[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.128' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
syzkaller login: [   63.132992][ T8426] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   67.147837][ T8426] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888101b28700 (size 120):
  comm "kworker/u4:3", pid 437, jiffies 4294942946 (age 12.470s)
  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:
    [<00000000675e497f>] alloc_pid+0x66/0x560
    [<00000000c6c95c36>] copy_process+0x143b/0x25c0
    [<0000000012098785>] kernel_clone+0xf3/0x670
    [<00000000ae9a95c3>] kernel_thread+0x61/0x80
    [<00000000463c00f5>] call_usermodehelper_exec_work+0xc4/0x120
    [<000000002c6c1e03>] process_one_work+0x2c9/0x600
    [<0000000044ae9c04>] worker_thread+0x59/0x5d0
    [<00000000fffa9ec5>] kthread+0x178/0x1b0
    [<000000004d0e1a18>] ret_from_fork+0x1f/0x30

BUG: memory leak
unreferenced object 0xffff88810f27bd00 (size 232):
  comm "kworker/u4:3", pid 8430, jiffies 4294942946 (age 12.470s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    60 ce c8 02 81 88 ff ff c0 0c 3c 10 81 88 ff ff  `.........<.....
  backtrace:
    [<00000000a589c25e>] __alloc_file+0x1f/0xf0
    [<000000003d8d4d38>] alloc_empty_file+0x69/0x120
    [<0000000015456638>] alloc_file+0x33/0x1b0
    [<000000007954128c>] alloc_file_pseudo+0xb2/0x140
    [<00000000ce9baf8e>] create_pipe_files+0x138/0x2e0
    [<000000009b5bf6c3>] umd_setup+0x33/0x220
    [<00000000edfc625e>] call_usermodehelper_exec_async+0xb4/0x1b0
    [<000000004d0e1a18>] ret_from_fork+0x1f/0x30