INFO: task syz-executor.5:13028 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D
 stack:27192 pid:13028 ppid:3640   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xda/0x1b0 kernel/sched/core.c:6579
 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106
 f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882
 f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656
 sync_filesystem.part.0+0x13c/0x1d0 fs/sync.c:66
 sync_filesystem fs/sync.c:149 [inline]
 __do_sys_syncfs fs/sync.c:160 [inline]
 __se_sys_syncfs fs/sync.c:149 [inline]
 __x64_sys_syncfs+0x19d/0x250 fs/sync.c:149
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff3b8c8b5a9
RSP: 002b:00007ff3b990b168 EFLAGS: 00000246
 ORIG_RAX: 0000000000000132
RAX: ffffffffffffffda RBX: 00007ff3b8dabf80 RCX: 00007ff3b8c8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007ff3b8ce67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd171c783f R14: 00007ff3b990b300 R15: 0000000000022000
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #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+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x32f/0x3c0 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+0xc71/0xfc0 kernel/hung_task.c:377
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 51 Comm: kworker/u4:3 Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:insn_get_modrm arch/x86/lib/insn.c:349 [inline]
RIP: 0010:insn_get_modrm+0x152/0x7c0 arch/x86/lib/insn.c:333
Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 4d 8d 7d 01 0f 85 28 06 00 00 4c 3b 7b 60 0f 87 de 05 00 00 e8 3e d1 33 f8 <4c> 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 4c
RSP: 0018:ffffc90000dcf980 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffffc90000dcfa78 RCX: 0000000000000000
RDX: ffff888017b52200 RSI: ffffffff8947f332 RDI: ffffc90000dcfad8
RBP: ffffc90000dcfa9c R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000004000 R11: 000000000008c07e R12: ffffc90000dcfac4
R13: ffffffff89e6b66c R14: 0000000000004000 R15: ffffffff89e6b66d
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c018e0f7c0 CR3: 000000000bc8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 insn_get_sib+0x29c/0x330 arch/x86/lib/insn.c:421
 insn_get_displacement+0x346/0x6c0 arch/x86/lib/insn.c:464
 insn_get_immediate arch/x86/lib/insn.c:632 [inline]
 insn_get_length arch/x86/lib/insn.c:707 [inline]
 insn_decode+0x35b/0x3b0 arch/x86/lib/insn.c:747
 text_poke_loc_init+0xa6/0x450 arch/x86/kernel/alternative.c:1590
 arch_jump_label_transform_queue+0x94/0x100 arch/x86/kernel/jump_label.c:138
 __jump_label_update+0x12e/0x410 kernel/jump_label.c:447
 jump_label_update+0x32f/0x410 kernel/jump_label.c:801
 static_key_disable_cpuslocked+0x152/0x1b0 kernel/jump_label.c:207
 static_key_disable+0x16/0x20 kernel/jump_label.c:215
 toggle_allocation_gate mm/kfence/core.c:814 [inline]
 toggle_allocation_gate+0x183/0x390 mm/kfence/core.c:792
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>