INFO: task kworker/1:2:945 blocked for more than 151 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:20320 pid:945   tgid:945   ppid:2      task_flags:0x4208160 flags:0x00080000
Workqueue: events tipc_net_finalize_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5584 [inline]
 __schedule+0x1828/0x58c0 kernel/sched/core.c:7389
 __schedule_loop kernel/sched/core.c:7466 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7481
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7538
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 tipc_net_finalize_work+0x1e/0x90 net/tipc/net.c:148
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task dhcpcd:5298 blocked for more than 151 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:21416 pid:5298  tgid:5298  ppid:5297   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5584 [inline]
 __schedule+0x1828/0x58c0 kernel/sched/core.c:7389
 __schedule_loop kernel/sched/core.c:7466 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7481
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7538
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 rtnl_net_lock include/linux/rtnetlink.h:134 [inline]
 devinet_ioctl+0x2fb/0x1c50 net/ipv4/devinet.c:1110
 inet_ioctl+0x42a/0x560 net/ipv4/af_inet.c:1009
 sock_do_ioctl+0x101/0x320 net/socket.c:1328
 sock_ioctl+0x57a/0x7e0 net/socket.c:1449
 vfs_ioctl fs/ioctl.c:52 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x16a/0x530 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fda6395d378
RSP: 002b:00007fff4a70efd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fda6395d378
RDX: 00007fff4a71f1d0 RSI: 0000000000008914 RDI: 000000000000000f
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4a72f370
R13: 00007fda6385d708 R14: 0000000000000028 R15: 0000000000008914
 </TASK>
INFO: task syz.5.2422:17620 blocked for more than 151 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.2422      state:D stack:26832 pid:17620 tgid:17612 ppid:15799  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5584 [inline]
 __schedule+0x1828/0x58c0 kernel/sched/core.c:7389
 __schedule_loop kernel/sched/core.c:7466 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7481
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7538
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 rtnl_lock net/core/rtnetlink.c:80 [inline]
 rtnl_nets_lock net/core/rtnetlink.c:366 [inline]
 rtnl_newlink+0xc1d/0x1c30 net/core/rtnetlink.c:4251