[ OK ] Reached target Login Prompts. [ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.6' (ECDSA) to the list of known hosts. syzkaller login: [ 122.525658][ T8458] IPVS: ftp: loaded support on port[0] = 21 [ 122.551435][ T8458] chnl_net:caif_netlink_parms(): no params data found [ 122.569763][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 122.576793][ T8458] bridge0: port 1(bridge_slave_0) entered disabled state [ 122.584259][ T8458] device bridge_slave_0 entered promiscuous mode [ 122.591201][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 122.598655][ T8458] bridge0: port 2(bridge_slave_1) entered disabled state [ 122.606425][ T8458] device bridge_slave_1 entered promiscuous mode [ 122.617112][ T8458] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 122.626862][ T8458] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 122.639664][ T8458] team0: Port device team_slave_0 added [ 122.645686][ T8458] team0: Port device team_slave_1 added [ 122.654712][ T8458] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 122.661701][ T8458] 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. [ 122.687612][ T8458] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 122.698669][ T8458] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 122.705618][ T8458] 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. [ 122.731484][ T8458] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 122.746591][ T8458] device hsr_slave_0 entered promiscuous mode [ 122.752868][ T8458] device hsr_slave_1 entered promiscuous mode [ 122.780298][ T8458] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 122.788080][ T8458] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 122.795814][ T8458] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 122.803187][ T8458] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 122.815257][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 122.822295][ T8458] bridge0: port 2(bridge_slave_1) entered forwarding state [ 122.829530][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 122.836546][ T8458] bridge0: port 1(bridge_slave_0) entered forwarding state [ 122.854925][ T8458] 8021q: adding VLAN 0 to HW filter on device bond0 [ 122.863828][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.871858][ T3722] bridge0: port 1(bridge_slave_0) entered disabled state [ 122.879087][ T3722] bridge0: port 2(bridge_slave_1) entered disabled state [ 122.886826][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 122.895799][ T8458] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.903911][ T3854] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 122.912231][ T3854] bridge0: port 1(bridge_slave_0) entered blocking state [ 122.919275][ T3854] bridge0: port 1(bridge_slave_0) entered forwarding state [ 122.927799][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 122.936109][ T3722] bridge0: port 2(bridge_slave_1) entered blocking state [ 122.943139][ T3722] bridge0: port 2(bridge_slave_1) entered forwarding state [ 122.957807][ T8458] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 122.968212][ T8458] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 122.979437][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 122.987557][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 122.996103][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 123.004144][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 123.012126][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 123.019486][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 123.032316][ T8458] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 123.039368][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 123.046691][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 123.058716][ T3854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 123.071077][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 123.079473][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 123.086826][ T3722] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 123.095163][ T8458] device veth0_vlan entered promiscuous mode [ 123.103429][ T8458] device veth1_vlan entered promiscuous mode [ 123.114822][ T3854] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 123.122601][ T3854] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 123.130484][ T3854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 123.139568][ T8458] device veth0_macvtap entered promiscuous mode [ 123.147036][ T8458] device veth1_macvtap entered promiscuous mode [ 123.157234][ T8458] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 123.164621][ T3854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 123.173177][ T3854] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 123.182380][ T8458] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 123.189736][ T3854] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 123.198825][ T8458] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.207518][ T8458] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.216989][ T8458] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 123.225763][ T8458] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program [ 144.211352][ T8690] device bridge_slave_1 left promiscuous mode [ 144.217468][ T8690] bridge0: port 2(bridge_slave_1) entered disabled state [ 144.224883][ T8690] device bridge_slave_0 left promiscuous mode [ 144.231103][ T8690] bridge0: port 1(bridge_slave_0) entered disabled state executing program [ 149.533639][ T8698] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 149.545604][ T8698] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 149.557538][ T8698] bond0 (unregistering): Released all slaves executing program [ 155.809774][ T8458] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 161.927499][ T8458] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888113ec9b80 (size 64): comm "syz-executor404", pid 8698, jiffies 4294952225 (age 12.470s) 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 04 ................ backtrace: [<00000000a180c6cf>] mrp_request_join+0x153/0x260 [<00000000e1aaaca9>] vlan_mvrp_request_join+0x96/0xa0 [<00000000b9c11400>] vlan_dev_open+0x1e7/0x330 [<00000000ad1fb8ca>] __dev_open+0x175/0x260 [<00000000f85f6695>] __dev_change_flags+0x2fd/0x390 [<000000001e904b56>] rtnl_configure_link+0x64/0x130 [<000000008842140f>] __rtnl_newlink+0xa84/0xd80 [<0000000099602b1f>] rtnl_newlink+0x49/0x70 [<0000000031b79252>] rtnetlink_rcv_msg+0x1fc/0x520 [<0000000048450792>] netlink_rcv_skb+0x87/0x1d0 [<000000007f79c612>] netlink_unicast+0x392/0x4c0 [<00000000cd518636>] netlink_sendmsg+0x368/0x6a0 [<00000000cb48d53f>] sock_sendmsg+0x56/0x80 [<00000000f9af9362>] ____sys_sendmsg+0x36c/0x390 [<000000005679cb18>] ___sys_sendmsg+0x8b/0xd0 [<000000007c7d3194>] __sys_sendmsg+0x88/0x100 BUG: memory leak unreferenced object 0xffff888111165780 (size 64): comm "syz-executor404", pid 8736, jiffies 4294952746 (age 7.260s) 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 04 ................ backtrace: [<00000000a180c6cf>] mrp_request_join+0x153/0x260 [<00000000e1aaaca9>] vlan_mvrp_request_join+0x96/0xa0 [<00000000b9c11400>] vlan_dev_open+0x1e7/0x330 [<00000000ad1fb8ca>] __dev_open+0x175/0x260 [<00000000f85f6695>] __dev_change_flags+0x2fd/0x390 [<000000001e904b56>] rtnl_configure_link+0x64/0x130 [<000000008842140f>] __rtnl_newlink+0xa84/0xd80 [<0000000099602b1f>] rtnl_newlink+0x49/0x70 [<0000000031b79252>] rtnetlink_rcv_msg+0x1fc/0x520 [<0000000048450792>] netlink_rcv_skb+0x87/0x1d0 [<000000007f79c612>] netlink_unicast+0x392/0x4c0 [<00000000cd518636>] netlink_sendmsg+0x368/0x6a0 [<00000000cb48d53f>] sock_sendmsg+0x56/0x80 [<00000000f9af9362>] ____sys_sendmsg+0x36c/0x390 [<000000005679cb18>] ___sys_sendmsg+0x8b/0xd0 [<000000007c7d3194>] __sys_sendmsg+0x88/0x100