gfs2: fsid=syz:syz.0: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:7 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4875 [gfs2_quotad] gfs2_quota_sync+0x2cc/0x500 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: 1 PID: 4875 Comm: gfs2_quotad Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : add_to_queue fs/gfs2/glock.c:1559 [inline]
pc : gfs2_glock_nq+0xec8/0x11c4 fs/gfs2/glock.c:1585
lr : add_to_queue fs/gfs2/glock.c:1559 [inline]
lr : gfs2_glock_nq+0xec8/0x11c4 fs/gfs2/glock.c:1585
sp : ffff800021ce7a10
x29: ffff800021ce7a80 x28: ffff0000f6f3dfc0 x27: ffff0000d1b61860
x26: ffff0000ca4fb000 x25: 0000000000000000 x24: 0000000000000400
x23: ffff0000d1b61830 x22: ffff0000f6f3df40 x21: ffff0000d1b6185a
x20: ffff0000f6f3df58 x19: 0000000000000008 x18: ffff800011b8bf60
x17: 736667205d646174 x16: ffff8000082d9364 x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff0000439ce10 x12: 0000000000ff0100
x11: ff0080000a1cad7c x10: 0000000000000000 x9 : dffed1e9003b2700
x8 : dffed1e9003b2700 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff800021ce7018 x4 : 0000000000000000 x3 : ffff80000a88bdd0
x2 : ffffffffffffffc0 x1 : 0000000000000000 x0 : ffff70000439cef0
Call trace:
 add_to_queue fs/gfs2/glock.c:1559 [inline]
 gfs2_glock_nq+0xec8/0x11c4 fs/gfs2/glock.c:1585
 gfs2_glock_nq_init fs/gfs2/glock.h:255 [inline]
 do_sync+0x380/0xaec fs/gfs2/quota.c:921
 gfs2_quota_sync+0x2cc/0x500 fs/gfs2/quota.c:1329
 quotad_check_timeo fs/gfs2/quota.c:1519 [inline]
 gfs2_quotad+0x2d8/0x500 fs/gfs2/quota.c:1566
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
Code: aa1f03e0 aa1603e1 52800022 97ffe383 (d4210000) 
---[ end trace 0000000000000000 ]---