[....] 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: [   31.094708][   T25] kauditd_printk_skb: 44 callbacks suppressed
[   31.094715][   T25] audit: type=1400 audit(1569812261.158:65): avc:  denied  { map } for  pid=6928 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 '10.128.0.33' (ECDSA) to the list of known hosts.
[   37.021453][   T25] audit: type=1400 audit(1569812267.078:66): avc:  denied  { map } for  pid=6942 comm="syz-executor226" path="/root/syz-executor226911929" 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
[   43.842532][   T25] audit: type=1400 audit(1569812273.908:67): avc:  denied  { create } for  pid=6944 comm="syz-executor226" 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
[   43.843648][ T6944] netlink: 'syz-executor226': attribute type 2 has an invalid length.
[   43.867322][   T25] audit: type=1400 audit(1569812273.908:68): avc:  denied  { write } for  pid=6944 comm="syz-executor226" 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
[   43.878040][ T6944] device  entered promiscuous mode
executing program
[   48.951786][ T6952] netlink: 'syz-executor226': attribute type 2 has an invalid length.
executing program
[   54.827497][ T6953] netlink: 'syz-executor226': attribute type 2 has an invalid length.
executing program
[   60.881189][ T6954] netlink: 'syz-executor226': attribute type 2 has an invalid length.
executing program
[   65.960902][ T6955] netlink: 'syz-executor226': attribute type 2 has an invalid length.
[   72.186449][ T6942] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810d00f200 (size 128):
  comm "syz-executor226", pid 6955, jiffies 4294943860 (age 8.410s)
  hex dump (first 32 bytes):
    00 30 50 0c 81 88 ff ff 00 ea 03 0f 81 88 ff ff  .0P.............
    00 a3 8b 09 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000b8452d6b>] kmem_cache_alloc_trace+0x145/0x2c0
    [<000000001c4af37a>] ovs_vport_alloc+0x37/0xf0
    [<000000008f487c35>] internal_dev_create+0x24/0x1d0
    [<00000000740f6274>] ovs_vport_add+0x81/0x190
    [<000000003666f645>] new_vport+0x19/0x80
    [<0000000088e6f365>] ovs_dp_cmd_new+0x290/0x410
    [<000000004c40057c>] genl_family_rcv_msg+0x2ab/0x5b0
    [<000000001a14f1f2>] genl_rcv_msg+0x54/0xa0
    [<00000000d2e02c9f>] netlink_rcv_skb+0x61/0x170
    [<0000000064209de9>] genl_rcv+0x29/0x40
    [<00000000b8b1f7b6>] netlink_unicast+0x1ec/0x2d0
    [<00000000f556f0b2>] netlink_sendmsg+0x270/0x480
    [<000000004924fc33>] sock_sendmsg+0x54/0x70
    [<00000000324ad9ca>] ___sys_sendmsg+0x393/0x3c0
    [<00000000723d90fd>] __sys_sendmsg+0x80/0xf0
    [<00000000d610ce9a>] __x64_sys_sendmsg+0x23/0x30

BUG: memory leak
unreferenced object 0xffff8881098ba300 (size 64):
  comm "syz-executor226", pid 6955, jiffies 4294943860 (age 8.410s)
  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:
    [<00000000815b6667>] __kmalloc+0x169/0x300
    [<00000000c9050785>] ovs_vport_set_upcall_portids+0x54/0xd0
    [<000000009a660809>] ovs_vport_alloc+0x7f/0xf0
    [<000000008f487c35>] internal_dev_create+0x24/0x1d0
    [<00000000740f6274>] ovs_vport_add+0x81/0x190
    [<000000003666f645>] new_vport+0x19/0x80
    [<0000000088e6f365>] ovs_dp_cmd_new+0x290/0x410
    [<000000004c40057c>] genl_family_rcv_msg+0x2ab/0x5b0
    [<000000001a14f1f2>] genl_rcv_msg+0x54/0xa0
    [<00000000d2e02c9f>] netlink_rcv_skb+0x61/0x170
    [<0000000064209de9>] genl_rcv+0x29/0x40
    [<00000000b8b1f7b6>] netlink_unicast+0x1ec/0x2d0
    [<00000000f556f0b2>] netlink_sendmsg+0x270/0x480
    [<000000004924fc33>] sock_sendmsg+0x54/0x70
    [<00000000324ad9ca>] ___sys_sendmsg+0x393/0x3c0
    [<00000000723d90fd>] __sys_sendmsg+0x80/0xf0