Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. 2023/03/14 09:07:55 fuzzer started 2023/03/14 09:07:55 connecting to host at 10.128.0.169:36903 2023/03/14 09:07:55 checking machine... 2023/03/14 09:07:55 checking revisions... 2023/03/14 09:07:55 testing simple program... [ 59.692879][ T5084] cgroup: Unknown subsys name 'net' [ 59.808577][ T5084] cgroup: Unknown subsys name 'rlimit' [ 59.909146][ T5082] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5082 'syz-fuzzer' [ 60.032611][ T5088] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.040824][ T5088] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.048774][ T5088] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.057284][ T5088] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.065417][ T5088] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.072912][ T5088] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.193100][ T5086] chnl_net:caif_netlink_parms(): no params data found [ 60.214949][ T5086] [ 60.217336][ T5086] ============================= [ 60.222572][ T5086] WARNING: suspicious RCU usage [ 60.227496][ T5086] 6.3.0-rc1-syzkaller-00150-g512dd354718b #0 Not tainted [ 60.234809][ T5086] ----------------------------- [ 60.239679][ T5086] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 60.247897][ T5086] [ 60.247897][ T5086] other info that might help us debug this: [ 60.247897][ T5086] [ 60.258534][ T5086] [ 60.258534][ T5086] rcu_scheduler_active = 2, debug_locks = 1 [ 60.266686][ T5086] 1 lock held by syz-executor.0/5086: [ 60.272251][ T5086] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 60.281786][ T5086] [ 60.281786][ T5086] stack backtrace: [ 60.287885][ T5086] CPU: 1 PID: 5086 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00150-g512dd354718b #0 [ 60.298509][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 60.309531][ T5086] Call Trace: [ 60.314026][ T5086] [ 60.317427][ T5086] dump_stack_lvl+0x136/0x150 [ 60.322236][ T5086] lockdep_rcu_suspicious+0x208/0x3a0 [ 60.327839][ T5086] veth_set_xdp_features+0x1c7/0x250 [ 60.333241][ T5086] veth_newlink+0x729/0x9d0 [ 60.337862][ T5086] ? veth_set_features+0x1e0/0x1e0 [ 60.343351][ T5086] ? __rtnl_newlink+0xfd4/0x1840 [ 60.348608][ T5086] ? rtnl_newlink+0x68/0xa0 [ 60.353315][ T5086] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 60.359007][ T5086] ? netlink_rcv_skb+0x165/0x440 [ 60.364241][ T5086] ? netlink_unicast+0x547/0x7f0 [ 60.369491][ T5086] ? netlink_sendmsg+0x925/0xe30 [ 60.374726][ T5086] ? sock_sendmsg+0xde/0x190 [ 60.380589][ T5086] ? __sys_sendto+0x23a/0x340 [ 60.385977][ T5086] ? __x64_sys_sendto+0xe1/0x1b0 [ 60.391578][ T5086] ? do_syscall_64+0x39/0xb0 [ 60.396352][ T5086] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.403003][ T5086] ? find_held_lock+0x2d/0x110 [ 60.408514][ T5086] ? __kmem_cache_alloc_node+0x48/0x320 [ 60.414328][ T5086] ? kvmalloc_node+0xa2/0x1a0 [ 60.419107][ T5086] ? rcu_read_lock_sched_held+0x3e/0x70 [ 60.425843][ T5086] ? trace_kmalloc+0xb4/0x110 [ 60.430758][ T5086] ? __kmalloc_node+0x77/0xd0 [ 60.435575][ T5086] ? __xdp_rxq_info_reg+0x18d/0x340 [ 60.441088][ T5086] ? alloc_netdev_mqs+0xdce/0x1250 [ 60.446326][ T5086] ? rtnl_create_link+0x9d8/0xee0 [ 60.451554][ T5086] ? veth_set_features+0x1e0/0x1e0 [ 60.456684][ T5086] __rtnl_newlink+0x10c2/0x1840 [ 60.461579][ T5086] ? find_held_lock+0x2d/0x110 [ 60.466371][ T5086] ? rtnl_link_unregister+0x250/0x250 [ 60.471849][ T5086] ? __kmem_cache_alloc_node+0x48/0x320 [ 60.477543][ T5086] rtnl_newlink+0x68/0xa0 [ 60.482409][ T5086] ? __rtnl_newlink+0x1840/0x1840 [ 60.487890][ T5086] rtnetlink_rcv_msg+0x43d/0xd50 [ 60.493390][ T5086] ? rtnl_stats_set+0x4d0/0x4d0 [ 60.498370][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.504839][ T5086] ? do_syscall_64+0x39/0xb0 [ 60.511017][ T5086] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.517496][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.523576][ T5086] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.529855][ T5086] netlink_rcv_skb+0x165/0x440 [ 60.534999][ T5086] ? rtnl_stats_set+0x4d0/0x4d0 [ 60.540859][ T5086] ? netlink_ack+0x1360/0x1360 [ 60.546121][ T5086] ? netlink_deliver_tap+0x1b1/0xcf0 [ 60.551903][ T5086] netlink_unicast+0x547/0x7f0 [ 60.557412][ T5086] ? netlink_attachskb+0x890/0x890 [ 60.562816][ T5086] ? __virt_addr_valid+0x61/0x2e0 [ 60.568141][ T5086] ? __phys_addr_symbol+0x30/0x70 [ 60.573844][ T5086] ? __check_object_size+0x333/0x6e0 [ 60.579366][ T5086] netlink_sendmsg+0x925/0xe30 [ 60.584351][ T5086] ? netlink_unicast+0x7f0/0x7f0 [ 60.589324][ T5086] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 60.594976][ T5086] ? netlink_unicast+0x7f0/0x7f0 [ 60.600125][ T5086] sock_sendmsg+0xde/0x190 [ 60.604561][ T5086] __sys_sendto+0x23a/0x340 [ 60.609451][ T5086] ? __ia32_sys_getpeername+0xb0/0xb0 [ 60.614887][ T5086] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 60.621969][ T5086] __x64_sys_sendto+0xe1/0x1b0 [ 60.627110][ T5086] ? syscall_enter_from_user_mode+0x26/0xb0 [ 60.633132][ T5086] do_syscall_64+0x39/0xb0 [ 60.637641][ T5086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.644552][ T5086] RIP: 0033:0x7fa9f1e3e12c [ 60.649611][ T5086] 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 [ 60.671074][ T5086] RSP: 002b:00007ffcd45f47a0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 60.680052][ T5086] RAX: ffffffffffffffda RBX: 00007fa9f2ad4620 RCX: 00007fa9f1e3e12c [ 60.688504][ T5086] RDX: 000000000000002c RSI: 00007fa9f2ad4670 RDI: 0000000000000003 [ 60.696867][ T5086] RBP: 0000000000000000 R08: 00007ffcd45f47f4 R09: 000000000000000c [ 60.704862][ T5086] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 60.712941][ T5086] R13: 00007fa9f2ad4670 R14: 0000000000000003 R15: 0000000000000000 [ 60.721126][ T5086] [ 60.752206][ T5086] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.760110][ T5086] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.767982][ T5086] bridge_slave_0: entered allmulticast mode [ 60.774845][ T5086] bridge_slave_0: entered promiscuous mode [ 60.784227][ T5086] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.791488][ T5086] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.798850][ T5086] bridge_slave_1: entered allmulticast mode [ 60.805583][ T5086] bridge_slave_1: entered promiscuous mode [ 60.829716][ T5086] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.844225][ T5086] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.868303][ T5086] team0: Port device team_slave_0 added [ 60.877116][ T5086] team0: Port device team_slave_1 added [ 60.897434][ T5086] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.904913][ T5086] 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. [ 60.939039][ T5086] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.952813][ T5086] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.959786][ T5086] 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. [ 60.986657][ T5086] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.018112][ T5086] hsr_slave_0: entered promiscuous mode [ 61.024851][ T5086] hsr_slave_1: entered promiscuous mode [ 61.116102][ T5086] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.126855][ T5086] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.136878][ T5086] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.146664][ T5086] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.168710][ T5086] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.176781][ T5086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.185440][ T5086] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.192773][ T5086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.237708][ T1762] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.245967][ T1762] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.264592][ T5086] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.278245][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.287459][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.298833][ T5086] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.309783][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.319955][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.328686][ T897] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.335816][ T897] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.363102][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.373683][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.382441][ T5097] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.389516][ T5097] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.397496][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.406369][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.415607][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.425799][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.434398][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.443202][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.451726][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.460176][ T5097] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.471728][ T5086] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.485760][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.495420][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.503975][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.513654][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.642971][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.650462][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.663594][ T5086] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.680514][ T1762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.689934][ T1762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.708500][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.717675][ T4408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.727647][ T5086] veth0_vlan: entered promiscuous mode [ 61.735609][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.743950][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.756682][ T5086] veth1_vlan: entered promiscuous mode [ 61.775578][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.784567][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.793409][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.802841][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.813956][ T5086] veth0_macvtap: entered promiscuous mode [ 61.830476][ T5086] veth1_macvtap: entered promiscuous mode [ 61.845648][ T5086] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.854577][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.863388][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.871480][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.880516][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.893342][ T5086] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.900758][ T1762] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.910135][ T1762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.922612][ T5086] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.933315][ T5086] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.942771][ T5086] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.952736][ T5086] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.019297][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.037774][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.056899][ T1762] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.066407][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.075703][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.086978][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.102708][ T4400] Bluetooth: hci0: command 0x0409 tx timeout 2023/03/14 09:07:57 building call list... executing program [ 64.066189][ T5078] 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. [ 64.256705][ T5078] can: request_module (can-proto-0) failed. [ 64.291382][ T5078] can: request_module (can-proto-0) failed. [ 64.325564][ T5078] can: request_module (can-proto-0) failed. [ 64.946042][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program