Warning: Permanently added '10.128.0.211' (ED25519) to the list of known hosts. 2025/08/13 06:22:28 ignoring optional flag "sandboxArg"="0" 2025/08/13 06:22:29 parsed 1 programs [ 54.278154][ T4190] cgroup: Unknown subsys name 'net' [ 54.411052][ T4190] cgroup: Unknown subsys name 'rlimit' [ 55.599350][ T4190] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.666421][ T542] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.674385][ T542] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.708201][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.725534][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.734849][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.745563][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.888710][ T4246] chnl_net:caif_netlink_parms(): no params data found [ 58.946853][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.954754][ T4246] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.965424][ T4246] device bridge_slave_0 entered promiscuous mode [ 58.976000][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.985275][ T4246] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.993972][ T4246] device bridge_slave_1 entered promiscuous mode [ 59.025839][ T4246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.036521][ T4246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.058244][ T4246] team0: Port device team_slave_0 added [ 59.065407][ T4246] team0: Port device team_slave_1 added [ 59.090201][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.097403][ T4246] 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. [ 59.124734][ T4246] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.137699][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.144766][ T4246] 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. [ 59.171048][ T4246] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.289868][ T4246] device hsr_slave_0 entered promiscuous mode [ 59.302471][ T4246] device hsr_slave_1 entered promiscuous mode [ 59.398291][ T4246] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.409291][ T4246] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.418032][ T4246] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.428302][ T4246] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.454468][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.462096][ T4246] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.469947][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.477162][ T4246] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.511781][ T4246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.524299][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.535194][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.543640][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.556104][ T4246] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.567438][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.576259][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.583523][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.593973][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.603100][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.610371][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.627966][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.636988][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.650000][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.660176][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.671880][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.683819][ T4246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.779117][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.787359][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.799646][ T4246] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.831884][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.841030][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.855974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.864837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.874912][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.883215][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.893887][ T4246] device veth0_vlan entered promiscuous mode [ 59.923150][ T4246] device veth1_vlan entered promiscuous mode [ 59.946285][ T4246] device veth0_macvtap entered promiscuous mode [ 59.958071][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.968419][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.978157][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.986974][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.995675][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.022296][ T4246] device veth1_macvtap entered promiscuous mode [ 60.035432][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.043592][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.054148][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.063029][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.074854][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.085192][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.094018][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.114369][ T4246] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.123857][ T4246] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.133091][ T4246] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.142390][ T4246] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/08/13 06:22:36 executed programs: 0 [ 60.976152][ T4297] chnl_net:caif_netlink_parms(): no params data found [ 61.049506][ T4297] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.060051][ T4297] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.068858][ T4297] device bridge_slave_0 entered promiscuous mode [ 61.081997][ T4297] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.089196][ T4297] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.100009][ T4297] device bridge_slave_1 entered promiscuous mode [ 61.131498][ T4297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.145062][ T4297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.185238][ T4297] team0: Port device team_slave_0 added [ 61.193933][ T4297] team0: Port device team_slave_1 added [ 61.230500][ T4297] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.237630][ T4297] 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. [ 61.264353][ T4297] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.277068][ T4297] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.284328][ T4297] 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. [ 61.311916][ T4297] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.354375][ T4297] device hsr_slave_0 entered promiscuous mode [ 61.361325][ T4297] device hsr_slave_1 entered promiscuous mode [ 61.369679][ T4297] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.378176][ T4297] Cannot create hsr debugfs directory [ 61.482671][ T4297] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.709462][ T3063] ODEBUG: Out of memory. ODEBUG disabled [ 62.897286][ T4253] Bluetooth: hci0: command 0x0409 tx timeout [ 64.371174][ T4297] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.986357][ T4249] Bluetooth: hci0: command 0x041b tx timeout [ 65.250750][ T4297] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.340486][ T4297] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.548696][ T4297] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.558842][ T4297] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.575840][ T4297] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.584534][ T4297] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.633927][ T4297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.644197][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.652413][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.673341][ T4297] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.682475][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.691314][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.700693][ T542] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.708070][ T542] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.719350][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.727768][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.736702][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.745442][ T542] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.752675][ T542] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.765558][ T3063] device hsr_slave_0 left promiscuous mode [ 65.772546][ T3063] device hsr_slave_1 left promiscuous mode [ 65.779206][ T3063] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 65.788771][ T3063] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 65.797687][ T3063] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 65.805231][ T3063] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 65.813323][ T3063] device bridge_slave_1 left promiscuous mode [ 65.820694][ T3063] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.832108][ T3063] device bridge_slave_0 left promiscuous mode [ 65.839297][ T3063] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.854145][ T3063] device veth1_macvtap left promiscuous mode [ 65.860627][ T3063] device veth0_macvtap left promiscuous mode [ 65.866752][ T3063] device veth1_vlan left promiscuous mode [ 65.872811][ T3063] device veth0_vlan left promiscuous mode [ 65.973535][ T3063] team0 (unregistering): Port device team_slave_1 removed [ 65.988045][ T3063] team0 (unregistering): Port device team_slave_0 removed [ 66.000939][ T3063] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.012668][ T3063] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.054502][ T3063] bond0 (unregistering): Released all slaves [ 66.108125][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.117213][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.127835][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.137498][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.145898][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.154778][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.163660][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.172397][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.180994][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.192838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.201520][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.212865][ T4297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.306450][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.313909][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.326542][ T4297] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.349160][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.359200][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.374406][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.382951][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.391433][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.399361][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.409740][ T4297] device veth0_vlan entered promiscuous mode [ 66.421802][ T4297] device veth1_vlan entered promiscuous mode [ 66.437344][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.445431][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.453641][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.462323][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.479158][ T4297] device veth0_macvtap entered promiscuous mode [ 66.490818][ T4297] device veth1_macvtap entered promiscuous mode [ 66.512585][ T4297] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.521229][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.530845][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.539594][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.549465][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.561361][ T4297] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.569877][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.579668][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.591384][ T4297] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.601769][ T4297] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.611090][ T4297] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.622543][ T4297] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.687589][ T542] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.695966][ T542] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.717919][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.731123][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.741312][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.750626][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.858132][ T4316] [ 66.860531][ T4316] ====================================================== [ 66.867652][ T4316] WARNING: possible circular locking dependency detected [ 66.874774][ T4316] 5.15.189-syzkaller #0 Not tainted [ 66.880147][ T4316] ------------------------------------------------------ [ 66.887166][ T4316] syz.0.17/4316 is trying to acquire lock: [ 66.892977][ T4316] ffff88807c940c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 66.904040][ T4316] [ 66.904040][ T4316] but task is already holding lock: [ 66.911931][ T4316] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 66.921720][ T4316] [ 66.921720][ T4316] which lock already depends on the new lock. [ 66.921720][ T4316] [ 66.932312][ T4316] [ 66.932312][ T4316] the existing dependency chain (in reverse order) is: [ 66.942050][ T4316] [ 66.942050][ T4316] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.950320][ T4316] __mutex_lock_common+0x1eb/0x2390 [ 66.956227][ T4316] mutex_lock_nested+0x17/0x20 [ 66.962531][ T4316] rfkill_register+0x33/0x8a0 [ 66.968228][ T4316] hci_register_dev+0x452/0x970 [ 66.973713][ T4316] vhci_create_device+0x32c/0x5c0 [ 66.979802][ T4316] vhci_write+0x391/0x450 [ 66.984673][ T4316] vfs_write+0x712/0xd00 [ 66.989534][ T4316] ksys_write+0x14d/0x250 [ 66.994571][ T4316] do_syscall_64+0x4c/0xa0 [ 66.999616][ T4316] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.006046][ T4316] [ 67.006046][ T4316] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.013900][ T4316] __mutex_lock_common+0x1eb/0x2390 [ 67.019797][ T4316] mutex_lock_nested+0x17/0x20 [ 67.025255][ T4316] vhci_send_frame+0x88/0x100 [ 67.030466][ T4316] hci_send_frame+0x1a9/0x2e0 [ 67.035658][ T4316] hci_tx_work+0x9f9/0x1710 [ 67.040797][ T4316] process_one_work+0x863/0x1000 [ 67.046268][ T4316] worker_thread+0xaa8/0x12a0 [ 67.051558][ T4316] kthread+0x436/0x520 [ 67.056142][ T4316] ret_from_fork+0x1f/0x30 [ 67.061166][ T4316] [ 67.061166][ T4316] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.070545][ T4316] __flush_work+0xdd/0x1b0 [ 67.075483][ T4316] hci_dev_do_close+0x1e7/0x1030 [ 67.081145][ T4316] hci_unregister_dev+0x2d7/0x580 [ 67.086956][ T4316] vhci_release+0x73/0xc0 [ 67.091979][ T4316] __fput+0x234/0x930 [ 67.096586][ T4316] task_work_run+0x125/0x1a0 [ 67.101970][ T4316] do_exit+0x61e/0x20a0 [ 67.106754][ T4316] do_group_exit+0x12e/0x300 [ 67.111862][ T4316] get_signal+0x6ca/0x12c0 [ 67.116795][ T4316] arch_do_signal_or_restart+0xc1/0x1300 [ 67.122943][ T4316] exit_to_user_mode_loop+0x9e/0x130 [ 67.128752][ T4316] exit_to_user_mode_prepare+0xb1/0x140 [ 67.134810][ T4316] syscall_exit_to_user_mode+0x16/0x40 [ 67.141040][ T4316] do_syscall_64+0x58/0xa0 [ 67.146064][ T4316] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.152568][ T4316] [ 67.152568][ T4316] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.160544][ T4316] __mutex_lock_common+0x1eb/0x2390 [ 67.166379][ T4316] mutex_lock_nested+0x17/0x20 [ 67.171702][ T4316] bg_scan_update+0x44/0x3b0 [ 67.177004][ T4316] process_one_work+0x863/0x1000 [ 67.182546][ T4316] worker_thread+0xaa8/0x12a0 [ 67.187735][ T4316] kthread+0x436/0x520 [ 67.192516][ T4316] ret_from_fork+0x1f/0x30 [ 67.197458][ T4316] [ 67.197458][ T4316] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.207653][ T4316] __lock_acquire+0x2c33/0x7c60 [ 67.213133][ T4316] lock_acquire+0x197/0x3f0 [ 67.218323][ T4316] __flush_work+0xdd/0x1b0 [ 67.223420][ T4316] __cancel_work_timer+0x3ac/0x520 [ 67.229070][ T4316] hci_request_cancel_all+0xcc/0x300 [ 67.234965][ T4316] hci_dev_do_close+0x4e/0x1030 [ 67.240531][ T4316] hci_rfkill_set_block+0x10a/0x190 [ 67.246339][ T4316] rfkill_set_block+0x1c6/0x420 [ 67.251822][ T4316] rfkill_fop_write+0x458/0x560 [ 67.257187][ T4316] vfs_write+0x300/0xd00 [ 67.262041][ T4316] ksys_write+0x14d/0x250 [ 67.267058][ T4316] do_syscall_64+0x4c/0xa0 [ 67.272111][ T4316] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.278522][ T4316] [ 67.278522][ T4316] other info that might help us debug this: [ 67.278522][ T4316] [ 67.289019][ T4316] Chain exists of: [ 67.289019][ T4316] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.289019][ T4316] [ 67.304998][ T4316] Possible unsafe locking scenario: [ 67.304998][ T4316] [ 67.312613][ T4316] CPU0 CPU1 [ 67.317986][ T4316] ---- ---- [ 67.323514][ T4316] lock(rfkill_global_mutex); [ 67.328297][ T4316] lock(&data->open_mutex); [ 67.335522][ T4316] lock(rfkill_global_mutex); [ 67.342909][ T4316] lock((work_completion)(&hdev->bg_scan_update)); [ 67.350156][ T4316] [ 67.350156][ T4316] *** DEADLOCK *** [ 67.350156][ T4316] [ 67.358310][ T4316] 1 lock held by syz.0.17/4316: [ 67.363187][ T4316] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 67.373830][ T4316] [ 67.373830][ T4316] stack backtrace: [ 67.379872][ T4316] CPU: 0 PID: 4316 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 67.387876][ T4316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 67.398056][ T4316] Call Trace: [ 67.401331][ T4316] [ 67.404271][ T4316] dump_stack_lvl+0x168/0x230 [ 67.409037][ T4316] ? load_image+0x3b0/0x3b0 [ 67.413666][ T4316] ? show_regs_print_info+0x20/0x20 [ 67.419034][ T4316] ? print_circular_bug+0x12b/0x1a0 [ 67.424252][ T4316] check_noncircular+0x274/0x310 [ 67.429415][ T4316] ? add_chain_block+0x940/0x940 [ 67.434445][ T4316] ? lockdep_lock+0xdc/0x1e0 [ 67.439033][ T4316] ? __lock_acquire+0x12d9/0x7c60 [ 67.444246][ T4316] ? lockdep_lock+0x1e0/0x1e0 [ 67.448961][ T4316] ? mark_lock+0x94/0x320 [ 67.453314][ T4316] __lock_acquire+0x2c33/0x7c60 [ 67.458317][ T4316] ? rcu_lock_release+0x5/0x20 [ 67.463196][ T4316] ? verify_lock_unused+0x140/0x140 [ 67.468414][ T4316] lock_acquire+0x197/0x3f0 [ 67.473009][ T4316] ? __flush_work+0xc1/0x1b0 [ 67.477599][ T4316] ? __lock_acquire+0x7c60/0x7c60 [ 67.482970][ T4316] ? read_lock_is_recursive+0x10/0x10 [ 67.488599][ T4316] ? start_flush_work+0x776/0x820 [ 67.493708][ T4316] __flush_work+0xdd/0x1b0 [ 67.498118][ T4316] ? __flush_work+0xc1/0x1b0 [ 67.502702][ T4316] ? flush_work+0x20/0x20 [ 67.507022][ T4316] ? try_to_grab_pending+0xf3/0x7e0 [ 67.512386][ T4316] ? lockdep_hardirqs_off+0x70/0x100 [ 67.517871][ T4316] ? mark_lock+0x94/0x320 [ 67.522295][ T4316] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 67.528457][ T4316] ? lock_chain_count+0x20/0x20 [ 67.533736][ T4316] ? mark_lock+0x94/0x320 [ 67.538163][ T4316] ? __cancel_work_timer+0x331/0x520 [ 67.543558][ T4316] __cancel_work_timer+0x3ac/0x520 [ 67.548955][ T4316] ? cancel_work_sync+0x20/0x20 [ 67.553975][ T4316] ? __cancel_work+0x1f4/0x2d0 [ 67.558736][ T4316] ? lockdep_hardirqs_on+0x94/0x140 [ 67.563928][ T4316] ? __cancel_work+0x26f/0x2d0 [ 67.568769][ T4316] ? cancel_work+0x20/0x20 [ 67.573178][ T4316] ? lock_chain_count+0x20/0x20 [ 67.578111][ T4316] hci_request_cancel_all+0xcc/0x300 [ 67.583480][ T4316] hci_dev_do_close+0x4e/0x1030 [ 67.588416][ T4316] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 67.594391][ T4316] ? _raw_spin_unlock+0x40/0x40 [ 67.599410][ T4316] hci_rfkill_set_block+0x10a/0x190 [ 67.604612][ T4316] ? rcu_lock_release+0x20/0x20 [ 67.609543][ T4316] rfkill_set_block+0x1c6/0x420 [ 67.614492][ T4316] rfkill_fop_write+0x458/0x560 [ 67.619340][ T4316] ? verify_lock_unused+0x140/0x140 [ 67.624535][ T4316] ? rfkill_fop_read+0x4b0/0x4b0 [ 67.629465][ T4316] ? common_file_perm+0x150/0x1c0 [ 67.634501][ T4316] ? fsnotify_perm+0x5d/0x560 [ 67.639182][ T4316] ? security_file_permission+0x75/0xa0 [ 67.645019][ T4316] ? rfkill_fop_read+0x4b0/0x4b0 [ 67.650139][ T4316] vfs_write+0x300/0xd00 [ 67.654381][ T4316] ? file_end_write+0x250/0x250 [ 67.659314][ T4316] ? __context_tracking_exit+0x4c/0x80 [ 67.664770][ T4316] ? __lock_acquire+0x7c60/0x7c60 [ 67.670013][ T4316] ? __fdget_pos+0x1e2/0x370 [ 67.675000][ T4316] ksys_write+0x14d/0x250 [ 67.679432][ T4316] ? __ia32_sys_read+0x80/0x80 [ 67.684371][ T4316] ? lockdep_hardirqs_on+0x94/0x140 [ 67.689737][ T4316] do_syscall_64+0x4c/0xa0 [ 67.694450][ T4316] ? clear_bhb_loop+0x30/0x80 [ 67.699117][ T4316] ? clear_bhb_loop+0x30/0x80 [ 67.703895][ T4316] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.709877][ T4316] RIP: 0033:0x7f37801d1be9 [ 67.714300][ T4316] 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 [ 67.734004][ T4316] RSP: 002b:00007ffd031f0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.742605][ T4316] RAX: ffffffffffffffda RBX: 00007f37803f8fa0 RCX: 00007f37801d1be9 [ 67.751458][ T4316] RDX: 0000000000000008 RSI: 0000200000000000 RDI: 0000000000000003 [ 67.759508][ T4316] RBP: 00007f3780254e19 R08: 0000000000000000 R09: 0000000000000000 [ 67.767647][ T4316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.775613][ T4316] R13: 00007f37803f8fa0 R14: 00007f37803f8fa0 R15: 0000000000000003 [ 67.783616][ T4316] [ 67.885301][ T4249] Bluetooth: hci0: command 0x040f tx timeout