Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. 2023/03/14 03:45:28 fuzzer started 2023/03/14 03:45:28 connecting to host at 10.128.0.169:43711 2023/03/14 03:45:28 checking machine... 2023/03/14 03:45:28 checking revisions... 2023/03/14 03:45:28 testing simple program... syzkaller login: [ 59.301354][ T5083] cgroup: Unknown subsys name 'net' [ 59.445028][ T5083] cgroup: Unknown subsys name 'rlimit' [ 59.541202][ T5081] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5081 'syz-fuzzer' [ 59.665808][ T5087] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.674130][ T5087] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.682772][ T5087] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.691216][ T5087] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.699804][ T5087] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.707593][ T5087] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.828931][ T5085] chnl_net:caif_netlink_parms(): no params data found [ 59.852294][ T5085] [ 59.855166][ T5085] ============================= [ 59.860143][ T5085] WARNING: suspicious RCU usage [ 59.865490][ T5085] 6.3.0-rc2-next-20230314-syzkaller #0 Not tainted [ 59.872027][ T5085] ----------------------------- [ 59.876936][ T5085] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 59.884968][ T5085] [ 59.884968][ T5085] other info that might help us debug this: [ 59.884968][ T5085] [ 59.895276][ T5085] [ 59.895276][ T5085] rcu_scheduler_active = 2, debug_locks = 1 [ 59.903405][ T5085] 1 lock held by syz-executor.0/5085: [ 59.908795][ T5085] #0: ffffffff8e109e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 59.918457][ T5085] [ 59.918457][ T5085] stack backtrace: [ 59.924408][ T5085] CPU: 0 PID: 5085 Comm: syz-executor.0 Not tainted 6.3.0-rc2-next-20230314-syzkaller #0 [ 59.934470][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 59.944544][ T5085] Call Trace: [ 59.947825][ T5085] [ 59.950758][ T5085] dump_stack_lvl+0x136/0x150 [ 59.955444][ T5085] lockdep_rcu_suspicious+0x208/0x3a0 [ 59.960819][ T5085] veth_set_xdp_features+0x1c7/0x250 [ 59.966189][ T5085] veth_newlink+0x729/0x9d0 [ 59.970694][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 59.975803][ T5085] ? __rtnl_newlink+0xfd4/0x1840 [ 59.980757][ T5085] ? rtnl_newlink+0x68/0xa0 [ 59.985371][ T5085] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 59.990676][ T5085] ? netlink_rcv_skb+0x165/0x440 [ 59.995616][ T5085] ? netlink_unicast+0x547/0x7f0 [ 60.000553][ T5085] ? netlink_sendmsg+0x925/0xe30 [ 60.005486][ T5085] ? sock_sendmsg+0xde/0x190 [ 60.010327][ T5085] ? __sys_sendto+0x23a/0x340 [ 60.015201][ T5085] ? __x64_sys_sendto+0xe1/0x1b0 [ 60.020161][ T5085] ? do_syscall_64+0x39/0xb0 [ 60.024932][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.031008][ T5085] ? ___slab_alloc+0xca0/0x1400 [ 60.035853][ T5085] ? lockdep_hardirqs_on+0x7d/0x100 [ 60.041048][ T5085] ? kvmalloc_node+0xa2/0x1a0 [ 60.045742][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 60.051314][ T5085] ? kvmalloc_node+0xa2/0x1a0 [ 60.056170][ T5085] ? rcu_read_lock_sched_held+0x3e/0x70 [ 60.061773][ T5085] ? trace_kmalloc+0xae/0x100 [ 60.066563][ T5085] ? __kmalloc_node+0x77/0xd0 [ 60.071351][ T5085] ? __xdp_rxq_info_reg+0x18d/0x340 [ 60.076764][ T5085] ? alloc_netdev_mqs+0xdce/0x1250 [ 60.081909][ T5085] ? rtnl_create_link+0x9d8/0xee0 [ 60.086961][ T5085] ? veth_set_features+0x1e0/0x1e0 [ 60.092091][ T5085] __rtnl_newlink+0x10c2/0x1840 [ 60.097000][ T5085] ? find_held_lock+0x2d/0x110 [ 60.101787][ T5085] ? rtnl_link_unregister+0x250/0x250 [ 60.107186][ T5085] ? __kmem_cache_alloc_node+0x48/0x320 [ 60.112771][ T5085] rtnl_newlink+0x68/0xa0 [ 60.117115][ T5085] ? __rtnl_newlink+0x1840/0x1840 [ 60.122762][ T5085] rtnetlink_rcv_msg+0x43d/0xd50 [ 60.127721][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 60.132580][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.138575][ T5085] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.144680][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.150761][ T5085] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.156930][ T5085] ? print_usage_bug.part.0+0x660/0x660 [ 60.162703][ T5085] netlink_rcv_skb+0x165/0x440 [ 60.167482][ T5085] ? rtnl_stats_set+0x4d0/0x4d0 [ 60.172453][ T5085] ? netlink_ack+0x1360/0x1360 [ 60.177266][ T5085] ? netlink_deliver_tap+0x1b1/0xcf0 [ 60.182583][ T5085] netlink_unicast+0x547/0x7f0 [ 60.187399][ T5085] ? netlink_attachskb+0x890/0x890 [ 60.192527][ T5085] ? __virt_addr_valid+0x61/0x2e0 [ 60.197581][ T5085] ? __phys_addr_symbol+0x30/0x70 [ 60.202713][ T5085] ? __check_object_size+0x333/0x6e0 [ 60.208117][ T5085] netlink_sendmsg+0x925/0xe30 [ 60.212996][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 60.217953][ T5085] ? __might_fault+0xb2/0x190 [ 60.222661][ T5085] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 60.228053][ T5085] ? netlink_unicast+0x7f0/0x7f0 [ 60.233034][ T5085] sock_sendmsg+0xde/0x190 [ 60.237482][ T5085] __sys_sendto+0x23a/0x340 [ 60.242440][ T5085] ? __ia32_sys_getpeername+0xb0/0xb0 [ 60.247851][ T5085] ? xfd_validate_state+0x5d/0x180 [ 60.253011][ T5085] __x64_sys_sendto+0xe1/0x1b0 [ 60.257788][ T5085] ? syscall_enter_from_user_mode+0x26/0xb0 [ 60.264058][ T5085] do_syscall_64+0x39/0xb0 [ 60.268485][ T5085] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.274497][ T5085] RIP: 0033:0x7f5d5183e12c [ 60.278919][ 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 [ 60.298794][ T5085] RSP: 002b:00007ffffe410f80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 60.307481][ T5085] RAX: ffffffffffffffda RBX: 00007f5d524d4620 RCX: 00007f5d5183e12c [ 60.315470][ T5085] RDX: 000000000000002c RSI: 00007f5d524d4670 RDI: 0000000000000003 [ 60.323571][ T5085] RBP: 0000000000000000 R08: 00007ffffe410fd4 R09: 000000000000000c [ 60.331579][ T5085] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 60.339650][ T5085] R13: 00007f5d524d4670 R14: 0000000000000003 R15: 0000000000000000 [ 60.347759][ T5085] [ 60.379151][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.386875][ T5085] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.394405][ T5085] bridge_slave_0: entered allmulticast mode [ 60.401740][ T5085] bridge_slave_0: entered promiscuous mode [ 60.410400][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.418561][ T5085] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.425815][ T5085] bridge_slave_1: entered allmulticast mode [ 60.432404][ T5085] bridge_slave_1: entered promiscuous mode [ 60.454284][ T5085] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.466802][ T5085] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.492047][ T5085] team0: Port device team_slave_0 added [ 60.501109][ T5085] team0: Port device team_slave_1 added [ 60.520406][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.527538][ 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. [ 60.554357][ T5085] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.568431][ T5085] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.575558][ 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. [ 60.601819][ T5085] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.632897][ T5085] hsr_slave_0: entered promiscuous mode [ 60.639205][ T5085] hsr_slave_1: entered promiscuous mode [ 60.728809][ T5085] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.740186][ T5085] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.751668][ T5085] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.760784][ T5085] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.784358][ T5085] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.791595][ T5085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.799738][ T5085] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.807071][ T5085] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.857511][ T5085] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.866794][ T5095] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.876791][ T5095] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.885798][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.903051][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.910800][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.921376][ T5085] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.931815][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.940936][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.949619][ T898] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.957253][ T898] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.974389][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.983812][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.992312][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.999533][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.007225][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.016124][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.029129][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.038430][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.056561][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.065566][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.074784][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.084246][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.093335][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.101941][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.111285][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.125111][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.269773][ T5085] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.278608][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.286448][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.304340][ T4544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.314254][ T4544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.332650][ T4544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.341252][ T4544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.352136][ T4544] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.360436][ T4544] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.369990][ T5085] veth0_vlan: entered promiscuous mode [ 61.381180][ T5085] veth1_vlan: entered promiscuous mode [ 61.400493][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.409055][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.417592][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.426752][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.439900][ T5085] veth0_macvtap: entered promiscuous mode [ 61.449076][ T5085] veth1_macvtap: entered promiscuous mode [ 61.464888][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.472563][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.480770][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.490583][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.500149][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.512202][ T5085] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.520724][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.530063][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.542087][ T5085] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.553365][ T5085] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.562330][ T5085] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.571868][ T5085] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.634790][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.652514][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.670594][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.671693][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.686657][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.697895][ T5096] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/03/14 03:45:31 building call list... [ 61.743344][ T4399] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.754198][ 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. [ 63.939674][ T5078] can: request_module (can-proto-0) failed. [ 63.977967][ T5078] can: request_module (can-proto-0) failed. [ 64.017156][ T5078] can: request_module (can-proto-0) failed. [ 64.820778][ T41] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program