[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 29.658682][ T26] audit: type=1400 audit(1579622820.632:37): avc: denied { watch } for pid=7207 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [....] 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: [ 34.412197][ T26] kauditd_printk_skb: 3 callbacks suppressed [ 34.412204][ T26] audit: type=1400 audit(1579622825.382:41): avc: denied { map } for pid=7282 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 '10.128.10.16' (ECDSA) to the list of known hosts. [ 45.573264][ T26] audit: type=1400 audit(1579622836.542:42): avc: denied { map } for pid=7296 comm="syz-executor783" path="/root/syz-executor783565704" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 52.428775][ T7297] IPVS: ftp: loaded support on port[0] = 21 [ 52.447757][ T7297] chnl_net:caif_netlink_parms(): no params data found [ 52.459881][ T7297] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.467019][ T7297] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.474377][ T7297] device bridge_slave_0 entered promiscuous mode [ 52.481614][ T7297] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.488839][ T7297] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.496413][ T7297] device bridge_slave_1 entered promiscuous mode [ 52.505843][ T7297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.515684][ T7297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.527640][ T7297] team0: Port device team_slave_0 added [ 52.533765][ T7297] team0: Port device team_slave_1 added [ 52.541815][ T7297] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.548904][ T7297] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 52.575052][ T7297] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.586075][ T7297] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.593061][ T7297] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 52.619083][ T7297] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.715323][ T7297] device hsr_slave_0 entered promiscuous mode [ 52.764719][ T7297] device hsr_slave_1 entered promiscuous mode [ 52.830194][ T26] audit: type=1400 audit(1579622843.802:43): avc: denied { create } for pid=7297 comm="syz-executor783" 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 [ 52.855619][ T7297] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.862441][ T26] audit: type=1400 audit(1579622843.832:44): avc: denied { write } for pid=7297 comm="syz-executor783" 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 [ 52.887118][ T26] audit: type=1400 audit(1579622843.832:45): avc: denied { read } for pid=7297 comm="syz-executor783" 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 [ 52.912850][ T7297] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.945493][ T7297] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.995385][ T7297] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.057549][ T7297] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.064942][ T7297] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.072254][ T7297] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.079377][ T7297] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.095465][ T7297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.103750][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.121465][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.140159][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.147608][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.156413][ T7297] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.164998][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.173346][ T25] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.180525][ T25] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.189037][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.197394][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.204705][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.215548][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.223719][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.233304][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.244279][ T7297] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.254916][ T7297] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.266260][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.274251][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.282607][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.293908][ T7297] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.301306][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.309121][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.320192][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.332428][ T7297] device veth0_vlan entered promiscuous mode [ 53.338843][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.347069][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.355535][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.364651][ T7297] device veth1_vlan entered promiscuous mode [ 53.375061][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.382889][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.391046][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.400521][ T7297] device veth0_macvtap entered promiscuous mode executing program [ 53.408200][ T7297] device veth1_macvtap entered promiscuous mode [ 53.418240][ T7297] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.425505][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.434148][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.443013][ T7297] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.450923][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.463203][ T7302] netlink: 'syz-executor783': attribute type 5 has an invalid length. executing program [ 59.465076][ T7303] netlink: 'syz-executor783': attribute type 5 has an invalid length. [ 60.472555][ T7297] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 62.864768][ T0] NOHZ: local_softirq_pending 08 BUG: memory leak unreferenced object 0xffff888120b85c40 (size 64): comm "syz-executor783", pid 7302, jiffies 4294942613 (age 14.030s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 01 00 00 00 01 02 00 00 ................ backtrace: [<000000000312cb0f>] __kmalloc+0x169/0x300 [<0000000011736472>] mrp_request_join+0x13d/0x220 [<000000003ff9bf8f>] vlan_mvrp_request_join+0x86/0x90 [<0000000020a13a26>] vlan_dev_open+0x154/0x290 [<0000000010d96d5d>] __dev_open+0x109/0x1b0 [<00000000e9578876>] __dev_change_flags+0x246/0x2c0 [<000000002c92e0e1>] rtnl_configure_link+0x57/0x100 [<000000000504898e>] __rtnl_newlink+0x8b9/0xb80 [<00000000eb645fa3>] rtnl_newlink+0x4e/0x80 [<0000000034f28a5d>] rtnetlink_rcv_msg+0x178/0x4b0 [<00000000dc499e73>] netlink_rcv_skb+0x61/0x170 [<00000000b6cd4d73>] rtnetlink_rcv+0x1d/0x30 [<0000000092a30a6a>] netlink_unicast+0x223/0x310 [<0000000006ceb85b>] netlink_sendmsg+0x2c0/0x570 [<000000009199ec36>] sock_sendmsg+0x54/0x70 [<000000002acd085e>] ____sys_sendmsg+0x2d0/0x300