[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.1' (ECDSA) to the list of known hosts. syzkaller login: [ 527.113910][ T8491] IPVS: ftp: loaded support on port[0] = 21 [ 527.238962][ T1312] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 527.247066][ T1312] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 527.264723][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 527.302611][ T329] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 527.310599][ T329] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 527.318601][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 527.380165][ T8533] ===================================================== [ 527.387195][ T8533] BUG: KMSAN: uninit-value in hwsim_cloned_frame_received_nl+0x104e/0x13e0 [ 527.395822][ T8533] CPU: 0 PID: 8533 Comm: syz-executor398 Not tainted 5.9.0-rc4-syzkaller #0 [ 527.404488][ T8533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 527.414589][ T8533] Call Trace: [ 527.417930][ T8533] dump_stack+0x21c/0x280 [ 527.422307][ T8533] kmsan_report+0xf7/0x1e0 [ 527.426740][ T8533] __msan_warning+0x58/0xa0 [ 527.431256][ T8533] hwsim_cloned_frame_received_nl+0x104e/0x13e0 [ 527.437535][ T8533] ? hwsim_register_received_nl+0x720/0x720 [ 527.443475][ T8533] genl_rcv_msg+0x1703/0x18a0 [ 527.448194][ T8533] ? kmsan_set_origin_checked+0x95/0xf0 [ 527.453757][ T8533] netlink_rcv_skb+0x6d7/0x7e0 [ 527.458529][ T8533] ? genl_rcv+0x80/0x80 [ 527.462724][ T8533] genl_rcv+0x63/0x80 [ 527.466717][ T8533] netlink_unicast+0x11c8/0x1490 [ 527.471765][ T8533] ? genl_pernet_exit+0x90/0x90 [ 527.476640][ T8533] netlink_sendmsg+0x173a/0x1840 [ 527.481600][ T8533] ? netlink_getsockopt+0x17e0/0x17e0 [ 527.487018][ T8533] __sys_sendto+0x9dc/0xc80 [ 527.491552][ T8533] ? kmsan_get_metadata+0x116/0x180 [ 527.496757][ T8533] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 527.502572][ T8533] __se_sys_sendto+0x107/0x130 [ 527.507349][ T8533] __x64_sys_sendto+0x6e/0x90 [ 527.512049][ T8533] do_syscall_64+0x9f/0x140 [ 527.516621][ T8533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 527.522566][ T8533] RIP: 0033:0x401a73 [ 527.526465][ T8533] Code: ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb cd 66 0f 1f 44 00 00 83 3d bd 8c 2d 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 f1 0b 00 00 c3 48 83 ec 08 e8 57 01 00 00 [ 527.546069][ T8533] RSP: 002b:00007fffb168f498 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 527.554530][ T8533] RAX: ffffffffffffffda RBX: 00007fffb168f510 RCX: 0000000000401a73 [ 527.562502][ T8533] RDX: 0000000000000034 RSI: 00007fffb168f560 RDI: 0000000000000003 [ 527.570473][ T8533] RBP: 0000000000000000 R08: 00007fffb168f4a0 R09: 000000000000000c [ 527.578443][ T8533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 527.586412][ T8533] R13: 0000000000000000 R14: 00007fffb168f560 R15: 0000000000000003 [ 527.594387][ T8533] [ 527.596709][ T8533] Uninit was created at: [ 527.600997][ T8533] kmsan_internal_poison_shadow+0x66/0xd0 [ 527.606721][ T8533] kmsan_slab_alloc+0x8a/0xe0 [ 527.611384][ T8533] __kmalloc_node_track_caller+0x9aa/0x12f0 [ 527.617288][ T8533] __alloc_skb+0x35f/0xb30 [ 527.621688][ T8533] hwsim_cloned_frame_received_nl+0x20e/0x13e0 [ 527.627819][ T8533] genl_rcv_msg+0x1703/0x18a0 [ 527.632474][ T8533] netlink_rcv_skb+0x6d7/0x7e0 [ 527.637245][ T8533] genl_rcv+0x63/0x80 [ 527.641204][ T8533] netlink_unicast+0x11c8/0x1490 [ 527.646114][ T8533] netlink_sendmsg+0x173a/0x1840 [ 527.651033][ T8533] __sys_sendto+0x9dc/0xc80 [ 527.655524][ T8533] __se_sys_sendto+0x107/0x130 [ 527.660285][ T8533] __x64_sys_sendto+0x6e/0x90 [ 527.664955][ T8533] do_syscall_64+0x9f/0x140 [ 527.669449][ T8533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 527.675323][ T8533] ===================================================== [ 527.682227][ T8533] Disabling lock debugging due to kernel taint [ 527.688353][ T8533] Kernel panic - not syncing: panic_on_warn set ... [ 527.694927][ T8533] CPU: 0 PID: 8533 Comm: syz-executor398 Tainted: G B 5.9.0-rc4-syzkaller #0 [ 527.704960][ T8533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 527.714990][ T8533] Call Trace: [ 527.718262][ T8533] dump_stack+0x21c/0x280 [ 527.722617][ T8533] panic+0x4d7/0xef7 [ 527.726521][ T8533] ? add_taint+0x17c/0x210 [ 527.731041][ T8533] kmsan_report+0x1df/0x1e0 [ 527.735540][ T8533] __msan_warning+0x58/0xa0 [ 527.740027][ T8533] hwsim_cloned_frame_received_nl+0x104e/0x13e0 [ 527.746362][ T8533] ? hwsim_register_received_nl+0x720/0x720 [ 527.752257][ T8533] genl_rcv_msg+0x1703/0x18a0 [ 527.756920][ T8533] ? kmsan_set_origin_checked+0x95/0xf0 [ 527.762467][ T8533] netlink_rcv_skb+0x6d7/0x7e0 [ 527.767228][ T8533] ? genl_rcv+0x80/0x80 [ 527.771370][ T8533] genl_rcv+0x63/0x80 [ 527.775331][ T8533] netlink_unicast+0x11c8/0x1490 [ 527.780255][ T8533] ? genl_pernet_exit+0x90/0x90 [ 527.785099][ T8533] netlink_sendmsg+0x173a/0x1840 [ 527.790025][ T8533] ? netlink_getsockopt+0x17e0/0x17e0 [ 527.795387][ T8533] __sys_sendto+0x9dc/0xc80 [ 527.799898][ T8533] ? kmsan_get_metadata+0x116/0x180 [ 527.805085][ T8533] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 527.810874][ T8533] __se_sys_sendto+0x107/0x130 [ 527.815622][ T8533] __x64_sys_sendto+0x6e/0x90 [ 527.820291][ T8533] do_syscall_64+0x9f/0x140 [ 527.824774][ T8533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 527.830644][ T8533] RIP: 0033:0x401a73 [ 527.834523][ T8533] Code: ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb cd 66 0f 1f 44 00 00 83 3d bd 8c 2d 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 f1 0b 00 00 c3 48 83 ec 08 e8 57 01 00 00 [ 527.854124][ T8533] RSP: 002b:00007fffb168f498 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 527.862533][ T8533] RAX: ffffffffffffffda RBX: 00007fffb168f510 RCX: 0000000000401a73 [ 527.870483][ T8533] RDX: 0000000000000034 RSI: 00007fffb168f560 RDI: 0000000000000003 [ 527.878444][ T8533] RBP: 0000000000000000 R08: 00007fffb168f4a0 R09: 000000000000000c [ 527.886403][ T8533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 527.894365][ T8533] R13: 0000000000000000 R14: 00007fffb168f560 R15: 0000000000000003 [ 527.903640][ T8533] Kernel Offset: disabled [ 527.907956][ T8533] Rebooting in 86400 seconds..