From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 ACC1F2BAF4 for ; Mon, 2 Jun 2025 22:53:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748904816; cv=none; b=ZU2oF5aADjjp12Kx2sRtJNdhDv/EFwgeNNL2tN7nBiqpVLY3lEJmiqb8ZQlIU19bDx7+V8/hbK89MkTYeceRdW57pzreE/gNQBKrMMGg6I8sjsC+BsOmVsiFWT43+FU36UnqLh2JzZTqcY7ZrenvWvpFjfWbgCvTxJZkRUPh/jw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748904816; c=relaxed/simple; bh=PEJ3NZ/aqj5uNUieXGvZv/sDbEZjhqfLZR4i3mESdeU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=P73/JgU8UMOTENhEtVN4oph4dsRLT60ZoyOKfo4Dgk3p3i7XqygkyljoGJPlN/tHK2cV+D69WagyZ/jCa6C5P2TvuPpP5bHzfOe8LKgTjysU5OSWEhbSKvTsQH8wQiZpffsn8enA+eg6sdH3fjrLT2LfsFRqUx6oOoBYGfjkhEQ= 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=209.85.166.207 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-il1-f207.google.com with SMTP id e9e14a558f8ab-3dd7587af8dso43381985ab.1 for ; Mon, 02 Jun 2025 15:53:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748904814; x=1749509614; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=0P8CtH7DN52un8cx+9bTJnUvdBlcWBKsDNwQ3CQyZ24=; b=fO6IDrF0ADvRhwAnBXlmpAATdWxpam9zERzrFNjKM6qxeLZbHt5q2BKAPi3E13y91/ ih1XIX70tp3p2x8/8eUQICettRtuL+/V+vg2SEuHMBnh2HdBL2XBmTtVs0rp+vM6I1EQ xbByyOMsphaWomZ/Yfxov4KbRnvGRwm81mj+ETSbXZuPcsq4lN5u0KTVs0g/jb1b29tK ECFRlLQZzrk//PYo9HLvtxSgBD88ZVicYaq/XGRkqq8b5YkcyFJumEDZjFUsAYmtIFe3 NMhl4xy6oMyJyyAeukbPid71gyYwcx+6TOvEwyoYKpjQZuIDMR8Jx6peMIMJpjbbDKxg AVKQ== X-Forwarded-Encrypted: i=1; AJvYcCUyAdhZNPiPnRhZLIh559f2Ra7yr+XVm3WIIsG52HTjdRPSC0tXV+gMt7l3BHmZPUZ4pOcU@lists.linux.dev X-Gm-Message-State: AOJu0YxuFPoilfsKwinIm5ZTER1hEpz66dnzcVe7b/lcSS1tmqitkX6Q W/WESBTUQLZJmNvQ9KwjlBvOxQoiE+z1qghZd+oJwC474tUznxcgKHT3Jx7ZsxnBu+ASoJobuBw 2ZJy+EtiP5fGAPcxTJx07M6X/q4B8KP6NDzmBR/zF0mnsKvxnBiwZvdn7EZY= X-Google-Smtp-Source: AGHT+IElIJ4rSrLqt/xbRuyJj91nm9FjHtYkzaX1JyYdV8TylwJGLI4FunXbI7VWkg6Yd6iy4uxL5BgtslfGX/Ddq6e9BVzBTrvO Precedence: bulk X-Mailing-List: gfs2@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a25:b0:3d8:1d7c:e197 with SMTP id e9e14a558f8ab-3dd99be48a7mr174051315ab.7.1748904813742; Mon, 02 Jun 2025 15:53:33 -0700 (PDT) Date: Mon, 02 Jun 2025 15:53:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <683e2b6d.a00a0220.d8eae.005b.GAE@google.com> Subject: [syzbot] [gfs2?] kernel BUG in do_qc From: syzbot To: agruenba@redhat.com, gfs2@lists.linux.dev, 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: e0797d3b91de Merge tag 'fs_for_v6.16-rc1' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15906482580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d8dc7eba91909b25 dashboard link: https://syzkaller.appspot.com/bug?extid=bad65435361712796381 compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/9c217b1391c8/disk-e0797d3b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/610d0945fbb8/vmlinux-e0797d3b.xz kernel image: https://storage.googleapis.com/syzbot-assets/873bcc0b4e15/bzImage-e0797d3b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+bad65435361712796381@syzkaller.appspotmail.com gfs2: fsid=syz:syz.0: fatal assertion failed ------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:320! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 15470 Comm: syz.7.1727 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__qd_hold fs/gfs2/quota.c:320 [inline] RIP: 0010:do_qc+0x5c1/0x5e0 fs/gfs2/quota.c:705 Code: 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 74 0a 48 8b 7c 24 10 e8 ed ac 2d fe 48 8b 44 24 10 48 8b 38 e8 00 9a 34 fd 90 <0f> 0b e8 38 8f ca fd 48 8b 7c 24 10 e8 ee 99 34 fd 90 0f 0b 66 66 RSP: 0018:ffffc90004897870 EFLAGS: 00010246 RAX: 000000000000002c RBX: 1ffff1100fcd880e RCX: 6b8263604adfeb00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffffffffffff R08: ffffc90004897547 R09: 1ffff92000912ea8 R10: dffffc0000000000 R11: fffff52000912ea9 R12: ffff88807e6c4000 R13: ffff88807e6c4070 R14: ffff88807e6c4090 R15: 0000000000000000 FS: 00005555633cd500(0000) GS:ffff888125d64000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1ec997ed38 CR3: 000000005be83000 CR4: 0000000000350ef0 Call Trace: gfs2_quota_change+0x394/0x800 fs/gfs2/quota.c:1304 gfs2_free_di+0x2db/0x3f0 fs/gfs2/rgrp.c:2592 gfs2_dinode_dealloc+0x30d/0x3e0 fs/gfs2/inode.c:497 evict_unlinked_inode fs/gfs2/super.c:1332 [inline] gfs2_evict_inode+0xe0b/0x1000 fs/gfs2/super.c:1429 evict+0x504/0x9c0 fs/inode.c:810 __dentry_kill+0x209/0x660 fs/dcache.c:669 dput+0x19f/0x2b0 fs/dcache.c:911 __fput+0x68e/0xa70 fs/file_table.c:473 task_work_run+0x1d4/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff80c58e969 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:00007ffdc7ba0008 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 000000000015531b RCX: 00007ff80c58e969 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007ff80c7b7ba0 R08: 0000000000000001 R09: 0000000dc7ba02ff R10: 00007ff80c400000 R11: 0000000000000246 R12: 00007ff80c7b5fac R13: 00007ff80c7b5fa0 R14: ffffffffffffffff R15: 00007ffdc7ba0120 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__qd_hold fs/gfs2/quota.c:320 [inline] RIP: 0010:do_qc+0x5c1/0x5e0 fs/gfs2/quota.c:705 Code: 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 74 0a 48 8b 7c 24 10 e8 ed ac 2d fe 48 8b 44 24 10 48 8b 38 e8 00 9a 34 fd 90 <0f> 0b e8 38 8f ca fd 48 8b 7c 24 10 e8 ee 99 34 fd 90 0f 0b 66 66 RSP: 0018:ffffc90004897870 EFLAGS: 00010246 RAX: 000000000000002c RBX: 1ffff1100fcd880e RCX: 6b8263604adfeb00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffffffffffff R08: ffffc90004897547 R09: 1ffff92000912ea8 R10: dffffc0000000000 R11: fffff52000912ea9 R12: ffff88807e6c4000 R13: ffff88807e6c4070 R14: ffff88807e6c4090 R15: 0000000000000000 FS: 00005555633cd500(0000) GS:ffff888125d64000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1ec997ed38 CR3: 000000005be83000 CR4: 0000000000350ef0 --- 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