Warning: Permanently added '10.128.1.170' (ECDSA) to the list of known hosts. 2023/03/14 03:45:33 fuzzer started 2023/03/14 03:45:34 connecting to host at 10.128.0.169:44619 2023/03/14 03:45:34 checking machine... 2023/03/14 03:45:34 checking revisions... 2023/03/14 03:45:34 testing simple program... syzkaller login: [ 66.078678][ T5085] cgroup: Unknown subsys name 'net' [ 66.231005][ T5085] cgroup: Unknown subsys name 'rlimit' [ 66.353712][ T5078] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5078 'syz-fuzzer' [ 66.479853][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.488380][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.497072][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.505378][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.513548][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.521921][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.654441][ T5087] chnl_net:caif_netlink_parms(): no params data found [ 66.677444][ T5087] [ 66.680005][ T5087] ============================= [ 66.685674][ T5087] WARNING: suspicious RCU usage [ 66.690642][ T5087] 6.3.0-rc2-next-20230314-syzkaller #0 Not tainted [ 66.697269][ T5087] ----------------------------- [ 66.702130][ T5087] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 66.710746][ T5087] [ 66.710746][ T5087] other info that might help us debug this: [ 66.710746][ T5087] [ 66.721645][ T5087] [ 66.721645][ T5087] rcu_scheduler_active = 2, debug_locks = 1 [ 66.735077][ T5087] 1 lock held by syz-executor.0/5087: [ 66.740485][ T5087] #0: ffffffff8e109e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 66.750479][ T5087] [ 66.750479][ T5087] stack backtrace: [ 66.756510][ T5087] CPU: 0 PID: 5087 Comm: syz-executor.0 Not tainted 6.3.0-rc2-next-20230314-syzkaller #0 [ 66.766422][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 66.776663][ T5087] Call Trace: [ 66.779945][ T5087] [ 66.783164][ T5087] dump_stack_lvl+0x136/0x150 [ 66.788649][ T5087] lockdep_rcu_suspicious+0x208/0x3a0 [ 66.794146][ T5087] veth_set_xdp_features+0x1c7/0x250 [ 66.799534][ T5087] veth_newlink+0x729/0x9d0 [ 66.804093][ T5087] ? veth_set_features+0x1e0/0x1e0 [ 66.809235][ T5087] ? __rtnl_newlink+0xfd4/0x1840 [ 66.814190][ T5087] ? rtnl_newlink+0x68/0xa0 [ 66.818781][ T5087] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 66.824254][ T5087] ? netlink_rcv_skb+0x165/0x440 [ 66.829219][ T5087] ? netlink_unicast+0x547/0x7f0 [ 66.834270][ T5087] ? netlink_sendmsg+0x925/0xe30 [ 66.839505][ T5087] ? sock_sendmsg+0xde/0x190 [ 66.844198][ T5087] ? __sys_sendto+0x23a/0x340 [ 66.849003][ T5087] ? __x64_sys_sendto+0xe1/0x1b0 [ 66.854224][ T5087] ? do_syscall_64+0x39/0xb0 [ 66.858852][ T5087] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.865021][ T5087] ? find_held_lock+0x2d/0x110 [ 66.869783][ T5087] ? __kmem_cache_alloc_node+0x48/0x320 [ 66.875373][ T5087] ? kvmalloc_node+0xa2/0x1a0 [ 66.880068][ T5087] ? rcu_read_lock_sched_held+0x3e/0x70 [ 66.885645][ T5087] ? trace_kmalloc+0xae/0x100 [ 66.890345][ T5087] ? __kmalloc_node+0x77/0xd0 [ 66.895140][ T5087] ? __xdp_rxq_info_reg+0x18d/0x340 [ 66.900390][ T5087] ? alloc_netdev_mqs+0xdce/0x1250 [ 66.905706][ T5087] ? rtnl_create_link+0x9d8/0xee0 [ 66.910778][ T5087] ? veth_set_features+0x1e0/0x1e0 [ 66.916080][ T5087] __rtnl_newlink+0x10c2/0x1840 [ 66.920964][ T5087] ? find_held_lock+0x2d/0x110 [ 66.925850][ T5087] ? rtnl_link_unregister+0x250/0x250 [ 66.931672][ T5087] ? __kmem_cache_alloc_node+0x48/0x320 [ 66.937376][ T5087] rtnl_newlink+0x68/0xa0 [ 66.941937][ T5087] ? __rtnl_newlink+0x1840/0x1840 [ 66.947055][ T5087] rtnetlink_rcv_msg+0x43d/0xd50 [ 66.952106][ T5087] ? rtnl_stats_set+0x4d0/0x4d0 [ 66.957136][ T5087] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 66.963149][ T5087] ? lock_downgrade+0x690/0x690 [ 66.968021][ T5087] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 66.974038][ T5087] netlink_rcv_skb+0x165/0x440 [ 66.979021][ T5087] ? rtnl_stats_set+0x4d0/0x4d0 [ 66.984047][ T5087] ? netlink_ack+0x1360/0x1360 [ 66.989015][ T5087] ? netlink_deliver_tap+0x1b1/0xcf0 [ 66.994389][ T5087] netlink_unicast+0x547/0x7f0 [ 66.999336][ T5087] ? netlink_attachskb+0x890/0x890 [ 67.004456][ T5087] ? __virt_addr_valid+0x61/0x2e0 [ 67.009577][ T5087] ? __phys_addr_symbol+0x30/0x70 [ 67.014627][ T5087] ? __check_object_size+0x333/0x6e0 [ 67.020052][ T5087] netlink_sendmsg+0x925/0xe30 [ 67.024831][ T5087] ? netlink_unicast+0x7f0/0x7f0 [ 67.029788][ T5087] ? __might_fault+0xb2/0x190 [ 67.034695][ T5087] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 67.040266][ T5087] ? netlink_unicast+0x7f0/0x7f0 [ 67.045285][ T5087] sock_sendmsg+0xde/0x190 [ 67.049829][ T5087] __sys_sendto+0x23a/0x340 [ 67.054362][ T5087] ? __ia32_sys_getpeername+0xb0/0xb0 [ 67.059953][ T5087] ? xfd_validate_state+0x5d/0x180 [ 67.065171][ T5087] __x64_sys_sendto+0xe1/0x1b0 [ 67.069971][ T5087] ? syscall_enter_from_user_mode+0x26/0xb0 [ 67.075910][ T5087] do_syscall_64+0x39/0xb0 [ 67.080372][ T5087] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.086295][ T5087] RIP: 0033:0x7fd27bc3e12c [ 67.090721][ T5087] 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 [ 67.110433][ T5087] RSP: 002b:00007ffd78985c60 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 67.118951][ T5087] RAX: ffffffffffffffda RBX: 00007fd27c8d4620 RCX: 00007fd27bc3e12c [ 67.126952][ T5087] RDX: 000000000000002c RSI: 00007fd27c8d4670 RDI: 0000000000000003 [ 67.134961][ T5087] RBP: 0000000000000000 R08: 00007ffd78985cb4 R09: 000000000000000c [ 67.142964][ T5087] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 67.151067][ T5087] R13: 00007fd27c8d4670 R14: 0000000000000003 R15: 0000000000000000 [ 67.159184][ T5087] [ 67.191098][ T5087] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.198842][ T5087] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.206317][ T5087] bridge_slave_0: entered allmulticast mode [ 67.213082][ T5087] bridge_slave_0: entered promiscuous mode [ 67.222186][ T5087] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.229589][ T5087] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.237347][ T5087] bridge_slave_1: entered allmulticast mode [ 67.244389][ T5087] bridge_slave_1: entered promiscuous mode [ 67.265650][ T5087] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.276896][ T5087] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.302512][ T5087] team0: Port device team_slave_0 added [ 67.310371][ T5087] team0: Port device team_slave_1 added [ 67.328892][ T5087] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.336345][ T5087] 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. [ 67.362682][ T5087] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.376012][ T5087] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.382992][ T5087] 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. [ 67.409053][ T5087] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.440475][ T5087] hsr_slave_0: entered promiscuous mode [ 67.446909][ T5087] hsr_slave_1: entered promiscuous mode [ 67.539139][ T5087] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.550459][ T5087] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.561304][ T5087] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.570860][ T5087] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.593587][ T5087] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.601059][ T5087] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.609232][ T5087] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.616552][ T5087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.628267][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.636589][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.686338][ T5087] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.700870][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.711929][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.725552][ T5087] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.736694][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.746509][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.756664][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.763877][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.776332][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.785032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.795782][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.803132][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.817824][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.832155][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.842964][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.852283][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.869711][ T5087] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.883275][ T5087] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.896605][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.905813][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.914704][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.923483][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.934085][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.943017][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.952210][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.961607][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.108461][ T5087] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.117141][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.125891][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.145249][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.155109][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.173691][ T5087] veth0_vlan: entered promiscuous mode [ 68.181477][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.191340][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.204571][ T5087] veth1_vlan: entered promiscuous mode [ 68.220028][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.227994][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.236115][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.244642][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.263346][ T5087] veth0_macvtap: entered promiscuous mode [ 68.274476][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.283384][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.294740][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.306887][ T5087] veth1_macvtap: entered promiscuous mode [ 68.322667][ T5087] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.331425][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.339941][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.350038][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.362137][ T5087] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.370239][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.382318][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.395707][ T5087] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.409588][ T5087] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.419612][ T5087] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.430765][ T5087] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.499189][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.517146][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.531863][ T2022] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.541337][ T1159] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.551088][ T1159] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.561365][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.584985][ T48] Bluetooth: hci0: command 0x0409 tx timeout 2023/03/14 03:45:36 building call list... executing program [ 70.754207][ T5081] 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. [ 70.924825][ T5081] can: request_module (can-proto-0) failed. [ 70.963339][ T5081] can: request_module (can-proto-0) failed. [ 71.001358][ T5081] can: request_module (can-proto-0) failed. [ 71.329849][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 73.550857][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0