Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. 2022/02/09 12:58:35 fuzzer started 2022/02/09 12:58:35 connecting to host at 10.128.0.169:46281 2022/02/09 12:58:35 checking machine... 2022/02/09 12:58:35 checking revisions... 2022/02/09 12:58:36 testing simple program... [ 49.572429][ T3604] cgroup: Unknown subsys name 'net' [ 49.708140][ T3604] cgroup: Unknown subsys name 'rlimit' [ 50.943622][ T3609] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.952270][ T3609] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.960647][ T3609] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.968702][ T3609] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.976296][ T3609] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.983676][ T3609] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.075877][ T3606] chnl_net:caif_netlink_parms(): no params data found [ 51.121782][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.129447][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.137937][ T3606] device bridge_slave_0 entered promiscuous mode [ 51.147336][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.154455][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.162504][ T3606] device bridge_slave_1 entered promiscuous mode [ 51.183670][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.195503][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.219471][ T3606] team0: Port device team_slave_0 added [ 51.227308][ T3606] team0: Port device team_slave_1 added [ 51.246226][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.253435][ T3606] 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. [ 51.279821][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.293454][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.300674][ T3606] 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. [ 51.327293][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.352143][ T3606] [ 51.354605][ T3606] ============================= [ 51.359643][ T3606] WARNING: suspicious RCU usage [ 51.364496][ T3606] 5.17.0-rc2-syzkaller-00722-gb4f029f4f433 #0 Not tainted [ 51.371845][ T3606] ----------------------------- [ 51.376743][ T3606] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 51.385101][ T3606] [ 51.385101][ T3606] other info that might help us debug this: [ 51.385101][ T3606] [ 51.395485][ T3606] [ 51.395485][ T3606] rcu_scheduler_active = 2, debug_locks = 1 [ 51.403847][ T3606] 2 locks held by syz-executor.0/3606: [ 51.409351][ T3606] #0: ffffffff8d32c1e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 51.418859][ T3606] #1: ffff88807929d5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 51.429067][ T3606] [ 51.429067][ T3606] stack backtrace: [ 51.434967][ T3606] CPU: 0 PID: 3606 Comm: syz-executor.0 Not tainted 5.17.0-rc2-syzkaller-00722-gb4f029f4f433 #0 [ 51.445593][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.455774][ T3606] Call Trace: [ 51.459155][ T3606] [ 51.462092][ T3606] dump_stack_lvl+0xcd/0x134 [ 51.466875][ T3606] hsr_node_get_first+0x9b/0xb0 [ 51.472598][ T3606] hsr_create_self_node+0x22d/0x650 [ 51.477798][ T3606] hsr_dev_finalize+0x2c1/0x7d0 [ 51.482681][ T3606] hsr_newlink+0x315/0x730 [ 51.487098][ T3606] ? hsr_dellink+0x130/0x130 [ 51.491715][ T3606] ? rtnl_create_link+0x7e8/0xc00 [ 51.496834][ T3606] ? hsr_dellink+0x130/0x130 [ 51.501548][ T3606] __rtnl_newlink+0x107c/0x1760 [ 51.506538][ T3606] ? rtnl_setlink+0x3c0/0x3c0 [ 51.511230][ T3606] ? is_bpf_text_address+0x77/0x170 [ 51.516434][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 51.521484][ T3606] ? unwind_next_frame+0xee1/0x1ce0 [ 51.526814][ T3606] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.532891][ T3606] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 51.538610][ T3606] ? is_bpf_text_address+0x99/0x170 [ 51.543802][ T3606] ? kernel_text_address+0x39/0x80 [ 51.548907][ T3606] ? __kernel_text_address+0x9/0x30 [ 51.554096][ T3606] ? unwind_get_return_address+0x51/0x90 [ 51.559729][ T3606] ? create_prof_cpu_mask+0x20/0x20 [ 51.565041][ T3606] ? arch_stack_walk+0x93/0xe0 [ 51.569844][ T3606] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 51.575410][ T3606] ? rcu_read_lock_sched_held+0x3a/0x70 [ 51.581047][ T3606] rtnl_newlink+0x64/0xa0 [ 51.585582][ T3606] ? __rtnl_newlink+0x1760/0x1760 [ 51.590687][ T3606] rtnetlink_rcv_msg+0x413/0xb80 [ 51.595616][ T3606] ? rtnl_newlink+0xa0/0xa0 [ 51.600204][ T3606] netlink_rcv_skb+0x153/0x420 [ 51.604973][ T3606] ? rtnl_newlink+0xa0/0xa0 [ 51.609579][ T3606] ? netlink_ack+0xa60/0xa60 [ 51.614157][ T3606] ? netlink_deliver_tap+0x1a2/0xc40 [ 51.619432][ T3606] ? netlink_deliver_tap+0x1b1/0xc40 [ 51.624993][ T3606] netlink_unicast+0x539/0x7e0 [ 51.629795][ T3606] ? netlink_attachskb+0x880/0x880 [ 51.634902][ T3606] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.641295][ T3606] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.647626][ T3606] ? __phys_addr_symbol+0x2c/0x70 [ 51.652639][ T3606] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 51.658386][ T3606] ? __check_object_size+0x16e/0x310 [ 51.663717][ T3606] netlink_sendmsg+0x904/0xe00 [ 51.668484][ T3606] ? netlink_unicast+0x7e0/0x7e0 [ 51.673426][ T3606] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.679665][ T3606] ? netlink_unicast+0x7e0/0x7e0 [ 51.684600][ T3606] sock_sendmsg+0xcf/0x120 [ 51.689022][ T3606] __sys_sendto+0x21c/0x320 [ 51.693538][ T3606] ? __ia32_sys_getpeername+0xb0/0xb0 [ 51.698904][ T3606] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.704899][ T3606] ? __context_tracking_exit+0xb8/0xe0 [ 51.710374][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 51.715491][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 51.720353][ T3606] __x64_sys_sendto+0xdd/0x1b0 [ 51.725112][ T3606] ? lockdep_hardirqs_on+0x79/0x100 [ 51.730334][ T3606] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.736365][ T3606] do_syscall_64+0x35/0xb0 [ 51.740799][ T3606] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.746693][ T3606] RIP: 0033:0x7f529f2a8e1c [ 51.751112][ T3606] 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 [ 51.770724][ T3606] RSP: 002b:00007fff5b4a4080 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 51.779123][ T3606] RAX: ffffffffffffffda RBX: 00007f52a0341320 RCX: 00007f529f2a8e1c [ 51.787176][ T3606] RDX: 0000000000000048 RSI: 00007f52a0341370 RDI: 0000000000000003 [ 51.795356][ T3606] RBP: 0000000000000000 R08: 00007fff5b4a40d4 R09: 000000000000000c [ 51.803414][ T3606] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 51.811390][ T3606] R13: 00007f52a0341370 R14: 0000000000000003 R15: 0000000000000000 [ 51.819378][ T3606] [ 51.827379][ T3606] device hsr_slave_0 entered promiscuous mode [ 51.834723][ T3606] device hsr_slave_1 entered promiscuous mode [ 51.919708][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.930735][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.939790][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.949969][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.971859][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.979215][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.987312][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.994427][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.042454][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.054595][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.064451][ T3616] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.073140][ T3616] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.082578][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.097314][ T3606] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.108008][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.118338][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.129953][ T141] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.137204][ T141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.166127][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.175294][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.184657][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.191748][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.199866][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.208524][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.217378][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.226258][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.236054][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.244673][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.253235][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.261816][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.270532][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.279354][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.288471][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.300048][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 52.317100][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.324634][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.337354][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.458822][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.468108][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.485833][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.495685][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.505560][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.513948][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.523637][ T3606] device veth0_vlan entered promiscuous mode [ 52.535291][ T3606] device veth1_vlan entered promiscuous mode [ 52.554625][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.562711][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.571845][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.581169][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.593249][ T3606] device veth0_macvtap entered promiscuous mode [ 52.602723][ T3606] device veth1_macvtap entered promiscuous mode [ 52.617730][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.625286][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.633889][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.642413][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.651390][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.664565][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.673602][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.682334][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.694167][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.703428][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.712699][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.722399][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.786133][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.798856][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.812069][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.824486][ T1357] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.832901][ T1357] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.841901][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/09 12:58:39 building call list... [ 53.082700][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.194584][ T3599] can: request_module (can-proto-0) failed. [ 55.216017][ T3599] can: request_module (can-proto-0) failed. [ 55.236917][ T3599] can: request_module (can-proto-0) failed. executing program [ 55.848978][ T3606] syz-executor.0 (3606) used greatest stack depth: 22400 bytes left [ 55.914216][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0