Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. 2022/02/11 18:14:28 fuzzer started 2022/02/11 18:14:29 connecting to host at 10.128.0.169:34419 2022/02/11 18:14:29 checking machine... 2022/02/11 18:14:29 checking revisions... 2022/02/11 18:14:29 testing simple program... syzkaller login: [ 51.563157][ T3592] cgroup: Unknown subsys name 'net' [ 51.685119][ T3592] cgroup: Unknown subsys name 'rlimit' [ 52.924375][ T3596] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.932786][ T3596] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.941280][ T3596] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.949438][ T3596] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.957218][ T3596] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.964745][ T3596] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.062870][ T3595] chnl_net:caif_netlink_parms(): no params data found [ 53.103404][ T3595] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.111158][ T3595] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.119330][ T3595] device bridge_slave_0 entered promiscuous mode [ 53.128478][ T3595] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.135751][ T3595] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.145704][ T3595] device bridge_slave_1 entered promiscuous mode [ 53.166327][ T3595] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.179955][ T3595] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.202330][ T3595] team0: Port device team_slave_0 added [ 53.209584][ T3595] team0: Port device team_slave_1 added [ 53.227745][ T3595] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.234692][ T3595] 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. [ 53.261284][ T3595] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.274633][ T3595] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.281616][ T3595] 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. [ 53.307527][ T3595] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.330963][ T3595] [ 53.333398][ T3595] ============================= [ 53.338281][ T3595] WARNING: suspicious RCU usage [ 53.343142][ T3595] 5.17.0-rc3-next-20220211-syzkaller #0 Not tainted [ 53.349761][ T3595] ----------------------------- [ 53.354608][ T3595] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 53.362798][ T3595] [ 53.362798][ T3595] other info that might help us debug this: [ 53.362798][ T3595] [ 53.373063][ T3595] [ 53.373063][ T3595] rcu_scheduler_active = 2, debug_locks = 1 [ 53.381190][ T3595] 2 locks held by syz-executor.0/3595: [ 53.386716][ T3595] #0: ffffffff8d3325a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 53.396318][ T3595] #1: ffff88806d9295f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 53.406486][ T3595] [ 53.406486][ T3595] stack backtrace: [ 53.412377][ T3595] CPU: 0 PID: 3595 Comm: syz-executor.0 Not tainted 5.17.0-rc3-next-20220211-syzkaller #0 [ 53.422265][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.432310][ T3595] Call Trace: [ 53.435581][ T3595] [ 53.438506][ T3595] dump_stack_lvl+0xcd/0x134 [ 53.443102][ T3595] hsr_node_get_first+0x9b/0xb0 [ 53.447964][ T3595] hsr_create_self_node+0x22d/0x650 [ 53.453168][ T3595] hsr_dev_finalize+0x2c1/0x7d0 [ 53.458025][ T3595] hsr_newlink+0x315/0x730 [ 53.462442][ T3595] ? hsr_dellink+0x130/0x130 [ 53.467044][ T3595] ? rtnl_create_link+0x7e8/0xc00 [ 53.472079][ T3595] ? hsr_dellink+0x130/0x130 [ 53.476670][ T3595] __rtnl_newlink+0x107c/0x1760 [ 53.481530][ T3595] ? rtnl_setlink+0x3c0/0x3c0 [ 53.486207][ T3595] ? is_bpf_text_address+0x77/0x170 [ 53.491417][ T3595] ? lock_downgrade+0x6e0/0x6e0 [ 53.496272][ T3595] ? unwind_next_frame+0xee1/0x1ce0 [ 53.501467][ T3595] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.507540][ T3595] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 53.513258][ T3595] ? is_bpf_text_address+0x99/0x170 [ 53.518463][ T3595] ? kernel_text_address+0x39/0x80 [ 53.523586][ T3595] ? __kernel_text_address+0x9/0x30 [ 53.528795][ T3595] ? unwind_get_return_address+0x51/0x90 [ 53.534442][ T3595] ? create_prof_cpu_mask+0x20/0x20 [ 53.539664][ T3595] ? arch_stack_walk+0x93/0xe0 [ 53.544489][ T3595] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 53.549965][ T3595] ? rcu_read_lock_sched_held+0x3a/0x70 [ 53.555515][ T3595] rtnl_newlink+0x64/0xa0 [ 53.559843][ T3595] ? __rtnl_newlink+0x1760/0x1760 [ 53.564864][ T3595] rtnetlink_rcv_msg+0x413/0xb80 [ 53.569809][ T3595] ? rtnl_newlink+0xa0/0xa0 [ 53.574320][ T3595] netlink_rcv_skb+0x153/0x420 [ 53.579081][ T3595] ? rtnl_newlink+0xa0/0xa0 [ 53.583581][ T3595] ? netlink_ack+0xa80/0xa80 [ 53.588164][ T3595] ? netlink_deliver_tap+0x1a2/0xc40 [ 53.593537][ T3595] ? netlink_deliver_tap+0x1b1/0xc40 [ 53.598830][ T3595] netlink_unicast+0x539/0x7e0 [ 53.603599][ T3595] ? netlink_attachskb+0x880/0x880 [ 53.608708][ T3595] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.614951][ T3595] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.621210][ T3595] ? __phys_addr_symbol+0x2c/0x70 [ 53.626243][ T3595] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 53.631965][ T3595] ? __check_object_size+0x16c/0x4f0 [ 53.637270][ T3595] netlink_sendmsg+0x904/0xe00 [ 53.642041][ T3595] ? netlink_unicast+0x7e0/0x7e0 [ 53.646981][ T3595] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 53.653219][ T3595] ? netlink_unicast+0x7e0/0x7e0 [ 53.658152][ T3595] sock_sendmsg+0xcf/0x120 [ 53.662564][ T3595] __sys_sendto+0x21c/0x320 [ 53.667065][ T3595] ? __ia32_sys_getpeername+0xb0/0xb0 [ 53.672608][ T3595] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 53.681558][ T3595] ? __context_tracking_exit+0xb8/0xe0 [ 53.687245][ T3595] ? lock_downgrade+0x6e0/0x6e0 [ 53.692103][ T3595] ? lock_downgrade+0x6e0/0x6e0 [ 53.697055][ T3595] __x64_sys_sendto+0xdd/0x1b0 [ 53.701820][ T3595] ? lockdep_hardirqs_on+0x79/0x100 [ 53.707025][ T3595] ? syscall_enter_from_user_mode+0x21/0x70 [ 53.712919][ T3595] do_syscall_64+0x35/0xb0 [ 53.717332][ T3595] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.723228][ T3595] RIP: 0033:0x7f389d86fe1c [ 53.727636][ T3595] 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 [ 53.747236][ T3595] RSP: 002b:00007ffed5922a40 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 53.755645][ T3595] RAX: ffffffffffffffda RBX: 00007f389e908320 RCX: 00007f389d86fe1c [ 53.763608][ T3595] RDX: 0000000000000048 RSI: 00007f389e908370 RDI: 0000000000000003 [ 53.771572][ T3595] RBP: 0000000000000000 R08: 00007ffed5922a94 R09: 000000000000000c [ 53.779547][ T3595] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 53.787597][ T3595] R13: 00007f389e908370 R14: 0000000000000003 R15: 0000000000000000 [ 53.795574][ T3595] [ 53.804572][ T3595] device hsr_slave_0 entered promiscuous mode [ 53.811836][ T3595] device hsr_slave_1 entered promiscuous mode [ 53.889997][ T3595] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.900495][ T3595] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.909334][ T3595] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.920649][ T3595] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.941386][ T3595] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.948901][ T3595] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.956785][ T3595] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.963892][ T3595] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.010253][ T3595] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.021890][ T1129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.033025][ T1129] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.041533][ T1129] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.050739][ T1129] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.064635][ T3595] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.074107][ T1140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.082748][ T1140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.092138][ T1140] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.099258][ T1140] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.110899][ T3593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.121340][ T3593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.130167][ T3593] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.137255][ T3593] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.155965][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.165076][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.173614][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.182641][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.191441][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.200106][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.211597][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.220335][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.229204][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.243013][ T3595] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.255482][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.263615][ T1140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.272751][ T1140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.295288][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.302773][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.316927][ T3595] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 54.468990][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.478211][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.489467][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.498281][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.508764][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.516740][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.524586][ T3595] device veth0_vlan entered promiscuous mode [ 54.535316][ T3595] device veth1_vlan entered promiscuous mode [ 54.553002][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.561755][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.571545][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.581394][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.591760][ T3595] device veth0_macvtap entered promiscuous mode [ 54.603786][ T3595] device veth1_macvtap entered promiscuous mode [ 54.619593][ T3595] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.628755][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.637669][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.645910][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.654471][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.665469][ T3595] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.673012][ T3593] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.681849][ T3593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.692996][ T3595] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.702860][ T3595] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.711950][ T3595] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.721212][ T3595] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.780139][ T91] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.788409][ T91] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.802773][ T1140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.814404][ T1021] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.822570][ T1021] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.831741][ T1140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/11 18:14:32 building call list... [ 54.996026][ T3593] Bluetooth: hci0: command 0x0409 tx timeout [ 55.120114][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.072702][ T3585] can: request_module (can-proto-0) failed. [ 57.093987][ T3585] can: request_module (can-proto-0) failed. [ 57.114467][ T3585] can: request_module (can-proto-0) failed. executing program [ 57.386259][ T8] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0