[ 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 '10.128.0.146' (ECDSA) to the list of known hosts. 2021/05/18 12:06:09 parsed 1 programs 2021/05/18 12:06:16 executed programs: 0 syzkaller login: [ 1078.456581][ T8437] chnl_net:caif_netlink_parms(): no params data found [ 1078.475442][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.486738][ T8437] bridge0: port 1(bridge_slave_0) entered disabled state [ 1078.494387][ T8437] device bridge_slave_0 entered promiscuous mode [ 1078.501646][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.509248][ T8437] bridge0: port 2(bridge_slave_1) entered disabled state [ 1078.516467][ T8437] device bridge_slave_1 entered promiscuous mode [ 1078.526630][ T8437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1078.536163][ T8437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1078.548733][ T8437] team0: Port device team_slave_0 added [ 1078.554747][ T8437] team0: Port device team_slave_1 added [ 1078.563732][ T8437] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1078.570778][ T8437] 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. [ 1078.597414][ T8437] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1078.608502][ T8437] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1078.615519][ T8437] 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. [ 1078.641795][ T8437] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1078.657080][ T8437] device hsr_slave_0 entered promiscuous mode [ 1078.663542][ T8437] device hsr_slave_1 entered promiscuous mode [ 1078.691192][ T8437] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1078.698763][ T8437] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1078.706104][ T8437] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1078.713728][ T8437] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1078.724393][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.731427][ T8437] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1078.738738][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.745939][ T8437] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1078.764287][ T8437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1078.772965][ T4553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1078.781194][ T4553] bridge0: port 1(bridge_slave_0) entered disabled state [ 1078.788944][ T4553] bridge0: port 2(bridge_slave_1) entered disabled state [ 1078.796280][ T4553] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1078.805154][ T8437] 8021q: adding VLAN 0 to HW filter on device team0 [ 1078.813193][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1078.821517][ T4860] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.828569][ T4860] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1078.837202][ T3795] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1078.845290][ T3795] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.852409][ T3795] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1078.862990][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1078.871165][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1078.880115][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1078.891114][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1078.899281][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1078.907524][ T8437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1078.919850][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1078.927431][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1078.935216][ T8437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1078.945676][ T3795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1078.957562][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1078.965640][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1078.973389][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1078.981885][ T8437] device veth0_vlan entered promiscuous mode [ 1078.989805][ T8437] device veth1_vlan entered promiscuous mode [ 1079.000689][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1079.008386][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1079.016297][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1079.025468][ T8437] device veth0_macvtap entered promiscuous mode [ 1079.032817][ T8437] device veth1_macvtap entered promiscuous mode [ 1079.042605][ T8437] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1079.050087][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1079.058717][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1079.067401][ T8437] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1079.074771][ T3795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1079.083968][ T8437] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1079.092920][ T8437] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1079.102886][ T8437] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1079.112737][ T8437] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1079.137667][ T2969] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1079.145487][ T2969] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1079.154561][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1079.164380][ T8681] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1079.172522][ T8681] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1079.180030][ T3795] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1079.194339][ T8682] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1080.467164][ T8658] Bluetooth: hci0: command 0x0409 tx timeout [ 1082.546764][ T8658] Bluetooth: hci0: command 0x041b tx timeout 2021/05/18 12:06:23 executed programs: 1 [ 1084.477869][ T8693] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1084.540094][ T8698] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1084.626541][ T4553] Bluetooth: hci0: command 0x040f tx timeout [ 1085.635726][ T8705] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1086.706314][ T4553] Bluetooth: hci0: command 0x0419 tx timeout [ 1091.786607][ T8705] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118ed31c0 (size 64): comm "syz-executor.0", pid 8682, jiffies 4295045201 (age 12.650s) 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: [] garp_request_join+0x138/0x220 [] vlan_gvrp_request_join+0x96/0xa0 [] vlan_dev_open+0x1f9/0x330 [] __dev_open+0x175/0x260 [] __dev_change_flags+0x2fa/0x390 [] rtnl_configure_link+0x64/0x130 [] __rtnl_newlink+0xa74/0xdb0 [] rtnl_newlink+0x49/0x70 [] rtnetlink_rcv_msg+0x1fc/0x520 [] netlink_rcv_skb+0x87/0x1d0 [] netlink_unicast+0x392/0x4c0 [] netlink_sendmsg+0x368/0x6a0 [] sock_sendmsg+0x56/0x80 [] ____sys_sendmsg+0x36c/0x390 [] ___sys_sendmsg+0x8b/0xd0 [] __sys_sendmsg+0x88/0x100 BUG: memory leak unreferenced object 0xffff888118ed3180 (size 64): comm "syz-executor.0", pid 8682, jiffies 4295045201 (age 12.650s) 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: [] mrp_request_join+0x153/0x260 [] vlan_mvrp_request_join+0x96/0xa0 [] vlan_dev_open+0x1e7/0x330 [] __dev_open+0x175/0x260 [] __dev_change_flags+0x2fa/0x390 [] rtnl_configure_link+0x64/0x130 [] __rtnl_newlink+0xa74/0xdb0 [] rtnl_newlink+0x49/0x70 [] rtnetlink_rcv_msg+0x1fc/0x520 [] netlink_rcv_skb+0x87/0x1d0 [] netlink_unicast+0x392/0x4c0 [] netlink_sendmsg+0x368/0x6a0 [] sock_sendmsg+0x56/0x80 [] ____sys_sendmsg+0x36c/0x390 [] ___sys_sendmsg+0x8b/0xd0 [] __sys_sendmsg+0x88/0x100 BUG: memory leak unreferenced object 0xffff888116a98c00 (size 64): comm "syz-executor.0", pid 8693, jiffies 4295045730 (age 7.360s) 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: [] garp_request_join+0x138/0x220 [] vlan_gvrp_request_join+0x96/0xa0 [] vlan_dev_open+0x1f9/0x330 [] __dev_open+0x175/0x260 [] __dev_change_flags+0x2fa/0x390 [] rtnl_configure_link+0x64/0x130 [] __rtnl_newlink+0xa74/0xdb0 [] rtnl_newlink+0x49/0x70 [] rtnetlink_rcv_msg+0x1fc/0x520 [] netlink_rcv_skb+0x87/0x1d0 [] netlink_unicast+0x392/0x4c0 [] netlink_sendmsg+0x368/0x6a0 [] sock_sendmsg+0x56/0x80 [] ____sys_sendmsg+0x36c/0x390 [] ___sys_sendmsg+0x8b/0xd0 [] __sys_sendmsg+0x88/0x100