Warning: Permanently added '10.128.1.93' (ECDSA) to the list of known hosts. 2023/03/14 00:16:26 fuzzer started 2023/03/14 00:16:26 connecting to host at 10.128.0.169:37725 2023/03/14 00:16:26 checking machine... 2023/03/14 00:16:26 checking revisions... 2023/03/14 00:16:26 testing simple program... [ 56.765308][ T5085] cgroup: Unknown subsys name 'net' [ 56.870237][ T5085] cgroup: Unknown subsys name 'rlimit' [ 56.979208][ T5078] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5078 'syz-fuzzer' [ 57.097091][ T5088] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.105381][ T5088] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.113489][ T5088] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.121526][ T5088] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.130033][ T5088] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.138137][ T5088] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.262715][ T5087] chnl_net:caif_netlink_parms(): no params data found [ 57.285490][ T5087] [ 57.287879][ T5087] ============================= [ 57.293327][ T5087] WARNING: suspicious RCU usage [ 57.298181][ T5087] 6.3.0-rc1-syzkaller-00147-g1a9dc5610ef8 #0 Not tainted [ 57.305248][ T5087] ----------------------------- [ 57.310099][ T5087] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 57.318125][ T5087] [ 57.318125][ T5087] other info that might help us debug this: [ 57.318125][ T5087] [ 57.328390][ T5087] [ 57.328390][ T5087] rcu_scheduler_active = 2, debug_locks = 1 [ 57.336487][ T5087] 1 lock held by syz-executor.0/5087: [ 57.341945][ T5087] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 57.351517][ T5087] [ 57.351517][ T5087] stack backtrace: [ 57.358873][ T5087] CPU: 1 PID: 5087 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00147-g1a9dc5610ef8 #0 [ 57.369217][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 57.379279][ T5087] Call Trace: [ 57.382564][ T5087] [ 57.385517][ T5087] dump_stack_lvl+0x136/0x150 [ 57.390196][ T5087] lockdep_rcu_suspicious+0x208/0x3a0 [ 57.395853][ T5087] veth_set_xdp_features+0x1c7/0x250 [ 57.401133][ T5087] veth_newlink+0x729/0x9d0 [ 57.405645][ T5087] ? veth_set_features+0x1e0/0x1e0 [ 57.410751][ T5087] ? __rtnl_newlink+0xfd4/0x1840 [ 57.415688][ T5087] ? rtnl_newlink+0x68/0xa0 [ 57.420200][ T5087] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 57.425403][ T5087] ? netlink_rcv_skb+0x165/0x440 [ 57.430345][ T5087] ? netlink_unicast+0x547/0x7f0 [ 57.435278][ T5087] ? netlink_sendmsg+0x925/0xe30 [ 57.440243][ T5087] ? sock_sendmsg+0xde/0x190 [ 57.444836][ T5087] ? __sys_sendto+0x23a/0x340 [ 57.449508][ T5087] ? __x64_sys_sendto+0xe1/0x1b0 [ 57.454531][ T5087] ? do_syscall_64+0x39/0xb0 [ 57.459115][ T5087] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.465189][ T5087] ? find_held_lock+0x2d/0x110 [ 57.469955][ T5087] ? __kmem_cache_alloc_node+0x48/0x320 [ 57.475530][ T5087] ? kvmalloc_node+0xa2/0x1a0 [ 57.480312][ T5087] ? rcu_read_lock_sched_held+0x3e/0x70 [ 57.486029][ T5087] ? trace_kmalloc+0xb4/0x110 [ 57.490706][ T5087] ? __kmalloc_node+0x77/0xd0 [ 57.495380][ T5087] ? __xdp_rxq_info_reg+0x18d/0x340 [ 57.500577][ T5087] ? alloc_netdev_mqs+0xdce/0x1250 [ 57.505694][ T5087] ? rtnl_create_link+0x9d8/0xee0 [ 57.510742][ T5087] ? veth_set_features+0x1e0/0x1e0 [ 57.515858][ T5087] __rtnl_newlink+0x10c2/0x1840 [ 57.520735][ T5087] ? find_held_lock+0x2d/0x110 [ 57.525502][ T5087] ? rtnl_link_unregister+0x250/0x250 [ 57.530878][ T5087] ? __kmem_cache_alloc_node+0x48/0x320 [ 57.536443][ T5087] rtnl_newlink+0x68/0xa0 [ 57.540780][ T5087] ? __rtnl_newlink+0x1840/0x1840 [ 57.545806][ T5087] rtnetlink_rcv_msg+0x43d/0xd50 [ 57.550745][ T5087] ? rtnl_stats_set+0x4d0/0x4d0 [ 57.555618][ T5087] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.561594][ T5087] ? do_syscall_64+0x39/0xb0 [ 57.566203][ T5087] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.572294][ T5087] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.578363][ T5087] netlink_rcv_skb+0x165/0x440 [ 57.583139][ T5087] ? rtnl_stats_set+0x4d0/0x4d0 [ 57.588031][ T5087] ? netlink_ack+0x1360/0x1360 [ 57.592836][ T5087] ? netlink_deliver_tap+0x1b1/0xcf0 [ 57.598127][ T5087] netlink_unicast+0x547/0x7f0 [ 57.602996][ T5087] ? netlink_attachskb+0x890/0x890 [ 57.608125][ T5087] ? __virt_addr_valid+0x61/0x2e0 [ 57.613149][ T5087] ? __phys_addr_symbol+0x30/0x70 [ 57.618172][ T5087] ? __check_object_size+0x333/0x6e0 [ 57.623472][ T5087] netlink_sendmsg+0x925/0xe30 [ 57.628248][ T5087] ? netlink_unicast+0x7f0/0x7f0 [ 57.633211][ T5087] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 57.638495][ T5087] ? netlink_unicast+0x7f0/0x7f0 [ 57.643438][ T5087] sock_sendmsg+0xde/0x190 [ 57.647973][ T5087] __sys_sendto+0x23a/0x340 [ 57.652483][ T5087] ? __ia32_sys_getpeername+0xb0/0xb0 [ 57.657890][ T5087] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 57.663795][ T5087] __x64_sys_sendto+0xe1/0x1b0 [ 57.668641][ T5087] ? syscall_enter_from_user_mode+0x26/0xb0 [ 57.674667][ T5087] do_syscall_64+0x39/0xb0 [ 57.679118][ T5087] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.685117][ T5087] RIP: 0033:0x7fc239e3e12c [ 57.689532][ 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 [ 57.709251][ T5087] RSP: 002b:00007ffd9e5c8f50 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 57.717690][ T5087] RAX: ffffffffffffffda RBX: 00007fc23aad4620 RCX: 00007fc239e3e12c [ 57.725673][ T5087] RDX: 000000000000002c RSI: 00007fc23aad4670 RDI: 0000000000000003 [ 57.733653][ T5087] RBP: 0000000000000000 R08: 00007ffd9e5c8fa4 R09: 000000000000000c [ 57.741705][ T5087] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 57.749703][ T5087] R13: 00007fc23aad4670 R14: 0000000000000003 R15: 0000000000000000 [ 57.758208][ T5087] [ 57.787506][ T5087] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.796460][ T5087] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.803985][ T5087] bridge_slave_0: entered allmulticast mode [ 57.810584][ T5087] bridge_slave_0: entered promiscuous mode [ 57.819704][ T5087] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.827374][ T5087] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.835492][ T5087] bridge_slave_1: entered allmulticast mode [ 57.842215][ T5087] bridge_slave_1: entered promiscuous mode [ 57.865248][ T5087] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.876309][ T5087] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.900393][ T5087] team0: Port device team_slave_0 added [ 57.908344][ T5087] team0: Port device team_slave_1 added [ 57.927049][ T5087] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.934127][ 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. [ 57.960074][ T5087] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.973406][ T5087] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.980469][ 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. [ 58.006721][ T5087] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.037334][ T5087] hsr_slave_0: entered promiscuous mode [ 58.044214][ T5087] hsr_slave_1: entered promiscuous mode [ 58.132854][ T5087] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.144360][ T5087] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.154187][ T5087] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.163747][ T5087] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.187374][ T5087] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.194599][ T5087] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.202702][ T5087] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.209800][ T5087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.254906][ T5087] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.269073][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.278864][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.287714][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.296011][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.333399][ T5087] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.345096][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.353941][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.362845][ T4409] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.369964][ T4409] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.392721][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.401361][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.410430][ T4409] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.417594][ T4409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.425255][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.434787][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.444270][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.453392][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.462264][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.471044][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.479609][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.488122][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.499632][ T5087] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.511387][ T5087] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.520802][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.529681][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.538174][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.670140][ T5087] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.678461][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.686159][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.712329][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.720938][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.733668][ T5087] veth0_vlan: entered promiscuous mode [ 58.743301][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.752341][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.761377][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.769449][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.779164][ T5087] veth1_vlan: entered promiscuous mode [ 58.801427][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.810099][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.818723][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.827276][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.837462][ T5087] veth0_macvtap: entered promiscuous mode [ 58.849499][ T5087] veth1_macvtap: entered promiscuous mode [ 58.865615][ T5087] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.874627][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.883551][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.891481][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.900226][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.912131][ T5087] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.922588][ T5087] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.931395][ T5087] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.941065][ T5087] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.951262][ T5087] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.962126][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.970827][ T5099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.036654][ T2832] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.054623][ T2832] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.065934][ T1232] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.074308][ T1232] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.074325][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.090196][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/14 00:16:28 building call list... [ 59.184610][ T5088] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.043303][ T5083] 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. [ 61.238852][ T5083] can: request_module (can-proto-0) failed. [ 61.275017][ T5083] can: request_module (can-proto-0) failed. [ 61.308970][ T5083] can: request_module (can-proto-0) failed. [ 61.915628][ T5087] syz-executor.0 (5087) used greatest stack depth: 22240 bytes left [ 61.947871][ T1232] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program