Warning: Permanently added '10.128.0.147' (ECDSA) to the list of known hosts. 2022/02/11 09:22:44 fuzzer started 2022/02/11 09:22:45 connecting to host at 10.128.0.169:42185 2022/02/11 09:22:45 checking machine... 2022/02/11 09:22:45 checking revisions... 2022/02/11 09:22:45 testing simple program... syzkaller login: [ 49.647108][ T3593] cgroup: Unknown subsys name 'net' [ 49.774112][ T3593] cgroup: Unknown subsys name 'rlimit' [ 51.048462][ T3599] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.056487][ T3599] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.064218][ T3599] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.071884][ T3599] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.079771][ T3599] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.087066][ T3599] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.172202][ T3595] chnl_net:caif_netlink_parms(): no params data found [ 51.214372][ T3595] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.222026][ T3595] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.230219][ T3595] device bridge_slave_0 entered promiscuous mode [ 51.239791][ T3595] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.246924][ T3595] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.254967][ T3595] device bridge_slave_1 entered promiscuous mode [ 51.275892][ T3595] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.286936][ T3595] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.310040][ T3595] team0: Port device team_slave_0 added [ 51.317622][ T3595] team0: Port device team_slave_1 added [ 51.334115][ T3595] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.341161][ T3595] 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. [ 51.367110][ T3595] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.380339][ T3595] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.387378][ T3595] 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. [ 51.413490][ T3595] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.437017][ T3595] [ 51.439504][ T3595] ============================= [ 51.444396][ T3595] WARNING: suspicious RCU usage [ 51.449276][ T3595] 5.17.0-rc3-next-20220211-syzkaller #0 Not tainted [ 51.455885][ T3595] ----------------------------- [ 51.460758][ T3595] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 51.468928][ T3595] [ 51.468928][ T3595] other info that might help us debug this: [ 51.468928][ T3595] [ 51.479183][ T3595] [ 51.479183][ T3595] rcu_scheduler_active = 2, debug_locks = 1 [ 51.487247][ T3595] 2 locks held by syz-executor.0/3595: [ 51.492748][ T3595] #0: ffffffff8d3325a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 51.502318][ T3595] #1: ffff888019a3d5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 51.512600][ T3595] [ 51.512600][ T3595] stack backtrace: [ 51.518517][ T3595] CPU: 1 PID: 3595 Comm: syz-executor.0 Not tainted 5.17.0-rc3-next-20220211-syzkaller #0 [ 51.528418][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.538466][ T3595] Call Trace: [ 51.541738][ T3595] [ 51.544670][ T3595] dump_stack_lvl+0xcd/0x134 [ 51.549280][ T3595] hsr_node_get_first+0x9b/0xb0 [ 51.554134][ T3595] hsr_create_self_node+0x22d/0x650 [ 51.559336][ T3595] hsr_dev_finalize+0x2c1/0x7d0 [ 51.564194][ T3595] hsr_newlink+0x315/0x730 [ 51.568614][ T3595] ? hsr_dellink+0x130/0x130 [ 51.573209][ T3595] ? rtnl_create_link+0x7e8/0xc00 [ 51.578243][ T3595] ? hsr_dellink+0x130/0x130 [ 51.582925][ T3595] __rtnl_newlink+0x107c/0x1760 [ 51.587780][ T3595] ? rtnl_setlink+0x3c0/0x3c0 [ 51.592467][ T3595] ? is_bpf_text_address+0x77/0x170 [ 51.597675][ T3595] ? lock_downgrade+0x6e0/0x6e0 [ 51.602534][ T3595] ? unwind_next_frame+0xee1/0x1ce0 [ 51.607729][ T3595] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.613803][ T3595] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 51.619528][ T3595] ? is_bpf_text_address+0x99/0x170 [ 51.624741][ T3595] ? kernel_text_address+0x39/0x80 [ 51.629863][ T3595] ? __kernel_text_address+0x9/0x30 [ 51.635058][ T3595] ? unwind_get_return_address+0x51/0x90 [ 51.640689][ T3595] ? create_prof_cpu_mask+0x20/0x20 [ 51.645893][ T3595] ? arch_stack_walk+0x93/0xe0 [ 51.650709][ T3595] ? kmem_cache_alloc_trace+0x42/0x2c0 [ 51.656175][ T3595] ? rcu_read_lock_sched_held+0x3a/0x70 [ 51.661731][ T3595] rtnl_newlink+0x64/0xa0 [ 51.666061][ T3595] ? __rtnl_newlink+0x1760/0x1760 [ 51.671082][ T3595] rtnetlink_rcv_msg+0x413/0xb80 [ 51.676023][ T3595] ? rtnl_newlink+0xa0/0xa0 [ 51.680539][ T3595] netlink_rcv_skb+0x153/0x420 [ 51.685300][ T3595] ? rtnl_newlink+0xa0/0xa0 [ 51.689815][ T3595] ? netlink_ack+0xa80/0xa80 [ 51.694405][ T3595] ? netlink_deliver_tap+0x1a2/0xc40 [ 51.699776][ T3595] ? netlink_deliver_tap+0x1b1/0xc40 [ 51.705064][ T3595] netlink_unicast+0x539/0x7e0 [ 51.709844][ T3595] ? netlink_attachskb+0x880/0x880 [ 51.714948][ T3595] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.721187][ T3595] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.727426][ T3595] ? __phys_addr_symbol+0x2c/0x70 [ 51.732463][ T3595] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 51.738192][ T3595] ? __check_object_size+0x16c/0x4f0 [ 51.743494][ T3595] netlink_sendmsg+0x904/0xe00 [ 51.748270][ T3595] ? netlink_unicast+0x7e0/0x7e0 [ 51.753215][ T3595] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.759465][ T3595] ? netlink_unicast+0x7e0/0x7e0 [ 51.764416][ T3595] sock_sendmsg+0xcf/0x120 [ 51.768873][ T3595] __sys_sendto+0x21c/0x320 [ 51.773381][ T3595] ? __ia32_sys_getpeername+0xb0/0xb0 [ 51.778758][ T3595] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.784858][ T3595] ? __context_tracking_exit+0xb8/0xe0 [ 51.790328][ T3595] ? lock_downgrade+0x6e0/0x6e0 [ 51.795186][ T3595] ? lock_downgrade+0x6e0/0x6e0 [ 51.800053][ T3595] __x64_sys_sendto+0xdd/0x1b0 [ 51.804813][ T3595] ? lockdep_hardirqs_on+0x79/0x100 [ 51.810010][ T3595] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.815901][ T3595] do_syscall_64+0x35/0xb0 [ 51.820315][ T3595] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.826215][ T3595] RIP: 0033:0x7fe95830ce1c [ 51.830628][ T3595] 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 [ 51.850241][ T3595] RSP: 002b:00007ffe8edd8850 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 51.858659][ T3595] RAX: ffffffffffffffda RBX: 00007fe9593a5320 RCX: 00007fe95830ce1c [ 51.866622][ T3595] RDX: 0000000000000048 RSI: 00007fe9593a5370 RDI: 0000000000000003 [ 51.874582][ T3595] RBP: 0000000000000000 R08: 00007ffe8edd88a4 R09: 000000000000000c [ 51.882547][ T3595] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 51.890524][ T3595] R13: 00007fe9593a5370 R14: 0000000000000003 R15: 0000000000000000 [ 51.898761][ T3595] [ 51.907807][ T3595] device hsr_slave_0 entered promiscuous mode [ 51.915052][ T3595] device hsr_slave_1 entered promiscuous mode [ 51.993051][ T3595] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.003556][ T3595] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.012672][ T3595] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.021915][ T3595] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.042478][ T3595] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.049836][ T3595] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.057802][ T3595] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.064887][ T3595] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.109785][ T3595] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.122008][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.133022][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.141484][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.150247][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.164142][ T3595] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.173535][ T1130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.183228][ T1130] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.191811][ T1130] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.198929][ T1130] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.216730][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.225689][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.234458][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.241693][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.249937][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.259004][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.274378][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.283846][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.292655][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.302799][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.316212][ T3595] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 52.328312][ T3595] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.341277][ T1130] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.349359][ T1130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.359146][ T1130] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.369215][ T1130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.377670][ T1130] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.395099][ T3595] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.404538][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.412366][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready executing program [ 52.419907][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.550211][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.558860][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.577279][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.585689][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.595503][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.603687][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.613579][ T3595] device veth0_vlan entered promiscuous mode [ 52.624881][ T3595] device veth1_vlan entered promiscuous mode [ 52.642357][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.651355][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.659661][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.669503][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.679587][ T3595] device veth0_macvtap entered promiscuous mode [ 52.690237][ T3595] device veth1_macvtap entered promiscuous mode [ 52.705869][ T3595] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.713558][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.722455][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.730924][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.739498][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.751624][ T3595] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.759534][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.769049][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.780504][ T3595] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.790076][ T3595] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.799217][ T3595] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.808815][ T3595] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.865752][ T45] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.880053][ T45] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.893442][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.896257][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.902175][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.917251][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/11 09:22:48 building call list... [ 53.176906][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.199235][ T3588] can: request_module (can-proto-0) failed. [ 55.221522][ T3588] can: request_module (can-proto-0) failed. [ 55.241871][ T3588] can: request_module (can-proto-0) failed. executing program [ 55.419312][ T8] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.719464][ T3595] syz-executor.0 (3595) used greatest stack depth: 22584 bytes left