gfs2: fsid=syz:syz.0: G:  s:SH n:1/2 f:qb t:SH d:EX/0 a:0 v:0 r:4 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:SH f:eEH e:0 p:5459 [syz.4.300] gfs2_fill_super+0x1290/0x194c fs/gfs2/ops_fstype.c:1266
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1560!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5459 Comm: syz.4.300 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 : ffff800021f87910
x29: ffff800021f87980 x28: ffff0000e07149e0 x27: ffff800021f87ac8
x26: ffff0000f330f780 x25: 0000000000000000 x24: 0000000000000084
x23: ffff0000daa751d0 x22: ffff0000e0714960 x21: ffff800021f87ac2
x20: ffff0000e0714978 x19: 0000000000000001 x18: ffff800011b8bf60
x17: 32736667205d3030 x16: ffff8000082d91a4 x15: 0000000000000002
x14: 0000000000000001 x13: 1ffff000043f0de0 x12: 0000000000080000
x11: 000000000007ffff x10: ffff80002c877000 x9 : cb52bc5d831c3200
x8 : cb52bc5d831c3200 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff800021f86f18 x4 : 0000000000000000 x3 : ffff800008319560
x2 : ffffffffffffffc0 x1 : 0000000000000000 x0 : ffff7000043f0ed0
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]
 gfs2_freeze_lock_shared+0x94/0x10c fs/gfs2/util.c:108
 gfs2_reconfigure+0x574/0xa98 fs/gfs2/ops_fstype.c:1587
 reconfigure_super+0x1d4/0x79c fs/super.c:977
 vfs_fsconfig_locked+0x164/0x374 fs/fsopen.c:260
 __do_sys_fsconfig fs/fsopen.c:445 [inline]
 __se_sys_fsconfig fs/fsopen.c:320 [inline]
 __arm64_sys_fsconfig+0x634/0x784 fs/fsopen.c:320
 __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 ]---