INFO: task syz-executor.4:31126 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-executor.4  state:D stack:27384 pid:31126 ppid:3633   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5d20a8b5a9
RSP: 002b:00007f5d21759168 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5d20babf80 RCX: 00007f5d20a8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5d20ae67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd90a79aaf R14: 00007f5d21759300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.4:31144 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-executor.4  state:D
 stack:29968 pid:31144 ppid:3633   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5d20a8b5a9
RSP: 002b:00007f5d21738168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5d20bac050 RCX: 00007f5d20a8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5d20ae67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd90a79aaf R14: 00007f5d21738300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.0:31136 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-executor.0  state:D stack:28736 pid:31136 ppid:3629   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4acbc8b5a9
RSP: 002b:00007f4accab6168 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f4acbdabf80 RCX: 00007f4acbc8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f4acbce67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2665f85f R14: 00007f4accab6300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.0:31137 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-executor.0  state:D
 stack:27624 pid:31137 ppid:3629   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4acbc8b5a9
RSP: 002b:00007f4acca95168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f4acbdac050 RCX: 00007f4acbc8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f4acbce67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2665f85f R14: 00007f4acca95300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.3:31153 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-executor.3  state:D stack:30248 pid:31153 ppid:3631   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa5dca8b5a9
RSP: 002b:00007fa5dd73c168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fa5dcbac050 RCX: 00007fa5dca8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fa5dcae67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1b88d8ff R14: 00007fa5dd73c300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.2:31142 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-executor.2  state:D stack:30376 pid:31142 ppid:3632   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa2a408b5a9
RSP: 002b:00007fa2a4d37168 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fa2a41ac050 RCX: 00007fa2a408b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fa2a40e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd42b03e7f R14: 00007fa2a4d37300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.5:31160 blocked for more than 149 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-executor.5  state:D
 stack:29136 pid:31160 ppid:3634   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8794c8b5a9
RSP: 002b:00007f8795905168 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f8794dac050 RCX: 00007f8794c8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f8794ce67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcbdfece2f R14: 00007f8795905300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.1:31164 blocked for more than 150 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-executor.1  state:D
 stack:28864 pid:31164 ppid:3630   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdea528b5a9
RSP: 002b:00007fdea6083168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fdea53ac050 RCX: 00007fdea528b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fdea52e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4ef2fd7f R14: 00007fdea6083300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.1:31169 blocked for more than 151 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-executor.1  state:D stack:28864 pid:31169 ppid:3630   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_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x107/0x140 fs/sync.c:80
 iterate_supers+0x13c/0x290 fs/super.c:723
 ksys_sync+0xa8/0x150 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+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdea528b5a9
RSP: 002b:00007fdea6062168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fdea53ac120 RCX: 00007fdea528b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fdea52e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4ef2fd7f R14: 00007fdea6062300 R15: 0000000000022000
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 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+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: 12368 Comm: kworker/u4:12 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: bat_events batadv_nc_worker
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x4/0x20 kernel/kcov.c:290
Code: 00 00 00 0f 1f 00 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 fc fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 da fe ff ff 66 2e 0f 1f
RSP: 0018:ffffc90004ee7c78 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff88803b4d4e80 RCX: ffffffff891faa6d
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8de21a17
R10: fffffbfff1bc4342 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: dffffc0000000000 R15: 00000000000001d0
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d463d04c44 CR3: 000000000bc8e000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 rcu_read_lock include/linux/rcupdate.h:739 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
 batadv_nc_worker+0x13d/0xfa0 net/batman-adv/network-coding.c:719
 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>