INFO: task syz-executor166:3630 blocked for more than 143 seconds.
      Not tainted 5.15.98-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor166 state:D
 stack:24544 pid: 3630 ppid:  3628 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5023 [inline]
 __schedule+0x132d/0x45e0 kernel/sched/core.c:6369
 schedule+0x11b/0x1f0 kernel/sched/core.c:6452
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 sync_inodes_sb+0x2af/0xa70 fs/fs-writeback.c:2745
 sync_filesystem+0x16b/0x220 fs/sync.c:64
 generic_shutdown_super+0x6e/0x2c0 fs/super.c:448
 kill_block_super+0x7a/0xe0 fs/super.c:1396
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x5d/0x2a0 kernel/entry/common.c:300
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f5e9b7bbd07
RSP: 002b:00007ffe75c1c378 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5e9b7bbd07
RDX: 00007ffe75c1c439 RSI: 000000000000000a RDI: 00007ffe75c1c430
RBP: 00007ffe75c1c430 R08: 00000000ffffffff R09: 00007ffe75c1c210
R10: 0000555556290653 R11: 0000000000000206 R12: 00007ffe75c1d4a0
R13: 00005555562905f0 R14: 00007ffe75c1c3a0 R15: 0000000000000001
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:0/7:
1 lock held by khungtaskd/27:
 #0: ffffffff8c91c660
 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
4 locks held by kworker/u4:1/144:
 #0: ffff8881429be138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x78a/0x1230 kernel/workqueue.c:2279
 #1: ffffc900010ffd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x1230 kernel/workqueue.c:2281
 #2: ffff88801ce86650 (sb_internal#2){.+.+}-{0:0}, at: xfs_bmapi_convert_delalloc+0x20f/0x1180 fs/xfs/libxfs/xfs_bmap.c:4573
 #3: ffff888074e100e8 (&xfs_nondir_ilock_class){++++}-{3:3}, at: xfs_bmapi_convert_delalloc+0x23c/0x1180 fs/xfs/libxfs/xfs_bmap.c:4578
2 locks held by getty/3269:
 #0: ffff888024847098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc90002bb32e8 (
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0x6af/0x1da0 drivers/tty/n_tty.c:2147
5 locks held by kworker/1:3/3298:
2 locks held by syz-executor166/3630:
 #0: 
ffff88801ce860e0
 (&type->s_umount_key
#43
){+.+.}-{3:3}
, at: deactivate_super+0xa9/0xe0 fs/super.c:365
 #1: ffff8881475ea7d8
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0x290/0xa70 fs/fs-writeback.c:2743

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.98-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xec6/0xf10 kernel/hung_task.c:295
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 <unknown>:298
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3298 Comm: kworker/1:3 Not tainted 5.15.98-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: xfs-buf/loop0 xfs_buf_ioend_work
RIP: 0010:___update_load_sum kernel/sched/pelt.c:194 [inline]
RIP: 0010:update_rt_rq_load_avg+0x43/0x9b0 kernel/sched/pelt.c:352
Code: be 00 00 00 00 00 fc ff df 48 8d 9e 40 0b 00 00 48 89 dd 48 c1 ed 03 42 80 7c 35 00 00 74 08 48 89 df e8 90 c5 68 00 48 8b 03 <4d> 89 fc 49 29 c4 0f 88 93 00 00 00 45 31 ff 49 81 fc 00 04 00 00
RSP: 0018:ffffc90000dd0bf8 EFLAGS: 00000046
RAX: 000000e94ce6a000 RBX: ffff8880b9b3a1c0 RCX: ffff8880b9b39680
RDX: 0000000000000000 RSI: ffff8880b9b39680 RDI: 000000e95044c557
RBP: 1ffff11017367438 R08: dffffc0000000000 R09: fffffbfff1bc70fe
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c34fb50
R13: ffff8880b9b39680 R14: dffffc0000000000 R15: 000000e95044c557
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005644be663600 CR3: 00000000198de000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __update_blocked_others kernel/sched/fair.c:8320 [inline]
 update_blocked_averages+0x2fa/0x1450 kernel/sched/fair.c:8448
 run_rebalance_domains+0xf5/0x1b0 kernel/sched/fair.c:11137
 __do_softirq+0x3d1/0x9fe kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:console_trylock_spinning+0x36b/0x3f0 kernel/printk/printk.c:1909
Code: 0f 84 75 ff ff ff e8 84 03 1a 00 fb 31 db eb 41 e8 7a 03 1a 00 e8 c5 87 b4 08 4d 85 ed 74 cd e8 6b 03 1a 00 fb bb 01 00 00 00 <48> c7 c7 a0 8d 7f 8c 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc90002d4f7c0 EFLAGS: 00000293
RAX: ffffffff81665125 RBX: 0000000000000001 RCX: ffff88801b7b0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002d4f890 R08: ffffffff816650de R09: fffffbfff1f5882e
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005a9ef8
R13: 0000000000000200 R14: 0000000000000046 R15: dffffc0000000000
 vprintk_emit+0xa1/0x150 kernel/printk/printk.c:2267
 _printk+0xd1/0x111 kernel/printk/printk.c:2289
 print_hex_dump+0x1a2/0x250 lib/hexdump.c:285
 xfs_hex_dump+0x39/0x50 fs/xfs/xfs_message.c:118
 xfs_buf_verifier_error+0x1bc/0x290 fs/xfs/xfs_error.c:413
 xfs_allocbt_read_verify+0x52/0xc0
 xfs_buf_ioend+0x30c/0x7c0 fs/xfs/xfs_buf.c:1263
 process_one_work+0x8e6/0x1230 kernel/workqueue.c:2306
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2453
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 <unknown>:298
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.584 msecs