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:5181 [syz-executor338] 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: 3 PID: 5181 Comm: syz-executor338 Not tainted 6.9.0-rc5-syzkaller-00053-ge33c4963bf53 #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 20 c0 59 8b e8 06 fd b4 fd 48 8b 34 24 ba 01 00 00 00 31 ff e8 06 4f ff ff 90 <0f> 0b e8 ce 5b d4 fd 48 8b 7c 24 18 49 8d ac 24 80 00 00 00 e8 cc
RSP: 0018:ffffc9000319f948 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8880321f9f40 RCX: fffff52000633eda
RDX: ffff88801ac12440 RSI: ffffffff83b8ccfb RDI: ffffffff8b59f770
RBP: ffff888027499270 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffff888022a78000
R13: 000000000000143d R14: ffff8880321f9fc0 R15: ffff888023bd4a00
FS:  0000000000000000(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcc36e9ef8 CR3: 00000000214c0000 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
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa7d/0x2c10 kernel/exit.c:878
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1036
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32b2290749
Code: Unable to access opcode bytes at 0x7f32b229071f.
RSP: 002b:00007fff60e13808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f32b2290749
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f32b231f2b0 R08: ffffffffffffffb8 R09: 0000000000013420
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f32b231f2b0
R13: 0000000000000000 R14: 00007f32b2320020 R15: 00007f32b225ec90
 </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 20 c0 59 8b e8 06 fd b4 fd 48 8b 34 24 ba 01 00 00 00 31 ff e8 06 4f ff ff 90 <0f> 0b e8 ce 5b d4 fd 48 8b 7c 24 18 49 8d ac 24 80 00 00 00 e8 cc
RSP: 0018:ffffc9000319f948 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8880321f9f40 RCX: fffff52000633eda
RDX: ffff88801ac12440 RSI: ffffffff83b8ccfb RDI: ffffffff8b59f770
RBP: ffff888027499270 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffff888022a78000
R13: 000000000000143d R14: ffff8880321f9fc0 R15: ffff888023bd4a00
FS:  0000000000000000(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcc36e9ef8 CR3: 00000000214c0000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400