forked to background, child pid 3048 no interfaces have a carrier [ 63.723661][ T3049] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.757583][ T3049] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.4' (ECDSA) to the list of known hosts. syzkaller login: [ 88.310789][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.318843][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.329387][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 88.360000][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.368259][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.377575][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 88.397974][ T3472] ===================================================== [ 88.405248][ T3472] BUG: KMSAN: uninit-value in hwsim_cloned_frame_received_nl+0x12ba/0x1410 [ 88.413881][ T3472] hwsim_cloned_frame_received_nl+0x12ba/0x1410 [ 88.420143][ T3472] genl_rcv_msg+0x157f/0x1660 [ 88.424839][ T3472] netlink_rcv_skb+0x40c/0x7e0 [ 88.429617][ T3472] genl_rcv+0x63/0x80 [ 88.433614][ T3472] netlink_unicast+0x1093/0x1360 [ 88.438563][ T3472] netlink_sendmsg+0x14d9/0x1720 [ 88.443518][ T3472] __sys_sendto+0x9ef/0xc70 [ 88.448053][ T3472] __x64_sys_sendto+0x19c/0x210 [ 88.452925][ T3472] do_syscall_64+0x54/0xd0 [ 88.457380][ T3472] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.463296][ T3472] [ 88.465611][ T3472] Uninit was created at: [ 88.469895][ T3472] __kmalloc_node_track_caller+0xe0c/0x1510 [ 88.475814][ T3472] __alloc_skb+0x545/0xf90 [ 88.480336][ T3472] hwsim_cloned_frame_received_nl+0x219/0x1410 [ 88.486508][ T3472] genl_rcv_msg+0x157f/0x1660 [ 88.491202][ T3472] netlink_rcv_skb+0x40c/0x7e0 [ 88.495981][ T3472] genl_rcv+0x63/0x80 [ 88.499977][ T3472] netlink_unicast+0x1093/0x1360 [ 88.504925][ T3472] netlink_sendmsg+0x14d9/0x1720 [ 88.509876][ T3472] __sys_sendto+0x9ef/0xc70 [ 88.514398][ T3472] __x64_sys_sendto+0x19c/0x210 [ 88.519268][ T3472] do_syscall_64+0x54/0xd0 [ 88.523716][ T3472] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.529633][ T3472] [ 88.531948][ T3472] CPU: 0 PID: 3472 Comm: syz-executor880 Not tainted 5.17.0-rc4-syzkaller #0 [ 88.541381][ T3472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.551456][ T3472] ===================================================== [ 88.558381][ T3472] Disabling lock debugging due to kernel taint [ 88.565681][ T3472] Kernel panic - not syncing: kmsan.panic set ... [ 88.572114][ T3472] CPU: 0 PID: 3472 Comm: syz-executor880 Tainted: G B 5.17.0-rc4-syzkaller #0 [ 88.582300][ T3472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.592366][ T3472] Call Trace: [ 88.595821][ T3472] [ 88.598756][ T3472] dump_stack_lvl+0x1ff/0x28e [ 88.603499][ T3472] dump_stack+0x25/0x28 [ 88.607701][ T3472] panic+0x487/0xe1f [ 88.611634][ T3472] ? add_taint+0x181/0x210 [ 88.616082][ T3472] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 88.622023][ T3472] kmsan_report+0x2e6/0x2f0 [ 88.626577][ T3472] ? memcg_slab_post_alloc_hook+0x34/0xb90 [ 88.632440][ T3472] ? __msan_warning+0xb8/0x130 [ 88.637235][ T3472] ? hwsim_cloned_frame_received_nl+0x12ba/0x1410 [ 88.643694][ T3472] ? genl_rcv_msg+0x157f/0x1660 [ 88.648564][ T3472] ? netlink_rcv_skb+0x40c/0x7e0 [ 88.653521][ T3472] ? genl_rcv+0x63/0x80 [ 88.657697][ T3472] ? netlink_unicast+0x1093/0x1360 [ 88.662820][ T3472] ? netlink_sendmsg+0x14d9/0x1720 [ 88.667952][ T3472] ? __sys_sendto+0x9ef/0xc70 [ 88.672653][ T3472] ? __x64_sys_sendto+0x19c/0x210 [ 88.677700][ T3472] ? do_syscall_64+0x54/0xd0 [ 88.682314][ T3472] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.688412][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.693579][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.698726][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.703877][ T3472] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.709743][ T3472] ? __rcu_read_unlock+0x82/0xf0 [ 88.714719][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.719864][ T3472] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.725751][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.732041][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.737216][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.742354][ T3472] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.748903][ T3472] __msan_warning+0xb8/0x130 [ 88.753518][ T3472] hwsim_cloned_frame_received_nl+0x12ba/0x1410 [ 88.759818][ T3472] ? hwsim_register_received_nl+0x400/0x400 [ 88.765758][ T3472] genl_rcv_msg+0x157f/0x1660 [ 88.770493][ T3472] ? hwsim_register_received_nl+0x400/0x400 [ 88.776438][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.781603][ T3472] netlink_rcv_skb+0x40c/0x7e0 [ 88.786386][ T3472] ? genl_bind+0x520/0x520 [ 88.790829][ T3472] genl_rcv+0x63/0x80 [ 88.794829][ T3472] ? genl_pernet_exit+0x90/0x90 [ 88.799715][ T3472] netlink_unicast+0x1093/0x1360 [ 88.804724][ T3472] netlink_sendmsg+0x14d9/0x1720 [ 88.809697][ T3472] ? netlink_getsockopt+0x11d0/0x11d0 [ 88.815109][ T3472] __sys_sendto+0x9ef/0xc70 [ 88.819681][ T3472] ? kmsan_get_metadata+0x33/0x220 [ 88.824827][ T3472] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.830763][ T3472] __x64_sys_sendto+0x19c/0x210 [ 88.835661][ T3472] do_syscall_64+0x54/0xd0 [ 88.840131][ T3472] ? exc_page_fault+0x76/0x150 [ 88.844917][ T3472] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.850861][ T3472] RIP: 0033:0x7fbb0f409f46 [ 88.855381][ T3472] 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 [ 88.875015][ T3472] RSP: 002b:00007fffa44c0c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 88.883448][ T3472] RAX: ffffffffffffffda RBX: 00007fffa44c0c90 RCX: 00007fbb0f409f46 [ 88.891449][ T3472] RDX: 0000000000000034 RSI: 00007fffa44c0ce0 RDI: 0000000000000003 [ 88.899452][ T3472] RBP: 0000000000000001 R08: 00007fffa44c0c34 R09: 000000000000000c [ 88.907431][ T3472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 88.915416][ T3472] R13: 00007fffa44c0ce0 R14: 0000000000000003 R15: 0000000000000000 [ 88.923438][ T3472] [ 88.926633][ T3472] Kernel Offset: disabled [ 88.930964][ T3472] Rebooting in 86400 seconds..