Warning: Permanently added '10.128.1.1' (ECDSA) to the list of known hosts. 2022/02/21 19:55:23 fuzzer started 2022/02/21 19:55:24 connecting to host at 10.128.0.169:41219 2022/02/21 19:55:24 checking machine... 2022/02/21 19:55:24 checking revisions... 2022/02/21 19:55:24 testing simple program... syzkaller login: [ 51.325123][ T3593] cgroup: Unknown subsys name 'net' [ 51.458073][ T3593] cgroup: Unknown subsys name 'rlimit' [ 52.721379][ T3597] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.729708][ T3597] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.738159][ T3597] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.746748][ T3597] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.754329][ T3597] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.761859][ T3597] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.854884][ T3596] chnl_net:caif_netlink_parms(): no params data found [ 52.897791][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.905550][ T3596] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.913854][ T3596] device bridge_slave_0 entered promiscuous mode [ 52.923486][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.930599][ T3596] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.938691][ T3596] device bridge_slave_1 entered promiscuous mode [ 52.961280][ T3596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.972415][ T3596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.994616][ T3596] team0: Port device team_slave_0 added [ 53.002507][ T3596] team0: Port device team_slave_1 added [ 53.020889][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.027929][ T3596] 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. [ 53.054112][ T3596] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.067303][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.074388][ T3596] 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. [ 53.100764][ T3596] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.124868][ T3596] [ 53.127307][ T3596] ============================= [ 53.132212][ T3596] WARNING: suspicious RCU usage [ 53.137320][ T3596] 5.17.0-rc4-syzkaller-01352-gb03e19465b97 #0 Not tainted [ 53.144484][ T3596] ----------------------------- [ 53.149950][ T3596] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 53.158143][ T3596] [ 53.158143][ T3596] other info that might help us debug this: [ 53.158143][ T3596] [ 53.168671][ T3596] [ 53.168671][ T3596] rcu_scheduler_active = 2, debug_locks = 1 [ 53.176952][ T3596] 2 locks held by syz-executor.0/3596: [ 53.182465][ T3596] #0: ffffffff8d32f868 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 53.191969][ T3596] #1: ffff8880724b95f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 53.202177][ T3596] [ 53.202177][ T3596] stack backtrace: [ 53.208327][ T3596] CPU: 1 PID: 3596 Comm: syz-executor.0 Not tainted 5.17.0-rc4-syzkaller-01352-gb03e19465b97 #0 [ 53.219031][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.229096][ T3596] Call Trace: [ 53.232380][ T3596] [ 53.235315][ T3596] dump_stack_lvl+0xcd/0x134 [ 53.239922][ T3596] hsr_node_get_first+0x9b/0xb0 [ 53.244788][ T3596] hsr_create_self_node+0x22d/0x650 [ 53.249977][ T3596] hsr_dev_finalize+0x2c1/0x7d0 [ 53.254837][ T3596] hsr_newlink+0x315/0x730 [ 53.259243][ T3596] ? hsr_dellink+0x130/0x130 [ 53.263828][ T3596] ? rtnl_create_link+0x7e8/0xc00 [ 53.268843][ T3596] ? hsr_dellink+0x130/0x130 [ 53.273513][ T3596] __rtnl_newlink+0x107c/0x1760 [ 53.278358][ T3596] ? rtnl_setlink+0x3c0/0x3c0 [ 53.283042][ T3596] ? is_bpf_text_address+0x77/0x170 [ 53.288243][ T3596] ? lock_downgrade+0x6e0/0x6e0 [ 53.293089][ T3596] ? unwind_next_frame+0xee1/0x1ce0 [ 53.298275][ T3596] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.304328][ T3596] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 53.310037][ T3596] ? is_bpf_text_address+0x99/0x170 [ 53.315320][ T3596] ? kernel_text_address+0x39/0x80 [ 53.320419][ T3596] ? __kernel_text_address+0x9/0x30 [ 53.325602][ T3596] ? unwind_get_return_address+0x51/0x90 [ 53.331218][ T3596] ? create_prof_cpu_mask+0x20/0x20 [ 53.336406][ T3596] ? arch_stack_walk+0x93/0xe0 [ 53.341190][ T3596] ? kmem_cache_alloc_trace+0x42/0x3d0 [ 53.346642][ T3596] ? rcu_read_lock_sched_held+0x3a/0x70 [ 53.352175][ T3596] rtnl_newlink+0x64/0xa0 [ 53.356495][ T3596] ? __rtnl_newlink+0x1760/0x1760 [ 53.361522][ T3596] rtnetlink_rcv_msg+0x413/0xb80 [ 53.366488][ T3596] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 53.371247][ T3596] netlink_rcv_skb+0x153/0x420 [ 53.376012][ T3596] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 53.380772][ T3596] ? netlink_ack+0xa60/0xa60 [ 53.385348][ T3596] ? netlink_deliver_tap+0x1a2/0xc40 [ 53.390638][ T3596] ? netlink_deliver_tap+0x1b1/0xc40 [ 53.395920][ T3596] netlink_unicast+0x539/0x7e0 [ 53.400763][ T3596] ? netlink_attachskb+0x880/0x880 [ 53.406032][ T3596] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.412262][ T3596] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.418503][ T3596] ? __phys_addr_symbol+0x2c/0x70 [ 53.423690][ T3596] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 53.429485][ T3596] ? __check_object_size+0x16e/0x310 [ 53.434760][ T3596] netlink_sendmsg+0x904/0xe00 [ 53.439580][ T3596] ? netlink_unicast+0x7e0/0x7e0 [ 53.444510][ T3596] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 53.450740][ T3596] ? netlink_unicast+0x7e0/0x7e0 [ 53.455664][ T3596] sock_sendmsg+0xcf/0x120 [ 53.460069][ T3596] __sys_sendto+0x21c/0x320 [ 53.464644][ T3596] ? __ia32_sys_getpeername+0xb0/0xb0 [ 53.470007][ T3596] ? lockdep_hardirqs_on+0x79/0x100 [ 53.475217][ T3596] ? __context_tracking_exit+0xb8/0xe0 [ 53.480684][ T3596] ? lock_downgrade+0x6e0/0x6e0 [ 53.485532][ T3596] __x64_sys_sendto+0xdd/0x1b0 [ 53.490284][ T3596] ? lockdep_hardirqs_on+0x79/0x100 [ 53.495494][ T3596] ? syscall_enter_from_user_mode+0x21/0x70 [ 53.501500][ T3596] do_syscall_64+0x35/0xb0 [ 53.505900][ T3596] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.512196][ T3596] RIP: 0033:0x7f405849de1c [ 53.516629][ T3596] 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 [ 53.537425][ T3596] RSP: 002b:00007fffe42fea10 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 53.545939][ T3596] RAX: ffffffffffffffda RBX: 00007f4059536320 RCX: 00007f405849de1c [ 53.554017][ T3596] RDX: 0000000000000048 RSI: 00007f4059536370 RDI: 0000000000000003 [ 53.562161][ T3596] RBP: 0000000000000000 R08: 00007fffe42fea64 R09: 000000000000000c [ 53.570414][ T3596] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 53.578534][ T3596] R13: 00007f4059536370 R14: 0000000000000003 R15: 0000000000000000 [ 53.586912][ T3596] [ 53.595604][ T3596] device hsr_slave_0 entered promiscuous mode [ 53.604023][ T3596] device hsr_slave_1 entered promiscuous mode [ 53.699209][ T3596] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.710756][ T3596] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.721570][ T3596] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.731876][ T3596] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.756050][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.763697][ T3596] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.772023][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.779283][ T3596] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.835180][ T3596] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.848975][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.861730][ T141] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.871255][ T141] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.880151][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.896921][ T3596] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.907008][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.919513][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.929828][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.937169][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.956835][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.965979][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.975212][ T21] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.982462][ T21] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.990126][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.005185][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.017241][ T1777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.026743][ T1777] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.044524][ T3596] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.057749][ T3596] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.071919][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.082152][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready executing program [ 54.091062][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.099858][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.109297][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.118708][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.127287][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.139718][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.157493][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.165177][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.180482][ T3596] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.301249][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.310086][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.319395][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.328245][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.339148][ T3596] device veth0_vlan entered promiscuous mode [ 54.346785][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.354759][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.367579][ T3596] device veth1_vlan entered promiscuous mode [ 54.387475][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.396481][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.405216][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.415004][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.426715][ T3596] device veth0_macvtap entered promiscuous mode [ 54.437965][ T3596] device veth1_macvtap entered promiscuous mode [ 54.455737][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.463538][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.473070][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.481852][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.490414][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.502109][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.514310][ T3596] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.523612][ T3596] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.532923][ T3596] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.541935][ T3596] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.555734][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.564893][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.639623][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.649320][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.659249][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.679584][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.688940][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.699683][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/21 19:55:27 building call list... [ 54.793857][ T3607] Bluetooth: hci0: command 0x0409 tx timeout [ 54.994934][ T50] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 57.128692][ T3587] can: request_module (can-proto-0) failed. [ 57.152326][ T3587] can: request_module (can-proto-0) failed. [ 57.173623][ T3587] can: request_module (can-proto-0) failed. [ 57.193469][ T3596] syz-executor.0 (3596) used greatest stack depth: 22600 bytes left [ 57.253708][ T50] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0