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:4981 [syz.1.210] 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: 4981 Comm: syz.1.210 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
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 : ffff8000210979a0
x29: ffff8000210979e0 x28: 0000000000000400 x27: dfff800000000000
x26: ffff0000dca34dc0 x25: ffff0000f59b3100 x24: ffff0000f59b3100
x23: 0000000000000000 x22: ffff0000f59b315a x21: ffff0000f52b4000
x20: ffff0000f52b4018 x19: 0000000000000008 x18: 1fffe00033e7277e
x17: 5f32736667205d30 x16: ffff800011b90080 x15: 5b20313839343a70
x14: 0000000000000001 x13: 1ffff00004212df4 x12: 0000000000080000
x11: 0000000000015da8 x10: ffff800025a49000 x9 : 84ae47bd7c3c2600
x8 : 84ae47bd7c3c2600 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff800021096fb8 x4 : 000000000000000c x3 : 0000000000000030
x2 : 0000000000000004 x1 : 0000000000000000 x0 : ffff700004212ee4
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
 gfs2_sync_fs+0x50/0xc8 fs/gfs2/super.c:664
 sync_fs_one_sb+0xd8/0x120 fs/sync.c:84
 iterate_supers+0x11c/0x1d4 fs/super.c:757
 ksys_sync+0xb0/0x17c fs/sync.c:103
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: aa1f03e0 aa1503e1 52800022 97ffe35b (d4210000) 
---[ end trace 0000000000000000 ]---