Warning: Permanently added '10.128.1.81' (ED25519) to the list of known hosts. 2025/03/03 13:26:00 ignoring optional flag "sandboxArg"="0" 2025/03/03 13:26:01 parsed 1 programs [ 69.027794][ T4176] cgroup: Unknown subsys name 'net' [ 69.189728][ T4176] cgroup: Unknown subsys name 'rlimit' [ 70.662572][ T4176] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 71.455289][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.461783][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.139927][ T4183] chnl_net:caif_netlink_parms(): no params data found [ 72.201874][ T4183] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.209453][ T4183] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.218597][ T4183] device bridge_slave_0 entered promiscuous mode [ 72.227849][ T4183] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.234971][ T4183] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.242779][ T4183] device bridge_slave_1 entered promiscuous mode [ 72.266689][ T4183] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.277845][ T4183] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.303069][ T4183] team0: Port device team_slave_0 added [ 72.310532][ T4183] team0: Port device team_slave_1 added [ 72.331388][ T4183] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.338449][ T4183] 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. [ 72.364356][ T4183] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.377110][ T4183] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.384209][ T4183] 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. [ 72.410469][ T4183] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.443316][ T4183] device hsr_slave_0 entered promiscuous mode [ 72.450388][ T4183] device hsr_slave_1 entered promiscuous mode [ 72.548490][ T4183] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.559914][ T4183] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.569882][ T4183] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.580038][ T4183] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.604127][ T4183] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.611287][ T4183] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.619259][ T4183] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.626352][ T4183] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.672164][ T4183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.687625][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.698332][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.706413][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.715513][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.728925][ T4183] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.741176][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.749922][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.757016][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.768756][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.777445][ T1228] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.784550][ T1228] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.805868][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.815243][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.828588][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.840242][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.853490][ T4183] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.865709][ T4183] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.874378][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.948300][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.956587][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.969868][ T4183] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.988599][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.008805][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.017577][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.025655][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.037177][ T4183] device veth0_vlan entered promiscuous mode [ 73.048441][ T4183] device veth1_vlan entered promiscuous mode [ 73.069594][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.078126][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.087001][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.098233][ T4183] device veth0_macvtap entered promiscuous mode [ 73.108297][ T4183] device veth1_macvtap entered promiscuous mode [ 73.126074][ T4183] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.133722][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.143370][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.154846][ T4183] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.162191][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.171226][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.182469][ T4183] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.191710][ T4183] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.200518][ T4183] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.210008][ T4183] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.354581][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.498427][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.511227][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.524413][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.539170][ T1228] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.547793][ T1228] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.556501][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.879380][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.421438][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.470220][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.192766][ T9] device hsr_slave_0 left promiscuous mode [ 79.210261][ T9] device hsr_slave_1 left promiscuous mode [ 79.221166][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.240688][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.260938][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.274185][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.286909][ T9] device bridge_slave_1 left promiscuous mode 2025/03/03 13:26:14 executed programs: 0 [ 79.315943][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.379940][ T9] device bridge_slave_0 left promiscuous mode [ 79.405793][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.478353][ T9] device veth1_macvtap left promiscuous mode [ 79.485453][ T9] device veth0_macvtap left promiscuous mode [ 79.491725][ T9] device veth1_vlan left promiscuous mode [ 79.498036][ T9] device veth0_vlan left promiscuous mode [ 79.737038][ T9] team0 (unregistering): Port device team_slave_1 removed [ 79.759640][ T9] team0 (unregistering): Port device team_slave_0 removed [ 79.776846][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.794956][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.854658][ T9] bond0 (unregistering): Released all slaves [ 80.046335][ T4284] chnl_net:caif_netlink_parms(): no params data found [ 80.151793][ T4284] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.177762][ T4284] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.186490][ T4284] device bridge_slave_0 entered promiscuous mode [ 80.198348][ T4284] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.206306][ T4284] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.217707][ T4284] device bridge_slave_1 entered promiscuous mode [ 80.258225][ T4284] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.269988][ T4284] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.319479][ T4284] team0: Port device team_slave_0 added [ 80.327724][ T4284] team0: Port device team_slave_1 added [ 80.352379][ T4284] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.359553][ T4284] 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. [ 80.385753][ T4284] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.399506][ T4284] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.411426][ T4284] 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. [ 80.459550][ T4284] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.541764][ T4284] device hsr_slave_0 entered promiscuous mode [ 80.563956][ T4284] device hsr_slave_1 entered promiscuous mode [ 81.191505][ T4284] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.216004][ T4284] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.233673][ T4284] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.243929][ T4284] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.330976][ T4284] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.348789][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.358421][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.370771][ T4284] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.385901][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.395582][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.405235][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.412349][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.434854][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.443926][ T4191] Bluetooth: hci0: command 0x0409 tx timeout [ 81.453589][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.462456][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.472591][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.480128][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.490717][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.500589][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.519431][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.540501][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.554176][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.564545][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.573694][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.585093][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.600586][ T4284] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.613356][ T4284] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.621741][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.634133][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.644646][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.685983][ T1111] cfg80211: failed to load regulatory.db [ 81.797955][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.808403][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.828133][ T4284] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.874078][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.886208][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.916584][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.926952][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.940010][ T4284] device veth0_vlan entered promiscuous mode [ 81.948120][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.961700][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.976028][ T4284] device veth1_vlan entered promiscuous mode [ 81.986930][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.017568][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 82.029242][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.041244][ T4284] device veth0_macvtap entered promiscuous mode [ 82.055421][ T4284] device veth1_macvtap entered promiscuous mode [ 82.079045][ T4284] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.087895][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.097191][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 82.113839][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.133398][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.145665][ T4284] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.160100][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.193666][ T1228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.216486][ T4284] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.231909][ T4284] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.241560][ T4284] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.263678][ T4284] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.421853][ T1228] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.454174][ T1228] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.475921][ T516] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 82.496512][ T516] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.524110][ T516] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.533362][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 82.780920][ T4363] [ 82.783307][ T4363] ====================================================== [ 82.790330][ T4363] WARNING: possible circular locking dependency detected [ 82.797355][ T4363] 5.15.178-syzkaller #0 Not tainted [ 82.802558][ T4363] ------------------------------------------------------ [ 82.809579][ T4363] syz.0.16/4363 is trying to acquire lock: [ 82.815388][ T4363] ffff888077104c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 82.826478][ T4363] [ 82.826478][ T4363] but task is already holding lock: [ 82.833851][ T4363] ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 82.843536][ T4363] [ 82.843536][ T4363] which lock already depends on the new lock. [ 82.843536][ T4363] [ 82.853947][ T4363] [ 82.853947][ T4363] the existing dependency chain (in reverse order) is: [ 82.862976][ T4363] [ 82.862976][ T4363] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 82.871100][ T4363] lock_acquire+0x1db/0x4f0 [ 82.876148][ T4363] __mutex_lock_common+0x1da/0x25a0 [ 82.881888][ T4363] mutex_lock_nested+0x17/0x20 [ 82.887293][ T4363] rfkill_register+0x30/0x880 [ 82.892509][ T4363] hci_register_dev+0x4dd/0xa50 [ 82.897942][ T4363] vhci_create_device+0x310/0x590 [ 82.903508][ T4363] vhci_write+0x382/0x430 [ 82.908376][ T4363] vfs_write+0xacd/0xe50 [ 82.913154][ T4363] ksys_write+0x1a2/0x2c0 [ 82.918026][ T4363] do_syscall_64+0x3b/0xb0 [ 82.922977][ T4363] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 82.929409][ T4363] [ 82.929409][ T4363] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 82.937247][ T4363] lock_acquire+0x1db/0x4f0 [ 82.942286][ T4363] __mutex_lock_common+0x1da/0x25a0 [ 82.948024][ T4363] mutex_lock_nested+0x17/0x20 [ 82.953328][ T4363] vhci_send_frame+0x8a/0xf0 [ 82.958456][ T4363] hci_send_frame+0x1af/0x2f0 [ 82.963664][ T4363] hci_tx_work+0xb2e/0x1a30 [ 82.968701][ T4363] process_one_work+0x8a1/0x10c0 [ 82.974179][ T4363] worker_thread+0xaca/0x1280 [ 82.979394][ T4363] kthread+0x3f6/0x4f0 [ 82.983999][ T4363] ret_from_fork+0x1f/0x30 [ 82.988948][ T4363] [ 82.988948][ T4363] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 82.998171][ T4363] lock_acquire+0x1db/0x4f0 [ 83.003213][ T4363] __flush_work+0xeb/0x1a0 [ 83.008164][ T4363] hci_dev_do_close+0x20a/0x1070 [ 83.013646][ T4363] hci_unregister_dev+0x2d7/0x580 [ 83.019207][ T4363] vhci_release+0x73/0xc0 [ 83.024073][ T4363] __fput+0x3fe/0x8e0 [ 83.028596][ T4363] task_work_run+0x129/0x1a0 [ 83.033724][ T4363] do_exit+0x6a3/0x2480 [ 83.038417][ T4363] do_group_exit+0x144/0x310 [ 83.043550][ T4363] get_signal+0xc66/0x14e0 [ 83.048504][ T4363] arch_do_signal_or_restart+0xc3/0x1890 [ 83.054679][ T4363] exit_to_user_mode_loop+0x97/0x130 [ 83.060505][ T4363] exit_to_user_mode_prepare+0xb1/0x140 [ 83.066591][ T4363] syscall_exit_to_user_mode+0x5d/0x240 [ 83.072678][ T4363] do_syscall_64+0x47/0xb0 [ 83.077808][ T4363] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.084254][ T4363] [ 83.084254][ T4363] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 83.091921][ T4363] lock_acquire+0x1db/0x4f0 [ 83.096972][ T4363] __mutex_lock_common+0x1da/0x25a0 [ 83.102710][ T4363] mutex_lock_nested+0x17/0x20 [ 83.108010][ T4363] bg_scan_update+0xa1/0x4a0 [ 83.113135][ T4363] process_one_work+0x8a1/0x10c0 [ 83.118612][ T4363] worker_thread+0xaca/0x1280 [ 83.123828][ T4363] kthread+0x3f6/0x4f0 [ 83.128429][ T4363] ret_from_fork+0x1f/0x30 [ 83.133379][ T4363] [ 83.133379][ T4363] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 83.143366][ T4363] validate_chain+0x1649/0x5930 [ 83.148760][ T4363] __lock_acquire+0x1295/0x1ff0 [ 83.154162][ T4363] lock_acquire+0x1db/0x4f0 [ 83.159198][ T4363] __flush_work+0xeb/0x1a0 [ 83.164149][ T4363] __cancel_work_timer+0x519/0x6a0 [ 83.169797][ T4363] hci_request_cancel_all+0xcb/0x300 [ 83.175617][ T4363] hci_dev_do_close+0x51/0x1070 [ 83.181005][ T4363] hci_rfkill_set_block+0x114/0x1a0 [ 83.186742][ T4363] rfkill_set_block+0x1e7/0x430 [ 83.192129][ T4363] rfkill_fop_write+0x5b7/0x790 [ 83.197514][ T4363] vfs_write+0x30c/0xe50 [ 83.202297][ T4363] ksys_write+0x1a2/0x2c0 [ 83.207163][ T4363] do_syscall_64+0x3b/0xb0 [ 83.212117][ T4363] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.218547][ T4363] [ 83.218547][ T4363] other info that might help us debug this: [ 83.218547][ T4363] [ 83.228786][ T4363] Chain exists of: [ 83.228786][ T4363] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 83.228786][ T4363] [ 83.244799][ T4363] Possible unsafe locking scenario: [ 83.244799][ T4363] [ 83.252259][ T4363] CPU0 CPU1 [ 83.257631][ T4363] ---- ---- [ 83.263006][ T4363] lock(rfkill_global_mutex); [ 83.267800][ T4363] lock(&data->open_mutex); [ 83.274926][ T4363] lock(rfkill_global_mutex); [ 83.282231][ T4363] lock((work_completion)(&hdev->bg_scan_update)); [ 83.288836][ T4363] [ 83.288836][ T4363] *** DEADLOCK *** [ 83.288836][ T4363] [ 83.296989][ T4363] 1 lock held by syz.0.16/4363: [ 83.301873][ T4363] #0: ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 83.312006][ T4363] [ 83.312006][ T4363] stack backtrace: [ 83.317919][ T4363] CPU: 1 PID: 4363 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 83.325919][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 83.336126][ T4363] Call Trace: [ 83.339417][ T4363] [ 83.342358][ T4363] dump_stack_lvl+0x1e3/0x2d0 [ 83.347059][ T4363] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 83.352720][ T4363] ? print_circular_bug+0x12b/0x1a0 [ 83.357941][ T4363] check_noncircular+0x2f8/0x3b0 [ 83.362902][ T4363] ? add_chain_block+0x850/0x850 [ 83.367865][ T4363] ? lockdep_lock+0x11f/0x2a0 [ 83.372572][ T4363] validate_chain+0x1649/0x5930 [ 83.377457][ T4363] ? reacquire_held_locks+0x660/0x660 [ 83.382845][ T4363] ? mark_lock+0x98/0x340 [ 83.387195][ T4363] ? look_up_lock_class+0x77/0x120 [ 83.392328][ T4363] ? register_lock_class+0x100/0x9a0 [ 83.397648][ T4363] ? mark_lock+0x98/0x340 [ 83.401996][ T4363] ? is_dynamic_key+0x1f0/0x1f0 [ 83.406868][ T4363] ? __lock_acquire+0x1295/0x1ff0 [ 83.411927][ T4363] ? mark_lock+0x98/0x340 [ 83.416282][ T4363] __lock_acquire+0x1295/0x1ff0 [ 83.421163][ T4363] lock_acquire+0x1db/0x4f0 [ 83.425684][ T4363] ? __flush_work+0xcf/0x1a0 [ 83.430291][ T4363] ? rcu_lock_release+0x5/0x20 [ 83.435075][ T4363] ? read_lock_is_recursive+0x10/0x10 [ 83.440906][ T4363] ? start_flush_work+0x776/0x820 [ 83.445952][ T4363] __flush_work+0xeb/0x1a0 [ 83.450388][ T4363] ? __flush_work+0xcf/0x1a0 [ 83.454993][ T4363] ? flush_work+0x20/0x20 [ 83.459348][ T4363] ? print_irqtrace_events+0x210/0x210 [ 83.464860][ T4363] ? lock_timer_base+0x260/0x260 [ 83.469829][ T4363] ? __cancel_work_timer+0x467/0x6a0 [ 83.475135][ T4363] __cancel_work_timer+0x519/0x6a0 [ 83.480270][ T4363] ? cancel_work_sync+0x20/0x20 [ 83.485139][ T4363] ? lockdep_hardirqs_on+0x94/0x130 [ 83.490359][ T4363] ? __cancel_work+0x2ef/0x380 [ 83.495140][ T4363] ? cancel_work+0x20/0x20 [ 83.499571][ T4363] ? print_irqtrace_events+0x210/0x210 [ 83.505046][ T4363] hci_request_cancel_all+0xcb/0x300 [ 83.510349][ T4363] hci_dev_do_close+0x51/0x1070 [ 83.515240][ T4363] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 83.521155][ T4363] ? _raw_spin_unlock+0x40/0x40 [ 83.526024][ T4363] ? kmem_cache_alloc_trace+0x143/0x290 [ 83.531592][ T4363] hci_rfkill_set_block+0x114/0x1a0 [ 83.536811][ T4363] ? rcu_lock_release+0x20/0x20 [ 83.541688][ T4363] rfkill_set_block+0x1e7/0x430 [ 83.546565][ T4363] rfkill_fop_write+0x5b7/0x790 [ 83.551494][ T4363] ? mark_lock+0x98/0x340 [ 83.555842][ T4363] ? rfkill_fop_read+0x470/0x470 [ 83.560811][ T4363] ? fsnotify_perm+0x64/0x590 [ 83.565513][ T4363] ? security_file_permission+0x75/0xa0 [ 83.571082][ T4363] ? rfkill_fop_read+0x470/0x470 [ 83.576040][ T4363] vfs_write+0x30c/0xe50 [ 83.580309][ T4363] ? file_end_write+0x250/0x250 [ 83.585182][ T4363] ? read_lock_is_recursive+0x10/0x10 [ 83.590581][ T4363] ? __context_tracking_exit+0x4c/0x80 [ 83.596067][ T4363] ? __lock_acquire+0x1ff0/0x1ff0 [ 83.601118][ T4363] ? __fdget_pos+0x1e9/0x380 [ 83.605735][ T4363] ksys_write+0x1a2/0x2c0 [ 83.610093][ T4363] ? print_irqtrace_events+0x210/0x210 [ 83.615574][ T4363] ? __ia32_sys_read+0x80/0x80 [ 83.620362][ T4363] ? syscall_enter_from_user_mode+0x2e/0x240 [ 83.626363][ T4363] ? lockdep_hardirqs_on+0x94/0x130 [ 83.631608][ T4363] ? syscall_enter_from_user_mode+0x2e/0x240 [ 83.637619][ T4363] do_syscall_64+0x3b/0xb0 [ 83.642055][ T4363] ? clear_bhb_loop+0x15/0x70 [ 83.646750][ T4363] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.652668][ T4363] RIP: 0033:0x7f6cdcdcf169 [ 83.657102][ T4363] 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 [ 83.676722][ T4363] RSP: 002b:00007ffd44ab0928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.685161][ T4363] RAX: ffffffffffffffda RBX: 00007f6cdcfe7fa0 RCX: 00007f6cdcdcf169 [ 83.693154][ T4363] RDX: 0000000000000008 RSI: 0000400000000080 RDI: 0000000000000003 [ 83.701142][ T4363] RBP: 00007f6cdce502a0 R08: 0000000000000000 R09: 0000000000000000 [ 83.709132][ T4363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 83.717123][ T4363] R13: 00007f6cdcfe7fa0 R14: 00007f6cdcfe7fa0 R15: 0000000000000003 [ 83.725122][ T4363] [ 83.733358][ T4337] Bluetooth: hci0: command 0x041b tx timeout