[  OK  ] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.1.38' (ECDSA) to the list of known hosts.
executing program
BUG: memory leak
unreferenced object 0xffff88810184c200 (size 120):
  comm "kworker/u4:5", pid 995, jiffies 4294956488 (age 8.360s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000005c89b216>] alloc_pid+0x66/0x560 kernel/pid.c:180
    [<00000000a9e30ab6>] copy_process+0x143b/0x25c0 kernel/fork.c:2113
    [<000000002eb76b05>] kernel_clone+0xf3/0x670 kernel/fork.c:2462
    [<0000000097da9736>] kernel_thread+0x61/0x80 kernel/fork.c:2514
    [<000000003cdf178e>] call_usermodehelper_exec_work kernel/umh.c:172 [inline]
    [<000000003cdf178e>] call_usermodehelper_exec_work+0xc4/0x120 kernel/umh.c:158
    [<00000000c4c11511>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275
    [<000000003cc14e9e>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421
    [<000000002a667f23>] kthread+0x178/0x1b0 kernel/kthread.c:292
    [<00000000db76ae98>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296