Warning: Permanently added '10.128.1.85' (ED25519) to the list of known hosts. 2025/11/13 10:15:54 parsed 1 programs [ 55.404633][ T4188] cgroup: Unknown subsys name 'net' [ 55.508519][ T4188] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 56.729447][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 58.720151][ T4221] chnl_net:caif_netlink_parms(): no params data found [ 58.785626][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.793391][ T4221] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.801668][ T4221] device bridge_slave_0 entered promiscuous mode [ 58.812880][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.820329][ T4221] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.829843][ T4221] device bridge_slave_1 entered promiscuous mode [ 58.859493][ T4221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.871919][ T4221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.902051][ T4221] team0: Port device team_slave_0 added [ 58.911758][ T4221] team0: Port device team_slave_1 added [ 58.936370][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.944571][ T4221] 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. [ 58.970815][ T4221] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.984022][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.990978][ T4221] 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. [ 59.016955][ T4221] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.054037][ T4221] device hsr_slave_0 entered promiscuous mode [ 59.061441][ T4221] device hsr_slave_1 entered promiscuous mode [ 59.182070][ T4221] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.194387][ T4221] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.204395][ T4221] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.214419][ T4221] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.246670][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.253918][ T4221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.261934][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.269066][ T4221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.330734][ T4221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.344451][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.357354][ T1271] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.367094][ T1271] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.375544][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.390582][ T4221] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.402950][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.412127][ T1271] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.419246][ T1271] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.438923][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.448744][ T1271] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.455894][ T1271] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.475490][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.486520][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.497072][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.514732][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.524437][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.535764][ T4221] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.650804][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.659652][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.672710][ T4221] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.693570][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.715396][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.725777][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.738245][ T4221] device veth0_vlan entered promiscuous mode [ 59.746353][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.755901][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.768957][ T4221] device veth1_vlan entered promiscuous mode [ 59.788484][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.796755][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.805645][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.814487][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.825602][ T4221] device veth0_macvtap entered promiscuous mode [ 59.838348][ T4221] device veth1_macvtap entered promiscuous mode [ 59.865548][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.873872][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.884765][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.895261][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.904090][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.917794][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.927920][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.937846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.952285][ T4221] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.961435][ T4221] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.971103][ T4221] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.979913][ T4221] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.059959][ T4221] syz-executor (4221) used greatest stack depth: 20960 bytes left [ 60.120989][ T1271] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.134540][ T1271] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.145477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.162568][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.171237][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.190047][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/11/13 10:16:02 executed programs: 0 [ 61.955757][ T4288] chnl_net:caif_netlink_parms(): no params data found [ 62.015489][ T4288] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.022637][ T4288] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.030450][ T4288] device bridge_slave_0 entered promiscuous mode [ 62.038433][ T4288] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.046659][ T4288] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.054433][ T4288] device bridge_slave_1 entered promiscuous mode [ 62.074612][ T4288] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.086770][ T4288] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.112552][ T4288] team0: Port device team_slave_0 added [ 62.121214][ T4288] team0: Port device team_slave_1 added [ 62.142865][ T4288] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.150357][ T4288] 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. [ 62.176430][ T4288] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.196121][ T1158] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.209493][ T4288] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.216568][ T4288] 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. [ 62.242774][ T4288] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.268674][ T4288] device hsr_slave_0 entered promiscuous mode [ 62.275682][ T4288] device hsr_slave_1 entered promiscuous mode [ 62.282485][ T4288] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.290870][ T4288] Cannot create hsr debugfs directory [ 63.843824][ T1325] Bluetooth: hci0: command 0x0409 tx timeout [ 64.808940][ T1158] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.857554][ T1158] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.930621][ T1158] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.886305][ T4288] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.897676][ T4288] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.909340][ T4288] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.923624][ T4288] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.924256][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 66.035845][ T4288] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.082348][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.096878][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.107773][ T4288] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.119046][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.128546][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.137305][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.144398][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.152657][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.169342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.178161][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.187101][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.194217][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.228821][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.237399][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.247346][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.256261][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.265276][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.274296][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.282682][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.291366][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.300024][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.310672][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.319394][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.329616][ T4288] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.442134][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.450306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.479580][ T4288] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.498570][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.507291][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.537305][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.546149][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.555735][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.564433][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.574744][ T4288] device veth0_vlan entered promiscuous mode [ 66.602224][ T4288] device veth1_vlan entered promiscuous mode [ 66.618759][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.628520][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.636663][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.645577][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.657195][ T4288] device veth0_macvtap entered promiscuous mode [ 66.672249][ T4288] device veth1_macvtap entered promiscuous mode [ 66.696922][ T4288] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.708453][ T4288] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.719667][ T4288] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.727517][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.737564][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.745707][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.754409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.764713][ T4288] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.775244][ T4288] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.787154][ T4288] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.798047][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.812217][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.823960][ T4288] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.832680][ T4288] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.842289][ T4288] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.851656][ T4288] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.867720][ T1158] device hsr_slave_0 left promiscuous mode [ 66.874242][ T1158] device hsr_slave_1 left promiscuous mode [ 66.880552][ T1158] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 66.888626][ T1158] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 66.896790][ T1158] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 66.904247][ T1158] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 66.911804][ T1158] device bridge_slave_1 left promiscuous mode [ 66.918826][ T1158] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.931364][ T1158] device bridge_slave_0 left promiscuous mode [ 66.938085][ T1158] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.954328][ T1158] device veth1_macvtap left promiscuous mode [ 66.960618][ T1158] device veth0_macvtap left promiscuous mode [ 66.969064][ T1158] device veth1_vlan left promiscuous mode [ 66.975101][ T1158] device veth0_vlan left promiscuous mode [ 67.117055][ T1158] team0 (unregistering): Port device team_slave_1 removed [ 67.130041][ T1158] team0 (unregistering): Port device team_slave_0 removed [ 67.142815][ T1158] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.157673][ T1158] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.208643][ T1158] bond0 (unregistering): Released all slaves [ 67.332937][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.348461][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.351747][ T1271] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.357930][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.388058][ T1271] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.397428][ T1271] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.432950][ T4382] input: syz0 as /devices/virtual/input/input5 [ 67.506880][ T7] [ 67.509236][ T7] ====================================================== [ 67.516242][ T7] WARNING: possible circular locking dependency detected [ 67.523243][ T7] syzkaller #0 Not tainted [ 67.527629][ T7] ------------------------------------------------------ [ 67.534615][ T7] kworker/0:0/7 is trying to acquire lock: [ 67.540393][ T7] ffff8880244f0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 67.551429][ T7] [ 67.551429][ T7] but task is already holding lock: [ 67.558773][ T7] ffffffff8d4c0f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 67.567804][ T7] [ 67.567804][ T7] which lock already depends on the new lock. [ 67.567804][ T7] [ 67.578185][ T7] [ 67.578185][ T7] the existing dependency chain (in reverse order) is: [ 67.587173][ T7] [ 67.587173][ T7] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.595142][ T7] __mutex_lock_common+0x1eb/0x2390 [ 67.600845][ T7] mutex_lock_nested+0x17/0x20 [ 67.606109][ T7] rfkill_register+0x33/0x8a0 [ 67.611290][ T7] hci_register_dev+0x452/0x970 [ 67.616639][ T7] vhci_create_device+0x32c/0x5c0 [ 67.622164][ T7] vhci_write+0x391/0x450 [ 67.627005][ T7] vfs_write+0x712/0xd00 [ 67.631746][ T7] ksys_write+0x14d/0x250 [ 67.636574][ T7] do_syscall_64+0x4c/0xa0 [ 67.641491][ T7] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.647885][ T7] [ 67.647885][ T7] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.655677][ T7] __mutex_lock_common+0x1eb/0x2390 [ 67.661375][ T7] mutex_lock_nested+0x17/0x20 [ 67.666643][ T7] vhci_send_frame+0x88/0x100 [ 67.671817][ T7] hci_send_frame+0x1a9/0x2e0 [ 67.676995][ T7] hci_tx_work+0x9f9/0x1710 [ 67.681996][ T7] process_one_work+0x863/0x1000 [ 67.687434][ T7] worker_thread+0xaa8/0x12a0 [ 67.692618][ T7] kthread+0x436/0x520 [ 67.697186][ T7] ret_from_fork+0x1f/0x30 [ 67.702109][ T7] [ 67.702109][ T7] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.711288][ T7] __flush_work+0xdd/0x1b0 [ 67.716203][ T7] hci_dev_do_close+0x1e7/0x1030 [ 67.721642][ T7] hci_unregister_dev+0x2d7/0x580 [ 67.727163][ T7] vhci_release+0x73/0xc0 [ 67.731993][ T7] __fput+0x234/0x930 [ 67.736477][ T7] task_work_run+0x125/0x1a0 [ 67.741578][ T7] do_exit+0x61e/0x20a0 [ 67.746237][ T7] do_group_exit+0x12e/0x300 [ 67.751327][ T7] get_signal+0x6ca/0x12c0 [ 67.756238][ T7] arch_do_signal_or_restart+0xc1/0x1300 [ 67.762377][ T7] exit_to_user_mode_loop+0x9e/0x130 [ 67.768163][ T7] exit_to_user_mode_prepare+0xee/0x180 [ 67.774219][ T7] syscall_exit_to_user_mode+0x16/0x40 [ 67.780178][ T7] do_syscall_64+0x58/0xa0 [ 67.785096][ T7] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.791491][ T7] [ 67.791491][ T7] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.799110][ T7] __mutex_lock_common+0x1eb/0x2390 [ 67.804808][ T7] mutex_lock_nested+0x17/0x20 [ 67.810073][ T7] bg_scan_update+0x44/0x3b0 [ 67.815162][ T7] process_one_work+0x863/0x1000 [ 67.820600][ T7] worker_thread+0xaa8/0x12a0 [ 67.825775][ T7] kthread+0x436/0x520 [ 67.830339][ T7] ret_from_fork+0x1f/0x30 [ 67.835261][ T7] [ 67.835261][ T7] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.845050][ T7] __lock_acquire+0x2c33/0x7c60 [ 67.850406][ T7] lock_acquire+0x197/0x3f0 [ 67.855415][ T7] __flush_work+0xdd/0x1b0 [ 67.860331][ T7] __cancel_work_timer+0x3ac/0x520 [ 67.865944][ T7] hci_request_cancel_all+0xcc/0x300 [ 67.871732][ T7] hci_dev_do_close+0x4e/0x1030 [ 67.877081][ T7] hci_rfkill_set_block+0x10a/0x190 [ 67.882779][ T7] rfkill_set_block+0x1c6/0x420 [ 67.888130][ T7] rfkill_epo+0x75/0x170 [ 67.892872][ T7] rfkill_op_handler+0x76/0x220 [ 67.898224][ T7] process_one_work+0x863/0x1000 [ 67.903662][ T7] worker_thread+0xaa8/0x12a0 [ 67.908840][ T7] kthread+0x436/0x520 [ 67.913407][ T7] ret_from_fork+0x1f/0x30 [ 67.918325][ T7] [ 67.918325][ T7] other info that might help us debug this: [ 67.918325][ T7] [ 67.928525][ T7] Chain exists of: [ 67.928525][ T7] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.928525][ T7] [ 67.944223][ T7] Possible unsafe locking scenario: [ 67.944223][ T7] [ 67.951649][ T7] CPU0 CPU1 [ 67.956992][ T7] ---- ---- [ 67.962333][ T7] lock(rfkill_global_mutex); [ 67.967077][ T7] lock(&data->open_mutex); [ 67.974164][ T7] lock(rfkill_global_mutex); [ 67.981424][ T7] lock((work_completion)(&hdev->bg_scan_update)); [ 67.987988][ T7] [ 67.987988][ T7] *** DEADLOCK *** [ 67.987988][ T7] [ 67.996214][ T7] 3 locks held by kworker/0:0/7: [ 68.001139][ T7] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 68.011491][ T7] #1: ffffc90000cc7d00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 68.021836][ T7] #2: ffffffff8d4c0f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 68.031308][ T7] [ 68.031308][ T7] stack backtrace: [ 68.037186][ T7] CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted syzkaller #0 [ 68.044371][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 68.054406][ T7] Workqueue: events rfkill_op_handler [ 68.059795][ T7] Call Trace: [ 68.063081][ T7] [ 68.066008][ T7] dump_stack_lvl+0x168/0x230 [ 68.070681][ T7] ? load_image+0x3b0/0x3b0 [ 68.075168][ T7] ? show_regs_print_info+0x20/0x20 [ 68.080374][ T7] ? print_circular_bug+0x12b/0x1a0 [ 68.085568][ T7] check_noncircular+0x274/0x310 [ 68.090500][ T7] ? add_chain_block+0x940/0x940 [ 68.095424][ T7] ? lockdep_lock+0xdc/0x1e0 [ 68.100003][ T7] ? __lock_acquire+0x12d9/0x7c60 [ 68.105033][ T7] ? lockdep_lock+0x1e0/0x1e0 [ 68.109708][ T7] ? mark_lock+0x94/0x320 [ 68.114017][ T7] __lock_acquire+0x2c33/0x7c60 [ 68.118860][ T7] ? verify_lock_unused+0x140/0x140 [ 68.124039][ T7] ? verify_lock_unused+0x140/0x140 [ 68.129219][ T7] ? ret_from_fork+0x1e/0x30 [ 68.133792][ T7] lock_acquire+0x197/0x3f0 [ 68.138276][ T7] ? __flush_work+0xc1/0x1b0 [ 68.142849][ T7] ? __lock_acquire+0x7c60/0x7c60 [ 68.147855][ T7] ? read_lock_is_recursive+0x10/0x10 [ 68.153211][ T7] ? start_flush_work+0x776/0x820 [ 68.158216][ T7] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 68.164087][ T7] __flush_work+0xdd/0x1b0 [ 68.168483][ T7] ? __flush_work+0xc1/0x1b0 [ 68.173049][ T7] ? flush_work+0x20/0x20 [ 68.177359][ T7] ? try_to_grab_pending+0xf3/0x7e0 [ 68.182539][ T7] ? lockdep_hardirqs_off+0x70/0x100 [ 68.187968][ T7] ? mark_lock+0x94/0x320 [ 68.192294][ T7] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 68.198260][ T7] ? lock_chain_count+0x20/0x20 [ 68.203094][ T7] ? lockdep_hardirqs_off+0x70/0x100 [ 68.208360][ T7] ? mark_lock+0x94/0x320 [ 68.212674][ T7] ? __cancel_work_timer+0x331/0x520 [ 68.217945][ T7] __cancel_work_timer+0x3ac/0x520 [ 68.223039][ T7] ? cancel_work_sync+0x20/0x20 [ 68.227870][ T7] ? __cancel_work+0x1f4/0x2d0 [ 68.232612][ T7] ? lockdep_hardirqs_on+0x94/0x140 [ 68.237789][ T7] ? __cancel_work+0x26f/0x2d0 [ 68.242536][ T7] ? cancel_work+0x20/0x20 [ 68.246930][ T7] hci_request_cancel_all+0xcc/0x300 [ 68.252224][ T7] hci_dev_do_close+0x4e/0x1030 [ 68.257073][ T7] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 68.262954][ T7] ? _raw_spin_unlock+0x40/0x40 [ 68.267794][ T7] ? kobject_uevent_env+0x371/0x890 [ 68.272979][ T7] hci_rfkill_set_block+0x10a/0x190 [ 68.278159][ T7] ? rcu_lock_release+0x20/0x20 [ 68.282991][ T7] rfkill_set_block+0x1c6/0x420 [ 68.287827][ T7] rfkill_epo+0x75/0x170 [ 68.292051][ T7] rfkill_op_handler+0x76/0x220 [ 68.296882][ T7] process_one_work+0x863/0x1000 [ 68.301805][ T7] ? worker_detach_from_pool+0x240/0x240 [ 68.307418][ T7] ? lockdep_hardirqs_off+0x70/0x100 [ 68.312685][ T7] ? _raw_spin_lock_irq+0xab/0xe0 [ 68.317685][ T7] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 68.323034][ T7] ? wq_worker_running+0x97/0x170 [ 68.328040][ T7] worker_thread+0xaa8/0x12a0 [ 68.332704][ T7] kthread+0x436/0x520 [ 68.336753][ T7] ? rcu_lock_release+0x20/0x20 [ 68.341581][ T7] ? kthread_blkcg+0xd0/0xd0 [ 68.346151][ T7] ret_from_fork+0x1f/0x30 [ 68.350553][ T7] [ 68.417572][ T4239] Bluetooth: hci0: command 0x040f tx timeout