Warning: Permanently added '10.128.0.157' (ED25519) to the list of known hosts. 2025/03/24 23:23:44 ignoring optional flag "sandboxArg"="0" 2025/03/24 23:23:45 parsed 1 programs [ 58.227277][ T4169] cgroup: Unknown subsys name 'net' [ 58.390530][ T4169] cgroup: Unknown subsys name 'rlimit' [ 59.866638][ T4169] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 62.665935][ T4212] chnl_net:caif_netlink_parms(): no params data found [ 62.728871][ T4212] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.736627][ T4212] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.745361][ T4212] device bridge_slave_0 entered promiscuous mode [ 62.755208][ T4212] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.762317][ T4212] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.770707][ T4212] device bridge_slave_1 entered promiscuous mode [ 62.798861][ T4212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.810282][ T4212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.840143][ T4212] team0: Port device team_slave_0 added [ 62.848912][ T4212] team0: Port device team_slave_1 added [ 62.872999][ T4212] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.880092][ T4212] 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. [ 62.906035][ T4212] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.919027][ T4212] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.926034][ T4212] 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. [ 62.951998][ T4212] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.990766][ T4212] device hsr_slave_0 entered promiscuous mode [ 62.998699][ T4212] device hsr_slave_1 entered promiscuous mode [ 63.126891][ T4212] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.138275][ T4212] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.148068][ T4212] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.158279][ T4212] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.181690][ T4212] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.188900][ T4212] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.196892][ T4212] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.203969][ T4212] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.266866][ T4212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.283712][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.331574][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.343767][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.381549][ T4212] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.392129][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.400689][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.407767][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.425894][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.435195][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.442254][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.453485][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.463641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.476711][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.487703][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.499233][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.510404][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.582796][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.590928][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.604278][ T4212] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.621301][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.630889][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.665460][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.675941][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.685232][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.692893][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.705486][ T4212] device veth0_vlan entered promiscuous mode [ 63.733110][ T4212] device veth1_vlan entered promiscuous mode [ 63.752967][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.761301][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.770688][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.779492][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.790330][ T4212] device veth0_macvtap entered promiscuous mode [ 63.813057][ T4212] device veth1_macvtap entered promiscuous mode [ 63.828235][ T4212] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.836096][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.844307][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.852181][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.861082][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.889374][ T4212] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.897644][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.906666][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.918041][ T4212] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.927123][ T4212] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.936095][ T4212] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.945267][ T4212] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.050585][ T4212] syz-executor (4212) used greatest stack depth: 18744 bytes left [ 64.126183][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.134716][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.145422][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.178334][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.186439][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.195594][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/03/24 23:23:54 executed programs: 0 [ 65.717157][ T4259] chnl_net:caif_netlink_parms(): no params data found [ 65.777590][ T4259] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.785554][ T4259] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.793884][ T4259] device bridge_slave_0 entered promiscuous mode [ 65.802978][ T4259] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.810420][ T4259] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.818207][ T4259] device bridge_slave_1 entered promiscuous mode [ 65.840909][ T4259] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.853194][ T4259] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.879499][ T4259] team0: Port device team_slave_0 added [ 65.886600][ T4259] team0: Port device team_slave_1 added [ 65.907886][ T4259] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.914968][ T4259] 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. [ 65.941388][ T4259] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.955043][ T4259] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.962051][ T4259] 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. [ 65.988505][ T4259] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.007447][ T1238] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.039484][ T4259] device hsr_slave_0 entered promiscuous mode [ 66.046427][ T4259] device hsr_slave_1 entered promiscuous mode [ 66.053058][ T4259] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.061120][ T4259] Cannot create hsr debugfs directory [ 67.625193][ T4228] Bluetooth: hci0: command 0x0409 tx timeout [ 68.901455][ T1238] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.969207][ T1238] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.040032][ T1238] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.704163][ T4276] Bluetooth: hci0: command 0x041b tx timeout [ 69.977699][ T4259] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.989770][ T4259] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.998832][ T4259] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.022567][ T4259] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.089994][ T4259] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.102482][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.110689][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.121685][ T4259] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.144976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.153600][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.162923][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.170042][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.178053][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.189778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.198982][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.208122][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.215222][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.243917][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.256119][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.268495][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.278368][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.287335][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.301309][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.310104][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.327505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.336950][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.349431][ T4259] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.360716][ T4259] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.378202][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.387130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.449039][ T1238] device hsr_slave_0 left promiscuous mode [ 70.457513][ T1238] device hsr_slave_1 left promiscuous mode [ 70.466866][ T1238] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 70.474732][ T1238] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 70.482663][ T1238] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 70.490403][ T1238] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 70.498268][ T1238] device bridge_slave_1 left promiscuous mode [ 70.505206][ T1238] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.518902][ T1238] device bridge_slave_0 left promiscuous mode [ 70.525218][ T1238] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.542729][ T1238] device veth1_macvtap left promiscuous mode [ 70.549219][ T1238] device veth0_macvtap left promiscuous mode [ 70.555362][ T1238] device veth1_vlan left promiscuous mode [ 70.561227][ T1238] device veth0_vlan left promiscuous mode [ 70.717630][ T1238] team0 (unregistering): Port device team_slave_1 removed [ 70.731067][ T1238] team0 (unregistering): Port device team_slave_0 removed [ 70.743709][ T1238] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.759144][ T1238] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.820374][ T1238] bond0 (unregistering): Released all slaves [ 70.897868][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.905627][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.917917][ T4259] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.948729][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.958558][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.970274][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.978571][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.987649][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.001488][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.011333][ T4259] device veth0_vlan entered promiscuous mode [ 71.021885][ T4259] device veth1_vlan entered promiscuous mode [ 71.050034][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.059579][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.068118][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.076925][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.086745][ T4259] device veth0_macvtap entered promiscuous mode [ 71.097200][ T4259] device veth1_macvtap entered promiscuous mode [ 71.112620][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.126256][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.136483][ T4259] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.143831][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.156039][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.156623][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.162510][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.184581][ T4259] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.192883][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.201837][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.212763][ T4259] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.222179][ T4259] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.231924][ T4259] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.240734][ T4259] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.300344][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.322847][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.331679][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.336993][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.344509][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.357447][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.427842][ T4307] [ 71.430189][ T4307] ====================================================== [ 71.437196][ T4307] WARNING: possible circular locking dependency detected [ 71.444206][ T4307] 5.15.179-syzkaller #0 Not tainted [ 71.449394][ T4307] ------------------------------------------------------ [ 71.456402][ T4307] syz.0.16/4307 is trying to acquire lock: [ 71.462200][ T4307] ffff888073c84c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 71.473270][ T4307] [ 71.473270][ T4307] but task is already holding lock: [ 71.480630][ T4307] ffffffff8ded1648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 71.490296][ T4307] [ 71.490296][ T4307] which lock already depends on the new lock. [ 71.490296][ T4307] [ 71.500697][ T4307] [ 71.500697][ T4307] the existing dependency chain (in reverse order) is: [ 71.509701][ T4307] [ 71.509701][ T4307] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 71.517701][ T4307] lock_acquire+0x1db/0x4f0 [ 71.522745][ T4307] __mutex_lock_common+0x1da/0x25a0 [ 71.528503][ T4307] mutex_lock_nested+0x17/0x20 [ 71.533795][ T4307] rfkill_register+0x30/0x880 [ 71.538992][ T4307] hci_register_dev+0x4dd/0xa50 [ 71.544366][ T4307] vhci_create_device+0x310/0x590 [ 71.549917][ T4307] vhci_write+0x382/0x430 [ 71.554766][ T4307] vfs_write+0xacd/0xe50 [ 71.559530][ T4307] ksys_write+0x1a2/0x2c0 [ 71.564403][ T4307] do_syscall_64+0x3b/0xb0 [ 71.569343][ T4307] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.575759][ T4307] [ 71.575759][ T4307] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 71.583574][ T4307] lock_acquire+0x1db/0x4f0 [ 71.588597][ T4307] __mutex_lock_common+0x1da/0x25a0 [ 71.594316][ T4307] mutex_lock_nested+0x17/0x20 [ 71.599604][ T4307] vhci_send_frame+0x8a/0xf0 [ 71.604713][ T4307] hci_send_frame+0x1af/0x2f0 [ 71.609913][ T4307] hci_tx_work+0xb2e/0x1a30 [ 71.614936][ T4307] process_one_work+0x8a1/0x10c0 [ 71.620401][ T4307] worker_thread+0xaca/0x1280 [ 71.625599][ T4307] kthread+0x3f6/0x4f0 [ 71.630191][ T4307] ret_from_fork+0x1f/0x30 [ 71.635135][ T4307] [ 71.635135][ T4307] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 71.644353][ T4307] lock_acquire+0x1db/0x4f0 [ 71.649376][ T4307] __flush_work+0xeb/0x1a0 [ 71.654313][ T4307] hci_dev_do_close+0x20a/0x1070 [ 71.659772][ T4307] hci_unregister_dev+0x2d7/0x580 [ 71.665315][ T4307] vhci_release+0x73/0xc0 [ 71.670163][ T4307] __fput+0x3fe/0x8e0 [ 71.674657][ T4307] task_work_run+0x129/0x1a0 [ 71.679772][ T4307] do_exit+0x6a3/0x2480 [ 71.684447][ T4307] do_group_exit+0x144/0x310 [ 71.689610][ T4307] get_signal+0xc66/0x14e0 [ 71.694568][ T4307] arch_do_signal_or_restart+0xc3/0x1890 [ 71.700727][ T4307] exit_to_user_mode_loop+0x97/0x130 [ 71.706537][ T4307] exit_to_user_mode_prepare+0xb1/0x140 [ 71.712606][ T4307] syscall_exit_to_user_mode+0x5d/0x240 [ 71.718672][ T4307] do_syscall_64+0x47/0xb0 [ 71.723612][ T4307] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.730027][ T4307] [ 71.730027][ T4307] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 71.737686][ T4307] lock_acquire+0x1db/0x4f0 [ 71.742704][ T4307] __mutex_lock_common+0x1da/0x25a0 [ 71.748414][ T4307] mutex_lock_nested+0x17/0x20 [ 71.753689][ T4307] bg_scan_update+0xa1/0x4a0 [ 71.758786][ T4307] process_one_work+0x8a1/0x10c0 [ 71.764234][ T4307] worker_thread+0xaca/0x1280 [ 71.769421][ T4307] kthread+0x3f6/0x4f0 [ 71.773998][ T4307] ret_from_fork+0x1f/0x30 [ 71.778926][ T4307] [ 71.778926][ T4307] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 71.788733][ T4307] validate_chain+0x1649/0x5930 [ 71.794096][ T4307] __lock_acquire+0x1295/0x1ff0 [ 71.799457][ T4307] lock_acquire+0x1db/0x4f0 [ 71.804466][ T4307] __flush_work+0xeb/0x1a0 [ 71.809393][ T4307] __cancel_work_timer+0x519/0x6a0 [ 71.815015][ T4307] hci_request_cancel_all+0xcb/0x300 [ 71.820809][ T4307] hci_dev_do_close+0x51/0x1070 [ 71.826168][ T4307] hci_rfkill_set_block+0x114/0x1a0 [ 71.831878][ T4307] rfkill_set_block+0x1e7/0x430 [ 71.837256][ T4307] rfkill_fop_write+0x5b7/0x790 [ 71.842619][ T4307] vfs_write+0x30c/0xe50 [ 71.847372][ T4307] ksys_write+0x1a2/0x2c0 [ 71.852211][ T4307] do_syscall_64+0x3b/0xb0 [ 71.857138][ T4307] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.863552][ T4307] [ 71.863552][ T4307] other info that might help us debug this: [ 71.863552][ T4307] [ 71.873774][ T4307] Chain exists of: [ 71.873774][ T4307] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 71.873774][ T4307] [ 71.889512][ T4307] Possible unsafe locking scenario: [ 71.889512][ T4307] [ 71.896963][ T4307] CPU0 CPU1 [ 71.902316][ T4307] ---- ---- [ 71.907662][ T4307] lock(rfkill_global_mutex); [ 71.912412][ T4307] lock(&data->open_mutex); [ 71.919524][ T4307] lock(rfkill_global_mutex); [ 71.926798][ T4307] lock((work_completion)(&hdev->bg_scan_update)); [ 71.933395][ T4307] [ 71.933395][ T4307] *** DEADLOCK *** [ 71.933395][ T4307] [ 71.941528][ T4307] 1 lock held by syz.0.16/4307: [ 71.946384][ T4307] #0: ffffffff8ded1648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 71.956479][ T4307] [ 71.956479][ T4307] stack backtrace: [ 71.962375][ T4307] CPU: 0 PID: 4307 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 [ 71.970578][ T4307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 71.980664][ T4307] Call Trace: [ 71.983953][ T4307] [ 71.986872][ T4307] dump_stack_lvl+0x1e3/0x2d0 [ 71.991547][ T4307] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 71.997270][ T4307] ? print_circular_bug+0x12b/0x1a0 [ 72.002469][ T4307] check_noncircular+0x2f8/0x3b0 [ 72.007416][ T4307] ? add_chain_block+0x850/0x850 [ 72.012352][ T4307] ? lockdep_lock+0x11f/0x2a0 [ 72.017030][ T4307] validate_chain+0x1649/0x5930 [ 72.021885][ T4307] ? validate_chain+0x112/0x5930 [ 72.026813][ T4307] ? reacquire_held_locks+0x660/0x660 [ 72.032284][ T4307] ? mark_lock+0x98/0x340 [ 72.036618][ T4307] ? look_up_lock_class+0x77/0x120 [ 72.041750][ T4307] ? register_lock_class+0x100/0x9a0 [ 72.047027][ T4307] ? mark_lock+0x98/0x340 [ 72.051358][ T4307] ? is_dynamic_key+0x1f0/0x1f0 [ 72.056193][ T4307] ? __lock_acquire+0x1295/0x1ff0 [ 72.061208][ T4307] ? mark_lock+0x98/0x340 [ 72.065556][ T4307] __lock_acquire+0x1295/0x1ff0 [ 72.070418][ T4307] lock_acquire+0x1db/0x4f0 [ 72.074916][ T4307] ? __flush_work+0xcf/0x1a0 [ 72.079499][ T4307] ? rcu_lock_release+0x5/0x20 [ 72.084262][ T4307] ? read_lock_is_recursive+0x10/0x10 [ 72.089633][ T4307] ? start_flush_work+0x776/0x820 [ 72.094655][ T4307] __flush_work+0xeb/0x1a0 [ 72.099065][ T4307] ? __flush_work+0xcf/0x1a0 [ 72.103647][ T4307] ? flush_work+0x20/0x20 [ 72.107974][ T4307] ? print_irqtrace_events+0x210/0x210 [ 72.113426][ T4307] ? lock_timer_base+0x260/0x260 [ 72.118359][ T4307] ? __cancel_work_timer+0x467/0x6a0 [ 72.123639][ T4307] __cancel_work_timer+0x519/0x6a0 [ 72.128831][ T4307] ? cancel_work_sync+0x20/0x20 [ 72.133673][ T4307] ? lockdep_hardirqs_on+0x94/0x130 [ 72.138858][ T4307] ? __cancel_work+0x2ef/0x380 [ 72.143612][ T4307] ? cancel_work+0x20/0x20 [ 72.148013][ T4307] ? print_irqtrace_events+0x210/0x210 [ 72.153459][ T4307] hci_request_cancel_all+0xcb/0x300 [ 72.158734][ T4307] hci_dev_do_close+0x51/0x1070 [ 72.163571][ T4307] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 72.169451][ T4307] ? _raw_spin_unlock+0x40/0x40 [ 72.174292][ T4307] hci_rfkill_set_block+0x114/0x1a0 [ 72.179483][ T4307] ? rcu_lock_release+0x20/0x20 [ 72.184324][ T4307] rfkill_set_block+0x1e7/0x430 [ 72.189166][ T4307] rfkill_fop_write+0x5b7/0x790 [ 72.194009][ T4307] ? mark_lock+0x98/0x340 [ 72.198332][ T4307] ? rfkill_fop_read+0x470/0x470 [ 72.203258][ T4307] ? fsnotify_perm+0x64/0x590 [ 72.207922][ T4307] ? security_file_permission+0x75/0xa0 [ 72.213456][ T4307] ? rfkill_fop_read+0x470/0x470 [ 72.218384][ T4307] vfs_write+0x30c/0xe50 [ 72.222618][ T4307] ? file_end_write+0x250/0x250 [ 72.227468][ T4307] ? read_lock_is_recursive+0x10/0x10 [ 72.232836][ T4307] ? __context_tracking_exit+0x4c/0x80 [ 72.238281][ T4307] ? __lock_acquire+0x1ff0/0x1ff0 [ 72.243298][ T4307] ? __fdget_pos+0x1e9/0x380 [ 72.247886][ T4307] ksys_write+0x1a2/0x2c0 [ 72.252205][ T4307] ? print_irqtrace_events+0x210/0x210 [ 72.257650][ T4307] ? __ia32_sys_read+0x80/0x80 [ 72.262419][ T4307] ? syscall_enter_from_user_mode+0x2e/0x240 [ 72.268402][ T4307] ? lockdep_hardirqs_on+0x94/0x130 [ 72.273594][ T4307] ? syscall_enter_from_user_mode+0x2e/0x240 [ 72.279577][ T4307] do_syscall_64+0x3b/0xb0 [ 72.283985][ T4307] ? clear_bhb_loop+0x15/0x70 [ 72.288652][ T4307] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.294539][ T4307] RIP: 0033:0x7f3e02075169 [ 72.298944][ T4307] 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 [ 72.318530][ T4307] RSP: 002b:00007ffd02008508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.326929][ T4307] RAX: ffffffffffffffda RBX: 00007f3e0228dfa0 RCX: 00007f3e02075169 [ 72.334891][ T4307] RDX: 0000000000000008 RSI: 0000200000000300 RDI: 0000000000000003 [ 72.342848][ T4307] RBP: 00007f3e020f62a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.350803][ T4307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.358758][ T4307] R13: 00007f3e0228dfa0 R14: 00007f3e0228dfa0 R15: 0000000000000003 [ 72.366720][ T4307] [ 72.373340][ T4279] Bluetooth: hci0: command 0x040f tx timeout