Warning: Permanently added '10.128.1.164' (ECDSA) to the list of known hosts. 2023/03/14 15:43:25 fuzzer started 2023/03/14 15:43:25 connecting to host at 10.128.0.169:46179 2023/03/14 15:43:25 checking machine... 2023/03/14 15:43:25 checking revisions... 2023/03/14 15:43:25 testing simple program... syzkaller login: [ 59.135685][ T5079] cgroup: Unknown subsys name 'net' [ 59.239011][ T5079] cgroup: Unknown subsys name 'rlimit' [ 59.337987][ T5072] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5072 'syz-fuzzer' [ 59.457140][ T5084] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.465175][ T5084] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.473233][ T5084] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.481433][ T5084] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.489307][ T5084] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.497114][ T5084] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.616645][ T5081] chnl_net:caif_netlink_parms(): no params data found [ 59.639943][ T5081] [ 59.642837][ T5081] ============================= [ 59.647723][ T5081] WARNING: suspicious RCU usage [ 59.652620][ T5081] 6.3.0-rc1-syzkaller-00151-g28e8cabe80f3 #0 Not tainted [ 59.659651][ T5081] ----------------------------- [ 59.664544][ T5081] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 59.672604][ T5081] [ 59.672604][ T5081] other info that might help us debug this: [ 59.672604][ T5081] [ 59.682896][ T5081] [ 59.682896][ T5081] rcu_scheduler_active = 2, debug_locks = 1 [ 59.691047][ T5081] 1 lock held by syz-executor.0/5081: [ 59.696434][ T5081] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 59.705964][ T5081] [ 59.705964][ T5081] stack backtrace: [ 59.711899][ T5081] CPU: 0 PID: 5081 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00151-g28e8cabe80f3 #0 [ 59.722305][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 59.732358][ T5081] Call Trace: [ 59.735628][ T5081] [ 59.738570][ T5081] dump_stack_lvl+0x136/0x150 [ 59.743260][ T5081] lockdep_rcu_suspicious+0x208/0x3a0 [ 59.748656][ T5081] veth_set_xdp_features+0x1c7/0x250 [ 59.753967][ T5081] veth_newlink+0x729/0x9d0 [ 59.758484][ T5081] ? veth_set_features+0x1e0/0x1e0 [ 59.763675][ T5081] ? __rtnl_newlink+0xfd4/0x1840 [ 59.768625][ T5081] ? rtnl_newlink+0x68/0xa0 [ 59.773247][ T5081] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 59.778393][ T5081] ? netlink_rcv_skb+0x165/0x440 [ 59.783361][ T5081] ? netlink_unicast+0x547/0x7f0 [ 59.788299][ T5081] ? netlink_sendmsg+0x925/0xe30 [ 59.793232][ T5081] ? sock_sendmsg+0xde/0x190 [ 59.797854][ T5081] ? __sys_sendto+0x23a/0x340 [ 59.802562][ T5081] ? __x64_sys_sendto+0xe1/0x1b0 [ 59.807622][ T5081] ? do_syscall_64+0x39/0xb0 [ 59.812210][ T5081] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.818287][ T5081] ? find_held_lock+0x2d/0x110 [ 59.823087][ T5081] ? __kmem_cache_alloc_node+0x48/0x320 [ 59.828686][ T5081] ? kvmalloc_node+0xa2/0x1a0 [ 59.833389][ T5081] ? rcu_read_lock_sched_held+0x3e/0x70 [ 59.838953][ T5081] ? trace_kmalloc+0xb4/0x110 [ 59.843638][ T5081] ? __kmalloc_node+0x77/0xd0 [ 59.848323][ T5081] ? __xdp_rxq_info_reg+0x18d/0x340 [ 59.853531][ T5081] ? alloc_netdev_mqs+0xdce/0x1250 [ 59.858743][ T5081] ? rtnl_create_link+0x9d8/0xee0 [ 59.863781][ T5081] ? veth_set_features+0x1e0/0x1e0 [ 59.868985][ T5081] __rtnl_newlink+0x10c2/0x1840 [ 59.873874][ T5081] ? find_held_lock+0x2d/0x110 [ 59.878654][ T5081] ? rtnl_link_unregister+0x250/0x250 [ 59.884044][ T5081] ? __kmem_cache_alloc_node+0x48/0x320 [ 59.889646][ T5081] rtnl_newlink+0x68/0xa0 [ 59.893992][ T5081] ? __rtnl_newlink+0x1840/0x1840 [ 59.899027][ T5081] rtnetlink_rcv_msg+0x43d/0xd50 [ 59.903987][ T5081] ? rtnl_stats_set+0x4d0/0x4d0 [ 59.908950][ T5081] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.915113][ T5081] ? do_syscall_64+0x39/0xb0 [ 59.919711][ T5081] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.925795][ T5081] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.931786][ T5081] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.937789][ T5081] netlink_rcv_skb+0x165/0x440 [ 59.942566][ T5081] ? rtnl_stats_set+0x4d0/0x4d0 [ 59.947445][ T5081] ? netlink_ack+0x1360/0x1360 [ 59.952298][ T5081] ? netlink_deliver_tap+0x1b1/0xcf0 [ 59.957622][ T5081] netlink_unicast+0x547/0x7f0 [ 59.962402][ T5081] ? netlink_attachskb+0x890/0x890 [ 59.967535][ T5081] ? __virt_addr_valid+0x61/0x2e0 [ 59.972768][ T5081] ? __phys_addr_symbol+0x30/0x70 [ 59.977806][ T5081] ? __check_object_size+0x333/0x6e0 [ 59.983193][ T5081] netlink_sendmsg+0x925/0xe30 [ 59.987979][ T5081] ? netlink_unicast+0x7f0/0x7f0 [ 59.992938][ T5081] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.998232][ T5081] ? netlink_unicast+0x7f0/0x7f0 [ 60.003269][ T5081] sock_sendmsg+0xde/0x190 [ 60.007877][ T5081] __sys_sendto+0x23a/0x340 [ 60.012395][ T5081] ? __ia32_sys_getpeername+0xb0/0xb0 [ 60.017815][ T5081] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 60.023743][ T5081] __x64_sys_sendto+0xe1/0x1b0 [ 60.028617][ T5081] ? syscall_enter_from_user_mode+0x26/0xb0 [ 60.034617][ T5081] do_syscall_64+0x39/0xb0 [ 60.039130][ T5081] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.045074][ T5081] RIP: 0033:0x7eff9823e12c [ 60.049789][ T5081] 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 [ 60.069500][ T5081] RSP: 002b:00007ffd5925a5f0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 60.078008][ T5081] RAX: ffffffffffffffda RBX: 00007eff98ed4620 RCX: 00007eff9823e12c [ 60.085984][ T5081] RDX: 000000000000002c RSI: 00007eff98ed4670 RDI: 0000000000000003 [ 60.093980][ T5081] RBP: 0000000000000000 R08: 00007ffd5925a644 R09: 000000000000000c [ 60.101953][ T5081] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 60.109926][ T5081] R13: 00007eff98ed4670 R14: 0000000000000003 R15: 0000000000000000 [ 60.117933][ T5081] [ 60.148711][ T5081] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.156434][ T5081] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.164308][ T5081] bridge_slave_0: entered allmulticast mode [ 60.171586][ T5081] bridge_slave_0: entered promiscuous mode [ 60.180055][ T5081] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.187526][ T5081] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.194816][ T5081] bridge_slave_1: entered allmulticast mode [ 60.202149][ T5081] bridge_slave_1: entered promiscuous mode [ 60.224207][ T5081] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.235459][ T5081] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.259157][ T5081] team0: Port device team_slave_0 added [ 60.266630][ T5081] team0: Port device team_slave_1 added [ 60.285597][ T5081] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.292775][ T5081] 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. [ 60.318752][ T5081] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.332223][ T5081] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.339285][ T5081] 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. [ 60.365516][ T5081] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.398243][ T5081] hsr_slave_0: entered promiscuous mode [ 60.404971][ T5081] hsr_slave_1: entered promiscuous mode [ 60.491902][ T5081] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.504112][ T5081] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.513260][ T5081] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.523204][ T5081] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.546020][ T5081] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.553435][ T5081] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.561648][ T5081] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.568815][ T5081] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.618391][ T5081] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.632978][ T4742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.644343][ T4742] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.654423][ T4742] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.663581][ T4742] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.676946][ T5081] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.687938][ T4742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.697629][ T4742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.706250][ T4742] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.713384][ T4742] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.734154][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.743740][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.753080][ T5091] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.760167][ T5091] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.767997][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.776731][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.785597][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.794430][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.813715][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.821685][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.830894][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.839914][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.848772][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.857659][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.866083][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.875859][ T5081] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.012671][ T5081] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.020331][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.028619][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.052829][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.063156][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.075862][ T5081] veth0_vlan: entered promiscuous mode [ 61.082761][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.092294][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.104656][ T5081] veth1_vlan: entered promiscuous mode [ 61.112397][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.120365][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.129072][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.148970][ T5081] veth0_macvtap: entered promiscuous mode [ 61.165356][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.173584][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.182954][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.192088][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.204210][ T5081] veth1_macvtap: entered promiscuous mode [ 61.218135][ T5081] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.226388][ T1976] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.234835][ T1976] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.244482][ T1976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.256316][ T5081] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.264731][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.273539][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.286470][ T5081] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.295607][ T5081] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.322351][ T5081] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.331611][ T5081] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.395718][ T75] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.411385][ T75] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.423663][ T1976] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.433099][ T1066] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.443110][ T1066] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.455093][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/14 15:43:28 building call list... [ 61.531499][ T5084] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.481253][ 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. [ 63.686565][ T5077] can: request_module (can-proto-0) failed. [ 63.720812][ T5077] can: request_module (can-proto-0) failed. [ 63.755421][ T5077] can: request_module (can-proto-0) failed. [ 64.228033][ T75] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program