[  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 '10.128.1.39' (ECDSA) to the list of known hosts.
executing program
executing program
syzkaller login: [   75.840698][ T8392] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   77.899991][ T8392] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff8881116cd300 (size 232):
  comm "kworker/u4:4", pid 8396, jiffies 4294943624 (age 14.450s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    e0 e7 04 01 81 88 ff ff c0 80 54 0f 81 88 ff ff  ..........T.....
  backtrace:
    [<ffffffff8154aabf>] __alloc_file+0x1f/0xf0
    [<ffffffff8154b1f9>] alloc_empty_file+0x69/0x120
    [<ffffffff8154b2e3>] alloc_file+0x33/0x1b0
    [<ffffffff8154b512>] alloc_file_pseudo+0xb2/0x140
    [<ffffffff81559c08>] create_pipe_files+0x138/0x2e0
    [<ffffffff8126c7f3>] umd_setup+0x33/0x220
    [<ffffffff812535d4>] call_usermodehelper_exec_async+0xb4/0x1b0
    [<ffffffff8100227f>] ret_from_fork+0x1f/0x30

BUG: memory leak
unreferenced object 0xffff888112536b00 (size 232):
  comm "kworker/u4:4", pid 8396, jiffies 4294943624 (age 14.450s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    e0 e7 04 01 81 88 ff ff 80 24 5e 0f 81 88 ff ff  .........$^.....
  backtrace:
    [<ffffffff8154aabf>] __alloc_file+0x1f/0xf0
    [<ffffffff8154b1f9>] alloc_empty_file+0x69/0x120
    [<ffffffff8154b2e3>] alloc_file+0x33/0x1b0
    [<ffffffff8154b612>] alloc_file_clone+0x22/0x70
    [<ffffffff81559c52>] create_pipe_files+0x182/0x2e0
    [<ffffffff8126c86d>] umd_setup+0xad/0x220
    [<ffffffff812535d4>] call_usermodehelper_exec_async+0xb4/0x1b0
    [<ffffffff8100227f>] ret_from_fork+0x1f/0x30

BUG: memory leak
unreferenced object 0xffff888101f74280 (size 120):
  comm "kworker/u4:4", pid 822, jiffies 4294944257 (age 8.120s)
  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:
    [<ffffffff8125dcb6>] alloc_pid+0x66/0x560
    [<ffffffff81226455>] copy_process+0x1465/0x25e0
    [<ffffffff81227993>] kernel_clone+0xf3/0x670
    [<ffffffff812281f1>] kernel_thread+0x61/0x80
    [<ffffffff812534c4>] call_usermodehelper_exec_work+0xc4/0x120
    [<ffffffff81259229>] process_one_work+0x2c9/0x600
    [<ffffffff81259b19>] worker_thread+0x59/0x5d0
    [<ffffffff81261228>] kthread+0x178/0x1b0
    [<ffffffff8100227f>] ret_from_fork+0x1f/0x30