[ OK ] Found device /dev/ttyS0. [ OK ] Started Permit User Sessions. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started System Logging Service. [ **] A start job is running for OpenBSD …Shell server (1min 28s / 2min 46s)[ *] A start job is running for OpenBSD …Shell server (1min 29s / 2min 46s)[ **] A start job is running for OpenBSD …Shell server (1min 29s / 2min 46s)[ ***] A start job is running for OpenBSD …Shell server (1min 30s / 2min 46s)[ *** ] A start job is running for OpenBSD …ure Shell server (1min 31s / 3min)[ 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 '10.128.0.246' (ECDSA) to the list of known hosts. syzkaller login: [ 143.231851][ T8221] IPVS: ftp: loaded support on port[0] = 21 [ 143.332883][ T1110] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 143.340818][ T1110] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 143.351275][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 143.404363][ T42] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 143.412956][ T42] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 143.423906][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 143.470234][ T8260] ===================================================== [ 143.477308][ T8260] BUG: KMSAN: uninit-value in hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 143.485940][ T8260] CPU: 1 PID: 8260 Comm: syz-executor909 Not tainted 5.12.0-rc6-syzkaller #0 [ 143.494718][ T8260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.504779][ T8260] Call Trace: [ 143.508064][ T8260] dump_stack+0x24c/0x2e0 [ 143.512424][ T8260] kmsan_report+0xfb/0x1e0 [ 143.516860][ T8260] __msan_warning+0x5c/0xa0 [ 143.521397][ T8260] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 143.527698][ T8260] ? hwsim_register_received_nl+0x740/0x740 [ 143.533654][ T8260] genl_rcv_msg+0x1319/0x1610 [ 143.538373][ T8260] ? hwsim_register_received_nl+0x740/0x740 [ 143.544291][ T8260] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.549950][ T8260] netlink_rcv_skb+0x6fa/0x810 [ 143.554709][ T8260] ? genl_bind+0x4b0/0x4b0 [ 143.559115][ T8260] genl_rcv+0x63/0x80 [ 143.563133][ T8260] netlink_unicast+0x11d6/0x14a0 [ 143.568060][ T8260] ? genl_pernet_exit+0x90/0x90 [ 143.572908][ T8260] netlink_sendmsg+0x1740/0x1840 [ 143.577873][ T8260] ? netlink_getsockopt+0x1830/0x1830 [ 143.583239][ T8260] __sys_sendto+0x9ea/0xc60 [ 143.587737][ T8260] ? kmsan_get_metadata+0x116/0x180 [ 143.592930][ T8260] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.598750][ T8260] ? kmsan_get_metadata+0x116/0x180 [ 143.603961][ T8260] __se_sys_sendto+0x107/0x130 [ 143.608733][ T8260] __x64_sys_sendto+0x6e/0x90 [ 143.613400][ T8260] do_syscall_64+0x9f/0x140 [ 143.617895][ T8260] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.623778][ T8260] RIP: 0033:0x402d56 [ 143.627676][ T8260] Code: 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 [ 143.647294][ T8260] RSP: 002b:00007ffd4faf6ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 143.655726][ T8260] RAX: ffffffffffffffda RBX: 00007ffd4faf6f70 RCX: 0000000000402d56 [ 143.663697][ T8260] RDX: 0000000000000034 RSI: 00007ffd4faf6fc0 RDI: 0000000000000003 [ 143.671672][ T8260] RBP: 0000000000000001 R08: 00007ffd4faf6f14 R09: 000000000000000c [ 143.679655][ T8260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 143.687629][ T8260] R13: 00007ffd4faf6fc0 R14: 0000000000000003 R15: 0000000000000000 [ 143.695624][ T8260] [ 143.697968][ T8260] Uninit was created at: [ 143.702210][ T8260] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.708148][ T8260] kmsan_slab_alloc+0x8e/0xe0 [ 143.712823][ T8260] __kmalloc_node_track_caller+0xa4f/0x1470 [ 143.718717][ T8260] __alloc_skb+0x4dd/0xe90 [ 143.723129][ T8260] hwsim_cloned_frame_received_nl+0x223/0x13f0 [ 143.729328][ T8260] genl_rcv_msg+0x1319/0x1610 [ 143.734014][ T8260] netlink_rcv_skb+0x6fa/0x810 [ 143.738779][ T8260] genl_rcv+0x63/0x80 [ 143.742768][ T8260] netlink_unicast+0x11d6/0x14a0 [ 143.747708][ T8260] netlink_sendmsg+0x1740/0x1840 [ 143.752653][ T8260] __sys_sendto+0x9ea/0xc60 [ 143.757165][ T8260] __se_sys_sendto+0x107/0x130 [ 143.761918][ T8260] __x64_sys_sendto+0x6e/0x90 [ 143.766756][ T8260] do_syscall_64+0x9f/0x140 [ 143.771270][ T8260] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.777246][ T8260] ===================================================== [ 143.784175][ T8260] Disabling lock debugging due to kernel taint [ 143.790408][ T8260] Kernel panic - not syncing: panic_on_kmsan set ... [ 143.797107][ T8260] CPU: 1 PID: 8260 Comm: syz-executor909 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.807258][ T8260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.817316][ T8260] Call Trace: [ 143.820597][ T8260] dump_stack+0x24c/0x2e0 [ 143.824924][ T8260] panic+0x4c6/0xea7 [ 143.828920][ T8260] ? add_taint+0x17c/0x210 [ 143.833350][ T8260] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 143.839499][ T8260] kmsan_report+0x1de/0x1e0 [ 143.844036][ T8260] __msan_warning+0x5c/0xa0 [ 143.848582][ T8260] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 143.854830][ T8260] ? hwsim_register_received_nl+0x740/0x740 [ 143.860736][ T8260] genl_rcv_msg+0x1319/0x1610 [ 143.865428][ T8260] ? hwsim_register_received_nl+0x740/0x740 [ 143.871332][ T8260] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.876973][ T8260] netlink_rcv_skb+0x6fa/0x810 [ 143.881746][ T8260] ? genl_bind+0x4b0/0x4b0 [ 143.886166][ T8260] genl_rcv+0x63/0x80 [ 143.890148][ T8260] netlink_unicast+0x11d6/0x14a0 [ 143.895082][ T8260] ? genl_pernet_exit+0x90/0x90 [ 143.899954][ T8260] netlink_sendmsg+0x1740/0x1840 [ 143.904937][ T8260] ? netlink_getsockopt+0x1830/0x1830 [ 143.910332][ T8260] __sys_sendto+0x9ea/0xc60 [ 143.914864][ T8260] ? kmsan_get_metadata+0x116/0x180 [ 143.920077][ T8260] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.925905][ T8260] ? kmsan_get_metadata+0x116/0x180 [ 143.931111][ T8260] __se_sys_sendto+0x107/0x130 [ 143.935908][ T8260] __x64_sys_sendto+0x6e/0x90 [ 143.940579][ T8260] do_syscall_64+0x9f/0x140 [ 143.945076][ T8260] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.950964][ T8260] RIP: 0033:0x402d56 [ 143.954858][ T8260] Code: 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 [ 143.974455][ T8260] RSP: 002b:00007ffd4faf6ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 143.982878][ T8260] RAX: ffffffffffffffda RBX: 00007ffd4faf6f70 RCX: 0000000000402d56 [ 143.990865][ T8260] RDX: 0000000000000034 RSI: 00007ffd4faf6fc0 RDI: 0000000000000003 [ 143.998831][ T8260] RBP: 0000000000000001 R08: 00007ffd4faf6f14 R09: 000000000000000c [ 144.006811][ T8260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 144.014794][ T8260] R13: 00007ffd4faf6fc0 R14: 0000000000000003 R15: 0000000000000000 [ 144.023650][ T8260] Kernel Offset: disabled [ 144.027977][ T8260] Rebooting in 86400 seconds..