Starting OpenBSD Secure Shell server... Starting getty on tty2-tty6 if dbus and logind are not available... [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ 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 25s / 2min 45s) [ ***] A start job is running for OpenBSD …Shell server (1min 26s / 2min 45s) [ **] A start job is running for OpenBSD …Shell server (1min 28s / 2min 57s) [ 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 Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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 '10.128.10.56' (ECDSA) to the list of known hosts. syzkaller login: [ 145.549070][ T8483] IPVS: ftp: loaded support on port[0] = 21 [ 145.737389][ T8483] chnl_net:caif_netlink_parms(): no params data found [ 145.831988][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.839369][ T8483] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.847933][ T8483] device bridge_slave_0 entered promiscuous mode [ 145.861700][ T8483] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.869206][ T8483] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.877575][ T8483] device bridge_slave_1 entered promiscuous mode [ 145.916672][ T8483] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 145.931892][ T8483] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 145.967672][ T8483] team0: Port device team_slave_0 added [ 145.978083][ T8483] team0: Port device team_slave_1 added [ 146.011822][ T8483] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 146.018919][ T8483] 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. [ 146.045301][ T8483] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 146.059635][ T8483] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 146.066615][ T8483] 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. [ 146.093020][ T8483] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 146.138205][ T8483] device hsr_slave_0 entered promiscuous mode [ 146.146585][ T8483] device hsr_slave_1 entered promiscuous mode [ 146.350174][ T8483] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 146.366425][ T8483] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 146.385074][ T8483] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 146.410917][ T8483] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 146.511975][ T8483] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.519426][ T8483] bridge0: port 2(bridge_slave_1) entered forwarding state [ 146.527394][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.534908][ T8483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 146.717877][ T8483] 8021q: adding VLAN 0 to HW filter on device bond0 [ 146.743992][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 146.754793][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 146.766467][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 146.777290][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 146.800064][ T8483] 8021q: adding VLAN 0 to HW filter on device team0 [ 146.820502][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 146.830063][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 146.839490][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.846722][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 146.890437][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 146.901000][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 146.910422][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.917552][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 146.927934][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 146.939214][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 146.949258][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 146.959441][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 146.974057][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 146.983023][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 146.994434][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 147.015572][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 147.025423][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 147.050310][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 147.060705][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 147.075968][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 147.113803][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 147.121651][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 147.147134][ T8483] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 147.187888][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 147.198058][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 147.240229][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 147.249935][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 147.271127][ T8483] device veth0_vlan entered promiscuous mode [ 147.281136][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 147.290242][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 147.314092][ T8483] device veth1_vlan entered promiscuous mode [ 147.366763][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 147.375801][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 147.389841][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 147.399999][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 147.419806][ T8483] device veth0_macvtap entered promiscuous mode [ 147.438179][ T8483] device veth1_macvtap entered promiscuous mode [ 147.479265][ T8483] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 147.486847][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 147.496556][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 147.505534][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 147.515688][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 147.538339][ T8483] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 147.547002][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 147.557752][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 147.697351][ T8483] ===================================================== [ 147.704348][ T8483] BUG: KMSAN: uninit-value in udp_tunnel6_xmit_skb+0xc69/0xf80 [ 147.711909][ T8483] CPU: 0 PID: 8483 Comm: syz-executor722 Not tainted 5.8.0-rc5-syzkaller #0 [ 147.720586][ T8483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.730649][ T8483] Call Trace: [ 147.733979][ T8483] dump_stack+0x21c/0x280 [ 147.738338][ T8483] kmsan_report+0xf7/0x1e0 [ 147.742779][ T8483] __msan_warning+0x58/0xa0 [ 147.747309][ T8483] udp_tunnel6_xmit_skb+0xc69/0xf80 [ 147.752558][ T8483] geneve_xmit+0x2b5d/0x3200 [ 147.757259][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 147.762517][ T8483] ? geneve_stop+0x400/0x400 [ 147.767134][ T8483] xmit_one+0x3cf/0x750 [ 147.771320][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 147.776549][ T8483] __dev_queue_xmit+0x3aad/0x4470 [ 147.781632][ T8483] dev_queue_xmit+0x4b/0x60 [ 147.786167][ T8483] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.791475][ T8483] packet_sendmsg+0x8542/0x9a80 [ 147.796365][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 147.801588][ T8483] ? kmsan_internal_set_origin+0x75/0xb0 [ 147.807206][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 147.812392][ T8483] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 147.818183][ T8483] ? cpu_partial_store+0xe0/0x260 [ 147.823196][ T8483] ? aa_sk_perm+0x7da/0xe70 [ 147.827765][ T8483] ____sys_sendmsg+0xc82/0x1240 [ 147.832619][ T8483] ? compat_packet_setsockopt+0x3c0/0x3c0 [ 147.838330][ T8483] __sys_sendmmsg+0xa05/0xf70 [ 147.843036][ T8483] ? alloc_file_pseudo+0x4a7/0x4e0 [ 147.848133][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 147.853330][ T8483] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 147.859121][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 147.864318][ T8483] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 147.870124][ T8483] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 147.876289][ T8483] ? fd_install+0x16e/0x3f0 [ 147.880797][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 147.886004][ T8483] ? __prepare_exit_to_usermode+0x16c/0x560 [ 147.891885][ T8483] __se_sys_sendmmsg+0xbd/0xe0 [ 147.896646][ T8483] __x64_sys_sendmmsg+0x56/0x70 [ 147.901484][ T8483] do_syscall_64+0xad/0x160 [ 147.905983][ T8483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.911859][ T8483] RIP: 0033:0x443b29 [ 147.915729][ T8483] Code: Bad RIP value. [ 147.919776][ T8483] RSP: 002b:00007ffd48246578 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 147.928169][ T8483] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443b29 [ 147.936131][ T8483] RDX: 0000000000000001 RSI: 00000000200002c0 RDI: 0000000000000004 [ 147.944100][ T8483] RBP: 00007ffd48246590 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 147.952071][ T8483] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd482465c0 [ 147.960049][ T8483] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 147.968033][ T8483] [ 147.970362][ T8483] Uninit was created at: [ 147.974619][ T8483] kmsan_internal_poison_shadow+0x66/0xd0 [ 147.980339][ T8483] kmsan_slab_alloc+0x8a/0xe0 [ 147.985011][ T8483] __kmalloc_node_track_caller+0xeab/0x12e0 [ 147.990905][ T8483] __alloc_skb+0x35f/0xb30 [ 147.995333][ T8483] alloc_skb_with_frags+0x1f2/0xc10 [ 148.000518][ T8483] sock_alloc_send_pskb+0xc83/0xe50 [ 148.005727][ T8483] packet_sendmsg+0x6abb/0x9a80 [ 148.010568][ T8483] ____sys_sendmsg+0xc82/0x1240 [ 148.015404][ T8483] __sys_sendmmsg+0xa05/0xf70 [ 148.020065][ T8483] __se_sys_sendmmsg+0xbd/0xe0 [ 148.024810][ T8483] __x64_sys_sendmmsg+0x56/0x70 [ 148.029666][ T8483] do_syscall_64+0xad/0x160 [ 148.034190][ T8483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.040058][ T8483] ===================================================== [ 148.046968][ T8483] Disabling lock debugging due to kernel taint [ 148.053113][ T8483] Kernel panic - not syncing: panic_on_warn set ... [ 148.059701][ T8483] CPU: 0 PID: 8483 Comm: syz-executor722 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 148.069764][ T8483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.079804][ T8483] Call Trace: [ 148.083103][ T8483] dump_stack+0x21c/0x280 [ 148.087438][ T8483] panic+0x4d7/0xef7 [ 148.091350][ T8483] ? add_taint+0x17c/0x210 [ 148.095760][ T8483] kmsan_report+0x1df/0x1e0 [ 148.100257][ T8483] __msan_warning+0x58/0xa0 [ 148.104765][ T8483] udp_tunnel6_xmit_skb+0xc69/0xf80 [ 148.110004][ T8483] geneve_xmit+0x2b5d/0x3200 [ 148.114604][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 148.119820][ T8483] ? geneve_stop+0x400/0x400 [ 148.124401][ T8483] xmit_one+0x3cf/0x750 [ 148.128566][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 148.133774][ T8483] __dev_queue_xmit+0x3aad/0x4470 [ 148.138922][ T8483] dev_queue_xmit+0x4b/0x60 [ 148.143424][ T8483] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.152530][ T8483] packet_sendmsg+0x8542/0x9a80 [ 148.157390][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 148.162591][ T8483] ? kmsan_internal_set_origin+0x75/0xb0 [ 148.168209][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 148.173398][ T8483] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 148.179190][ T8483] ? cpu_partial_store+0xe0/0x260 [ 148.184196][ T8483] ? aa_sk_perm+0x7da/0xe70 [ 148.188755][ T8483] ____sys_sendmsg+0xc82/0x1240 [ 148.193667][ T8483] ? compat_packet_setsockopt+0x3c0/0x3c0 [ 148.199435][ T8483] __sys_sendmmsg+0xa05/0xf70 [ 148.204143][ T8483] ? alloc_file_pseudo+0x4a7/0x4e0 [ 148.209254][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 148.214452][ T8483] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 148.220245][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 148.225427][ T8483] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 148.231221][ T8483] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 148.237369][ T8483] ? fd_install+0x16e/0x3f0 [ 148.241886][ T8483] ? kmsan_get_metadata+0x116/0x180 [ 148.247095][ T8483] ? __prepare_exit_to_usermode+0x16c/0x560 [ 148.252977][ T8483] __se_sys_sendmmsg+0xbd/0xe0 [ 148.257733][ T8483] __x64_sys_sendmmsg+0x56/0x70 [ 148.262586][ T8483] do_syscall_64+0xad/0x160 [ 148.267089][ T8483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.272976][ T8483] RIP: 0033:0x443b29 [ 148.276884][ T8483] Code: Bad RIP value. [ 148.280932][ T8483] RSP: 002b:00007ffd48246578 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 148.289334][ T8483] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443b29 [ 148.297301][ T8483] RDX: 0000000000000001 RSI: 00000000200002c0 RDI: 0000000000000004 [ 148.305255][ T8483] RBP: 00007ffd48246590 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 148.314785][ T8483] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd482465c0 [ 148.322738][ T8483] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 148.331713][ T8483] Kernel Offset: disabled [ 148.336038][ T8483] Rebooting in 86400 seconds..