[  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

syzkaller login: [   32.071908][ T8420] sshd (8420) used greatest stack depth: 11520 bytes left
Warning: Permanently added '10.128.10.2' (ECDSA) to the list of known hosts.
executing program
executing program
[   67.263655][ T8464] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810fdc8280 (size 96):
  comm "syz-executor287", pid 8465, jiffies 4294943292 (age 14.000s)
  hex dump (first 32 bytes):
    00 50 de 00 00 c9 ff ff 00 00 02 00 00 00 00 00  .P..............
    00 00 00 00 00 10 00 00 20 00 00 00 20 00 00 00  ........ ... ...
  backtrace:
    [<000000002b8bcbd3>] xdp_umem_create+0x33/0x630
    [<000000005519a2b1>] xsk_setsockopt+0x4ad/0x590
    [<00000000c24f4e77>] __sys_setsockopt+0x1b0/0x360
    [<0000000081788e6c>] __x64_sys_setsockopt+0x22/0x30
    [<000000000bf4376c>] do_syscall_64+0x2d/0x70
    [<00000000813eea37>] entry_SYSCALL_64_after_hwframe+0x44/0xa9