rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2668 jiffies s: 2341 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5531 Comm: syz-executor.0 Not tainted 6.2.0-rc1-syzkaller-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:__sanitizer_cov_trace_pc+0x3e/0x70 kernel/kcov.c:207
Code: 01 00 00 65 48 8b 14 25 00 ac 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 6c 15 00 00 85 c0 74 2b 8b 82 48 15 00 00 83 f8 02 <75> 20 48 8b 8a 50 15 00 00 8b 92 4c 15 00 00 48 8b 01 48 83 c0 01
RSP: 0018:ffffc90005667698 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88807e694000 RCX: 0000000000000000
RDX: ffff8880287657c0 RSI: ffffffff8394e38f RDI: 0000000000000005
RBP: ffffed100fcd294c R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 1ffffffff21686d0 R12: dffffc0000000000
R13: 0000000000000002 R14: ffffed100fcd294d R15: ffff8880732b9010
FS:  0000555555917400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055590e6fd000 CR3: 000000001d7c3000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_quota_cleanup+0x6f/0x8a0 fs/gfs2/quota.c:1471
 gfs2_make_fs_ro+0x202/0x610 fs/gfs2/super.c:560
 signal_our_withdraw fs/gfs2/util.c:166 [inline]
 gfs2_withdraw.cold+0x4b4/0xf9a fs/gfs2/util.c:351
 gfs2_dinode_in fs/gfs2/glops.c:460 [inline]
 gfs2_inode_refresh+0xcd1/0x1070 fs/gfs2/glops.c:480
 inode_go_instantiate+0x4a/0x70 fs/gfs2/glops.c:499
 gfs2_instantiate+0x16a/0x250 fs/gfs2/glock.c:456
 gfs2_glock_holder_ready fs/gfs2/glock.c:1299 [inline]
 gfs2_glock_holder_ready fs/gfs2/glock.c:1295 [inline]
 gfs2_glock_wait+0x197/0x2e0 fs/gfs2/glock.c:1319
 gfs2_glock_nq+0xae4/0x1470 fs/gfs2/glock.c:1567
 gfs2_glock_nq_init fs/gfs2/glock.h:262 [inline]
 do_sync+0x687/0xd70 fs/gfs2/quota.c:920
 gfs2_quota_sync+0x2e6/0x690 fs/gfs2/quota.c:1323
 gfs2_sync_fs+0x44/0xb0 fs/gfs2/super.c:650
 sync_filesystem.part.0+0x75/0x1d0 fs/sync.c:56
 sync_filesystem+0x8f/0xc0 fs/sync.c:43
 generic_shutdown_super+0x74/0x410 fs/super.c:474
 kill_block_super+0x9b/0xf0 fs/super.c:1386
 gfs2_kill_sb+0x108/0x170 fs/gfs2/ops_fstype.c:1738
 deactivate_locked_super+0x98/0x160 fs/super.c:332
 deactivate_super+0xb1/0xd0 fs/super.c:363
 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1291
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8e9a68d567
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8e6e9f18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e9a68d567
RDX: 00007ffe8e6e9fe9 RSI: 000000000000000a RDI: 00007ffe8e6e9fe0
RBP: 00007ffe8e6e9fe0 R08: 00000000ffffffff R09: 00007ffe8e6e9db0
R10: 00005555559188b3 R11: 0000000000000246 R12: 00007f8e9a6e6b24
R13: 00007ffe8e6eb0a0 R14: 0000555555918810 R15: 00007ffe8e6eb0e0
 </TASK>