Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. 2023/03/15 11:44:24 fuzzer started 2023/03/15 11:44:25 connecting to host at 10.128.0.169:33463 2023/03/15 11:44:25 checking machine... 2023/03/15 11:44:25 checking revisions... 2023/03/15 11:44:25 testing simple program... syzkaller login: [ 63.828993][ T5082] cgroup: Unknown subsys name 'net' [ 63.988755][ T5082] cgroup: Unknown subsys name 'rlimit' [ 64.116419][ T5076] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5076 'syz-fuzzer' [ 64.238017][ T5086] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 64.245949][ T5086] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 64.254137][ T5086] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 64.262821][ T5086] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 64.272009][ T5086] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 64.279779][ T5086] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.402451][ T5084] chnl_net:caif_netlink_parms(): no params data found [ 64.425537][ T5084] [ 64.427927][ T5084] ============================= [ 64.433534][ T5084] WARNING: suspicious RCU usage [ 64.438477][ T5084] 6.3.0-rc2-next-20230315-syzkaller #0 Not tainted [ 64.444985][ T5084] ----------------------------- [ 64.450133][ T5084] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 64.458152][ T5084] [ 64.458152][ T5084] other info that might help us debug this: [ 64.458152][ T5084] [ 64.468451][ T5084] [ 64.468451][ T5084] rcu_scheduler_active = 2, debug_locks = 1 [ 64.476819][ T5084] 1 lock held by syz-executor.0/5084: [ 64.482258][ T5084] #0: ffffffff8e10a2c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 64.492082][ T5084] [ 64.492082][ T5084] stack backtrace: [ 64.498085][ T5084] CPU: 1 PID: 5084 Comm: syz-executor.0 Not tainted 6.3.0-rc2-next-20230315-syzkaller #0 [ 64.508005][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 64.518088][ T5084] Call Trace: [ 64.521461][ T5084] [ 64.524410][ T5084] dump_stack_lvl+0x136/0x150 [ 64.529455][ T5084] lockdep_rcu_suspicious+0x208/0x3a0 [ 64.534859][ T5084] veth_set_xdp_features+0x1c7/0x250 [ 64.540425][ T5084] veth_newlink+0x729/0x9d0 [ 64.544980][ T5084] ? veth_set_features+0x1e0/0x1e0 [ 64.550114][ T5084] ? __rtnl_newlink+0xfd4/0x1840 [ 64.555065][ T5084] ? rtnl_newlink+0x68/0xa0 [ 64.559580][ T5084] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 64.564777][ T5084] ? netlink_rcv_skb+0x165/0x440 [ 64.569728][ T5084] ? netlink_unicast+0x547/0x7f0 [ 64.574682][ T5084] ? netlink_sendmsg+0x925/0xe30 [ 64.579630][ T5084] ? sock_sendmsg+0xde/0x190 [ 64.584240][ T5084] ? __sys_sendto+0x23a/0x340 [ 64.589115][ T5084] ? __x64_sys_sendto+0xe1/0x1b0 [ 64.594152][ T5084] ? do_syscall_64+0x39/0xb0 [ 64.598776][ T5084] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.605069][ T5084] ? find_held_lock+0x2d/0x110 [ 64.609956][ T5084] ? __kmem_cache_alloc_node+0x48/0x320 [ 64.615580][ T5084] ? kvmalloc_node+0xa2/0x1a0 [ 64.620482][ T5084] ? rcu_read_lock_sched_held+0x3e/0x70 [ 64.626066][ T5084] ? trace_kmalloc+0xae/0x100 [ 64.630858][ T5084] ? __kmalloc_node+0x77/0xd0 [ 64.635558][ T5084] ? __xdp_rxq_info_reg+0x18d/0x340 [ 64.640956][ T5084] ? alloc_netdev_mqs+0xdce/0x1250 [ 64.646126][ T5084] ? rtnl_create_link+0x9d8/0xee0 [ 64.651891][ T5084] ? veth_set_features+0x1e0/0x1e0 [ 64.657135][ T5084] __rtnl_newlink+0x10c2/0x1840 [ 64.662035][ T5084] ? rtnl_link_unregister+0x250/0x250 [ 64.667464][ T5084] ? __kmem_cache_alloc_node+0x48/0x320 [ 64.673234][ T5084] rtnl_newlink+0x68/0xa0 [ 64.677667][ T5084] ? __rtnl_newlink+0x1840/0x1840 [ 64.682705][ T5084] rtnetlink_rcv_msg+0x43d/0xd50 [ 64.687674][ T5084] ? rtnl_stats_set+0x4d0/0x4d0 [ 64.692540][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 64.699689][ T5084] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.706043][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 64.712149][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 64.718366][ T5084] ? print_usage_bug.part.0+0x660/0x660 [ 64.724552][ T5084] netlink_rcv_skb+0x165/0x440 [ 64.729415][ T5084] ? rtnl_stats_set+0x4d0/0x4d0 [ 64.734297][ T5084] ? netlink_ack+0x1360/0x1360 [ 64.739090][ T5084] ? netlink_deliver_tap+0x1b1/0xcf0 [ 64.744831][ T5084] netlink_unicast+0x547/0x7f0 [ 64.749618][ T5084] ? netlink_attachskb+0x890/0x890 [ 64.754742][ T5084] ? __virt_addr_valid+0x61/0x2e0 [ 64.760138][ T5084] ? __phys_addr_symbol+0x30/0x70 [ 64.765621][ T5084] ? __check_object_size+0x333/0x6e0 [ 64.770933][ T5084] netlink_sendmsg+0x925/0xe30 [ 64.776066][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 64.781017][ T5084] ? __might_fault+0xb2/0x190 [ 64.785720][ T5084] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 64.791026][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 64.796095][ T5084] sock_sendmsg+0xde/0x190 [ 64.800737][ T5084] __sys_sendto+0x23a/0x340 [ 64.805262][ T5084] ? __ia32_sys_getpeername+0xb0/0xb0 [ 64.811194][ T5084] ? xfd_validate_state+0x5d/0x180 [ 64.816709][ T5084] __x64_sys_sendto+0xe1/0x1b0 [ 64.821513][ T5084] ? syscall_enter_from_user_mode+0x26/0xb0 [ 64.827458][ T5084] do_syscall_64+0x39/0xb0 [ 64.831896][ T5084] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.838167][ T5084] RIP: 0033:0x7f729143e12c [ 64.842695][ 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 [ 64.862746][ T5084] RSP: 002b:00007ffd8717e2d0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 64.871288][ T5084] RAX: ffffffffffffffda RBX: 00007f72920d4620 RCX: 00007f729143e12c [ 64.879269][ T5084] RDX: 000000000000002c RSI: 00007f72920d4670 RDI: 0000000000000003 [ 64.887330][ T5084] RBP: 0000000000000000 R08: 00007ffd8717e324 R09: 000000000000000c [ 64.895422][ T5084] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 64.903641][ T5084] R13: 00007f72920d4670 R14: 0000000000000003 R15: 0000000000000000 [ 64.913775][ T5084] [ 64.944102][ T5084] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.952781][ T5084] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.960595][ T5084] bridge_slave_0: entered allmulticast mode [ 64.968582][ T5084] bridge_slave_0: entered promiscuous mode [ 64.977238][ T5084] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.985124][ T5084] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.993194][ T5084] bridge_slave_1: entered allmulticast mode [ 65.000109][ T5084] bridge_slave_1: entered promiscuous mode [ 65.021999][ T5084] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.033467][ T5084] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.058907][ T5084] team0: Port device team_slave_0 added [ 65.066496][ T5084] team0: Port device team_slave_1 added [ 65.085297][ T5084] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.092617][ 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. [ 65.119834][ T5084] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.132788][ T5084] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.139948][ 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. [ 65.166658][ T5084] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.197673][ T5084] hsr_slave_0: entered promiscuous mode [ 65.204477][ T5084] hsr_slave_1: entered promiscuous mode [ 65.293405][ T5084] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.305480][ T5084] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.314925][ T5084] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.324493][ T5084] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.346834][ T5084] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.354302][ T5084] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.362414][ T5084] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.369654][ T5084] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.382911][ T4746] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.391462][ T4746] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.442899][ T5084] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.455424][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.466751][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.478079][ T5084] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.490640][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.499731][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.509983][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.517534][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.538902][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.548240][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.557338][ T5096] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.564544][ T5096] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.572531][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.581871][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.591372][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.600843][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.609945][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.619562][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.634481][ T5084] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.645014][ T5084] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.658719][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.666876][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.675906][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.685023][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.694653][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.703195][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.849530][ T5084] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.857116][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.865362][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.894589][ T5084] veth0_vlan: entered promiscuous mode [ 65.901376][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.911312][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.921174][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.930181][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.943788][ T5084] veth1_vlan: entered promiscuous mode [ 65.951244][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.960668][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.968773][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.992148][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.000838][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.010306][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.020649][ T5084] veth0_macvtap: entered promiscuous mode [ 66.032470][ T5084] veth1_macvtap: entered promiscuous mode [ 66.049314][ T5084] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.056856][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.065505][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.073755][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.083800][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.096176][ T5084] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.103882][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.112964][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.124448][ T5084] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.133613][ T5084] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.142498][ T5084] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.151485][ T5084] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.219981][ T75] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.229061][ T75] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.241119][ T4746] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.255590][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.264818][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.275485][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/15 11:44:27 building call list... [ 66.349852][ T4399] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 68.422840][ T5077] 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. [ 68.606898][ T5077] can: request_module (can-proto-0) failed. [ 68.646750][ T5077] can: request_module (can-proto-0) failed. [ 68.684109][ T5077] can: request_module (can-proto-0) failed. [ 69.377786][ T75] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program