Warning: Permanently added '10.128.1.135' (ECDSA) to the list of known hosts. 2023/03/14 09:07:58 fuzzer started 2023/03/14 09:07:59 connecting to host at 10.128.0.169:43853 2023/03/14 09:07:59 checking machine... 2023/03/14 09:07:59 checking revisions... 2023/03/14 09:07:59 testing simple program... [ 59.197488][ T5083] cgroup: Unknown subsys name 'net' [ 59.308925][ T5083] cgroup: Unknown subsys name 'rlimit' [ 59.439876][ T5076] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5076 'syz-fuzzer' [ 59.566016][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.574491][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.582919][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.591103][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.599250][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.607067][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.734172][ T5085] chnl_net:caif_netlink_parms(): no params data found [ 59.757163][ T5085] [ 59.759644][ T5085] ============================= [ 59.765148][ T5085] WARNING: suspicious RCU usage [ 59.770035][ T5085] 6.3.0-rc1-syzkaller-00150-g512dd354718b #0 Not tainted [ 59.777106][ T5085] ----------------------------- [ 59.782022][ T5085] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 59.790113][ T5085] [ 59.790113][ T5085] other info that might help us debug this: [ 59.790113][ T5085] [ 59.800710][ T5085] [ 59.800710][ T5085] rcu_scheduler_active = 2, debug_locks = 1 [ 59.808859][ T5085] 1 lock held by syz-executor.0/5085: [ 59.814583][ T5085] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 59.824284][ T5085] [ 59.824284][ T5085] stack backtrace: [ 59.830189][ T5085] CPU: 0 PID: 5085 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00150-g512dd354718b #0 [ 59.841503][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 59.851730][ T5085] Call Trace: [ 59.855024][ T5085] [ 59.857986][ T5085] dump_stack_lvl+0x136/0x150 [ 59.862693][ T5085] lockdep_rcu_suspicious+0x208/0x3a0 [ 59.868082][ T5085] veth_set_xdp_features+0x1c7/0x250 [ 59.873378][ T5085] veth_newlink+0x729/0x9d0 [ 59.877893][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 59.883026][ T5085] ? __rtnl_newlink+0xfd4/0x1840 [ 59.887978][ T5085] ? rtnl_newlink+0x68/0xa0 [ 59.892796][ T5085] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 59.898096][ T5085] ? netlink_rcv_skb+0x165/0x440 [ 59.903063][ T5085] ? netlink_unicast+0x547/0x7f0 [ 59.908011][ T5085] ? netlink_sendmsg+0x925/0xe30 [ 59.913017][ T5085] ? sock_sendmsg+0xde/0x190 [ 59.917641][ T5085] ? __sys_sendto+0x23a/0x340 [ 59.922352][ T5085] ? __x64_sys_sendto+0xe1/0x1b0 [ 59.927426][ T5085] ? do_syscall_64+0x39/0xb0 [ 59.932126][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.938243][ T5085] ? find_held_lock+0x2d/0x110 [ 59.943048][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 59.948634][ T5085] ? kvmalloc_node+0xa2/0x1a0 [ 59.953436][ T5085] ? rcu_read_lock_sched_held+0x3e/0x70 [ 59.959014][ T5085] ? trace_kmalloc+0xb4/0x110 [ 59.963698][ T5085] ? __kmalloc_node+0x77/0xd0 [ 59.968495][ T5085] ? __xdp_rxq_info_reg+0x18d/0x340 [ 59.973827][ T5085] ? alloc_netdev_mqs+0xdce/0x1250 [ 59.978987][ T5085] ? rtnl_create_link+0x9d8/0xee0 [ 59.984140][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 59.989279][ T5085] __rtnl_newlink+0x10c2/0x1840 [ 59.994182][ T5085] ? find_held_lock+0x2d/0x110 [ 59.998976][ T5085] ? rtnl_link_unregister+0x250/0x250 [ 60.004368][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 60.010062][ T5085] rtnl_newlink+0x68/0xa0 [ 60.014410][ T5085] ? __rtnl_newlink+0x1840/0x1840 [ 60.019456][ T5085] rtnetlink_rcv_msg+0x43d/0xd50 [ 60.024436][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 60.029314][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.035332][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.041361][ T5085] netlink_rcv_skb+0x165/0x440 [ 60.046173][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 60.051098][ T5085] ? netlink_ack+0x1360/0x1360 [ 60.055906][ T5085] ? netlink_deliver_tap+0x1b1/0xcf0 [ 60.061216][ T5085] netlink_unicast+0x547/0x7f0 [ 60.066041][ T5085] ? netlink_attachskb+0x890/0x890 [ 60.071246][ T5085] ? __virt_addr_valid+0x61/0x2e0 [ 60.076325][ T5085] ? __phys_addr_symbol+0x30/0x70 [ 60.081443][ T5085] ? __check_object_size+0x333/0x6e0 [ 60.086771][ T5085] netlink_sendmsg+0x925/0xe30 [ 60.091590][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 60.096669][ T5085] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 60.102164][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 60.107257][ T5085] sock_sendmsg+0xde/0x190 [ 60.111737][ T5085] __sys_sendto+0x23a/0x340 [ 60.116287][ T5085] ? __ia32_sys_getpeername+0xb0/0xb0 [ 60.121708][ T5085] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 60.127791][ T5085] __x64_sys_sendto+0xe1/0x1b0 [ 60.132595][ T5085] ? syscall_enter_from_user_mode+0x26/0xb0 [ 60.138516][ T5085] do_syscall_64+0x39/0xb0 [ 60.142946][ T5085] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.149034][ T5085] RIP: 0033:0x7fa6d003e12c [ 60.153734][ T5085] 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 [ 60.174147][ T5085] RSP: 002b:00007ffe219c43d0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 60.182659][ T5085] RAX: ffffffffffffffda RBX: 00007fa6d0cd4620 RCX: 00007fa6d003e12c [ 60.190644][ T5085] RDX: 000000000000002c RSI: 00007fa6d0cd4670 RDI: 0000000000000003 [ 60.198706][ T5085] RBP: 0000000000000000 R08: 00007ffe219c4424 R09: 000000000000000c [ 60.207050][ T5085] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 60.216090][ T5085] R13: 00007fa6d0cd4670 R14: 0000000000000003 R15: 0000000000000000 [ 60.224101][ T5085] [ 60.258429][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.266449][ T5085] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.274021][ T5085] bridge_slave_0: entered allmulticast mode [ 60.280666][ T5085] bridge_slave_0: entered promiscuous mode [ 60.289940][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.297327][ T5085] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.304579][ T5085] bridge_slave_1: entered allmulticast mode [ 60.311289][ T5085] bridge_slave_1: entered promiscuous mode [ 60.333208][ T5085] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.345330][ T5085] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.370628][ T5085] team0: Port device team_slave_0 added [ 60.378493][ T5085] team0: Port device team_slave_1 added [ 60.396944][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.404201][ T5085] 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. [ 60.430594][ T5085] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.444173][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.451322][ T5085] 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. [ 60.477727][ T5085] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.512288][ T5085] hsr_slave_0: entered promiscuous mode [ 60.518569][ T5085] hsr_slave_1: entered promiscuous mode [ 60.613126][ T5085] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.625410][ T5085] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.634629][ T5085] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.644821][ T5085] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.668161][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.676256][ T5085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.685495][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.692700][ T5085] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.746055][ T5085] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.755242][ T1112] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.765821][ T1112] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.775002][ T1112] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.794584][ T5085] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.805123][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.813651][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.833974][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.843102][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.852687][ T5096] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.859840][ T5096] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.868500][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.877678][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.886837][ T5096] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.894216][ T5096] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.903042][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.911689][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.927597][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.937028][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.946951][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.956484][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.966235][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.983853][ T5085] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.994673][ T5085] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.009306][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.018574][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.027888][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.036919][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.045893][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.179153][ T5085] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.187009][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.195086][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.212759][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.221735][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.244501][ T5085] veth0_vlan: entered promiscuous mode [ 61.250887][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.261668][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.271671][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.282042][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.294964][ T5085] veth1_vlan: entered promiscuous mode [ 61.314893][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.324573][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.333204][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.342088][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.353468][ T5085] veth0_macvtap: entered promiscuous mode [ 61.364718][ T5085] veth1_macvtap: entered promiscuous mode [ 61.384496][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.392842][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.403226][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.412615][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.421296][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.433684][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.442186][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.450841][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.462720][ T5085] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.471742][ T5085] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.481668][ T5085] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.491018][ T5085] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.563550][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.581104][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.592133][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.601123][ T56] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.609561][ T56] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.619345][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.632282][ T48] Bluetooth: hci0: command 0x0409 tx timeout 2023/03/14 09:08:01 building call list... executing program [ 63.586249][ T5080] damon-dbgfs: DAMON debugfs interface is deprecated, so users should move to DAMON_SYSFS. If you cannot, please report your usecase to damon@lists.linux.dev and linux-mm@kvack.org. [ 63.789906][ T5080] can: request_module (can-proto-0) failed. [ 63.826381][ T5080] can: request_module (can-proto-0) failed. [ 63.861481][ T5080] can: request_module (can-proto-0) failed. [ 64.436937][ T56] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program