[ 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 '10.128.0.116' (ECDSA) to the list of known hosts. 2020/12/21 15:06:51 parsed 1 programs 2020/12/21 15:06:58 executed programs: 0 syzkaller login: [ 199.888327][ T8495] IPVS: ftp: loaded support on port[0] = 21 [ 199.962309][ T8495] chnl_net:caif_netlink_parms(): no params data found [ 199.980276][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.987343][ T8495] bridge0: port 1(bridge_slave_0) entered disabled state [ 199.995216][ T8495] device bridge_slave_0 entered promiscuous mode [ 200.002286][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.009334][ T8495] bridge0: port 2(bridge_slave_1) entered disabled state [ 200.016683][ T8495] device bridge_slave_1 entered promiscuous mode [ 200.026967][ T8495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 200.036766][ T8495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 200.050028][ T8495] team0: Port device team_slave_0 added [ 200.056265][ T8495] team0: Port device team_slave_1 added [ 200.065198][ T8495] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 200.072155][ T8495] 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. [ 200.098047][ T8495] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 200.109141][ T8495] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 200.116091][ T8495] 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. [ 200.141980][ T8495] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 200.157175][ T8495] device hsr_slave_0 entered promiscuous mode [ 200.163510][ T8495] device hsr_slave_1 entered promiscuous mode [ 200.196808][ T8495] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 200.204217][ T8495] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 200.211518][ T8495] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 200.219231][ T8495] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 200.233367][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.240384][ T8495] bridge0: port 2(bridge_slave_1) entered forwarding state [ 200.247629][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.254706][ T8495] bridge0: port 1(bridge_slave_0) entered forwarding state [ 200.273931][ T8495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 200.283116][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 200.290753][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 200.298953][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 200.306503][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 200.315257][ T8495] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.323545][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 200.331844][ T3756] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.338868][ T3756] bridge0: port 1(bridge_slave_0) entered forwarding state [ 200.347510][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 200.355886][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.362914][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 200.378255][ T8495] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 200.388656][ T8495] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 200.400189][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 200.408449][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 200.417028][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 200.425039][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 200.433001][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 200.440284][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 200.453224][ T8495] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 200.461916][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 200.469227][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 200.480786][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 200.494176][ T8495] device veth0_vlan entered promiscuous mode [ 200.501907][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 200.509812][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 200.517403][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 200.525472][ T8495] device veth1_vlan entered promiscuous mode [ 200.537975][ T8495] device veth0_macvtap entered promiscuous mode [ 200.544649][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 200.552903][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 200.560553][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 200.568799][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 200.577492][ T8495] device veth1_macvtap entered promiscuous mode [ 200.587775][ T8495] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 200.595073][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 200.605029][ T8495] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 200.612630][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 200.621928][ T8495] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 200.630616][ T8495] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 200.639393][ T8495] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 200.648212][ T8495] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 200.676307][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 200.691691][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 200.700326][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 200.710784][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 200.718657][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 200.726139][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 201.951869][ T3241] Bluetooth: hci0: command 0x0409 tx timeout [ 204.031751][ T3241] Bluetooth: hci0: command 0x041b tx timeout [ 206.111898][ T3241] Bluetooth: hci0: command 0x040f tx timeout 2020/12/21 15:07:06 executed programs: 1 [ 208.201728][ T3241] Bluetooth: hci0: command 0x0419 tx timeout 2020/12/21 15:07:12 executed programs: 3 2020/12/21 15:07:18 executed programs: 5 2020/12/21 15:07:25 executed programs: 7 [ 231.154923][ T8798] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888115cbe900 (size 64): comm "syz-executor.0", pid 8789, jiffies 4294959777 (age 8.080s) 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: [<00000000531494e7>] mrp_request_join+0x153/0x260 [<0000000077026300>] vlan_mvrp_request_join+0x96/0xa0 [<0000000039fd74dd>] vlan_dev_open+0x1e7/0x330 [<00000000800d3abc>] __dev_open+0x175/0x260 [<00000000897b3f64>] __dev_change_flags+0x2fd/0x390 [<000000009fb186fa>] rtnl_configure_link+0x64/0x130 [<0000000017876a30>] __rtnl_newlink+0xa7e/0xdc0 [<00000000fb479e51>] rtnl_newlink+0x49/0x70 [<0000000001193561>] rtnetlink_rcv_msg+0x1fc/0x520 [<00000000b062dc03>] netlink_rcv_skb+0x87/0x1d0 [<000000003bd48fa5>] netlink_unicast+0x392/0x4c0 [<00000000b054dc79>] netlink_sendmsg+0x368/0x6a0 [<0000000090a62ba4>] sock_sendmsg+0x56/0x80 [<000000009b6f1834>] ____sys_sendmsg+0x36c/0x390 [<000000004d5977e1>] ___sys_sendmsg+0x8b/0xd0 [<0000000021e17ee0>] __sys_sendmsg+0x88/0x100