Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. 2022/02/24 01:45:30 fuzzer started 2022/02/24 01:45:30 connecting to host at 10.128.0.169:33133 2022/02/24 01:45:30 checking machine... 2022/02/24 01:45:30 checking revisions... 2022/02/24 01:45:30 testing simple program... [ 49.031062][ T3593] cgroup: Unknown subsys name 'net' [ 49.135921][ T3593] cgroup: Unknown subsys name 'rlimit' [ 50.368578][ T3598] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.376600][ T3598] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.384250][ T3598] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.393189][ T3598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.400776][ T3598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.408145][ T3600] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.494255][ T3596] chnl_net:caif_netlink_parms(): no params data found [ 50.536201][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.544083][ T3596] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.553063][ T3596] device bridge_slave_0 entered promiscuous mode [ 50.562224][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.569375][ T3596] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.577542][ T3596] device bridge_slave_1 entered promiscuous mode [ 50.598231][ T3596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.609288][ T3596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.632098][ T3596] team0: Port device team_slave_0 added [ 50.639386][ T3596] team0: Port device team_slave_1 added [ 50.656613][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.663577][ T3596] 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. [ 50.689950][ T3596] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.702652][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.709766][ T3596] 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. [ 50.735755][ T3596] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.759815][ T3596] [ 50.762259][ T3596] ============================= [ 50.767183][ T3596] WARNING: suspicious RCU usage [ 50.772023][ T3596] 5.17.0-rc4-syzkaller-01359-g08d4dba6ae77 #0 Not tainted [ 50.779176][ T3596] ----------------------------- [ 50.784017][ T3596] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 50.792197][ T3596] [ 50.792197][ T3596] other info that might help us debug this: [ 50.792197][ T3596] [ 50.802447][ T3596] [ 50.802447][ T3596] rcu_scheduler_active = 2, debug_locks = 1 [ 50.810556][ T3596] 2 locks held by syz-executor.0/3596: [ 50.816046][ T3596] #0: ffffffff8d32f868 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 50.825637][ T3596] #1: ffff88807d70d5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 50.835802][ T3596] [ 50.835802][ T3596] stack backtrace: [ 50.841702][ T3596] CPU: 1 PID: 3596 Comm: syz-executor.0 Not tainted 5.17.0-rc4-syzkaller-01359-g08d4dba6ae77 #0 [ 50.852113][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.862155][ T3596] Call Trace: [ 50.865440][ T3596] [ 50.868369][ T3596] dump_stack_lvl+0xcd/0x134 [ 50.872962][ T3596] hsr_node_get_first+0x9b/0xb0 [ 50.878069][ T3596] hsr_create_self_node+0x22d/0x650 [ 50.883255][ T3596] hsr_dev_finalize+0x2c1/0x7d0 [ 50.888098][ T3596] hsr_newlink+0x315/0x730 [ 50.892508][ T3596] ? hsr_dellink+0x130/0x130 [ 50.897101][ T3596] ? rtnl_create_link+0x7e8/0xc00 [ 50.902124][ T3596] ? hsr_dellink+0x130/0x130 [ 50.906697][ T3596] __rtnl_newlink+0x107c/0x1760 [ 50.911555][ T3596] ? rtnl_setlink+0x3c0/0x3c0 [ 50.916222][ T3596] ? is_bpf_text_address+0x77/0x170 [ 50.921406][ T3596] ? lock_downgrade+0x6e0/0x6e0 [ 50.926250][ T3596] ? unwind_next_frame+0xee1/0x1ce0 [ 50.931608][ T3596] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.937664][ T3596] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 50.943622][ T3596] ? is_bpf_text_address+0x99/0x170 [ 50.948842][ T3596] ? kernel_text_address+0x39/0x80 [ 50.953976][ T3596] ? __kernel_text_address+0x9/0x30 [ 50.959185][ T3596] ? unwind_get_return_address+0x51/0x90 [ 50.965008][ T3596] ? create_prof_cpu_mask+0x20/0x20 [ 50.970203][ T3596] ? arch_stack_walk+0x93/0xe0 [ 50.975019][ T3596] ? kmem_cache_alloc_trace+0x42/0x3d0 [ 50.980491][ T3596] ? rcu_read_lock_sched_held+0x3a/0x70 [ 50.986045][ T3596] rtnl_newlink+0x64/0xa0 [ 50.990373][ T3596] ? __rtnl_newlink+0x1760/0x1760 [ 50.995393][ T3596] rtnetlink_rcv_msg+0x413/0xb80 [ 51.000326][ T3596] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 51.005101][ T3596] netlink_rcv_skb+0x153/0x420 [ 51.009867][ T3596] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 51.014630][ T3596] ? netlink_ack+0xa60/0xa60 [ 51.019219][ T3596] ? netlink_deliver_tap+0x1a2/0xc40 [ 51.024504][ T3596] ? netlink_deliver_tap+0x1b1/0xc40 [ 51.029802][ T3596] netlink_unicast+0x539/0x7e0 [ 51.034656][ T3596] ? netlink_attachskb+0x880/0x880 [ 51.039778][ T3596] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.046122][ T3596] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.052358][ T3596] ? __phys_addr_symbol+0x2c/0x70 [ 51.057376][ T3596] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 51.063178][ T3596] ? __check_object_size+0x16e/0x310 [ 51.068579][ T3596] netlink_sendmsg+0x904/0xe00 [ 51.073367][ T3596] ? netlink_unicast+0x7e0/0x7e0 [ 51.078578][ T3596] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.084931][ T3596] ? netlink_unicast+0x7e0/0x7e0 [ 51.089902][ T3596] sock_sendmsg+0xcf/0x120 [ 51.094418][ T3596] __sys_sendto+0x21c/0x320 [ 51.099527][ T3596] ? __ia32_sys_getpeername+0xb0/0xb0 [ 51.104902][ T3596] ? lockdep_hardirqs_on+0x79/0x100 [ 51.110200][ T3596] ? __context_tracking_exit+0xb8/0xe0 [ 51.115744][ T3596] ? lock_downgrade+0x6e0/0x6e0 [ 51.120598][ T3596] __x64_sys_sendto+0xdd/0x1b0 [ 51.125455][ T3596] ? lockdep_hardirqs_on+0x79/0x100 [ 51.130673][ T3596] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.136575][ T3596] do_syscall_64+0x35/0xb0 [ 51.141094][ T3596] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.146988][ T3596] RIP: 0033:0x7f885e4e8e1c [ 51.151402][ T3596] 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 [ 51.171011][ T3596] RSP: 002b:00007fff1be56320 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 51.179433][ T3596] RAX: ffffffffffffffda RBX: 00007f885f581320 RCX: 00007f885e4e8e1c [ 51.187571][ T3596] RDX: 0000000000000048 RSI: 00007f885f581370 RDI: 0000000000000003 [ 51.196226][ T3596] RBP: 0000000000000000 R08: 00007fff1be56374 R09: 000000000000000c [ 51.204189][ T3596] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 51.212164][ T3596] R13: 00007f885f581370 R14: 0000000000000003 R15: 0000000000000000 [ 51.220165][ T3596] [ 51.227127][ T3596] device hsr_slave_0 entered promiscuous mode [ 51.234579][ T3596] device hsr_slave_1 entered promiscuous mode [ 51.313659][ T3596] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.324860][ T3596] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.333612][ T3596] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.342703][ T3596] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.363094][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.370312][ T3596] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.378322][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.385578][ T3596] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.433384][ T3596] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.446754][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.458463][ T6] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.467975][ T6] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.477777][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.491072][ T3596] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.501533][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.510988][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.519661][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.527804][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.539783][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.548508][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.557549][ T21] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.564627][ T21] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.586067][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.595075][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.603841][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.613145][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.621615][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.630790][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.639364][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.647725][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.659935][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.668344][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.677567][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.690243][ T3596] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.706755][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.714261][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.727364][ T3596] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 51.835561][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.844259][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.859973][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.869547][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.879907][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.888601][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.896998][ T3596] device veth0_vlan entered promiscuous mode [ 51.909597][ T3596] device veth1_vlan entered promiscuous mode [ 51.927926][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.936308][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.944241][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.953184][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.964967][ T3596] device veth0_macvtap entered promiscuous mode [ 51.974206][ T3596] device veth1_macvtap entered promiscuous mode [ 51.989974][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.997746][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.006791][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.015315][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.024311][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.035852][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.046575][ T3596] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.056260][ T3596] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.066024][ T3596] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.074993][ T3596] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.086676][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.095490][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.156437][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.164576][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.178453][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.192575][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.201047][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.210666][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/24 01:45:33 building call list... [ 52.459598][ T976] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.442943][ T3592] can: request_module (can-proto-0) failed. [ 54.466399][ T3592] can: request_module (can-proto-0) failed. [ 54.487238][ T3592] can: request_module (can-proto-0) failed. executing program [ 55.058226][ T976] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.188102][ T3596] syz-executor.0 (3596) used greatest stack depth: 22096 bytes left