Warning: Permanently added '10.128.1.126' (ECDSA) to the list of known hosts. 2023/03/14 09:07:57 fuzzer started 2023/03/14 09:07:57 connecting to host at 10.128.0.169:45017 2023/03/14 09:07:57 checking machine... 2023/03/14 09:07:57 checking revisions... 2023/03/14 09:07:57 testing simple program... [ 59.000076][ T5083] cgroup: Unknown subsys name 'net' [ 59.132158][ T5083] cgroup: Unknown subsys name 'rlimit' [ 59.262846][ T5078] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5078 'syz-fuzzer' [ 59.387171][ T5087] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.395368][ T5087] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.403373][ T5087] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.411998][ T5087] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.420147][ T5087] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.429212][ T5087] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.551316][ T5085] chnl_net:caif_netlink_parms(): no params data found [ 59.574585][ T5085] [ 59.577338][ T5085] ============================= [ 59.582732][ T5085] WARNING: suspicious RCU usage [ 59.588202][ T5085] 6.3.0-rc1-syzkaller-00150-g512dd354718b #0 Not tainted [ 59.595345][ T5085] ----------------------------- [ 59.600393][ T5085] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 59.608611][ T5085] [ 59.608611][ T5085] other info that might help us debug this: [ 59.608611][ T5085] [ 59.619087][ T5085] [ 59.619087][ T5085] rcu_scheduler_active = 2, debug_locks = 1 [ 59.627245][ T5085] 1 lock held by syz-executor.0/5085: [ 59.633019][ T5085] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 59.642583][ T5085] [ 59.642583][ T5085] stack backtrace: [ 59.648572][ T5085] CPU: 0 PID: 5085 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00150-g512dd354718b #0 [ 59.659067][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 59.669122][ T5085] Call Trace: [ 59.672617][ T5085] [ 59.675541][ T5085] dump_stack_lvl+0x136/0x150 [ 59.680221][ T5085] lockdep_rcu_suspicious+0x208/0x3a0 [ 59.685685][ T5085] veth_set_xdp_features+0x1c7/0x250 [ 59.690966][ T5085] veth_newlink+0x729/0x9d0 [ 59.695476][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 59.700578][ T5085] ? __rtnl_newlink+0xfd4/0x1840 [ 59.705538][ T5085] ? rtnl_newlink+0x68/0xa0 [ 59.710154][ T5085] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 59.715268][ T5085] ? netlink_rcv_skb+0x165/0x440 [ 59.720296][ T5085] ? netlink_unicast+0x547/0x7f0 [ 59.725227][ T5085] ? netlink_sendmsg+0x925/0xe30 [ 59.730261][ T5085] ? sock_sendmsg+0xde/0x190 [ 59.734880][ T5085] ? __sys_sendto+0x23a/0x340 [ 59.739571][ T5085] ? __x64_sys_sendto+0xe1/0x1b0 [ 59.744508][ T5085] ? do_syscall_64+0x39/0xb0 [ 59.749106][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.755185][ T5085] ? find_held_lock+0x2d/0x110 [ 59.759976][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 59.765556][ T5085] ? kvmalloc_node+0xa2/0x1a0 [ 59.770237][ T5085] ? rcu_read_lock_sched_held+0x3e/0x70 [ 59.775797][ T5085] ? trace_kmalloc+0xb4/0x110 [ 59.780577][ T5085] ? __kmalloc_node+0x77/0xd0 [ 59.785366][ T5085] ? __xdp_rxq_info_reg+0x18d/0x340 [ 59.790661][ T5085] ? alloc_netdev_mqs+0xdce/0x1250 [ 59.795786][ T5085] ? rtnl_create_link+0x9d8/0xee0 [ 59.800839][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 59.806478][ T5085] __rtnl_newlink+0x10c2/0x1840 [ 59.811355][ T5085] ? find_held_lock+0x2d/0x110 [ 59.816136][ T5085] ? rtnl_link_unregister+0x250/0x250 [ 59.821958][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 59.827545][ T5085] rtnl_newlink+0x68/0xa0 [ 59.831975][ T5085] ? __rtnl_newlink+0x1840/0x1840 [ 59.837012][ T5085] rtnetlink_rcv_msg+0x43d/0xd50 [ 59.841969][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 59.847004][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.853003][ T5085] ? do_syscall_64+0x39/0xb0 [ 59.857615][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.863698][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.869707][ T5085] netlink_rcv_skb+0x165/0x440 [ 59.874496][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 59.879534][ T5085] ? netlink_ack+0x1360/0x1360 [ 59.884417][ T5085] ? netlink_deliver_tap+0x1b1/0xcf0 [ 59.889728][ T5085] netlink_unicast+0x547/0x7f0 [ 59.894539][ T5085] ? netlink_attachskb+0x890/0x890 [ 59.899663][ T5085] ? __virt_addr_valid+0x61/0x2e0 [ 59.904881][ T5085] ? __phys_addr_symbol+0x30/0x70 [ 59.909923][ T5085] ? __check_object_size+0x333/0x6e0 [ 59.915240][ T5085] netlink_sendmsg+0x925/0xe30 [ 59.920029][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 59.925122][ T5085] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.930445][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 59.935483][ T5085] sock_sendmsg+0xde/0x190 [ 59.939936][ T5085] __sys_sendto+0x23a/0x340 [ 59.944479][ T5085] ? __ia32_sys_getpeername+0xb0/0xb0 [ 59.949914][ T5085] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 59.955843][ T5085] __x64_sys_sendto+0xe1/0x1b0 [ 59.960712][ T5085] ? syscall_enter_from_user_mode+0x26/0xb0 [ 59.966707][ T5085] do_syscall_64+0x39/0xb0 [ 59.971250][ T5085] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.977243][ T5085] RIP: 0033:0x7f422be3e12c [ 59.981662][ 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 [ 60.001622][ T5085] RSP: 002b:00007ffebdc4cc80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 60.010040][ T5085] RAX: ffffffffffffffda RBX: 00007f422cad4620 RCX: 00007f422be3e12c [ 60.018188][ T5085] RDX: 000000000000002c RSI: 00007f422cad4670 RDI: 0000000000000003 [ 60.026273][ T5085] RBP: 0000000000000000 R08: 00007ffebdc4ccd4 R09: 000000000000000c [ 60.034595][ T5085] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 60.042798][ T5085] R13: 00007f422cad4670 R14: 0000000000000003 R15: 0000000000000000 [ 60.050871][ T5085] [ 60.081823][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.089599][ T5085] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.097186][ T5085] bridge_slave_0: entered allmulticast mode [ 60.103862][ T5085] bridge_slave_0: entered promiscuous mode [ 60.112614][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.119896][ T5085] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.127199][ T5085] bridge_slave_1: entered allmulticast mode [ 60.134059][ T5085] bridge_slave_1: entered promiscuous mode [ 60.156582][ T5085] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.168168][ T5085] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.191689][ T5085] team0: Port device team_slave_0 added [ 60.199430][ T5085] team0: Port device team_slave_1 added [ 60.219017][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.226124][ 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. [ 60.252687][ T5085] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.265617][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.272836][ 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. [ 60.300230][ T5085] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.332096][ T5085] hsr_slave_0: entered promiscuous mode [ 60.338298][ T5085] hsr_slave_1: entered promiscuous mode [ 60.431088][ T5085] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.441905][ T5085] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.452542][ T5085] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.462043][ T5085] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.486404][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.493620][ T5085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.501751][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.509160][ T5085] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.536323][ T4569] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.548000][ T4569] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.578624][ T5085] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.590890][ T4569] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.600813][ T4569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.612959][ T5085] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.622926][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.632321][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.641523][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.648684][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.662235][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.671439][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.681020][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.688187][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.706843][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.716467][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.725342][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.734128][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.743222][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.752155][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.762186][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.774275][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.783240][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.797676][ T5085] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.810795][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.820133][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.830280][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.962830][ T5085] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.971287][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.979587][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.004977][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.013700][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.028314][ T5085] veth0_vlan: entered promiscuous mode [ 61.037948][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.047255][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.059777][ T5085] veth1_vlan: entered promiscuous mode [ 61.067264][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.076697][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.084542][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.109171][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.117329][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.127652][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.139895][ T5085] veth0_macvtap: entered promiscuous mode [ 61.149168][ T5085] veth1_macvtap: entered promiscuous mode [ 61.164153][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.173264][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.181649][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.189809][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.198498][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.210355][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.218733][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.227999][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.240745][ T5085] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.249980][ T5085] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.259218][ T5085] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.268012][ T5085] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.334251][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.362587][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.363134][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.370566][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.373050][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.393938][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2023/03/14 09:07:59 building call list... [ 61.495975][ T4400] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.373434][ 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. [ 63.591022][ T5080] can: request_module (can-proto-0) failed. [ 63.627662][ T5080] can: request_module (can-proto-0) failed. [ 63.663500][ T5080] can: request_module (can-proto-0) failed. [ 64.476716][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program