[....] 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: [ 51.562855][ T25] kauditd_printk_skb: 42 callbacks suppressed [ 51.562861][ T25] audit: type=1400 audit(1569062089.873:59): avc: denied { map } for pid=6818 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 '10.128.1.47' (ECDSA) to the list of known hosts. [ 57.709172][ T25] audit: type=1400 audit(1569062096.013:60): avc: denied { map } for pid=6830 comm="syz-executor083" path="/root/syz-executor083877892" dev="sda1" ino=16501 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 64.433588][ T6831] IPVS: ftp: loaded support on port[0] = 21 [ 64.452497][ T6831] chnl_net:caif_netlink_parms(): no params data found [ 64.464384][ T6831] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.472119][ T6831] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.479374][ T6831] device bridge_slave_0 entered promiscuous mode [ 64.486153][ T6831] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.493618][ T6831] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.500976][ T6831] device bridge_slave_1 entered promiscuous mode [ 64.509871][ T6831] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.519275][ T6831] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.530667][ T6831] team0: Port device team_slave_0 added [ 64.536664][ T6831] team0: Port device team_slave_1 added [ 64.600223][ T6831] device hsr_slave_0 entered promiscuous mode [ 64.659686][ T6831] device hsr_slave_1 entered promiscuous mode [ 64.711514][ T6831] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.718684][ T6831] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.726102][ T6831] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.733413][ T6831] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.746668][ T6831] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.754533][ T3528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.762203][ T3528] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.769820][ T3528] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.777093][ T3528] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.786278][ T6831] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.794131][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.802492][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.809535][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.819911][ T3528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.828321][ T3528] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.835395][ T3528] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.842949][ T3528] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.851450][ T3528] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.859445][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.869950][ T6831] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.881035][ T6831] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.892160][ T3528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.900245][ T3528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 64.908405][ T3528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.918190][ T6831] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.933430][ T25] audit: type=1400 audit(1569062103.243:61): avc: denied { create } for pid=6831 comm="syz-executor083" 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 [ 64.934081][ T6831] netlink: 'syz-executor083': attribute type 2 has an invalid length. [ 64.958947][ T25] audit: type=1400 audit(1569062103.243:62): avc: denied { write } for pid=6831 comm="syz-executor083" 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 [ 66.359908][ T20] device bridge_slave_1 left promiscuous mode [ 66.366279][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.419997][ T20] device bridge_slave_0 left promiscuous mode [ 66.426155][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.640144][ T20] device hsr_slave_0 left promiscuous mode [ 66.719791][ T20] device hsr_slave_1 left promiscuous mode [ 66.761059][ T20] team0 (unregistering): Port device team_slave_1 removed [ 66.770053][ T20] team0 (unregistering): Port device team_slave_0 removed [ 66.777857][ T20] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.800569][ T20] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.913357][ T20] bond0 (unregistering): Released all slaves [ 71.844278][ T6830] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888122d6c680 (size 128): comm "syz-executor083", pid 6831, jiffies 4294943766 (age 8.830s) hex dump (first 32 bytes): 00 90 24 1b 81 88 ff ff 00 c6 d6 22 81 88 ff ff ..$........".... c0 7c 1a 19 81 88 ff ff 00 00 00 00 00 00 00 00 .|.............. backtrace: [<00000000251badb5>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000b5646ff2>] ovs_vport_alloc+0x37/0xf0 [<0000000038d6871e>] internal_dev_create+0x24/0x1d0 [<000000003e15ae40>] ovs_vport_add+0x81/0x190 [<0000000087e55b97>] new_vport+0x19/0x80 [<00000000624e0b59>] ovs_dp_cmd_new+0x290/0x410 [<0000000000a15ab4>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000d98e8ef5>] genl_rcv_msg+0x54/0xa0 [<000000005afa69c3>] netlink_rcv_skb+0x61/0x170 [<00000000bbdc4fff>] genl_rcv+0x29/0x40 [<000000008869690a>] netlink_unicast+0x1ec/0x2d0 [<00000000b2e2cd7a>] netlink_sendmsg+0x270/0x480 [<00000000a9f8449f>] sock_sendmsg+0x54/0x70 [<000000000b3f9330>] ___sys_sendmsg+0x393/0x3c0 [<00000000b1674546>] __sys_sendmsg+0x80/0xf0 [<00000000bd211a53>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff8881191a7cc0 (size 64): comm "syz-executor083", pid 6831, jiffies 4294943766 (age 8.830s) hex dump (first 32 bytes): 01 00 00 00 01 00 00 00 08 7d 1a 19 81 88 ff ff .........}...... 00 00 00 00 00 00 00 00 02 00 00 00 05 35 82 c1 .............5.. backtrace: [<000000004ae8b4c9>] __kmalloc+0x169/0x300 [<00000000435577cd>] ovs_vport_set_upcall_portids+0x54/0xd0 [<0000000093727ddc>] ovs_vport_alloc+0x7f/0xf0 [<0000000038d6871e>] internal_dev_create+0x24/0x1d0 [<000000003e15ae40>] ovs_vport_add+0x81/0x190 [<0000000087e55b97>] new_vport+0x19/0x80 [<00000000624e0b59>] ovs_dp_cmd_new+0x290/0x410 [<0000000000a15ab4>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000d98e8ef5>] genl_rcv_msg+0x54/0xa0 [<000000005afa69c3>] netlink_rcv_skb+0x61/0x170 [<00000000bbdc4fff>] genl_rcv+0x29/0x40 [<000000008869690a>] netlink_unicast+0x1ec/0x2d0 [<00000000b2e2cd7a>] netlink_sendmsg+0x270/0x480 [<00000000a9f8449f>] sock_sendmsg+0x54/0x70 [<000000000b3f9330>] ___sys_sendmsg+0x393/0x3c0 [<00000000b1674546>] __sys_sendmsg+0x80/0xf0