[....] 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: [ 26.068548][ T25] kauditd_printk_skb: 18 callbacks suppressed [ 26.068555][ T25] audit: type=1400 audit(1568893108.368:35): avc: denied { map } for pid=6804 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 '10.128.0.78' (ECDSA) to the list of known hosts. [ 44.900641][ T25] audit: type=1400 audit(1568893127.198:36): avc: denied { map } for pid=6820 comm="syz-executor123" path="/root/syz-executor123336193" 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 [ 51.982214][ T25] audit: type=1400 audit(1568893134.288:37): avc: denied { create } for pid=6821 comm="syz-executor123" 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 [ 51.982904][ T6821] netlink: 'syz-executor123': attribute type 2 has an invalid length. [ 52.006956][ T25] audit: type=1400 audit(1568893134.288:38): avc: denied { write } for pid=6821 comm="syz-executor123" 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 [ 57.895960][ T6822] netlink: 'syz-executor123': attribute type 2 has an invalid length. executing program [ 64.014012][ T6823] netlink: 'syz-executor123': attribute type 2 has an invalid length. executing program [ 69.970595][ T6824] netlink: 'syz-executor123': attribute type 2 has an invalid length. [ 71.328752][ T3778] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 72.454523][ T6820] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881235fa680 (size 128): comm "syz-executor123", pid 6822, jiffies 4294943050 (age 19.720s) hex dump (first 32 bytes): 00 70 c0 17 81 88 ff ff 80 40 64 2a 81 88 ff ff .p.......@d*.... 40 b5 c0 20 81 88 ff ff 00 00 00 00 00 00 00 00 @.. ............ backtrace: [<00000000ddc2003c>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000007f3191f>] ovs_vport_alloc+0x37/0xf0 [<000000003c6f416b>] internal_dev_create+0x24/0x1d0 [<00000000a61cb91b>] ovs_vport_add+0x81/0x190 [<0000000060b22736>] new_vport+0x19/0x80 [<00000000a8f5944e>] ovs_dp_cmd_new+0x290/0x410 [<00000000906a5cbe>] genl_family_rcv_msg+0x2ab/0x5b0 [<000000009809ce79>] genl_rcv_msg+0x54/0xa0 [<000000003182b0c9>] netlink_rcv_skb+0x61/0x170 [<000000001f1ed237>] genl_rcv+0x29/0x40 [<00000000f8b0f7e1>] netlink_unicast+0x1ec/0x2d0 [<00000000174dc3f9>] netlink_sendmsg+0x270/0x480 [<00000000395c1cab>] sock_sendmsg+0x54/0x70 [<000000003bd7e76c>] ___sys_sendmsg+0x393/0x3c0 [<00000000ad2a5a18>] __sys_sendmsg+0x80/0xf0 [<0000000073d21d74>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff888121adb680 (size 128): comm "syz-executor123", pid 6823, jiffies 4294943662 (age 13.600s) hex dump (first 32 bytes): 00 00 17 19 81 88 ff ff 00 b6 ad 21 81 88 ff ff ...........!.... 80 b1 c0 20 81 88 ff ff 00 00 00 00 00 00 00 00 ... ............ backtrace: [<00000000ddc2003c>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000007f3191f>] ovs_vport_alloc+0x37/0xf0 [<000000003c6f416b>] internal_dev_create+0x24/0x1d0 [<00000000a61cb91b>] ovs_vport_add+0x81/0x190 [<0000000060b22736>] new_vport+0x19/0x80 [<00000000a8f5944e>] ovs_dp_cmd_new+0x290/0x410 [<00000000906a5cbe>] genl_family_rcv_msg+0x2ab/0x5b0 [<000000009809ce79>] genl_rcv_msg+0x54/0xa0 [<000000003182b0c9>] netlink_rcv_skb+0x61/0x170 [<000000001f1ed237>] genl_rcv+0x29/0x40 [<00000000f8b0f7e1>] netlink_unicast+0x1ec/0x2d0 [<00000000174dc3f9>] netlink_sendmsg+0x270/0x480 [<00000000395c1cab>] sock_sendmsg+0x54/0x70 [<000000003bd7e76c>] ___sys_sendmsg+0x393/0x3c0 [<00000000ad2a5a18>] __sys_sendmsg+0x80/0xf0 [<0000000073d21d74>] __x64_sys_sendmsg+0x23/0x30