[ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ 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 17s / 2min 36s)[ *** ] A start job is running for OpenBSD …Shell server (1min 18s / 2min 36s)[ *** ] A start job is running for OpenBSD …Shell server (1min 19s / 2min 48s)[ 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 '10.128.0.134' (ECDSA) to the list of known hosts. syzkaller login: [ 127.268426][ T8222] IPVS: ftp: loaded support on port[0] = 21 [ 127.357359][ T651] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 127.365493][ T651] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 127.374063][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 127.422499][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 127.430474][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 127.438752][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 127.486255][ T8261] ===================================================== [ 127.491827][ T8261] BUG: KMSAN: uninit-value in hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 127.491827][ T8261] CPU: 0 PID: 8261 Comm: syz-executor862 Not tainted 5.12.0-rc6-syzkaller #0 [ 127.491827][ T8261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.491827][ T8261] Call Trace: [ 127.491827][ T8261] dump_stack+0x24c/0x2e0 [ 127.491827][ T8261] kmsan_report+0xfb/0x1e0 [ 127.491827][ T8261] __msan_warning+0x5c/0xa0 [ 127.491827][ T8261] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 127.491827][ T8261] ? hwsim_register_received_nl+0x740/0x740 [ 127.491827][ T8261] genl_rcv_msg+0x1319/0x1610 [ 127.491827][ T8261] ? hwsim_register_received_nl+0x740/0x740 [ 127.491827][ T8261] ? kmsan_set_origin_checked+0xa2/0x100 [ 127.491827][ T8261] netlink_rcv_skb+0x6fa/0x810 [ 127.491827][ T8261] ? genl_bind+0x4b0/0x4b0 [ 127.491827][ T8261] genl_rcv+0x63/0x80 [ 127.491827][ T8261] netlink_unicast+0x11d6/0x14a0 [ 127.491827][ T8261] ? genl_pernet_exit+0x90/0x90 [ 127.491827][ T8261] netlink_sendmsg+0x1740/0x1840 [ 127.491827][ T8261] ? netlink_getsockopt+0x1830/0x1830 [ 127.491827][ T8261] __sys_sendto+0x9ea/0xc60 [ 127.491827][ T8261] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 127.491827][ T8261] ? kmsan_get_metadata+0x116/0x180 [ 127.491827][ T8261] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 127.491827][ T8261] ? kmsan_get_metadata+0x116/0x180 [ 127.491827][ T8261] __se_sys_sendto+0x107/0x130 [ 127.491827][ T8261] __x64_sys_sendto+0x6e/0x90 [ 127.491827][ T8261] do_syscall_64+0x9f/0x140 [ 127.491827][ T8261] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 127.491827][ T8261] RIP: 0033:0x402d56 [ 127.491827][ T8261] 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 [ 127.491827][ T8261] RSP: 002b:00007ffeb0a78e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 127.491827][ T8261] RAX: ffffffffffffffda RBX: 00007ffeb0a78f10 RCX: 0000000000402d56 [ 127.491827][ T8261] RDX: 0000000000000034 RSI: 00007ffeb0a78f60 RDI: 0000000000000003 [ 127.491827][ T8261] RBP: 0000000000000001 R08: 00007ffeb0a78eb4 R09: 000000000000000c [ 127.491827][ T8261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 127.491827][ T8261] R13: 00007ffeb0a78f60 R14: 0000000000000003 R15: 0000000000000000 [ 127.491827][ T8261] [ 127.491827][ T8261] Uninit was created at: [ 127.491827][ T8261] kmsan_internal_poison_shadow+0x66/0xd0 [ 127.491827][ T8261] kmsan_slab_alloc+0x8e/0xe0 [ 127.491827][ T8261] __kmalloc_node_track_caller+0xa4f/0x1470 [ 127.491827][ T8261] __alloc_skb+0x4dd/0xe90 [ 127.491827][ T8261] hwsim_cloned_frame_received_nl+0x223/0x13f0 [ 127.491827][ T8261] genl_rcv_msg+0x1319/0x1610 [ 127.491827][ T8261] netlink_rcv_skb+0x6fa/0x810 [ 127.491827][ T8261] genl_rcv+0x63/0x80 [ 127.491827][ T8261] netlink_unicast+0x11d6/0x14a0 [ 127.491827][ T8261] netlink_sendmsg+0x1740/0x1840 [ 127.491827][ T8261] __sys_sendto+0x9ea/0xc60 [ 127.491827][ T8261] __se_sys_sendto+0x107/0x130 [ 127.491827][ T8261] __x64_sys_sendto+0x6e/0x90 [ 127.491827][ T8261] do_syscall_64+0x9f/0x140 [ 127.491827][ T8261] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 127.491827][ T8261] ===================================================== [ 127.491827][ T8261] Disabling lock debugging due to kernel taint [ 127.491827][ T8261] Kernel panic - not syncing: panic_on_kmsan set ... [ 127.491827][ T8261] CPU: 0 PID: 8261 Comm: syz-executor862 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 127.491827][ T8261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.491827][ T8261] Call Trace: [ 127.491827][ T8261] dump_stack+0x24c/0x2e0 [ 127.491827][ T8261] panic+0x4c6/0xea7 [ 127.491827][ T8261] ? add_taint+0x17c/0x210 [ 127.491827][ T8261] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 127.491827][ T8261] kmsan_report+0x1de/0x1e0 [ 127.491827][ T8261] __msan_warning+0x5c/0xa0 [ 127.491827][ T8261] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 127.491827][ T8261] ? hwsim_register_received_nl+0x740/0x740 [ 127.491827][ T8261] genl_rcv_msg+0x1319/0x1610 [ 127.491827][ T8261] ? hwsim_register_received_nl+0x740/0x740 [ 127.491827][ T8261] ? kmsan_set_origin_checked+0xa2/0x100 [ 127.491827][ T8261] netlink_rcv_skb+0x6fa/0x810 [ 127.491827][ T8261] ? genl_bind+0x4b0/0x4b0 [ 127.491827][ T8261] genl_rcv+0x63/0x80 [ 127.491827][ T8261] netlink_unicast+0x11d6/0x14a0 [ 127.491827][ T8261] ? genl_pernet_exit+0x90/0x90 [ 127.491827][ T8261] netlink_sendmsg+0x1740/0x1840 [ 127.491827][ T8261] ? netlink_getsockopt+0x1830/0x1830 [ 127.491827][ T8261] __sys_sendto+0x9ea/0xc60 [ 127.491827][ T8261] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 127.491827][ T8261] ? kmsan_get_metadata+0x116/0x180 [ 127.491827][ T8261] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 127.491827][ T8261] ? kmsan_get_metadata+0x116/0x180 [ 127.491827][ T8261] __se_sys_sendto+0x107/0x130 [ 127.491827][ T8261] __x64_sys_sendto+0x6e/0x90 [ 127.491827][ T8261] do_syscall_64+0x9f/0x140 [ 127.491827][ T8261] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 127.491827][ T8261] RIP: 0033:0x402d56 [ 127.491827][ T8261] 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 [ 127.491827][ T8261] RSP: 002b:00007ffeb0a78e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 127.491827][ T8261] RAX: ffffffffffffffda RBX: 00007ffeb0a78f10 RCX: 0000000000402d56 [ 127.491827][ T8261] RDX: 0000000000000034 RSI: 00007ffeb0a78f60 RDI: 0000000000000003 [ 127.491827][ T8261] RBP: 0000000000000001 R08: 00007ffeb0a78eb4 R09: 000000000000000c [ 127.491827][ T8261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 127.491827][ T8261] R13: 00007ffeb0a78f60 R14: 0000000000000003 R15: 0000000000000000 [ 127.491827][ T8261] Kernel Offset: disabled [ 127.491827][ T8261] Rebooting in 86400 seconds..