loop0: detected capacity change from 0 to 32768
gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
gfs2: fsid=statfs_quantum.s: first mount done, others may mount
gfs2: fsid=statfs_quantum.s: original: statfs_by_dentry fs/statfs.c:66 [inline]
gfs2: fsid=statfs_quantum.s: original: vfs_get_fsid+0x187/0x280 fs/statfs.c:77
gfs2: fsid=statfs_quantum.s: pid: 5316
gfs2: fsid=statfs_quantum.s: lock type: 3 req lock state : 3
gfs2: fsid=statfs_quantum.s: new: statfs_by_dentry fs/statfs.c:66 [inline]
gfs2: fsid=statfs_quantum.s: new: vfs_get_fsid+0x187/0x280 fs/statfs.c:77
gfs2: fsid=statfs_quantum.s: pid: 5316
gfs2: fsid=statfs_quantum.s: lock type: 3 req lock state : 3
gfs2: fsid=statfs_quantum.s: G:  s:SH n:3/12 f:aqobn t:SH d:EX/0 a:0 v:0 r:3 m:20 p:0
gfs2: fsid=statfs_quantum.s:  H: s:SH f:aH e:0 p:5316 [syz.0.0] statfs_by_dentry fs/statfs.c:66 [inline]
gfs2: fsid=statfs_quantum.s:  H: s:SH f:aH e:0 p:5316 [syz.0.0] vfs_get_fsid+0x187/0x280 fs/statfs.c:77
gfs2: fsid=statfs_quantum.s:  R: n:18 f:80000000 b:0/0 i:0 q:0 r:0 e:0
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1549!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:add_to_queue fs/gfs2/glock.c:1549 [inline]
RIP: 0010:gfs2_glock_nq+0x172a/0x1aa0 fs/gfs2/glock.c:1590
Code: fe 0f b7 4d 00 48 c7 c7 e0 45 4e 8c 48 8b 74 24 40 89 da e8 a8 74 1c fd 31 ff 48 8b 74 24 10 ba 01 00 00 00 e8 77 60 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7a f9 ff ff 48 89 df e8
RSP: 0018:ffffc9000d267a50 EFLAGS: 00010246
RAX: 45f9ccf82f6cd100 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff88805254a092 R08: ffff888040273083 R09: 1ffff1100804e610
R10: dffffc0000000000 R11: ffffed100804e611 R12: ffff88805254a000
R13: 1ffff1100a4a9403 R14: ffff88805254a022 R15: ffff88805254a018
FS:  00007f6d80b906c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d749ff000 CR3: 0000000045a82000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:238 [inline]
 gfs2_statfs_slow fs/gfs2/super.c:916 [inline]
 gfs2_statfs+0x377/0x940 fs/gfs2/super.c:990
 statfs_by_dentry fs/statfs.c:66 [inline]
 vfs_get_fsid+0x187/0x280 fs/statfs.c:77
 fanotify_test_fsid+0xb5/0x470 fs/notify/fanotify/fanotify_user.c:1579
 do_fanotify_mark+0x775/0xda0 fs/notify/fanotify/fanotify_user.c:1839
 __do_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:1917 [inline]
 __se_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:1913 [inline]
 __x64_sys_fanotify_mark+0xb5/0xd0 fs/notify/fanotify/fanotify_user.c:1913
 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: 0033:0x7f6d7fd85d29
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:00007f6d80b90038 EFLAGS: 00000246 ORIG_RAX: 000000000000012d
RAX: ffffffffffffffda RBX: 00007f6d7ff75fa0 RCX: 00007f6d7fd85d29
RDX: 000000000800003e RSI: 0000000000000001 RDI: 0000000000000008
RBP: 00007f6d7fe01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6d7ff75fa0 R15: 00007ffee4007c98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1549 [inline]
RIP: 0010:gfs2_glock_nq+0x172a/0x1aa0 fs/gfs2/glock.c:1590
Code: fe 0f b7 4d 00 48 c7 c7 e0 45 4e 8c 48 8b 74 24 40 89 da e8 a8 74 1c fd 31 ff 48 8b 74 24 10 ba 01 00 00 00 e8 77 60 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7a f9 ff ff 48 89 df e8
RSP: 0018:ffffc9000d267a50 EFLAGS: 00010246
RAX: 45f9ccf82f6cd100 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff88805254a092 R08: ffff888040273083 R09: 1ffff1100804e610
R10: dffffc0000000000 R11: ffffed100804e611 R12: ffff88805254a000
R13: 1ffff1100a4a9403 R14: ffff88805254a022 R15: ffff88805254a018
FS:  00007f6d80b906c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d749ff000 CR3: 0000000045a82000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400