[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   42.577437][   T22] kauditd_printk_skb: 48 callbacks suppressed
[   42.577444][   T22] audit: type=1400 audit(1569704313.570:69): avc:  denied  { map } for  pid=6822 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
Warning: Permanently added '10.128.0.35' (ECDSA) to the list of known hosts.
[   61.687884][   T22] audit: type=1400 audit(1569704332.680:70): avc:  denied  { map } for  pid=6834 comm="syz-executor047" path="/root/syz-executor047746640" dev="sda1" ino=16498 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
executing program
executing program
executing program
executing program
executing program
[   97.496546][ T6834] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888121abf800 (size 224):
  comm "syz-executor047", pid 6835, jiffies 4294944135 (age 30.850s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 60 c4 0b 81 88 ff ff 00 a0 92 1b 81 88 ff ff  .`..............
  backtrace:
    [<000000006b0dd66f>] kmem_cache_alloc_node+0x163/0x2f0
    [<00000000d43b34c1>] __alloc_skb+0x6e/0x210
    [<000000004b25e105>] alloc_skb_with_frags+0x5f/0x250
    [<00000000f458506c>] sock_alloc_send_pskb+0x269/0x2a0
    [<000000003796d963>] sock_alloc_send_skb+0x32/0x40
    [<00000000cb9511cf>] llc_ui_sendmsg+0x10a/0x540
    [<00000000eedf585e>] sock_sendmsg+0x54/0x70
    [<00000000d1c6188a>] ___sys_sendmsg+0x194/0x3c0
    [<00000000d958b35b>] __sys_sendmmsg+0xf4/0x270
    [<000000004c626e45>] __x64_sys_sendmmsg+0x28/0x30
    [<0000000054d37d35>] do_syscall_64+0x73/0x1f0
    [<00000000eb12fc7e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888120221100 (size 224):
  comm "syz-executor047", pid 6837, jiffies 4294945295 (age 19.250s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 60 c4 0b 81 88 ff ff 00 b8 ac 28 81 88 ff ff  .`.........(....
  backtrace:
    [<000000006b0dd66f>] kmem_cache_alloc_node+0x163/0x2f0
    [<00000000d43b34c1>] __alloc_skb+0x6e/0x210
    [<000000004b25e105>] alloc_skb_with_frags+0x5f/0x250
    [<00000000f458506c>] sock_alloc_send_pskb+0x269/0x2a0
    [<000000003796d963>] sock_alloc_send_skb+0x32/0x40
    [<00000000cb9511cf>] llc_ui_sendmsg+0x10a/0x540
    [<00000000eedf585e>] sock_sendmsg+0x54/0x70
    [<00000000d1c6188a>] ___sys_sendmsg+0x194/0x3c0
    [<00000000d958b35b>] __sys_sendmmsg+0xf4/0x270
    [<000000004c626e45>] __x64_sys_sendmmsg+0x28/0x30
    [<0000000054d37d35>] do_syscall_64+0x73/0x1f0
    [<00000000eb12fc7e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888122cef600 (size 512):
  comm "syz-executor047", pid 6837, jiffies 4294945295 (age 19.250s)
  hex dump (first 32 bytes):
    01 00 00 00 05 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:
    [<00000000fc518a65>] kmem_cache_alloc_node_trace+0x161/0x2f0
    [<0000000018b484f6>] __kmalloc_node_track_caller+0x38/0x50
    [<00000000b7481c0d>] __kmalloc_reserve.isra.0+0x40/0xb0
    [<0000000074048a8e>] __alloc_skb+0xa0/0x210
    [<000000004b25e105>] alloc_skb_with_frags+0x5f/0x250
    [<00000000f458506c>] sock_alloc_send_pskb+0x269/0x2a0
    [<000000003796d963>] sock_alloc_send_skb+0x32/0x40
    [<00000000cb9511cf>] llc_ui_sendmsg+0x10a/0x540
    [<00000000eedf585e>] sock_sendmsg+0x54/0x70
    [<00000000d1c6188a>] ___sys_sendmsg+0x194/0x3c0
    [<00000000d958b35b>] __sys_sendmmsg+0xf4/0x270
    [<000000004c626e45>] __x64_sys_sendmmsg+0x28/0x30
    [<0000000054d37d35>] do_syscall_64+0x73/0x1f0
    [<00000000eb12fc7e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9