gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370
gfs2: fsid=syz:syz.0: pid: 5101
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:6 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:5101 [syz-executor.0] gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1576!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 5101 Comm: syz-executor.0 Not tainted 6.9.0-rc3-next-20240412-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:add_to_queue fs/gfs2/glock.c:1576 [inline]
RIP: 0010:gfs2_glock_nq+0x174b/0x1ab0 fs/gfs2/glock.c:1620
Code: fe 0f b7 0b 48 c7 c7 80 65 0e 8c 48 8b 74 24 20 44 89 f2 e8 17 96 a4 07 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 a6 61 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3e f8 ff ff 48 89 df e8
RSP: 0000:ffffc9000366f9f8 EFLAGS: 00010246
RAX: d5ff92a23b972200 RBX: ffff888066de005a RCX: ffff888067a93c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83dc8eb7 R09: 1ffffffff1f57cd5
R10: dffffc0000000000 R11: fffffbfff1f57cd6 R12: ffff888066de0022
R13: 1ffff1100cdbc003 R14: 0000000000000008 R15: ffff888066de0018
FS:  000055556f566480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8b02bac000 CR3: 000000006780c000 CR4: 00000000003506f0
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]
 do_sync+0x3cc/0xec0 fs/gfs2/quota.c:946
 gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370
 gfs2_sync_fs+0x4d/0xc0 fs/gfs2/super.c:674
 sync_filesystem+0xea/0x240 fs/sync.c:56
 generic_shutdown_super+0x72/0x2d0 fs/super.c:620
 kill_block_super+0x44/0x90 fs/super.c:1675
 deactivate_locked_super+0xc4/0x130 fs/super.c:472
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x10a/0x250 arch/x86/entry/common.c:111
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5caca7f197
Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffec16f44a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5caca7f197
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffec16f4560
RBP: 00007ffec16f4560 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffec16f5620
R13: 00007f5cacac93b9 R14: 0000000000017a14 R15: 0000000000000002
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1576 [inline]
RIP: 0010:gfs2_glock_nq+0x174b/0x1ab0 fs/gfs2/glock.c:1620
Code: fe 0f b7 0b 48 c7 c7 80 65 0e 8c 48 8b 74 24 20 44 89 f2 e8 17 96 a4 07 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 a6 61 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3e f8 ff ff 48 89 df e8
RSP: 0000:ffffc9000366f9f8 EFLAGS: 00010246
RAX: d5ff92a23b972200 RBX: ffff888066de005a RCX: ffff888067a93c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83dc8eb7 R09: 1ffffffff1f57cd5
R10: dffffc0000000000 R11: fffffbfff1f57cd6 R12: ffff888066de0022
R13: 1ffff1100cdbc003 R14: 0000000000000008 R15: ffff888066de0018
FS:  000055556f566480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8b02bac000 CR3: 000000006780c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400