[ 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 '10.128.0.91' (ECDSA) to the list of known hosts. 2021/07/25 14:01:02 parsed 1 programs 2021/07/25 14:01:09 executed programs: 0 syzkaller login: [ 1078.112446][ T8446] chnl_net:caif_netlink_parms(): no params data found [ 1078.130764][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.138227][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 1078.146341][ T8446] device bridge_slave_0 entered promiscuous mode [ 1078.153808][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.161051][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state [ 1078.168633][ T8446] device bridge_slave_1 entered promiscuous mode [ 1078.179895][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1078.190876][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1078.206214][ T8446] team0: Port device team_slave_0 added [ 1078.213015][ T8446] team0: Port device team_slave_1 added [ 1078.223283][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1078.230651][ T8446] 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. [ 1078.259094][ T8446] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1078.271853][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1078.279320][ T8446] 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. [ 1078.306051][ T8446] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1078.322218][ T8446] device hsr_slave_0 entered promiscuous mode [ 1078.328863][ T8446] device hsr_slave_1 entered promiscuous mode [ 1078.358291][ T8446] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1078.366984][ T8446] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1078.375249][ T8446] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1078.383241][ T8446] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1078.395083][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.402359][ T8446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1078.409886][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.417341][ T8446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1078.436482][ T8446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1078.445616][ T8421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1078.454361][ T8421] bridge0: port 1(bridge_slave_0) entered disabled state [ 1078.462382][ T8421] bridge0: port 2(bridge_slave_1) entered disabled state [ 1078.470130][ T8421] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1078.479417][ T8446] 8021q: adding VLAN 0 to HW filter on device team0 [ 1078.488585][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1078.497215][ T8657] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.505315][ T8657] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1078.514789][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1078.523457][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.530617][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1078.542532][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1078.551041][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1078.560342][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1078.570469][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1078.580592][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1078.589503][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1078.600547][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1078.608492][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1078.618659][ T8446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1078.631147][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1078.645548][ T8446] device veth0_vlan entered promiscuous mode [ 1078.652206][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1078.661279][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1078.668858][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1078.678833][ T8446] device veth1_vlan entered promiscuous mode [ 1078.690461][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1078.699645][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1078.708017][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1078.717874][ T8446] device veth0_macvtap entered promiscuous mode [ 1078.727048][ T8446] device veth1_macvtap entered promiscuous mode [ 1078.737905][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1078.745530][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1078.754273][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1078.763663][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1078.771571][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1078.782406][ T8446] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1078.791830][ T8446] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1078.801371][ T8446] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1078.810792][ T8446] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1078.840844][ T8466] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1078.848850][ T8466] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1078.863519][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1078.873161][ T3073] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1078.881989][ T3073] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1078.889790][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1078.907350][ T8689] syz-executor.0 uses obsolete (PF_INET,SOCK_PACKET) [ 1080.110323][ T8657] Bluetooth: hci0: command 0x0409 tx timeout [ 1082.190075][ T8657] Bluetooth: hci0: command 0x041b tx timeout [ 1084.269773][ T4826] Bluetooth: hci0: command 0x040f tx timeout 2021/07/25 14:01:17 executed programs: 1 [ 1086.349636][ T4826] Bluetooth: hci0: command 0x0419 tx timeout 2021/07/25 14:01:22 executed programs: 3 2021/07/25 14:01:28 executed programs: 5 2021/07/25 14:01:33 executed programs: 7 2021/07/25 14:01:39 executed programs: 9 2021/07/25 14:01:44 executed programs: 11 [ 1114.267665][ T3266] ieee802154 phy0 wpan0: encryption failed: -22 [ 1114.274082][ T3266] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/25 14:01:50 executed programs: 13 [ 1118.310318][ T8803] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810f166a00 (size 232): comm "sshd", pid 8395, jiffies 4294940653 (age 1090.990s) hex dump (first 32 bytes): a0 84 3b 15 81 88 ff ff a0 84 3b 15 81 88 ff ff ..;.......;..... 00 40 ee 15 81 88 ff ff 00 00 00 00 00 00 00 00 .@.............. backtrace: [] __alloc_skb+0x20f/0x280 [] __tcp_send_ack.part.0+0x3a/0x1e0 [] tcp_send_ack+0x32/0x40 [] tcp_cleanup_rbuf+0x1cc/0x220 [] tcp_recvmsg_locked+0x409/0x1010 [] tcp_recvmsg+0xa8/0x310 [] inet_recvmsg+0x84/0x190 [] sock_read_iter+0x15f/0x1b0 [] new_sync_read+0x2ae/0x2f0 [] vfs_read+0x1bb/0x290 [] ksys_read+0x12b/0x160 [] do_syscall_64+0x35/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae