From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa2-f1.google.com (mail-oa2-f1.google.com [74.125.231.65]) (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 60CB54A1DF9 for ; Fri, 4 Sep 2026 14:03:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.231.65 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788530614; cv=none; b=GxxSMGpdo5DKwcTXNPErUHErL5F/X+vquv2ZEG9sWlUlTbxq4PQcH+vZLm9/kDNolfOu68yg5tBwJV4p7VtpTZ10L7Y8ExL6N5AMjtt5LNCVSr89OHpCJmcjul1ojfLJBLyG25/uguOW9tPPC+SGQgZ/omSIHz3l8pjEf6yjuDA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788530614; c=relaxed/simple; bh=KLQpm+4rW18F/LCxmpfihOOpO3cvxVC+reaLNVdE6vo=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=PIBBMMP11jGn6rugHJkL2725d1J72X90nRvmh8BHi4yxZwMF8tfYrykaoObj0S6RrTAZxXLf/qTZZ4lV23Rdp1PzQE6zmmLYnSjZH4o8hSZD0wJKSVHCt4zy3VxCPnoe4TSBVRaU3shufEhNiBdM+RP/nrLH8nGwRfGNN5ZWlz4= 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=74.125.231.65 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-oa2-f1.google.com with SMTP id 586e51a60fabf-448a12ddfb4so345743fac.1 for ; Fri, 04 Sep 2026 07:03:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788530611; x=1789135411; 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=cfQPBot0l1tu7zjFYCxi2tGovOJQZpN5cLMRUsOMHVY=; b=P3VTyk9bLvxc1BMxZ6xxpG34MeZYCC1RY3eCYJqD+pcK8qENkC/72B3ib6isdxj2wN P5u9kSzxhJUj6XZHE9TQgtxb4MRRAgFHUvIpb6gUvXRURmyw5WUSwjIq+FYRju6wyMK4 I3XqOqOaNEwm3sTv5uE0fLdPE4eCLR7tPqoHi+3CbdBb/eP60T0LFPtntz4LoFnoLIPU a/Kl+eyvQ8InrTtbOE6mxY4PochG0jM+n6S5m6moYaSuGyGbGq9lJFz1rnUIdQsLPG2n 5+iEtMAZ6pFrSzigmOpjiu8lMLTDTk5ikzsNhittppSbV0edIG7gEnkiMZBQWNCue21Z ygDQ== X-Forwarded-Encrypted: i=1; AKwUvBwo51h2r5NsadRZNzt/wDShDeUtQOXsB7vgTk3j5MBW21RhCm/DdVd7U3j2GPoL+mboqWLnICi7UoWgOfY=@vger.kernel.org X-Gm-Message-State: AFuF++nUHo7PfPwZQTR5hkYWjF6f/t77IUzp13i2pyPJMRsyceP5Q7r2 jf2I+PB4TlFluOj53beXpqkRVKxwRkORhqc3Wr3lV1nx2gianfkbVkPMQSTwVcSnSPv/WZ5x+aB NNMraXkPQ8l4Ut5J7sdNi9pYz9y0XHC6y32usuyKJyWl9Jpo7EOTwuQzDYgo= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1623:b0:6ae:8a52:ffa9 with SMTP id 006d021491bc7-6b6fbdc5bdcmr4671256eaf.3.1788530611282; Fri, 04 Sep 2026 07:03:31 -0700 (PDT) Date: Fri, 04 Sep 2026 07:03:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9acfb3.d07ac993.c20e9.0000.GAE@google.com> Subject: [syzbot] [xfs?] WARNING in __xfs_healthmon_insert From: syzbot To: cem@kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 9d80aa4617b3 Add linux-next specific files for 20260903 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=134908f9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb4a32c282cc2ec7 dashboard link: https://syzkaller.appspot.com/bug?extid=ccdf3469f5f653bff7ac compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17422b49580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=174908f9580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/417a63e8ac61/disk-9d80aa46.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a1d004c189c1/vmlinux-9d80aa46.xz kernel image: https://storage.googleapis.com/syzbot-assets/97413e5bd243/bzImage-9d80aa46.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/39404573136a/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=113e0215580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ccdf3469f5f653bff7ac@syzkaller.appspotmail.com XFS (loop0): Quotacheck needed: Please wait. XFS (loop0): Quotacheck: XFS (loop0): Quotacheck: Done. ------------[ cut here ]------------ debug_locks && !(lock_is_held(&(&hm->lock)->dep_map) != 0) WARNING: fs/xfs/xfs_healthmon.c:275 at __xfs_healthmon_insert+0x32b/0x4e0 fs/xfs/xfs_healthmon.c:275, CPU#0: syz-executor227/5634 Modules linked in: CPU: 0 UID: 0 PID: 5634 Comm: syz-executor227 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__xfs_healthmon_insert+0x32b/0x4e0 fs/xfs/xfs_healthmon.c:275 Code: 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 84 1f 29 fe 90 0f 0b 90 e9 51 ff ff ff e8 76 1f 29 fe 90 <0f> 0b 90 e9 a9 fd ff ff e8 68 1f 29 fe 48 8d 3d 41 df e3 0c 67 48 RSP: 0018:ffffc90003c0fbe0 EFLAGS: 00010293 RAX: ffffffff839eb57a RBX: dffffc0000000000 RCX: ffff88807f2c9f40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003c0fc90 R08: ffffffff907a6a7f R09: 1ffffffff20f4d4f R10: dffffc0000000000 R11: fffffbfff20f4d50 R12: 0000000000000000 R13: 1ffff92000781f80 R14: ffff8880342dec00 R15: ffffc90003c0fc20 FS: 0000555577e8a400(0000) GS:ffff888124cc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006a9ee0 CR3: 0000000075370000 CR4: 00000000003526f0 Call Trace: xfs_ioc_health_monitor+0x4ac/0x760 fs/xfs/xfs_healthmon.c:1222 xfs_file_ioctl+0x9fb/0xf40 fs/xfs/xfs_ioctl.c:1534 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 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: 0033:0x7fa707f17349 Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc0c2721a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffc0c2722d8 RCX: 00007fa707f17349 RDX: 0000200000000080 RSI: 0000000040205844 RDI: 0000000000000004 RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffc0c2722d8 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0c2722c8 R13: 0000000000000002 R14: 00007fa707fa9c80 R15: 0000000000000002 --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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