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:4442 [syz.4.10] 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: 0 PID: 4442 Comm: syz.4.10 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
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 : ffff8000215e7980
x29: ffff8000215e79c0 x28: 0000000000000084 x27: dfff800000000000
x26: ffff0000cc17b640 x25: ffff0000d0b4d1a0 x24: ffff0000d0b4d1a0
x23: 0000000000000000 x22: ffff8000215e7ae2 x21: ffff0000f628c960
x20: ffff0000f628c978 x19: 0000000000000001 x18: 0000000000000000
x17: 5f32736667205d30 x16: ffff800011b9e758 x15: 20323434343a7020
x14: 0000000000000001 x13: 1fffe00033e703a3 x12: 0000000000080000
x11: 0000000000010272 x10: ffff80002d09c000 x9 : dab5a30d41e7eb00
x8 : dab5a30d41e7eb00 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff8000215e6f98 x4 : 0000000000000000 x3 : ffff800008540dcc
x2 : ffffffffffffffc0 x1 : 0000000000000000 x0 : ffff7000042bcee0
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
 do_remount fs/namespace.c:2741 [inline]
 path_mount+0xc98/0xe6c 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+0x4a0/0x5a0 fs/namespace.c:3606
 __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 ]---