INFO: task kworker/u9:8:1227 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u9:8    state:D stack:23584 pid:1227  tgid:1227  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 __schedule+0x1550/0x5060
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x829/0x1340
 linkwatch_event+0xe/0x60
 process_scheduled_works+0xaec/0x17a0
 worker_thread+0x89f/0xd90
 kthread+0x726/0x8b0
 ret_from_fork+0x5b0/0xb20
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task dhcpcd:5575 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:21208 pid:5575  tgid:5575  ppid:5574   task_flags:0x400140 flags:0x00080800
Call Trace:
 <TASK>
 __schedule+0x1550/0x5060
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x829/0x1340
 rtnl_dumpit+0x92/0x200
 netlink_dump+0x722/0xe80
 netlink_recvmsg+0x690/0xa50
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1e6/0x4a0
 ___sys_recvmsg+0x215/0x590
 __x64_sys_recvmsg+0x1ba/0x2a0
 do_syscall_64+0xf0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fedadb5a91e
RSP: 002b:00007fff7bd127d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007fff7bd13900 RCX: 00007fedadb5a91e
RDX: 0000000000000000 RSI: 00007fff7bd13820 RDI: 0000000000000018
RBP: 00007fff7bd13890 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000000cc R11: 0000000000000246 R12: 0000000000000bb0
R13: 00007fff7bd13804 R14: 00007fff7bd13820 R15: 00007fff7bd13810
 </TASK>
INFO: task kworker/1:6:5880 blocked for more than 148 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6     state:D stack:23280 pid:5880  tgid:5880  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events switchdev_deferred_process_work
Call Trace:
 <TASK>
 __schedule+0x1550/0x5060
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x829/0x1340
 switchdev_deferred_process_work+0xe/0x20
 process_scheduled_works+0xaec/0x17a0
 worker_thread+0x89f/0xd90
 kthread+0x726/0x8b0
 ret_from_fork+0x5b0/0xb20
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task syz-executor:8290 blocked for more than 150 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22376 pid:8290  tgid:8290  ppid:1      task_flags:0x400140 flags:0x00080003
Call Trace:
 <TASK>
 __schedule+0x1550/0x5060
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x829/0x1340
 unregister_netdevice_notifier_net+0x87/0x2e0
 ops_undo_list+0x49f/0x940
 setup_net+0x2f0/0x340
 copy_net_ns+0x3e2/0x570
 create_new_namespaces+0x3e7/0x6a0
 unshare_nsproxy_namespaces+0x11a/0x160
 ksys_unshare+0x4f4/0x900
 __x64_sys_unshare+0x38/0x50
 do_syscall_64+0xf0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feae299bfa7
RSP: 002b:00007ffd750a4598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007feae2c15f40 RCX: 00007feae299bfa7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007feae2c167b8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 00007ffd750a47d8 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:8295 blocked for more than 152 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:23704 pid:8295  tgid:8295  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x1550/0x5060
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x829/0x1340
 default_device_exit_batch+0xe5/0xa10
 ops_undo_list+0x52b/0x940
 setup_net+0x2f0/0x340
 copy_net_ns+0x3e2/0x570
 create_new_namespaces+0x3e7/0x6a0
 unshare_nsproxy_namespaces+0x11a/0x160
 ksys_unshare+0x4f4/0x900
 __x64_sys_unshare+0x38/0x50
 do_syscall_64+0xf0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f73d9bfa7
RSP: 002b:00007fff9e48d2d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f1f74015f40 RCX: 00007f1f73d9bfa7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f1f740167b8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
