Warning: Permanently added '10.128.0.99' (ED25519) to the list of known hosts. 2026/01/15 20:24:44 parsed 1 programs [ 59.641025][ T4192] cgroup: Unknown subsys name 'net' [ 59.773460][ T4192] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 60.986398][ T4192] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 63.714928][ T1279] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.733403][ T1279] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.751202][ T299] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.770359][ T299] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.779775][ T299] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.789836][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.091787][ T154] ODEBUG: Out of memory. ODEBUG disabled [ 64.110927][ T4246] chnl_net:caif_netlink_parms(): no params data found [ 64.247508][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.255086][ T4246] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.263388][ T4246] device bridge_slave_0 entered promiscuous mode [ 64.281060][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.288642][ T4246] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.297069][ T4246] device bridge_slave_1 entered promiscuous mode [ 64.319370][ T4246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.329832][ T4246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.349494][ T4246] team0: Port device team_slave_0 added [ 64.357941][ T4246] team0: Port device team_slave_1 added [ 64.373755][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.380803][ T4246] 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. [ 64.406998][ T4246] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.419383][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.426410][ T4246] 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. [ 64.452509][ T4246] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.478176][ T4246] device hsr_slave_0 entered promiscuous mode [ 64.484806][ T4246] device hsr_slave_1 entered promiscuous mode [ 64.555467][ T4246] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.565014][ T4246] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.574062][ T4246] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.582749][ T4246] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.603830][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.611018][ T4246] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.618707][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.625783][ T4246] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.660946][ T4246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.673152][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.682600][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.691164][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.703639][ T4246] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.716146][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.724488][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.731583][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.760630][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.769973][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.778920][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.786020][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.798272][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.823643][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.834499][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.843987][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.862268][ T4246] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.873477][ T4246] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.885593][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.893368][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.901977][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.910358][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.918961][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.928265][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.937014][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.945172][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.042669][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.050212][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.061343][ T4246] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.077044][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.085926][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.115830][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.124079][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.133726][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.141776][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.152093][ T4246] device veth0_vlan entered promiscuous mode [ 65.180307][ T4246] device veth1_vlan entered promiscuous mode [ 65.196384][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.204339][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.212693][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.222944][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.234036][ T4246] device veth0_macvtap entered promiscuous mode [ 65.259090][ T4246] device veth1_macvtap entered promiscuous mode [ 65.272050][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.280418][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.289460][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.297512][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.306323][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.317646][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.324954][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.334548][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.361740][ T4246] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.371263][ T4246] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.380141][ T4246] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.388858][ T4246] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.467540][ T4246] syz-executor (4246) used greatest stack depth: 20800 bytes left 2026/01/15 20:24:52 executed programs: 0 [ 66.406766][ T4296] chnl_net:caif_netlink_parms(): no params data found [ 66.464619][ T4296] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.473147][ T4296] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.482340][ T4296] device bridge_slave_0 entered promiscuous mode [ 66.491661][ T4296] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.499900][ T4296] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.509213][ T4296] device bridge_slave_1 entered promiscuous mode [ 66.535247][ T4296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.546515][ T4296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.572475][ T4296] team0: Port device team_slave_0 added [ 66.580357][ T4296] team0: Port device team_slave_1 added [ 66.601912][ T4296] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.609155][ T4296] 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. [ 66.636118][ T4296] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.648573][ T4296] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.655658][ T4296] 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. [ 66.681774][ T4296] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.717947][ T4296] device hsr_slave_0 entered promiscuous mode [ 66.724729][ T4296] device hsr_slave_1 entered promiscuous mode [ 66.731745][ T4296] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.739861][ T4296] Cannot create hsr debugfs directory [ 66.827509][ T4296] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.366078][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 70.230737][ T4296] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.446126][ T1325] Bluetooth: hci0: command 0x041b tx timeout [ 70.849372][ T4296] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.902094][ T4296] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.966960][ T4296] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.976777][ T4296] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.985554][ T4296] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.993944][ T4296] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.034895][ T4296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.046916][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.054602][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.065040][ T4296] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.074123][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.082863][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.091570][ T4273] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.098652][ T4273] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.124573][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.132529][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.141212][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.151724][ T4273] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.158886][ T4273] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.167916][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.176702][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.185713][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.194283][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.202846][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.211693][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.220428][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.230519][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.239125][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.257471][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.263978][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.272356][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.281244][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.292358][ T4296] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.372652][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.380317][ T1279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.392388][ T4296] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.410224][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.419080][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.441528][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.449828][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.460252][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.468172][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.477664][ T4296] device veth0_vlan entered promiscuous mode [ 71.498172][ T4296] device veth1_vlan entered promiscuous mode [ 71.513423][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.522375][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.530612][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.539430][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.550119][ T4296] device veth0_macvtap entered promiscuous mode [ 71.570248][ T4296] device veth1_macvtap entered promiscuous mode [ 71.583324][ T4296] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.594303][ T4296] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.606157][ T4296] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.613956][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.622223][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.630285][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.639146][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.650236][ T4296] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.660939][ T4296] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.671847][ T4296] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.687835][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.696576][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.707252][ T4296] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.716328][ T4296] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.725015][ T4296] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.734140][ T4296] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.785171][ T1279] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.799566][ T1279] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.812743][ T154] device hsr_slave_0 left promiscuous mode [ 71.820131][ T154] device hsr_slave_1 left promiscuous mode [ 71.826921][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 71.834331][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 71.842350][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 71.850030][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 71.858008][ T154] device bridge_slave_1 left promiscuous mode [ 71.864935][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.877351][ T154] device bridge_slave_0 left promiscuous mode [ 71.883521][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.900059][ T154] device veth1_macvtap left promiscuous mode [ 71.906370][ T154] device veth0_macvtap left promiscuous mode [ 71.912376][ T154] device veth1_vlan left promiscuous mode [ 71.918549][ T154] device veth0_vlan left promiscuous mode [ 72.031114][ T154] team0 (unregistering): Port device team_slave_1 removed [ 72.042184][ T154] team0 (unregistering): Port device team_slave_0 removed [ 72.053618][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.066654][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 72.110005][ T154] bond0 (unregistering): Released all slaves [ 72.153718][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.168625][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.177732][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.186922][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.273983][ T4315] [ 72.276345][ T4315] ====================================================== [ 72.283358][ T4315] WARNING: possible circular locking dependency detected [ 72.290379][ T4315] syzkaller #0 Not tainted [ 72.294815][ T4315] ------------------------------------------------------ [ 72.301843][ T4315] syz.0.17/4315 is trying to acquire lock: [ 72.307654][ T4315] ffff888025000c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 72.318735][ T4315] [ 72.318735][ T4315] but task is already holding lock: [ 72.326093][ T4315] ffffffff8d4ba7e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 72.335755][ T4315] [ 72.335755][ T4315] which lock already depends on the new lock. [ 72.335755][ T4315] [ 72.346155][ T4315] [ 72.346155][ T4315] the existing dependency chain (in reverse order) is: [ 72.355171][ T4315] [ 72.355171][ T4315] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 72.363173][ T4315] __mutex_lock_common+0x1eb/0x2390 [ 72.368904][ T4315] mutex_lock_nested+0x17/0x20 [ 72.374200][ T4315] rfkill_register+0x33/0x8a0 [ 72.379411][ T4315] hci_register_dev+0x452/0x970 [ 72.384805][ T4315] vhci_create_device+0x32c/0x5c0 [ 72.390363][ T4315] vhci_write+0x391/0x450 [ 72.395219][ T4315] vfs_write+0x712/0xd00 [ 72.400079][ T4315] ksys_write+0x14d/0x250 [ 72.404934][ T4315] do_syscall_64+0x4c/0xa0 [ 72.409880][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.416299][ T4315] [ 72.416299][ T4315] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 72.424122][ T4315] __mutex_lock_common+0x1eb/0x2390 [ 72.429939][ T4315] mutex_lock_nested+0x17/0x20 [ 72.435235][ T4315] vhci_send_frame+0x88/0x100 [ 72.440442][ T4315] hci_send_frame+0x1a9/0x2e0 [ 72.445646][ T4315] hci_tx_work+0x9f9/0x1710 [ 72.450681][ T4315] process_one_work+0x863/0x1000 [ 72.456157][ T4315] worker_thread+0xaa8/0x12a0 [ 72.461362][ T4315] kthread+0x436/0x520 [ 72.465959][ T4315] ret_from_fork+0x1f/0x30 [ 72.470901][ T4315] [ 72.470901][ T4315] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 72.480112][ T4315] __flush_work+0xdd/0x1b0 [ 72.485060][ T4315] hci_dev_do_close+0x1e7/0x1030 [ 72.490526][ T4315] hci_unregister_dev+0x2d7/0x580 [ 72.496077][ T4315] vhci_release+0x73/0xc0 [ 72.500933][ T4315] __fput+0x234/0x930 [ 72.505442][ T4315] task_work_run+0x125/0x1a0 [ 72.510565][ T4315] do_exit+0x61e/0x20a0 [ 72.515304][ T4315] do_group_exit+0x12e/0x300 [ 72.520423][ T4315] get_signal+0x6ca/0x12c0 [ 72.525545][ T4315] arch_do_signal_or_restart+0xc1/0x1300 [ 72.525994][ T4263] Bluetooth: hci0: command 0x040f tx timeout [ 72.531706][ T4315] exit_to_user_mode_loop+0x9e/0x130 [ 72.543452][ T4315] exit_to_user_mode_prepare+0xee/0x180 [ 72.549535][ T4315] syscall_exit_to_user_mode+0x16/0x40 [ 72.555527][ T4315] do_syscall_64+0x58/0xa0 [ 72.560475][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.566900][ T4315] [ 72.566900][ T4315] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 72.574551][ T4315] __mutex_lock_common+0x1eb/0x2390 [ 72.580338][ T4315] mutex_lock_nested+0x17/0x20 [ 72.585638][ T4315] bg_scan_update+0x44/0x3b0 [ 72.590760][ T4315] process_one_work+0x863/0x1000 [ 72.596235][ T4315] worker_thread+0xaa8/0x12a0 [ 72.601444][ T4315] kthread+0x436/0x520 [ 72.606042][ T4315] ret_from_fork+0x1f/0x30 [ 72.610988][ T4315] [ 72.610988][ T4315] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 72.620898][ T4315] __lock_acquire+0x2c33/0x7c60 [ 72.626282][ T4315] lock_acquire+0x197/0x3f0 [ 72.631319][ T4315] __flush_work+0xdd/0x1b0 [ 72.636264][ T4315] __cancel_work_timer+0x3ac/0x520 [ 72.641905][ T4315] hci_request_cancel_all+0xcc/0x300 [ 72.647726][ T4315] hci_dev_do_close+0x4e/0x1030 [ 72.653110][ T4315] hci_rfkill_set_block+0x10a/0x190 [ 72.658835][ T4315] rfkill_set_block+0x1c6/0x420 [ 72.664211][ T4315] rfkill_fop_write+0x458/0x560 [ 72.669586][ T4315] vfs_write+0x300/0xd00 [ 72.674412][ T4315] ksys_write+0x14d/0x250 [ 72.679272][ T4315] do_syscall_64+0x4c/0xa0 [ 72.684222][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.690734][ T4315] [ 72.690734][ T4315] other info that might help us debug this: [ 72.690734][ T4315] [ 72.700959][ T4315] Chain exists of: [ 72.700959][ T4315] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 72.700959][ T4315] [ 72.716696][ T4315] Possible unsafe locking scenario: [ 72.716696][ T4315] [ 72.724144][ T4315] CPU0 CPU1 [ 72.729512][ T4315] ---- ---- [ 72.734878][ T4315] lock(rfkill_global_mutex); [ 72.739653][ T4315] lock(&data->open_mutex); [ 72.746805][ T4315] lock(rfkill_global_mutex); [ 72.754103][ T4315] lock((work_completion)(&hdev->bg_scan_update)); [ 72.760703][ T4315] [ 72.760703][ T4315] *** DEADLOCK *** [ 72.760703][ T4315] [ 72.768936][ T4315] 1 lock held by syz.0.17/4315: [ 72.773786][ T4315] #0: ffffffff8d4ba7e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 72.783901][ T4315] [ 72.783901][ T4315] stack backtrace: [ 72.789874][ T4315] CPU: 0 PID: 4315 Comm: syz.0.17 Not tainted syzkaller #0 [ 72.797071][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 72.807149][ T4315] Call Trace: [ 72.810438][ T4315] [ 72.813375][ T4315] dump_stack_lvl+0x168/0x230 [ 72.818064][ T4315] ? load_image+0x3b0/0x3b0 [ 72.822583][ T4315] ? show_regs_print_info+0x20/0x20 [ 72.827792][ T4315] ? print_circular_bug+0x12b/0x1a0 [ 72.832998][ T4315] check_noncircular+0x274/0x310 [ 72.837955][ T4315] ? add_chain_block+0x940/0x940 [ 72.842903][ T4315] ? lockdep_lock+0xdc/0x1e0 [ 72.847505][ T4315] ? __lock_acquire+0x12d9/0x7c60 [ 72.852539][ T4315] ? lockdep_lock+0x1e0/0x1e0 [ 72.857230][ T4315] ? mark_lock+0x94/0x320 [ 72.861572][ T4315] __lock_acquire+0x2c33/0x7c60 [ 72.866451][ T4315] ? rcu_lock_release+0x5/0x20 [ 72.871220][ T4315] ? verify_lock_unused+0x140/0x140 [ 72.876440][ T4315] lock_acquire+0x197/0x3f0 [ 72.880957][ T4315] ? __flush_work+0xc1/0x1b0 [ 72.885557][ T4315] ? __lock_acquire+0x7c60/0x7c60 [ 72.890684][ T4315] ? read_lock_is_recursive+0x10/0x10 [ 72.896072][ T4315] ? start_flush_work+0x776/0x820 [ 72.901115][ T4315] __flush_work+0xdd/0x1b0 [ 72.905544][ T4315] ? __flush_work+0xc1/0x1b0 [ 72.910152][ T4315] ? flush_work+0x20/0x20 [ 72.914491][ T4315] ? try_to_grab_pending+0xf3/0x7e0 [ 72.919739][ T4315] ? lockdep_hardirqs_off+0x70/0x100 [ 72.925041][ T4315] ? mark_lock+0x94/0x320 [ 72.929397][ T4315] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 72.935390][ T4315] ? lock_chain_count+0x20/0x20 [ 72.940250][ T4315] ? mark_lock+0x94/0x320 [ 72.944597][ T4315] ? __cancel_work_timer+0x331/0x520 [ 72.949894][ T4315] __cancel_work_timer+0x3ac/0x520 [ 72.955019][ T4315] ? cancel_work_sync+0x20/0x20 [ 72.959880][ T4315] ? __cancel_work+0x1f4/0x2d0 [ 72.964652][ T4315] ? lockdep_hardirqs_on+0x94/0x140 [ 72.969865][ T4315] ? __cancel_work+0x26f/0x2d0 [ 72.974641][ T4315] ? cancel_work+0x20/0x20 [ 72.979065][ T4315] ? lock_chain_count+0x20/0x20 [ 72.983926][ T4315] hci_request_cancel_all+0xcc/0x300 [ 72.989217][ T4315] hci_dev_do_close+0x4e/0x1030 [ 72.994135][ T4315] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 73.000044][ T4315] ? _raw_spin_unlock+0x40/0x40 [ 73.004920][ T4315] hci_rfkill_set_block+0x10a/0x190 [ 73.010127][ T4315] ? rcu_lock_release+0x20/0x20 [ 73.015000][ T4315] rfkill_set_block+0x1c6/0x420 [ 73.019858][ T4315] rfkill_fop_write+0x458/0x560 [ 73.024715][ T4315] ? verify_lock_unused+0x140/0x140 [ 73.030054][ T4315] ? rfkill_fop_read+0x4b0/0x4b0 [ 73.035003][ T4315] ? common_file_perm+0xc0/0x1c0 [ 73.039951][ T4315] ? fsnotify_perm+0x5d/0x560 [ 73.044641][ T4315] ? security_file_permission+0x75/0xa0 [ 73.050202][ T4315] ? rfkill_fop_read+0x4b0/0x4b0 [ 73.055153][ T4315] vfs_write+0x300/0xd00 [ 73.059505][ T4315] ? file_end_write+0x250/0x250 [ 73.064368][ T4315] ? __context_tracking_exit+0x4c/0x80 [ 73.069840][ T4315] ? __lock_acquire+0x7c60/0x7c60 [ 73.074882][ T4315] ? __fdget_pos+0x1e2/0x370 [ 73.079607][ T4315] ksys_write+0x14d/0x250 [ 73.083948][ T4315] ? __ia32_sys_read+0x80/0x80 [ 73.088736][ T4315] ? lockdep_hardirqs_on+0x94/0x140 [ 73.094040][ T4315] do_syscall_64+0x4c/0xa0 [ 73.098461][ T4315] ? clear_bhb_loop+0x30/0x80 [ 73.103160][ T4315] ? clear_bhb_loop+0x30/0x80 [ 73.107852][ T4315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.113766][ T4315] RIP: 0033:0x7fd499c7c749 [ 73.118193][ T4315] 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 [ 73.137806][ T4315] RSP: 002b:00007ffe695f3328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.146347][ T4315] RAX: ffffffffffffffda RBX: 00007fd499ed2fa0 RCX: 00007fd499c7c749 [ 73.154326][ T4315] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 73.162303][ T4315] RBP: 00007fd499d00f91 R08: 0000000000000000 R09: 0000000000000000 [ 73.170279][ T4315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.178338][ T4315] R13: 00007fd499ed2fa0 R14: 00007fd499ed2fa0 R15: 0000000000000003 [ 73.186320][ T4315]