Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts. 2022/02/07 04:52:05 fuzzer started 2022/02/07 04:52:06 connecting to host at 10.128.0.169:33493 2022/02/07 04:52:06 checking machine... 2022/02/07 04:52:06 checking revisions... 2022/02/07 04:52:06 testing simple program... syzkaller login: [ 51.502054][ T3601] cgroup: Unknown subsys name 'net' [ 51.628539][ T3601] cgroup: Unknown subsys name 'rlimit' [ 52.859830][ T3604] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.867954][ T3604] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.875904][ T3607] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.884356][ T3607] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.892419][ T3607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.900029][ T3607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.995858][ T3603] chnl_net:caif_netlink_parms(): no params data found [ 53.041097][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.048810][ T3603] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.056683][ T3603] device bridge_slave_0 entered promiscuous mode [ 53.065829][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.073116][ T3603] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.081054][ T3603] device bridge_slave_1 entered promiscuous mode [ 53.102372][ T3603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.115191][ T3603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.142421][ T3603] team0: Port device team_slave_0 added [ 53.150693][ T3603] team0: Port device team_slave_1 added [ 53.169040][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.176150][ T3603] 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. [ 53.202239][ T3603] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.215614][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.222823][ T3603] 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. [ 53.248950][ T3603] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.273059][ T3603] [ 53.275513][ T3603] ============================= [ 53.280409][ T3603] WARNING: suspicious RCU usage [ 53.285299][ T3603] 5.17.0-rc3-next-20220207-syzkaller #0 Not tainted [ 53.291934][ T3603] ----------------------------- [ 53.296782][ T3603] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 53.305112][ T3603] [ 53.305112][ T3603] other info that might help us debug this: [ 53.305112][ T3603] [ 53.315490][ T3603] [ 53.315490][ T3603] rcu_scheduler_active = 2, debug_locks = 1 [ 53.323951][ T3603] 2 locks held by syz-executor.0/3603: [ 53.329481][ T3603] #0: ffffffff8d3353a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 53.339051][ T3603] #1: ffff88806e13d5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 53.349227][ T3603] [ 53.349227][ T3603] stack backtrace: [ 53.355143][ T3603] CPU: 0 PID: 3603 Comm: syz-executor.0 Not tainted 5.17.0-rc3-next-20220207-syzkaller #0 [ 53.365296][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.375385][ T3603] Call Trace: [ 53.378706][ T3603] [ 53.381669][ T3603] dump_stack_lvl+0xcd/0x134 [ 53.386303][ T3603] hsr_node_get_first+0x9b/0xb0 [ 53.391174][ T3603] hsr_create_self_node+0x22d/0x650 [ 53.396406][ T3603] hsr_dev_finalize+0x2c1/0x7d0 [ 53.401282][ T3603] hsr_newlink+0x315/0x730 [ 53.405706][ T3603] ? hsr_dellink+0x130/0x130 [ 53.410315][ T3603] ? rtnl_create_link+0x7e8/0xc00 [ 53.415348][ T3603] ? hsr_dellink+0x130/0x130 [ 53.420082][ T3603] __rtnl_newlink+0x107c/0x1760 [ 53.425017][ T3603] ? rtnl_setlink+0x3c0/0x3c0 [ 53.429724][ T3603] ? is_bpf_text_address+0x77/0x170 [ 53.434960][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 53.439891][ T3603] ? unwind_next_frame+0xee1/0x1ce0 [ 53.445141][ T3603] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.451225][ T3603] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 53.457073][ T3603] ? is_bpf_text_address+0x99/0x170 [ 53.462431][ T3603] ? kernel_text_address+0x39/0x80 [ 53.467565][ T3603] ? __kernel_text_address+0x9/0x30 [ 53.472768][ T3603] ? unwind_get_return_address+0x51/0x90 [ 53.478435][ T3603] ? create_prof_cpu_mask+0x20/0x20 [ 53.483638][ T3603] ? arch_stack_walk+0x93/0xe0 [ 53.488456][ T3603] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 53.493941][ T3603] ? rcu_read_lock_sched_held+0x3a/0x70 [ 53.499615][ T3603] rtnl_newlink+0x64/0xa0 [ 53.504055][ T3603] ? __rtnl_newlink+0x1760/0x1760 [ 53.509087][ T3603] rtnetlink_rcv_msg+0x413/0xb80 [ 53.514040][ T3603] ? rtnl_newlink+0xa0/0xa0 [ 53.518560][ T3603] netlink_rcv_skb+0x153/0x420 [ 53.523350][ T3603] ? rtnl_newlink+0xa0/0xa0 [ 53.527856][ T3603] ? netlink_ack+0xa80/0xa80 [ 53.532459][ T3603] ? netlink_deliver_tap+0x1a2/0xc40 [ 53.537776][ T3603] ? netlink_deliver_tap+0x1b1/0xc40 [ 53.543078][ T3603] netlink_unicast+0x539/0x7e0 [ 53.547949][ T3603] ? netlink_attachskb+0x880/0x880 [ 53.553160][ T3603] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.559419][ T3603] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.565688][ T3603] ? __phys_addr_symbol+0x2c/0x70 [ 53.570742][ T3603] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 53.576492][ T3603] ? __check_object_size+0x16c/0x4f0 [ 53.581791][ T3603] netlink_sendmsg+0x904/0xe00 [ 53.586665][ T3603] ? netlink_unicast+0x7e0/0x7e0 [ 53.591695][ T3603] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 53.597945][ T3603] ? netlink_unicast+0x7e0/0x7e0 [ 53.602888][ T3603] sock_sendmsg+0xcf/0x120 [ 53.607320][ T3603] __sys_sendto+0x21c/0x320 [ 53.611853][ T3603] ? __ia32_sys_getpeername+0xb0/0xb0 [ 53.617341][ T3603] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 53.623364][ T3603] ? __context_tracking_exit+0xb8/0xe0 [ 53.628839][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 53.633696][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 53.638563][ T3603] __x64_sys_sendto+0xdd/0x1b0 [ 53.643352][ T3603] ? lockdep_hardirqs_on+0x79/0x100 [ 53.648554][ T3603] ? syscall_enter_from_user_mode+0x21/0x70 [ 53.654495][ T3603] do_syscall_64+0x35/0xb0 [ 53.658956][ T3603] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.664873][ T3603] RIP: 0033:0x7f99721f1e1c [ 53.669290][ T3603] 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 [ 53.688903][ T3603] RSP: 002b:00007ffe5c163460 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 53.697341][ T3603] RAX: ffffffffffffffda RBX: 00007f997328a320 RCX: 00007f99721f1e1c [ 53.705326][ T3603] RDX: 0000000000000048 RSI: 00007f997328a370 RDI: 0000000000000003 [ 53.713332][ T3603] RBP: 0000000000000000 R08: 00007ffe5c1634b4 R09: 000000000000000c [ 53.721308][ T3603] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 53.729274][ T3603] R13: 00007f997328a370 R14: 0000000000000003 R15: 0000000000000000 [ 53.737255][ T3603] [ 53.752018][ T3603] device hsr_slave_0 entered promiscuous mode [ 53.759827][ T3603] device hsr_slave_1 entered promiscuous mode [ 53.854051][ T3603] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.864776][ T3603] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.874271][ T3603] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.883855][ T3603] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.905759][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.913025][ T3603] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.921210][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.928279][ T3603] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.979218][ T3603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.992995][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.004008][ T6] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.013704][ T6] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.022070][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.035464][ T3603] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.049883][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.058543][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.067345][ T6] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.074499][ T6] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.082726][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.091575][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.100267][ T6] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.107377][ T6] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.125864][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.134695][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.147642][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.157331][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.166839][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.178317][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.187073][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.201498][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.210185][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.224437][ T3603] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.236613][ T3603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.245004][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.253375][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.270554][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.278195][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program [ 54.292138][ T3603] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.409546][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.418370][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.432306][ T3603] device veth0_vlan entered promiscuous mode [ 54.441247][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.449977][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.492777][ T3603] device veth1_vlan entered promiscuous mode [ 54.500519][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.508293][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.516356][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.537763][ T3603] device veth0_macvtap entered promiscuous mode [ 54.546800][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.555537][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.564688][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.575619][ T3603] device veth1_macvtap entered promiscuous mode [ 54.583302][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.591911][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.611275][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.619006][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.627711][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.640845][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.648392][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.657821][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.669217][ T3603] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.678137][ T3603] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.687204][ T3603] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.696864][ T3603] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.758489][ T962] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.776988][ T962] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.790434][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.798457][ T962] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.807291][ T962] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.817854][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/07 04:52:09 building call list... [ 54.929995][ T918] Bluetooth: hci0: command 0x0409 tx timeout [ 57.033600][ T3625] can: request_module (can-proto-0) failed. [ 57.056840][ T3625] can: request_module (can-proto-0) failed. [ 57.077990][ T3625] can: request_module (can-proto-0) failed. executing program [ 57.324546][ T3603] syz-executor.0 (3603) used greatest stack depth: 22856 bytes left [ 57.356597][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0