gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x37d/0x820 fs/gfs2/quota.c:1318
gfs2: fsid=syz:syz.0: pid: 5308
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:5308 [syz-executor.0] gfs2_quota_sync+0x37d/0x820 fs/gfs2/quota.c:1318
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1551!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5308 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:add_to_queue fs/gfs2/glock.c:1551 [inline]
RIP: 0010:gfs2_glock_nq+0x1420/0x16c0 fs/gfs2/glock.c:1576
Code: a1 2f fe 0f b7 4d 00 48 c7 c7 a0 40 2c 8b 48 8b 74 24 28 89 da e8 00 89 f2 06 31 ff 48 8b 34 24 ba 01 00 00 00 e8 e0 69 ff ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 9e f5 ff ff 48 89 df e8
RSP: 0018:ffffc900064179b0 EFLAGS: 00010246
RAX: 60f229fd7b50ee00 RBX: 0000000000000008 RCX: ffff88807d0cd940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880227fa25a R08: ffffffff83b19c85 R09: fffffbfff1ca9a46
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888074a1bbe0
R13: ffff8880227fa218 R14: ffff8880227fa230 R15: ffff8880708bd140
FS:  0000555556f3a400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1a1d85440 CR3: 000000001fcb2000 CR4: 00000000003506e0
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+0x3c6/0xc70 fs/gfs2/quota.c:910
 gfs2_quota_sync+0x37d/0x820 fs/gfs2/quota.c:1318
 gfs2_sync_fs+0x4d/0xb0 fs/gfs2/super.c:665
 sync_filesystem+0xec/0x220 fs/sync.c:56
 generic_shutdown_super+0x6f/0x340 fs/super.c:473
 kill_block_super+0x84/0xf0 fs/super.c:1407
 deactivate_locked_super+0xa4/0x110 fs/super.c:331
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1177
 task_work_run+0x24a/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd9/0x100 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+0x64/0x280 kernel/entry/common.c:297
 do_syscall_64+0x4d/0x90 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc837a8d567
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 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 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcd0659ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc837a8d567
RDX: 00007ffcd065a0c9 RSI: 000000000000000a RDI: 00007ffcd065a0c0
RBP: 00007ffcd065a0c0 R08: 00000000ffffffff R09: 00007ffcd0659e90
R10: 0000555556f3b893 R11: 0000000000000246 R12: 00007fc837ae6b74
R13: 00007ffcd065b180 R14: 0000555556f3b810 R15: 00007ffcd065b1c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1551 [inline]
RIP: 0010:gfs2_glock_nq+0x1420/0x16c0 fs/gfs2/glock.c:1576
Code: a1 2f fe 0f b7 4d 00 48 c7 c7 a0 40 2c 8b 48 8b 74 24 28 89 da e8 00 89 f2 06 31 ff 48 8b 34 24 ba 01 00 00 00 e8 e0 69 ff ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 9e f5 ff ff 48 89 df e8
RSP: 0018:ffffc900064179b0 EFLAGS: 00010246
RAX: 60f229fd7b50ee00 RBX: 0000000000000008 RCX: ffff88807d0cd940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880227fa25a R08: ffffffff83b19c85 R09: fffffbfff1ca9a46
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888074a1bbe0
R13: ffff8880227fa218 R14: ffff8880227fa230 R15: ffff8880708bd140
FS:  0000555556f3a400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1a1d85440 CR3: 000000001fcb2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400