[ 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 '10.128.0.117' (ECDSA) to the list of known hosts. syzkaller login: [ 136.323352][ T8213] IPVS: ftp: loaded support on port[0] = 21 [ 136.464097][ T1094] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.472019][ T1094] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 136.492343][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 136.529238][ T207] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.537953][ T207] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 136.546390][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 136.576708][ T8252] ===================================================== [ 136.583846][ T8252] BUG: KMSAN: uninit-value in hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 136.592479][ T8252] CPU: 1 PID: 8252 Comm: syz-executor217 Not tainted 5.12.0-rc6-syzkaller #0 [ 136.601333][ T8252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.611376][ T8252] Call Trace: [ 136.614642][ T8252] dump_stack+0x24c/0x2e0 [ 136.619067][ T8252] kmsan_report+0xfb/0x1e0 [ 136.623467][ T8252] __msan_warning+0x5c/0xa0 [ 136.627953][ T8252] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 136.634182][ T8252] ? hwsim_register_received_nl+0x740/0x740 [ 136.640062][ T8252] genl_rcv_msg+0x1319/0x1610 [ 136.644729][ T8252] ? hwsim_register_received_nl+0x740/0x740 [ 136.650608][ T8252] ? kmsan_set_origin_checked+0xa2/0x100 [ 136.656235][ T8252] netlink_rcv_skb+0x6fa/0x810 [ 136.660996][ T8252] ? genl_bind+0x4b0/0x4b0 [ 136.665417][ T8252] genl_rcv+0x63/0x80 [ 136.669398][ T8252] netlink_unicast+0x11d6/0x14a0 [ 136.674326][ T8252] ? genl_pernet_exit+0x90/0x90 [ 136.679166][ T8252] netlink_sendmsg+0x1740/0x1840 [ 136.684105][ T8252] ? netlink_getsockopt+0x1830/0x1830 [ 136.689471][ T8252] __sys_sendto+0x9ea/0xc60 [ 136.693966][ T8252] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 136.700029][ T8252] ? kmsan_get_metadata+0x116/0x180 [ 136.705564][ T8252] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.711374][ T8252] ? kmsan_get_metadata+0x116/0x180 [ 136.716569][ T8252] __se_sys_sendto+0x107/0x130 [ 136.721327][ T8252] __x64_sys_sendto+0x6e/0x90 [ 136.725992][ T8252] do_syscall_64+0x9f/0x140 [ 136.730577][ T8252] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 136.736548][ T8252] RIP: 0033:0x402d56 [ 136.740440][ T8252] 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 [ 136.760306][ T8252] RSP: 002b:00007ffe1cccea68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 136.768732][ T8252] RAX: ffffffffffffffda RBX: 00007ffe1ccceae0 RCX: 0000000000402d56 [ 136.776695][ T8252] RDX: 0000000000000034 RSI: 00007ffe1ccceb30 RDI: 0000000000000003 [ 136.784655][ T8252] RBP: 0000000000000001 R08: 00007ffe1cccea84 R09: 000000000000000c [ 136.792627][ T8252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 136.800678][ T8252] R13: 00007ffe1ccceb30 R14: 0000000000000003 R15: 0000000000000000 [ 136.808645][ T8252] [ 136.810960][ T8252] Uninit was created at: [ 136.815296][ T8252] kmsan_internal_poison_shadow+0x66/0xd0 [ 136.821044][ T8252] kmsan_slab_alloc+0x8e/0xe0 [ 136.825706][ T8252] __kmalloc_node_track_caller+0xa4f/0x1470 [ 136.831593][ T8252] __alloc_skb+0x4dd/0xe90 [ 136.836122][ T8252] hwsim_cloned_frame_received_nl+0x223/0x13f0 [ 136.842322][ T8252] genl_rcv_msg+0x1319/0x1610 [ 136.847226][ T8252] netlink_rcv_skb+0x6fa/0x810 [ 136.851998][ T8252] genl_rcv+0x63/0x80 [ 136.855963][ T8252] netlink_unicast+0x11d6/0x14a0 [ 136.860887][ T8252] netlink_sendmsg+0x1740/0x1840 [ 136.865808][ T8252] __sys_sendto+0x9ea/0xc60 [ 136.870303][ T8252] __se_sys_sendto+0x107/0x130 [ 136.875067][ T8252] __x64_sys_sendto+0x6e/0x90 [ 136.879813][ T8252] do_syscall_64+0x9f/0x140 [ 136.884346][ T8252] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 136.890247][ T8252] ===================================================== [ 136.897259][ T8252] Disabling lock debugging due to kernel taint [ 136.903481][ T8252] Kernel panic - not syncing: panic_on_kmsan set ... [ 136.910130][ T8252] CPU: 1 PID: 8252 Comm: syz-executor217 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 136.920353][ T8252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.930510][ T8252] Call Trace: [ 136.933785][ T8252] dump_stack+0x24c/0x2e0 [ 136.938224][ T8252] panic+0x4c6/0xea7 [ 136.942188][ T8252] ? add_taint+0x17c/0x210 [ 136.946588][ T8252] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 136.952742][ T8252] kmsan_report+0x1de/0x1e0 [ 136.957255][ T8252] __msan_warning+0x5c/0xa0 [ 136.961743][ T8252] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 136.967976][ T8252] ? hwsim_register_received_nl+0x740/0x740 [ 136.973887][ T8252] genl_rcv_msg+0x1319/0x1610 [ 136.978640][ T8252] ? hwsim_register_received_nl+0x740/0x740 [ 136.984546][ T8252] ? kmsan_set_origin_checked+0xa2/0x100 [ 136.990344][ T8252] netlink_rcv_skb+0x6fa/0x810 [ 136.995156][ T8252] ? genl_bind+0x4b0/0x4b0 [ 136.999589][ T8252] genl_rcv+0x63/0x80 [ 137.003665][ T8252] netlink_unicast+0x11d6/0x14a0 [ 137.008609][ T8252] ? genl_pernet_exit+0x90/0x90 [ 137.013506][ T8252] netlink_sendmsg+0x1740/0x1840 [ 137.018450][ T8252] ? netlink_getsockopt+0x1830/0x1830 [ 137.023925][ T8252] __sys_sendto+0x9ea/0xc60 [ 137.028721][ T8252] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 137.034893][ T8252] ? kmsan_get_metadata+0x116/0x180 [ 137.040107][ T8252] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.046004][ T8252] ? kmsan_get_metadata+0x116/0x180 [ 137.051194][ T8252] __se_sys_sendto+0x107/0x130 [ 137.055947][ T8252] __x64_sys_sendto+0x6e/0x90 [ 137.060608][ T8252] do_syscall_64+0x9f/0x140 [ 137.065100][ T8252] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.070978][ T8252] RIP: 0033:0x402d56 [ 137.074967][ T8252] 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 [ 137.095178][ T8252] RSP: 002b:00007ffe1cccea68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 137.103609][ T8252] RAX: ffffffffffffffda RBX: 00007ffe1ccceae0 RCX: 0000000000402d56 [ 137.111579][ T8252] RDX: 0000000000000034 RSI: 00007ffe1ccceb30 RDI: 0000000000000003 [ 137.119550][ T8252] RBP: 0000000000000001 R08: 00007ffe1cccea84 R09: 000000000000000c [ 137.127802][ T8252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 137.135768][ T8252] R13: 00007ffe1ccceb30 R14: 0000000000000003 R15: 0000000000000000 [ 137.145099][ T8252] Kernel Offset: disabled [ 137.149414][ T8252] Rebooting in 86400 seconds..