Warning: Permanently added '10.128.0.80' (ECDSA) to the list of known hosts. 2022/02/15 11:13:24 fuzzer started 2022/02/15 11:13:25 connecting to host at 10.128.0.169:45407 2022/02/15 11:13:25 checking machine... 2022/02/15 11:13:25 checking revisions... 2022/02/15 11:13:25 testing simple program... syzkaller login: [ 51.815311][ T3592] cgroup: Unknown subsys name 'net' [ 51.944213][ T3592] cgroup: Unknown subsys name 'rlimit' [ 53.178030][ T3598] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.187376][ T3598] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.194842][ T3598] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.203604][ T3598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.211640][ T3598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.219690][ T3598] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.313061][ T3594] chnl_net:caif_netlink_parms(): no params data found [ 53.361416][ T3594] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.369900][ T3594] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.378359][ T3594] device bridge_slave_0 entered promiscuous mode [ 53.387970][ T3594] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.395198][ T3594] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.403965][ T3594] device bridge_slave_1 entered promiscuous mode [ 53.426388][ T3594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.438480][ T3594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.461621][ T3594] team0: Port device team_slave_0 added [ 53.469320][ T3594] team0: Port device team_slave_1 added [ 53.486513][ T3594] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.494955][ T3594] 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. [ 53.522452][ T3594] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.535279][ T3594] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.542410][ T3594] 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. [ 53.570273][ T3594] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.594533][ T3594] [ 53.597093][ T3594] ============================= [ 53.602079][ T3594] WARNING: suspicious RCU usage [ 53.607506][ T3594] 5.17.0-rc4-next-20220215-syzkaller #0 Not tainted [ 53.614111][ T3594] ----------------------------- [ 53.619266][ T3594] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 53.627635][ T3594] [ 53.627635][ T3594] other info that might help us debug this: [ 53.627635][ T3594] [ 53.638421][ T3594] [ 53.638421][ T3594] rcu_scheduler_active = 2, debug_locks = 1 [ 53.646547][ T3594] 2 locks held by syz-executor.0/3594: [ 53.652335][ T3594] #0: ffffffff8d336c68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 53.662302][ T3594] #1: ffff88807294d5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 53.672485][ T3594] [ 53.672485][ T3594] stack backtrace: [ 53.678483][ T3594] CPU: 0 PID: 3594 Comm: syz-executor.0 Not tainted 5.17.0-rc4-next-20220215-syzkaller #0 [ 53.688450][ T3594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.698675][ T3594] Call Trace: [ 53.701953][ T3594] [ 53.704878][ T3594] dump_stack_lvl+0xcd/0x134 [ 53.709818][ T3594] hsr_node_get_first+0x9b/0xb0 [ 53.714660][ T3594] hsr_create_self_node+0x22d/0x650 [ 53.719859][ T3594] hsr_dev_finalize+0x2c1/0x7d0 [ 53.724714][ T3594] hsr_newlink+0x315/0x730 [ 53.729146][ T3594] ? hsr_dellink+0x130/0x130 [ 53.733738][ T3594] ? rtnl_create_link+0x7e8/0xc00 [ 53.738755][ T3594] ? hsr_dellink+0x130/0x130 [ 53.743512][ T3594] __rtnl_newlink+0x107c/0x1760 [ 53.748622][ T3594] ? rtnl_setlink+0x3c0/0x3c0 [ 53.753391][ T3594] ? is_bpf_text_address+0x77/0x170 [ 53.758741][ T3594] ? lock_downgrade+0x6e0/0x6e0 [ 53.763780][ T3594] ? unwind_next_frame+0xee1/0x1ce0 [ 53.769073][ T3594] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.775233][ T3594] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 53.781046][ T3594] ? is_bpf_text_address+0x99/0x170 [ 53.786351][ T3594] ? kernel_text_address+0x39/0x80 [ 53.791893][ T3594] ? __kernel_text_address+0x9/0x30 [ 53.797117][ T3594] ? unwind_get_return_address+0x51/0x90 [ 53.802758][ T3594] ? create_prof_cpu_mask+0x20/0x20 [ 53.807966][ T3594] ? arch_stack_walk+0x93/0xe0 [ 53.812810][ T3594] ? kmem_cache_alloc_trace+0x42/0x3d0 [ 53.818848][ T3594] ? rcu_read_lock_sched_held+0x3a/0x70 [ 53.824599][ T3594] rtnl_newlink+0x64/0xa0 [ 53.829189][ T3594] ? __rtnl_newlink+0x1760/0x1760 [ 53.834228][ T3594] rtnetlink_rcv_msg+0x413/0xb80 [ 53.839167][ T3594] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 53.843972][ T3594] netlink_rcv_skb+0x153/0x420 [ 53.848729][ T3594] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 53.853868][ T3594] ? netlink_ack+0xa80/0xa80 [ 53.858472][ T3594] ? netlink_deliver_tap+0x1a2/0xc40 [ 53.864261][ T3594] ? netlink_deliver_tap+0x1b1/0xc40 [ 53.869811][ T3594] netlink_unicast+0x539/0x7e0 [ 53.875235][ T3594] ? netlink_attachskb+0x880/0x880 [ 53.880489][ T3594] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.886764][ T3594] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 53.893454][ T3594] ? __phys_addr_symbol+0x2c/0x70 [ 53.898486][ T3594] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 53.904238][ T3594] ? __check_object_size+0x16c/0x4f0 [ 53.909522][ T3594] netlink_sendmsg+0x904/0xe00 [ 53.914351][ T3594] ? netlink_unicast+0x7e0/0x7e0 [ 53.919679][ T3594] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 53.926106][ T3594] ? netlink_unicast+0x7e0/0x7e0 [ 53.931284][ T3594] sock_sendmsg+0xcf/0x120 [ 53.935803][ T3594] __sys_sendto+0x21c/0x320 [ 53.940323][ T3594] ? __ia32_sys_getpeername+0xb0/0xb0 [ 53.945699][ T3594] ? lockdep_hardirqs_on+0x79/0x100 [ 53.951003][ T3594] ? __context_tracking_exit+0xb8/0xe0 [ 53.956477][ T3594] ? lock_downgrade+0x6e0/0x6e0 [ 53.961335][ T3594] __x64_sys_sendto+0xdd/0x1b0 [ 53.966096][ T3594] ? lockdep_hardirqs_on+0x79/0x100 [ 53.971287][ T3594] ? syscall_enter_from_user_mode+0x21/0x70 [ 53.977355][ T3594] do_syscall_64+0x35/0xb0 [ 53.981787][ T3594] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.988125][ T3594] RIP: 0033:0x7fe7aa229e1c [ 53.992565][ T3594] 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 [ 54.012579][ T3594] RSP: 002b:00007ffeaf4d30d0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 54.021006][ T3594] RAX: ffffffffffffffda RBX: 00007fe7ab2c2320 RCX: 00007fe7aa229e1c [ 54.029013][ T3594] RDX: 0000000000000048 RSI: 00007fe7ab2c2370 RDI: 0000000000000003 [ 54.036995][ T3594] RBP: 0000000000000000 R08: 00007ffeaf4d3124 R09: 000000000000000c [ 54.045394][ T3594] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 54.053357][ T3594] R13: 00007fe7ab2c2370 R14: 0000000000000003 R15: 0000000000000000 [ 54.061797][ T3594] [ 54.071688][ T3594] device hsr_slave_0 entered promiscuous mode [ 54.078787][ T3594] device hsr_slave_1 entered promiscuous mode [ 54.165582][ T3594] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.176519][ T3594] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.187469][ T3594] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.196473][ T3594] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.220412][ T3594] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.227679][ T3594] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.235587][ T3594] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.242829][ T3594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.289519][ T3594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.302298][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.312298][ T141] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.321373][ T141] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.330592][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.343873][ T3594] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.356032][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.365462][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.375172][ T141] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.382517][ T141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.408224][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.417780][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.426966][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.434101][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.443633][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.453011][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.461860][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.470833][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.479499][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.488970][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.498264][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.507089][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.515592][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.525402][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.535581][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.545892][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 54.567140][ T3594] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.575057][ T1140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.583432][ T1140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.710267][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.720450][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.733450][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.743928][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.753406][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.761595][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.771312][ T3594] device veth0_vlan entered promiscuous mode [ 54.783277][ T3594] device veth1_vlan entered promiscuous mode [ 54.803824][ T3594] device veth0_macvtap entered promiscuous mode [ 54.812233][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.821139][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.829899][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.839009][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.850746][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.860272][ T3594] device veth1_macvtap entered promiscuous mode [ 54.877354][ T3594] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.885246][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.894028][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.903150][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.916149][ T3594] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.924499][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.933858][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.945204][ T3594] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.955173][ T3594] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.964443][ T3594] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.973565][ T3594] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.035158][ T51] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.043523][ T51] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.063242][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.073172][ T82] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.081448][ T82] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.092269][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/15 11:13:28 building call list... [ 55.247916][ T26] Bluetooth: hci0: command 0x0409 tx timeout [ 55.390714][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.472868][ T3588] can: request_module (can-proto-0) failed. [ 57.495522][ T3588] can: request_module (can-proto-0) failed. [ 57.522000][ T3588] can: request_module (can-proto-0) failed. executing program