Warning: Permanently added '10.128.1.84' (ECDSA) to the list of known hosts. 2022/02/15 05:45:50 fuzzer started 2022/02/15 05:45:50 connecting to host at 10.128.0.169:38387 2022/02/15 05:45:50 checking machine... 2022/02/15 05:45:50 checking revisions... 2022/02/15 05:45:50 testing simple program... syzkaller login: [ 42.767013][ T3595] cgroup: Unknown subsys name 'net' [ 42.885231][ T3595] cgroup: Unknown subsys name 'rlimit' [ 44.096893][ T3599] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.105315][ T3599] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.113214][ T3599] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.120980][ T3599] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.128554][ T3599] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.135744][ T3599] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.218858][ T3597] chnl_net:caif_netlink_parms(): no params data found [ 44.259925][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.267385][ T3597] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.275315][ T3597] device bridge_slave_0 entered promiscuous mode [ 44.284139][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.291398][ T3597] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.299153][ T3597] device bridge_slave_1 entered promiscuous mode [ 44.320077][ T3597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 44.331499][ T3597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 44.354593][ T3597] team0: Port device team_slave_0 added [ 44.361667][ T3597] team0: Port device team_slave_1 added [ 44.378655][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 44.385585][ T3597] 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. [ 44.411511][ T3597] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 44.423912][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 44.430928][ T3597] 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. [ 44.456995][ T3597] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.481180][ T3597] [ 44.483609][ T3597] ============================= [ 44.488484][ T3597] WARNING: suspicious RCU usage [ 44.493333][ T3597] 5.17.0-rc3-syzkaller-01158-gd0b78ab1ca35 #0 Not tainted [ 44.500467][ T3597] ----------------------------- [ 44.505304][ T3597] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 44.513596][ T3597] [ 44.513596][ T3597] other info that might help us debug this: [ 44.513596][ T3597] [ 44.524046][ T3597] [ 44.524046][ T3597] rcu_scheduler_active = 2, debug_locks = 1 [ 44.532146][ T3597] 2 locks held by syz-executor.0/3597: [ 44.537603][ T3597] #0: ffffffff8d32cb28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 44.547075][ T3597] #1: ffff88801c8355f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 44.557327][ T3597] [ 44.557327][ T3597] stack backtrace: [ 44.563245][ T3597] CPU: 0 PID: 3597 Comm: syz-executor.0 Not tainted 5.17.0-rc3-syzkaller-01158-gd0b78ab1ca35 #0 [ 44.573757][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.583819][ T3597] Call Trace: [ 44.587092][ T3597] [ 44.590100][ T3597] dump_stack_lvl+0xcd/0x134 [ 44.594686][ T3597] hsr_node_get_first+0x9b/0xb0 [ 44.599523][ T3597] hsr_create_self_node+0x22d/0x650 [ 44.604716][ T3597] hsr_dev_finalize+0x2c1/0x7d0 [ 44.609558][ T3597] hsr_newlink+0x315/0x730 [ 44.613962][ T3597] ? hsr_dellink+0x130/0x130 [ 44.618537][ T3597] ? rtnl_create_link+0x7e8/0xc00 [ 44.623547][ T3597] ? hsr_dellink+0x130/0x130 [ 44.628121][ T3597] __rtnl_newlink+0x107c/0x1760 [ 44.632964][ T3597] ? rtnl_setlink+0x3c0/0x3c0 [ 44.637628][ T3597] ? is_bpf_text_address+0x77/0x170 [ 44.642812][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 44.647649][ T3597] ? unwind_next_frame+0xee1/0x1ce0 [ 44.652831][ T3597] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 44.658881][ T3597] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 44.664587][ T3597] ? is_bpf_text_address+0x99/0x170 [ 44.669770][ T3597] ? kernel_text_address+0x39/0x80 [ 44.674866][ T3597] ? __kernel_text_address+0x9/0x30 [ 44.680048][ T3597] ? unwind_get_return_address+0x51/0x90 [ 44.685662][ T3597] ? create_prof_cpu_mask+0x20/0x20 [ 44.690845][ T3597] ? arch_stack_walk+0x93/0xe0 [ 44.695717][ T3597] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 44.701168][ T3597] ? rcu_read_lock_sched_held+0x3a/0x70 [ 44.706700][ T3597] rtnl_newlink+0x64/0xa0 [ 44.711014][ T3597] ? __rtnl_newlink+0x1760/0x1760 [ 44.716023][ T3597] rtnetlink_rcv_msg+0x413/0xb80 [ 44.720958][ T3597] ? rtnl_newlink+0xa0/0xa0 [ 44.725457][ T3597] netlink_rcv_skb+0x153/0x420 [ 44.730207][ T3597] ? rtnl_newlink+0xa0/0xa0 [ 44.734707][ T3597] ? netlink_ack+0xa60/0xa60 [ 44.739280][ T3597] ? netlink_deliver_tap+0x1a2/0xc40 [ 44.744552][ T3597] ? netlink_deliver_tap+0x1b1/0xc40 [ 44.749825][ T3597] netlink_unicast+0x539/0x7e0 [ 44.754575][ T3597] ? netlink_attachskb+0x880/0x880 [ 44.759666][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 44.765893][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 44.772119][ T3597] ? __phys_addr_symbol+0x2c/0x70 [ 44.777127][ T3597] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 44.782837][ T3597] ? __check_object_size+0x16e/0x310 [ 44.788107][ T3597] netlink_sendmsg+0x904/0xe00 [ 44.792863][ T3597] ? netlink_unicast+0x7e0/0x7e0 [ 44.797786][ T3597] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 44.804011][ T3597] ? netlink_unicast+0x7e0/0x7e0 [ 44.808931][ T3597] sock_sendmsg+0xcf/0x120 [ 44.813333][ T3597] __sys_sendto+0x21c/0x320 [ 44.817820][ T3597] ? __ia32_sys_getpeername+0xb0/0xb0 [ 44.823173][ T3597] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 44.829147][ T3597] ? __context_tracking_exit+0xb8/0xe0 [ 44.834600][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 44.839437][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 44.844282][ T3597] __x64_sys_sendto+0xdd/0x1b0 [ 44.849033][ T3597] ? lockdep_hardirqs_on+0x79/0x100 [ 44.854218][ T3597] ? syscall_enter_from_user_mode+0x21/0x70 [ 44.860115][ T3597] do_syscall_64+0x35/0xb0 [ 44.864521][ T3597] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 44.870397][ T3597] RIP: 0033:0x7fa6eb54ee1c [ 44.874796][ T3597] 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 [ 44.894382][ T3597] RSP: 002b:00007fff53f8d540 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 44.902775][ T3597] RAX: ffffffffffffffda RBX: 00007fa6ec5e7320 RCX: 00007fa6eb54ee1c [ 44.910729][ T3597] RDX: 0000000000000048 RSI: 00007fa6ec5e7370 RDI: 0000000000000003 [ 44.918681][ T3597] RBP: 0000000000000000 R08: 00007fff53f8d594 R09: 000000000000000c [ 44.926640][ T3597] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 44.934691][ T3597] R13: 00007fa6ec5e7370 R14: 0000000000000003 R15: 0000000000000000 [ 44.942662][ T3597] [ 44.950136][ T3597] device hsr_slave_0 entered promiscuous mode [ 44.958908][ T3597] device hsr_slave_1 entered promiscuous mode [ 45.083888][ T3597] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.095828][ T3597] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.111056][ T3597] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.121564][ T3597] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.144117][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.151332][ T3597] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.159102][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.166188][ T3597] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.209740][ T3597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.222753][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.233216][ T3322] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.242580][ T3322] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.251058][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.264384][ T3597] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.273528][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.282238][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.290772][ T6] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.297812][ T6] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.319554][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.328155][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.337496][ T6] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.344583][ T6] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.352424][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.361363][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.370267][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.379893][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.389332][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.403143][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.412583][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.424649][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.433431][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.445523][ T3597] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.457516][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.466108][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.474590][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.491641][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.499906][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.512885][ T3597] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 45.639713][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.649194][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.663832][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.672414][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.681870][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.689927][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.698942][ T3597] device veth0_vlan entered promiscuous mode [ 45.709457][ T3597] device veth1_vlan entered promiscuous mode [ 45.727168][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.735355][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.744943][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.754757][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.766265][ T3597] device veth0_macvtap entered promiscuous mode [ 45.775618][ T3597] device veth1_macvtap entered promiscuous mode [ 45.790653][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.800241][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.809498][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.817341][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.827054][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.838624][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.845912][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.855067][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.865739][ T3597] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.876135][ T3597] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.885334][ T3597] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.894850][ T3597] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.953362][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.968042][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.980117][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.988065][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.996498][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.005639][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/15 05:45:54 building call list... [ 46.180603][ T3606] Bluetooth: hci0: command 0x0409 tx timeout [ 46.286081][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.215019][ T3587] can: request_module (can-proto-0) failed. [ 48.236743][ T3587] can: request_module (can-proto-0) failed. [ 48.256999][ T3587] can: request_module (can-proto-0) failed. executing program [ 48.780141][ T3597] syz-executor.0 (3597) used greatest stack depth: 22360 bytes left [ 48.817797][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0