INFO: task kcompactd0:30 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kcompactd0      state:D stack:26424 pid:30    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0x8fc/0xda0 kernel/sched/core.c:6503
 schedule+0xcb/0x190 kernel/sched/core.c:6579
 io_schedule+0x83/0x100 kernel/sched/core.c:8723
 folio_wait_bit_common+0x8ca/0x1390 mm/filemap.c:1296
 folio_lock include/linux/pagemap.h:939 [inline]
 __unmap_and_move+0x737/0xdb0 mm/migrate.c:1030
 unmap_and_move+0x39a/0x1090 mm/migrate.c:1184
 migrate_pages+0x49b/0x1450 mm/migrate.c:1461
 compact_zone+0x2893/0x37a0 mm/compaction.c:2421
 kcompactd_do_work mm/compaction.c:2859 [inline]
 kcompactd+0x980/0x2750 mm/compaction.c:2961
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x19b/0x3e0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xcf5/0xd40 kernel/hung_task.c:377
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3608 Comm: syz-fuzzer Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0033:0x41e5de
Code: 44 89 c1 45 89 d5 41 d3 ea 41 0f ba e2 04 0f 83 ec 00 00 00 48 89 44 24 58 41 0f a3 cd 0f 83 87 00 00 00 4e 8d 14 20 4d 8b 12 <66> 90 4d 85 d2 74 79 4d 89 d5 4d 29 e2 4c 39 d2 77 6e 89 4c 24 3c
RSP: 002b:000000c000239e80 EFLAGS: 00000203
RAX: 0000000000000000 RBX: 000000c000043e98 RCX: 0000000000000002
RDX: 0000000000000050 RSI: 0000000000203006 RDI: 0000000000c054c8
RBP: 000000c000239f08 R08: 0000000000000002 R09: 00007f8cceace6d4
R10: 000000000199a820 R11: 00007f8ccebfffff R12: 000000c0199cda90
R13: 00000000000000dd R14: 000000c000001380 R15: 00007f8cccb0b314
FS:  000000c000053090 GS:  0000000000000000