Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. 2022/02/17 13:57:44 fuzzer started 2022/02/17 13:57:44 connecting to host at 10.128.0.169:45507 2022/02/17 13:57:44 checking machine... 2022/02/17 13:57:44 checking revisions... 2022/02/17 13:57:44 testing simple program... [ 50.991388][ T3602] cgroup: Unknown subsys name 'net' [ 51.093147][ T3602] cgroup: Unknown subsys name 'rlimit' [ 52.333452][ T3606] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.341527][ T3606] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.349362][ T3606] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.357477][ T3606] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.365799][ T3606] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.373241][ T3606] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.465850][ T3605] chnl_net:caif_netlink_parms(): no params data found [ 52.509430][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.517150][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.525790][ T3605] device bridge_slave_0 entered promiscuous mode [ 52.535454][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.542587][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.550554][ T3605] device bridge_slave_1 entered promiscuous mode [ 52.572107][ T3605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.583912][ T3605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.606484][ T3605] team0: Port device team_slave_0 added [ 52.614833][ T3605] team0: Port device team_slave_1 added [ 52.632022][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.639044][ T3605] 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. [ 52.665695][ T3605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.678934][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.686138][ T3605] 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. [ 52.712859][ T3605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.736968][ T3605] [ 52.739426][ T3605] ============================= [ 52.744322][ T3605] WARNING: suspicious RCU usage [ 52.749190][ T3605] 5.17.0-rc2-syzkaller-00971-g9b6eb0478dfa #0 Not tainted [ 52.756353][ T3605] ----------------------------- [ 52.761197][ T3605] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 52.769480][ T3605] [ 52.769480][ T3605] other info that might help us debug this: [ 52.769480][ T3605] [ 52.779756][ T3605] [ 52.779756][ T3605] rcu_scheduler_active = 2, debug_locks = 1 [ 52.787874][ T3605] 2 locks held by syz-executor.0/3605: [ 52.793361][ T3605] #0: ffffffff8d32caa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 52.802833][ T3605] #1: ffff88801df955f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 52.813112][ T3605] [ 52.813112][ T3605] stack backtrace: [ 52.818996][ T3605] CPU: 1 PID: 3605 Comm: syz-executor.0 Not tainted 5.17.0-rc2-syzkaller-00971-g9b6eb0478dfa #0 [ 52.829387][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.839425][ T3605] Call Trace: [ 52.842779][ T3605] [ 52.845699][ T3605] dump_stack_lvl+0xcd/0x134 [ 52.850282][ T3605] hsr_node_get_first+0x9b/0xb0 [ 52.855124][ T3605] hsr_create_self_node+0x22d/0x650 [ 52.860331][ T3605] hsr_dev_finalize+0x2c1/0x7d0 [ 52.865180][ T3605] hsr_newlink+0x315/0x730 [ 52.869578][ T3605] ? hsr_dellink+0x130/0x130 [ 52.874173][ T3605] ? rtnl_create_link+0x7e8/0xc00 [ 52.879270][ T3605] ? hsr_dellink+0x130/0x130 [ 52.883846][ T3605] __rtnl_newlink+0x107c/0x1760 [ 52.888690][ T3605] ? rtnl_setlink+0x3c0/0x3c0 [ 52.893361][ T3605] ? is_bpf_text_address+0x77/0x170 [ 52.898547][ T3605] ? lock_downgrade+0x6e0/0x6e0 [ 52.903387][ T3605] ? unwind_next_frame+0xee1/0x1ce0 [ 52.908654][ T3605] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 52.914751][ T3605] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 52.920488][ T3605] ? is_bpf_text_address+0x99/0x170 [ 52.925696][ T3605] ? kernel_text_address+0x39/0x80 [ 52.930806][ T3605] ? __kernel_text_address+0x9/0x30 [ 52.936087][ T3605] ? unwind_get_return_address+0x51/0x90 [ 52.941715][ T3605] ? create_prof_cpu_mask+0x20/0x20 [ 52.946932][ T3605] ? arch_stack_walk+0x93/0xe0 [ 52.951989][ T3605] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 52.957496][ T3605] ? rcu_read_lock_sched_held+0x3a/0x70 [ 52.963049][ T3605] rtnl_newlink+0x64/0xa0 [ 52.967367][ T3605] ? __rtnl_newlink+0x1760/0x1760 [ 52.972381][ T3605] rtnetlink_rcv_msg+0x413/0xb80 [ 52.977394][ T3605] ? rtnl_newlink+0xa0/0xa0 [ 52.981890][ T3605] netlink_rcv_skb+0x153/0x420 [ 52.986644][ T3605] ? rtnl_newlink+0xa0/0xa0 [ 52.991132][ T3605] ? netlink_ack+0xa60/0xa60 [ 52.995706][ T3605] ? netlink_deliver_tap+0x1a2/0xc40 [ 53.000990][ T3605] ? netlink_deliver_tap+0x1b1/0xc40 [ 53.006271][ T3605] netlink_unicast+0x539/0x7e0 [ 53.011023][ T3605] ? netlink_attachskb+0x880/0x880 [ 53.016117][ T3605] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.022347][ T3605] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.028587][ T3605] ? __phys_addr_symbol+0x2c/0x70 [ 53.033607][ T3605] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 53.039321][ T3605] ? __check_object_size+0x16e/0x310 [ 53.044593][ T3605] netlink_sendmsg+0x904/0xe00 [ 53.049433][ T3605] ? netlink_unicast+0x7e0/0x7e0 [ 53.054370][ T3605] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 53.060598][ T3605] ? netlink_unicast+0x7e0/0x7e0 [ 53.065519][ T3605] sock_sendmsg+0xcf/0x120 [ 53.069924][ T3605] __sys_sendto+0x21c/0x320 [ 53.074674][ T3605] ? __ia32_sys_getpeername+0xb0/0xb0 [ 53.080031][ T3605] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 53.086105][ T3605] ? __context_tracking_exit+0xb8/0xe0 [ 53.091563][ T3605] ? lock_downgrade+0x6e0/0x6e0 [ 53.096412][ T3605] ? lock_downgrade+0x6e0/0x6e0 [ 53.101258][ T3605] __x64_sys_sendto+0xdd/0x1b0 [ 53.106011][ T3605] ? lockdep_hardirqs_on+0x79/0x100 [ 53.111219][ T3605] ? syscall_enter_from_user_mode+0x21/0x70 [ 53.117100][ T3605] do_syscall_64+0x35/0xb0 [ 53.122484][ T3605] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.128366][ T3605] RIP: 0033:0x7fbc8a28ee1c [ 53.132956][ T3605] 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 [ 53.152547][ T3605] RSP: 002b:00007fff6babeb50 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 53.160947][ T3605] RAX: ffffffffffffffda RBX: 00007fbc8b327320 RCX: 00007fbc8a28ee1c [ 53.169085][ T3605] RDX: 0000000000000048 RSI: 00007fbc8b327370 RDI: 0000000000000003 [ 53.177129][ T3605] RBP: 0000000000000000 R08: 00007fff6babeba4 R09: 000000000000000c [ 53.185262][ T3605] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 53.193238][ T3605] R13: 00007fbc8b327370 R14: 0000000000000003 R15: 0000000000000000 [ 53.201218][ T3605] [ 53.208560][ T3605] device hsr_slave_0 entered promiscuous mode [ 53.215487][ T3605] device hsr_slave_1 entered promiscuous mode [ 53.297267][ T3605] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.307575][ T3605] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.317294][ T3605] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.327042][ T3605] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.347751][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.355067][ T3605] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.362988][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.370164][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.416403][ T3605] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.428561][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.439661][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.449036][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.457554][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.471417][ T3605] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.480768][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.489494][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.498155][ T3615] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.505277][ T3615] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.517102][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.527052][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.536163][ T2927] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.543305][ T2927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.555164][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.574531][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.583527][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.592334][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.600968][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.609709][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.618242][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.626615][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.635760][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.648552][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.657595][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.667907][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.688536][ T3605] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.697566][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.705523][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program [ 53.816344][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 53.826514][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.838724][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 53.848860][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.858590][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.867140][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.875566][ T3605] device veth0_vlan entered promiscuous mode [ 53.888532][ T3605] device veth1_vlan entered promiscuous mode [ 53.906948][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.915045][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.923610][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.932501][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.945105][ T3605] device veth0_macvtap entered promiscuous mode [ 53.955418][ T3605] device veth1_macvtap entered promiscuous mode [ 53.971580][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.979297][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.987728][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.996356][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.005786][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.018277][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.029033][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.037871][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.049635][ T3605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.059388][ T3605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.068558][ T3605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.078742][ T3605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.140387][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.157583][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.169081][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.178232][ T44] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.186341][ T44] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.196458][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/17 13:57:48 building call list... [ 56.557352][ T3597] can: request_module (can-proto-0) failed. [ 56.580586][ T3597] can: request_module (can-proto-0) failed. [ 56.601859][ T3597] can: request_module (can-proto-0) failed. executing program [ 56.926416][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0