gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x2e6/0x660 fs/gfs2/quota.c:1318
gfs2: fsid=syz:syz.0: pid: 4992
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:5 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4992 [syz-executor391] gfs2_quota_sync+0x2e6/0x660 fs/gfs2/quota.c:1318
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1551!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4992 Comm: syz-executor391 Not tainted 6.4.0-rc5-syzkaller-00245-g64569520920a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:add_to_queue fs/gfs2/glock.c:1551 [inline]
RIP: 0010:gfs2_glock_nq+0xa2a/0x1920 fs/gfs2/glock.c:1576
Code: 3c 03 0f 8e 88 0e 00 00 8b 53 18 4c 89 e6 48 c7 c7 40 ce 97 8a e8 76 46 d5 fd 48 8b 34 24 ba 01 00 00 00 31 ff e8 66 57 ff ff <0f> 0b 4c 8b 7c 24 18 e8 aa 62 f1 fd 0f 1f 44 00 00 e8 a0 62 f1 fd
RSP: 0018:ffffc90003357920 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888073732320 RCX: 0000000000000000
RDX: ffff88807ea42200 RSI: ffffffff839173cb RDI: ffffffff8a9805d0
RBP: ffff88807ce4ca38 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888075dcd278
R13: 0000000000001380 R14: ffff88807ce4ca00 R15: ffff88807ce4ca22
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69a51cf140 CR3: 000000007cc50000 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:261 [inline]
 do_sync+0x4b9/0xcf0 fs/gfs2/quota.c:910
 gfs2_quota_sync+0x2e6/0x660 fs/gfs2/quota.c:1318
 gfs2_sync_fs+0x44/0xb0 fs/gfs2/super.c:665
 sync_filesystem.part.0+0x75/0x1d0 fs/sync.c:56
 sync_filesystem+0x8f/0xc0 fs/sync.c:43
 generic_shutdown_super+0x74/0x480 fs/super.c:473
 kill_block_super+0xa1/0x100 fs/super.c:1407
 gfs2_kill_sb+0x378/0x430 fs/gfs2/ops_fstype.c:1804
 deactivate_locked_super+0x98/0x160 fs/super.c:331
 deactivate_super+0xb1/0xd0 fs/super.c:362
 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xaa3/0x29b0 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f69a5148999
Code: Unable to access opcode bytes at 0x7f69a514896f.
RSP: 002b:00007fffc8b4a028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f69a51d1330 RCX: 00007f69a5148999
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000134ba
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69a51d1330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1551 [inline]
RIP: 0010:gfs2_glock_nq+0xa2a/0x1920 fs/gfs2/glock.c:1576
Code: 3c 03 0f 8e 88 0e 00 00 8b 53 18 4c 89 e6 48 c7 c7 40 ce 97 8a e8 76 46 d5 fd 48 8b 34 24 ba 01 00 00 00 31 ff e8 66 57 ff ff <0f> 0b 4c 8b 7c 24 18 e8 aa 62 f1 fd 0f 1f 44 00 00 e8 a0 62 f1 fd
RSP: 0018:ffffc90003357920 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888073732320 RCX: 0000000000000000
RDX: ffff88807ea42200 RSI: ffffffff839173cb RDI: ffffffff8a9805d0
RBP: ffff88807ce4ca38 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888075dcd278
R13: 0000000000001380 R14: ffff88807ce4ca00 R15: ffff88807ce4ca22
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69a51cf140 CR3: 000000007cc50000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400