Warning: Permanently added '10.128.1.34' (ECDSA) to the list of known hosts. 2022/02/09 05:39:03 fuzzer started 2022/02/09 05:39:03 connecting to host at 10.128.0.169:37523 2022/02/09 05:39:03 checking machine... 2022/02/09 05:39:03 checking revisions... 2022/02/09 05:39:03 testing simple program... syzkaller login: [ 49.720964][ T3595] cgroup: Unknown subsys name 'net' [ 49.845405][ T3595] cgroup: Unknown subsys name 'rlimit' [ 51.047752][ T3598] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.055695][ T3598] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.063742][ T3598] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.072530][ T3598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.080462][ T3598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.087669][ T3598] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.173430][ T3597] chnl_net:caif_netlink_parms(): no params data found [ 51.215850][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.223428][ T3597] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.232070][ T3597] device bridge_slave_0 entered promiscuous mode [ 51.241109][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.248426][ T3597] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.256173][ T3597] device bridge_slave_1 entered promiscuous mode [ 51.276554][ T3597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.287657][ T3597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.310682][ T3597] team0: Port device team_slave_0 added [ 51.318023][ T3597] team0: Port device team_slave_1 added [ 51.334818][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.341909][ T3597] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 51.367960][ T3597] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.381123][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.388150][ T3597] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 51.414264][ T3597] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.437726][ T3597] [ 51.440190][ T3597] ============================= [ 51.445106][ T3597] WARNING: suspicious RCU usage [ 51.449976][ T3597] 5.17.0-rc2-syzkaller-00703-gc7d9a6751a5f #0 Not tainted [ 51.457088][ T3597] ----------------------------- [ 51.461964][ T3597] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 51.471986][ T3597] [ 51.471986][ T3597] other info that might help us debug this: [ 51.471986][ T3597] [ 51.482242][ T3597] [ 51.482242][ T3597] rcu_scheduler_active = 2, debug_locks = 1 [ 51.490435][ T3597] 2 locks held by syz-executor.0/3597: [ 51.495906][ T3597] #0: ffffffff8d32c1e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 51.505351][ T3597] #1: ffff88801dab95f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 51.515610][ T3597] [ 51.515610][ T3597] stack backtrace: [ 51.521557][ T3597] CPU: 0 PID: 3597 Comm: syz-executor.0 Not tainted 5.17.0-rc2-syzkaller-00703-gc7d9a6751a5f #0 [ 51.532057][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.542190][ T3597] Call Trace: [ 51.545458][ T3597] [ 51.548378][ T3597] dump_stack_lvl+0xcd/0x134 [ 51.552971][ T3597] hsr_node_get_first+0x9b/0xb0 [ 51.557919][ T3597] hsr_create_self_node+0x22d/0x650 [ 51.563119][ T3597] hsr_dev_finalize+0x2c1/0x7d0 [ 51.567966][ T3597] hsr_newlink+0x315/0x730 [ 51.572370][ T3597] ? hsr_dellink+0x130/0x130 [ 51.576950][ T3597] ? rtnl_create_link+0x7e8/0xc00 [ 51.581972][ T3597] ? hsr_dellink+0x130/0x130 [ 51.586555][ T3597] __rtnl_newlink+0x107c/0x1760 [ 51.591411][ T3597] ? rtnl_setlink+0x3c0/0x3c0 [ 51.596095][ T3597] ? is_bpf_text_address+0x77/0x170 [ 51.601290][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 51.606137][ T3597] ? unwind_next_frame+0xee1/0x1ce0 [ 51.611347][ T3597] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.617408][ T3597] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 51.623229][ T3597] ? is_bpf_text_address+0x99/0x170 [ 51.628427][ T3597] ? kernel_text_address+0x39/0x80 [ 51.633533][ T3597] ? __kernel_text_address+0x9/0x30 [ 51.638728][ T3597] ? unwind_get_return_address+0x51/0x90 [ 51.644350][ T3597] ? create_prof_cpu_mask+0x20/0x20 [ 51.649549][ T3597] ? arch_stack_walk+0x93/0xe0 [ 51.654443][ T3597] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 51.659909][ T3597] ? rcu_read_lock_sched_held+0x3a/0x70 [ 51.665457][ T3597] rtnl_newlink+0x64/0xa0 [ 51.669781][ T3597] ? __rtnl_newlink+0x1760/0x1760 [ 51.674801][ T3597] rtnetlink_rcv_msg+0x413/0xb80 [ 51.679734][ T3597] ? rtnl_newlink+0xa0/0xa0 [ 51.684262][ T3597] netlink_rcv_skb+0x153/0x420 [ 51.689021][ T3597] ? rtnl_newlink+0xa0/0xa0 [ 51.693519][ T3597] ? netlink_ack+0xa60/0xa60 [ 51.698103][ T3597] ? netlink_deliver_tap+0x1a2/0xc40 [ 51.703384][ T3597] ? netlink_deliver_tap+0x1b1/0xc40 [ 51.708668][ T3597] netlink_unicast+0x539/0x7e0 [ 51.713430][ T3597] ? netlink_attachskb+0x880/0x880 [ 51.718624][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.724881][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.731118][ T3597] ? __phys_addr_symbol+0x2c/0x70 [ 51.736137][ T3597] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 51.741854][ T3597] ? __check_object_size+0x16e/0x310 [ 51.747136][ T3597] netlink_sendmsg+0x904/0xe00 [ 51.751909][ T3597] ? netlink_unicast+0x7e0/0x7e0 [ 51.757105][ T3597] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.763348][ T3597] ? netlink_unicast+0x7e0/0x7e0 [ 51.768278][ T3597] sock_sendmsg+0xcf/0x120 [ 51.772695][ T3597] __sys_sendto+0x21c/0x320 [ 51.777196][ T3597] ? __ia32_sys_getpeername+0xb0/0xb0 [ 51.782564][ T3597] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.788558][ T3597] ? __context_tracking_exit+0xb8/0xe0 [ 51.794012][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 51.798857][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 51.803712][ T3597] __x64_sys_sendto+0xdd/0x1b0 [ 51.808472][ T3597] ? lockdep_hardirqs_on+0x79/0x100 [ 51.813666][ T3597] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.819905][ T3597] do_syscall_64+0x35/0xb0 [ 51.824317][ T3597] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.830203][ T3597] RIP: 0033:0x7fdc10834e1c [ 51.834614][ T3597] Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b [ 51.854210][ T3597] RSP: 002b:00007ffcb92920b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 51.862619][ T3597] RAX: ffffffffffffffda RBX: 00007fdc118cd320 RCX: 00007fdc10834e1c [ 51.870579][ T3597] RDX: 0000000000000048 RSI: 00007fdc118cd370 RDI: 0000000000000003 [ 51.878540][ T3597] RBP: 0000000000000000 R08: 00007ffcb9292104 R09: 000000000000000c [ 51.886631][ T3597] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 51.894594][ T3597] R13: 00007fdc118cd370 R14: 0000000000000003 R15: 0000000000000000 [ 51.902660][ T3597] [ 51.913314][ T3597] device hsr_slave_0 entered promiscuous mode [ 51.920621][ T3597] device hsr_slave_1 entered promiscuous mode [ 51.999214][ T3597] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.010034][ T3597] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.018997][ T3597] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.029447][ T3597] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.049086][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.056265][ T3597] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.064252][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.071347][ T3597] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.115117][ T3597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.129778][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.140740][ T3607] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.150149][ T3607] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.158007][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.174154][ T3597] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.185483][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.195714][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.204520][ T920] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.211824][ T920] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.229913][ T3610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.239140][ T3610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.247705][ T3610] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.254910][ T3610] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.263632][ T3610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.278813][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.298311][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.307483][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.321012][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.343250][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.352639][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.362839][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.371482][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.381038][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.390521][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.401543][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.417861][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.425615][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.440351][ T3597] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 52.556162][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.565068][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.582019][ T3597] device veth0_vlan entered promiscuous mode [ 52.590119][ T1132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.598463][ T1132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.609523][ T1132] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.617430][ T1132] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.631218][ T3597] device veth1_vlan entered promiscuous mode [ 52.646953][ T3597] device veth0_macvtap entered promiscuous mode [ 52.655908][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.664202][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.672448][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.681110][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.691324][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.702552][ T3597] device veth1_macvtap entered promiscuous mode [ 52.716657][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.724555][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.733193][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.742036][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.754849][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.762318][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.771757][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.783088][ T3597] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.792100][ T3597] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.801279][ T3597] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.810227][ T3597] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.868420][ T991] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.876401][ T991] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.892090][ T3610] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.905392][ T64] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.913609][ T64] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.922585][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/09 05:39:06 building call list... [ 55.163290][ T3586] can: request_module (can-proto-0) failed. [ 55.185702][ T3586] can: request_module (can-proto-0) failed. [ 55.206891][ T3586] can: request_module (can-proto-0) failed. executing program [ 55.625164][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0