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_statfs+0x147/0x2d0 fs/statfs.c:90
gfs2: fsid=statfs_quantum.s: pid: 5327
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_statfs+0x147/0x2d0 fs/statfs.c:90
gfs2: fsid=statfs_quantum.s: pid: 5327
gfs2: fsid=statfs_quantum.s: lock type: 3 req lock state : 3
gfs2: fsid=statfs_quantum.s: G:  s:SH n:3/12 f:aqon 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:5327 [syz.0.0] statfs_by_dentry fs/statfs.c:66 [inline]
gfs2: fsid=statfs_quantum.s:  H: s:SH f:aH e:0 p:5327 [syz.0.0] vfs_statfs+0x147/0x2d0 fs/statfs.c:90
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:1527!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #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:1527 [inline]
RIP: 0010:gfs2_glock_nq+0x146e/0x1830 fs/gfs2/glock.c:1568
Code: 29 fe 0f b7 0b 48 c7 c7 60 7a b1 8b 48 8b 74 24 20 89 ea e8 04 3f 2a fd 31 ff 48 8b 74 24 18 ba 01 00 00 00 e8 d3 67 ff ff 90 <0f> 0b 44 89 f9 80 e1 07 fe c1 38 c1 0f 8c b8 ed ff ff 4c 89 ff e8
RSP: 0018:ffffc9000d45fae0 EFLAGS: 00010246
RAX: a7eaddc631ddc500 RBX: ffff888011ed8092 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 00000000ffffffff
RBP: 0000000000000003 R08: ffff88805260b083 R09: 1ffff1100a4c1610
R10: dffffc0000000000 R11: ffffed100a4c1611 R12: 1ffff110023db003
R13: ffff888011ed8018 R14: ffff888051cbe658 R15: ffff888011ed8022
FS:  00007f344999b6c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d02f909c0 CR3: 00000000409fb000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:252 [inline]
 gfs2_statfs_slow fs/gfs2/super.c:910 [inline]
 gfs2_statfs+0x41f/0xa50 fs/gfs2/super.c:984
 statfs_by_dentry fs/statfs.c:66 [inline]
 vfs_statfs+0x147/0x2d0 fs/statfs.c:90
 fd_statfs fs/statfs.c:121 [inline]
 __do_sys_fstatfs fs/statfs.c:214 [inline]
 __se_sys_fstatfs+0xd9/0x1f0 fs/statfs.c:211
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3448b8efc9
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:00007f344999b038 EFLAGS: 00000246 ORIG_RAX: 000000000000008a
RAX: ffffffffffffffda RBX: 00007f3448de5fa0 RCX: 00007f3448b8efc9
RDX: 0000000000000000 RSI: 0000200000000380 RDI: 0000000000000006
RBP: 00007f3448c11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3448de6038 R14: 00007f3448de5fa0 R15: 00007ffd9584b298
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1527 [inline]
RIP: 0010:gfs2_glock_nq+0x146e/0x1830 fs/gfs2/glock.c:1568
Code: 29 fe 0f b7 0b 48 c7 c7 60 7a b1 8b 48 8b 74 24 20 89 ea e8 04 3f 2a fd 31 ff 48 8b 74 24 18 ba 01 00 00 00 e8 d3 67 ff ff 90 <0f> 0b 44 89 f9 80 e1 07 fe c1 38 c1 0f 8c b8 ed ff ff 4c 89 ff e8
RSP: 0018:ffffc9000d45fae0 EFLAGS: 00010246
RAX: a7eaddc631ddc500 RBX: ffff888011ed8092 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 00000000ffffffff
RBP: 0000000000000003 R08: ffff88805260b083 R09: 1ffff1100a4c1610
R10: dffffc0000000000 R11: ffffed100a4c1611 R12: 1ffff110023db003
R13: ffff888011ed8018 R14: ffff888051cbe658 R15: ffff888011ed8022
FS:  00007f344999b6c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d02f909c0 CR3: 00000000409fb000 CR4: 0000000000352ef0