Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. 2022/02/18 11:28:00 fuzzer started 2022/02/18 11:28:00 connecting to host at 10.128.0.169:34007 2022/02/18 11:28:00 checking machine... 2022/02/18 11:28:00 checking revisions... 2022/02/18 11:28:01 testing simple program... syzkaller login: [ 42.604188][ T3590] cgroup: Unknown subsys name 'net' [ 42.726151][ T3590] cgroup: Unknown subsys name 'rlimit' [ 43.935975][ T3598] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.944183][ T3598] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.951897][ T3598] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.960101][ T3598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.967783][ T3598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.975220][ T3598] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.061176][ T3593] chnl_net:caif_netlink_parms(): no params data found [ 44.102590][ T3593] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.110233][ T3593] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.117926][ T3593] device bridge_slave_0 entered promiscuous mode [ 44.126745][ T3593] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.134838][ T3593] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.142690][ T3593] device bridge_slave_1 entered promiscuous mode [ 44.166148][ T3593] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 44.177600][ T3593] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 44.200616][ T3593] team0: Port device team_slave_0 added [ 44.207718][ T3593] team0: Port device team_slave_1 added [ 44.225298][ T3593] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 44.232331][ T3593] 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. [ 44.258252][ T3593] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 44.270718][ T3593] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 44.277650][ T3593] 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. [ 44.303668][ T3593] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.327191][ T3593] [ 44.329661][ T3593] ============================= [ 44.334485][ T3593] WARNING: suspicious RCU usage [ 44.339311][ T3593] 5.17.0-rc4-syzkaller-01337-g8467fadc115c #0 Not tainted [ 44.346443][ T3593] ----------------------------- [ 44.351301][ T3593] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 44.359432][ T3593] [ 44.359432][ T3593] other info that might help us debug this: [ 44.359432][ T3593] [ 44.369680][ T3593] [ 44.369680][ T3593] rcu_scheduler_active = 2, debug_locks = 1 [ 44.377733][ T3593] 2 locks held by syz-executor.0/3593: [ 44.383219][ T3593] #0: ffffffff8d32f868 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 44.392699][ T3593] #1: ffff88801f0f15f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 44.402819][ T3593] [ 44.402819][ T3593] stack backtrace: [ 44.408699][ T3593] CPU: 1 PID: 3593 Comm: syz-executor.0 Not tainted 5.17.0-rc4-syzkaller-01337-g8467fadc115c #0 [ 44.419088][ T3593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.429124][ T3593] Call Trace: [ 44.432386][ T3593] [ 44.435312][ T3593] dump_stack_lvl+0xcd/0x134 [ 44.439894][ T3593] hsr_node_get_first+0x9b/0xb0 [ 44.444738][ T3593] hsr_create_self_node+0x22d/0x650 [ 44.449918][ T3593] hsr_dev_finalize+0x2c1/0x7d0 [ 44.454754][ T3593] hsr_newlink+0x315/0x730 [ 44.459162][ T3593] ? hsr_dellink+0x130/0x130 [ 44.463733][ T3593] ? rtnl_create_link+0x7e8/0xc00 [ 44.468739][ T3593] ? hsr_dellink+0x130/0x130 [ 44.473308][ T3593] __rtnl_newlink+0x107c/0x1760 [ 44.478245][ T3593] ? rtnl_setlink+0x3c0/0x3c0 [ 44.482921][ T3593] ? is_bpf_text_address+0x77/0x170 [ 44.488204][ T3593] ? lock_downgrade+0x6e0/0x6e0 [ 44.493138][ T3593] ? unwind_next_frame+0xee1/0x1ce0 [ 44.498328][ T3593] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 44.504388][ T3593] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 44.510111][ T3593] ? is_bpf_text_address+0x99/0x170 [ 44.515297][ T3593] ? kernel_text_address+0x39/0x80 [ 44.520414][ T3593] ? __kernel_text_address+0x9/0x30 [ 44.525596][ T3593] ? unwind_get_return_address+0x51/0x90 [ 44.531393][ T3593] ? create_prof_cpu_mask+0x20/0x20 [ 44.536589][ T3593] ? arch_stack_walk+0x93/0xe0 [ 44.541381][ T3593] ? kmem_cache_alloc_trace+0x42/0x3d0 [ 44.546840][ T3593] ? rcu_read_lock_sched_held+0x3a/0x70 [ 44.552386][ T3593] rtnl_newlink+0x64/0xa0 [ 44.556710][ T3593] ? __rtnl_newlink+0x1760/0x1760 [ 44.561727][ T3593] rtnetlink_rcv_msg+0x413/0xb80 [ 44.566654][ T3593] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 44.571410][ T3593] netlink_rcv_skb+0x153/0x420 [ 44.576160][ T3593] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 44.580921][ T3593] ? netlink_ack+0xa60/0xa60 [ 44.585500][ T3593] ? netlink_deliver_tap+0x1a2/0xc40 [ 44.590769][ T3593] ? netlink_deliver_tap+0x1b1/0xc40 [ 44.596040][ T3593] netlink_unicast+0x539/0x7e0 [ 44.600791][ T3593] ? netlink_attachskb+0x880/0x880 [ 44.605883][ T3593] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 44.612132][ T3593] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 44.618371][ T3593] ? __phys_addr_symbol+0x2c/0x70 [ 44.623384][ T3593] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 44.629094][ T3593] ? __check_object_size+0x16e/0x310 [ 44.634369][ T3593] netlink_sendmsg+0x904/0xe00 [ 44.639125][ T3593] ? netlink_unicast+0x7e0/0x7e0 [ 44.644054][ T3593] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 44.650281][ T3593] ? netlink_unicast+0x7e0/0x7e0 [ 44.655207][ T3593] sock_sendmsg+0xcf/0x120 [ 44.659613][ T3593] __sys_sendto+0x21c/0x320 [ 44.664110][ T3593] ? __ia32_sys_getpeername+0xb0/0xb0 [ 44.669477][ T3593] ? lockdep_hardirqs_on+0x79/0x100 [ 44.674676][ T3593] ? __context_tracking_exit+0xb8/0xe0 [ 44.680123][ T3593] ? lock_downgrade+0x6e0/0x6e0 [ 44.684978][ T3593] __x64_sys_sendto+0xdd/0x1b0 [ 44.689726][ T3593] ? lockdep_hardirqs_on+0x79/0x100 [ 44.695003][ T3593] ? syscall_enter_from_user_mode+0x21/0x70 [ 44.700877][ T3593] do_syscall_64+0x35/0xb0 [ 44.705277][ T3593] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 44.711153][ T3593] RIP: 0033:0x7f49efea4e1c [ 44.715551][ T3593] 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 [ 44.735136][ T3593] RSP: 002b:00007ffc58a35920 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 44.743530][ T3593] RAX: ffffffffffffffda RBX: 00007f49f0f3d320 RCX: 00007f49efea4e1c [ 44.751482][ T3593] RDX: 0000000000000048 RSI: 00007f49f0f3d370 RDI: 0000000000000003 [ 44.759443][ T3593] RBP: 0000000000000000 R08: 00007ffc58a35974 R09: 000000000000000c [ 44.767394][ T3593] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 44.775344][ T3593] R13: 00007f49f0f3d370 R14: 0000000000000003 R15: 0000000000000000 [ 44.783319][ T3593] [ 44.794268][ T3593] device hsr_slave_0 entered promiscuous mode [ 44.801424][ T3593] device hsr_slave_1 entered promiscuous mode [ 44.879698][ T3593] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.890104][ T3593] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.898730][ T3593] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.907819][ T3593] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.928276][ T3593] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.935449][ T3593] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.943366][ T3593] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.950547][ T3593] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.993859][ T3593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.006287][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.017365][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.025511][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.034399][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.046737][ T3593] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.058386][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.066923][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.074000][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.085460][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.094705][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.103346][ T21] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.110452][ T21] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.131023][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.140599][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.149141][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.158052][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.166527][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.175994][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.184439][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.192757][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.203638][ T3593] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.215384][ T3593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.224292][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.232202][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.240830][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.260048][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.267430][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.277051][ T3593] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.379951][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.388462][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.406852][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.415595][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready executing program [ 45.426117][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.434396][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.442310][ T3593] device veth0_vlan entered promiscuous mode [ 45.453616][ T3593] device veth1_vlan entered promiscuous mode [ 45.473038][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.481057][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.488899][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.497661][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.509432][ T3593] device veth0_macvtap entered promiscuous mode [ 45.519080][ T3593] device veth1_macvtap entered promiscuous mode [ 45.533703][ T3593] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.541299][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.549187][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.557124][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.565623][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.578010][ T3593] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.585475][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.594242][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.605567][ T3593] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.614483][ T3593] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.623206][ T3593] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.632453][ T3593] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.690993][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.699090][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.716548][ T968] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.718947][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.724889][ T968] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.741083][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/18 11:28:04 building call list... [ 45.986607][ T1292] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.076816][ T3618] can: request_module (can-proto-0) failed. [ 48.100269][ T3618] can: request_module (can-proto-0) failed. [ 48.120016][ T3618] can: request_module (can-proto-0) failed. executing program [ 48.516839][ T3593] syz-executor.0 (3593) used greatest stack depth: 22528 bytes left [ 48.580972][ T1292] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0