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:5662 [gfs2_quotad] gfs2_quota_sync+0x2cc/0x4e8 fs/gfs2/quota.c:1329
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1560!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5662 Comm: gfs2_quotad Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : add_to_queue fs/gfs2/glock.c:1559 [inline]
pc : gfs2_glock_nq+0xeb4/0x11c4 fs/gfs2/glock.c:1585
lr : add_to_queue fs/gfs2/glock.c:1559 [inline]
lr : gfs2_glock_nq+0xeb4/0x11c4 fs/gfs2/glock.c:1585
sp : ffff800021c57a60
x29: ffff800021c57aa0 x28: 0000000000000400 x27: dfff800000000000
x26: ffff0000d1824dc0 x25: ffff0000f675da00 x24: ffff0000f675da00
x23: 0000000000000000 x22: ffff0000f675da5a x21: ffff0000e1efbb60
x20: ffff0000e1efbb78 x19: 0000000000000008 x18: 1fffe00033e7ff7e
x17: 736667205d646174 x16: ffff800011b3e320 x15: 5b20323636353a70
x14: 0000000000000001 x13: 1ffff0000438ae0c x12: 0000000000000000
x11: ff0080000a2053dc x10: 0000000000000000 x9 : 16c248e1ae348d00
x8 : 16c248e1ae348d00 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff800021c57078 x4 : 0000000000000004 x3 : 0000000000000030
x2 : 000000000000000c x1 : 0000000000000000 x0 : ffff70000438aefc
Call trace:
 add_to_queue fs/gfs2/glock.c:1559 [inline]
 gfs2_glock_nq+0xeb4/0x11c4 fs/gfs2/glock.c:1585
 gfs2_glock_nq_init fs/gfs2/glock.h:255 [inline]
 do_sync+0x370/0xa68 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x2cc/0x4e8 fs/gfs2/quota.c:1329
 quotad_check_timeo fs/gfs2/quota.c:1519 [inline]
 gfs2_quotad+0x30c/0x520 fs/gfs2/quota.c:1566
 kthread+0x254/0x2e0 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
Code: aa1f03e0 aa1503e1 52800022 97ffe35b (d4210000) 
---[ end trace 0000000000000000 ]---