gfs2: fsid=syz:syz.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=syz:syz.s:  H: s:SH f:aH e:0 p:5606 [syz.0.16] statfs_by_dentry fs/statfs.c:66 [inline]
gfs2: fsid=syz:syz.s:  H: s:SH f:aH e:0 p:5606 [syz.0.16] vfs_get_fsid+0x19d/0x2a0 fs/statfs.c:77
gfs2: fsid=syz:syz.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:1542!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5606 Comm: syz.0.16 Not tainted 6.15.0-rc1-syzkaller-g0af2f6be1b42 #0 PREEMPT(full) 
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:1542 [inline]
RIP: 0010:gfs2_glock_nq+0x16dd/0x19c0 fs/gfs2/glock.c:1583
Code: fe 0f b7 4d 00 48 c7 c7 60 e3 8f 8c 48 8b 74 24 30 89 da e8 55 91 04 fd 31 ff 48 8b 74 24 18 ba 01 00 00 00 e8 34 60 ff ff 90 <0f> 0b 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 50 f1 ff ff 4c 89 f7 e8
RSP: 0018:ffffc9000ce6f978 EFLAGS: 00010246
RAX: 0f4af1afe2411f00 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff88803f87a092 R08: ffff888051763083 R09: 1ffff1100a2ec610
R10: dffffc0000000000 R11: ffffed100a2ec611 R12: ffff88803f87a022
R13: 1ffff11007f0f403 R14: ffff88803f87a030 R15: ffff888042f866c0
FS:  00007efc406c86c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3135ffff CR3: 0000000049964000 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+0x508/0xbf0 fs/gfs2/super.c:990
 statfs_by_dentry fs/statfs.c:66 [inline]
 vfs_get_fsid+0x19d/0x2a0 fs/statfs.c:77
 fanotify_test_fsid+0xb6/0x490 fs/notify/fanotify/fanotify_user.c:1690
 do_fanotify_mark+0x972/0x1020 fs/notify/fanotify/fanotify_user.c:1985
 __do_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:2067 [inline]
 __se_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:2063 [inline]
 __x64_sys_fanotify_mark+0xb5/0xd0 fs/notify/fanotify/fanotify_user.c:2063
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efc3f78d169
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:00007efc406c8038 EFLAGS: 00000246 ORIG_RAX: 000000000000012d
RAX: ffffffffffffffda RBX: 00007efc3f9a5fa0 RCX: 00007efc3f78d169
RDX: 000000004800003e RSI: 0000000000000001 RDI: 0000000000000005
RBP: 00007efc3f80e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efc3f9a5fa0 R15: 00007ffc4dff7998
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1542 [inline]
RIP: 0010:gfs2_glock_nq+0x16dd/0x19c0 fs/gfs2/glock.c:1583
Code: fe 0f b7 4d 00 48 c7 c7 60 e3 8f 8c 48 8b 74 24 30 89 da e8 55 91 04 fd 31 ff 48 8b 74 24 18 ba 01 00 00 00 e8 34 60 ff ff 90 <0f> 0b 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 50 f1 ff ff 4c 89 f7 e8
RSP: 0018:ffffc9000ce6f978 EFLAGS: 00010246
RAX: 0f4af1afe2411f00 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff88803f87a092 R08: ffff888051763083 R09: 1ffff1100a2ec610
R10: dffffc0000000000 R11: ffffed100a2ec611 R12: ffff88803f87a022
R13: 1ffff11007f0f403 R14: ffff88803f87a030 R15: ffff888042f866c0
FS:  00007efc406c86c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3135ffff CR3: 0000000049964000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400