INFO: task syz-executor330:3644 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:syz-executor330 state:D
 stack:27768 pid:3644  ppid:3612   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0x8c9/0xd70 kernel/sched/core.c:6503
 schedule+0xcb/0x190 kernel/sched/core.c:6579
 schedule_timeout+0x98/0x2f0 kernel/time/timer.c:1911
 do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
 f2fs_issue_checkpoint+0x355/0x4a0
 iterate_supers+0x137/0x1f0 fs/super.c:723
 ksys_sync+0xd5/0x1c0 fs/sync.c:104
 __do_sys_sync+0xa/0x10 fs/sync.c:113
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f87a12ca519
RSP: 002b:00007ffeb58c6ad8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000020010ba0 RCX: 00007f87a12ca519
RDX: 00007f87a1288363 RSI: 0000000000000003 RDI: 0000000000004c00
RBP: 0000000000000000 R08: 0000555555ecc2c0 R09: 000000000000000d
R10: 00007ffeb58c67e0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb58c6b00 R14: 00007ffeb58c6aec R15: 00007ffeb58c6af0
 </TASK>
INFO: task syz-executor330:3645 blocked for more than 144 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor330 state:D
 stack:27928 pid:3645  ppid:3611   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0x8c9/0xd70 kernel/sched/core.c:6503
 schedule+0xcb/0x190 kernel/sched/core.c:6579
 schedule_timeout+0x98/0x2f0 kernel/time/timer.c:1911
 do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
 f2fs_issue_checkpoint+0x355/0x4a0
 iterate_supers+0x137/0x1f0 fs/super.c:723
 ksys_sync+0xd5/0x1c0 fs/sync.c:104
 __do_sys_sync+0xa/0x10 fs/sync.c:113
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f87a12ca519
RSP: 002b:00007ffeb58c6ad8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000020010ba0 RCX: 00007f87a12ca519
RDX: 00007f87a1288363 RSI: 0000000000000003 RDI: 0000000000004c00
RBP: 0000000000000000 R08: 0000555555ecc2c0 R09: 000000000000000d
R10: 00007ffeb58c67e0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb58c6b00 R14: 00007ffeb58c6aec R15: 00007ffeb58c6af0
 </TASK>
INFO: task syz-executor330:3646 blocked for more than 144 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor330 state:D
 stack:27928 pid:3646  ppid:3605   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0x8c9/0xd70 kernel/sched/core.c:6503
 schedule+0xcb/0x190 kernel/sched/core.c:6579
 schedule_timeout+0x98/0x2f0 kernel/time/timer.c:1911
 do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
 f2fs_issue_checkpoint+0x355/0x4a0
 iterate_supers+0x137/0x1f0 fs/super.c:723
 ksys_sync+0xd5/0x1c0 fs/sync.c:104
 __do_sys_sync+0xa/0x10 fs/sync.c:113
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f87a12ca519
RSP: 002b:00007ffeb58c6ad8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000020010ba0 RCX: 00007f87a12ca519
RDX: 00007f87a1288363 RSI: 0000000000000003 RDI: 0000000000004c00
RBP: 0000000000000000 R08: 0000555555ecc2c0 R09: 000000000000000d
R10: 00007ffeb58c67e0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb58c6b00 R14: 00007ffeb58c6aec R15: 00007ffeb58c6af0
 </TASK>
INFO: task syz-executor330:3647 blocked for more than 145 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor330 state:D
 stack:27928 pid:3647  ppid:3608   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0x8c9/0xd70 kernel/sched/core.c:6503
 schedule+0xcb/0x190 kernel/sched/core.c:6579
 schedule_timeout+0x98/0x2f0 kernel/time/timer.c:1911
 do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
 f2fs_issue_checkpoint+0x355/0x4a0
 iterate_supers+0x137/0x1f0 fs/super.c:723
 ksys_sync+0xd5/0x1c0 fs/sync.c:104
 __do_sys_sync+0xa/0x10 fs/sync.c:113
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f87a12ca519
RSP: 002b:00007ffeb58c6ad8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000020010ba0 RCX: 00007f87a12ca519
RDX: 00007f87a1288363 RSI: 0000000000000003 RDI: 0000000000004c00
RBP: 0000000000000000 R08: 0000555555ecc2c0 R09: 000000000000000d
R10: 00007ffeb58c67e0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb58c6b00 R14: 00007ffeb58c6aec R15: 00007ffeb58c6af0
 </TASK>
INFO: task syz-executor330:3648 blocked for more than 146 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor330 state:D
 stack:25144 pid:3648  ppid:3606   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0x8c9/0xd70 kernel/sched/core.c:6503
 schedule+0xcb/0x190 kernel/sched/core.c:6579
 schedule_timeout+0x98/0x2f0 kernel/time/timer.c:1911
 do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
 f2fs_issue_checkpoint+0x355/0x4a0
 iterate_supers+0x137/0x1f0 fs/super.c:723
 ksys_sync+0xd5/0x1c0 fs/sync.c:104
 __do_sys_sync+0xa/0x10 fs/sync.c:113
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f87a12ca519
RSP: 002b:00007ffeb58c6ad8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000020010ba0 RCX: 00007f87a12ca519
RDX: 00007f87a1288363 RSI: 0000000000000003 RDI: 0000000000004c00
RBP: 0000000000000000 R08: 0000555555ecc2c0 R09: 000000000000000d
R10: 00007ffeb58c67e0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb58c6b00 R14: 00007ffeb58c6aec R15: 00007ffeb58c6af0
 </TASK>
INFO: task syz-executor330:3649 blocked for more than 147 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor330 state:D
 stack:27928 pid:3649  ppid:3607   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0x8c9/0xd70 kernel/sched/core.c:6503
 schedule+0xcb/0x190 kernel/sched/core.c:6579
 schedule_timeout+0x98/0x2f0 kernel/time/timer.c:1911
 do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
 f2fs_issue_checkpoint+0x355/0x4a0
 iterate_supers+0x137/0x1f0 fs/super.c:723
 ksys_sync+0xd5/0x1c0 fs/sync.c:104
 __do_sys_sync+0xa/0x10 fs/sync.c:113
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f87a12ca519
RSP: 002b:00007ffeb58c6ad8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000020010ba0 RCX: 00007f87a12ca519
RDX: 00007f87a1288363 RSI: 0000000000000003 RDI: 0000000000004c00
RBP: 0000000000000000 R08: 0000555555ecc2c0 R09: 000000000000000d
R10: 00007ffeb58c67e0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb58c6b00 R14: 00007ffeb58c6aec R15: 00007ffeb58c6af0
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 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+0x1b1/0x28e lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1ba/0x420 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: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #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_prefixes+0x3c/0x1900 arch/x86/lib/insn.c:131
Code: bb 00 00 00 00 00 fc ff df e8 10 89 56 f7 4d 8d 67 04 4c 89 e5 48 c1 ed 03 8a 44 1d 00 84 c0 0f 85 c3 10 00 00 41 0f b6 1c 24 <45> 31 f6 31 ff 89 de e8 c8 8b 56 f7 85 db 74 0a e8 df 88 56 f7 e9
RSP: 0018:ffffc90000107628 EFLAGS: 00000246
RAX: ffffffff8a314600 RBX: 0000000000000000 RCX: ffff88801236ba80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000107960
RBP: 1ffff92000020f2c R08: ffffffff8a316036 R09: ffffc90000107960
R10: fffff52000020f37 R11: 1ffff92000020f2c R12: ffffc90000107964
R13: dffffc0000000000 R14: ffffc9000010797c R15: ffffc90000107960
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562c98e96990 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 insn_get_opcode+0x1b2/0xa90 arch/x86/lib/insn.c:272
 insn_get_modrm+0x221/0x760 arch/x86/lib/insn.c:343
 insn_get_sib arch/x86/lib/insn.c:421 [inline]
 insn_get_displacement+0x131/0x9a0 arch/x86/lib/insn.c:464
 insn_get_immediate+0x427/0x12e0 arch/x86/lib/insn.c:632
 insn_get_length arch/x86/lib/insn.c:707 [inline]
 insn_decode+0x3b0/0x550 arch/x86/lib/insn.c:747
 arch_jump_entry_size arch/x86/kernel/jump_label.c:24 [inline]
 __jump_label_patch+0xe2/0x430 arch/x86/kernel/jump_label.c:45
 arch_jump_label_transform_queue+0x49/0xd0 arch/x86/kernel/jump_label.c:137
 __jump_label_update+0x19b/0x3b0 kernel/jump_label.c:447
 static_key_disable_cpuslocked+0xc8/0x1b0 kernel/jump_label.c:207
 static_key_disable+0x16/0x20 kernel/jump_label.c:215
 toggle_allocation_gate+0x3b8/0x450 mm/kfence/core.c:814
 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.228 msecs