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:6106 [syz-executor.2] gfs2_quota_sync+0x419/0x630 fs/gfs2/quota.c:1370
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1560!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 6106 Comm: syz-executor.2 Not tainted 6.9.0-rc4-syzkaller-00214-g13a2e429f644 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:add_to_queue fs/gfs2/glock.c:1560 [inline]
RIP: 0010:gfs2_glock_nq+0xc7b/0x1cd0 fs/gfs2/glock.c:1604
Code: 03 0f 8e 56 0d 00 00 8b 53 18 48 89 ee 48 c7 c7 e0 ab 59 8b e8 86 1e b5 fd 48 8b 34 24 ba 01 00 00 00 31 ff e8 06 4f ff ff 90 <0f> 0b e8 4e 7d d4 fd 48 8b 7c 24 18 49 8d ac 24 80 00 00 00 e8 ec
RSP: 0018:ffffc90003b2fa48 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8880341e4640 RCX: fffff52000765efa
RDX: ffff88801b892440 RSI: ffffffff83b8ab7b RDI: ffffffff8b59e330
RBP: ffff88802c93d270 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffff88802ab5e640
R13: 00000000000017da R14: ffff8880341e46c0 R15: ffff88802c647600
FS:  0000555558dbb480(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c924000 CR3: 00000000432dc000 CR4: 0000000000350ef0
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+0x45a/0xd30 fs/gfs2/quota.c:946
 gfs2_quota_sync+0x419/0x630 fs/gfs2/quota.c:1370
 gfs2_sync_fs+0x44/0xb0 fs/gfs2/super.c:669
 sync_filesystem+0x10d/0x290 fs/sync.c:56
 generic_shutdown_super+0x7e/0x3d0 fs/super.c:620
 kill_block_super+0x3b/0x90 fs/super.c:1675
 gfs2_kill_sb+0x360/0x410 fs/gfs2/ops_fstype.c:1804
 deactivate_locked_super+0xbe/0x1a0 fs/super.c:472
 deactivate_super+0xde/0x100 fs/super.c:505
 cleanup_mnt+0x222/0x450 fs/namespace.c:1267
 task_work_run+0x14e/0x250 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+0x278/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x260 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ba127f1d7
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:00007ffed7f37ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7ba127f1d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffed7f37b90
RBP: 00007ffed7f37b90 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffed7f38c50
R13: 00007f7ba12c93b9 R14: 0000000000039f00 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1560 [inline]
RIP: 0010:gfs2_glock_nq+0xc7b/0x1cd0 fs/gfs2/glock.c:1604
Code: 03 0f 8e 56 0d 00 00 8b 53 18 48 89 ee 48 c7 c7 e0 ab 59 8b e8 86 1e b5 fd 48 8b 34 24 ba 01 00 00 00 31 ff e8 06 4f ff ff 90 <0f> 0b e8 4e 7d d4 fd 48 8b 7c 24 18 49 8d ac 24 80 00 00 00 e8 ec
RSP: 0018:ffffc90003b2fa48 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8880341e4640 RCX: fffff52000765efa
RDX: ffff88801b892440 RSI: ffffffff83b8ab7b RDI: ffffffff8b59e330
RBP: ffff88802c93d270 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffff88802ab5e640
R13: 00000000000017da R14: ffff8880341e46c0 R15: ffff88802c647600
FS:  0000555558dbb480(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c924000 CR3: 00000000432dc000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400