[ 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 '10.128.0.110' (ECDSA) to the list of known hosts. 2021/06/06 13:38:02 parsed 1 programs 2021/06/06 13:38:09 executed programs: 0 syzkaller login: [ 1075.081046][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 1075.100719][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 1075.108878][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 1075.116556][ T8444] device bridge_slave_0 entered promiscuous mode [ 1075.124706][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 1075.134169][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 1075.141728][ T8444] device bridge_slave_1 entered promiscuous mode [ 1075.152403][ T8444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1075.162809][ T8444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1075.176621][ T8444] team0: Port device team_slave_0 added [ 1075.183030][ T8444] team0: Port device team_slave_1 added [ 1075.192144][ T8444] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1075.199831][ T8444] 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. [ 1075.225842][ T8444] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1075.237430][ T8444] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1075.245198][ T8444] 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. [ 1075.272202][ T8444] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1075.289497][ T8444] device hsr_slave_0 entered promiscuous mode [ 1075.295842][ T8444] device hsr_slave_1 entered promiscuous mode [ 1075.324103][ T8444] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1075.332195][ T8444] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1075.343830][ T8444] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1075.351451][ T8444] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1075.364760][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 1075.372032][ T8444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1075.379510][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 1075.386772][ T8444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1075.405239][ T8444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1075.414804][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1075.422442][ T8665] bridge0: port 1(bridge_slave_0) entered disabled state [ 1075.430763][ T8665] bridge0: port 2(bridge_slave_1) entered disabled state [ 1075.438426][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1075.447989][ T8444] 8021q: adding VLAN 0 to HW filter on device team0 [ 1075.456410][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1075.464915][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 1075.471954][ T8418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1075.481539][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1075.490108][ T8666] bridge0: port 2(bridge_slave_1) entered blocking state [ 1075.497174][ T8666] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1075.508214][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1075.516891][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1075.528680][ T8444] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1075.539535][ T8444] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1075.551045][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1075.559651][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1075.568104][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1075.576453][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1075.588618][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1075.596011][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1075.604823][ T8444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1075.616413][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1075.631089][ T8444] device veth0_vlan entered promiscuous mode [ 1075.637670][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1075.645990][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1075.653361][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1075.662928][ T8444] device veth1_vlan entered promiscuous mode [ 1075.675561][ T8444] device veth0_macvtap entered promiscuous mode [ 1075.683255][ T8444] device veth1_macvtap entered promiscuous mode [ 1075.690370][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1075.698400][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1075.706497][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1075.714817][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1075.726431][ T8444] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1075.733981][ T8655] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1075.744347][ T8444] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1075.752055][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1075.761725][ T8444] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1075.770864][ T8444] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1075.779966][ T8444] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1075.788931][ T8444] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1075.810956][ T8450] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1075.823881][ T8450] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1075.831346][ T8655] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1075.841316][ T24] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1075.849370][ T24] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1075.856961][ T8655] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1075.877622][ T8687] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1077.093656][ T8655] Bluetooth: hci0: command 0x0409 tx timeout [ 1079.173343][ T8655] Bluetooth: hci0: command 0x041b tx timeout [ 1081.253176][ T35] Bluetooth: hci0: command 0x040f tx timeout 2021/06/06 13:38:17 executed programs: 1 [ 1081.403829][ T8693] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1081.426556][ T8694] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1082.556565][ T8695] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1083.332807][ T35] Bluetooth: hci0: command 0x0419 tx timeout BUG: memory leak unreferenced object 0xffff888119dada00 (size 32): comm "syz-executor.0", pid 8687, jiffies 4295044862 (age 13.050s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 ................ backtrace: [] ip_mc_add_src+0x348/0x450 [] ip_mc_source+0x3d4/0x610 [] ip_setsockopt+0x15d8/0x1ff0 [] tcp_setsockopt+0x70/0x1420 [] __sys_setsockopt+0x1b0/0x360 [] __x64_sys_setsockopt+0x22/0x30 [] do_syscall_64+0x3a/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae