Starting Permit User Sessions... Starting getty on tty2-tty6 if dbus and logind are not available... [ OK ] Found device /dev/ttyS0. [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ **] A start job is running for OpenBSD …Shell server (1min 27s / 2min 46s) [ ***] A start job is running for OpenBSD …Shell server (1min 28s / 2min 46s) [ *** ] A start job is running for OpenBSD …Shell server (1min 30s / 2min 59s) [ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.112' (ECDSA) to the list of known hosts. syzkaller login: [ 147.427334][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 147.617073][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 147.714766][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.722133][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 147.730769][ T8480] device bridge_slave_0 entered promiscuous mode [ 147.745098][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.752493][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 147.760951][ T8480] device bridge_slave_1 entered promiscuous mode [ 147.802650][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 147.817530][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 147.857282][ T8480] team0: Port device team_slave_0 added [ 147.867976][ T8480] team0: Port device team_slave_1 added [ 147.904698][ T8480] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 147.911890][ T8480] 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. [ 147.939825][ T8480] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 147.954047][ T8480] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 147.961346][ T8480] 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. [ 147.987611][ T8480] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 148.032907][ T8480] device hsr_slave_0 entered promiscuous mode [ 148.040796][ T8480] device hsr_slave_1 entered promiscuous mode [ 148.245678][ T8480] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 148.258944][ T8480] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 148.276756][ T8480] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 148.293612][ T8480] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 148.395096][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.402362][ T8480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.410022][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.417441][ T8480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.520141][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 148.547901][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 148.558866][ T4601] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.570140][ T4601] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.587723][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 148.624991][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 148.675665][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 148.685886][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 148.695675][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.703039][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.767535][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 148.777814][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 148.787580][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.795003][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.804296][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 148.814498][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 148.838165][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 148.849180][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 148.861455][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 148.876409][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 148.887201][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 148.911196][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 148.920360][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 148.939333][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 148.948853][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 148.969403][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 149.008356][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 149.017552][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 149.044351][ T8480] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 149.089410][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 149.100136][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.141478][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 149.150530][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.169261][ T8480] device veth0_vlan entered promiscuous mode [ 149.178541][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 149.189005][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 149.216729][ T8480] device veth1_vlan entered promiscuous mode [ 149.269187][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 149.279200][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 149.289124][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 149.299452][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 149.320738][ T8480] device veth0_macvtap entered promiscuous mode [ 149.342041][ T8480] device veth1_macvtap entered promiscuous mode [ 149.388851][ T8480] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 149.396665][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 149.407382][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 149.416594][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 149.426934][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 149.448826][ T8480] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 149.457019][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 149.467453][ T4601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 149.646157][ T8480] ===================================================== [ 149.653167][ T8480] BUG: KMSAN: uninit-value in udp_tunnel6_xmit_skb+0xc69/0xf80 [ 149.660858][ T8480] CPU: 0 PID: 8480 Comm: syz-executor595 Not tainted 5.8.0-rc5-syzkaller #0 [ 149.669566][ T8480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.679634][ T8480] Call Trace: [ 149.682926][ T8480] dump_stack+0x21c/0x280 [ 149.687270][ T8480] kmsan_report+0xf7/0x1e0 [ 149.691732][ T8480] __msan_warning+0x58/0xa0 [ 149.696255][ T8480] udp_tunnel6_xmit_skb+0xc69/0xf80 [ 149.701475][ T8480] geneve_xmit+0x2b5d/0x3200 [ 149.706223][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 149.711456][ T8480] ? geneve_stop+0x400/0x400 [ 149.716042][ T8480] xmit_one+0x3cf/0x750 [ 149.720192][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 149.725409][ T8480] __dev_queue_xmit+0x3aad/0x4470 [ 149.730456][ T8480] dev_queue_xmit+0x4b/0x60 [ 149.734954][ T8480] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.740262][ T8480] packet_sendmsg+0x8542/0x9a80 [ 149.745128][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 149.750321][ T8480] ? kmsan_internal_set_origin+0x75/0xb0 [ 149.755967][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 149.761181][ T8480] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 149.766982][ T8480] ? cpu_partial_store+0xe0/0x260 [ 149.772018][ T8480] ? aa_sk_perm+0x7da/0xe70 [ 149.776571][ T8480] ____sys_sendmsg+0xc82/0x1240 [ 149.781554][ T8480] ? compat_packet_setsockopt+0x3c0/0x3c0 [ 149.787288][ T8480] __sys_sendmmsg+0xa05/0xf70 [ 149.792001][ T8480] ? alloc_file_pseudo+0x4a7/0x4e0 [ 149.797109][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 149.802309][ T8480] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 149.808129][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 149.813330][ T8480] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 149.819141][ T8480] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 149.825327][ T8480] ? fd_install+0x16e/0x3f0 [ 149.829829][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 149.835038][ T8480] ? __prepare_exit_to_usermode+0x16c/0x560 [ 149.843282][ T8480] __se_sys_sendmmsg+0xbd/0xe0 [ 149.849391][ T8480] __x64_sys_sendmmsg+0x56/0x70 [ 149.854241][ T8480] do_syscall_64+0xad/0x160 [ 149.858754][ T8480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.865596][ T8480] RIP: 0033:0x443b29 [ 149.869472][ T8480] Code: Bad RIP value. [ 149.873527][ T8480] RSP: 002b:00007ffcf351d578 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 149.881955][ T8480] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443b29 [ 149.891074][ T8480] RDX: 0000000000000001 RSI: 00000000200002c0 RDI: 0000000000000004 [ 149.899240][ T8480] RBP: 00007ffcf351d590 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 149.907220][ T8480] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf351d5c0 [ 149.915190][ T8480] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 149.923202][ T8480] [ 149.925524][ T8480] Uninit was created at: [ 149.929764][ T8480] kmsan_internal_poison_shadow+0x66/0xd0 [ 149.935481][ T8480] kmsan_slab_alloc+0x8a/0xe0 [ 149.940150][ T8480] __kmalloc_node_track_caller+0xeab/0x12e0 [ 149.946037][ T8480] __alloc_skb+0x35f/0xb30 [ 149.950451][ T8480] alloc_skb_with_frags+0x1f2/0xc10 [ 149.955640][ T8480] sock_alloc_send_pskb+0xc83/0xe50 [ 149.960844][ T8480] packet_sendmsg+0x6abb/0x9a80 [ 149.965689][ T8480] ____sys_sendmsg+0xc82/0x1240 [ 149.970534][ T8480] __sys_sendmmsg+0xa05/0xf70 [ 149.975197][ T8480] __se_sys_sendmmsg+0xbd/0xe0 [ 149.979945][ T8480] __x64_sys_sendmmsg+0x56/0x70 [ 149.984781][ T8480] do_syscall_64+0xad/0x160 [ 149.989272][ T8480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.995153][ T8480] ===================================================== [ 150.002080][ T8480] Disabling lock debugging due to kernel taint [ 150.008231][ T8480] Kernel panic - not syncing: panic_on_warn set ... [ 150.014814][ T8480] CPU: 0 PID: 8480 Comm: syz-executor595 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 150.024871][ T8480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.034934][ T8480] Call Trace: [ 150.038231][ T8480] dump_stack+0x21c/0x280 [ 150.042568][ T8480] panic+0x4d7/0xef7 [ 150.046472][ T8480] ? add_taint+0x17c/0x210 [ 150.050888][ T8480] kmsan_report+0x1df/0x1e0 [ 150.055394][ T8480] __msan_warning+0x58/0xa0 [ 150.059907][ T8480] udp_tunnel6_xmit_skb+0xc69/0xf80 [ 150.065134][ T8480] geneve_xmit+0x2b5d/0x3200 [ 150.069737][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 150.076137][ T8480] ? geneve_stop+0x400/0x400 [ 150.080737][ T8480] xmit_one+0x3cf/0x750 [ 150.084894][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 150.090090][ T8480] __dev_queue_xmit+0x3aad/0x4470 [ 150.095134][ T8480] dev_queue_xmit+0x4b/0x60 [ 150.099632][ T8480] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.104927][ T8480] packet_sendmsg+0x8542/0x9a80 [ 150.109803][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 150.115000][ T8480] ? kmsan_internal_set_origin+0x75/0xb0 [ 150.120631][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 150.126012][ T8480] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.131823][ T8480] ? cpu_partial_store+0xe0/0x260 [ 150.136841][ T8480] ? aa_sk_perm+0x7da/0xe70 [ 150.141375][ T8480] ____sys_sendmsg+0xc82/0x1240 [ 150.146231][ T8480] ? compat_packet_setsockopt+0x3c0/0x3c0 [ 150.151970][ T8480] __sys_sendmmsg+0xa05/0xf70 [ 150.156677][ T8480] ? alloc_file_pseudo+0x4a7/0x4e0 [ 150.161807][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 150.167001][ T8480] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.172816][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 150.178022][ T8480] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.183826][ T8480] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 150.189988][ T8480] ? fd_install+0x16e/0x3f0 [ 150.194488][ T8480] ? kmsan_get_metadata+0x116/0x180 [ 150.199691][ T8480] ? __prepare_exit_to_usermode+0x16c/0x560 [ 150.205582][ T8480] __se_sys_sendmmsg+0xbd/0xe0 [ 150.210361][ T8480] __x64_sys_sendmmsg+0x56/0x70 [ 150.215210][ T8480] do_syscall_64+0xad/0x160 [ 150.219708][ T8480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.225605][ T8480] RIP: 0033:0x443b29 [ 150.230625][ T8480] Code: Bad RIP value. [ 150.234678][ T8480] RSP: 002b:00007ffcf351d578 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 150.243093][ T8480] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443b29 [ 150.251064][ T8480] RDX: 0000000000000001 RSI: 00000000200002c0 RDI: 0000000000000004 [ 150.259043][ T8480] RBP: 00007ffcf351d590 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 150.267010][ T8480] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf351d5c0 [ 150.275017][ T8480] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 150.283732][ T8480] Kernel Offset: disabled [ 150.288086][ T8480] Rebooting in 86400 seconds..