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:4580 [syz.2.45] gfs2_fill_super+0x12c4/0x19e0 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: 4580 Comm: syz.2.45 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
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 : ffff800021077980
x29: ffff8000210779c0 x28: 0000000000000084 x27: dfff800000000000
x26: ffff0000f67718c0 x25: ffff0000dbcc11a0 x24: ffff0000dbcc11a0
x23: 0000000000000000 x22: ffff800021077ae2 x21: ffff0000f52c0960
x20: ffff0000f52c0978 x19: 0000000000000001 x18: 1fffe00033e66f7e
x17: 5f32736667205d35
 x16: ffff800011bc8ec8 x15: 20303835343a7020
x14: 0000000000000001
 x13: 1fffe00033e66fa3 x12: 0000000000080000
x11: 000000000007ffff
 x10: ffff80002614b000
 x9 : c0b1c6d98b21fa00

x8 : c0b1c6d98b21fa00 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff800021076f98 x4 : 0000000000000000 x3 : ffff800008542f08
x2 : ffffffffffffffc0
 x1 : 0000000000000000 x0 : ffff70000420eee0
dump_backtrace(regs = 0000000089e16e8e tsk = 0000000000000000)
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]
 gfs2_freeze_lock_shared+0x94/0x10c fs/gfs2/util.c:108
 gfs2_reconfigure+0x56c/0xab4 fs/gfs2/ops_fstype.c:1587
 reconfigure_super+0x1d4/0x7cc 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+0x640/0x790 fs/fsopen.c:320
 __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+0x58/0x12c 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 ]---