[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 27.075802][ T22] kauditd_printk_skb: 18 callbacks suppressed [ 27.075808][ T22] audit: type=1400 audit(1564974687.754:35): avc: denied { map } for pid=6903 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 '10.128.0.51' (ECDSA) to the list of known hosts. [ 59.097800][ T22] audit: type=1400 audit(1564974719.774:36): avc: denied { map } for pid=6919 comm="syz-executor974" path="/root/syz-executor974081008" dev="sda1" ino=1426 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 [ 65.977093][ T22] audit: type=1400 audit(1564974726.654:37): avc: denied { create } for pid=6920 comm="syz-executor974" 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 [ 65.977768][ T6920] netlink: 'syz-executor974': attribute type 2 has an invalid length. [ 66.001863][ T22] audit: type=1400 audit(1564974726.654:38): avc: denied { write } for pid=6920 comm="syz-executor974" 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 [ 72.074901][ T6921] netlink: 'syz-executor974': attribute type 2 has an invalid length. executing program [ 78.037533][ T6922] netlink: 'syz-executor974': attribute type 2 has an invalid length. [ 78.969313][ T6919] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881108bc400 (size 128): comm "syz-executor974", pid 6921, jiffies 4294944482 (age 13.880s) hex dump (first 32 bytes): 00 20 4b 21 81 88 ff ff 00 c2 8b 10 81 88 ff ff . K!............ 00 32 78 22 81 88 ff ff 00 00 00 00 00 00 00 00 .2x"............ backtrace: [<00000000b1cdc790>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000076ee1898>] ovs_vport_alloc+0x37/0xf0 [<00000000c4425e25>] internal_dev_create+0x24/0x1d0 [<00000000cb9da76c>] ovs_vport_add+0x81/0x190 [<000000001605d7ad>] new_vport+0x19/0x80 [<00000000301e6d6e>] ovs_dp_cmd_new+0x22f/0x410 [<00000000c778048c>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000c5d72780>] genl_rcv_msg+0x54/0xa0 [<00000000701d54ad>] netlink_rcv_skb+0x61/0x170 [<00000000c617d6e6>] genl_rcv+0x29/0x40 [<000000008b762708>] netlink_unicast+0x1ec/0x2d0 [<00000000983ec323>] netlink_sendmsg+0x270/0x480 [<00000000043b8c46>] sock_sendmsg+0x54/0x70 [<0000000023116636>] ___sys_sendmsg+0x393/0x3c0 [<00000000a4b604d1>] __sys_sendmsg+0x80/0xf0 [<00000000d01df9e9>] __x64_sys_sendmsg+0x23/0x30