Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. 2023/03/15 02:22:44 fuzzer started 2023/03/15 02:22:45 connecting to host at 10.128.0.169:38113 2023/03/15 02:22:45 checking machine... 2023/03/15 02:22:45 checking revisions... 2023/03/15 02:22:45 testing simple program... syzkaller login: [ 60.176314][ T5090] cgroup: Unknown subsys name 'net' [ 60.321114][ T5090] cgroup: Unknown subsys name 'rlimit' [ 60.457494][ T5083] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5083 'syz-fuzzer' [ 60.582990][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.591155][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.598950][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.608684][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.616444][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.624076][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.747190][ T5092] chnl_net:caif_netlink_parms(): no params data found [ 60.771535][ T5092] [ 60.774165][ T5092] ============================= [ 60.779101][ T5092] WARNING: suspicious RCU usage [ 60.784129][ T5092] 6.3.0-rc2-next-20230315-syzkaller #0 Not tainted [ 60.790683][ T5092] ----------------------------- [ 60.795538][ T5092] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 60.803587][ T5092] [ 60.803587][ T5092] other info that might help us debug this: [ 60.803587][ T5092] [ 60.814238][ T5092] [ 60.814238][ T5092] rcu_scheduler_active = 2, debug_locks = 1 [ 60.822546][ T5092] 1 lock held by syz-executor.0/5092: [ 60.827937][ T5092] #0: ffffffff8e10a2c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 60.837578][ T5092] [ 60.837578][ T5092] stack backtrace: [ 60.843761][ T5092] CPU: 0 PID: 5092 Comm: syz-executor.0 Not tainted 6.3.0-rc2-next-20230315-syzkaller #0 [ 60.853588][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 60.863913][ T5092] Call Trace: [ 60.867197][ T5092] [ 60.870174][ T5092] dump_stack_lvl+0x136/0x150 [ 60.874882][ T5092] lockdep_rcu_suspicious+0x208/0x3a0 [ 60.880271][ T5092] veth_set_xdp_features+0x1c7/0x250 [ 60.885576][ T5092] veth_newlink+0x729/0x9d0 [ 60.890097][ T5092] ? veth_set_features+0x1e0/0x1e0 [ 60.895243][ T5092] ? __rtnl_newlink+0xfd4/0x1840 [ 60.900192][ T5092] ? rtnl_newlink+0x68/0xa0 [ 60.904717][ T5092] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 60.909876][ T5092] ? netlink_rcv_skb+0x165/0x440 [ 60.915040][ T5092] ? netlink_unicast+0x547/0x7f0 [ 60.920020][ T5092] ? netlink_sendmsg+0x925/0xe30 [ 60.924979][ T5092] ? sock_sendmsg+0xde/0x190 [ 60.929582][ T5092] ? __sys_sendto+0x23a/0x340 [ 60.934269][ T5092] ? __x64_sys_sendto+0xe1/0x1b0 [ 60.939228][ T5092] ? do_syscall_64+0x39/0xb0 [ 60.943831][ T5092] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.950004][ T5092] ? ___slab_alloc+0xca0/0x1400 [ 60.954877][ T5092] ? lockdep_hardirqs_on+0x7d/0x100 [ 60.960094][ T5092] ? kvmalloc_node+0xa2/0x1a0 [ 60.964803][ T5092] ? __kmem_cache_alloc_node+0x48/0x320 [ 60.970378][ T5092] ? kvmalloc_node+0xa2/0x1a0 [ 60.975068][ T5092] ? rcu_read_lock_sched_held+0x3e/0x70 [ 60.980664][ T5092] ? trace_kmalloc+0xae/0x100 [ 60.985371][ T5092] ? __kmalloc_node+0x77/0xd0 [ 60.990085][ T5092] ? __xdp_rxq_info_reg+0x18d/0x340 [ 60.995419][ T5092] ? alloc_netdev_mqs+0xdce/0x1250 [ 61.000598][ T5092] ? rtnl_create_link+0x9d8/0xee0 [ 61.005649][ T5092] ? veth_set_features+0x1e0/0x1e0 [ 61.010782][ T5092] __rtnl_newlink+0x10c2/0x1840 [ 61.015658][ T5092] ? find_held_lock+0x2d/0x110 [ 61.020526][ T5092] ? rtnl_link_unregister+0x250/0x250 [ 61.025976][ T5092] ? __kmem_cache_alloc_node+0x48/0x320 [ 61.031559][ T5092] rtnl_newlink+0x68/0xa0 [ 61.035982][ T5092] ? __rtnl_newlink+0x1840/0x1840 [ 61.041025][ T5092] rtnetlink_rcv_msg+0x43d/0xd50 [ 61.046068][ T5092] ? rtnl_stats_set+0x4d0/0x4d0 [ 61.050941][ T5092] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.056933][ T5092] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.063025][ T5092] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.069202][ T5092] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.075286][ T5092] ? print_usage_bug.part.0+0x660/0x660 [ 61.080945][ T5092] netlink_rcv_skb+0x165/0x440 [ 61.085728][ T5092] ? rtnl_stats_set+0x4d0/0x4d0 [ 61.090592][ T5092] ? netlink_ack+0x1360/0x1360 [ 61.095401][ T5092] ? netlink_deliver_tap+0x1b1/0xcf0 [ 61.100703][ T5092] netlink_unicast+0x547/0x7f0 [ 61.105479][ T5092] ? netlink_attachskb+0x890/0x890 [ 61.110686][ T5092] ? __virt_addr_valid+0x61/0x2e0 [ 61.115732][ T5092] ? __phys_addr_symbol+0x30/0x70 [ 61.120959][ T5092] ? __check_object_size+0x333/0x6e0 [ 61.126274][ T5092] netlink_sendmsg+0x925/0xe30 [ 61.131067][ T5092] ? netlink_unicast+0x7f0/0x7f0 [ 61.136011][ T5092] ? __might_fault+0xb2/0x190 [ 61.140824][ T5092] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 61.146142][ T5092] ? netlink_unicast+0x7f0/0x7f0 [ 61.151090][ T5092] sock_sendmsg+0xde/0x190 [ 61.155527][ T5092] __sys_sendto+0x23a/0x340 [ 61.160039][ T5092] ? __ia32_sys_getpeername+0xb0/0xb0 [ 61.165532][ T5092] ? xfd_validate_state+0x5d/0x180 [ 61.170673][ T5092] __x64_sys_sendto+0xe1/0x1b0 [ 61.175620][ T5092] ? syscall_enter_from_user_mode+0x26/0xb0 [ 61.181531][ T5092] do_syscall_64+0x39/0xb0 [ 61.185956][ T5092] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.191974][ T5092] RIP: 0033:0x7fbddda3e12c [ 61.196408][ T5092] 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 [ 61.216282][ T5092] RSP: 002b:00007ffc6ee95850 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 61.224727][ T5092] RAX: ffffffffffffffda RBX: 00007fbdde6d4620 RCX: 00007fbddda3e12c [ 61.233005][ T5092] RDX: 000000000000002c RSI: 00007fbdde6d4670 RDI: 0000000000000003 [ 61.241267][ T5092] RBP: 0000000000000000 R08: 00007ffc6ee958a4 R09: 000000000000000c [ 61.249269][ T5092] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 61.257373][ T5092] R13: 00007fbdde6d4670 R14: 0000000000000003 R15: 0000000000000000 [ 61.265388][ T5092] [ 61.295693][ T5092] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.302985][ T5092] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.310908][ T5092] bridge_slave_0: entered allmulticast mode [ 61.317541][ T5092] bridge_slave_0: entered promiscuous mode [ 61.326766][ T5092] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.334602][ T5092] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.342039][ T5092] bridge_slave_1: entered allmulticast mode [ 61.348836][ T5092] bridge_slave_1: entered promiscuous mode [ 61.372573][ T5092] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.384861][ T5092] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.409046][ T5092] team0: Port device team_slave_0 added [ 61.421754][ T5092] team0: Port device team_slave_1 added [ 61.441773][ T5092] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.448904][ T5092] 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. [ 61.475889][ T5092] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.490843][ T5092] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.497822][ T5092] 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. [ 61.524248][ T5092] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.554909][ T5092] hsr_slave_0: entered promiscuous mode [ 61.561666][ T5092] hsr_slave_1: entered promiscuous mode [ 61.651809][ T5092] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.662761][ T5092] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.674509][ T5092] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.684030][ T5092] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.706896][ T5092] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.714514][ T5092] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.723570][ T5092] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.731537][ T5092] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.782408][ T5092] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.792926][ T4746] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.802020][ T4746] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.811765][ T4746] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.831747][ T5092] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.840143][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.847972][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.861046][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.869897][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.878850][ T5102] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.885999][ T5102] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.898429][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.907434][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.916828][ T5102] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.924350][ T5102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.936749][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.949063][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.969600][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.978855][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.988230][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.997109][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.005993][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.014418][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.023008][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.031530][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.041185][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.050366][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.196762][ T5092] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.205759][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.213875][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.230544][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.240712][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.260058][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.269768][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.278857][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.287230][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.296485][ T5092] veth0_vlan: entered promiscuous mode [ 62.306659][ T5092] veth1_vlan: entered promiscuous mode [ 62.325481][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.334002][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.342642][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.352081][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.362236][ T5092] veth0_macvtap: entered promiscuous mode [ 62.378937][ T5092] veth1_macvtap: entered promiscuous mode [ 62.394852][ T5092] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.404124][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.412788][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.421305][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.430108][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.443123][ T5092] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.451765][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.460729][ T5103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.472867][ T5092] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.481974][ T5092] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.491107][ T5092] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.501478][ T5092] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.565400][ T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.584732][ T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.594827][ T1025] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.597488][ T4746] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.603430][ T1025] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.619240][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/15 02:22:47 building call list... [ 62.660437][ T4400] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 64.757455][ T5088] 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. [ 64.932591][ T5088] can: request_module (can-proto-0) failed. [ 64.971782][ T5088] can: request_module (can-proto-0) failed. [ 65.011674][ T5088] can: request_module (can-proto-0) failed. [ 65.727999][ T41] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program