Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. 2023/03/14 03:45:35 fuzzer started 2023/03/14 03:45:36 connecting to host at 10.128.0.169:37069 2023/03/14 03:45:36 checking machine... 2023/03/14 03:45:36 checking revisions... 2023/03/14 03:45:36 testing simple program... syzkaller login: [ 64.311105][ T5083] cgroup: Unknown subsys name 'net' [ 64.439031][ T5083] cgroup: Unknown subsys name 'rlimit' [ 64.564252][ T5077] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5077 'syz-fuzzer' [ 64.688391][ T5086] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 64.696700][ T5086] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 64.704441][ T5086] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 64.713361][ T5086] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 64.721418][ T5086] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 64.729452][ T5086] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.852565][ T5085] chnl_net:caif_netlink_parms(): no params data found [ 64.875039][ T5085] [ 64.877493][ T5085] ============================= [ 64.882376][ T5085] WARNING: suspicious RCU usage [ 64.887368][ T5085] 6.3.0-rc2-next-20230314-syzkaller #0 Not tainted [ 64.893879][ T5085] ----------------------------- [ 64.898771][ T5085] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 64.906812][ T5085] [ 64.906812][ T5085] other info that might help us debug this: [ 64.906812][ T5085] [ 64.917199][ T5085] [ 64.917199][ T5085] rcu_scheduler_active = 2, debug_locks = 1 [ 64.925288][ T5085] 1 lock held by syz-executor.0/5085: [ 64.930715][ T5085] #0: ffffffff8e109e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 64.940353][ T5085] [ 64.940353][ T5085] stack backtrace: [ 64.946312][ T5085] CPU: 1 PID: 5085 Comm: syz-executor.0 Not tainted 6.3.0-rc2-next-20230314-syzkaller #0 [ 64.956754][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 64.966820][ T5085] Call Trace: [ 64.970107][ T5085] [ 64.973044][ T5085] dump_stack_lvl+0x136/0x150 [ 64.977737][ T5085] lockdep_rcu_suspicious+0x208/0x3a0 [ 64.983301][ T5085] veth_set_xdp_features+0x1c7/0x250 [ 64.988706][ T5085] veth_newlink+0x729/0x9d0 [ 64.993255][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 64.998379][ T5085] ? __rtnl_newlink+0xfd4/0x1840 [ 65.003338][ T5085] ? rtnl_newlink+0x68/0xa0 [ 65.008110][ T5085] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 65.013230][ T5085] ? netlink_rcv_skb+0x165/0x440 [ 65.018174][ T5085] ? netlink_unicast+0x547/0x7f0 [ 65.023140][ T5085] ? netlink_sendmsg+0x925/0xe30 [ 65.028344][ T5085] ? sock_sendmsg+0xde/0x190 [ 65.032939][ T5085] ? __sys_sendto+0x23a/0x340 [ 65.037800][ T5085] ? __x64_sys_sendto+0xe1/0x1b0 [ 65.042849][ T5085] ? do_syscall_64+0x39/0xb0 [ 65.047454][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.053559][ T5085] ? find_held_lock+0x2d/0x110 [ 65.058339][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 65.063927][ T5085] ? kvmalloc_node+0xa2/0x1a0 [ 65.068721][ T5085] ? rcu_read_lock_sched_held+0x3e/0x70 [ 65.074490][ T5085] ? trace_kmalloc+0xae/0x100 [ 65.079195][ T5085] ? __kmalloc_node+0x77/0xd0 [ 65.083910][ T5085] ? __xdp_rxq_info_reg+0x18d/0x340 [ 65.089238][ T5085] ? alloc_netdev_mqs+0xdce/0x1250 [ 65.094490][ T5085] ? rtnl_create_link+0x9d8/0xee0 [ 65.099640][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 65.104767][ T5085] __rtnl_newlink+0x10c2/0x1840 [ 65.109735][ T5085] ? find_held_lock+0x2d/0x110 [ 65.114594][ T5085] ? rtnl_link_unregister+0x250/0x250 [ 65.120239][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 65.125825][ T5085] rtnl_newlink+0x68/0xa0 [ 65.130340][ T5085] ? __rtnl_newlink+0x1840/0x1840 [ 65.135461][ T5085] rtnetlink_rcv_msg+0x43d/0xd50 [ 65.140415][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 65.145366][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.151443][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.157544][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.163563][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.169843][ T5085] ? print_usage_bug.part.0+0x660/0x660 [ 65.175499][ T5085] netlink_rcv_skb+0x165/0x440 [ 65.180375][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 65.185342][ T5085] ? netlink_ack+0x1360/0x1360 [ 65.190157][ T5085] ? netlink_deliver_tap+0x1b1/0xcf0 [ 65.195488][ T5085] netlink_unicast+0x547/0x7f0 [ 65.200274][ T5085] ? netlink_attachskb+0x890/0x890 [ 65.205578][ T5085] ? __virt_addr_valid+0x61/0x2e0 [ 65.210711][ T5085] ? __phys_addr_symbol+0x30/0x70 [ 65.215755][ T5085] ? __check_object_size+0x333/0x6e0 [ 65.221586][ T5085] netlink_sendmsg+0x925/0xe30 [ 65.226445][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 65.231506][ T5085] ? __might_fault+0xb2/0x190 [ 65.236319][ T5085] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 65.241723][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 65.246676][ T5085] sock_sendmsg+0xde/0x190 [ 65.251145][ T5085] __sys_sendto+0x23a/0x340 [ 65.255673][ T5085] ? __ia32_sys_getpeername+0xb0/0xb0 [ 65.261100][ T5085] ? xfd_validate_state+0x5d/0x180 [ 65.266331][ T5085] __x64_sys_sendto+0xe1/0x1b0 [ 65.271122][ T5085] ? syscall_enter_from_user_mode+0x26/0xb0 [ 65.277038][ T5085] do_syscall_64+0x39/0xb0 [ 65.281550][ T5085] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.287750][ T5085] RIP: 0033:0x7fb12f43e12c [ 65.292181][ T5085] 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 [ 65.312066][ T5085] RSP: 002b:00007fffa5dc4710 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 65.320494][ T5085] RAX: ffffffffffffffda RBX: 00007fb1300d4620 RCX: 00007fb12f43e12c [ 65.328478][ T5085] RDX: 000000000000002c RSI: 00007fb1300d4670 RDI: 0000000000000003 [ 65.336544][ T5085] RBP: 0000000000000000 R08: 00007fffa5dc4764 R09: 000000000000000c [ 65.344882][ T5085] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 65.352956][ T5085] R13: 00007fb1300d4670 R14: 0000000000000003 R15: 0000000000000000 [ 65.361075][ T5085] [ 65.393428][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.401263][ T5085] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.408945][ T5085] bridge_slave_0: entered allmulticast mode [ 65.415640][ T5085] bridge_slave_0: entered promiscuous mode [ 65.424599][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.432379][ T5085] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.439974][ T5085] bridge_slave_1: entered allmulticast mode [ 65.446855][ T5085] bridge_slave_1: entered promiscuous mode [ 65.468509][ T5085] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.480255][ T5085] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.504879][ T5085] team0: Port device team_slave_0 added [ 65.512880][ T5085] team0: Port device team_slave_1 added [ 65.531659][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.539173][ T5085] 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. [ 65.568337][ T5085] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.581130][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.588219][ T5085] 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. [ 65.614252][ T5085] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.648362][ T5085] hsr_slave_0: entered promiscuous mode [ 65.654741][ T5085] hsr_slave_1: entered promiscuous mode [ 65.746898][ T5085] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.758474][ T5085] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.768133][ T5085] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.778345][ T5085] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.802679][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.810088][ T5085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.817938][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.825134][ T5085] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.849192][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.860514][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.898272][ T5085] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.911802][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.921579][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.934773][ T5085] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.945697][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.955325][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.964257][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.971400][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.984212][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.993436][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.003009][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.010185][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.026360][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.035326][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.044879][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.054900][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.071744][ T5085] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.083456][ T5085] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.097156][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.105321][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.115001][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.124372][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.133302][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.142815][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.151692][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.160749][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.302808][ T4780] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.311629][ T4780] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.322313][ T5085] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.340392][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.349950][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.368119][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.379014][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.388264][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.396053][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.413874][ T5085] veth0_vlan: entered promiscuous mode [ 66.424917][ T5085] veth1_vlan: entered promiscuous mode [ 66.445309][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.454043][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.463167][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.472378][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.482992][ T5085] veth0_macvtap: entered promiscuous mode [ 66.493773][ T5085] veth1_macvtap: entered promiscuous mode [ 66.509115][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.518553][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.527975][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.536263][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.545657][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.558265][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.568256][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.577744][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.589834][ T5085] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.599663][ T5085] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.609122][ T5085] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.619942][ T5085] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.689582][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.702383][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.715821][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.732288][ T56] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.741391][ T56] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.752206][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/14 03:45:38 building call list... [ 66.817121][ T5086] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 68.906045][ T5074] 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. [ 69.097680][ T5074] can: request_module (can-proto-0) failed. [ 69.135834][ T5074] can: request_module (can-proto-0) failed. [ 69.173041][ T5074] can: request_module (can-proto-0) failed. [ 70.073837][ T1022] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program