INFO: task syz.2.37:5876 blocked for more than 149 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.37        state:D stack:25632 pid:5876  tgid:5871  ppid:5619   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x1821/0x5740
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7f7/0x1550
 __tun_chr_ioctl+0x3bc/0x1e10
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe4dbb9ce59
RSP: 002b:00007fe4dca09028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe4dbe16180 RCX: 00007fe4dbb9ce59
RDX: 00002000000000c0 RSI: 00000000400454ca RDI: 000000000000000b
RBP: 00007fe4dbc32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe4dbe16218 R14: 00007fe4dbe16180 R15: 00007fffffac0868
 </TASK>
