From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f79.google.com (mail-io1-f79.google.com [209.85.166.79]) (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 56F9E3987D for ; Tue, 3 Dec 2024 21:04:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733259865; cv=none; b=MjTB4+3w8oMc2oYcX/iSf5CsBl7mRKaECug728AOF0hReWoKTZPMu3WJ/iIB4rf2aSe4ssjFL5cCxiQ3EkhOz1f7STWSDMeJ6JpXVpdYh2bnKLFXVjp9+Z1MbuMP1hngLW3Pq3WaS6WpZJKcjowcO8xTyJObeVd2lK8UUbQhw2o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733259865; c=relaxed/simple; bh=p9KGF1tXK96+xVWp6kAhNDeWzYhXNkfodD4r83i0sO4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SbVsD7wi8KPuIZmeoijUYzQfLga4Va7kXOVPsGcRL25rGTmHWQIUNdapy1RySDiAesTX3ypH6OVMG4KB4epqAjeMThjYckmbeSUMZuaHIW5GmSmqHdJuiszcVbTSaESRb2gHSM2nd3yXguXzFhsIEmj1c8yltCFLzXdrVTd8Uco= 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=209.85.166.79 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-io1-f79.google.com with SMTP id ca18e2360f4ac-843eb4505e7so965747239f.0 for ; Tue, 03 Dec 2024 13:04:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733259863; x=1733864663; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=q4yB23HjOn9fKvuVDGPwogtC6bYUn7JMXT+BNWoNBfA=; b=A8zfU0fTRRzkcZ1pL5vwY0yObc3ndHeUfMo6h5ZZcd4w25Y6ny0/XjDE5JyPckYbTl MAZZI18pHCaC05mNKtOs+9dw3T84/iRur0YxixenhxzObOtrw8FquIGvsCXdlB+sQRAq yrMrrPcUYd+FyvQOqtPXSsT871nh9SPGHNTYoCVDT8mZPpRW49Oa5ezkAh4Q8x9wkSAO oCrBhD4VFZKWR8OX9VPKwV0qFSRkCu6pkav/f4EUYewZSXDSCEscfi7B+qECxxuSCJ0U TwPbqcB1IQDHeT+wH0GnKnJTtrhtO9IKKOBX4AlPEbOM4/9qXa87H0Yf9Bl0f7pQty+5 xX4A== X-Gm-Message-State: AOJu0YzQoCrdkQhswidTcJCCEnAb6rn5Busrko+N++ZK9SmlE/p14KLQ JcHBvkJ4+3ONTVv2O3Hh0y/qj8jKxWFUu43qzjO1gxt3tg817xEFqg9I4NIXY4FaZi/QN9lh2u1 XNbDaCnJnn2bdUuERjpj8fT4B2ScpXWl6/Deff2f02cqujuEA8eIavzzb+w== X-Google-Smtp-Source: AGHT+IFnHaz9/ZmLepu9VwXCO1HNNHKzdU9GqRoSv0jw1Ks7HbO+kAxYXo7tiKzICIw3STzhLJoGUtstV/16cN1AvZl2wYylvr9x Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c54f:0:b0:3a7:4674:d637 with SMTP id e9e14a558f8ab-3a7fecb1df1mr28350215ab.3.1733259863443; Tue, 03 Dec 2024 13:04:23 -0800 (PST) Date: Tue, 03 Dec 2024 13:04:23 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <674f7257.050a0220.17bd51.0051.GAE@google.com> Subject: [syzbot] [kernel?] WARNING in notifier_chain_register (2) From: syzbot To: 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: cdd30ebb1b9f module: Convert symbol namespace to string li.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1242efc0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=50c7a61469ce77e7 dashboard link: https://syzkaller.appspot.com/bug?extid=8b5a4b73931f20e049d7 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/658bd206f462/disk-cdd30ebb.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/12cb86080d87/vmlinux-cdd30ebb.xz kernel image: https://storage.googleapis.com/syzbot-assets/5181aac6587a/bzImage-cdd30ebb.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8b5a4b73931f20e049d7@syzkaller.appspotmail.com ubi0: attaching mtd0 ubi0: scanning is finished ------------[ cut here ]------------ notifier callback ubi_wl_reboot_notifier already registered WARNING: CPU: 0 PID: 9647 at kernel/notifier.c:24 notifier_chain_register+0x29b/0x3f0 kernel/notifier.c:23 Modules linked in: CPU: 0 UID: 0 PID: 9647 Comm: syz.5.633 Not tainted 6.13.0-rc1-syzkaller-00002-gcdd30ebb1b9f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:notifier_chain_register+0x29b/0x3f0 kernel/notifier.c:23 Code: f2 33 00 90 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 c5 d9 9e 00 48 8b 33 48 c7 c7 40 02 0a 8c e8 36 99 f4 ff 90 <0f> 0b 90 90 bb ef ff ff ff eb b4 e8 d5 f1 33 00 90 0f 0b 90 e9 36 RSP: 0018:ffffc9000bbe7948 EFLAGS: 00010246 RAX: 1aaf62e18450e600 RBX: ffff8880783ad8c8 RCX: 0000000000080000 RDX: ffffc90010051000 RSI: 0000000000009f08 RDI: 0000000000009f09 RBP: 0000000000000001 R08: ffffffff81601c02 R09: fffffbfff1cfa210 R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: dffffc0000000000 R13: ffff8880783ad8c8 R14: dffffc0000000000 R15: ffffffff8f96cd48 FS: 00007f68a13f66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f616ff8 CR3: 0000000029dcc000 CR4: 0000000000350ef0 Call Trace: __blocking_notifier_chain_register kernel/notifier.c:264 [inline] blocking_notifier_chain_register+0x61/0xc0 kernel/notifier.c:282 ubi_wl_init+0x3396/0x3720 drivers/mtd/ubi/wl.c:1960 ubi_attach+0x3e01/0x5b80 drivers/mtd/ubi/attach.c:1605 ubi_attach_mtd_dev+0x1a3a/0x3540 drivers/mtd/ubi/build.c:1004 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f68a357ff19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f68a13f6058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f68a3746160 RCX: 00007f68a357ff19 RDX: 0000000020000502 RSI: 0000000040186f40 RDI: 0000000000000008 RBP: 00007f68a35f3986 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f68a3746160 R15: 00007ffca371fc38 --- 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