INFO: task khugepaged:35 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc7-syzkaller-01886-g9ae440b8fdd6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:khugepaged      state:D stack:28168 pid:35    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6669
 schedule+0xde/0x1a0 kernel/sched/core.c:6745
 schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106
 __flush_work+0x595/0xb60 kernel/workqueue.c:3189
 __lru_add_drain_all+0x1bf/0x6a0 mm/swap.c:897
 khugepaged_do_scan mm/khugepaged.c:2598 [inline]
 khugepaged+0x105/0x1740 mm/khugepaged.c:2667
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/u4:4:75 blocked for more than 153 seconds.