Warning: Permanently added '10.128.0.76' (ED25519) to the list of known hosts. 2026/06/02 07:49:35 parsed 1 programs [ 61.450821][ T4201] cgroup: Unknown subsys name 'net' [ 61.587521][ T4201] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 63.112514][ T4201] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 66.659648][ T4257] chnl_net:caif_netlink_parms(): no params data found [ 66.725371][ T4257] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.734372][ T4257] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.742355][ T4257] device bridge_slave_0 entered promiscuous mode [ 66.752999][ T4257] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.760623][ T4257] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.769028][ T4257] device bridge_slave_1 entered promiscuous mode [ 66.788903][ T4257] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.800174][ T4257] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.830545][ T4257] team0: Port device team_slave_0 added [ 66.838308][ T4257] team0: Port device team_slave_1 added [ 66.871260][ T4257] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.878245][ T4257] 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. [ 66.909113][ T4257] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.929699][ T4257] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.936674][ T4257] 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. [ 66.963352][ T4257] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.004209][ T4257] device hsr_slave_0 entered promiscuous mode [ 67.015668][ T4257] device hsr_slave_1 entered promiscuous mode [ 67.112523][ T4257] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.122608][ T4257] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.132175][ T4257] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.140889][ T4257] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.160575][ T4257] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.167709][ T4257] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.175588][ T4257] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.182672][ T4257] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.223570][ T4257] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.235879][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.246572][ T156] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.254717][ T156] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.267425][ T4257] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.279053][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.288084][ T156] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.295197][ T156] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.310907][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.319227][ T156] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.326335][ T156] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.343929][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.353785][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.364200][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.376598][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.387512][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.397879][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.524148][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.532034][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.547482][ T4257] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.583306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.592197][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.609344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.618876][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.630282][ T4257] device veth0_vlan entered promiscuous mode [ 67.636716][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.645360][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.675660][ T4257] device veth1_vlan entered promiscuous mode [ 67.694337][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.702679][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.711671][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.720300][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.730860][ T4257] device veth0_macvtap entered promiscuous mode [ 67.739368][ T4257] device veth1_macvtap entered promiscuous mode [ 67.773270][ T4257] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.782663][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.791348][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.799253][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.808209][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.818759][ T4257] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.828373][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.837219][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.848782][ T4257] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.857939][ T4257] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.867290][ T4257] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.876238][ T4257] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.080071][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.088071][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.097886][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.130289][ T156] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.138134][ T156] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.146233][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/06/02 07:49:44 executed programs: 0 [ 69.201661][ T4304] chnl_net:caif_netlink_parms(): no params data found [ 69.263184][ T4304] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.270704][ T4304] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.278781][ T4304] device bridge_slave_0 entered promiscuous mode [ 69.291408][ T4304] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.298550][ T4304] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.308081][ T4304] device bridge_slave_1 entered promiscuous mode [ 69.333317][ T4304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.346233][ T4304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.383761][ T4304] team0: Port device team_slave_0 added [ 69.391852][ T4304] team0: Port device team_slave_1 added [ 69.417724][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.424827][ T4304] 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. [ 69.454445][ T4304] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.467849][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.474965][ T4304] 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. [ 69.501337][ T4304] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.547690][ T4304] device hsr_slave_0 entered promiscuous mode [ 69.554675][ T4304] device hsr_slave_1 entered promiscuous mode [ 69.564437][ T4304] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.572887][ T4304] Cannot create hsr debugfs directory [ 69.657732][ T4304] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.110740][ T4214] Bluetooth: hci0: command 0x0409 tx timeout [ 71.432979][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.439396][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.916595][ T4304] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.970378][ T4304] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.055450][ T4304] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.189043][ T4304] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.196257][ T1108] Bluetooth: hci0: command 0x041b tx timeout [ 73.204977][ T4304] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.224871][ T4304] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.234826][ T4304] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.287284][ T4304] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.307744][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.315556][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.325615][ T4304] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.347759][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.356730][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.365614][ T156] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.372677][ T156] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.381680][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.392087][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.402005][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.410700][ T156] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.417733][ T156] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.430015][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.440905][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.467044][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.476433][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.486197][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.496812][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.505631][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.527754][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.537420][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.549334][ T4304] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.560584][ T4304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.569380][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.577852][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.682173][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.691145][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.703040][ T4304] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.732621][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.742885][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.767416][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.775864][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.784882][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.793056][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.804548][ T4304] device veth0_vlan entered promiscuous mode [ 73.828635][ T144] device hsr_slave_0 left promiscuous mode [ 73.836029][ T144] device hsr_slave_1 left promiscuous mode [ 73.843941][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.851813][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.862553][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.870098][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.877613][ T144] device bridge_slave_1 left promiscuous mode [ 73.884665][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.896706][ T144] device bridge_slave_0 left promiscuous mode [ 73.903134][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.919088][ T144] device veth1_macvtap left promiscuous mode [ 73.925578][ T144] device veth0_macvtap left promiscuous mode [ 73.932535][ T144] device veth1_vlan left promiscuous mode [ 73.938446][ T144] device veth0_vlan left promiscuous mode [ 74.087009][ T144] team0 (unregistering): Port device team_slave_1 removed [ 74.099221][ T144] team0 (unregistering): Port device team_slave_0 removed [ 74.114402][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.128458][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.182433][ T144] bond0 (unregistering): Released all slaves [ 74.224721][ T4304] device veth1_vlan entered promiscuous mode [ 74.247116][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.255471][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.263852][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.273000][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.284057][ T4304] device veth0_macvtap entered promiscuous mode [ 74.294947][ T4304] device veth1_macvtap entered promiscuous mode [ 74.311464][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.326983][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.340582][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.348741][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.357231][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.366851][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.375867][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.384765][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.396503][ T4304] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.405531][ T4304] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.414572][ T4304] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.423374][ T4304] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.485328][ T145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.494055][ T145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.503474][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.537635][ T156] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.545945][ T156] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.553980][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.614803][ T4317] input: syz0 as /devices/virtual/input/input5 [ 74.707623][ T23] [ 74.710004][ T23] ====================================================== [ 74.717038][ T23] WARNING: possible circular locking dependency detected [ 74.724070][ T23] syzkaller #0 Not tainted [ 74.728630][ T23] ------------------------------------------------------ [ 74.735668][ T23] kworker/1:1/23 is trying to acquire lock: [ 74.741582][ T23] ffff88807965d028 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xfa/0x210 [ 74.752668][ T23] [ 74.752668][ T23] but task is already holding lock: [ 74.760149][ T23] ffffffff8d6c73e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 74.769241][ T23] [ 74.769241][ T23] which lock already depends on the new lock. [ 74.769241][ T23] [ 74.779665][ T23] [ 74.779665][ T23] the existing dependency chain (in reverse order) is: [ 74.788707][ T23] [ 74.788707][ T23] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 74.796727][ T23] __mutex_lock_common+0x1e3/0x2400 [ 74.802479][ T23] mutex_lock_nested+0x17/0x20 [ 74.807782][ T23] rfkill_register+0x33/0x980 [ 74.813010][ T23] hci_register_dev+0x452/0x970 [ 74.818412][ T23] vhci_create_device+0x32c/0x5c0 [ 74.823985][ T23] vhci_write+0x391/0x450 [ 74.828856][ T23] vfs_write+0x745/0xd60 [ 74.833642][ T23] ksys_write+0x152/0x260 [ 74.838510][ T23] do_syscall_64+0x4c/0xa0 [ 74.843463][ T23] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.849897][ T23] [ 74.849897][ T23] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 74.857735][ T23] __mutex_lock_common+0x1e3/0x2400 [ 74.863675][ T23] mutex_lock_nested+0x17/0x20 [ 74.868984][ T23] vhci_send_frame+0x88/0x100 [ 74.874201][ T23] hci_send_frame+0x1a9/0x2e0 [ 74.879415][ T23] hci_tx_work+0x9f9/0x1710 [ 74.884455][ T23] process_one_work+0x85f/0x1010 [ 74.889929][ T23] worker_thread+0xaa6/0x1290 [ 74.895154][ T23] kthread+0x436/0x520 [ 74.899756][ T23] ret_from_fork+0x1f/0x30 [ 74.904710][ T23] [ 74.904710][ T23] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 74.913941][ T23] __flush_work+0x116/0x210 [ 74.918990][ T23] hci_dev_do_close+0x1e7/0x1030 [ 74.924478][ T23] hci_unregister_dev+0x2eb/0x590 [ 74.930041][ T23] vhci_release+0x73/0xc0 [ 74.934911][ T23] __fput+0x234/0x930 [ 74.939425][ T23] task_work_run+0x125/0x1a0 [ 74.944544][ T23] do_exit+0x626/0x20c0 [ 74.949232][ T23] do_group_exit+0x12e/0x300 [ 74.954356][ T23] get_signal+0x6d6/0x12d0 [ 74.959303][ T23] arch_do_signal_or_restart+0xe7/0x12c0 [ 74.965456][ T23] exit_to_user_mode_loop+0x9e/0x130 [ 74.971258][ T23] exit_to_user_mode_prepare+0xee/0x180 [ 74.977321][ T23] syscall_exit_to_user_mode+0x16/0x40 [ 74.983404][ T23] do_syscall_64+0x58/0xa0 [ 74.988338][ T23] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.994755][ T23] [ 74.994755][ T23] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 75.002398][ T23] __mutex_lock_common+0x1e3/0x2400 [ 75.008111][ T23] mutex_lock_nested+0x17/0x20 [ 75.013395][ T23] bg_scan_update+0x44/0x3b0 [ 75.018505][ T23] process_one_work+0x85f/0x1010 [ 75.023965][ T23] worker_thread+0xaa6/0x1290 [ 75.029172][ T23] kthread+0x436/0x520 [ 75.033758][ T23] ret_from_fork+0x1f/0x30 [ 75.038697][ T23] [ 75.038697][ T23] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 75.048509][ T23] __lock_acquire+0x2c42/0x7d10 [ 75.053876][ T23] lock_acquire+0x19e/0x400 [ 75.058905][ T23] __flush_work+0x116/0x210 [ 75.063926][ T23] __cancel_work_timer+0x3f4/0x560 [ 75.069554][ T23] hci_request_cancel_all+0xcc/0x300 [ 75.075360][ T23] hci_dev_do_close+0x4e/0x1030 [ 75.080732][ T23] hci_rfkill_set_block+0x10a/0x190 [ 75.086449][ T23] rfkill_set_block+0x1c9/0x3d0 [ 75.091816][ T23] rfkill_epo+0x75/0x170 [ 75.096578][ T23] rfkill_op_handler+0x76/0x220 [ 75.101946][ T23] process_one_work+0x85f/0x1010 [ 75.107404][ T23] worker_thread+0xaa6/0x1290 [ 75.112597][ T23] kthread+0x436/0x520 [ 75.117185][ T23] ret_from_fork+0x1f/0x30 [ 75.122119][ T23] [ 75.122119][ T23] other info that might help us debug this: [ 75.122119][ T23] [ 75.132340][ T23] Chain exists of: [ 75.132340][ T23] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 75.132340][ T23] [ 75.148067][ T23] Possible unsafe locking scenario: [ 75.148067][ T23] [ 75.155506][ T23] CPU0 CPU1 [ 75.160861][ T23] ---- ---- [ 75.166220][ T23] lock(rfkill_global_mutex); [ 75.170976][ T23] lock(&data->open_mutex); [ 75.178081][ T23] lock(rfkill_global_mutex); [ 75.185358][ T23] lock((work_completion)(&hdev->bg_scan_update)); [ 75.191944][ T23] [ 75.191944][ T23] *** DEADLOCK *** [ 75.191944][ T23] [ 75.200077][ T23] 3 locks held by kworker/1:1/23: [ 75.205091][ T23] #0: ffff888016c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x761/0x1010 [ 75.215440][ T23] #1: ffffc90000ddfd00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010 [ 75.225786][ T23] #2: ffffffff8d6c73e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 75.235380][ T23] [ 75.235380][ T23] stack backtrace: [ 75.241262][ T23] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted syzkaller #0 [ 75.248539][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 75.258588][ T23] Workqueue: events rfkill_op_handler [ 75.263961][ T23] Call Trace: [ 75.267241][ T23] [ 75.270168][ T23] dump_stack_lvl+0x188/0x250 [ 75.274843][ T23] ? load_image+0x400/0x400 [ 75.279347][ T23] ? show_regs_print_info+0x20/0x20 [ 75.284545][ T23] ? print_circular_bug+0x12b/0x1a0 [ 75.289746][ T23] check_noncircular+0x296/0x330 [ 75.294679][ T23] ? look_up_lock_class+0x71/0x110 [ 75.299818][ T23] ? add_chain_block+0x940/0x940 [ 75.304755][ T23] ? lockdep_lock+0xf1/0x1f0 [ 75.309350][ T23] ? __lock_acquire+0x12e8/0x7d10 [ 75.314379][ T23] ? mark_lock+0x94/0x320 [ 75.318702][ T23] __lock_acquire+0x2c42/0x7d10 [ 75.323557][ T23] ? verify_lock_unused+0x140/0x140 [ 75.328755][ T23] ? deref_stack_reg+0xd0/0x120 [ 75.333619][ T23] lock_acquire+0x19e/0x400 [ 75.338124][ T23] ? __flush_work+0xfa/0x210 [ 75.342709][ T23] ? __lock_acquire+0x7d10/0x7d10 [ 75.347733][ T23] ? read_lock_is_recursive+0x10/0x10 [ 75.353104][ T23] ? start_flush_work+0x776/0x820 [ 75.358127][ T23] __flush_work+0x116/0x210 [ 75.362625][ T23] ? __flush_work+0xfa/0x210 [ 75.367214][ T23] ? flush_work+0x20/0x20 [ 75.371535][ T23] ? try_to_grab_pending+0xfa/0x7f0 [ 75.376727][ T23] ? mark_lock+0x94/0x320 [ 75.381060][ T23] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 75.387041][ T23] ? lock_chain_count+0x20/0x20 [ 75.391896][ T23] ? mark_lock+0x94/0x320 [ 75.396230][ T23] ? __cancel_work_timer+0x36a/0x560 [ 75.401694][ T23] __cancel_work_timer+0x3f4/0x560 [ 75.406804][ T23] ? cancel_work_sync+0x20/0x20 [ 75.411650][ T23] ? __cancel_work+0x1f9/0x2e0 [ 75.416409][ T23] ? lockdep_hardirqs_on+0x94/0x140 [ 75.421609][ T23] ? __cancel_work+0x27b/0x2e0 [ 75.426374][ T23] ? cancel_work+0x20/0x20 [ 75.430791][ T23] hci_request_cancel_all+0xcc/0x300 [ 75.436084][ T23] hci_dev_do_close+0x4e/0x1030 [ 75.440937][ T23] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 75.446832][ T23] ? _raw_spin_unlock+0x40/0x40 [ 75.451681][ T23] hci_rfkill_set_block+0x10a/0x190 [ 75.456888][ T23] ? rcu_lock_release+0x20/0x20 [ 75.461742][ T23] rfkill_set_block+0x1c9/0x3d0 [ 75.466597][ T23] rfkill_epo+0x75/0x170 [ 75.470843][ T23] rfkill_op_handler+0x76/0x220 [ 75.475706][ T23] process_one_work+0x85f/0x1010 [ 75.480647][ T23] ? worker_detach_from_pool+0x240/0x240 [ 75.486280][ T23] ? lockdep_hardirqs_off+0x70/0x100 [ 75.491565][ T23] ? _raw_spin_lock_irq+0xb7/0xf0 [ 75.496585][ T23] ? _raw_spin_lock_irqsave+0x100/0x100 [ 75.502129][ T23] ? wq_worker_running+0x97/0x170 [ 75.507152][ T23] worker_thread+0xaa6/0x1290 [ 75.511838][ T23] kthread+0x436/0x520 [ 75.515932][ T23] ? rcu_lock_release+0x20/0x20 [ 75.520793][ T23] ? kthread_blkcg+0xd0/0xd0 [ 75.525383][ T23] ret_from_fork+0x1f/0x30 [ 75.529803][ T23]