Warning: Permanently added '10.128.1.160' (ED25519) to the list of known hosts. 2026/07/31 03:50:26 parsed 1 programs 2026/07/31 03:50:26 serving rpc on tcp://43325 [ 70.515692][ T4200] cgroup: Unknown subsys name 'net' [ 70.670417][ T4200] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 71.386929][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.393524][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.205410][ T4200] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 74.668949][ T4233] chnl_net:caif_netlink_parms(): no params data found [ 74.739456][ T4233] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.748149][ T4233] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.756763][ T4233] device bridge_slave_0 entered promiscuous mode [ 74.767814][ T4233] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.775118][ T4233] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.789883][ T4233] device bridge_slave_1 entered promiscuous mode [ 74.816716][ T4233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.828407][ T4233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.857732][ T4233] team0: Port device team_slave_0 added [ 74.866332][ T4233] team0: Port device team_slave_1 added [ 74.889862][ T4233] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.896921][ 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. [ 74.923529][ T4233] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.936959][ T4233] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.944205][ 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. [ 74.970398][ T4233] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.010209][ T4233] device hsr_slave_0 entered promiscuous mode [ 75.017368][ T4233] device hsr_slave_1 entered promiscuous mode [ 75.170897][ T4233] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.185088][ T4233] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.196907][ T4233] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.208460][ T4233] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.239761][ T4233] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.247082][ T4233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.255338][ T4233] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.262501][ T4233] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.326253][ T4233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.341753][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.355454][ T1184] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.366048][ T1184] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.374599][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.391593][ T4233] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.408746][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.419640][ T1184] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.426800][ T1184] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.446689][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.456646][ T1184] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.463787][ T1184] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.487865][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.498259][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.507965][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.521180][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.535310][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.548575][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.684610][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.693083][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.709129][ T4233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.729666][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.739524][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.762517][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.773147][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.782269][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.791546][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.805435][ T4233] device veth0_vlan entered promiscuous mode [ 75.821275][ T4233] device veth1_vlan entered promiscuous mode [ 75.860187][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.869562][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.879370][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.891202][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.909302][ T4233] device veth0_macvtap entered promiscuous mode [ 75.926206][ T4233] device veth1_macvtap entered promiscuous mode [ 75.961702][ T4233] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.970072][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.980678][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.990080][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.998961][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.012620][ T4233] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.022060][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.031913][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.044257][ T4233] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.053089][ T4233] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.062923][ T4233] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.071738][ T4233] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.158557][ T4233] syz-executor (4233) used greatest stack depth: 21008 bytes left [ 77.362527][ T1241] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.382568][ T1241] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.411052][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.428550][ T1241] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.437831][ T1241] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.447992][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/07/31 03:50:36 executed programs: 0 [ 78.595522][ T4301] chnl_net:caif_netlink_parms(): no params data found [ 78.647812][ T3053] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.680229][ T4301] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.687511][ T4301] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.696913][ T4301] device bridge_slave_0 entered promiscuous mode [ 78.705139][ T4301] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.712281][ T4301] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.720514][ T4301] device bridge_slave_1 entered promiscuous mode [ 78.740826][ T4301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.752559][ T4301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.775932][ T4301] team0: Port device team_slave_0 added [ 78.785203][ T4301] team0: Port device team_slave_1 added [ 78.802014][ T4301] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.809081][ T4301] 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. [ 78.835329][ T4301] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.848153][ T4301] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.855452][ T4301] 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. [ 78.881759][ T4301] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.920921][ T4301] device hsr_slave_0 entered promiscuous mode [ 78.928499][ T4301] device hsr_slave_1 entered promiscuous mode [ 78.935494][ T4301] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.943528][ T4301] Cannot create hsr debugfs directory [ 80.504199][ T4255] Bluetooth: hci0: command 0x0409 tx timeout [ 80.862283][ T3053] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.928685][ T3053] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.971165][ T3053] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.767884][ T4301] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.778233][ T4301] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.789328][ T4301] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.800053][ T4301] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.900286][ T4301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.913073][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.921302][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.935538][ T4301] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.955477][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.964567][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.974552][ T1184] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.981632][ T1184] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.990461][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.001108][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.010264][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.019494][ T1241] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.026654][ T1241] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.058914][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.072514][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.084266][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.094972][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.106736][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.115075][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.124813][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.137888][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.148148][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.159656][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.168602][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.201893][ T4301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.345166][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.353128][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.366747][ T4301] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.402633][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.411822][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.451380][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.460572][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.471843][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.479982][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.491139][ T4301] device veth0_vlan entered promiscuous mode [ 82.509777][ T4301] device veth1_vlan entered promiscuous mode [ 82.544885][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.553085][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.562656][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 82.572858][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.596452][ T4253] Bluetooth: hci0: command 0x041b tx timeout [ 82.602570][ T4301] device veth0_macvtap entered promiscuous mode [ 82.616837][ T3053] device hsr_slave_0 left promiscuous mode [ 82.623911][ T3053] device hsr_slave_1 left promiscuous mode [ 82.630421][ T3053] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 82.638288][ T3053] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 82.648936][ T3053] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 82.657212][ T3053] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 82.665796][ T3053] device bridge_slave_1 left promiscuous mode [ 82.672805][ T3053] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.689478][ T3053] device bridge_slave_0 left promiscuous mode [ 82.695890][ T3053] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.716908][ T3053] device veth1_macvtap left promiscuous mode [ 82.723241][ T3053] device veth0_macvtap left promiscuous mode [ 82.729640][ T3053] device veth1_vlan left promiscuous mode [ 82.735870][ T3053] device veth0_vlan left promiscuous mode [ 82.941726][ T3053] team0 (unregistering): Port device team_slave_1 removed [ 82.957676][ T3053] team0 (unregistering): Port device team_slave_0 removed [ 82.972582][ T3053] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.989641][ T3053] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 83.049171][ T3053] bond0 (unregistering): Released all slaves [ 83.119504][ T4301] device veth1_macvtap entered promiscuous mode [ 83.129375][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.138427][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.169505][ T4301] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.179077][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.190955][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.202876][ T4301] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.215472][ T4301] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.224874][ T4301] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.234114][ T4301] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.242872][ T4301] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.255266][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.265181][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.345383][ T1241] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.357361][ T1241] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.367582][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 83.399768][ T1184] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.409069][ T1184] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.418121][ T1184] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 83.457487][ T4341] input: syz0 as /devices/virtual/input/input5 [ 83.525619][ T4253] [ 83.528016][ T4253] ====================================================== [ 83.535058][ T4253] WARNING: possible circular locking dependency detected [ 83.542115][ T4253] syzkaller #0 Not tainted [ 83.546554][ T4253] ------------------------------------------------------ [ 83.553592][ T4253] kworker/0:12/4253 is trying to acquire lock: [ 83.559758][ T4253] ffff8880790ed028 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xfa/0x210 [ 83.570845][ T4253] [ 83.570845][ T4253] but task is already holding lock: [ 83.578224][ T4253] ffffffff8d6d5ea8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 83.587297][ T4253] [ 83.587297][ T4253] which lock already depends on the new lock. [ 83.587297][ T4253] [ 83.597738][ T4253] [ 83.597738][ T4253] the existing dependency chain (in reverse order) is: [ 83.606769][ T4253] [ 83.606769][ T4253] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 83.614789][ T4253] __mutex_lock_common+0x1e5/0x2400 [ 83.620548][ T4253] mutex_lock_nested+0x17/0x20 [ 83.625858][ T4253] rfkill_register+0x2f/0x970 [ 83.631077][ T4253] hci_register_dev+0x459/0x980 [ 83.636471][ T4253] vhci_create_device+0x32e/0x5c0 [ 83.642037][ T4253] vhci_write+0x389/0x440 [ 83.646918][ T4253] vfs_write+0x748/0xd70 [ 83.651705][ T4253] ksys_write+0x153/0x260 [ 83.656589][ T4253] do_syscall_64+0x4c/0xa0 [ 83.661566][ T4253] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.668003][ T4253] [ 83.668003][ T4253] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 83.675840][ T4253] __mutex_lock_common+0x1e5/0x2400 [ 83.681588][ T4253] mutex_lock_nested+0x17/0x20 [ 83.686893][ T4253] vhci_send_frame+0x88/0x100 [ 83.692498][ T4253] hci_send_frame+0x1a9/0x2e0 [ 83.697840][ T4253] hci_tx_work+0x9b5/0x16d0 [ 83.703022][ T4253] process_one_work+0x867/0xff0 [ 83.708427][ T4253] worker_thread+0xad7/0x12a0 [ 83.713660][ T4253] kthread+0x42e/0x520 [ 83.718293][ T4253] ret_from_fork+0x1f/0x30 [ 83.723257][ T4253] [ 83.723257][ T4253] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 83.732505][ T4253] __flush_work+0x116/0x210 [ 83.738713][ T4253] hci_dev_do_close+0x201/0x1020 [ 83.744903][ T4253] hci_unregister_dev+0x2eb/0x590 [ 83.750497][ T4253] vhci_release+0x73/0xc0 [ 83.755375][ T4253] __fput+0x212/0x8c0 [ 83.759900][ T4253] task_work_run+0x125/0x1a0 [ 83.765032][ T4253] do_exit+0x635/0x2110 [ 83.769721][ T4253] do_group_exit+0x12c/0x2f0 [ 83.774866][ T4253] get_signal+0x7eb/0x12e0 [ 83.779833][ T4253] arch_do_signal_or_restart+0xe6/0x12a0 [ 83.786027][ T4253] exit_to_user_mode_loop+0x9e/0x130 [ 83.791853][ T4253] exit_to_user_mode_prepare+0xee/0x180 [ 83.797959][ T4253] syscall_exit_to_user_mode+0x16/0x40 [ 83.803981][ T4253] do_syscall_64+0x58/0xa0 [ 83.808957][ T4253] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.815394][ T4253] [ 83.815394][ T4253] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 83.823054][ T4253] __mutex_lock_common+0x1e5/0x2400 [ 83.828799][ T4253] mutex_lock_nested+0x17/0x20 [ 83.834344][ T4253] bg_scan_update+0x44/0x3b0 [ 83.839570][ T4253] process_one_work+0x867/0xff0 [ 83.844957][ T4253] worker_thread+0xad7/0x12a0 [ 83.850177][ T4253] kthread+0x42e/0x520 [ 83.854783][ T4253] ret_from_fork+0x1f/0x30 [ 83.859740][ T4253] [ 83.859740][ T4253] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 83.869574][ T4253] __lock_acquire+0x2c66/0x7b50 [ 83.874992][ T4253] lock_acquire+0x19e/0x400 [ 83.880035][ T4253] __flush_work+0x116/0x210 [ 83.885119][ T4253] __cancel_work_timer+0x3f4/0x560 [ 83.890778][ T4253] hci_request_cancel_all+0xcc/0x300 [ 83.896602][ T4253] hci_dev_do_close+0x4e/0x1020 [ 83.901993][ T4253] hci_rfkill_set_block+0x101/0x180 [ 83.907728][ T4253] rfkill_set_block+0x1c1/0x3c0 [ 83.913118][ T4253] rfkill_epo+0x75/0x170 [ 83.917900][ T4253] rfkill_op_handler+0x76/0x220 [ 83.923292][ T4253] process_one_work+0x867/0xff0 [ 83.928697][ T4253] worker_thread+0xad7/0x12a0 [ 83.933917][ T4253] kthread+0x42e/0x520 [ 83.938535][ T4253] ret_from_fork+0x1f/0x30 [ 83.943497][ T4253] [ 83.943497][ T4253] other info that might help us debug this: [ 83.943497][ T4253] [ 83.953823][ T4253] Chain exists of: [ 83.953823][ T4253] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 83.953823][ T4253] [ 83.969571][ T4253] Possible unsafe locking scenario: [ 83.969571][ T4253] [ 83.977038][ T4253] CPU0 CPU1 [ 83.982433][ T4253] ---- ---- [ 83.987814][ T4253] lock(rfkill_global_mutex); [ 83.992616][ T4253] lock(&data->open_mutex); [ 83.999836][ T4253] lock(rfkill_global_mutex); [ 84.007133][ T4253] lock((work_completion)(&hdev->bg_scan_update)); [ 84.013734][ T4253] [ 84.013734][ T4253] *** DEADLOCK *** [ 84.013734][ T4253] [ 84.021891][ T4253] 3 locks held by kworker/0:12/4253: [ 84.027191][ T4253] #0: ffff888016c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0 [ 84.037572][ T4253] #1: ffffc90002fcfd00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0 [ 84.047863][ T4253] #2: ffffffff8d6d5ea8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 84.057389][ T4253] [ 84.057389][ T4253] stack backtrace: [ 84.063309][ T4253] CPU: 0 PID: 4253 Comm: kworker/0:12 Not tainted syzkaller #0 [ 84.070873][ T4253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 84.080948][ T4253] Workqueue: events rfkill_op_handler [ 84.086355][ T4253] Call Trace: [ 84.089653][ T4253] [ 84.092607][ T4253] dump_stack_lvl+0x188/0x250 [ 84.097330][ T4253] ? load_image+0x410/0x410 [ 84.101860][ T4253] ? show_regs_print_info+0x20/0x20 [ 84.107087][ T4253] ? print_circular_bug+0x12b/0x1a0 [ 84.112421][ T4253] check_noncircular+0x296/0x330 [ 84.117410][ T4253] ? look_up_lock_class+0x71/0x110 [ 84.122562][ T4253] ? add_chain_block+0x9b0/0x9b0 [ 84.127512][ T4253] ? lockdep_lock+0xf1/0x1f0 [ 84.132126][ T4253] ? __lock_acquire+0x1305/0x7b50 [ 84.137166][ T4253] ? mark_lock+0x94/0x320 [ 84.141527][ T4253] ? _find_first_zero_bit+0xd1/0xf0 [ 84.146761][ T4253] __lock_acquire+0x2c66/0x7b50 [ 84.151646][ T4253] ? verify_lock_unused+0x140/0x140 [ 84.156892][ T4253] ? verify_lock_unused+0x140/0x140 [ 84.162123][ T4253] lock_acquire+0x19e/0x400 [ 84.166647][ T4253] ? __flush_work+0xfa/0x210 [ 84.171258][ T4253] ? __lock_acquire+0x7b50/0x7b50 [ 84.176302][ T4253] ? read_lock_is_recursive+0x10/0x10 [ 84.181699][ T4253] ? start_flush_work+0x784/0x830 [ 84.186747][ T4253] __flush_work+0x116/0x210 [ 84.191271][ T4253] ? __flush_work+0xfa/0x210 [ 84.195879][ T4253] ? flush_work+0x20/0x20 [ 84.200223][ T4253] ? try_to_grab_pending+0xfb/0x820 [ 84.205447][ T4253] ? mark_lock+0x94/0x320 [ 84.209790][ T4253] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.215801][ T4253] ? lock_chain_count+0x20/0x20 [ 84.220705][ T4253] ? mark_lock+0x94/0x320 [ 84.225055][ T4253] ? __cancel_work_timer+0x36a/0x560 [ 84.230357][ T4253] __cancel_work_timer+0x3f4/0x560 [ 84.235486][ T4253] ? cancel_work_sync+0x20/0x20 [ 84.240353][ T4253] ? __cancel_work+0x1f9/0x2e0 [ 84.245137][ T4253] ? lockdep_hardirqs_on+0x94/0x140 [ 84.250356][ T4253] ? __cancel_work+0x27b/0x2e0 [ 84.255161][ T4253] ? cancel_work+0x20/0x20 [ 84.259597][ T4253] ? __rwlock_init+0x140/0x140 [ 84.264384][ T4253] hci_request_cancel_all+0xcc/0x300 [ 84.269700][ T4253] hci_dev_do_close+0x4e/0x1020 [ 84.274613][ T4253] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 84.280536][ T4253] ? _raw_spin_unlock+0x40/0x40 [ 84.285408][ T4253] hci_rfkill_set_block+0x101/0x180 [ 84.290635][ T4253] ? rcu_lock_release+0x20/0x20 [ 84.295528][ T4253] rfkill_set_block+0x1c1/0x3c0 [ 84.300403][ T4253] rfkill_epo+0x75/0x170 [ 84.304663][ T4253] rfkill_op_handler+0x76/0x220 [ 84.309535][ T4253] process_one_work+0x867/0xff0 [ 84.314415][ T4253] ? worker_detach_from_pool+0x240/0x240 [ 84.320110][ T4253] ? lockdep_hardirqs_off+0x70/0x100 [ 84.325421][ T4253] ? _raw_spin_lock_irq+0xb7/0xf0 [ 84.330466][ T4253] ? _raw_spin_lock_irqsave+0x100/0x100 [ 84.336067][ T4253] ? wq_worker_running+0x97/0x170 [ 84.341215][ T4253] worker_thread+0xad7/0x12a0 [ 84.345935][ T4253] kthread+0x42e/0x520 [ 84.350028][ T4253] ? rcu_lock_release+0x20/0x20 [ 84.354903][ T4253] ? kthread_blkcg+0xd0/0xd0 [ 84.359519][ T4253] ret_from_fork+0x1f/0x30 [ 84.364084][ T4253]