[ 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 17s / 2min 38s)[** ] A start job is running for OpenBSD …Shell server (1min 18s / 2min 38s)[*** ] A start job is running for OpenBSD …Shell server (1min 18s / 2min 38s)[ *** ] A start job is running for OpenBSD …Shell server (1min 19s / 2min 38s)[ *** ] A start job is running for OpenBSD …Shell server (1min 20s / 2min 50s)[ 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 '10.128.0.23' (ECDSA) to the list of known hosts. syzkaller login: [ 128.494486][ T8221] IPVS: ftp: loaded support on port[0] = 21 [ 128.581969][ T540] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 128.590286][ T540] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 128.598554][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 128.666147][ T582] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 128.674750][ T582] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 128.683128][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 128.719798][ T8260] ===================================================== [ 128.726834][ T8260] BUG: KMSAN: uninit-value in hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 128.735474][ T8260] CPU: 0 PID: 8260 Comm: syz-executor416 Not tainted 5.12.0-rc6-syzkaller #0 [ 128.744250][ T8260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.754591][ T8260] Call Trace: [ 128.757858][ T8260] dump_stack+0x24c/0x2e0 [ 128.762214][ T8260] kmsan_report+0xfb/0x1e0 [ 128.766619][ T8260] __msan_warning+0x5c/0xa0 [ 128.771108][ T8260] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 128.777335][ T8260] ? hwsim_register_received_nl+0x740/0x740 [ 128.783370][ T8260] genl_rcv_msg+0x1319/0x1610 [ 128.788054][ T8260] ? hwsim_register_received_nl+0x740/0x740 [ 128.794122][ T8260] ? kmsan_internal_set_origin+0x85/0xc0 [ 128.799755][ T8260] netlink_rcv_skb+0x6fa/0x810 [ 128.804501][ T8260] ? genl_bind+0x4b0/0x4b0 [ 128.808902][ T8260] genl_rcv+0x63/0x80 [ 128.812864][ T8260] netlink_unicast+0x11d6/0x14a0 [ 128.817970][ T8260] ? genl_pernet_exit+0x90/0x90 [ 128.822803][ T8260] netlink_sendmsg+0x1740/0x1840 [ 128.827744][ T8260] ? netlink_getsockopt+0x1830/0x1830 [ 128.833111][ T8260] __sys_sendto+0x9ea/0xc60 [ 128.837638][ T8260] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 128.843714][ T8260] ? kmsan_get_metadata+0x116/0x180 [ 128.848929][ T8260] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 128.854740][ T8260] ? kmsan_get_metadata+0x116/0x180 [ 128.859935][ T8260] __se_sys_sendto+0x107/0x130 [ 128.864690][ T8260] __x64_sys_sendto+0x6e/0x90 [ 128.869346][ T8260] do_syscall_64+0x9f/0x140 [ 128.873841][ T8260] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 128.879724][ T8260] RIP: 0033:0x402d56 [ 128.883603][ 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 [ 128.903209][ T8260] RSP: 002b:00007ffe4144d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 128.912311][ T8260] RAX: ffffffffffffffda RBX: 00007ffe4144d210 RCX: 0000000000402d56 [ 128.920285][ T8260] RDX: 0000000000000034 RSI: 00007ffe4144d260 RDI: 0000000000000003 [ 128.928255][ T8260] RBP: 0000000000000001 R08: 00007ffe4144d1b4 R09: 000000000000000c [ 128.936217][ T8260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 128.944175][ T8260] R13: 00007ffe4144d260 R14: 0000000000000003 R15: 0000000000000000 [ 128.952164][ T8260] [ 128.954468][ T8260] Uninit was created at: [ 128.958704][ T8260] kmsan_internal_poison_shadow+0x5c/0xf0 [ 128.964413][ T8260] kmsan_slab_alloc+0x8e/0xe0 [ 128.969092][ T8260] __kmalloc_node_track_caller+0xa4f/0x1470 [ 128.974984][ T8260] __alloc_skb+0x4dd/0xe90 [ 128.979394][ T8260] hwsim_cloned_frame_received_nl+0x223/0x13f0 [ 128.985529][ T8260] genl_rcv_msg+0x1319/0x1610 [ 128.990200][ T8260] netlink_rcv_skb+0x6fa/0x810 [ 128.994946][ T8260] genl_rcv+0x63/0x80 [ 128.998932][ T8260] netlink_unicast+0x11d6/0x14a0 [ 129.003871][ T8260] netlink_sendmsg+0x1740/0x1840 [ 129.008790][ T8260] __sys_sendto+0x9ea/0xc60 [ 129.013273][ T8260] __se_sys_sendto+0x107/0x130 [ 129.018026][ T8260] __x64_sys_sendto+0x6e/0x90 [ 129.022701][ T8260] do_syscall_64+0x9f/0x140 [ 129.027202][ T8260] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 129.033077][ T8260] ===================================================== [ 129.039982][ T8260] Disabling lock debugging due to kernel taint [ 129.046108][ T8260] Kernel panic - not syncing: panic_on_kmsan set ... [ 129.052770][ T8260] CPU: 0 PID: 8260 Comm: syz-executor416 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 129.062913][ T8260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.072963][ T8260] Call Trace: [ 129.076343][ T8260] dump_stack+0x24c/0x2e0 [ 129.080675][ T8260] panic+0x4c6/0xea7 [ 129.084572][ T8260] ? add_taint+0x17c/0x210 [ 129.089000][ T8260] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 129.095151][ T8260] kmsan_report+0x1de/0x1e0 [ 129.099645][ T8260] __msan_warning+0x5c/0xa0 [ 129.104139][ T8260] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 129.110393][ T8260] ? hwsim_register_received_nl+0x740/0x740 [ 129.116278][ T8260] genl_rcv_msg+0x1319/0x1610 [ 129.120952][ T8260] ? hwsim_register_received_nl+0x740/0x740 [ 129.127011][ T8260] ? kmsan_internal_set_origin+0x85/0xc0 [ 129.132652][ T8260] netlink_rcv_skb+0x6fa/0x810 [ 129.137430][ T8260] ? genl_bind+0x4b0/0x4b0 [ 129.142078][ T8260] genl_rcv+0x63/0x80 [ 129.146069][ T8260] netlink_unicast+0x11d6/0x14a0 [ 129.151088][ T8260] ? genl_pernet_exit+0x90/0x90 [ 129.155978][ T8260] netlink_sendmsg+0x1740/0x1840 [ 129.160950][ T8260] ? netlink_getsockopt+0x1830/0x1830 [ 129.166312][ T8260] __sys_sendto+0x9ea/0xc60 [ 129.170806][ T8260] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 129.176949][ T8260] ? kmsan_get_metadata+0x116/0x180 [ 129.182245][ T8260] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 129.188068][ T8260] ? kmsan_get_metadata+0x116/0x180 [ 129.193362][ T8260] __se_sys_sendto+0x107/0x130 [ 129.198134][ T8260] __x64_sys_sendto+0x6e/0x90 [ 129.202868][ T8260] do_syscall_64+0x9f/0x140 [ 129.207506][ T8260] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 129.213411][ T8260] RIP: 0033:0x402d56 [ 129.217729][ 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 [ 129.237417][ T8260] RSP: 002b:00007ffe4144d198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 129.245841][ T8260] RAX: ffffffffffffffda RBX: 00007ffe4144d210 RCX: 0000000000402d56 [ 129.253924][ T8260] RDX: 0000000000000034 RSI: 00007ffe4144d260 RDI: 0000000000000003 [ 129.261901][ T8260] RBP: 0000000000000001 R08: 00007ffe4144d1b4 R09: 000000000000000c [ 129.269968][ T8260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 129.277939][ T8260] R13: 00007ffe4144d260 R14: 0000000000000003 R15: 0000000000000000 [ 129.286689][ T8260] Kernel Offset: disabled [ 129.291007][ T8260] Rebooting in 86400 seconds..