[....] 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: [ 38.857634][ T22] kauditd_printk_skb: 50 callbacks suppressed [ 38.857640][ T22] audit: type=1400 audit(1569368021.916:71): avc: denied { map } for pid=6765 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 '10.128.1.1' (ECDSA) to the list of known hosts. [ 68.856626][ T22] audit: type=1400 audit(1569368051.916:72): avc: denied { map } for pid=6778 comm="syz-executor629" path="/root/syz-executor629732224" 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 [ 75.754675][ T6779] IPVS: ftp: loaded support on port[0] = 21 [ 75.772916][ T6779] chnl_net:caif_netlink_parms(): no params data found [ 75.784303][ T6779] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.791378][ T6779] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.798713][ T6779] device bridge_slave_0 entered promiscuous mode [ 75.805778][ T6779] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.812833][ T6779] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.820066][ T6779] device bridge_slave_1 entered promiscuous mode [ 75.829055][ T6779] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.838484][ T6779] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.849836][ T6779] team0: Port device team_slave_0 added [ 75.855810][ T6779] team0: Port device team_slave_1 added [ 75.883446][ T6779] device hsr_slave_0 entered promiscuous mode [ 75.922834][ T6779] device hsr_slave_1 entered promiscuous mode [ 75.964632][ T6779] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.972033][ T6779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.979260][ T6779] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.986297][ T6779] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.999705][ T6779] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.007574][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.015208][ T3043] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.022433][ T3043] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.029908][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.038793][ T6779] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.046588][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.054744][ T2862] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.061858][ T2862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.073701][ T6779] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.084203][ T6779] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.095372][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.103759][ T3043] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.110769][ T3043] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.118339][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.126379][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.134421][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.142392][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.150955][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.158274][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 76.168083][ T6779] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.183654][ T22] audit: type=1400 audit(1569368059.246:73): avc: denied { create } for pid=6779 comm="syz-executor629" 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 [ 76.184290][ T6779] netlink: 'syz-executor629': attribute type 2 has an invalid length. [ 76.209237][ T22] audit: type=1400 audit(1569368059.246:74): avc: denied { write } for pid=6779 comm="syz-executor629" 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 [ 77.423170][ T7] device bridge_slave_1 left promiscuous mode [ 77.429594][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.472991][ T7] device bridge_slave_0 left promiscuous mode [ 77.479196][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.663007][ T7] device hsr_slave_0 left promiscuous mode [ 77.722792][ T7] device hsr_slave_1 left promiscuous mode [ 77.764017][ T7] team0 (unregistering): Port device team_slave_1 removed [ 77.771811][ T7] team0 (unregistering): Port device team_slave_0 removed [ 77.779709][ T7] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.833427][ T7] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.876426][ T7] bond0 (unregistering): Released all slaves [ 82.095223][ T6778] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881160c4800 (size 128): comm "syz-executor629", pid 6779, jiffies 4294944895 (age 7.830s) hex dump (first 32 bytes): 00 40 4b 20 81 88 ff ff 00 4f bb 22 81 88 ff ff .@K .....O.".... 80 c4 29 21 81 88 ff ff 00 00 00 00 00 00 00 00 ..)!............ backtrace: [<0000000058e84ef3>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000971a7f73>] ovs_vport_alloc+0x37/0xf0 [<000000008a185b31>] internal_dev_create+0x24/0x1d0 [<00000000469401b9>] ovs_vport_add+0x81/0x190 [<000000000ff9f4f7>] new_vport+0x19/0x80 [<0000000050f0794a>] ovs_dp_cmd_new+0x290/0x410 [<000000008c4a33b3>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000e5dfe0cd>] genl_rcv_msg+0x54/0xa0 [<000000001ecce3a9>] netlink_rcv_skb+0x61/0x170 [<000000007f17b2b7>] genl_rcv+0x29/0x40 [<0000000098c32c12>] netlink_unicast+0x1ec/0x2d0 [<000000000f0983f0>] netlink_sendmsg+0x270/0x480 [<00000000b85c2a27>] sock_sendmsg+0x54/0x70 [<000000007f3d6371>] ___sys_sendmsg+0x393/0x3c0 [<000000009c3015ae>] __sys_sendmsg+0x80/0xf0 [<00000000c178e697>] __x64_sys_sendmsg+0x23/0x30 BUG: memory leak unreferenced object 0xffff88812129c480 (size 64): comm "syz-executor629", pid 6779, jiffies 4294944895 (age 7.830s) hex dump (first 32 bytes): 01 00 00 00 01 00 00 00 01 00 00 00 00 00 00 00 ................ 08 c5 29 21 81 88 ff ff 02 00 00 00 05 35 82 c1 ..)!.........5.. backtrace: [<0000000086d3fed5>] __kmalloc+0x169/0x300 [<00000000ef4caf4c>] ovs_vport_set_upcall_portids+0x54/0xd0 [<00000000d0bb5f8c>] ovs_vport_alloc+0x7f/0xf0 [<000000008a185b31>] internal_dev_create+0x24/0x1d0 [<00000000469401b9>] ovs_vport_add+0x81/0x190 [<000000000ff9f4f7>] new_vport+0x19/0x80 [<0000000050f0794a>] ovs_dp_cmd_new+0x290/0x410 [<000000008c4a33b3>] genl_family_rcv_msg+0x2ab/0x5b0 [<00000000e5dfe0cd>] genl_rcv_msg+0x54/0xa0 [<000000001ecce3a9>] netlink_rcv_skb+0x61/0x170 [<000000007f17b2b7>] genl_rcv+0x29/0x40 [<0000000098c32c12>] netlink_unicast+0x1ec/0x2d0 [<000000000f0983f0>] netlink_sendmsg+0x270/0x480 [<00000000b85c2a27>] sock_sendmsg+0x54/0x70 [<000000007f3d6371>] ___sys_sendmsg+0x393/0x3c0 [<000000009c3015ae>] __sys_sendmsg+0x80/0xf0