INFO: task syz-executor.3:7715 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:27768 pid:7715  ppid:5091   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6711
 schedule+0xe7/0x1b0 kernel/sched/core.c:6787
 coredump_task_exit kernel/exit.c:438 [inline]
 do_exit+0x3f4/0x2a20 kernel/exit.c:825
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1026
 get_signal+0x23d1/0x27b0 kernel/signal.c:2892
 arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f41c627cae9
RSP: 002b:00007ffc2de50738 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 00000000001265d6 RCX: 00007f41c627cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f41c639bf8c
RBP: 0000000000000032 R08: 00007f41c639bf8c R09: 00007f41c639bf8c
R10: 00007ffc2de50870 R11: 0000000000000246 R12: 00007f41c639bf8c
R13: 0000000000126608 R14: 00007ffc2de50890 R15: 00007ffc2de50870
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x2ac/0x310 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xfab/0x1230 kernel/hung_task.c:379
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7716 Comm: syz-executor.3 Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:unwind_next_frame+0xe37/0x2020 arch/x86/kernel/unwind_orc.c:672
Code: 49 8b 45 10 77 24 48 39 d8 76 1f 48 8d 53 08 48 39 d0 0f 93 c1 48 39 d5 0f 92 c0 84 c1 74 0b 48 39 5c 24 10 0f 83 82 08 00 00 <bf> 01 00 00 00 e8 9f d0 1f 00 65 8b 05 a0 0d ca 7e 85 c0 0f 84 5f
RSP: 0018:ffffc90000007818 EFLAGS: 00000097
RAX: ffffc9000b420001 RBX: ffffc9000b41ff58 RCX: ffffc9000b420001
RDX: ffffc9000b41ff60 RSI: ffffc9000b41ff48 RDI: ffffc90000007898
RBP: ffffc9000b418000 R08: ffffc900000078bc R09: ffffffff8fd8dafe
R10: ffffc90000007888 R11: 0000000000093821 R12: ffffc900000078d8
R13: ffffc90000007888 R14: ffffc9000b41ff58 R15: ffffc9000b41ff50
FS:  00007f41c706f6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f054c7d040 CR3: 000000009bc35000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 arch_stack_walk+0x8b/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
 insert_work+0x4a/0x330 kernel/workqueue.c:1559
 __queue_work+0x5f5/0x1040 kernel/workqueue.c:1720
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1746 [inline]
 __run_timers+0x585/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1972 [inline]
RIP: 0010:vprintk_emit+0x3d1/0x630 kernel/printk/printk.c:2306
Code: 00 00 e8 72 47 1c 00 9c 8f 45 d0 48 8b 45 d0 31 ff 25 00 02 00 00 49 89 c7 48 89 c6 e8 e8 42 1c 00 4d 85 ff 0f 85 09 02 00 00 <f3> 0f 1e fa e8 46 47 1c 00 45 31 c9 41 b8 01 00 00 00 31 c9 68 51
RSP: 0018:ffffc9000b41df98 EFLAGS: 00000246
RAX: 0000000000040000 RBX: 0000000000000052 RCX: ffffc9000c30a000
RDX: 0000000000040000 RSI: ffffffff816a7d54 RDI: 0000000000000007
RBP: ffffc9000b41dfd0 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 203d2065646f6e5f R12: 0000000000000200
R13: ffff88801926d940 R14: 0000000000000000 R15: 0000000000000000
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2332
 f2fs_printk+0x169/0x2b0 fs/f2fs/super.c:262
 f2fs_inode_chksum_verify+0x31c/0x3c0 fs/f2fs/inode.c:191
 __get_node_page.part.0+0x68f/0x1310 fs/f2fs/node.c:1457
 __get_node_page fs/f2fs/node.c:35 [inline]
 f2fs_get_node_page+0x106/0x170 fs/f2fs/node.c:1483
 gc_node_segment fs/f2fs/gc.c:1041 [inline]
 do_garbage_collect+0x112b/0x4070 fs/f2fs/gc.c:1762
 f2fs_gc+0x9f8/0x20f0 fs/f2fs/gc.c:1867
 f2fs_balance_fs+0x560/0x6e0 fs/f2fs/segment.c:438
 f2fs_write_single_data_page+0x141b/0x1aa0 fs/f2fs/data.c:2962
 f2fs_write_cache_pages+0xcc2/0x2020 fs/f2fs/data.c:3207
 __f2fs_write_data_pages fs/f2fs/data.c:3358 [inline]
 f2fs_write_data_pages+0x4d3/0xe20 fs/f2fs/data.c:3385
 do_writepages+0x1b4/0x690 mm/page-writeback.c:2553
 filemap_fdatawrite_wbc mm/filemap.c:393 [inline]
 filemap_fdatawrite_wbc+0x144/0x1b0 mm/filemap.c:383
 __filemap_fdatawrite_range+0xba/0x100 mm/filemap.c:426
 file_write_and_wait_range+0xcc/0x140 mm/filemap.c:784
 f2fs_do_sync_file+0x2d2/0x1ff0 fs/f2fs/file.c:271
 f2fs_sync_file+0x140/0x1a0 fs/f2fs/file.c:389
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2614 [inline]
 f2fs_file_write_iter+0x133c/0x2410 fs/f2fs/file.c:4811
 __kernel_write_iter+0x261/0x7e0 fs/read_write.c:517
 dump_emit_page fs/coredump.c:888 [inline]
 dump_user_range+0x299/0x790 fs/coredump.c:915
 elf_core_dump+0x2721/0x38e0 fs/binfmt_elf.c:2142
 do_coredump+0x2c96/0x3fc0 fs/coredump.c:764
 get_signal+0x244b/0x27b0 kernel/signal.c:2878
 arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f41c627cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f41c706f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffe5 RBX: 00007f41c639bf80 RCX: 00007f41c627cae9
RDX: 00000000200007c0 RSI: 0000000040305828 RDI: 0000000000000004
RBP: 00007f41c62c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f41c639bf80 R15: 00007ffc2de50658
 </TASK>