[ 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 '10.128.1.9' (ECDSA) to the list of known hosts. syzkaller login: [ 49.244703][ T8443] IPVS: ftp: loaded support on port[0] = 21 [ 49.270059][ T8443] chnl_net:caif_netlink_parms(): no params data found [ 49.288190][ T8443] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.296050][ T8443] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.304215][ T8443] device bridge_slave_0 entered promiscuous mode [ 49.311037][ T8443] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.318441][ T8443] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.326340][ T8443] device bridge_slave_1 entered promiscuous mode [ 49.337325][ T8443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.347124][ T8443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.359567][ T8443] team0: Port device team_slave_0 added [ 49.365973][ T8443] team0: Port device team_slave_1 added [ 49.374946][ T8443] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.381961][ T8443] 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. [ 49.408239][ T8443] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.419513][ T8443] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.426694][ T8443] 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. [ 49.452792][ T8443] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.469625][ T8443] device hsr_slave_0 entered promiscuous mode [ 49.476107][ T8443] device hsr_slave_1 entered promiscuous mode [ 49.503537][ T8443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.511462][ T8443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.519502][ T8443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.526999][ T8443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.538607][ T8443] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.545705][ T8443] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.552955][ T8443] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.559951][ T8443] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.579869][ T8443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.588609][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.596398][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.603915][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.611293][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.620408][ T8443] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.628453][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.636808][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.643839][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.652505][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.660621][ T3913] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.667644][ T3913] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.682442][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.690540][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.699183][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.707707][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.715863][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.724388][ T8443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.735368][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.742762][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.751888][ T8443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.763076][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.775952][ T8443] device veth0_vlan entered promiscuous mode [ 49.782242][ T4898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.790304][ T4898] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.798408][ T4898] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.807771][ T8443] device veth1_vlan entered promiscuous mode [ 49.819299][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.827211][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.835114][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.844472][ T8443] device veth0_macvtap entered promiscuous mode [ 49.852142][ T8443] device veth1_macvtap entered promiscuous mode [ 49.862418][ T8443] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.869617][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.878458][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.887403][ T8443] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.894835][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 49.903926][ T8443] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.912656][ T8443] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.921406][ T8443] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.930098][ T8443] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.950823][ T8649] netlink: 'syz-executor595': attribute type 4 has an invalid length. executing program [ 55.152318][ T8650] netlink: 'syz-executor595': attribute type 4 has an invalid length. [ 56.172125][ T8443] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888113dc09e0 (size 32): comm "syz-executor595", pid 8649, jiffies 4294942262 (age 12.430s) 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: [<00000000bcfb4d3f>] ip_mc_add_src+0x348/0x450 [<00000000cab90688>] ip_mc_source+0x3d4/0x610 [<0000000060bfaff7>] ip_setsockopt+0x15d8/0x1f70 [<000000001b4e1313>] tcp_setsockopt+0x70/0x13f0 [<000000001df7ff0a>] __sys_setsockopt+0x1b0/0x360 [<00000000f5d42b82>] __x64_sys_setsockopt+0x22/0x30 [<00000000a531df20>] do_syscall_64+0x2d/0x70 [<00000000cec9f9b0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9