[  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 '10.128.0.234' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   61.975768][ T8427] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888113525400 (size 232):
  comm "syz-executor631", pid 8432, jiffies 4294942861 (age 8.140s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 40 b9 02 81 88 ff ff 40 98 d3 02 81 88 ff ff  .@......@.......
  backtrace:
    [<ffffffff836cedbf>] __alloc_skb+0x20f/0x280
    [<ffffffff83e3dc9e>] sctp_packet_transmit+0xae/0xc50
    [<ffffffff83e21ec1>] sctp_outq_flush_transports+0x151/0x1c0
    [<ffffffff83e24b8f>] sctp_outq_uncork+0xaf/0xd0
    [<ffffffff83e0bc72>] sctp_do_sm+0x312/0x2260
    [<ffffffff83e12963>] sctp_assoc_bh_rcv+0x1e3/0x300
    [<ffffffff83e217f3>] sctp_inq_push+0x93/0xc0
    [<ffffffff83e3f6f2>] sctp_backlog_rcv+0xa2/0x4b0
    [<ffffffff836ca75e>] __release_sock+0xbe/0x140
    [<ffffffff836ca812>] release_sock+0x32/0xd0
    [<ffffffff83a4acf9>] inet_shutdown+0xd9/0x1a0
    [<ffffffff836c187b>] __sys_shutdown+0x6b/0xd0
    [<ffffffff836c18f6>] __x64_sys_shutdown+0x16/0x20
    [<ffffffff8439b235>] do_syscall_64+0x35/0xb0
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae