN0Zhd4bqNzNzXjN3sys1uIicfOcCBWqXUwS 75CA== X-Forwarded-Encrypted: i=1; AHgh+Rq4VjoyigJrSCR8HtpDWhHxMfBpL37c+7JJt8BaG/KdVUGeKpRhMO8NAPLCRUWaJkWJdXr8iBSU66h/cig=@vger.kernel.org X-Gm-Message-State: AOJu0Yy5A3WAkAN1R4Am79o1YUooPLC5ypUCCo519PdcW8EFSP19vFUT UM3v5O6PzV+xyioEoUQxdsEfDBtZGLvgmGBwYxyaKCA+9ist7pH8mlnbGlwVrZNEpn31/mu1P7I LUy0y6gaVkfpKi0uXItSYb8nke1iTrxJ7C/kYiCuS5GJp+n1I/UGFAqzM19E= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:3108:b0:6ae:7e3d:b9c8 with SMTP id 006d021491bc7-6b02124f177mr1299583eaf.9.1786030057617; Thu, 06 Aug 2026 08:27:37 -0700 (PDT) Date: Thu, 06 Aug 2026 08:27:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a74a7e9.01d0871a.3a0d52.0022.GAE@google.com> Subject: [syzbot] [usb?] INFO: trying to register non-static key in usbg_make_tpg From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 848acc8ffe1b Merge tag 'fsverity-for-linus' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14c3be32580000 kernel config: https://syzkaller.appspot.com/x/.config?x=cb17729fb04b1e3a dashboard link: https://syzkaller.appspot.com/bug?extid=e55293acfa7cc1eb8fd4 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/375d27e96ecb/disk-848acc8f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4ba19a656b9d/vmlinux-848acc8f.xz kernel image: https://storage.googleapis.com/syzbot-assets/7c2a17aaee7c/bzImage-848acc8f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e55293acfa7cc1eb8fd4@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: 0 UID: 0 PID: 5961 Comm: syz.3.42 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:984 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299 __lock_acquire+0xab/0x2ce0 kernel/locking/lockdep.c:5112 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline] mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578 usbg_make_tpg+0x147/0x590 drivers/usb/gadget/function/f_tcm.c:1678 target_fabric_make_tpg+0xa8/0x6d0 drivers/target/target_core_fabric_configfs.c:939 configfs_mkdir+0x4f6/0x9e0 fs/configfs/dir.c:1360 vfs_mkdir+0x402/0x620 fs/namei.c:5276 filename_mkdirat+0x289/0x520 fs/namei.c:5309 __do_sys_mkdirat fs/namei.c:5330 [inline] __se_sys_mkdirat+0x35/0x150 fs/namei.c:5327 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0ea03ae019 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:00007f0e9e5c4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f0ea0636180 RCX: 00007f0ea03ae019 RDX: 00000000000001ff RSI: 00002000000005c0 RDI: ffffffffffffff9c RBP: 00007f0ea044500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0ea0636218 R14: 00007f0ea0636180 R15: 00007ffdd6e20e28 --- 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