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

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   30.192496][   T25] kauditd_printk_skb: 40 callbacks suppressed
[   30.192501][   T25] audit: type=1400 audit(1569660217.653:61): avc:  denied  { map } for  pid=6830 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 '10.128.0.65' (ECDSA) to the list of known hosts.
[   36.364935][   T25] audit: type=1400 audit(1569660223.823:62): avc:  denied  { map } for  pid=6844 comm="syz-executor140" path="/root/syz-executor140538088" 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
[   43.184580][   T25] audit: type=1400 audit(1569660230.643:63): avc:  denied  { create } for  pid=6846 comm="syz-executor140" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
[   43.185229][ T6846] netlink: 'syz-executor140': attribute type 2 has an invalid length.
[   43.209318][   T25] audit: type=1400 audit(1569660230.643:64): avc:  denied  { write } for  pid=6846 comm="syz-executor140" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
executing program
[   49.095088][ T6847] netlink: 'syz-executor140': attribute type 2 has an invalid length.
[   49.977598][ T6844] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888124cc4680 (size 128):
  comm "syz-executor140", pid 6846, jiffies 4294941589 (age 13.720s)
  hex dump (first 32 bytes):
    00 30 7b 1d 81 88 ff ff 00 46 cc 24 81 88 ff ff  .0{......F.$....
    c0 65 a9 2a 81 88 ff ff 00 00 00 00 00 00 00 00  .e.*............
  backtrace:
    [<0000000078acdda5>] kmem_cache_alloc_trace+0x145/0x2c0
    [<00000000d4b8590d>] ovs_vport_alloc+0x37/0xf0
    [<0000000084d65542>] internal_dev_create+0x24/0x1d0
    [<000000003bb452f6>] ovs_vport_add+0x81/0x190
    [<00000000fbe19980>] new_vport+0x19/0x80
    [<000000004c0682cf>] ovs_dp_cmd_new+0x290/0x410
    [<000000000d479c7c>] genl_family_rcv_msg+0x2ab/0x5b0
    [<00000000ea94102a>] genl_rcv_msg+0x54/0xa0
    [<0000000086fa6af1>] netlink_rcv_skb+0x61/0x170
    [<00000000b053eb00>] genl_rcv+0x29/0x40
    [<000000001e335df1>] netlink_unicast+0x1ec/0x2d0
    [<000000003c0c7a7a>] netlink_sendmsg+0x270/0x480
    [<000000005d376123>] sock_sendmsg+0x54/0x70
    [<000000009fadc876>] ___sys_sendmsg+0x393/0x3c0
    [<00000000440505a9>] __sys_sendmsg+0x80/0xf0
    [<00000000dd0b3de2>] __x64_sys_sendmsg+0x23/0x30

BUG: memory leak
unreferenced object 0xffff88812aa965c0 (size 64):
  comm "syz-executor140", pid 6846, jiffies 4294941589 (age 13.720s)
  hex dump (first 32 bytes):
    01 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 02 00 00 00 05 35 82 c1  .............5..
  backtrace:
    [<00000000a74fdafe>] __kmalloc+0x169/0x300
    [<000000007c18e92a>] ovs_vport_set_upcall_portids+0x54/0xd0
    [<000000005755a7bf>] ovs_vport_alloc+0x7f/0xf0
    [<0000000084d65542>] internal_dev_create+0x24/0x1d0
    [<000000003bb452f6>] ovs_vport_add+0x81/0x190
    [<00000000fbe19980>] new_vport+0x19/0x80
    [<000000004c0682cf>] ovs_dp_cmd_new+0x290/0x410
    [<000000000d479c7c>] genl_family_rcv_msg+0x2ab/0x5b0
    [<00000000ea94102a>] genl_rcv_msg+0x54/0xa0
    [<0000000086fa6af1>] netlink_rcv_skb+0x61/0x170
    [<00000000b053eb00>] genl_rcv+0x29/0x40
    [<000000001e335df1>] netlink_unicast+0x1ec/0x2d0
    [<000000003c0c7a7a>] netlink_sendmsg+0x270/0x480
    [<000000005d376123>] sock_sendmsg+0x54/0x70
    [<000000009fadc876>] ___sys_sendmsg+0x393/0x3c0
    [<00000000440505a9>] __sys_sendmsg+0x80/0xf0