Warning: Permanently added '10.128.1.54' (ECDSA) to the list of known hosts. 2022/02/11 18:05:44 fuzzer started 2022/02/11 18:05:45 connecting to host at 10.128.0.169:35747 2022/02/11 18:05:45 checking machine... 2022/02/11 18:05:45 checking revisions... 2022/02/11 18:05:45 testing simple program... syzkaller login: [ 52.296812][ T3595] cgroup: Unknown subsys name 'net' [ 52.411945][ T3595] cgroup: Unknown subsys name 'rlimit' [ 53.672002][ T3598] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.680565][ T3598] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.688630][ T3598] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.697758][ T3598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.706151][ T3598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.714003][ T3598] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.820188][ T3597] chnl_net:caif_netlink_parms(): no params data found [ 53.864657][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.872235][ T3597] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.880663][ T3597] device bridge_slave_0 entered promiscuous mode [ 53.890061][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.897442][ T3597] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.905522][ T3597] device bridge_slave_1 entered promiscuous mode [ 53.927326][ T3597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.938789][ T3597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.963282][ T3597] team0: Port device team_slave_0 added [ 53.971224][ T3597] team0: Port device team_slave_1 added [ 53.988097][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.995188][ 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. [ 54.022096][ T3597] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.035775][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.042981][ 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. [ 54.069994][ T3597] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.094805][ T3597] [ 54.097326][ T3597] ============================= [ 54.102337][ T3597] WARNING: suspicious RCU usage [ 54.107633][ T3597] 5.17.0-rc3-syzkaller-01117-gb96a79253fff #0 Not tainted [ 54.114950][ T3597] ----------------------------- [ 54.119879][ T3597] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 54.128098][ T3597] [ 54.128098][ T3597] other info that might help us debug this: [ 54.128098][ T3597] [ 54.138777][ T3597] [ 54.138777][ T3597] rcu_scheduler_active = 2, debug_locks = 1 [ 54.147169][ T3597] 2 locks held by syz-executor.0/3597: [ 54.152752][ T3597] #0: ffffffff8d32cba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 54.162478][ T3597] #1: ffff88801cb215f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 54.173136][ T3597] [ 54.173136][ T3597] stack backtrace: [ 54.179302][ T3597] CPU: 0 PID: 3597 Comm: syz-executor.0 Not tainted 5.17.0-rc3-syzkaller-01117-gb96a79253fff #0 [ 54.190315][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.200511][ T3597] Call Trace: [ 54.203790][ T3597] [ 54.207280][ T3597] dump_stack_lvl+0xcd/0x134 [ 54.212006][ T3597] hsr_node_get_first+0x9b/0xb0 [ 54.216864][ T3597] hsr_create_self_node+0x22d/0x650 [ 54.222080][ T3597] hsr_dev_finalize+0x2c1/0x7d0 [ 54.227015][ T3597] hsr_newlink+0x315/0x730 [ 54.231726][ T3597] ? hsr_dellink+0x130/0x130 [ 54.236315][ T3597] ? rtnl_create_link+0x7e8/0xc00 [ 54.241485][ T3597] ? hsr_dellink+0x130/0x130 [ 54.246079][ T3597] __rtnl_newlink+0x107c/0x1760 [ 54.250937][ T3597] ? rtnl_setlink+0x3c0/0x3c0 [ 54.255718][ T3597] ? is_bpf_text_address+0x77/0x170 [ 54.261322][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 54.266188][ T3597] ? unwind_next_frame+0xee1/0x1ce0 [ 54.271577][ T3597] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.277749][ T3597] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 54.283588][ T3597] ? is_bpf_text_address+0x99/0x170 [ 54.288965][ T3597] ? kernel_text_address+0x39/0x80 [ 54.294339][ T3597] ? __kernel_text_address+0x9/0x30 [ 54.299631][ T3597] ? unwind_get_return_address+0x51/0x90 [ 54.305303][ T3597] ? create_prof_cpu_mask+0x20/0x20 [ 54.310557][ T3597] ? arch_stack_walk+0x93/0xe0 [ 54.315375][ T3597] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 54.320974][ T3597] ? rcu_read_lock_sched_held+0x3a/0x70 [ 54.326531][ T3597] rtnl_newlink+0x64/0xa0 [ 54.330953][ T3597] ? __rtnl_newlink+0x1760/0x1760 [ 54.336068][ T3597] rtnetlink_rcv_msg+0x413/0xb80 [ 54.341191][ T3597] ? rtnl_newlink+0xa0/0xa0 [ 54.345958][ T3597] netlink_rcv_skb+0x153/0x420 [ 54.350824][ T3597] ? rtnl_newlink+0xa0/0xa0 [ 54.355466][ T3597] ? netlink_ack+0xa60/0xa60 [ 54.360341][ T3597] ? netlink_deliver_tap+0x1a2/0xc40 [ 54.365727][ T3597] ? netlink_deliver_tap+0x1b1/0xc40 [ 54.371191][ T3597] netlink_unicast+0x539/0x7e0 [ 54.376685][ T3597] ? netlink_attachskb+0x880/0x880 [ 54.381885][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 54.389801][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 54.396323][ T3597] ? __phys_addr_symbol+0x2c/0x70 [ 54.401460][ T3597] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 54.407557][ T3597] ? __check_object_size+0x16e/0x310 [ 54.412850][ T3597] netlink_sendmsg+0x904/0xe00 [ 54.417724][ T3597] ? netlink_unicast+0x7e0/0x7e0 [ 54.422784][ T3597] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 54.429204][ T3597] ? netlink_unicast+0x7e0/0x7e0 [ 54.434151][ T3597] sock_sendmsg+0xcf/0x120 [ 54.438756][ T3597] __sys_sendto+0x21c/0x320 [ 54.443356][ T3597] ? __ia32_sys_getpeername+0xb0/0xb0 [ 54.448822][ T3597] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 54.455020][ T3597] ? __context_tracking_exit+0xb8/0xe0 [ 54.460699][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 54.465736][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 54.470689][ T3597] __x64_sys_sendto+0xdd/0x1b0 [ 54.475458][ T3597] ? lockdep_hardirqs_on+0x79/0x100 [ 54.480745][ T3597] ? syscall_enter_from_user_mode+0x21/0x70 [ 54.486751][ T3597] do_syscall_64+0x35/0xb0 [ 54.491328][ T3597] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.497393][ T3597] RIP: 0033:0x7f02f935ce1c [ 54.501808][ 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 [ 54.521870][ T3597] RSP: 002b:00007fff1686ce40 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 54.530394][ T3597] RAX: ffffffffffffffda RBX: 00007f02fa3f5320 RCX: 00007f02f935ce1c [ 54.538366][ T3597] RDX: 0000000000000048 RSI: 00007f02fa3f5370 RDI: 0000000000000003 [ 54.546438][ T3597] RBP: 0000000000000000 R08: 00007fff1686ce94 R09: 000000000000000c [ 54.554410][ T3597] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 54.563013][ T3597] R13: 00007f02fa3f5370 R14: 0000000000000003 R15: 0000000000000000 [ 54.571183][ T3597] [ 54.579801][ T3597] device hsr_slave_0 entered promiscuous mode [ 54.587525][ T3597] device hsr_slave_1 entered promiscuous mode [ 54.669837][ T3597] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.680469][ T3597] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.690593][ T3597] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.699654][ T3597] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.721377][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.728584][ T3597] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.736834][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.744263][ T3597] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.789698][ T3597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.802589][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.815278][ T3607] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.825383][ T3607] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.834929][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.849216][ T3597] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.860041][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.871783][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.881041][ T2926] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.888377][ T2926] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.907842][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.918201][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.926933][ T140] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.934576][ T140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.942957][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.951677][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.964748][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.975058][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.985144][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.998123][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.007869][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.022241][ T3597] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.034719][ T3597] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.046952][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.055881][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.065035][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.074077][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 55.084865][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.102394][ T3597] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.113734][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.121639][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.261963][ T3597] device veth0_vlan entered promiscuous mode [ 55.271053][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.280447][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.289817][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.311514][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.324955][ T3597] device veth1_vlan entered promiscuous mode [ 55.333186][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.341829][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.350220][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.369228][ T3597] device veth0_macvtap entered promiscuous mode [ 55.380609][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.389263][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 55.398243][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.410167][ T3597] device veth1_macvtap entered promiscuous mode [ 55.418795][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.437233][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.452026][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.460904][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.470074][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.480956][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.490465][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.501576][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.512417][ T3597] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.522127][ T3597] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.531439][ T3597] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.540716][ T3597] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.601395][ T977] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.618242][ T977] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.628348][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.628436][ T1301] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.645249][ T1301] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.655087][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/11 18:05:48 building call list... [ 55.743872][ T3608] Bluetooth: hci0: command 0x0409 tx timeout [ 55.904580][ T977] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.861171][ T3593] can: request_module (can-proto-0) failed. [ 57.884238][ T3593] can: request_module (can-proto-0) failed. [ 57.906004][ T3593] can: request_module (can-proto-0) failed. executing program [ 58.505691][ T977] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0