Warning: Permanently added '10.128.1.136' (ED25519) to the list of known hosts. 2025/06/01 07:43:31 ignoring optional flag "sandboxArg"="0" 2025/06/01 07:43:32 parsed 1 programs [ 72.143907][ T4175] cgroup: Unknown subsys name 'net' [ 72.260889][ T4175] cgroup: Unknown subsys name 'rlimit' [ 73.751214][ T4175] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 76.963701][ T641] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.985777][ T641] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.004212][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.025242][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.033293][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.042998][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 77.346671][ T4233] chnl_net:caif_netlink_parms(): no params data found [ 77.453243][ T4233] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.461711][ T4233] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.470844][ T4233] device bridge_slave_0 entered promiscuous mode [ 77.480179][ T4233] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.487903][ T4233] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.496021][ T4233] device bridge_slave_1 entered promiscuous mode [ 77.519472][ T4233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.531268][ T4233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.556308][ T4233] team0: Port device team_slave_0 added [ 77.564255][ T4233] team0: Port device team_slave_1 added [ 77.583988][ T4233] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.591043][ T4233] 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. [ 77.618811][ T4233] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.632327][ T4233] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.639626][ T4233] 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. [ 77.667164][ T4233] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.700299][ T4233] device hsr_slave_0 entered promiscuous mode [ 77.708337][ T4233] device hsr_slave_1 entered promiscuous mode [ 77.809243][ T4233] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.821621][ T4233] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.831237][ T4233] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.841938][ T4233] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.889479][ T4233] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.896745][ T4233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.905344][ T4233] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.912665][ T4233] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.981563][ T4233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.019079][ T641] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.028418][ T641] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.043685][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.053238][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.088441][ T4233] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.099514][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.110269][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.120249][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.127434][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.141407][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.151328][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.160396][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.168022][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.199003][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.211700][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.223402][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.232800][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.243256][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.256490][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.265932][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.303669][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.316248][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.328851][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.338039][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.372526][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.483233][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.491345][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.506785][ T4233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.543130][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.553002][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.573449][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.582375][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.593160][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.601789][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.613221][ T4233] device veth0_vlan entered promiscuous mode [ 78.637427][ T4233] device veth1_vlan entered promiscuous mode [ 78.669699][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.679103][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.687755][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.697498][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.710513][ T4233] device veth0_macvtap entered promiscuous mode [ 78.722674][ T4233] device veth1_macvtap entered promiscuous mode [ 78.771812][ T4233] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.780274][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.788798][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.797872][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.807684][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.821018][ T4233] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.829487][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.839940][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.859799][ T4233] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.869516][ T4233] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.879247][ T4233] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.890295][ T4233] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.038087][ T4233] syz-executor (4233) used greatest stack depth: 21184 bytes left 2025/06/01 07:43:43 executed programs: 0 [ 80.382880][ T4269] chnl_net:caif_netlink_parms(): no params data found [ 80.453099][ T4269] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.463733][ T4269] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.472325][ T4269] device bridge_slave_0 entered promiscuous mode [ 80.485359][ T4269] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.494683][ T4269] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.503680][ T4269] device bridge_slave_1 entered promiscuous mode [ 80.528636][ T4269] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.541446][ T4269] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.571804][ T4269] team0: Port device team_slave_0 added [ 80.586744][ T4269] team0: Port device team_slave_1 added [ 80.611834][ T4269] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.619097][ T4269] 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. [ 80.647688][ T4269] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.663909][ T4269] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.672183][ T4269] 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. [ 80.700068][ T4269] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.747768][ T1468] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.766640][ T4269] device hsr_slave_0 entered promiscuous mode [ 80.773715][ T4269] device hsr_slave_1 entered promiscuous mode [ 80.781294][ T4269] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.790132][ T4269] Cannot create hsr debugfs directory [ 82.244898][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 83.931041][ T1468] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.000485][ T1468] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.063275][ T1468] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.328216][ T4288] Bluetooth: hci0: command 0x041b tx timeout [ 85.010856][ T4269] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 85.022623][ T4269] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 85.033400][ T4269] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 85.044907][ T4269] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.066357][ T1468] device hsr_slave_0 left promiscuous mode [ 85.074409][ T1468] device hsr_slave_1 left promiscuous mode [ 85.081779][ T1468] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 85.090131][ T1468] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 85.099596][ T1468] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 85.107586][ T1468] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 85.116537][ T1468] device bridge_slave_1 left promiscuous mode [ 85.123740][ T1468] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.138197][ T1468] device bridge_slave_0 left promiscuous mode [ 85.145810][ T1468] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.165742][ T1468] device veth1_macvtap left promiscuous mode [ 85.172535][ T1468] device veth0_macvtap left promiscuous mode [ 85.179518][ T1468] device veth1_vlan left promiscuous mode [ 85.186254][ T1468] device veth0_vlan left promiscuous mode [ 85.356505][ T1468] team0 (unregistering): Port device team_slave_1 removed [ 85.371200][ T1468] team0 (unregistering): Port device team_slave_0 removed [ 85.385679][ T1468] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 85.401638][ T1468] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 85.461471][ T1468] bond0 (unregistering): Released all slaves [ 85.579992][ T4269] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.605200][ T4269] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.612202][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 85.620603][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 85.631835][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 85.640841][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 85.651621][ T641] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.659463][ T641] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.668661][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.696911][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 85.708039][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 85.721333][ T641] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.728788][ T641] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.737927][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 85.748187][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 85.757542][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 85.772389][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.781870][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 85.790775][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.799872][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 85.808457][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.816907][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 85.825836][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.834950][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 85.846403][ T4269] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 85.956865][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 85.965517][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 85.987774][ T4269] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.012818][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 86.025385][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 86.050352][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 86.062929][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 86.074384][ T4269] device veth0_vlan entered promiscuous mode [ 86.085864][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 86.094582][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 86.108759][ T4269] device veth1_vlan entered promiscuous mode [ 86.135068][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 86.145053][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 86.153294][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 86.163328][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 86.176395][ T4269] device veth0_macvtap entered promiscuous mode [ 86.188419][ T4269] device veth1_macvtap entered promiscuous mode [ 86.210206][ T4269] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 86.218725][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 86.229209][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 86.240251][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 86.251656][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 86.267305][ T4269] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 86.277824][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 86.289493][ T641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 86.305585][ T4269] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.319065][ T4269] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.330948][ T4269] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.341524][ T4269] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.414139][ T4287] Bluetooth: hci0: command 0x040f tx timeout [ 86.429168][ T641] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.451514][ T641] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/01 07:43:49 executed programs: 2 [ 86.476658][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 86.490242][ T641] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.500522][ T641] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.516715][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 86.583462][ T4318] [ 86.586277][ T4318] ====================================================== [ 86.595012][ T4318] WARNING: possible circular locking dependency detected [ 86.603267][ T4318] 5.15.184-syzkaller #0 Not tainted [ 86.608684][ T4318] ------------------------------------------------------ [ 86.616234][ T4318] syz.0.16/4318 is trying to acquire lock: [ 86.622407][ T4318] ffff888024558c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 86.636578][ T4318] [ 86.636578][ T4318] but task is already holding lock: [ 86.647299][ T4318] ffffffff8d4b2608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 86.657803][ T4318] [ 86.657803][ T4318] which lock already depends on the new lock. [ 86.657803][ T4318] [ 86.669091][ T4318] [ 86.669091][ T4318] the existing dependency chain (in reverse order) is: [ 86.678502][ T4318] [ 86.678502][ T4318] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 86.686938][ T4318] __mutex_lock_common+0x1eb/0x2390 [ 86.693496][ T4318] mutex_lock_nested+0x17/0x20 [ 86.700232][ T4318] rfkill_register+0x33/0x8a0 [ 86.705925][ T4318] hci_register_dev+0x452/0x970 [ 86.712071][ T4318] vhci_create_device+0x32c/0x5c0 [ 86.718334][ T4318] vhci_write+0x391/0x450 [ 86.724222][ T4318] vfs_write+0x712/0xd00 [ 86.730527][ T4318] ksys_write+0x14d/0x250 [ 86.735922][ T4318] do_syscall_64+0x4c/0xa0 [ 86.742350][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.752968][ T4318] [ 86.752968][ T4318] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 86.761506][ T4318] __mutex_lock_common+0x1eb/0x2390 [ 86.767827][ T4318] mutex_lock_nested+0x17/0x20 [ 86.775137][ T4318] vhci_send_frame+0x88/0x100 [ 86.780445][ T4318] hci_send_frame+0x1a9/0x2e0 [ 86.786473][ T4318] hci_tx_work+0x9f9/0x1710 [ 86.791730][ T4318] process_one_work+0x863/0x1000 [ 86.797213][ T4318] worker_thread+0xaa8/0x12a0 [ 86.802425][ T4318] kthread+0x436/0x520 [ 86.807668][ T4318] ret_from_fork+0x1f/0x30 [ 86.814114][ T4318] [ 86.814114][ T4318] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 86.823526][ T4318] __flush_work+0xdd/0x1b0 [ 86.829273][ T4318] hci_dev_do_close+0x1e7/0x1030 [ 86.834961][ T4318] hci_unregister_dev+0x2d7/0x580 [ 86.840523][ T4318] vhci_release+0x73/0xc0 [ 86.845506][ T4318] __fput+0x234/0x930 [ 86.850202][ T4318] task_work_run+0x125/0x1a0 [ 86.855324][ T4318] do_exit+0x616/0x20a0 [ 86.860008][ T4318] do_group_exit+0x12e/0x300 [ 86.865114][ T4318] get_signal+0x6ca/0x12c0 [ 86.870188][ T4318] arch_do_signal_or_restart+0xc1/0x1300 [ 86.876925][ T4318] exit_to_user_mode_loop+0x9e/0x130 [ 86.882833][ T4318] exit_to_user_mode_prepare+0xb1/0x140 [ 86.889360][ T4318] syscall_exit_to_user_mode+0x16/0x40 [ 86.895531][ T4318] do_syscall_64+0x58/0xa0 [ 86.901324][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.908051][ T4318] [ 86.908051][ T4318] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 86.917544][ T4318] __mutex_lock_common+0x1eb/0x2390 [ 86.923549][ T4318] mutex_lock_nested+0x17/0x20 [ 86.929207][ T4318] bg_scan_update+0x44/0x3b0 [ 86.935365][ T4318] process_one_work+0x863/0x1000 [ 86.941042][ T4318] worker_thread+0xaa8/0x12a0 [ 86.946345][ T4318] kthread+0x436/0x520 [ 86.951666][ T4318] ret_from_fork+0x1f/0x30 [ 86.956648][ T4318] [ 86.956648][ T4318] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 86.967004][ T4318] __lock_acquire+0x2c33/0x7c60 [ 86.973813][ T4318] lock_acquire+0x197/0x3f0 [ 86.978998][ T4318] __flush_work+0xdd/0x1b0 [ 86.985087][ T4318] __cancel_work_timer+0x3ac/0x520 [ 86.991464][ T4318] hci_request_cancel_all+0xcc/0x300 [ 86.997815][ T4318] hci_dev_do_close+0x4e/0x1030 [ 87.003802][ T4318] hci_rfkill_set_block+0x10a/0x190 [ 87.009564][ T4318] rfkill_set_block+0x1c6/0x420 [ 87.015034][ T4318] rfkill_fop_write+0x458/0x560 [ 87.020684][ T4318] vfs_write+0x300/0xd00 [ 87.026441][ T4318] ksys_write+0x14d/0x250 [ 87.031304][ T4318] do_syscall_64+0x4c/0xa0 [ 87.036253][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.042681][ T4318] [ 87.042681][ T4318] other info that might help us debug this: [ 87.042681][ T4318] [ 87.053898][ T4318] Chain exists of: [ 87.053898][ T4318] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 87.053898][ T4318] [ 87.070321][ T4318] Possible unsafe locking scenario: [ 87.070321][ T4318] [ 87.078029][ T4318] CPU0 CPU1 [ 87.083730][ T4318] ---- ---- [ 87.089310][ T4318] lock(rfkill_global_mutex); [ 87.094168][ T4318] lock(&data->open_mutex); [ 87.101282][ T4318] lock(rfkill_global_mutex); [ 87.108746][ T4318] lock((work_completion)(&hdev->bg_scan_update)); [ 87.115438][ T4318] [ 87.115438][ T4318] *** DEADLOCK *** [ 87.115438][ T4318] [ 87.123768][ T4318] 1 lock held by syz.0.16/4318: [ 87.128615][ T4318] #0: ffffffff8d4b2608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 87.138950][ T4318] [ 87.138950][ T4318] stack backtrace: [ 87.144898][ T4318] CPU: 1 PID: 4318 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 87.153148][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 87.163578][ T4318] Call Trace: [ 87.166863][ T4318] [ 87.169936][ T4318] dump_stack_lvl+0x168/0x230 [ 87.174640][ T4318] ? load_image+0x3b0/0x3b0 [ 87.179448][ T4318] ? show_regs_print_info+0x20/0x20 [ 87.184921][ T4318] ? print_circular_bug+0x12b/0x1a0 [ 87.190225][ T4318] check_noncircular+0x274/0x310 [ 87.195179][ T4318] ? add_chain_block+0x940/0x940 [ 87.200304][ T4318] ? lockdep_lock+0xdc/0x1e0 [ 87.204898][ T4318] ? __lock_acquire+0x12d9/0x7c60 [ 87.210010][ T4318] ? lockdep_lock+0x1e0/0x1e0 [ 87.214688][ T4318] ? mark_lock+0x94/0x320 [ 87.219693][ T4318] __lock_acquire+0x2c33/0x7c60 [ 87.225010][ T4318] ? verify_lock_unused+0x140/0x140 [ 87.230482][ T4318] ? verify_lock_unused+0x140/0x140 [ 87.236012][ T4318] lock_acquire+0x197/0x3f0 [ 87.240522][ T4318] ? __flush_work+0xc1/0x1b0 [ 87.245110][ T4318] ? __lock_acquire+0x7c60/0x7c60 [ 87.250297][ T4318] ? read_lock_is_recursive+0x10/0x10 [ 87.255685][ T4318] ? start_flush_work+0x776/0x820 [ 87.260997][ T4318] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 87.266895][ T4318] ? _raw_spin_unlock+0x40/0x40 [ 87.271832][ T4318] __flush_work+0xdd/0x1b0 [ 87.276333][ T4318] ? __flush_work+0xc1/0x1b0 [ 87.281821][ T4318] ? flush_work+0x20/0x20 [ 87.286313][ T4318] ? try_to_grab_pending+0xf3/0x7e0 [ 87.292425][ T4318] ? lockdep_hardirqs_off+0x70/0x100 [ 87.297836][ T4318] ? mark_lock+0x94/0x320 [ 87.302181][ T4318] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 87.308276][ T4318] ? lock_chain_count+0x20/0x20 [ 87.313147][ T4318] ? mark_lock+0x94/0x320 [ 87.317667][ T4318] ? __cancel_work_timer+0x331/0x520 [ 87.322953][ T4318] __cancel_work_timer+0x3ac/0x520 [ 87.328166][ T4318] ? cancel_work_sync+0x20/0x20 [ 87.333135][ T4318] ? __cancel_work+0x1f4/0x2d0 [ 87.337911][ T4318] ? lockdep_hardirqs_on+0x94/0x140 [ 87.343657][ T4318] ? __cancel_work+0x26f/0x2d0 [ 87.348458][ T4318] ? cancel_work+0x20/0x20 [ 87.352874][ T4318] ? lock_chain_count+0x20/0x20 [ 87.357730][ T4318] hci_request_cancel_all+0xcc/0x300 [ 87.363209][ T4318] hci_dev_do_close+0x4e/0x1030 [ 87.368243][ T4318] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 87.374672][ T4318] ? _raw_spin_unlock+0x40/0x40 [ 87.379551][ T4318] hci_rfkill_set_block+0x10a/0x190 [ 87.385195][ T4318] ? rcu_lock_release+0x20/0x20 [ 87.390230][ T4318] rfkill_set_block+0x1c6/0x420 [ 87.395302][ T4318] rfkill_fop_write+0x458/0x560 [ 87.400237][ T4318] ? verify_lock_unused+0x140/0x140 [ 87.405437][ T4318] ? rfkill_fop_read+0x4b0/0x4b0 [ 87.410385][ T4318] ? common_file_perm+0x110/0x1c0 [ 87.415542][ T4318] ? fsnotify_perm+0x5d/0x560 [ 87.420493][ T4318] ? security_file_permission+0x75/0xa0 [ 87.426256][ T4318] ? rfkill_fop_read+0x4b0/0x4b0 [ 87.431291][ T4318] vfs_write+0x300/0xd00 [ 87.435547][ T4318] ? file_end_write+0x250/0x250 [ 87.440414][ T4318] ? __context_tracking_exit+0x4c/0x80 [ 87.445976][ T4318] ? __lock_acquire+0x7c60/0x7c60 [ 87.451212][ T4318] ? __fdget_pos+0x1e2/0x370 [ 87.455817][ T4318] ksys_write+0x14d/0x250 [ 87.460493][ T4318] ? __ia32_sys_read+0x80/0x80 [ 87.465953][ T4318] ? lockdep_hardirqs_on+0x94/0x140 [ 87.471172][ T4318] do_syscall_64+0x4c/0xa0 [ 87.475764][ T4318] ? clear_bhb_loop+0x30/0x80 [ 87.480464][ T4318] ? clear_bhb_loop+0x30/0x80 [ 87.485331][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.491466][ T4318] RIP: 0033:0x7f8ae71b7969 [ 87.496070][ T4318] 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 [ 87.516464][ T4318] RSP: 002b:00007fffb1ce5118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.525526][ T4318] RAX: ffffffffffffffda RBX: 00007f8ae73defa0 RCX: 00007f8ae71b7969 [ 87.533862][ T4318] RDX: 0000000000000008 RSI: 0000200000000300 RDI: 0000000000000003 [ 87.542420][ T4318] RBP: 00007f8ae7239ab1 R08: 0000000000000000 R09: 0000000000000000 [ 87.550756][ T4318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.559284][ T4318] R13: 00007f8ae73defa0 R14: 00007f8ae73defa0 R15: 0000000000000003 [ 87.567644][ T4318] [ 87.584225][ T1108] cfg80211: failed to load regulatory.db 2025/06/01 07:43:54 executed programs: 228 2025/06/01 07:43:59 executed programs: 525