Warning: Permanently added '10.128.1.67' (ECDSA) to the list of known hosts. 2022/02/21 20:03:46 fuzzer started 2022/02/21 20:03:46 connecting to host at 10.128.0.169:37187 2022/02/21 20:03:46 checking machine... 2022/02/21 20:03:46 checking revisions... 2022/02/21 20:03:47 testing simple program... syzkaller login: [ 48.923596][ T3600] cgroup: Unknown subsys name 'net' [ 49.043959][ T3600] cgroup: Unknown subsys name 'rlimit' [ 50.264407][ T3605] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.272877][ T3605] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.280699][ T3605] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.288503][ T3605] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.295931][ T3605] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.303854][ T3605] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.393861][ T3602] chnl_net:caif_netlink_parms(): no params data found [ 50.436711][ T3602] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.444333][ T3602] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.452562][ T3602] device bridge_slave_0 entered promiscuous mode [ 50.461830][ T3602] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.469528][ T3602] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.477183][ T3602] device bridge_slave_1 entered promiscuous mode [ 50.498162][ T3602] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.509551][ T3602] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.531574][ T3602] team0: Port device team_slave_0 added [ 50.539600][ T3602] team0: Port device team_slave_1 added [ 50.556130][ T3602] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.563809][ T3602] 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. [ 50.589957][ T3602] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.603105][ T3602] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.610243][ T3602] 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. [ 50.636432][ T3602] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.661226][ T3602] [ 50.663656][ T3602] ============================= [ 50.668747][ T3602] WARNING: suspicious RCU usage [ 50.673591][ T3602] 5.17.0-rc4-next-20220217-syzkaller #0 Not tainted [ 50.680206][ T3602] ----------------------------- [ 50.685047][ T3602] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 50.693226][ T3602] [ 50.693226][ T3602] other info that might help us debug this: [ 50.693226][ T3602] [ 50.703471][ T3602] [ 50.703471][ T3602] rcu_scheduler_active = 2, debug_locks = 1 [ 50.711589][ T3602] 2 locks held by syz-executor.0/3602: [ 50.717054][ T3602] #0: ffffffff8d539528 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 50.726600][ T3602] #1: ffff88801facd5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 50.736768][ T3602] [ 50.736768][ T3602] stack backtrace: [ 50.742794][ T3602] CPU: 0 PID: 3602 Comm: syz-executor.0 Not tainted 5.17.0-rc4-next-20220217-syzkaller #0 [ 50.752693][ T3602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.762825][ T3602] Call Trace: [ 50.766087][ T3602] [ 50.769005][ T3602] dump_stack_lvl+0xcd/0x134 [ 50.773590][ T3602] hsr_node_get_first+0x9b/0xb0 [ 50.778431][ T3602] hsr_create_self_node+0x22d/0x650 [ 50.783626][ T3602] hsr_dev_finalize+0x2c1/0x7d0 [ 50.788468][ T3602] hsr_newlink+0x315/0x730 [ 50.792883][ T3602] ? hsr_dellink+0x130/0x130 [ 50.797455][ T3602] ? rtnl_create_link+0x7e8/0xc00 [ 50.802464][ T3602] ? hsr_dellink+0x130/0x130 [ 50.807034][ T3602] __rtnl_newlink+0x107c/0x1760 [ 50.811909][ T3602] ? rtnl_setlink+0x3c0/0x3c0 [ 50.816579][ T3602] ? is_bpf_text_address+0x77/0x170 [ 50.821765][ T3602] ? lock_downgrade+0x6e0/0x6e0 [ 50.826617][ T3602] ? unwind_next_frame+0xee1/0x1ce0 [ 50.831803][ T3602] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.837885][ T3602] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 50.843712][ T3602] ? is_bpf_text_address+0x99/0x170 [ 50.848920][ T3602] ? kernel_text_address+0x39/0x80 [ 50.854183][ T3602] ? __kernel_text_address+0x9/0x30 [ 50.859410][ T3602] ? unwind_get_return_address+0x51/0x90 [ 50.865065][ T3602] ? create_prof_cpu_mask+0x20/0x20 [ 50.870283][ T3602] ? arch_stack_walk+0x93/0xe0 [ 50.875126][ T3602] ? kmem_cache_alloc_trace+0x42/0x3d0 [ 50.880622][ T3602] ? rcu_read_lock_sched_held+0x3a/0x70 [ 50.886185][ T3602] rtnl_newlink+0x64/0xa0 [ 50.890533][ T3602] ? __rtnl_newlink+0x1760/0x1760 [ 50.895577][ T3602] rtnetlink_rcv_msg+0x413/0xb80 [ 50.900573][ T3602] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 50.905386][ T3602] netlink_rcv_skb+0x153/0x420 [ 50.910189][ T3602] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 50.914982][ T3602] ? netlink_ack+0xa80/0xa80 [ 50.919596][ T3602] ? netlink_deliver_tap+0x1a2/0xc40 [ 50.924898][ T3602] ? netlink_deliver_tap+0x1b1/0xc40 [ 50.930202][ T3602] netlink_unicast+0x539/0x7e0 [ 50.934988][ T3602] ? netlink_attachskb+0x880/0x880 [ 50.940102][ T3602] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 50.946449][ T3602] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 50.952701][ T3602] ? __phys_addr_symbol+0x2c/0x70 [ 50.957730][ T3602] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 50.963459][ T3602] ? __check_object_size+0x16c/0x4f0 [ 50.968751][ T3602] netlink_sendmsg+0x904/0xe00 [ 50.973526][ T3602] ? netlink_unicast+0x7e0/0x7e0 [ 50.978473][ T3602] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.984730][ T3602] ? netlink_unicast+0x7e0/0x7e0 [ 50.989668][ T3602] sock_sendmsg+0xcf/0x120 [ 50.994111][ T3602] __sys_sendto+0x21c/0x320 [ 50.998624][ T3602] ? __ia32_sys_getpeername+0xb0/0xb0 [ 51.004004][ T3602] ? lockdep_hardirqs_on+0x79/0x100 [ 51.009227][ T3602] ? __context_tracking_exit+0xb8/0xe0 [ 51.014700][ T3602] ? lock_downgrade+0x6e0/0x6e0 [ 51.019660][ T3602] __x64_sys_sendto+0xdd/0x1b0 [ 51.024438][ T3602] ? lockdep_hardirqs_on+0x79/0x100 [ 51.029655][ T3602] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.035555][ T3602] do_syscall_64+0x35/0xb0 [ 51.039976][ T3602] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.045885][ T3602] RIP: 0033:0x7f618befce1c [ 51.050342][ T3602] 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 [ 51.069961][ T3602] RSP: 002b:00007ffe4eb64e20 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 51.078379][ T3602] RAX: ffffffffffffffda RBX: 00007f618cf95320 RCX: 00007f618befce1c [ 51.086356][ T3602] RDX: 0000000000000048 RSI: 00007f618cf95370 RDI: 0000000000000003 [ 51.094324][ T3602] RBP: 0000000000000000 R08: 00007ffe4eb64e74 R09: 000000000000000c [ 51.102289][ T3602] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 51.110255][ T3602] R13: 00007f618cf95370 R14: 0000000000000003 R15: 0000000000000000 [ 51.118238][ T3602] [ 51.127729][ T3602] device hsr_slave_0 entered promiscuous mode [ 51.134594][ T3602] device hsr_slave_1 entered promiscuous mode [ 51.214131][ T3602] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.224364][ T3602] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.233284][ T3602] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.243463][ T3602] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.264902][ T3602] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.272116][ T3602] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.280120][ T3602] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.287181][ T3602] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.333320][ T3602] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.344857][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.355810][ T6] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.366223][ T6] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.374234][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.388537][ T3602] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.398076][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.408605][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.416983][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.424080][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.440130][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.451168][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.460425][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.467671][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.475498][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.484367][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.497676][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.506521][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.516681][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.526078][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.534822][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.548543][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.556841][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.568874][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.577105][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.587473][ T3602] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.604251][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.612382][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.624580][ T3602] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 51.730362][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.742679][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.759871][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.769096][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.780105][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.788173][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.796764][ T3602] device veth0_vlan entered promiscuous mode [ 51.806958][ T3602] device veth1_vlan entered promiscuous mode [ 51.825581][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.834301][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.842866][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.852435][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.863252][ T3602] device veth0_macvtap entered promiscuous mode [ 51.874267][ T3602] device veth1_macvtap entered promiscuous mode [ 51.889345][ T3602] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.896764][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.905078][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.913421][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.922123][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.934336][ T3602] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.941897][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.950592][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.962188][ T3602] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.971862][ T3602] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.980938][ T3602] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.991065][ T3602] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.050454][ T45] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.058715][ T45] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.073117][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.085763][ T45] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.094428][ T45] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.104688][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/21 20:03:50 building call list... [ 52.377648][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.535799][ T3594] can: request_module (can-proto-0) failed. [ 54.560717][ T3594] can: request_module (can-proto-0) failed. [ 54.586136][ T3594] can: request_module (can-proto-0) failed. executing program [ 54.839211][ T3602] syz-executor.0 (3602) used greatest stack depth: 22840 bytes left [ 54.996778][ T8] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0