Warning: Permanently added '10.128.1.174' (ED25519) to the list of known hosts. 2025/06/08 20:41:26 ignoring optional flag "sandboxArg"="0" 2025/06/08 20:41:28 parsed 1 programs [ 76.850076][ T4178] cgroup: Unknown subsys name 'net' [ 77.021576][ T4178] cgroup: Unknown subsys name 'rlimit' [ 78.650406][ T4178] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 82.114935][ T4227] chnl_net:caif_netlink_parms(): no params data found [ 82.184404][ T4227] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.192111][ T4227] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.200716][ T4227] device bridge_slave_0 entered promiscuous mode [ 82.210361][ T4227] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.217734][ T4227] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.226496][ T4227] device bridge_slave_1 entered promiscuous mode [ 82.257784][ T4227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.269563][ T4227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.299647][ T4227] team0: Port device team_slave_0 added [ 82.308792][ T4227] team0: Port device team_slave_1 added [ 82.337240][ T4227] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.346328][ T4227] 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. [ 82.374297][ T4227] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.387609][ T4227] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.394749][ T4227] 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. [ 82.421172][ T4227] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.463548][ T4227] device hsr_slave_0 entered promiscuous mode [ 82.477163][ T4227] device hsr_slave_1 entered promiscuous mode [ 82.693331][ T4227] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.705071][ T4227] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.714422][ T4227] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.724852][ T4227] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.748372][ T4227] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.755651][ T4227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.763865][ T4227] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.771083][ T4227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.822543][ T4227] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.837735][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.850519][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.861063][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.871632][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.890550][ T4227] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.938023][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.953435][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.963368][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.987323][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.999118][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.010141][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.050692][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.060947][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.075489][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.089882][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.125290][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.137722][ T4227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.303676][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.312812][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.350802][ T4227] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.369267][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 83.381765][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.419168][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.428388][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.439864][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.449598][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.467053][ T4227] device veth0_vlan entered promiscuous mode [ 83.493599][ T4227] device veth1_vlan entered promiscuous mode [ 83.515016][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.523769][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.534509][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.545467][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.558109][ T4227] device veth0_macvtap entered promiscuous mode [ 83.570706][ T4227] device veth1_macvtap entered promiscuous mode [ 83.610076][ T4227] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.618540][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.628633][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.639194][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.650644][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.665825][ T4227] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.674368][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.684636][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.699118][ T4227] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.711829][ T4227] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.722736][ T4227] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.735987][ T4227] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.900805][ T4227] syz-executor (4227) used greatest stack depth: 21152 bytes left [ 84.034467][ T3046] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.050122][ T3046] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.079213][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.091181][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.103150][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.119404][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/06/08 20:41:39 executed programs: 0 [ 85.584434][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.773518][ T4272] chnl_net:caif_netlink_parms(): no params data found [ 85.827820][ T4272] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.836259][ T4272] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.845474][ T4272] device bridge_slave_0 entered promiscuous mode [ 85.855392][ T4272] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.862827][ T4272] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.872600][ T4272] device bridge_slave_1 entered promiscuous mode [ 85.896720][ T4272] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.909531][ T4272] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.935721][ T4272] team0: Port device team_slave_0 added [ 85.944607][ T4272] team0: Port device team_slave_1 added [ 85.964947][ T4272] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.972436][ T4272] 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. [ 86.003011][ T4272] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.017171][ T4272] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.026395][ T4272] 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. [ 86.056420][ T4272] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.093227][ T4272] device hsr_slave_0 entered promiscuous mode [ 86.100165][ T4272] device hsr_slave_1 entered promiscuous mode [ 86.108634][ T4272] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 86.118932][ T4272] Cannot create hsr debugfs directory [ 87.714349][ T1335] Bluetooth: hci0: command 0x0409 tx timeout [ 88.672611][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.719159][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.773898][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 89.605991][ T4272] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.627510][ T4272] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.638451][ T4272] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.649181][ T4272] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.747178][ T4272] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.761850][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.771185][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.783564][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 89.804488][ T4272] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.816020][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 89.825708][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.836420][ T3046] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.844564][ T3046] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.864541][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.873531][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.882999][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.892350][ T3046] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.899493][ T3046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.909039][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.918487][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.927526][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 89.937407][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.947449][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.970000][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 89.979485][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 89.991306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 90.004655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.042886][ T4272] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 90.056408][ T4272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.065018][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 90.078409][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.196474][ T144] device hsr_slave_0 left promiscuous mode [ 90.204586][ T144] device hsr_slave_1 left promiscuous mode [ 90.211986][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 90.220799][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 90.232707][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 90.241075][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 90.249903][ T144] device bridge_slave_1 left promiscuous mode [ 90.257921][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.273004][ T144] device bridge_slave_0 left promiscuous mode [ 90.279485][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.299903][ T144] device veth1_macvtap left promiscuous mode [ 90.306812][ T144] device veth0_macvtap left promiscuous mode [ 90.313331][ T144] device veth1_vlan left promiscuous mode [ 90.319386][ T144] device veth0_vlan left promiscuous mode [ 90.532352][ T144] team0 (unregistering): Port device team_slave_1 removed [ 90.551322][ T144] team0 (unregistering): Port device team_slave_0 removed [ 90.571039][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 90.589041][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 90.692785][ T144] bond0 (unregistering): Released all slaves [ 90.778844][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 90.787851][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 90.818225][ T4272] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.869459][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 90.897861][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 90.927882][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 90.941162][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 90.953072][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 90.961367][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 90.974066][ T4272] device veth0_vlan entered promiscuous mode [ 90.990093][ T4272] device veth1_vlan entered promiscuous mode [ 91.015719][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 91.025543][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 91.035136][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 91.045655][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 91.059316][ T4272] device veth0_macvtap entered promiscuous mode [ 91.070617][ T4272] device veth1_macvtap entered promiscuous mode [ 91.098657][ T4272] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.109604][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 91.119206][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 91.128572][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 91.137726][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 91.149559][ T4272] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.161383][ T4272] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.171314][ T4272] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.181305][ T4272] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.192191][ T4272] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.205792][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 91.216022][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 91.326768][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.350410][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.376265][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 91.393682][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.402303][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.415257][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 91.565023][ T4318] [ 91.567422][ T4318] ====================================================== [ 91.574814][ T4318] WARNING: possible circular locking dependency detected [ 91.582650][ T4318] 5.15.185-syzkaller #0 Not tainted [ 91.588250][ T4318] ------------------------------------------------------ [ 91.595665][ T4318] syz.0.16/4318 is trying to acquire lock: [ 91.601676][ T4318] ffff888024eacc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 91.612909][ T4318] [ 91.612909][ T4318] but task is already holding lock: [ 91.620607][ T4318] ffffffff8d4b2748 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 91.630994][ T4318] [ 91.630994][ T4318] which lock already depends on the new lock. [ 91.630994][ T4318] [ 91.643101][ T4318] [ 91.643101][ T4318] the existing dependency chain (in reverse order) is: [ 91.653805][ T4318] [ 91.653805][ T4318] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 91.662820][ T4318] __mutex_lock_common+0x1eb/0x2390 [ 91.669568][ T4318] mutex_lock_nested+0x17/0x20 [ 91.675420][ T4318] rfkill_register+0x33/0x8a0 [ 91.681103][ T4318] hci_register_dev+0x452/0x970 [ 91.687525][ T4318] vhci_create_device+0x32c/0x5c0 [ 91.694806][ T4318] vhci_write+0x391/0x450 [ 91.700194][ T4318] vfs_write+0x712/0xd00 [ 91.705193][ T4318] ksys_write+0x14d/0x250 [ 91.711043][ T4318] do_syscall_64+0x4c/0xa0 [ 91.716563][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.724253][ T4318] [ 91.724253][ T4318] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 91.733412][ T4318] __mutex_lock_common+0x1eb/0x2390 [ 91.739364][ T4318] mutex_lock_nested+0x17/0x20 [ 91.745033][ T4318] vhci_send_frame+0x88/0x100 [ 91.750277][ T4318] hci_send_frame+0x1a9/0x2e0 [ 91.755772][ T4318] hci_tx_work+0x9f9/0x1710 [ 91.761852][ T4318] process_one_work+0x863/0x1000 [ 91.768151][ T4318] worker_thread+0xaa8/0x12a0 [ 91.773487][ T4318] kthread+0x436/0x520 [ 91.778196][ T4318] ret_from_fork+0x1f/0x30 [ 91.783515][ T4318] [ 91.783515][ T4318] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 91.793857][ T4318] __flush_work+0xdd/0x1b0 [ 91.799371][ T4318] hci_dev_do_close+0x1e7/0x1030 [ 91.805705][ T4318] hci_unregister_dev+0x2d7/0x580 [ 91.812355][ T4318] vhci_release+0x73/0xc0 [ 91.818926][ T4318] __fput+0x234/0x930 [ 91.823820][ T4318] task_work_run+0x125/0x1a0 [ 91.829060][ T4318] do_exit+0x616/0x20a0 [ 91.834724][ T4318] do_group_exit+0x12e/0x300 [ 91.840616][ T4318] get_signal+0x6ca/0x12c0 [ 91.845703][ T4318] arch_do_signal_or_restart+0xc1/0x1300 [ 91.852263][ T4318] exit_to_user_mode_loop+0x9e/0x130 [ 91.858601][ T4318] exit_to_user_mode_prepare+0xb1/0x140 [ 91.865381][ T4318] syscall_exit_to_user_mode+0x16/0x40 [ 91.871422][ T4318] do_syscall_64+0x58/0xa0 [ 91.877727][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.885371][ T4318] [ 91.885371][ T4318] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 91.893337][ T4318] __mutex_lock_common+0x1eb/0x2390 [ 91.899186][ T4318] mutex_lock_nested+0x17/0x20 [ 91.904863][ T4318] bg_scan_update+0x44/0x3b0 [ 91.910295][ T4318] process_one_work+0x863/0x1000 [ 91.915790][ T4318] worker_thread+0xaa8/0x12a0 [ 91.921197][ T4318] kthread+0x436/0x520 [ 91.926072][ T4318] ret_from_fork+0x1f/0x30 [ 91.931407][ T4318] [ 91.931407][ T4318] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 91.942590][ T4318] __lock_acquire+0x2c33/0x7c60 [ 91.948342][ T4318] lock_acquire+0x197/0x3f0 [ 91.954576][ T4318] __flush_work+0xdd/0x1b0 [ 91.960319][ T4318] __cancel_work_timer+0x3ac/0x520 [ 91.965971][ T4318] hci_request_cancel_all+0xcc/0x300 [ 91.972725][ T4318] hci_dev_do_close+0x4e/0x1030 [ 91.979916][ T4318] hci_rfkill_set_block+0x10a/0x190 [ 91.986343][ T4318] rfkill_set_block+0x1c6/0x420 [ 91.992387][ T4318] rfkill_fop_write+0x458/0x560 [ 91.998410][ T4318] vfs_write+0x300/0xd00 [ 92.003296][ T4318] ksys_write+0x14d/0x250 [ 92.008489][ T4318] do_syscall_64+0x4c/0xa0 [ 92.013640][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 92.020190][ T4318] [ 92.020190][ T4318] other info that might help us debug this: [ 92.020190][ T4318] [ 92.031391][ T4318] Chain exists of: [ 92.031391][ T4318] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 92.031391][ T4318] [ 92.047930][ T4318] Possible unsafe locking scenario: [ 92.047930][ T4318] [ 92.056005][ T4318] CPU0 CPU1 [ 92.061754][ T4318] ---- ---- [ 92.067230][ T4318] lock(rfkill_global_mutex); [ 92.072426][ T4318] lock(&data->open_mutex); [ 92.079728][ T4318] lock(rfkill_global_mutex); [ 92.087296][ T4318] lock((work_completion)(&hdev->bg_scan_update)); [ 92.094365][ T4318] [ 92.094365][ T4318] *** DEADLOCK *** [ 92.094365][ T4318] [ 92.102938][ T4318] 1 lock held by syz.0.16/4318: [ 92.108241][ T4318] #0: ffffffff8d4b2748 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 92.118373][ T4318] [ 92.118373][ T4318] stack backtrace: [ 92.124466][ T4318] CPU: 0 PID: 4318 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 [ 92.132555][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 92.143425][ T4318] Call Trace: [ 92.146730][ T4318] [ 92.149808][ T4318] dump_stack_lvl+0x168/0x230 [ 92.154685][ T4318] ? load_image+0x3b0/0x3b0 [ 92.159199][ T4318] ? show_regs_print_info+0x20/0x20 [ 92.164859][ T4318] ? print_circular_bug+0x12b/0x1a0 [ 92.171015][ T4318] check_noncircular+0x274/0x310 [ 92.176320][ T4318] ? add_chain_block+0x940/0x940 [ 92.181366][ T4318] ? lockdep_lock+0xdc/0x1e0 [ 92.186306][ T4318] ? __lock_acquire+0x12d9/0x7c60 [ 92.191360][ T4318] ? lockdep_lock+0x1e0/0x1e0 [ 92.196142][ T4318] ? mark_lock+0x94/0x320 [ 92.200568][ T4318] __lock_acquire+0x2c33/0x7c60 [ 92.205430][ T4318] ? verify_lock_unused+0x140/0x140 [ 92.210724][ T4318] ? verify_lock_unused+0x140/0x140 [ 92.216057][ T4318] lock_acquire+0x197/0x3f0 [ 92.220585][ T4318] ? __flush_work+0xc1/0x1b0 [ 92.225460][ T4318] ? __lock_acquire+0x7c60/0x7c60 [ 92.230692][ T4318] ? read_lock_is_recursive+0x10/0x10 [ 92.236510][ T4318] ? start_flush_work+0x776/0x820 [ 92.241649][ T4318] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 92.247842][ T4318] ? _raw_spin_unlock+0x40/0x40 [ 92.252977][ T4318] __flush_work+0xdd/0x1b0 [ 92.257522][ T4318] ? __flush_work+0xc1/0x1b0 [ 92.262133][ T4318] ? flush_work+0x20/0x20 [ 92.266691][ T4318] ? try_to_grab_pending+0xf3/0x7e0 [ 92.271913][ T4318] ? lockdep_hardirqs_off+0x70/0x100 [ 92.277312][ T4318] ? mark_lock+0x94/0x320 [ 92.281679][ T4318] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 92.287932][ T4318] ? lock_chain_count+0x20/0x20 [ 92.292878][ T4318] ? mark_lock+0x94/0x320 [ 92.297374][ T4318] ? __cancel_work_timer+0x331/0x520 [ 92.302874][ T4318] __cancel_work_timer+0x3ac/0x520 [ 92.308118][ T4318] ? cancel_work_sync+0x20/0x20 [ 92.313621][ T4318] ? __cancel_work+0x1f4/0x2d0 [ 92.318651][ T4318] ? lockdep_hardirqs_on+0x94/0x140 [ 92.323868][ T4318] ? __cancel_work+0x26f/0x2d0 [ 92.328646][ T4318] ? cancel_work+0x20/0x20 [ 92.333343][ T4318] ? lock_chain_count+0x20/0x20 [ 92.338206][ T4318] hci_request_cancel_all+0xcc/0x300 [ 92.343770][ T4318] hci_dev_do_close+0x4e/0x1030 [ 92.349099][ T4318] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 92.355265][ T4318] ? _raw_spin_unlock+0x40/0x40 [ 92.360525][ T4318] hci_rfkill_set_block+0x10a/0x190 [ 92.366603][ T4318] ? rcu_lock_release+0x20/0x20 [ 92.371737][ T4318] rfkill_set_block+0x1c6/0x420 [ 92.376711][ T4318] rfkill_fop_write+0x458/0x560 [ 92.382198][ T4318] ? verify_lock_unused+0x140/0x140 [ 92.388102][ T4318] ? rfkill_fop_read+0x4b0/0x4b0 [ 92.393267][ T4318] ? common_file_perm+0x160/0x1c0 [ 92.398316][ T4318] ? fsnotify_perm+0x5d/0x560 [ 92.403205][ T4318] ? security_file_permission+0x75/0xa0 [ 92.409075][ T4318] ? rfkill_fop_read+0x4b0/0x4b0 [ 92.414423][ T4318] vfs_write+0x300/0xd00 [ 92.418718][ T4318] ? file_end_write+0x250/0x250 [ 92.423689][ T4318] ? __context_tracking_exit+0x4c/0x80 [ 92.429186][ T4318] ? __lock_acquire+0x7c60/0x7c60 [ 92.434738][ T4318] ? __fdget_pos+0x1e2/0x370 [ 92.440106][ T4318] ksys_write+0x14d/0x250 [ 92.445133][ T4318] ? __ia32_sys_read+0x80/0x80 [ 92.450060][ T4318] ? lockdep_hardirqs_on+0x94/0x140 [ 92.455946][ T4318] do_syscall_64+0x4c/0xa0 [ 92.460480][ T4318] ? clear_bhb_loop+0x30/0x80 [ 92.465183][ T4318] ? clear_bhb_loop+0x30/0x80 [ 92.470052][ T4318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 92.476721][ T4318] RIP: 0033:0x7f61b342c929 [ 92.481779][ 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 [ 92.501528][ T4318] RSP: 002b:00007ffece7d16a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.510334][ T4318] RAX: ffffffffffffffda RBX: 00007f61b3653fa0 RCX: 00007f61b342c929 [ 92.518754][ T4318] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 92.527194][ T4318] RBP: 00007f61b34aeb39 R08: 0000000000000000 R09: 0000000000000000 [ 92.535713][ T4318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.544046][ T4318] R13: 00007f61b3653fa0 R14: 00007f61b3653fa0 R15: 0000000000000003 [ 92.552145][ T4318] [ 92.555684][ T23] cfg80211: failed to load regulatory.db [ 92.582434][ T4317] Bluetooth: hci0: command 0x040f tx timeout