Warning: Permanently added '10.128.0.215' (ECDSA) to the list of known hosts. 2022/02/11 12:22:33 fuzzer started 2022/02/11 12:22:33 connecting to host at 10.128.0.169:45179 2022/02/11 12:22:33 checking machine... 2022/02/11 12:22:33 checking revisions... 2022/02/11 12:22:33 testing simple program... syzkaller login: [ 48.502757][ T3595] cgroup: Unknown subsys name 'net' [ 48.618284][ T3595] cgroup: Unknown subsys name 'rlimit' [ 49.850171][ T3598] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.858893][ T3600] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.866894][ T3600] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.875302][ T3598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.883064][ T3598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.890906][ T3598] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.984623][ T3597] chnl_net:caif_netlink_parms(): no params data found [ 50.030919][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.038922][ T3597] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.048076][ T3597] device bridge_slave_0 entered promiscuous mode [ 50.058420][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.066029][ T3597] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.074509][ T3597] device bridge_slave_1 entered promiscuous mode [ 50.102403][ T3597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.115506][ T3597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.140406][ T3597] team0: Port device team_slave_0 added [ 50.148753][ T3597] team0: Port device team_slave_1 added [ 50.168392][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.176852][ 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. [ 50.203520][ T3597] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.217762][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.225884][ 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. [ 50.252808][ T3597] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.277398][ T3597] [ 50.279859][ T3597] ============================= [ 50.284773][ T3597] WARNING: suspicious RCU usage [ 50.289653][ T3597] 5.17.0-rc3-syzkaller-00911-gc002496babfd #0 Not tainted [ 50.296842][ T3597] ----------------------------- [ 50.301740][ T3597] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 50.309886][ T3597] [ 50.309886][ T3597] other info that might help us debug this: [ 50.309886][ T3597] [ 50.320358][ T3597] [ 50.320358][ T3597] rcu_scheduler_active = 2, debug_locks = 1 [ 50.328432][ T3597] 2 locks held by syz-executor.0/3597: [ 50.334058][ T3597] #0: ffffffff8d32cb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 50.343826][ T3597] #1: ffff88801dc495f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 50.354201][ T3597] [ 50.354201][ T3597] stack backtrace: [ 50.360138][ T3597] CPU: 1 PID: 3597 Comm: syz-executor.0 Not tainted 5.17.0-rc3-syzkaller-00911-gc002496babfd #0 [ 50.371020][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.381461][ T3597] Call Trace: [ 50.384767][ T3597] [ 50.387770][ T3597] dump_stack_lvl+0xcd/0x134 [ 50.392376][ T3597] hsr_node_get_first+0x9b/0xb0 [ 50.397218][ T3597] hsr_create_self_node+0x22d/0x650 [ 50.402541][ T3597] hsr_dev_finalize+0x2c1/0x7d0 [ 50.407517][ T3597] hsr_newlink+0x315/0x730 [ 50.412121][ T3597] ? hsr_dellink+0x130/0x130 [ 50.416725][ T3597] ? rtnl_create_link+0x7e8/0xc00 [ 50.421756][ T3597] ? hsr_dellink+0x130/0x130 [ 50.426438][ T3597] __rtnl_newlink+0x107c/0x1760 [ 50.431390][ T3597] ? rtnl_setlink+0x3c0/0x3c0 [ 50.436077][ T3597] ? is_bpf_text_address+0x77/0x170 [ 50.441293][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 50.446151][ T3597] ? unwind_next_frame+0xee1/0x1ce0 [ 50.451457][ T3597] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.457714][ T3597] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 50.463451][ T3597] ? is_bpf_text_address+0x99/0x170 [ 50.468667][ T3597] ? kernel_text_address+0x39/0x80 [ 50.473866][ T3597] ? __kernel_text_address+0x9/0x30 [ 50.479070][ T3597] ? unwind_get_return_address+0x51/0x90 [ 50.484695][ T3597] ? create_prof_cpu_mask+0x20/0x20 [ 50.489896][ T3597] ? arch_stack_walk+0x93/0xe0 [ 50.494681][ T3597] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 50.500148][ T3597] ? rcu_read_lock_sched_held+0x3a/0x70 [ 50.505704][ T3597] rtnl_newlink+0x64/0xa0 [ 50.510173][ T3597] ? __rtnl_newlink+0x1760/0x1760 [ 50.515202][ T3597] rtnetlink_rcv_msg+0x413/0xb80 [ 50.520161][ T3597] ? rtnl_newlink+0xa0/0xa0 [ 50.524699][ T3597] netlink_rcv_skb+0x153/0x420 [ 50.529498][ T3597] ? rtnl_newlink+0xa0/0xa0 [ 50.534214][ T3597] ? netlink_ack+0xa60/0xa60 [ 50.538900][ T3597] ? netlink_deliver_tap+0x1a2/0xc40 [ 50.544406][ T3597] ? netlink_deliver_tap+0x1b1/0xc40 [ 50.550251][ T3597] netlink_unicast+0x539/0x7e0 [ 50.555189][ T3597] ? netlink_attachskb+0x880/0x880 [ 50.560390][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 50.566647][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 50.573064][ T3597] ? __phys_addr_symbol+0x2c/0x70 [ 50.578104][ T3597] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 50.584071][ T3597] ? __check_object_size+0x16e/0x310 [ 50.589384][ T3597] netlink_sendmsg+0x904/0xe00 [ 50.594183][ T3597] ? netlink_unicast+0x7e0/0x7e0 [ 50.599359][ T3597] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.605711][ T3597] ? netlink_unicast+0x7e0/0x7e0 [ 50.610661][ T3597] sock_sendmsg+0xcf/0x120 [ 50.615080][ T3597] __sys_sendto+0x21c/0x320 [ 50.619592][ T3597] ? __ia32_sys_getpeername+0xb0/0xb0 [ 50.625268][ T3597] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.631288][ T3597] ? __context_tracking_exit+0xb8/0xe0 [ 50.637207][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 50.642066][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 50.649150][ T3597] __x64_sys_sendto+0xdd/0x1b0 [ 50.653922][ T3597] ? lockdep_hardirqs_on+0x79/0x100 [ 50.659245][ T3597] ? syscall_enter_from_user_mode+0x21/0x70 [ 50.665247][ T3597] do_syscall_64+0x35/0xb0 [ 50.669756][ T3597] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.675744][ T3597] RIP: 0033:0x7ff7deaece1c [ 50.680152][ 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 [ 50.700624][ T3597] RSP: 002b:00007ffcbacd2d60 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 50.709032][ T3597] RAX: ffffffffffffffda RBX: 00007ff7dfb85320 RCX: 00007ff7deaece1c [ 50.717110][ T3597] RDX: 0000000000000048 RSI: 00007ff7dfb85370 RDI: 0000000000000003 [ 50.725189][ T3597] RBP: 0000000000000000 R08: 00007ffcbacd2db4 R09: 000000000000000c [ 50.733509][ T3597] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 50.741478][ T3597] R13: 00007ff7dfb85370 R14: 0000000000000003 R15: 0000000000000000 [ 50.749548][ T3597] [ 50.756700][ T3597] device hsr_slave_0 entered promiscuous mode [ 50.764898][ T3597] device hsr_slave_1 entered promiscuous mode [ 50.851076][ T3597] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.862309][ T3597] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.873487][ T3597] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.884460][ T3597] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.905817][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.913172][ T3597] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.921306][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.928686][ T3597] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.985139][ T3597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.001956][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.013669][ T25] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.023020][ T25] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.032508][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.053143][ T3597] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.063938][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.073227][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.082074][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.089658][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.110929][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.120542][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.129141][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.136798][ T3608] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.144883][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.154411][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.163488][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.173376][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.183484][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.193977][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.203684][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.219054][ T3597] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.229791][ T3597] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.243574][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.253347][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.262532][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.272676][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 51.283235][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.298595][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.307185][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.319528][ T3597] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.452195][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.461386][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.470141][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.478606][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.491308][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.499057][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.507787][ T3597] device veth0_vlan entered promiscuous mode [ 51.520341][ T3597] device veth1_vlan entered promiscuous mode [ 51.541449][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.549705][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.558613][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.567581][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.578974][ T3597] device veth0_macvtap entered promiscuous mode [ 51.589480][ T3597] device veth1_macvtap entered promiscuous mode [ 51.604617][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.613194][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.621616][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.629702][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.638772][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.651795][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.660908][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.669678][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.680913][ T3597] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.689950][ T3597] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.699255][ T3597] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.708237][ T3597] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.773592][ T44] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.782350][ T44] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.793707][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.811302][ T90] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.819625][ T90] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.829422][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/11 12:22:37 building call list... [ 51.921170][ T3608] Bluetooth: hci0: command 0x0409 tx timeout [ 52.099086][ T90] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.154940][ T3590] can: request_module (can-proto-0) failed. [ 54.182516][ T3590] can: request_module (can-proto-0) failed. [ 54.203252][ T3590] can: request_module (can-proto-0) failed. executing program [ 54.680955][ T90] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0