gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1329
gfs2: fsid=syz:syz.0: pid: 23968
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:23968 [syz-executor.2] gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1329
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1562!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 23968 Comm: syz-executor.2 Not tainted 6.1.70-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:add_to_queue fs/gfs2/glock.c:1562 [inline]
RIP: 0010:gfs2_glock_nq+0x166f/0x18a0 fs/gfs2/glock.c:1587
Code: 2c fe 0f b7 4d 00 48 c7 c7 80 48 30 8b 48 8b 74 24 20 89 da e8 6b 01 d3 06 31 ff 48 8b 74 24 28 ba 01 00 00 00 e8 e1 72 ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 8c ee ff ff 48 89 df e8 38
RSP: 0018:ffffc9000320f9b8 EFLAGS: 00010246
RAX: 9063000857270b00 RBX: 0000000000000008 RCX: 1ffff92000641ee8
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88807bf3185a R08: ffffffff83b4ddf0 R09: fffffbfff1ce6996
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88808e559020
R13: ffff88807bf31838 R14: ffff88807bf31830 R15: 1ffff1100f7e6303
FS:  00005555566e5480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33020000 CR3: 0000000036276000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 00000000000000ad DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:264 [inline]
 do_sync+0x3c2/0xc70 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1329
 gfs2_sync_fs+0x49/0xb0 fs/gfs2/super.c:648
 sync_filesystem+0xe8/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x340 fs/super.c:474
 kill_block_super+0x7a/0xe0 fs/super.c:1459
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f781fc7e017
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:00007ffc67473298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f781fc7e017
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc67473350
RBP: 00007ffc67473350 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc67474410
R13: 00007f781fcc83b9 R14: 00000000001e5a8b R15: 0000000000000004
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1562 [inline]
RIP: 0010:gfs2_glock_nq+0x166f/0x18a0 fs/gfs2/glock.c:1587
Code: 2c fe 0f b7 4d 00 48 c7 c7 80 48 30 8b 48 8b 74 24 20 89 da e8 6b 01 d3 06 31 ff 48 8b 74 24 28 ba 01 00 00 00 e8 e1 72 ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 8c ee ff ff 48 89 df e8 38
RSP: 0018:ffffc9000320f9b8 EFLAGS: 00010246
RAX: 9063000857270b00 RBX: 0000000000000008 RCX: 1ffff92000641ee8
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88807bf3185a R08: ffffffff83b4ddf0 R09: fffffbfff1ce6996
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88808e559020
R13: ffff88807bf31838 R14: ffff88807bf31830 R15: 1ffff1100f7e6303
FS:  00005555566e5480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33020000 CR3: 0000000036276000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 00000000000000ad DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400