Warning: Permanently added '10.128.0.186' (ECDSA) to the list of known hosts. 2022/02/14 13:46:12 fuzzer started 2022/02/14 13:46:12 connecting to host at 10.128.0.169:39079 2022/02/14 13:46:12 checking machine... 2022/02/14 13:46:12 checking revisions... 2022/02/14 13:46:12 testing simple program... syzkaller login: [ 47.499083][ T3596] cgroup: Unknown subsys name 'net' [ 47.637204][ T3596] cgroup: Unknown subsys name 'rlimit' [ 48.844117][ T3600] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.852282][ T3600] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.860039][ T3600] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.868341][ T3600] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.876437][ T3600] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 48.883767][ T3600] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 48.970977][ T3598] chnl_net:caif_netlink_parms(): no params data found [ 49.012913][ T3598] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.020407][ T3598] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.028462][ T3598] device bridge_slave_0 entered promiscuous mode [ 49.038231][ T3598] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.046047][ T3598] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.054180][ T3598] device bridge_slave_1 entered promiscuous mode [ 49.075874][ T3598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.086746][ T3598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.108670][ T3598] team0: Port device team_slave_0 added [ 49.115916][ T3598] team0: Port device team_slave_1 added [ 49.133355][ T3598] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.140725][ T3598] 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. [ 49.167418][ T3598] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.180878][ T3598] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.187841][ T3598] 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. [ 49.213975][ T3598] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.237684][ T3598] [ 49.240135][ T3598] ============================= [ 49.244964][ T3598] WARNING: suspicious RCU usage [ 49.249841][ T3598] 5.17.0-rc3-syzkaller-01143-g88f62aea1cff #0 Not tainted [ 49.256947][ T3598] ----------------------------- [ 49.261903][ T3598] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 49.270094][ T3598] [ 49.270094][ T3598] other info that might help us debug this: [ 49.270094][ T3598] [ 49.280368][ T3598] [ 49.280368][ T3598] rcu_scheduler_active = 2, debug_locks = 1 [ 49.288536][ T3598] 2 locks held by syz-executor.0/3598: [ 49.294140][ T3598] #0: ffffffff8d32cba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 49.303670][ T3598] #1: ffff888077a955f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 49.313840][ T3598] [ 49.313840][ T3598] stack backtrace: [ 49.319783][ T3598] CPU: 1 PID: 3598 Comm: syz-executor.0 Not tainted 5.17.0-rc3-syzkaller-01143-g88f62aea1cff #0 [ 49.330390][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.340444][ T3598] Call Trace: [ 49.343709][ T3598] [ 49.346624][ T3598] dump_stack_lvl+0xcd/0x134 [ 49.351238][ T3598] hsr_node_get_first+0x9b/0xb0 [ 49.356106][ T3598] hsr_create_self_node+0x22d/0x650 [ 49.361308][ T3598] hsr_dev_finalize+0x2c1/0x7d0 [ 49.366161][ T3598] hsr_newlink+0x315/0x730 [ 49.370766][ T3598] ? hsr_dellink+0x130/0x130 [ 49.375363][ T3598] ? rtnl_create_link+0x7e8/0xc00 [ 49.380451][ T3598] ? hsr_dellink+0x130/0x130 [ 49.385144][ T3598] __rtnl_newlink+0x107c/0x1760 [ 49.390022][ T3598] ? rtnl_setlink+0x3c0/0x3c0 [ 49.394720][ T3598] ? is_bpf_text_address+0x77/0x170 [ 49.399931][ T3598] ? lock_downgrade+0x6e0/0x6e0 [ 49.404800][ T3598] ? unwind_next_frame+0xee1/0x1ce0 [ 49.410005][ T3598] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.416546][ T3598] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 49.422287][ T3598] ? is_bpf_text_address+0x99/0x170 [ 49.427493][ T3598] ? kernel_text_address+0x39/0x80 [ 49.432606][ T3598] ? __kernel_text_address+0x9/0x30 [ 49.437805][ T3598] ? unwind_get_return_address+0x51/0x90 [ 49.443524][ T3598] ? create_prof_cpu_mask+0x20/0x20 [ 49.448731][ T3598] ? arch_stack_walk+0x93/0xe0 [ 49.453636][ T3598] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 49.459115][ T3598] ? rcu_read_lock_sched_held+0x3a/0x70 [ 49.464666][ T3598] rtnl_newlink+0x64/0xa0 [ 49.469018][ T3598] ? __rtnl_newlink+0x1760/0x1760 [ 49.474129][ T3598] rtnetlink_rcv_msg+0x413/0xb80 [ 49.479079][ T3598] ? rtnl_newlink+0xa0/0xa0 [ 49.483597][ T3598] netlink_rcv_skb+0x153/0x420 [ 49.488360][ T3598] ? rtnl_newlink+0xa0/0xa0 [ 49.492864][ T3598] ? netlink_ack+0xa60/0xa60 [ 49.497453][ T3598] ? netlink_deliver_tap+0x1a2/0xc40 [ 49.502750][ T3598] ? netlink_deliver_tap+0x1b1/0xc40 [ 49.508300][ T3598] netlink_unicast+0x539/0x7e0 [ 49.513071][ T3598] ? netlink_attachskb+0x880/0x880 [ 49.518262][ T3598] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 49.524516][ T3598] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 49.530759][ T3598] ? __phys_addr_symbol+0x2c/0x70 [ 49.535783][ T3598] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 49.541501][ T3598] ? __check_object_size+0x16e/0x310 [ 49.546799][ T3598] netlink_sendmsg+0x904/0xe00 [ 49.551571][ T3598] ? netlink_unicast+0x7e0/0x7e0 [ 49.556537][ T3598] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.562947][ T3598] ? netlink_unicast+0x7e0/0x7e0 [ 49.567921][ T3598] sock_sendmsg+0xcf/0x120 [ 49.572362][ T3598] __sys_sendto+0x21c/0x320 [ 49.576921][ T3598] ? __ia32_sys_getpeername+0xb0/0xb0 [ 49.582325][ T3598] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.588373][ T3598] ? __context_tracking_exit+0xb8/0xe0 [ 49.593853][ T3598] ? lock_downgrade+0x6e0/0x6e0 [ 49.598715][ T3598] ? lock_downgrade+0x6e0/0x6e0 [ 49.603586][ T3598] __x64_sys_sendto+0xdd/0x1b0 [ 49.608355][ T3598] ? lockdep_hardirqs_on+0x79/0x100 [ 49.613554][ T3598] ? syscall_enter_from_user_mode+0x21/0x70 [ 49.619451][ T3598] do_syscall_64+0x35/0xb0 [ 49.623867][ T3598] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.629778][ T3598] RIP: 0033:0x7f0e8fd58e1c [ 49.634201][ T3598] 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 [ 49.654071][ T3598] RSP: 002b:00007ffe906bcc40 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 49.662481][ T3598] RAX: ffffffffffffffda RBX: 00007f0e90df1320 RCX: 00007f0e8fd58e1c [ 49.670472][ T3598] RDX: 0000000000000048 RSI: 00007f0e90df1370 RDI: 0000000000000003 [ 49.678438][ T3598] RBP: 0000000000000000 R08: 00007ffe906bcc94 R09: 000000000000000c [ 49.686488][ T3598] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 49.694582][ T3598] R13: 00007f0e90df1370 R14: 0000000000000003 R15: 0000000000000000 [ 49.702663][ T3598] [ 49.712426][ T3598] device hsr_slave_0 entered promiscuous mode [ 49.720186][ T3598] device hsr_slave_1 entered promiscuous mode [ 49.841914][ T3598] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.854746][ T3598] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.865786][ T3598] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.876106][ T3598] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.905187][ T3598] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.912538][ T3598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.920497][ T3598] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.927566][ T3598] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.973079][ T3598] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.985983][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.996772][ T3608] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.005387][ T3608] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.014586][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.027323][ T3598] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.042591][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.052010][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.060589][ T3609] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.067664][ T3609] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.089827][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.098786][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.108487][ T917] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.115603][ T917] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.124483][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.134096][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.143877][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.152928][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.162204][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.171006][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.179516][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.189019][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.201464][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.209257][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.217982][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.229035][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 50.246808][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.254301][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.267420][ T3598] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.390466][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.399054][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.409555][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.419490][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.428150][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.436807][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.447320][ T3598] device veth0_vlan entered promiscuous mode [ 50.458761][ T3598] device veth1_vlan entered promiscuous mode [ 50.477048][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.485512][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.493933][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.502915][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.514585][ T3598] device veth0_macvtap entered promiscuous mode [ 50.524170][ T3598] device veth1_macvtap entered promiscuous mode [ 50.539685][ T3598] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.548313][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.556715][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.564887][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.573915][ T917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.587082][ T3598] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.595671][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.604631][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.615344][ T3598] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.624950][ T3598] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.634660][ T3598] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.643690][ T3598] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.703216][ T991] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.720939][ T991] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.730410][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.730892][ T44] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.747301][ T44] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.757514][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/14 13:46:16 building call list... [ 50.911985][ T3608] Bluetooth: hci0: command 0x0409 tx timeout [ 52.991651][ T3589] can: request_module (can-proto-0) failed. [ 53.013962][ T3589] can: request_module (can-proto-0) failed. [ 53.035223][ T3589] can: request_module (can-proto-0) failed. executing program [ 53.517795][ T54] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0