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:4331 [syz-executor] 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: 4331 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
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 : ffff800020fc7680
x29: ffff800020fc76c0 x28: 0000000000000400 x27: dfff800000000000
x26: ffff0000ecbdb3c0 x25: ffff0000c3e5b700 x24: ffff0000c3e5b700
x23: 0000000000000000 x22: ffff0000c3e5b75a x21: ffff0000f659c000
x20: ffff0000f659c018 x19: 0000000000000008 x18: 1fffe00033e7ff7e
x17: 6667205d726f7475 x16: ffff800011b3e320 x15: 5b20313333343a70
x14: 0000000000000001 x13: 1ffff000041f8da0 x12: 0000000000000000
x11: ff0080000a2053dc x10: 0000000000000000 x9 : bd29ff7954815e00
x8 : bd29ff7954815e00 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff800020fc6c98 x4 : 0000000000000000 x3 : ffff80000a8d09fc
x2 : ffffffffffffffc0 x1 : 0000000000000000 x0 : ffff7000041f8e80
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_filesystem+0xe8/0x218 fs/sync.c:56
 generic_shutdown_super+0x74/0x32c fs/super.c:474
 kill_block_super+0x78/0xe0 fs/super.c:1470
 gfs2_kill_sb+0xc4/0xd8 fs/gfs2/ops_fstype.c:-1
 deactivate_locked_super+0xb4/0x128 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x3a8/0x430 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1f4/0x280 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x20f8/0x2c84 arch/arm64/kernel/signal.c:1151
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 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 ]---