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:4644 [syz.3.69] 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: 0 PID: 4644 Comm: syz.3.69 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : add_to_queue fs/gfs2/glock.c:1559 [inline]
pc : gfs2_glock_nq+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 : ffff800020ee7690
x29: ffff800020ee7700 x28: ffff0000f66ea920 x27: ffff0000c460f160
x26: ffff0000f5cf58c0 x25: 0000000000000000 x24: 0000000000000400
x23: ffff0000c460f130 x22: ffff0000f66ea8a0 x21: ffff0000c460f15a
x20: ffff0000f66ea8b8 x19: 0000000000000008 x18: ffff800011b9bf60
x17: 715f32736667205d x16: ffff8000082d92bc x15: 0000000000000002
x14: 0000000000000001 x13: 1ffff000041dcd90 x12: 0000000000080000
x11: 0000000000011181 x10: ffff800028eee000 x9 : 5a5446bd53c8b300
x8 : 5a5446bd53c8b300 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff800020ee6c98 x4 : 0000000000000000 x3 : ffff800008319678
x2 : ffffffffffffffc0 x1 : 0000000000000000 x0 : ffff7000041dce80
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
 gfs2_sync_fs+0x4c/0xc4 fs/gfs2/super.c:664
 sync_filesystem+0xe8/0x218 fs/sync.c:56
 gfs2_reconfigure+0x100/0xa98 fs/gfs2/ops_fstype.c:1546
 reconfigure_super+0x1d4/0x79c fs/super.c:977
 do_remount fs/namespace.c:2741 [inline]
 path_mount+0xbdc/0xe80 fs/namespace.c:3400
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x49c/0x59c fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 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 aa1603e1 52800022 97ffe383 (d4210000) 
---[ end trace 0000000000000000 ]---