Warning: Permanently added '10.128.10.48' (ECDSA) to the list of known hosts. 2022/03/02 21:39:29 fuzzer started 2022/03/02 21:39:29 connecting to host at 10.128.0.169:39697 2022/03/02 21:39:29 checking machine... 2022/03/02 21:39:29 checking revisions... 2022/03/02 21:39:29 testing simple program... syzkaller login: [ 44.031579][ T3597] cgroup: Unknown subsys name 'net' [ 44.139926][ T3597] cgroup: Unknown subsys name 'rlimit' [ 45.363944][ T3602] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.372750][ T3602] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.380538][ T3602] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.388396][ T3602] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.396814][ T3602] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.404128][ T3602] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.495771][ T3599] chnl_net:caif_netlink_parms(): no params data found [ 45.540033][ T3599] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.547661][ T3599] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.556988][ T3599] device bridge_slave_0 entered promiscuous mode [ 45.566090][ T3599] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.573496][ T3599] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.581252][ T3599] device bridge_slave_1 entered promiscuous mode [ 45.603132][ T3599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.614789][ T3599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.638788][ T3599] team0: Port device team_slave_0 added [ 45.646159][ T3599] team0: Port device team_slave_1 added [ 45.663540][ T3599] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.670493][ T3599] 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. [ 45.696807][ T3599] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.709801][ T3599] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.718101][ T3599] 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. [ 45.744170][ T3599] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.768478][ T3599] [ 45.771035][ T3599] ============================= [ 45.776055][ T3599] WARNING: suspicious RCU usage [ 45.781182][ T3599] 5.17.0-rc4-syzkaller-01380-g8bbe98bdccef #0 Not tainted [ 45.788346][ T3599] ----------------------------- [ 45.793205][ T3599] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 45.801418][ T3599] [ 45.801418][ T3599] other info that might help us debug this: [ 45.801418][ T3599] [ 45.811693][ T3599] [ 45.811693][ T3599] rcu_scheduler_active = 2, debug_locks = 1 [ 45.819901][ T3599] 2 locks held by syz-executor.0/3599: [ 45.825402][ T3599] #0: ffffffff8d3308e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 45.834891][ T3599] #1: ffff888013dbd5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 45.845067][ T3599] [ 45.845067][ T3599] stack backtrace: [ 45.850961][ T3599] CPU: 1 PID: 3599 Comm: syz-executor.0 Not tainted 5.17.0-rc4-syzkaller-01380-g8bbe98bdccef #0 [ 45.861481][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.871526][ T3599] Call Trace: [ 45.874793][ T3599] [ 45.877712][ T3599] dump_stack_lvl+0xcd/0x134 [ 45.882387][ T3599] hsr_node_get_first+0x9b/0xb0 [ 45.887237][ T3599] hsr_create_self_node+0x22d/0x650 [ 45.892424][ T3599] hsr_dev_finalize+0x2c1/0x7d0 [ 45.897263][ T3599] hsr_newlink+0x315/0x730 [ 45.901677][ T3599] ? hsr_dellink+0x130/0x130 [ 45.906252][ T3599] ? rtnl_create_link+0x7e8/0xc00 [ 45.911265][ T3599] ? hsr_dellink+0x130/0x130 [ 45.915839][ T3599] __rtnl_newlink+0x107c/0x1760 [ 45.920697][ T3599] ? rtnl_setlink+0x3c0/0x3c0 [ 45.925386][ T3599] ? is_bpf_text_address+0x77/0x170 [ 45.930684][ T3599] ? lock_downgrade+0x6e0/0x6e0 [ 45.935530][ T3599] ? unwind_next_frame+0xee1/0x1ce0 [ 45.940732][ T3599] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 45.946787][ T3599] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 45.952532][ T3599] ? is_bpf_text_address+0x99/0x170 [ 45.957717][ T3599] ? kernel_text_address+0x39/0x80 [ 45.962813][ T3599] ? __kernel_text_address+0x9/0x30 [ 45.968024][ T3599] ? unwind_get_return_address+0x51/0x90 [ 45.973678][ T3599] ? create_prof_cpu_mask+0x20/0x20 [ 45.978878][ T3599] ? arch_stack_walk+0x93/0xe0 [ 45.983688][ T3599] ? rcu_read_lock_sched_held+0x3a/0x70 [ 45.989350][ T3599] rtnl_newlink+0x64/0xa0 [ 45.993694][ T3599] ? __rtnl_newlink+0x1760/0x1760 [ 45.998713][ T3599] rtnetlink_rcv_msg+0x413/0xb80 [ 46.003656][ T3599] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 46.008430][ T3599] netlink_rcv_skb+0x153/0x420 [ 46.013218][ T3599] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 46.018107][ T3599] ? netlink_ack+0xa60/0xa60 [ 46.022697][ T3599] ? netlink_deliver_tap+0x1a2/0xc40 [ 46.027978][ T3599] ? netlink_deliver_tap+0x1b1/0xc40 [ 46.033387][ T3599] netlink_unicast+0x539/0x7e0 [ 46.038185][ T3599] ? netlink_attachskb+0x880/0x880 [ 46.043401][ T3599] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 46.049675][ T3599] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 46.056052][ T3599] ? __phys_addr_symbol+0x2c/0x70 [ 46.061100][ T3599] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 46.066818][ T3599] ? __check_object_size+0x16e/0x310 [ 46.072229][ T3599] netlink_sendmsg+0x904/0xe00 [ 46.076990][ T3599] ? netlink_unicast+0x7e0/0x7e0 [ 46.081920][ T3599] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 46.088181][ T3599] ? netlink_unicast+0x7e0/0x7e0 [ 46.093111][ T3599] sock_sendmsg+0xcf/0x120 [ 46.097543][ T3599] __sys_sendto+0x21c/0x320 [ 46.102033][ T3599] ? __ia32_sys_getpeername+0xb0/0xb0 [ 46.107400][ T3599] ? lockdep_hardirqs_on+0x79/0x100 [ 46.112608][ T3599] ? __context_tracking_exit+0xb8/0xe0 [ 46.118062][ T3599] ? lock_downgrade+0x6e0/0x6e0 [ 46.122999][ T3599] __x64_sys_sendto+0xdd/0x1b0 [ 46.127761][ T3599] ? lockdep_hardirqs_on+0x79/0x100 [ 46.132961][ T3599] ? syscall_enter_from_user_mode+0x21/0x70 [ 46.138847][ T3599] do_syscall_64+0x35/0xb0 [ 46.143277][ T3599] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 46.149181][ T3599] RIP: 0033:0x7f0524561e0c [ 46.153685][ T3599] 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 [ 46.173286][ T3599] RSP: 002b:00007ffc8de240b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 46.181796][ T3599] RAX: ffffffffffffffda RBX: 00007f05255fa320 RCX: 00007f0524561e0c [ 46.189763][ T3599] RDX: 0000000000000048 RSI: 00007f05255fa370 RDI: 0000000000000003 [ 46.197725][ T3599] RBP: 0000000000000000 R08: 00007ffc8de24104 R09: 000000000000000c [ 46.205679][ T3599] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 46.213641][ T3599] R13: 00007f05255fa370 R14: 0000000000000003 R15: 0000000000000000 [ 46.221710][ T3599] [ 46.229276][ T3599] device hsr_slave_0 entered promiscuous mode [ 46.237225][ T3599] device hsr_slave_1 entered promiscuous mode [ 46.318402][ T3599] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.329194][ T3599] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.338500][ T3599] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.347316][ T3599] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.369650][ T3599] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.376936][ T3599] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.385014][ T3599] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.392084][ T3599] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.438647][ T3599] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.451489][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.461797][ T6] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.472054][ T6] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.481733][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.500897][ T3599] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.517877][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.534070][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.554497][ T3609] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.561655][ T3609] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.591097][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.600274][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.611460][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.618586][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.628684][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.637635][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.646996][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.656204][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.665110][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.674472][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.683357][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.694464][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.702854][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.716730][ T3599] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.729342][ T3599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.737983][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.746908][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.768434][ T3599] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.775930][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.783538][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program [ 46.894259][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.903055][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.919393][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.927968][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.938214][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.946540][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.956536][ T3599] device veth0_vlan entered promiscuous mode [ 46.967344][ T3599] device veth1_vlan entered promiscuous mode [ 46.986547][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.995577][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.003901][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.012340][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.022867][ T3599] device veth0_macvtap entered promiscuous mode [ 47.032825][ T3599] device veth1_macvtap entered promiscuous mode [ 47.048294][ T3599] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.057657][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.065858][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.076972][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.085527][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.097694][ T3599] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.106384][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.116290][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.126614][ T3599] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.135800][ T3599] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.144935][ T3599] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.154100][ T3599] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.214251][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.222449][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.234631][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.252380][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.261163][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.271954][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/03/02 21:39:33 building call list... [ 47.434709][ T3612] Bluetooth: hci0: command 0x0409 tx timeout [ 47.540843][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.718678][ T3596] can: request_module (can-proto-0) failed. [ 49.735480][ T3599] syz-executor.0 (3599) used greatest stack depth: 22512 bytes left [ 49.747158][ T3596] can: request_module (can-proto-0) failed. [ 49.768893][ T3596] can: request_module (can-proto-0) failed. [ 49.783092][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program