INFO: task dhcpcd:5352 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:21352 pid:5352  tgid:5352  ppid:5351   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x157d/0x50e0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7c0/0x12d0
 rtnl_dumpit+0x92/0x200
 netlink_dump+0x727/0xf30
 __netlink_dump_start+0x589/0x7b0
 rtnetlink_rcv_msg+0xa48/0xc00
 netlink_rcv_skb+0x226/0x4a0
 netlink_unicast+0x833/0x9f0
 netlink_sendmsg+0x813/0xb40
 __sys_sendto+0x709/0x7a0
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0xf0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca776b5ad7
RSP: 002b:00007ffd5db42448 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffd5db43570 RCX: 00007fca776b5ad7
RDX: 0000000000000014 RSI: 00007ffd5db43490 RDI: 000000000000000e
RBP: 00007ffd5db43500 R08: 00007ffd5db43474 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 00007ffd5db43474 R14: 00007ffd5db43490 R15: 0000000000000105
 </TASK>
INFO: task kworker/u8:7:13088 blocked for more than 146 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7    state:D stack:22536 pid:13088 tgid:13088 ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
 <TASK>
 __schedule+0x157d/0x50e0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7c0/0x12d0
 addrconf_verify_work+0x19/0x30
 process_scheduled_works+0xa2f/0x1470
 worker_thread+0xe79/0x1460
 kthread+0x787/0x910
 ret_from_fork+0x5b0/0xb20
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task kworker/0:12:15172 blocked for more than 147 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:12    state:D stack:23136 pid:15172 tgid:15172 ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events switchdev_deferred_process_work
Call Trace:
 <TASK>
 __schedule+0x157d/0x50e0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7c0/0x12d0
 switchdev_deferred_process_work+0xe/0x20
 process_scheduled_works+0xa2f/0x1470
 worker_thread+0xe79/0x1460
 kthread+0x787/0x910
 ret_from_fork+0x5b0/0xb20
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task syz-executor:25334 blocked for more than 148 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:25280 pid:25334 tgid:25334 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x157d/0x50e0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7c0/0x12d0
 fib_net_exit_batch+0x22/0xf0
 ops_undo_list+0x4b4/0x8d0
 setup_net+0x2f6/0x350
 copy_net_ns+0x4f9/0x720
 create_new_namespaces+0x3f0/0x6b0
 unshare_nsproxy_namespaces+0x11a/0x160
 ksys_unshare+0x4f5/0x930
 __x64_sys_unshare+0x38/0x50
 do_syscall_64+0xf0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd3139e127
RSP: 002b:00007fffd1fe8068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fdd31615f40 RCX: 00007fdd3139e127
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007fdd316167b8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 00007fffd1fe82a8 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:25398 blocked for more than 151 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:26280 pid:25398 tgid:25398 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x157d/0x50e0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x896/0x1040
 down_write+0x1bc/0x200
 rdma_dev_exit_net+0x8f/0x340
 ops_undo_list+0x43d/0x8d0
 setup_net+0x2f6/0x350
 copy_net_ns+0x4f9/0x720
 create_new_namespaces+0x3f0/0x6b0
 unshare_nsproxy_namespaces+0x11a/0x160
 ksys_unshare+0x4f5/0x930
 __x64_sys_unshare+0x38/0x50
 do_syscall_64+0xf0/0xf80
