[ 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 '10.128.0.208' (ECDSA) to the list of known hosts. 2021/05/21 07:27:12 parsed 1 programs 2021/05/21 07:27:19 executed programs: 0 syzkaller login: [ 1074.016571][ T8451] chnl_net:caif_netlink_parms(): no params data found [ 1074.041365][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 1074.053069][ T8451] bridge0: port 1(bridge_slave_0) entered disabled state [ 1074.060568][ T8451] device bridge_slave_0 entered promiscuous mode [ 1074.068074][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 1074.075710][ T8451] bridge0: port 2(bridge_slave_1) entered disabled state [ 1074.083943][ T8451] device bridge_slave_1 entered promiscuous mode [ 1074.095104][ T8451] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1074.104865][ T8451] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1074.118254][ T8451] team0: Port device team_slave_0 added [ 1074.124819][ T8451] team0: Port device team_slave_1 added [ 1074.134720][ T8451] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1074.141824][ T8451] 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. [ 1074.168468][ T8451] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1074.179817][ T8451] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1074.187241][ T8451] 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. [ 1074.213798][ T8451] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1074.229595][ T8451] device hsr_slave_0 entered promiscuous mode [ 1074.236040][ T8451] device hsr_slave_1 entered promiscuous mode [ 1074.265392][ T8451] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1074.273333][ T8451] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1074.281153][ T8451] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1074.289679][ T8451] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1074.301672][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 1074.308797][ T8451] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1074.316091][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 1074.323260][ T8451] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1074.342383][ T8451] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1074.352054][ T8591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1074.360234][ T8591] bridge0: port 1(bridge_slave_0) entered disabled state [ 1074.368461][ T8591] bridge0: port 2(bridge_slave_1) entered disabled state [ 1074.376427][ T8591] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1074.385733][ T8451] 8021q: adding VLAN 0 to HW filter on device team0 [ 1074.394447][ T8591] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1074.403585][ T8591] bridge0: port 1(bridge_slave_0) entered blocking state [ 1074.410857][ T8591] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1074.426933][ T8451] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1074.437538][ T8451] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1074.449749][ T8671] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1074.458302][ T8671] bridge0: port 2(bridge_slave_1) entered blocking state [ 1074.465442][ T8671] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1074.473658][ T8671] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1074.481909][ T8671] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1074.490111][ T8671] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1074.498456][ T8671] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1074.506930][ T8671] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1074.514544][ T8671] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1074.525761][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1074.533229][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1074.542647][ T8451] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1074.554816][ T8591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1074.567937][ T8451] device veth0_vlan entered promiscuous mode [ 1074.574338][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1074.582315][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1074.590329][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1074.600191][ T8451] device veth1_vlan entered promiscuous mode [ 1074.612231][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1074.620787][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1074.629048][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1074.639012][ T8451] device veth0_macvtap entered promiscuous mode [ 1074.647310][ T8451] device veth1_macvtap entered promiscuous mode [ 1074.657847][ T8451] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1074.665472][ T8591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1074.674482][ T8591] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1074.684371][ T8451] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1074.692029][ T8671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1074.702034][ T8451] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1074.711459][ T8451] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1074.720348][ T8451] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1074.729115][ T8451] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1074.766423][ T134] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1074.774596][ T134] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1074.790521][ T8591] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1074.791049][ T449] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1074.806463][ T449] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1074.813999][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1074.840736][ T8694] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1076.023037][ T8671] Bluetooth: hci0: command 0x0409 tx timeout [ 1078.102682][ T8671] Bluetooth: hci0: command 0x041b tx timeout [ 1080.182848][ T35] Bluetooth: hci0: command 0x040f tx timeout 2021/05/21 07:27:27 executed programs: 1 [ 1080.745626][ T8705] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1080.821038][ T8710] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1082.204435][ T8717] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1082.262125][ T8672] Bluetooth: hci0: command 0x0419 tx timeout BUG: memory leak unreferenced object 0xffff888118e00e40 (size 64): comm "syz-executor.0", pid 8694, jiffies 4295044754 (age 14.190s) 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 0xffff888118e002c0 (size 64): comm "syz-executor.0", pid 8694, jiffies 4295044754 (age 14.190s) 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