[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. syzkaller login: [ 48.889028][ T8463] IPVS: ftp: loaded support on port[0] = 21 [ 48.915898][ T8463] chnl_net:caif_netlink_parms(): no params data found [ 48.936523][ T8463] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.943552][ T8463] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.951095][ T8463] device bridge_slave_0 entered promiscuous mode [ 48.958234][ T8463] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.965791][ T8463] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.973048][ T8463] device bridge_slave_1 entered promiscuous mode [ 48.983515][ T8463] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.993494][ T8463] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.006477][ T8463] team0: Port device team_slave_0 added [ 49.012574][ T8463] team0: Port device team_slave_1 added [ 49.021740][ T8463] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.028710][ T8463] 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. [ 49.054600][ T8463] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.065617][ T8463] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.072538][ T8463] 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. [ 49.098455][ T8463] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.113894][ T8463] device hsr_slave_0 entered promiscuous mode [ 49.120109][ T8463] device hsr_slave_1 entered promiscuous mode [ 49.149034][ T8463] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.157029][ T8463] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.164667][ T8463] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.172032][ T8463] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.184795][ T8463] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.191810][ T8463] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.199043][ T8463] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.206082][ T8463] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.225570][ T8463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.234808][ T3861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.242426][ T3861] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.250225][ T3861] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.257778][ T3861] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.266832][ T8463] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.275112][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.283217][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.290262][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.304080][ T4898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.312205][ T4898] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.319254][ T4898] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.327088][ T4898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.335377][ T4898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.343567][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.352278][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.362342][ T8463] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.372965][ T8463] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.380701][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.392117][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.399827][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.409044][ T8463] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.420276][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.432420][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.440595][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.448113][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.456564][ T8463] device veth0_vlan entered promiscuous mode [ 49.465178][ T8463] device veth1_vlan entered promiscuous mode [ 49.476835][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.484647][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.492329][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.501941][ T8463] device veth0_macvtap entered promiscuous mode [ 49.509773][ T8463] device veth1_macvtap entered promiscuous mode [ 49.520237][ T8463] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.527943][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.536612][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.545728][ T8463] batman_adv: batadv0: Interface activated: batadv_slave_1 executing program [ 49.552991][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.562288][ T8463] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.571145][ T8463] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.580306][ T8463] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.589025][ T8463] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.607786][ T8670] netlink: 8 bytes leftover after parsing attributes in process `syz-executor384'. executing program [ 55.671465][ T8675] netlink: 8 bytes leftover after parsing attributes in process `syz-executor384'. [ 56.704629][ T8463] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888114099fc0 (size 64): comm "syz-executor384", pid 8670, jiffies 4294942234 (age 14.160s) 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 08 00 00 00 01 02 00 00 ................ backtrace: [<0000000026d166cf>] garp_request_join+0x138/0x220 [<00000000e5e2b23c>] vlan_gvrp_request_join+0x96/0xa0 [<000000005fbe3f4d>] vlan_dev_open+0x1f9/0x330 [<000000002259f4c3>] __dev_open+0x175/0x260 [<00000000e55bd93b>] __dev_change_flags+0x2fd/0x390 [<00000000eca8942d>] rtnl_configure_link+0x64/0x130 [<000000003888db29>] __rtnl_newlink+0xa84/0xd80 [<00000000e05f69d3>] rtnl_newlink+0x49/0x70 [<00000000c8d44ec8>] rtnetlink_rcv_msg+0x1fc/0x520 [<000000001764f2a8>] netlink_rcv_skb+0x87/0x1d0 [<0000000054953dd7>] netlink_unicast+0x392/0x4c0 [<000000004ad31b02>] netlink_sendmsg+0x368/0x6a0 [<0000000071130cec>] sock_sendmsg+0x56/0x80 [<000000002124d621>] ____sys_sendmsg+0x36c/0x390 [<00000000a31438a2>] ___sys_sendmsg+0x8b/0xd0 [<0000000072c52726>] __sys_sendmsg+0x88/0x100 BUG: memory leak unreferenced object 0xffff888114099f80 (size 64): comm "syz-executor384", pid 8670, jiffies 4294942234 (age 14.160s) 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: [<000000003704402f>] mrp_request_join+0x153/0x260 [<00000000cffa6f38>] vlan_mvrp_request_join+0x96/0xa0 [<00000000ba6cccbf>] vlan_dev_open+0x1e7/0x330 [<000000002259f4c3>] __dev_open+0x175/0x260 [<00000000e55bd93b>] __dev_change_flags+0x2fd/0x390 [<00000000eca8942d>] rtnl_configure_link+0x64/0x130 [<000000003888db29>] __rtnl_newlink+0xa84/0xd80 [<00000000e05f69d3>] rtnl_newlink+0x49/0x70 [<00000000c8d44ec8>] rtnetlink_rcv_msg+0x1fc/0x520 [<000000001764f2a8>] netlink_rcv_skb+0x87/0x1d0 [<0000000054953dd7>] netlink_unicast+0x392/0x4c0 [<000000004ad31b02>] netlink_sendmsg+0x368/0x6a0 [<0000000071130cec>] sock_sendmsg+0x56/0x80 [<000000002124d621>] ____sys_sendmsg+0x36c/0x390 [<00000000a31438a2>] ___sys_sendmsg+0x8b/0xd0 [<0000000072c52726>] __sys_sendmsg+0x88/0x100