Warning: Permanently added '10.128.10.16' (ECDSA) to the list of known hosts. 2023/03/13 14:45:30 fuzzer started 2023/03/13 14:45:31 connecting to host at 10.128.0.169:45985 2023/03/13 14:45:31 checking machine... 2023/03/13 14:45:31 checking revisions... 2023/03/13 14:45:31 testing simple program... syzkaller login: [ 52.303588][ T5083] cgroup: Unknown subsys name 'net' [ 52.418429][ T5083] cgroup: Unknown subsys name 'rlimit' [ 52.547217][ T5077] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5077 'syz-fuzzer' [ 52.670326][ T5087] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.678674][ T5087] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.686688][ T5087] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.695357][ T5087] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.703528][ T5087] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.711132][ T5087] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.836460][ T5085] chnl_net:caif_netlink_parms(): no params data found [ 52.859725][ T5085] [ 52.862141][ T5085] ============================= [ 52.867373][ T5085] WARNING: suspicious RCU usage [ 52.872527][ T5085] 6.3.0-rc1-syzkaller-00144-g064d70527aaa #0 Not tainted [ 52.879677][ T5085] ----------------------------- [ 52.884803][ T5085] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 52.896412][ T5085] [ 52.896412][ T5085] other info that might help us debug this: [ 52.896412][ T5085] [ 52.907278][ T5085] [ 52.907278][ T5085] rcu_scheduler_active = 2, debug_locks = 1 [ 52.915749][ T5085] 1 lock held by syz-executor.0/5085: [ 52.921186][ T5085] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 52.930810][ T5085] [ 52.930810][ T5085] stack backtrace: [ 52.936816][ T5085] CPU: 0 PID: 5085 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00144-g064d70527aaa #0 [ 52.947178][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 52.957410][ T5085] Call Trace: [ 52.960688][ T5085] [ 52.963629][ T5085] dump_stack_lvl+0x136/0x150 [ 52.968508][ T5085] lockdep_rcu_suspicious+0x208/0x3a0 [ 52.973890][ T5085] veth_set_xdp_features+0x1c7/0x250 [ 52.979223][ T5085] veth_newlink+0x729/0x9d0 [ 52.983755][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 52.988991][ T5085] ? __rtnl_newlink+0xfd4/0x1840 [ 52.994316][ T5085] ? rtnl_newlink+0x68/0xa0 [ 52.999473][ T5085] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 53.004609][ T5085] ? netlink_rcv_skb+0x165/0x440 [ 53.009563][ T5085] ? netlink_unicast+0x547/0x7f0 [ 53.014516][ T5085] ? netlink_sendmsg+0x925/0xe30 [ 53.019623][ T5085] ? sock_sendmsg+0xde/0x190 [ 53.024339][ T5085] ? __sys_sendto+0x23a/0x340 [ 53.029045][ T5085] ? __x64_sys_sendto+0xe1/0x1b0 [ 53.034094][ T5085] ? do_syscall_64+0x39/0xb0 [ 53.038807][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.044993][ T5085] ? find_held_lock+0x2d/0x110 [ 53.049793][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 53.055523][ T5085] ? kvmalloc_node+0xa2/0x1a0 [ 53.060208][ T5085] ? rcu_read_lock_sched_held+0x3e/0x70 [ 53.065772][ T5085] ? trace_kmalloc+0xb4/0x110 [ 53.070452][ T5085] ? __kmalloc_node+0x77/0xd0 [ 53.075248][ T5085] ? __xdp_rxq_info_reg+0x18d/0x340 [ 53.080474][ T5085] ? alloc_netdev_mqs+0xdce/0x1250 [ 53.085607][ T5085] ? rtnl_create_link+0x9d8/0xee0 [ 53.090750][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 53.095901][ T5085] __rtnl_newlink+0x10c2/0x1840 [ 53.100876][ T5085] ? find_held_lock+0x2d/0x110 [ 53.105761][ T5085] ? rtnl_link_unregister+0x250/0x250 [ 53.111151][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 53.116741][ T5085] rtnl_newlink+0x68/0xa0 [ 53.121173][ T5085] ? __rtnl_newlink+0x1840/0x1840 [ 53.126303][ T5085] rtnetlink_rcv_msg+0x43d/0xd50 [ 53.131259][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 53.136121][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 53.142214][ T5085] ? do_syscall_64+0x39/0xb0 [ 53.146829][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.153021][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 53.159132][ T5085] netlink_rcv_skb+0x165/0x440 [ 53.164038][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 53.168968][ T5085] ? netlink_ack+0x1360/0x1360 [ 53.173847][ T5085] ? netlink_deliver_tap+0x1b1/0xcf0 [ 53.179168][ T5085] netlink_unicast+0x547/0x7f0 [ 53.184061][ T5085] ? netlink_attachskb+0x890/0x890 [ 53.189186][ T5085] ? __virt_addr_valid+0x61/0x2e0 [ 53.194271][ T5085] ? __phys_addr_symbol+0x30/0x70 [ 53.199512][ T5085] ? __check_object_size+0x333/0x6e0 [ 53.204928][ T5085] netlink_sendmsg+0x925/0xe30 [ 53.209807][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 53.214951][ T5085] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 53.220783][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 53.226017][ T5085] sock_sendmsg+0xde/0x190 [ 53.230639][ T5085] __sys_sendto+0x23a/0x340 [ 53.235161][ T5085] ? __ia32_sys_getpeername+0xb0/0xb0 [ 53.240580][ T5085] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 53.246526][ T5085] __x64_sys_sendto+0xe1/0x1b0 [ 53.251326][ T5085] ? syscall_enter_from_user_mode+0x26/0xb0 [ 53.257514][ T5085] do_syscall_64+0x39/0xb0 [ 53.261949][ T5085] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.267880][ T5085] RIP: 0033:0x7f0dba83e12c [ 53.272317][ 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 [ 53.292247][ T5085] RSP: 002b:00007ffeaa37bb70 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 53.300691][ T5085] RAX: ffffffffffffffda RBX: 00007f0dbb4d4620 RCX: 00007f0dba83e12c [ 53.308693][ T5085] RDX: 000000000000002c RSI: 00007f0dbb4d4670 RDI: 0000000000000003 [ 53.316762][ T5085] RBP: 0000000000000000 R08: 00007ffeaa37bbc4 R09: 000000000000000c [ 53.325020][ T5085] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 53.333091][ T5085] R13: 00007f0dbb4d4670 R14: 0000000000000003 R15: 0000000000000000 [ 53.341279][ T5085] [ 53.373886][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.381731][ T5085] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.389525][ T5085] bridge_slave_0: entered allmulticast mode [ 53.396276][ T5085] bridge_slave_0: entered promiscuous mode [ 53.405429][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.413672][ T5085] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.422001][ T5085] bridge_slave_1: entered allmulticast mode [ 53.428695][ T5085] bridge_slave_1: entered promiscuous mode [ 53.450799][ T5085] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.463322][ T5085] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.486876][ T5085] team0: Port device team_slave_0 added [ 53.496328][ T5085] team0: Port device team_slave_1 added [ 53.516046][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.523086][ 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. [ 53.549665][ T5085] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.562720][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.570597][ 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. [ 53.596811][ T5085] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.627799][ T5085] hsr_slave_0: entered promiscuous mode [ 53.634702][ T5085] hsr_slave_1: entered promiscuous mode [ 53.729118][ T5085] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.741079][ T5085] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.752421][ T5085] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.764160][ T5085] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.787065][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.794450][ T5085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.803742][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.811095][ T5085] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.841384][ T5095] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.852847][ T5095] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.887921][ T5085] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.902100][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.912822][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.925380][ T5085] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.935991][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.945964][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.955934][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.963456][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.976614][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.986497][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.996456][ T5095] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.003716][ T5095] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.019337][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.029631][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.042212][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.051422][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.060931][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.078454][ T5085] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.089302][ T5085] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.103339][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.112731][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.122348][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.131384][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.140727][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.149556][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.158290][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.290507][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.298133][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.310072][ T5085] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.328381][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.337311][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.356982][ T5085] veth0_vlan: entered promiscuous mode [ 54.364050][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.372846][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.384788][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.394577][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.407513][ T5085] veth1_vlan: entered promiscuous mode [ 54.428496][ T5085] veth0_macvtap: entered promiscuous mode [ 54.437370][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.445871][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.454474][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.464615][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.476137][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.485576][ T5085] veth1_macvtap: entered promiscuous mode [ 54.501050][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.508727][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.518050][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.527224][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.541336][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.549657][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.558652][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.571944][ T5085] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.581195][ T5085] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.592078][ T5085] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.601136][ T5085] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.670064][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.678319][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.695060][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.713684][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.722907][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.732115][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/13 14:45:33 building call list... [ 54.800913][ T5087] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.697379][ 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. [ 56.890160][ T5081] can: request_module (can-proto-0) failed. [ 56.926450][ T5081] can: request_module (can-proto-0) failed. [ 56.962713][ T5081] can: request_module (can-proto-0) failed. [ 57.543043][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program