Warning: Permanently added '10.128.1.9' (ECDSA) to the list of known hosts. 2022/02/17 22:15:53 fuzzer started 2022/02/17 22:15:53 connecting to host at 10.128.0.169:38647 2022/02/17 22:15:53 checking machine... 2022/02/17 22:15:53 checking revisions... 2022/02/17 22:15:53 testing simple program... syzkaller login: [ 43.726556][ T3594] cgroup: Unknown subsys name 'net' [ 43.860011][ T3594] cgroup: Unknown subsys name 'rlimit' [ 45.091743][ T3598] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.100192][ T3598] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.108425][ T3598] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.116714][ T3598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.124387][ T3598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.131574][ T3598] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.219427][ T3596] chnl_net:caif_netlink_parms(): no params data found [ 45.260357][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.267956][ T3596] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.275934][ T3596] device bridge_slave_0 entered promiscuous mode [ 45.284912][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.292262][ T3596] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.300259][ T3596] device bridge_slave_1 entered promiscuous mode [ 45.321267][ T3596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.332863][ T3596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.357496][ T3596] team0: Port device team_slave_0 added [ 45.365844][ T3596] team0: Port device team_slave_1 added [ 45.384212][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.392949][ 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. [ 45.420090][ T3596] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.434944][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.441983][ 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. [ 45.468264][ T3596] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.492340][ T3596] [ 45.495108][ T3596] ============================= [ 45.500039][ T3596] WARNING: suspicious RCU usage [ 45.504931][ T3596] 5.17.0-rc4-syzkaller-01289-g2aed49da6c08 #0 Not tainted [ 45.512216][ T3596] ----------------------------- [ 45.517112][ T3596] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 45.525288][ T3596] [ 45.525288][ T3596] other info that might help us debug this: [ 45.525288][ T3596] [ 45.535653][ T3596] [ 45.535653][ T3596] rcu_scheduler_active = 2, debug_locks = 1 [ 45.543790][ T3596] 2 locks held by syz-executor.0/3596: [ 45.549261][ T3596] #0: ffffffff8d32f568 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 45.559027][ T3596] #1: ffff888077cf95f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 45.569190][ T3596] [ 45.569190][ T3596] stack backtrace: [ 45.575296][ T3596] CPU: 0 PID: 3596 Comm: syz-executor.0 Not tainted 5.17.0-rc4-syzkaller-01289-g2aed49da6c08 #0 [ 45.586069][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.596130][ T3596] Call Trace: [ 45.599404][ T3596] [ 45.602324][ T3596] dump_stack_lvl+0xcd/0x134 [ 45.607244][ T3596] hsr_node_get_first+0x9b/0xb0 [ 45.612102][ T3596] hsr_create_self_node+0x22d/0x650 [ 45.617297][ T3596] hsr_dev_finalize+0x2c1/0x7d0 [ 45.622142][ T3596] hsr_newlink+0x315/0x730 [ 45.626656][ T3596] ? hsr_dellink+0x130/0x130 [ 45.631238][ T3596] ? rtnl_create_link+0x7e8/0xc00 [ 45.636259][ T3596] ? hsr_dellink+0x130/0x130 [ 45.640852][ T3596] __rtnl_newlink+0x107c/0x1760 [ 45.645731][ T3596] ? rtnl_setlink+0x3c0/0x3c0 [ 45.650409][ T3596] ? is_bpf_text_address+0x77/0x170 [ 45.655619][ T3596] ? lock_downgrade+0x6e0/0x6e0 [ 45.660481][ T3596] ? unwind_next_frame+0xee1/0x1ce0 [ 45.665690][ T3596] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 45.671856][ T3596] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 45.677595][ T3596] ? is_bpf_text_address+0x99/0x170 [ 45.682811][ T3596] ? kernel_text_address+0x39/0x80 [ 45.687930][ T3596] ? __kernel_text_address+0x9/0x30 [ 45.693129][ T3596] ? unwind_get_return_address+0x51/0x90 [ 45.699106][ T3596] ? create_prof_cpu_mask+0x20/0x20 [ 45.704393][ T3596] ? arch_stack_walk+0x93/0xe0 [ 45.709197][ T3596] ? kmem_cache_alloc_trace+0x42/0x3d0 [ 45.714671][ T3596] ? rcu_read_lock_sched_held+0x3a/0x70 [ 45.720238][ T3596] rtnl_newlink+0x64/0xa0 [ 45.724575][ T3596] ? __rtnl_newlink+0x1760/0x1760 [ 45.729599][ T3596] rtnetlink_rcv_msg+0x413/0xb80 [ 45.734536][ T3596] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 45.739311][ T3596] netlink_rcv_skb+0x153/0x420 [ 45.744082][ T3596] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 45.748844][ T3596] ? netlink_ack+0xa60/0xa60 [ 45.753430][ T3596] ? netlink_deliver_tap+0x1a2/0xc40 [ 45.758715][ T3596] ? netlink_deliver_tap+0x1b1/0xc40 [ 45.764002][ T3596] netlink_unicast+0x539/0x7e0 [ 45.768780][ T3596] ? netlink_attachskb+0x880/0x880 [ 45.773881][ T3596] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 45.780130][ T3596] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 45.786472][ T3596] ? __phys_addr_symbol+0x2c/0x70 [ 45.791501][ T3596] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 45.797219][ T3596] ? __check_object_size+0x16e/0x310 [ 45.802516][ T3596] netlink_sendmsg+0x904/0xe00 [ 45.807456][ T3596] ? netlink_unicast+0x7e0/0x7e0 [ 45.812393][ T3596] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 45.818635][ T3596] ? netlink_unicast+0x7e0/0x7e0 [ 45.823566][ T3596] sock_sendmsg+0xcf/0x120 [ 45.827985][ T3596] __sys_sendto+0x21c/0x320 [ 45.832482][ T3596] ? __ia32_sys_getpeername+0xb0/0xb0 [ 45.837842][ T3596] ? lockdep_hardirqs_on+0x79/0x100 [ 45.843067][ T3596] ? __context_tracking_exit+0xb8/0xe0 [ 45.849131][ T3596] ? lock_downgrade+0x6e0/0x6e0 [ 45.853988][ T3596] __x64_sys_sendto+0xdd/0x1b0 [ 45.858739][ T3596] ? lockdep_hardirqs_on+0x79/0x100 [ 45.863935][ T3596] ? syscall_enter_from_user_mode+0x21/0x70 [ 45.869822][ T3596] do_syscall_64+0x35/0xb0 [ 45.874232][ T3596] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 45.880121][ T3596] RIP: 0033:0x7f373410de1c [ 45.884618][ 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 [ 45.904220][ T3596] RSP: 002b:00007ffe23b64e70 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 45.912627][ T3596] RAX: ffffffffffffffda RBX: 00007f37351a6320 RCX: 00007f373410de1c [ 45.920591][ T3596] RDX: 0000000000000048 RSI: 00007f37351a6370 RDI: 0000000000000003 [ 45.928553][ T3596] RBP: 0000000000000000 R08: 00007ffe23b64ec4 R09: 000000000000000c [ 45.936512][ T3596] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 45.944471][ T3596] R13: 00007f37351a6370 R14: 0000000000000003 R15: 0000000000000000 [ 45.952443][ T3596] [ 45.963009][ T3596] device hsr_slave_0 entered promiscuous mode [ 45.970250][ T3596] device hsr_slave_1 entered promiscuous mode [ 46.049770][ T3596] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.060506][ T3596] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.069802][ T3596] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.078603][ T3596] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.099425][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.106730][ T3596] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.114798][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.122029][ T3596] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.168274][ T3596] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.181280][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.192407][ T25] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.201790][ T25] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.210518][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.224358][ T3596] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.233695][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.242602][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.251104][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.258177][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.269321][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.277924][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.287260][ T918] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.294407][ T918] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.307047][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.323233][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.331795][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.341297][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.349843][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.358716][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.367156][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.377064][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.390947][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.398910][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.407539][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.418700][ T3596] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.435079][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.442468][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.456857][ T3596] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 46.584492][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.594321][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.605797][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.615465][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.626838][ T3596] device veth0_vlan entered promiscuous mode [ 46.636263][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.644117][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.655042][ T3596] device veth1_vlan entered promiscuous mode [ 46.672487][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.681245][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.689517][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.699081][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.710283][ T3596] device veth0_macvtap entered promiscuous mode [ 46.720290][ T3596] device veth1_macvtap entered promiscuous mode [ 46.735091][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.742571][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.751112][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.759360][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.768363][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.782505][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.790996][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.800014][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.811538][ T3596] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.821329][ T3596] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.830210][ T3596] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.839087][ T3596] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.901710][ T90] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.912384][ T90] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.925051][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.942155][ T90] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.950506][ T90] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.959677][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/17 22:15:57 building call list... [ 49.366488][ T3592] can: request_module (can-proto-0) failed. [ 49.389768][ T3592] can: request_module (can-proto-0) failed. [ 49.415601][ T3592] can: request_module (can-proto-0) failed. executing program [ 50.010778][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0