Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. 2023/03/13 23:32:01 fuzzer started 2023/03/13 23:32:01 connecting to host at 10.128.0.169:43807 2023/03/13 23:32:01 checking machine... 2023/03/13 23:32:01 checking revisions... 2023/03/13 23:32:01 testing simple program... syzkaller login: [ 58.989743][ T5084] cgroup: Unknown subsys name 'net' [ 59.091414][ T5084] cgroup: Unknown subsys name 'rlimit' [ 59.212068][ T5078] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5078 'syz-fuzzer' [ 59.333806][ T5087] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.341980][ T5087] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.360760][ T5087] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.368462][ T5087] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.376277][ T5087] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.383475][ T5087] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.504795][ T5086] chnl_net:caif_netlink_parms(): no params data found [ 59.527896][ T5086] [ 59.530251][ T5086] ============================= [ 59.535833][ T5086] WARNING: suspicious RCU usage [ 59.540710][ T5086] 6.3.0-rc1-syzkaller-00146-g22a825c541d7 #0 Not tainted [ 59.547880][ T5086] ----------------------------- [ 59.552735][ T5086] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 59.560802][ T5086] [ 59.560802][ T5086] other info that might help us debug this: [ 59.560802][ T5086] [ 59.571535][ T5086] [ 59.571535][ T5086] rcu_scheduler_active = 2, debug_locks = 1 [ 59.579930][ T5086] 1 lock held by syz-executor.0/5086: [ 59.585380][ T5086] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 59.594945][ T5086] [ 59.594945][ T5086] stack backtrace: [ 59.600859][ T5086] CPU: 0 PID: 5086 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00146-g22a825c541d7 #0 [ 59.611180][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 59.621316][ T5086] Call Trace: [ 59.624613][ T5086] [ 59.627554][ T5086] dump_stack_lvl+0x136/0x150 [ 59.632256][ T5086] lockdep_rcu_suspicious+0x208/0x3a0 [ 59.637721][ T5086] veth_set_xdp_features+0x1c7/0x250 [ 59.643030][ T5086] veth_newlink+0x729/0x9d0 [ 59.647730][ T5086] ? veth_set_features+0x1e0/0x1e0 [ 59.652928][ T5086] ? __rtnl_newlink+0xfd4/0x1840 [ 59.658053][ T5086] ? rtnl_newlink+0x68/0xa0 [ 59.662567][ T5086] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 59.667785][ T5086] ? netlink_rcv_skb+0x165/0x440 [ 59.672768][ T5086] ? netlink_unicast+0x547/0x7f0 [ 59.677739][ T5086] ? netlink_sendmsg+0x925/0xe30 [ 59.682685][ T5086] ? sock_sendmsg+0xde/0x190 [ 59.687281][ T5086] ? __sys_sendto+0x23a/0x340 [ 59.692058][ T5086] ? __x64_sys_sendto+0xe1/0x1b0 [ 59.697028][ T5086] ? do_syscall_64+0x39/0xb0 [ 59.701656][ T5086] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.707754][ T5086] ? find_held_lock+0x2d/0x110 [ 59.712532][ T5086] ? __kmem_cache_alloc_node+0x48/0x320 [ 59.718099][ T5086] ? kvmalloc_node+0xa2/0x1a0 [ 59.723159][ T5086] ? rcu_read_lock_sched_held+0x3e/0x70 [ 59.728803][ T5086] ? trace_kmalloc+0xb4/0x110 [ 59.733500][ T5086] ? __kmalloc_node+0x77/0xd0 [ 59.738251][ T5086] ? __xdp_rxq_info_reg+0x18d/0x340 [ 59.743455][ T5086] ? alloc_netdev_mqs+0xdce/0x1250 [ 59.748662][ T5086] ? rtnl_create_link+0x9d8/0xee0 [ 59.753685][ T5086] ? veth_set_features+0x1e0/0x1e0 [ 59.758798][ T5086] __rtnl_newlink+0x10c2/0x1840 [ 59.764877][ T5086] ? rtnl_link_unregister+0x250/0x250 [ 59.770272][ T5086] rtnl_newlink+0x68/0xa0 [ 59.774615][ T5086] ? __rtnl_newlink+0x1840/0x1840 [ 59.779654][ T5086] rtnetlink_rcv_msg+0x43d/0xd50 [ 59.784593][ T5086] ? rtnl_stats_set+0x4d0/0x4d0 [ 59.789459][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.795436][ T5086] ? do_syscall_64+0x39/0xb0 [ 59.800021][ T5086] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.806111][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.812348][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.818329][ T5086] netlink_rcv_skb+0x165/0x440 [ 59.823109][ T5086] ? rtnl_stats_set+0x4d0/0x4d0 [ 59.828163][ T5086] ? netlink_ack+0x1360/0x1360 [ 59.833025][ T5086] ? netlink_deliver_tap+0x1b1/0xcf0 [ 59.838329][ T5086] netlink_unicast+0x547/0x7f0 [ 59.843100][ T5086] ? netlink_attachskb+0x890/0x890 [ 59.850552][ T5086] ? __virt_addr_valid+0x61/0x2e0 [ 59.855590][ T5086] ? __phys_addr_symbol+0x30/0x70 [ 59.860734][ T5086] ? __check_object_size+0x333/0x6e0 [ 59.866042][ T5086] netlink_sendmsg+0x925/0xe30 [ 59.870809][ T5086] ? netlink_unicast+0x7f0/0x7f0 [ 59.875776][ T5086] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.881060][ T5086] ? netlink_unicast+0x7f0/0x7f0 [ 59.886013][ T5086] sock_sendmsg+0xde/0x190 [ 59.890565][ T5086] __sys_sendto+0x23a/0x340 [ 59.895110][ T5086] ? __ia32_sys_getpeername+0xb0/0xb0 [ 59.900596][ T5086] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 59.906630][ T5086] __x64_sys_sendto+0xe1/0x1b0 [ 59.911413][ T5086] ? syscall_enter_from_user_mode+0x26/0xb0 [ 59.917320][ T5086] do_syscall_64+0x39/0xb0 [ 59.921741][ T5086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.927815][ T5086] RIP: 0033:0x7f9613a3e12c [ 59.932315][ 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 [ 59.951956][ T5086] RSP: 002b:00007fffd2dfd1c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 59.960452][ T5086] RAX: ffffffffffffffda RBX: 00007f96146d4620 RCX: 00007f9613a3e12c [ 59.968415][ T5086] RDX: 000000000000002c RSI: 00007f96146d4670 RDI: 0000000000000003 [ 59.976395][ T5086] RBP: 0000000000000000 R08: 00007fffd2dfd214 R09: 000000000000000c [ 59.984366][ T5086] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 59.992348][ T5086] R13: 00007f96146d4670 R14: 0000000000000003 R15: 0000000000000000 [ 60.000322][ T5086] [ 60.030299][ T5086] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.038056][ T5086] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.045495][ T5086] bridge_slave_0: entered allmulticast mode [ 60.052260][ T5086] bridge_slave_0: entered promiscuous mode [ 60.060910][ T5086] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.068121][ T5086] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.075448][ T5086] bridge_slave_1: entered allmulticast mode [ 60.082076][ T5086] bridge_slave_1: entered promiscuous mode [ 60.104330][ T5086] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.117458][ T5086] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.142261][ T5086] team0: Port device team_slave_0 added [ 60.150061][ T5086] team0: Port device team_slave_1 added [ 60.168184][ T5086] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.176084][ 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. [ 60.203989][ T5086] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.217091][ T5086] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.224065][ 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. [ 60.250567][ T5086] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.280902][ T5086] hsr_slave_0: entered promiscuous mode [ 60.287528][ T5086] hsr_slave_1: entered promiscuous mode [ 60.377833][ T5086] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.388387][ T5086] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.398425][ T5086] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.407682][ T5086] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.430686][ T5086] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.437910][ T5086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.446284][ T5086] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.453377][ T5086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.502535][ T5086] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.510698][ T1121] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.519464][ T1121] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.529281][ T1121] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.548768][ T5086] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.557476][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.566180][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.587314][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.597472][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.606655][ T4461] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.613717][ T4461] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.621610][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.630529][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.639169][ T4461] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.646362][ T4461] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.653985][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.663512][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.672454][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.681195][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.698797][ T5086] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.709982][ T5086] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.723256][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.731468][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.740543][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.749073][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.757522][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.767230][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.775821][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.785023][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.918921][ T5086] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.928168][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.935970][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.954799][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.963712][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.983372][ T5086] veth0_vlan: entered promiscuous mode [ 60.990762][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.999826][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.011736][ T5086] veth1_vlan: entered promiscuous mode [ 61.019376][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.027795][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.036077][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.057869][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.066791][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.076260][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.087049][ T5086] veth0_macvtap: entered promiscuous mode [ 61.103442][ T5086] veth1_macvtap: entered promiscuous mode [ 61.119319][ T5086] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.127179][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.136249][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.145612][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.154256][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.168986][ T5086] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.176649][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.186411][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.197504][ T5086] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.207174][ T5086] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.216298][ T5086] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.226751][ T5086] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.290773][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.321499][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.322047][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.332152][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.339483][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.352713][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/13 23:32:04 building call list... [ 61.477203][ T5087] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.329746][ T5079] 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. [ 63.490850][ T5079] can: request_module (can-proto-0) failed. [ 63.527147][ T5079] can: request_module (can-proto-0) failed. [ 63.560732][ T5079] can: request_module (can-proto-0) failed. [ 64.342104][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program