Warning: Permanently added '10.128.1.178' (ECDSA) to the list of known hosts. 2023/03/13 14:45:32 fuzzer started 2023/03/13 14:45:32 connecting to host at 10.128.0.169:36107 2023/03/13 14:45:32 checking machine... 2023/03/13 14:45:32 checking revisions... 2023/03/13 14:45:32 testing simple program... [ 56.844017][ T5084] cgroup: Unknown subsys name 'net' [ 56.949824][ T5084] cgroup: Unknown subsys name 'rlimit' [ 57.080354][ T5080] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5080 'syz-fuzzer' [ 57.199409][ T5087] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.207349][ T5087] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.215214][ T5087] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.223996][ T5087] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.231814][ T5087] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.239910][ T5087] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.358999][ T5086] chnl_net:caif_netlink_parms(): no params data found [ 57.380598][ T5086] [ 57.383006][ T5086] ============================= [ 57.387908][ T5086] WARNING: suspicious RCU usage [ 57.392832][ T5086] 6.3.0-rc1-syzkaller-00144-g064d70527aaa #0 Not tainted [ 57.400038][ T5086] ----------------------------- [ 57.404932][ T5086] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 57.412953][ T5086] [ 57.412953][ T5086] other info that might help us debug this: [ 57.412953][ T5086] [ 57.423251][ T5086] [ 57.423251][ T5086] rcu_scheduler_active = 2, debug_locks = 1 [ 57.431412][ T5086] 1 lock held by syz-executor.0/5086: [ 57.436908][ T5086] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 57.446408][ T5086] [ 57.446408][ T5086] stack backtrace: [ 57.452283][ T5086] CPU: 0 PID: 5086 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00144-g064d70527aaa #0 [ 57.462779][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 57.472925][ T5086] Call Trace: [ 57.476196][ T5086] [ 57.479118][ T5086] dump_stack_lvl+0x136/0x150 [ 57.484159][ T5086] lockdep_rcu_suspicious+0x208/0x3a0 [ 57.489528][ T5086] veth_set_xdp_features+0x1c7/0x250 [ 57.494813][ T5086] veth_newlink+0x729/0x9d0 [ 57.499313][ T5086] ? veth_set_features+0x1e0/0x1e0 [ 57.504418][ T5086] ? __rtnl_newlink+0xfd4/0x1840 [ 57.509360][ T5086] ? rtnl_newlink+0x68/0xa0 [ 57.513858][ T5086] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 57.518980][ T5086] ? netlink_rcv_skb+0x165/0x440 [ 57.523931][ T5086] ? netlink_unicast+0x547/0x7f0 [ 57.528898][ T5086] ? netlink_sendmsg+0x925/0xe30 [ 57.533916][ T5086] ? sock_sendmsg+0xde/0x190 [ 57.538510][ T5086] ? __sys_sendto+0x23a/0x340 [ 57.543270][ T5086] ? __x64_sys_sendto+0xe1/0x1b0 [ 57.548202][ T5086] ? do_syscall_64+0x39/0xb0 [ 57.552805][ T5086] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.558916][ T5086] ? find_held_lock+0x2d/0x110 [ 57.563692][ T5086] ? __kmem_cache_alloc_node+0x48/0x320 [ 57.569340][ T5086] ? kvmalloc_node+0xa2/0x1a0 [ 57.574027][ T5086] ? rcu_read_lock_sched_held+0x3e/0x70 [ 57.579660][ T5086] ? trace_kmalloc+0xb4/0x110 [ 57.584425][ T5086] ? __kmalloc_node+0x77/0xd0 [ 57.589123][ T5086] ? __xdp_rxq_info_reg+0x18d/0x340 [ 57.594412][ T5086] ? alloc_netdev_mqs+0xdce/0x1250 [ 57.599544][ T5086] ? rtnl_create_link+0x9d8/0xee0 [ 57.604597][ T5086] ? veth_set_features+0x1e0/0x1e0 [ 57.609714][ T5086] __rtnl_newlink+0x10c2/0x1840 [ 57.614580][ T5086] ? find_held_lock+0x2d/0x110 [ 57.619353][ T5086] ? rtnl_link_unregister+0x250/0x250 [ 57.624722][ T5086] ? __kmem_cache_alloc_node+0x48/0x320 [ 57.630306][ T5086] rtnl_newlink+0x68/0xa0 [ 57.634633][ T5086] ? __rtnl_newlink+0x1840/0x1840 [ 57.639660][ T5086] rtnetlink_rcv_msg+0x43d/0xd50 [ 57.644855][ T5086] ? rtnl_stats_set+0x4d0/0x4d0 [ 57.649698][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.655671][ T5086] ? do_syscall_64+0x39/0xb0 [ 57.660266][ T5086] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.666330][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.672322][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.678298][ T5086] netlink_rcv_skb+0x165/0x440 [ 57.683061][ T5086] ? rtnl_stats_set+0x4d0/0x4d0 [ 57.687917][ T5086] ? netlink_ack+0x1360/0x1360 [ 57.692698][ T5086] ? netlink_deliver_tap+0x1b1/0xcf0 [ 57.698001][ T5086] netlink_unicast+0x547/0x7f0 [ 57.702774][ T5086] ? netlink_attachskb+0x890/0x890 [ 57.707899][ T5086] ? __virt_addr_valid+0x61/0x2e0 [ 57.713105][ T5086] ? __phys_addr_symbol+0x30/0x70 [ 57.718124][ T5086] ? __check_object_size+0x333/0x6e0 [ 57.723495][ T5086] netlink_sendmsg+0x925/0xe30 [ 57.728442][ T5086] ? netlink_unicast+0x7f0/0x7f0 [ 57.733385][ T5086] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 57.738667][ T5086] ? netlink_unicast+0x7f0/0x7f0 [ 57.744048][ T5086] sock_sendmsg+0xde/0x190 [ 57.748491][ T5086] __sys_sendto+0x23a/0x340 [ 57.753119][ T5086] ? __ia32_sys_getpeername+0xb0/0xb0 [ 57.758533][ T5086] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 57.764469][ T5086] __x64_sys_sendto+0xe1/0x1b0 [ 57.769324][ T5086] ? syscall_enter_from_user_mode+0x26/0xb0 [ 57.775303][ T5086] do_syscall_64+0x39/0xb0 [ 57.779712][ T5086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.785777][ T5086] RIP: 0033:0x7f9aa423e12c [ 57.790188][ T5086] 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 [ 57.810156][ T5086] RSP: 002b:00007fffd2b52f20 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 57.818587][ T5086] RAX: ffffffffffffffda RBX: 00007f9aa4ed4620 RCX: 00007f9aa423e12c [ 57.826576][ T5086] RDX: 000000000000002c RSI: 00007f9aa4ed4670 RDI: 0000000000000003 [ 57.834539][ T5086] RBP: 0000000000000000 R08: 00007fffd2b52f74 R09: 000000000000000c [ 57.842539][ T5086] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 57.850524][ T5086] R13: 00007f9aa4ed4670 R14: 0000000000000003 R15: 0000000000000000 [ 57.858526][ T5086] [ 57.888956][ T5086] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.896674][ T5086] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.904481][ T5086] bridge_slave_0: entered allmulticast mode [ 57.911306][ T5086] bridge_slave_0: entered promiscuous mode [ 57.919904][ T5086] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.927677][ T5086] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.935114][ T5086] bridge_slave_1: entered allmulticast mode [ 57.942020][ T5086] bridge_slave_1: entered promiscuous mode [ 57.964037][ T5086] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.975712][ T5086] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.998137][ T5086] team0: Port device team_slave_0 added [ 58.005910][ T5086] team0: Port device team_slave_1 added [ 58.024796][ T5086] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.031765][ T5086] 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. [ 58.058437][ T5086] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.071126][ T5086] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.078131][ T5086] 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. [ 58.104865][ T5086] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.135006][ T5086] hsr_slave_0: entered promiscuous mode [ 58.141270][ T5086] hsr_slave_1: entered promiscuous mode [ 58.228899][ T5086] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.239679][ T5086] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.249340][ T5086] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.259055][ T5086] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.280479][ T5086] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.287982][ T5086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.295918][ T5086] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.303274][ T5086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.335404][ T2185] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.345776][ T2185] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.375109][ T5086] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.387075][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.397259][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.408578][ T5086] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.418819][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.427769][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.436416][ T897] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.443595][ T897] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.462877][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.471565][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.480637][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.487781][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.495386][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.504815][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.513794][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.524553][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.533243][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.541935][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.552998][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.565382][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.573964][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.589683][ T2185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.598652][ T2185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.608404][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.739208][ T5086] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.747250][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.755036][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.774242][ T2185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.784322][ T2185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.801355][ T5086] veth0_vlan: entered promiscuous mode [ 58.808136][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.817345][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.826886][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.834840][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.847878][ T5086] veth1_vlan: entered promiscuous mode [ 58.865417][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.874487][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.883692][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.892362][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.903964][ T5086] veth0_macvtap: entered promiscuous mode [ 58.912239][ T5086] veth1_macvtap: entered promiscuous mode [ 58.931663][ T5086] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.940977][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.949722][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.959072][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.968344][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.981048][ T5086] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.989254][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.998474][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.010315][ T5086] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.019956][ T5086] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.028993][ T5086] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.038972][ T5086] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.099136][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.116790][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.128636][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.137819][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.147250][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.156455][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/13 14:45:35 building call list... [ 59.293934][ T5087] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.181091][ T5074] 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. [ 61.372200][ T5074] can: request_module (can-proto-0) failed. [ 61.409035][ T5074] can: request_module (can-proto-0) failed. [ 61.442194][ T5074] can: request_module (can-proto-0) failed. [ 61.989594][ T41] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program