Warning: Permanently added '10.128.0.245' (ED25519) to the list of known hosts. 2025/05/20 23:01:46 ignoring optional flag "sandboxArg"="0" 2025/05/20 23:01:47 parsed 1 programs [ 66.256878][ T4174] cgroup: Unknown subsys name 'net' [ 66.369927][ T4174] cgroup: Unknown subsys name 'rlimit' [ 67.861692][ T4174] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 69.800959][ T4200] chnl_net:caif_netlink_parms(): no params data found [ 69.855962][ T4200] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.864023][ T4200] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.872354][ T4200] device bridge_slave_0 entered promiscuous mode [ 69.884206][ T4200] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.891813][ T4200] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.900989][ T4200] device bridge_slave_1 entered promiscuous mode [ 69.932162][ T4200] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.944351][ T4200] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.979490][ T4200] team0: Port device team_slave_0 added [ 69.988145][ T4200] team0: Port device team_slave_1 added [ 70.016520][ T4200] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.023648][ T4200] 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. [ 70.050362][ T4200] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.064394][ T4200] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.071462][ T4200] 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. [ 70.098328][ T4200] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.140282][ T4200] device hsr_slave_0 entered promiscuous mode [ 70.147249][ T4200] device hsr_slave_1 entered promiscuous mode [ 70.295963][ T4200] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.310313][ T4200] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.322906][ T4200] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.333139][ T4200] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.368746][ T4200] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.377089][ T4200] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.385626][ T4200] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.393180][ T4200] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.461797][ T4200] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.477667][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.489368][ T517] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.499355][ T517] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.508706][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.525011][ T4200] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.538769][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.548197][ T517] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.555356][ T517] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.587146][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.596681][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.605420][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.618741][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.627922][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.658446][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.668857][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.679780][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.697082][ T4200] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.836252][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.844670][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.859345][ T4200] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.892269][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.905363][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.929272][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.939787][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.953406][ T4200] device veth0_vlan entered promiscuous mode [ 70.964067][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.975273][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.987465][ T4200] device veth1_vlan entered promiscuous mode [ 71.018826][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.029629][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.038649][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.047768][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.059965][ T4200] device veth0_macvtap entered promiscuous mode [ 71.072220][ T4200] device veth1_macvtap entered promiscuous mode [ 71.091883][ T4200] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.100408][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.110334][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.119588][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.128866][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.145896][ T4200] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.154540][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.166018][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.181127][ T4200] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.194191][ T4200] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.205203][ T4200] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.215781][ T4200] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.266876][ T1423] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.274361][ T1423] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.038909][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.056467][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.076035][ T517] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.076142][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.088565][ T517] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.105698][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 73.497804][ T1438] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/05/20 23:01:57 executed programs: 0 [ 73.807690][ T4260] chnl_net:caif_netlink_parms(): no params data found [ 73.855582][ T4260] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.863068][ T4260] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.871520][ T4260] device bridge_slave_0 entered promiscuous mode [ 73.880314][ T4260] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.888941][ T4260] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.897416][ T4260] device bridge_slave_1 entered promiscuous mode [ 73.919432][ T4260] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.931324][ T4260] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.958707][ T4260] team0: Port device team_slave_0 added [ 73.966815][ T4260] team0: Port device team_slave_1 added [ 73.990327][ T4260] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.998972][ T4260] 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. [ 74.026336][ T4260] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.041947][ T4260] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.049313][ T4260] 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. [ 74.076766][ T4260] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.110453][ T4260] device hsr_slave_0 entered promiscuous mode [ 74.117701][ T4260] device hsr_slave_1 entered promiscuous mode [ 74.124749][ T4260] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.132632][ T4260] Cannot create hsr debugfs directory [ 75.734559][ T4206] Bluetooth: hci0: command 0x0409 tx timeout [ 76.691034][ T1438] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.749688][ T1438] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.822425][ T1438] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.719911][ T4260] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.792529][ T4260] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.803759][ T4260] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.814230][ T4298] Bluetooth: hci0: command 0x041b tx timeout [ 77.820770][ T4260] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.968664][ T4260] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.013220][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.021521][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.034798][ T4260] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.048389][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.059974][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.069930][ T517] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.077304][ T517] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.086902][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.103922][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.114159][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.123387][ T517] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.131551][ T517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.143122][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.174843][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.188227][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.198338][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.207627][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.224168][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.234380][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.244679][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.253189][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.265578][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.274945][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.287660][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.420899][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.429016][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.442998][ T4260] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.484810][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.495087][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.517400][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.527035][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.535889][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.544702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.553172][ T4260] device veth0_vlan entered promiscuous mode [ 78.585787][ T4260] device veth1_vlan entered promiscuous mode [ 78.607348][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.616626][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.627546][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.636334][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.647398][ T4260] device veth0_macvtap entered promiscuous mode [ 78.659684][ T4260] device veth1_macvtap entered promiscuous mode [ 78.692412][ T4260] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.704682][ T4260] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.715966][ T4260] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.726896][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.735458][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.743854][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.754219][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.767260][ T4260] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.778276][ T4260] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.789890][ T4260] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.806430][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.817838][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.839882][ T4260] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.849273][ T4260] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.858426][ T4260] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.867211][ T4260] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.920964][ T1438] device hsr_slave_0 left promiscuous mode [ 78.930992][ T1438] device hsr_slave_1 left promiscuous mode [ 78.939850][ T1438] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.948184][ T1438] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.956670][ T1438] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.964370][ T1438] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.972771][ T1438] device bridge_slave_1 left promiscuous mode [ 78.980746][ T1438] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.997434][ T1438] device bridge_slave_0 left promiscuous mode [ 79.003885][ T1438] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.022083][ T1438] device veth1_macvtap left promiscuous mode [ 79.029398][ T1438] device veth0_macvtap left promiscuous mode [ 79.035680][ T1438] device veth1_vlan left promiscuous mode [ 79.041948][ T1438] device veth0_vlan left promiscuous mode [ 79.231583][ T1438] team0 (unregistering): Port device team_slave_1 removed [ 79.246764][ T1438] team0 (unregistering): Port device team_slave_0 removed [ 79.263168][ T1438] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.279179][ T1438] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.342327][ T1438] bond0 (unregistering): Released all slaves [ 79.422552][ T517] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.443092][ T517] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.470053][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.477487][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.477543][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.494900][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.536812][ T4336] [ 79.539190][ T4336] ====================================================== [ 79.546481][ T4336] WARNING: possible circular locking dependency detected [ 79.553523][ T4336] 5.15.183-syzkaller #0 Not tainted [ 79.560003][ T4336] ------------------------------------------------------ [ 79.567791][ T4336] syz.0.16/4336 is trying to acquire lock: [ 79.574298][ T4336] ffff88805c6ccc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 79.585421][ T4336] [ 79.585421][ T4336] but task is already holding lock: [ 79.593349][ T4336] ffffffff8d4b1fc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 79.603219][ T4336] [ 79.603219][ T4336] which lock already depends on the new lock. [ 79.603219][ T4336] [ 79.613748][ T4336] [ 79.613748][ T4336] the existing dependency chain (in reverse order) is: [ 79.622943][ T4336] [ 79.622943][ T4336] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 79.631111][ T4336] __mutex_lock_common+0x1eb/0x2390 [ 79.637013][ T4336] mutex_lock_nested+0x17/0x20 [ 79.642438][ T4336] rfkill_register+0x33/0x8a0 [ 79.647858][ T4336] hci_register_dev+0x452/0x970 [ 79.653625][ T4336] vhci_create_device+0x32c/0x5c0 [ 79.659600][ T4336] vhci_write+0x391/0x450 [ 79.664937][ T4336] vfs_write+0x712/0xd00 [ 79.669926][ T4336] ksys_write+0x14d/0x250 [ 79.675070][ T4336] do_syscall_64+0x4c/0xa0 [ 79.680014][ T4336] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.687131][ T4336] [ 79.687131][ T4336] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 79.696022][ T4336] __mutex_lock_common+0x1eb/0x2390 [ 79.702394][ T4336] mutex_lock_nested+0x17/0x20 [ 79.707861][ T4336] vhci_send_frame+0x88/0x100 [ 79.713073][ T4336] hci_send_frame+0x1a9/0x2e0 [ 79.718875][ T4336] hci_tx_work+0x9f9/0x1710 [ 79.724295][ T4336] process_one_work+0x863/0x1000 [ 79.729836][ T4336] worker_thread+0xaa8/0x12a0 [ 79.735311][ T4336] kthread+0x436/0x520 [ 79.739901][ T4336] ret_from_fork+0x1f/0x30 [ 79.745021][ T4336] [ 79.745021][ T4336] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 79.754778][ T4336] __flush_work+0xdd/0x1b0 [ 79.759737][ T4336] hci_dev_do_close+0x1e7/0x1030 [ 79.765996][ T4336] hci_unregister_dev+0x2d7/0x580 [ 79.771634][ T4336] vhci_release+0x73/0xc0 [ 79.777154][ T4336] __fput+0x234/0x930 [ 79.781749][ T4336] task_work_run+0x125/0x1a0 [ 79.786855][ T4336] do_exit+0x616/0x20a0 [ 79.791796][ T4336] do_group_exit+0x12e/0x300 [ 79.797816][ T4336] get_signal+0x6ca/0x12c0 [ 79.802859][ T4336] arch_do_signal_or_restart+0xc1/0x1300 [ 79.809237][ T4336] exit_to_user_mode_loop+0x9e/0x130 [ 79.815068][ T4336] exit_to_user_mode_prepare+0xb1/0x140 [ 79.821580][ T4336] syscall_exit_to_user_mode+0x16/0x40 [ 79.827555][ T4336] do_syscall_64+0x58/0xa0 [ 79.832605][ T4336] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.839629][ T4336] [ 79.839629][ T4336] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 79.847283][ T4336] __mutex_lock_common+0x1eb/0x2390 [ 79.853002][ T4336] mutex_lock_nested+0x17/0x20 [ 79.858522][ T4336] bg_scan_update+0x44/0x3b0 [ 79.864349][ T4336] process_one_work+0x863/0x1000 [ 79.870262][ T4336] worker_thread+0xaa8/0x12a0 [ 79.875518][ T4336] kthread+0x436/0x520 [ 79.880122][ T4336] ret_from_fork+0x1f/0x30 [ 79.885160][ T4336] [ 79.885160][ T4336] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 79.895160][ T4336] __lock_acquire+0x2c33/0x7c60 [ 79.900534][ T4336] lock_acquire+0x197/0x3f0 [ 79.905551][ T4336] __flush_work+0xdd/0x1b0 [ 79.911197][ T4336] __cancel_work_timer+0x3ac/0x520 [ 79.916958][ T4336] hci_request_cancel_all+0xcc/0x300 [ 79.922769][ T4336] hci_dev_do_close+0x4e/0x1030 [ 79.928229][ T4336] hci_rfkill_set_block+0x10a/0x190 [ 79.934388][ T4336] rfkill_set_block+0x1c6/0x420 [ 79.940146][ T4336] rfkill_fop_write+0x458/0x560 [ 79.945797][ T4336] vfs_write+0x300/0xd00 [ 79.951141][ T4336] ksys_write+0x14d/0x250 [ 79.956354][ T4336] do_syscall_64+0x4c/0xa0 [ 79.961438][ T4336] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.968298][ T4336] [ 79.968298][ T4336] other info that might help us debug this: [ 79.968298][ T4336] [ 79.978822][ T4336] Chain exists of: [ 79.978822][ T4336] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 79.978822][ T4336] [ 79.996334][ T4336] Possible unsafe locking scenario: [ 79.996334][ T4336] [ 80.004054][ T4336] CPU0 CPU1 [ 80.009492][ T4336] ---- ---- [ 80.014908][ T4336] lock(rfkill_global_mutex); [ 80.019660][ T4336] lock(&data->open_mutex); [ 80.027187][ T4336] lock(rfkill_global_mutex); [ 80.034854][ T4336] lock((work_completion)(&hdev->bg_scan_update)); [ 80.041698][ T4336] [ 80.041698][ T4336] *** DEADLOCK *** [ 80.041698][ T4336] [ 80.049921][ T4336] 1 lock held by syz.0.16/4336: [ 80.054899][ T4336] #0: ffffffff8d4b1fc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 80.065743][ T4336] [ 80.065743][ T4336] stack backtrace: [ 80.072026][ T4336] CPU: 1 PID: 4336 Comm: syz.0.16 Not tainted 5.15.183-syzkaller #0 [ 80.080382][ T4336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.090648][ T4336] Call Trace: [ 80.094694][ T4336] [ 80.098933][ T4336] dump_stack_lvl+0x168/0x230 [ 80.103723][ T4336] ? load_image+0x3b0/0x3b0 [ 80.108327][ T4336] ? show_regs_print_info+0x20/0x20 [ 80.113724][ T4336] ? print_circular_bug+0x12b/0x1a0 [ 80.118934][ T4336] check_noncircular+0x274/0x310 [ 80.123866][ T4336] ? add_chain_block+0x940/0x940 [ 80.128879][ T4336] ? lockdep_lock+0xdc/0x1e0 [ 80.133472][ T4336] ? __lock_acquire+0x12d9/0x7c60 [ 80.138518][ T4336] ? lockdep_lock+0x1e0/0x1e0 [ 80.143197][ T4336] ? mark_lock+0x94/0x320 [ 80.147657][ T4336] ? _find_first_zero_bit+0xce/0xf0 [ 80.152862][ T4336] __lock_acquire+0x2c33/0x7c60 [ 80.157916][ T4336] ? verify_lock_unused+0x140/0x140 [ 80.163156][ T4336] ? verify_lock_unused+0x140/0x140 [ 80.168371][ T4336] lock_acquire+0x197/0x3f0 [ 80.172879][ T4336] ? __flush_work+0xc1/0x1b0 [ 80.177615][ T4336] ? __lock_acquire+0x7c60/0x7c60 [ 80.182643][ T4336] ? read_lock_is_recursive+0x10/0x10 [ 80.188034][ T4336] ? start_flush_work+0x776/0x820 [ 80.193636][ T4336] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 80.199857][ T4336] ? _raw_spin_unlock+0x40/0x40 [ 80.206194][ T4336] __flush_work+0xdd/0x1b0 [ 80.210802][ T4336] ? __flush_work+0xc1/0x1b0 [ 80.215776][ T4336] ? flush_work+0x20/0x20 [ 80.221270][ T4336] ? try_to_grab_pending+0xf3/0x7e0 [ 80.226685][ T4336] ? lockdep_hardirqs_off+0x70/0x100 [ 80.232152][ T4336] ? mark_lock+0x94/0x320 [ 80.237163][ T4336] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 80.243778][ T4336] ? lock_chain_count+0x20/0x20 [ 80.248638][ T4336] ? mark_lock+0x94/0x320 [ 80.253376][ T4336] ? __cancel_work_timer+0x331/0x520 [ 80.259012][ T4336] __cancel_work_timer+0x3ac/0x520 [ 80.264317][ T4336] ? cancel_work_sync+0x20/0x20 [ 80.269173][ T4336] ? __cancel_work+0x1f4/0x2d0 [ 80.274030][ T4336] ? lockdep_hardirqs_on+0x94/0x140 [ 80.279310][ T4336] ? __cancel_work+0x26f/0x2d0 [ 80.284066][ T4336] ? cancel_work+0x20/0x20 [ 80.288564][ T4336] ? lock_chain_count+0x20/0x20 [ 80.293431][ T4336] hci_request_cancel_all+0xcc/0x300 [ 80.298926][ T4336] hci_dev_do_close+0x4e/0x1030 [ 80.303799][ T4336] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 80.309726][ T4336] ? _raw_spin_unlock+0x40/0x40 [ 80.314613][ T4336] hci_rfkill_set_block+0x10a/0x190 [ 80.319836][ T4336] ? rcu_lock_release+0x20/0x20 [ 80.324708][ T4336] rfkill_set_block+0x1c6/0x420 [ 80.329839][ T4336] rfkill_fop_write+0x458/0x560 [ 80.336077][ T4336] ? verify_lock_unused+0x140/0x140 [ 80.341733][ T4336] ? rfkill_fop_read+0x4b0/0x4b0 [ 80.347654][ T4336] ? common_file_perm+0x140/0x1c0 [ 80.353314][ T4336] ? fsnotify_perm+0x5d/0x560 [ 80.358713][ T4336] ? security_file_permission+0x75/0xa0 [ 80.364348][ T4336] ? rfkill_fop_read+0x4b0/0x4b0 [ 80.369303][ T4336] vfs_write+0x300/0xd00 [ 80.373546][ T4336] ? file_end_write+0x250/0x250 [ 80.378405][ T4336] ? __context_tracking_exit+0x4c/0x80 [ 80.383856][ T4336] ? __lock_acquire+0x7c60/0x7c60 [ 80.388864][ T4336] ? __fdget_pos+0x1e2/0x370 [ 80.393435][ T4336] ksys_write+0x14d/0x250 [ 80.397769][ T4336] ? __ia32_sys_read+0x80/0x80 [ 80.402511][ T4336] ? lockdep_hardirqs_on+0x94/0x140 [ 80.407702][ T4336] do_syscall_64+0x4c/0xa0 [ 80.412097][ T4336] ? clear_bhb_loop+0x15/0x70 [ 80.416858][ T4336] ? clear_bhb_loop+0x15/0x70 [ 80.421550][ T4336] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 80.427452][ T4336] RIP: 0033:0x7f62b7734969 [ 80.431864][ T4336] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 80.451463][ T4336] RSP: 002b:00007fff00992bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.459861][ T4336] RAX: ffffffffffffffda RBX: 00007f62b795bfa0 RCX: 00007f62b7734969 [ 80.467821][ T4336] RDX: 0000000000000008 RSI: 0000200000000300 RDI: 0000000000000003 [ 80.475772][ T4336] RBP: 00007f62b77b6ab1 R08: 0000000000000000 R09: 0000000000000000 [ 80.483735][ T4336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.491689][ T4336] R13: 00007f62b795bfa0 R14: 00007f62b795bfa0 R15: 0000000000000003 [ 80.499769][ T4336] [ 80.505533][ T4298] Bluetooth: hci0: command 0x040f tx timeout