Warning: Permanently added '10.128.1.173' (ECDSA) to the list of known hosts. 2023/03/11 10:07:47 fuzzer started 2023/03/11 10:07:47 connecting to host at 10.128.0.169:46151 2023/03/11 10:07:47 checking machine... 2023/03/11 10:07:47 checking revisions... 2023/03/11 10:07:47 testing simple program... [ 64.967143][ T5082] cgroup: Unknown subsys name 'net' [ 65.085556][ T5082] cgroup: Unknown subsys name 'rlimit' [ 65.186905][ T5076] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5076 'syz-fuzzer' [ 65.305851][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 65.314099][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 65.322045][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 65.330390][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 65.338042][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 65.345929][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 65.465555][ T5084] chnl_net:caif_netlink_parms(): no params data found [ 65.488600][ T5084] [ 65.490973][ T5084] ============================= [ 65.495810][ T5084] WARNING: suspicious RCU usage [ 65.500734][ T5084] 6.3.0-rc1-syzkaller-00144-g064d70527aaa #0 Not tainted [ 65.507764][ T5084] ----------------------------- [ 65.512694][ T5084] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 65.520777][ T5084] [ 65.520777][ T5084] other info that might help us debug this: [ 65.520777][ T5084] [ 65.531187][ T5084] [ 65.531187][ T5084] rcu_scheduler_active = 2, debug_locks = 1 [ 65.539312][ T5084] 1 lock held by syz-executor.0/5084: [ 65.544671][ T5084] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 65.554256][ T5084] [ 65.554256][ T5084] stack backtrace: [ 65.560224][ T5084] CPU: 1 PID: 5084 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00144-g064d70527aaa #0 [ 65.570547][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 65.580598][ T5084] Call Trace: [ 65.583878][ T5084] [ 65.586804][ T5084] dump_stack_lvl+0x136/0x150 [ 65.591519][ T5084] lockdep_rcu_suspicious+0x208/0x3a0 [ 65.596935][ T5084] veth_set_xdp_features+0x1c7/0x250 [ 65.602297][ T5084] veth_newlink+0x729/0x9d0 [ 65.606804][ T5084] ? veth_set_features+0x1e0/0x1e0 [ 65.611912][ T5084] ? __rtnl_newlink+0xfd4/0x1840 [ 65.616850][ T5084] ? rtnl_newlink+0x68/0xa0 [ 65.621526][ T5084] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 65.626634][ T5084] ? netlink_rcv_skb+0x165/0x440 [ 65.631584][ T5084] ? netlink_unicast+0x547/0x7f0 [ 65.636687][ T5084] ? netlink_sendmsg+0x925/0xe30 [ 65.641617][ T5084] ? sock_sendmsg+0xde/0x190 [ 65.646203][ T5084] ? __sys_sendto+0x23a/0x340 [ 65.650874][ T5084] ? __x64_sys_sendto+0xe1/0x1b0 [ 65.655807][ T5084] ? do_syscall_64+0x39/0xb0 [ 65.660429][ T5084] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.666549][ T5084] ? find_held_lock+0x2d/0x110 [ 65.671328][ T5084] ? __kmem_cache_alloc_node+0x48/0x320 [ 65.676953][ T5084] ? kvmalloc_node+0xa2/0x1a0 [ 65.681638][ T5084] ? rcu_read_lock_sched_held+0x3e/0x70 [ 65.687203][ T5084] ? trace_kmalloc+0xb4/0x110 [ 65.691910][ T5084] ? __kmalloc_node+0x77/0xd0 [ 65.696593][ T5084] ? __xdp_rxq_info_reg+0x18d/0x340 [ 65.701808][ T5084] ? alloc_netdev_mqs+0xdce/0x1250 [ 65.706939][ T5084] ? rtnl_create_link+0x9d8/0xee0 [ 65.711978][ T5084] ? veth_set_features+0x1e0/0x1e0 [ 65.717099][ T5084] __rtnl_newlink+0x10c2/0x1840 [ 65.721979][ T5084] ? find_held_lock+0x2d/0x110 [ 65.726770][ T5084] ? rtnl_link_unregister+0x250/0x250 [ 65.732163][ T5084] ? __kmem_cache_alloc_node+0x48/0x320 [ 65.737923][ T5084] rtnl_newlink+0x68/0xa0 [ 65.742264][ T5084] ? __rtnl_newlink+0x1840/0x1840 [ 65.747520][ T5084] rtnetlink_rcv_msg+0x43d/0xd50 [ 65.752503][ T5084] ? rtnl_stats_set+0x4d0/0x4d0 [ 65.757377][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.763375][ T5084] ? do_syscall_64+0x39/0xb0 [ 65.767974][ T5084] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.774056][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.780042][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.786035][ T5084] netlink_rcv_skb+0x165/0x440 [ 65.790810][ T5084] ? rtnl_stats_set+0x4d0/0x4d0 [ 65.795684][ T5084] ? netlink_ack+0x1360/0x1360 [ 65.800562][ T5084] ? netlink_deliver_tap+0x1b1/0xcf0 [ 65.805871][ T5084] netlink_unicast+0x547/0x7f0 [ 65.810671][ T5084] ? netlink_attachskb+0x890/0x890 [ 65.815806][ T5084] ? __virt_addr_valid+0x61/0x2e0 [ 65.820872][ T5084] ? __phys_addr_symbol+0x30/0x70 [ 65.825942][ T5084] ? __check_object_size+0x333/0x6e0 [ 65.831785][ T5084] netlink_sendmsg+0x925/0xe30 [ 65.836571][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 65.841530][ T5084] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 65.846845][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 65.851800][ T5084] sock_sendmsg+0xde/0x190 [ 65.856238][ T5084] __sys_sendto+0x23a/0x340 [ 65.860755][ T5084] ? __ia32_sys_getpeername+0xb0/0xb0 [ 65.866164][ T5084] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 65.872089][ T5084] __x64_sys_sendto+0xe1/0x1b0 [ 65.876869][ T5084] ? syscall_enter_from_user_mode+0x26/0xb0 [ 65.882793][ T5084] do_syscall_64+0x39/0xb0 [ 65.887221][ T5084] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.893301][ T5084] RIP: 0033:0x7fb322c3e12c [ 65.897729][ T5084] 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 [ 65.917422][ T5084] RSP: 002b:00007ffe2b0ea570 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 65.925857][ T5084] RAX: ffffffffffffffda RBX: 00007fb3238d4620 RCX: 00007fb322c3e12c [ 65.933826][ T5084] RDX: 000000000000002c RSI: 00007fb3238d4670 RDI: 0000000000000003 [ 65.941795][ T5084] RBP: 0000000000000000 R08: 00007ffe2b0ea5c4 R09: 000000000000000c [ 65.949766][ T5084] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 65.957915][ T5084] R13: 00007fb3238d4670 R14: 0000000000000003 R15: 0000000000000000 [ 65.965934][ T5084] [ 65.997228][ T5084] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.004974][ T5084] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.012396][ T5084] bridge_slave_0: entered allmulticast mode [ 66.019717][ T5084] bridge_slave_0: entered promiscuous mode [ 66.028226][ T5084] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.035483][ T5084] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.042831][ T5084] bridge_slave_1: entered allmulticast mode [ 66.049935][ T5084] bridge_slave_1: entered promiscuous mode [ 66.072200][ T5084] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.084301][ T5084] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.109061][ T5084] team0: Port device team_slave_0 added [ 66.116629][ T5084] team0: Port device team_slave_1 added [ 66.135159][ T5084] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.142375][ T5084] 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. [ 66.168638][ T5084] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.182398][ T5084] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.189484][ T5084] 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. [ 66.215746][ T5084] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.248366][ T5084] hsr_slave_0: entered promiscuous mode [ 66.254715][ T5084] hsr_slave_1: entered promiscuous mode [ 66.345606][ T5084] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.356167][ T5084] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.366413][ T5084] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.375728][ T5084] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.400631][ T5084] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.407813][ T5084] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.415720][ T5084] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.422864][ T5084] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.469783][ T4746] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.478220][ T4746] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.491480][ T5084] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.504691][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.513678][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.526656][ T5084] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.536181][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.545965][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.557478][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.564592][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.589637][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.598464][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.607435][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.614683][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.622306][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.631095][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.640685][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.649666][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.660067][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.668908][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.677272][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.686719][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.696962][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.704956][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.713331][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.725370][ T5084] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.861185][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.869568][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.879503][ T5084] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.896632][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.905971][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.928048][ T5084] veth0_vlan: entered promiscuous mode [ 66.935866][ T5100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.944941][ T5100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.955526][ T5100] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.964115][ T5100] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.975151][ T5084] veth1_vlan: entered promiscuous mode [ 66.993329][ T5100] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.002567][ T5100] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.010793][ T5100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.020250][ T5100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.031660][ T5084] veth0_macvtap: entered promiscuous mode [ 67.045046][ T5084] veth1_macvtap: entered promiscuous mode [ 67.060815][ T5084] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.068336][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.076368][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.085036][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.093679][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.105420][ T5084] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.112949][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.121982][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.133333][ T5084] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.142715][ T5084] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.151801][ T5084] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.162581][ T5084] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.228688][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.236703][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.256176][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.266433][ T2854] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.275379][ T2854] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.284655][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/11 10:07:50 building call list... [ 67.430066][ T4399] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 69.323030][ T5075] 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. [ 69.522390][ T5075] can: request_module (can-proto-0) failed. [ 69.558355][ T5075] can: request_module (can-proto-0) failed. [ 69.592352][ T5075] can: request_module (can-proto-0) failed. [ 70.316114][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program