Warning: Permanently added '10.128.1.93' (ED25519) to the list of known hosts. 2025/08/04 05:14:11 ignoring optional flag "sandboxArg"="0" 2025/08/04 05:14:13 parsed 1 programs [ 64.357538][ T4189] cgroup: Unknown subsys name 'net' [ 64.524210][ T4189] cgroup: Unknown subsys name 'rlimit' [ 65.980312][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 68.071450][ T4215] chnl_net:caif_netlink_parms(): no params data found [ 68.143532][ T4215] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.151570][ T4215] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.160179][ T4215] device bridge_slave_0 entered promiscuous mode [ 68.170237][ T4215] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.177598][ T4215] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.186222][ T4215] device bridge_slave_1 entered promiscuous mode [ 68.215826][ T4215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.228193][ T4215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.258097][ T4215] team0: Port device team_slave_0 added [ 68.265883][ T4215] team0: Port device team_slave_1 added [ 68.291570][ T4215] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.298627][ T4215] 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. [ 68.325073][ T4215] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.338479][ T4215] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.345952][ T4215] 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. [ 68.380615][ T4215] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.421337][ T4215] device hsr_slave_0 entered promiscuous mode [ 68.429587][ T4215] device hsr_slave_1 entered promiscuous mode [ 68.572159][ T4215] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.584192][ T4215] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.595283][ T4215] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.605887][ T4215] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.687552][ T4215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.702673][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.713746][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.725661][ T4215] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.737086][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.746111][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.757548][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.765061][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.775992][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.790682][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.799754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.811972][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.819125][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.847524][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.856849][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.868425][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.878613][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.889117][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.898771][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.909032][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.918608][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.928528][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.939513][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.949682][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.960221][ T4215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.090247][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.100605][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.118561][ T4215] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.140007][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.149881][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.176774][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.186196][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.199238][ T4215] device veth0_vlan entered promiscuous mode [ 69.210896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.219061][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.231110][ T4215] device veth1_vlan entered promiscuous mode [ 69.258431][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.266768][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.276239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.285061][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.296189][ T4215] device veth0_macvtap entered promiscuous mode [ 69.306512][ T4215] device veth1_macvtap entered promiscuous mode [ 69.327479][ T4215] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.335472][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.344545][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.354327][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.365921][ T4215] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.374352][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.383827][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.395382][ T4215] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.405516][ T4215] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.414576][ T4215] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.423469][ T4215] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.915584][ T1275] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.932319][ T1275] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.952778][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.971041][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.980763][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.990158][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.261345][ T1423] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.267976][ T1423] ieee802154 phy1 wpan1: encryption failed: -22 2025/08/04 05:14:22 executed programs: 0 [ 71.668970][ T4282] chnl_net:caif_netlink_parms(): no params data found [ 71.711210][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.745064][ T4282] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.752601][ T4282] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.761252][ T4282] device bridge_slave_0 entered promiscuous mode [ 71.769761][ T4282] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.776861][ T4282] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.784868][ T4282] device bridge_slave_1 entered promiscuous mode [ 71.807893][ T4282] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.818976][ T4282] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.842625][ T4282] team0: Port device team_slave_0 added [ 71.850301][ T4282] team0: Port device team_slave_1 added [ 71.870773][ T4282] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.877973][ T4282] 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. [ 71.904469][ T4282] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.916795][ T4282] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.923880][ T4282] 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. [ 71.949953][ T4282] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.984928][ T4282] device hsr_slave_0 entered promiscuous mode [ 71.992145][ T4282] device hsr_slave_1 entered promiscuous mode [ 71.999663][ T4282] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.007816][ T4282] Cannot create hsr debugfs directory [ 73.578296][ T4236] Bluetooth: hci0: command 0x0409 tx timeout [ 74.984393][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.024973][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.074025][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.667884][ T4316] Bluetooth: hci0: command 0x041b tx timeout [ 75.961656][ T4282] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.971560][ T4282] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.012764][ T4282] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.022734][ T4282] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.132810][ T4282] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.146230][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.154397][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.166620][ T4282] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.202330][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.211207][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.220608][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.227749][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.235595][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.260815][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.269637][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.280578][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.287688][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.295730][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.304544][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.313274][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.322131][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.330982][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.341732][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.350515][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.386239][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.395138][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.408580][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.417952][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.427052][ T4282] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.552903][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.560557][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.573889][ T4282] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.615646][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.625471][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.643864][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.652448][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.663621][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.671757][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.681440][ T4282] device veth0_vlan entered promiscuous mode [ 76.716323][ T4282] device veth1_vlan entered promiscuous mode [ 76.735849][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.744415][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.753534][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.763181][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.774380][ T4282] device veth0_macvtap entered promiscuous mode [ 76.786113][ T4282] device veth1_macvtap entered promiscuous mode [ 76.820540][ T4282] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.831414][ T4282] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.842750][ T4282] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.850918][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.859191][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.867081][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.876253][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.886986][ T4282] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.899979][ T4282] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.911048][ T4282] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.925719][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.934864][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.956364][ T4282] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.965919][ T4282] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.974703][ T4282] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.983669][ T4282] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.035798][ T154] device hsr_slave_0 left promiscuous mode [ 77.042770][ T154] device hsr_slave_1 left promiscuous mode [ 77.049677][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.058227][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.066343][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.073902][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.082833][ T154] device bridge_slave_1 left promiscuous mode [ 77.090015][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.107240][ T154] device bridge_slave_0 left promiscuous mode [ 77.113570][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.131489][ T154] device veth1_macvtap left promiscuous mode [ 77.138015][ T154] device veth0_macvtap left promiscuous mode [ 77.144091][ T154] device veth1_vlan left promiscuous mode [ 77.150739][ T154] device veth0_vlan left promiscuous mode [ 77.330541][ T154] team0 (unregistering): Port device team_slave_1 removed [ 77.345368][ T154] team0 (unregistering): Port device team_slave_0 removed [ 77.361111][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.374920][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.439722][ T154] bond0 (unregistering): Released all slaves [ 77.515582][ T1275] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.526576][ T1275] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.540130][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.575947][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.585388][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.595974][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 77.703599][ T4351] [ 77.706110][ T4351] ====================================================== [ 77.713139][ T4351] WARNING: possible circular locking dependency detected [ 77.720183][ T4351] 5.15.189-syzkaller #0 Not tainted [ 77.725395][ T4351] ------------------------------------------------------ [ 77.732533][ T4351] syz.0.17/4351 is trying to acquire lock: [ 77.738360][ T4351] ffff8880747e4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 77.749764][ T4351] [ 77.749764][ T4351] but task is already holding lock: [ 77.757165][ T4351] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 77.766873][ T4351] [ 77.766873][ T4351] which lock already depends on the new lock. [ 77.766873][ T4351] [ 77.777454][ T4351] [ 77.777454][ T4351] the existing dependency chain (in reverse order) is: [ 77.786502][ T4351] [ 77.786502][ T4351] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 77.794528][ T4351] __mutex_lock_common+0x1eb/0x2390 [ 77.800393][ T4351] mutex_lock_nested+0x17/0x20 [ 77.806140][ T4351] rfkill_register+0x33/0x8a0 [ 77.811468][ T4351] hci_register_dev+0x452/0x970 [ 77.816993][ T4351] vhci_create_device+0x32c/0x5c0 [ 77.822750][ T4351] vhci_write+0x391/0x450 [ 77.827677][ T4351] vfs_write+0x712/0xd00 [ 77.832648][ T4351] ksys_write+0x14d/0x250 [ 77.837537][ T4351] do_syscall_64+0x4c/0xa0 [ 77.842513][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.849044][ T4351] [ 77.849044][ T4351] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 77.856899][ T4351] __mutex_lock_common+0x1eb/0x2390 [ 77.862733][ T4351] mutex_lock_nested+0x17/0x20 [ 77.868053][ T4351] vhci_send_frame+0x88/0x100 [ 77.873277][ T4351] hci_send_frame+0x1a9/0x2e0 [ 77.878504][ T4351] hci_tx_work+0x9f9/0x1710 [ 77.883550][ T4351] process_one_work+0x863/0x1000 [ 77.889032][ T4351] worker_thread+0xaa8/0x12a0 [ 77.894254][ T4351] kthread+0x436/0x520 [ 77.898865][ T4351] ret_from_fork+0x1f/0x30 [ 77.903826][ T4351] [ 77.903826][ T4351] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 77.913074][ T4351] __flush_work+0xdd/0x1b0 [ 77.918045][ T4351] hci_dev_do_close+0x1e7/0x1030 [ 77.923525][ T4351] hci_unregister_dev+0x2d7/0x580 [ 77.929094][ T4351] vhci_release+0x73/0xc0 [ 77.933973][ T4351] __fput+0x234/0x930 [ 77.938516][ T4351] task_work_run+0x125/0x1a0 [ 77.943651][ T4351] do_exit+0x61e/0x20a0 [ 77.948445][ T4351] do_group_exit+0x12e/0x300 [ 77.953592][ T4351] get_signal+0x6ca/0x12c0 [ 77.958618][ T4351] arch_do_signal_or_restart+0xc1/0x1300 [ 77.964912][ T4351] exit_to_user_mode_loop+0x9e/0x130 [ 77.970932][ T4351] exit_to_user_mode_prepare+0xb1/0x140 [ 77.977117][ T4351] syscall_exit_to_user_mode+0x16/0x40 [ 77.983129][ T4351] do_syscall_64+0x58/0xa0 [ 77.988177][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.994683][ T4351] [ 77.994683][ T4351] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 78.002363][ T4351] __mutex_lock_common+0x1eb/0x2390 [ 78.008109][ T4351] mutex_lock_nested+0x17/0x20 [ 78.013415][ T4351] bg_scan_update+0x44/0x3b0 [ 78.018564][ T4351] process_one_work+0x863/0x1000 [ 78.024047][ T4351] worker_thread+0xaa8/0x12a0 [ 78.029274][ T4351] kthread+0x436/0x520 [ 78.033886][ T4351] ret_from_fork+0x1f/0x30 [ 78.038843][ T4351] [ 78.038843][ T4351] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 78.048684][ T4351] __lock_acquire+0x2c33/0x7c60 [ 78.054078][ T4351] lock_acquire+0x197/0x3f0 [ 78.059136][ T4351] __flush_work+0xdd/0x1b0 [ 78.064094][ T4351] __cancel_work_timer+0x3ac/0x520 [ 78.069747][ T4351] hci_request_cancel_all+0xcc/0x300 [ 78.075582][ T4351] hci_dev_do_close+0x4e/0x1030 [ 78.080976][ T4351] hci_rfkill_set_block+0x10a/0x190 [ 78.086717][ T4351] rfkill_set_block+0x1c6/0x420 [ 78.092117][ T4351] rfkill_fop_write+0x458/0x560 [ 78.097603][ T4351] vfs_write+0x300/0xd00 [ 78.102395][ T4351] ksys_write+0x14d/0x250 [ 78.107265][ T4351] do_syscall_64+0x4c/0xa0 [ 78.112223][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.118663][ T4351] [ 78.118663][ T4351] other info that might help us debug this: [ 78.118663][ T4351] [ 78.129009][ T4351] Chain exists of: [ 78.129009][ T4351] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 78.129009][ T4351] [ 78.144904][ T4351] Possible unsafe locking scenario: [ 78.144904][ T4351] [ 78.152366][ T4351] CPU0 CPU1 [ 78.157744][ T4351] ---- ---- [ 78.163126][ T4351] lock(rfkill_global_mutex); [ 78.167907][ T4351] lock(&data->open_mutex); [ 78.175039][ T4351] lock(rfkill_global_mutex); [ 78.182359][ T4351] lock((work_completion)(&hdev->bg_scan_update)); [ 78.188966][ T4351] [ 78.188966][ T4351] *** DEADLOCK *** [ 78.188966][ T4351] [ 78.197203][ T4351] 1 lock held by syz.0.17/4351: [ 78.202068][ T4351] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 78.212193][ T4351] [ 78.212193][ T4351] stack backtrace: [ 78.218101][ T4351] CPU: 0 PID: 4351 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 78.226106][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 78.236189][ T4351] Call Trace: [ 78.239486][ T4351] [ 78.242435][ T4351] dump_stack_lvl+0x168/0x230 [ 78.247141][ T4351] ? load_image+0x3b0/0x3b0 [ 78.251668][ T4351] ? show_regs_print_info+0x20/0x20 [ 78.256909][ T4351] ? print_circular_bug+0x12b/0x1a0 [ 78.262128][ T4351] check_noncircular+0x274/0x310 [ 78.267087][ T4351] ? add_chain_block+0x940/0x940 [ 78.272044][ T4351] ? lockdep_lock+0xdc/0x1e0 [ 78.276665][ T4351] ? __lock_acquire+0x12d9/0x7c60 [ 78.281724][ T4351] ? lockdep_lock+0x1e0/0x1e0 [ 78.286421][ T4351] ? mark_lock+0x94/0x320 [ 78.290772][ T4351] ? _find_first_zero_bit+0xce/0xf0 [ 78.295989][ T4351] __lock_acquire+0x2c33/0x7c60 [ 78.300871][ T4351] ? verify_lock_unused+0x140/0x140 [ 78.306093][ T4351] ? verify_lock_unused+0x140/0x140 [ 78.311324][ T4351] lock_acquire+0x197/0x3f0 [ 78.315843][ T4351] ? __flush_work+0xc1/0x1b0 [ 78.320452][ T4351] ? __lock_acquire+0x7c60/0x7c60 [ 78.325502][ T4351] ? read_lock_is_recursive+0x10/0x10 [ 78.331079][ T4351] ? start_flush_work+0x776/0x820 [ 78.336133][ T4351] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 78.342137][ T4351] ? _raw_spin_unlock+0x40/0x40 [ 78.347014][ T4351] __flush_work+0xdd/0x1b0 [ 78.351464][ T4351] ? __flush_work+0xc1/0x1b0 [ 78.356181][ T4351] ? flush_work+0x20/0x20 [ 78.360530][ T4351] ? try_to_grab_pending+0xf3/0x7e0 [ 78.365753][ T4351] ? lockdep_hardirqs_off+0x70/0x100 [ 78.371063][ T4351] ? mark_lock+0x94/0x320 [ 78.375428][ T4351] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 78.381457][ T4351] ? lock_chain_count+0x20/0x20 [ 78.386439][ T4351] ? mark_lock+0x94/0x320 [ 78.390791][ T4351] ? __cancel_work_timer+0x331/0x520 [ 78.396197][ T4351] __cancel_work_timer+0x3ac/0x520 [ 78.401333][ T4351] ? cancel_work_sync+0x20/0x20 [ 78.406290][ T4351] ? __cancel_work+0x1f4/0x2d0 [ 78.411069][ T4351] ? lockdep_hardirqs_on+0x94/0x140 [ 78.416291][ T4351] ? __cancel_work+0x26f/0x2d0 [ 78.421078][ T4351] ? cancel_work+0x20/0x20 [ 78.425517][ T4351] ? lock_chain_count+0x20/0x20 [ 78.430409][ T4351] hci_request_cancel_all+0xcc/0x300 [ 78.435727][ T4351] hci_dev_do_close+0x4e/0x1030 [ 78.440704][ T4351] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 78.446626][ T4351] ? _raw_spin_unlock+0x40/0x40 [ 78.451505][ T4351] hci_rfkill_set_block+0x10a/0x190 [ 78.456730][ T4351] ? rcu_lock_release+0x20/0x20 [ 78.461602][ T4351] rfkill_set_block+0x1c6/0x420 [ 78.466476][ T4351] rfkill_fop_write+0x458/0x560 [ 78.471354][ T4351] ? verify_lock_unused+0x140/0x140 [ 78.476581][ T4351] ? rfkill_fop_read+0x4b0/0x4b0 [ 78.481545][ T4351] ? common_file_perm+0x150/0x1c0 [ 78.486591][ T4351] ? fsnotify_perm+0x5d/0x560 [ 78.491287][ T4351] ? security_file_permission+0x75/0xa0 [ 78.496856][ T4351] ? rfkill_fop_read+0x4b0/0x4b0 [ 78.501816][ T4351] vfs_write+0x300/0xd00 [ 78.506094][ T4351] ? file_end_write+0x250/0x250 [ 78.510968][ T4351] ? __context_tracking_exit+0x4c/0x80 [ 78.516758][ T4351] ? __lock_acquire+0x7c60/0x7c60 [ 78.521809][ T4351] ? __fdget_pos+0x1e2/0x370 [ 78.526433][ T4351] ksys_write+0x14d/0x250 [ 78.530790][ T4351] ? __ia32_sys_read+0x80/0x80 [ 78.535574][ T4351] ? lockdep_hardirqs_on+0x94/0x140 [ 78.540806][ T4351] do_syscall_64+0x4c/0xa0 [ 78.545364][ T4351] ? clear_bhb_loop+0x30/0x80 [ 78.550068][ T4351] ? clear_bhb_loop+0x30/0x80 [ 78.554763][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.560706][ T4351] RIP: 0033:0x7f62ff9f8b69 [ 78.565142][ T4351] 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 [ 78.584849][ T4351] RSP: 002b:00007ffc1b91ef48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.593294][ T4351] RAX: ffffffffffffffda RBX: 00007f62ffc1ffa0 RCX: 00007f62ff9f8b69 [ 78.601299][ T4351] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 78.609293][ T4351] RBP: 00007f62ffa7bdf1 R08: 0000000000000000 R09: 0000000000000000 [ 78.617290][ T4351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.625441][ T4351] R13: 00007f62ffc1ffa0 R14: 00007f62ffc1ffa0 R15: 0000000000000003 [ 78.633453][ T4351] [ 78.656726][ T4316] Bluetooth: hci0: command 0x040f tx timeout