Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. 2023/03/14 00:16:30 fuzzer started 2023/03/14 00:16:30 connecting to host at 10.128.0.169:44393 2023/03/14 00:16:30 checking machine... 2023/03/14 00:16:30 checking revisions... 2023/03/14 00:16:30 testing simple program... [ 58.660968][ T5082] cgroup: Unknown subsys name 'net' [ 58.764437][ T5082] cgroup: Unknown subsys name 'rlimit' [ 58.871940][ T5076] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5076 'syz-fuzzer' [ 58.989199][ T5086] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.997429][ T5086] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.005474][ T5086] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.013619][ T5086] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.021901][ T5086] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.029449][ T5086] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.154166][ T5084] chnl_net:caif_netlink_parms(): no params data found [ 59.177904][ T5084] [ 59.180252][ T5084] ============================= [ 59.185276][ T5084] WARNING: suspicious RCU usage [ 59.190138][ T5084] 6.3.0-rc1-syzkaller-00147-g1a9dc5610ef8 #0 Not tainted [ 59.197690][ T5084] ----------------------------- [ 59.202584][ T5084] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 59.210820][ T5084] [ 59.210820][ T5084] other info that might help us debug this: [ 59.210820][ T5084] [ 59.221220][ T5084] [ 59.221220][ T5084] rcu_scheduler_active = 2, debug_locks = 1 [ 59.229904][ T5084] 1 lock held by syz-executor.0/5084: [ 59.235358][ T5084] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 59.245008][ T5084] [ 59.245008][ T5084] stack backtrace: [ 59.251083][ T5084] CPU: 0 PID: 5084 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00147-g1a9dc5610ef8 #0 [ 59.261504][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 59.271841][ T5084] Call Trace: [ 59.275142][ T5084] [ 59.278148][ T5084] dump_stack_lvl+0x136/0x150 [ 59.283030][ T5084] lockdep_rcu_suspicious+0x208/0x3a0 [ 59.288434][ T5084] veth_set_xdp_features+0x1c7/0x250 [ 59.294138][ T5084] veth_newlink+0x729/0x9d0 [ 59.298823][ T5084] ? veth_set_features+0x1e0/0x1e0 [ 59.304042][ T5084] ? __rtnl_newlink+0xfd4/0x1840 [ 59.309183][ T5084] ? rtnl_newlink+0x68/0xa0 [ 59.313891][ T5084] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 59.319111][ T5084] ? netlink_rcv_skb+0x165/0x440 [ 59.324153][ T5084] ? netlink_unicast+0x547/0x7f0 [ 59.329112][ T5084] ? netlink_sendmsg+0x925/0xe30 [ 59.334058][ T5084] ? sock_sendmsg+0xde/0x190 [ 59.338659][ T5084] ? __sys_sendto+0x23a/0x340 [ 59.343363][ T5084] ? __x64_sys_sendto+0xe1/0x1b0 [ 59.348401][ T5084] ? do_syscall_64+0x39/0xb0 [ 59.353186][ T5084] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.359382][ T5084] ? ___slab_alloc+0xca0/0x1400 [ 59.364507][ T5084] ? lockdep_hardirqs_on+0x7d/0x100 [ 59.369727][ T5084] ? kvmalloc_node+0xa2/0x1a0 [ 59.374416][ T5084] ? __kmem_cache_alloc_node+0x48/0x320 [ 59.380259][ T5084] ? kvmalloc_node+0xa2/0x1a0 [ 59.385030][ T5084] ? rcu_read_lock_sched_held+0x3e/0x70 [ 59.390583][ T5084] ? trace_kmalloc+0xb4/0x110 [ 59.395267][ T5084] ? __kmalloc_node+0x77/0xd0 [ 59.399974][ T5084] ? __xdp_rxq_info_reg+0x18d/0x340 [ 59.405188][ T5084] ? alloc_netdev_mqs+0xdce/0x1250 [ 59.410321][ T5084] ? rtnl_create_link+0x9d8/0xee0 [ 59.415427][ T5084] ? veth_set_features+0x1e0/0x1e0 [ 59.420575][ T5084] __rtnl_newlink+0x10c2/0x1840 [ 59.425478][ T5084] ? find_held_lock+0x2d/0x110 [ 59.430261][ T5084] ? rtnl_link_unregister+0x250/0x250 [ 59.435650][ T5084] ? __kmem_cache_alloc_node+0x48/0x320 [ 59.441240][ T5084] rtnl_newlink+0x68/0xa0 [ 59.445671][ T5084] ? __rtnl_newlink+0x1840/0x1840 [ 59.450714][ T5084] rtnetlink_rcv_msg+0x43d/0xd50 [ 59.455692][ T5084] ? rtnl_stats_set+0x4d0/0x4d0 [ 59.460577][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.466573][ T5084] ? do_syscall_64+0x39/0xb0 [ 59.471351][ T5084] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.477524][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.483510][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.489614][ T5084] netlink_rcv_skb+0x165/0x440 [ 59.494399][ T5084] ? rtnl_stats_set+0x4d0/0x4d0 [ 59.499269][ T5084] ? netlink_ack+0x1360/0x1360 [ 59.504151][ T5084] ? netlink_deliver_tap+0x1b1/0xcf0 [ 59.509582][ T5084] netlink_unicast+0x547/0x7f0 [ 59.514370][ T5084] ? netlink_attachskb+0x890/0x890 [ 59.519512][ T5084] ? __virt_addr_valid+0x61/0x2e0 [ 59.524549][ T5084] ? __phys_addr_symbol+0x30/0x70 [ 59.529586][ T5084] ? __check_object_size+0x333/0x6e0 [ 59.534902][ T5084] netlink_sendmsg+0x925/0xe30 [ 59.539774][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 59.544826][ T5084] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.550137][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 59.555096][ T5084] sock_sendmsg+0xde/0x190 [ 59.559837][ T5084] __sys_sendto+0x23a/0x340 [ 59.564455][ T5084] ? __ia32_sys_getpeername+0xb0/0xb0 [ 59.570043][ T5084] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 59.576150][ T5084] __x64_sys_sendto+0xe1/0x1b0 [ 59.581192][ T5084] ? syscall_enter_from_user_mode+0x26/0xb0 [ 59.587718][ T5084] do_syscall_64+0x39/0xb0 [ 59.592159][ T5084] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.598174][ T5084] RIP: 0033:0x7f66b083e12c [ 59.602592][ 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 [ 59.622299][ T5084] RSP: 002b:00007fffe4ef2ef0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 59.630807][ T5084] RAX: ffffffffffffffda RBX: 00007f66b14d4620 RCX: 00007f66b083e12c [ 59.638891][ T5084] RDX: 000000000000002c RSI: 00007f66b14d4670 RDI: 0000000000000003 [ 59.646952][ T5084] RBP: 0000000000000000 R08: 00007fffe4ef2f44 R09: 000000000000000c [ 59.655012][ T5084] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 59.663161][ T5084] R13: 00007f66b14d4670 R14: 0000000000000003 R15: 0000000000000000 [ 59.671159][ T5084] [ 59.702335][ T5084] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.710332][ T5084] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.718134][ T5084] bridge_slave_0: entered allmulticast mode [ 59.725029][ T5084] bridge_slave_0: entered promiscuous mode [ 59.734559][ T5084] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.742001][ T5084] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.749362][ T5084] bridge_slave_1: entered allmulticast mode [ 59.756575][ T5084] bridge_slave_1: entered promiscuous mode [ 59.777969][ T5084] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.789366][ T5084] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.813656][ T5084] team0: Port device team_slave_0 added [ 59.821038][ T5084] team0: Port device team_slave_1 added [ 59.839791][ T5084] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.847017][ 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. [ 59.873272][ T5084] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.886982][ T5084] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.893967][ 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. [ 59.920383][ T5084] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.952973][ T5084] hsr_slave_0: entered promiscuous mode [ 59.959333][ T5084] hsr_slave_1: entered promiscuous mode [ 60.049001][ T5084] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.060915][ T5084] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.070328][ T5084] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.080146][ T5084] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.102979][ T5084] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.110546][ T5084] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.118827][ T5084] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.126029][ T5084] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.157325][ T5095] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.167053][ T5095] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.197427][ T5084] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.210295][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.219595][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.232081][ T5084] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.242517][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.252471][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.261698][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.269007][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.289515][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.298450][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.307226][ T897] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.314390][ T897] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.322870][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.331720][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.350600][ T5084] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.363018][ T5084] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.376650][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.387100][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.395959][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.405058][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.413703][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.422670][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.431730][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.440655][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.456119][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.464274][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.587473][ T5084] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.595757][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.603267][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.626976][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.636235][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.651722][ T5084] veth0_vlan: entered promiscuous mode [ 60.658855][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.669057][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.677824][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.686662][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.699884][ T5084] veth1_vlan: entered promiscuous mode [ 60.724089][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.733337][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.741903][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.751377][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.762781][ T5084] veth0_macvtap: entered promiscuous mode [ 60.772619][ T5084] veth1_macvtap: entered promiscuous mode [ 60.788681][ T5084] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.797246][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.806449][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.814948][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.823680][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.837677][ T5084] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.847210][ T4559] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.857997][ T4559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.869231][ T5084] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.879551][ T5084] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.889650][ T5084] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.898817][ T5084] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.968261][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.976812][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.990114][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.008870][ T56] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.017406][ T56] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.027656][ T4559] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/14 00:16:32 building call list... [ 61.115875][ T5086] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.001532][ T5076] 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. [ 63.168176][ T5076] can: request_module (can-proto-0) failed. [ 63.204203][ T5076] can: request_module (can-proto-0) failed. [ 63.237628][ T5076] can: request_module (can-proto-0) failed. [ 63.796689][ T5084] syz-executor.0 (5084) used greatest stack depth: 22360 bytes left [ 63.817941][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program