Warning: Permanently added '10.128.15.223' (ECDSA) to the list of known hosts. 2023/02/24 05:17:02 fuzzer started 2023/02/24 05:17:02 connecting to host at 10.128.0.169:44353 2023/02/24 05:17:02 checking machine... 2023/02/24 05:17:02 checking revisions... 2023/02/24 05:17:03 testing simple program... [ 51.870332][ T5077] cgroup: Unknown subsys name 'net' [ 52.000216][ T5077] cgroup: Unknown subsys name 'rlimit' [ 52.111914][ T5073] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5073 'syz-fuzzer' [ 52.227094][ T5082] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.235441][ T5082] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.243078][ T5082] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.251566][ T5082] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.259208][ T5082] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.267199][ T5082] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.380311][ T5079] chnl_net:caif_netlink_parms(): no params data found [ 52.422467][ T5079] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.430237][ T5079] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.437851][ T5079] bridge_slave_0: entered allmulticast mode [ 52.446000][ T5079] bridge_slave_0: entered promiscuous mode [ 52.454654][ T5079] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.463086][ T5079] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.470372][ T5079] bridge_slave_1: entered allmulticast mode [ 52.476936][ T5079] bridge_slave_1: entered promiscuous mode [ 52.497308][ T5079] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.508331][ T5079] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.531867][ T5079] team0: Port device team_slave_0 added [ 52.539809][ T5079] team0: Port device team_slave_1 added [ 52.557522][ T5079] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.564600][ T5079] 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. [ 52.591066][ T5079] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.605199][ T5079] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.612153][ T5079] 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. [ 52.638664][ T5079] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.669048][ T5079] hsr_slave_0: entered promiscuous mode [ 52.675765][ T5079] hsr_slave_1: entered promiscuous mode [ 52.756286][ T5079] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.767788][ T5079] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.777672][ T5079] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.786587][ T5079] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.808776][ T5079] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.815983][ T5079] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.824062][ T5079] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.831264][ T5079] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.877386][ T5079] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.893130][ T5079] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.901561][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.911885][ T5091] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.921278][ T5091] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.929498][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.947006][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.955721][ T5092] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.962888][ T5092] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.970798][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.979733][ T5092] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.986884][ T5092] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.006412][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.017728][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.026291][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.042954][ T5079] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.054283][ T5079] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.071365][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.081119][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.090862][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.196661][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.204588][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.218258][ T5079] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.238760][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.257276][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.266363][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.274744][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.284315][ T5079] veth0_vlan: entered promiscuous mode [ 53.295131][ T5079] veth1_vlan: entered promiscuous mode [ 53.302216][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.322170][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.330968][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.341621][ T5079] veth0_macvtap: entered promiscuous mode [ 53.353486][ T5079] veth1_macvtap: entered promiscuous mode [ 53.361613][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.379546][ T5079] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.387607][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.397035][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.409997][ T5079] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.421143][ T5079] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.430746][ T5079] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.439657][ T5079] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.449110][ T5079] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.459479][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.468822][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.526997][ T1072] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.535584][ T1072] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.552555][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.566307][ T1072] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.575821][ T1072] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.585311][ T5091] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/02/24 05:17:04 building call list... [ 53.773179][ T5079] [ 53.775564][ T5079] ====================================================== [ 53.782733][ T5079] WARNING: possible circular locking dependency detected [ 53.789853][ T5079] 6.2.0-next-20230224-syzkaller #0 Not tainted [ 53.796020][ T5079] ------------------------------------------------------ [ 53.803033][ T5079] syz-executor.0/5079 is trying to acquire lock: [ 53.809447][ T5079] ffff88807aad0880 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: __flush_work+0xdd/0xb60 [ 53.820537][ T5079] [ 53.820537][ T5079] but task is already holding lock: [ 53.828509][ T5079] ffff88807aad0920 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}, at: hci_cmd_sync_clear+0x3c/0x2a0 [ 53.838820][ T5079] [ 53.838820][ T5079] which lock already depends on the new lock. [ 53.838820][ T5079] [ 53.849488][ T5079] [ 53.849488][ T5079] the existing dependency chain (in reverse order) is: [ 53.858767][ T5079] [ 53.858767][ T5079] -> #1 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}: [ 53.867498][ T5079] __mutex_lock+0x12f/0x1350 [ 53.872756][ T5079] hci_cmd_sync_work+0x26f/0x450 [ 53.878448][ T5079] process_one_work+0x9bf/0x1820 [ 53.883931][ T5079] worker_thread+0x669/0x1090 [ 53.889129][ T5079] kthread+0x2e8/0x3a0 [ 53.893814][ T5079] ret_from_fork+0x1f/0x30 [ 53.898764][ T5079] [ 53.898764][ T5079] -> #0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}: [ 53.908851][ T5079] __lock_acquire+0x2ec7/0x5d40 [ 53.914238][ T5079] lock_acquire.part.0+0x11a/0x370 [ 53.919979][ T5079] __flush_work+0x109/0xb60 [ 53.925025][ T5079] __cancel_work_timer+0x3f9/0x570 [ 53.930681][ T5079] hci_cmd_sync_clear+0x48/0x2a0 [ 53.936150][ T5079] hci_unregister_dev+0x16b/0x580 [ 53.941701][ T5079] vhci_release+0x80/0xf0 [ 53.946743][ T5079] __fput+0x27c/0xa90 [ 53.951252][ T5079] task_work_run+0x16f/0x270 [ 53.956505][ T5079] do_exit+0xb42/0x2b60 [ 53.961207][ T5079] do_group_exit+0xd4/0x2a0 [ 53.966353][ T5079] get_signal+0x2315/0x25b0 [ 53.971425][ T5079] arch_do_signal_or_restart+0x79/0x5c0 [ 53.977599][ T5079] exit_to_user_mode_prepare+0x15f/0x250 [ 53.983854][ T5079] syscall_exit_to_user_mode+0x1d/0x50 [ 53.989877][ T5079] do_syscall_64+0x46/0xb0 [ 53.995020][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.001536][ T5079] [ 54.001536][ T5079] other info that might help us debug this: [ 54.001536][ T5079] [ 54.011859][ T5079] Possible unsafe locking scenario: [ 54.011859][ T5079] [ 54.019339][ T5079] CPU0 CPU1 [ 54.024881][ T5079] ---- ---- [ 54.030342][ T5079] lock(&hdev->cmd_sync_work_lock); [ 54.035635][ T5079] lock((work_completion)(&hdev->cmd_sync_work)); [ 54.044665][ T5079] lock(&hdev->cmd_sync_work_lock); [ 54.052563][ T5079] lock((work_completion)(&hdev->cmd_sync_work)); [ 54.059067][ T5079] [ 54.059067][ T5079] *** DEADLOCK *** [ 54.059067][ T5079] [ 54.067213][ T5079] 1 lock held by syz-executor.0/5079: [ 54.072588][ T5079] #0: ffff88807aad0920 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}, at: hci_cmd_sync_clear+0x3c/0x2a0 [ 54.083407][ T5079] [ 54.083407][ T5079] stack backtrace: [ 54.089398][ T5079] CPU: 0 PID: 5079 Comm: syz-executor.0 Not tainted 6.2.0-next-20230224-syzkaller #0 [ 54.098927][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 54.109088][ T5079] Call Trace: [ 54.112417][ T5079] [ 54.115390][ T5079] dump_stack_lvl+0xd9/0x150 [ 54.120450][ T5079] check_noncircular+0x25f/0x2e0 [ 54.125397][ T5079] ? register_lock_class+0xbe/0x1120 [ 54.130696][ T5079] ? print_circular_bug+0x5c0/0x5c0 [ 54.136070][ T5079] ? is_dynamic_key.part.0+0x1f0/0x1f0 [ 54.141617][ T5079] __lock_acquire+0x2ec7/0x5d40 [ 54.146471][ T5079] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 54.152459][ T5079] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 54.158439][ T5079] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 54.164606][ T5079] ? find_held_lock+0x2d/0x110 [ 54.170273][ T5079] lock_acquire.part.0+0x11a/0x370 [ 54.175402][ T5079] ? __flush_work+0xdd/0xb60 [ 54.179998][ T5079] ? lock_release+0x780/0x780 [ 54.184790][ T5079] ? __flush_work+0xdd/0xb60 [ 54.190709][ T5079] ? rcu_read_lock_sched_held+0x3e/0x70 [ 54.196446][ T5079] ? trace_lock_acquire+0x1f1/0x2b0 [ 54.201644][ T5079] ? __flush_work+0xdd/0xb60 [ 54.206580][ T5079] ? lock_acquire+0x32/0xc0 [ 54.211188][ T5079] ? __flush_work+0xdd/0xb60 [ 54.215791][ T5079] __flush_work+0x109/0xb60 [ 54.220302][ T5079] ? __flush_work+0xdd/0xb60 [ 54.224890][ T5079] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.230093][ T5079] ? print_usage_bug.part.0+0x660/0x660 [ 54.235846][ T5079] ? mod_delayed_work_on+0x220/0x220 [ 54.241342][ T5079] ? lock_release+0x780/0x780 [ 54.246146][ T5079] ? hci_cmd_sync_clear+0x3c/0x2a0 [ 54.251558][ T5079] ? mark_held_locks+0x9f/0xe0 [ 54.256616][ T5079] __cancel_work_timer+0x3f9/0x570 [ 54.261765][ T5079] ? work_on_cpu_safe+0xe0/0xe0 [ 54.266825][ T5079] ? __cancel_work_timer+0x339/0x570 [ 54.272330][ T5079] ? work_on_cpu_safe+0xe0/0xe0 [ 54.279492][ T5079] ? hci_unregister_dev+0x157/0x580 [ 54.284696][ T5079] ? lock_downgrade+0x690/0x690 [ 54.289544][ T5079] ? do_raw_write_lock+0x11e/0x3b0 [ 54.294654][ T5079] hci_cmd_sync_clear+0x48/0x2a0 [ 54.299627][ T5079] hci_unregister_dev+0x16b/0x580 [ 54.304647][ T5079] vhci_release+0x80/0xf0 [ 54.309006][ T5079] __fput+0x27c/0xa90 [ 54.313023][ T5079] ? vhci_close_dev+0x50/0x50 [ 54.317753][ T5079] task_work_run+0x16f/0x270 [ 54.322355][ T5079] ? task_work_cancel+0x30/0x30 [ 54.327236][ T5079] do_exit+0xb42/0x2b60 [ 54.331410][ T5079] ? find_held_lock+0x2d/0x110 [ 54.336275][ T5079] ? get_signal+0x89d/0x25b0 [ 54.340878][ T5079] ? mm_update_next_owner+0x7b0/0x7b0 [ 54.346439][ T5079] do_group_exit+0xd4/0x2a0 [ 54.351032][ T5079] get_signal+0x2315/0x25b0 [ 54.355538][ T5079] ? slab_free_freelist_hook+0x8b/0x1c0 [ 54.361105][ T5079] ? exit_signals+0x910/0x910 [ 54.365781][ T5079] arch_do_signal_or_restart+0x79/0x5c0 [ 54.371416][ T5079] ? get_sigframe_size+0x10/0x10 [ 54.376381][ T5079] ? __ia32_sys_mkdir+0x140/0x140 [ 54.381416][ T5079] exit_to_user_mode_prepare+0x15f/0x250 [ 54.387060][ T5079] syscall_exit_to_user_mode+0x1d/0x50 [ 54.392541][ T5079] do_syscall_64+0x46/0xb0 [ 54.396962][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.402868][ T5079] RIP: 0033:0x7fc539a8ba97 [ 54.407646][ T5079] Code: Unable to access opcode bytes at 0x7fc539a8ba6d. [ 54.414667][ T5079] RSP: 002b:00007ffd2ea342e8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 [ 54.423350][ T5079] RAX: 0000000000000000 RBX: 0000000000000065 RCX: 00007fc539a8ba97 [ 54.431316][ T5079] RDX: 0000000000000200 RSI: 00007ffd2ea35470 RDI: 00000000ffffff9c [ 54.439282][ T5079] RBP: 00007ffd2ea343b0 R08: 0000000000000000 R09: 00007ffd2ea34180 [ 54.447354][ T5079] R10: 0000555555b318e3 R11: 0000000000000207 R12: 00007fc539ae6b24 [ 54.455344][ T5079] R13: 00007ffd2ea35470 R14: 0000555555b31810 R15: 00007ffd2ea354b0 [ 54.463325][ T5079] [ 54.473666][ T5082] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.596738][ T5072] 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. [ 55.704742][ T5072] can: request_module (can-proto-0) failed. [ 55.728139][ T5072] can: request_module (can-proto-0) failed. [ 55.750453][ T5072] can: request_module (can-proto-0) failed. [ 56.422572][ T5072] base_sock_release(ffff8880761dd400) sk=ffff888017b70000