Warning: Permanently added '10.128.0.68' (ED25519) to the list of known hosts. 2025/06/12 10:14:09 ignoring optional flag "sandboxArg"="0" 2025/06/12 10:14:11 parsed 1 programs [ 66.878327][ T4174] cgroup: Unknown subsys name 'net' [ 66.995747][ T4174] cgroup: Unknown subsys name 'rlimit' [ 68.556303][ T4174] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 70.276816][ T4197] chnl_net:caif_netlink_parms(): no params data found [ 70.332270][ T4197] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.340337][ T4197] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.348227][ T4197] device bridge_slave_0 entered promiscuous mode [ 70.357737][ T4197] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.365059][ T4197] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.373015][ T4197] device bridge_slave_1 entered promiscuous mode [ 70.400233][ T4197] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.411179][ T4197] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.435170][ T4197] team0: Port device team_slave_0 added [ 70.447135][ T4197] team0: Port device team_slave_1 added [ 70.467534][ T4197] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.474692][ T4197] 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. [ 70.500883][ T4197] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.516309][ T4197] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.523619][ T4197] 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. [ 70.550086][ T4197] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.585572][ T4197] device hsr_slave_0 entered promiscuous mode [ 70.592427][ T4197] device hsr_slave_1 entered promiscuous mode [ 70.696130][ T4197] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.707393][ T4197] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.716859][ T4197] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.727244][ T4197] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.757842][ T4197] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.765238][ T4197] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.773375][ T4197] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.780591][ T4197] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.845368][ T4197] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.861800][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.878066][ T1282] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.886905][ T1282] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.897209][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.914372][ T4197] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.926747][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.937040][ T1282] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.944193][ T1282] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.959461][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.979605][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.986717][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.012586][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.029366][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.037703][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.051207][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.067552][ T4197] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.081507][ T4197] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.091123][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.216846][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.225589][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.244698][ T4197] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.263446][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.270701][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.288693][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.297665][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.320401][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.329643][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.351238][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.360484][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.371210][ T4197] device veth0_vlan entered promiscuous mode [ 71.385334][ T4197] device veth1_vlan entered promiscuous mode [ 71.408212][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.417322][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.426558][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.436383][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.447850][ T4197] device veth0_macvtap entered promiscuous mode [ 71.461748][ T4197] device veth1_macvtap entered promiscuous mode [ 71.484096][ T4197] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.492743][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.502289][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.510868][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.520065][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.533027][ T4197] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.541075][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.550438][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.562880][ T4197] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.572444][ T4197] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.581813][ T4197] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.597812][ T4197] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.732911][ T4197] syz-executor (4197) used greatest stack depth: 20096 bytes left [ 72.242937][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.708348][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.720363][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.732458][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.746919][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.755225][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.764838][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/06/12 10:14:20 executed programs: 0 [ 73.804511][ T4257] chnl_net:caif_netlink_parms(): no params data found [ 73.850122][ T4257] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.857248][ T4257] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.865242][ T4257] device bridge_slave_0 entered promiscuous mode [ 73.873846][ T4257] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.881347][ T4257] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.889464][ T4257] device bridge_slave_1 entered promiscuous mode [ 73.912506][ T4257] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.923626][ T4257] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.950156][ T4257] team0: Port device team_slave_0 added [ 73.957516][ T4257] team0: Port device team_slave_1 added [ 73.977407][ T4257] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.984746][ 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. [ 74.011310][ T4257] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.023400][ T4257] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.030799][ 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. [ 74.057063][ T4257] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.091745][ T4257] device hsr_slave_0 entered promiscuous mode [ 74.098915][ T4257] device hsr_slave_1 entered promiscuous mode [ 74.105918][ T4257] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.113974][ T4257] Cannot create hsr debugfs directory [ 74.735981][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.750486][ T1326] Bluetooth: hci0: command 0x0409 tx timeout [ 76.934466][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.985780][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.818861][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 77.864329][ T4257] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.885223][ T4257] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.894712][ T4257] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.905036][ T4257] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.968074][ T4257] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.991499][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.999764][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.010279][ T4257] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.022079][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.031062][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.040737][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.047944][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.056800][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.073318][ T9] device hsr_slave_0 left promiscuous mode [ 78.080281][ T9] device hsr_slave_1 left promiscuous mode [ 78.086767][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.094403][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.105119][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.112645][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.120714][ T9] device bridge_slave_1 left promiscuous mode [ 78.127053][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.143476][ T9] device bridge_slave_0 left promiscuous mode [ 78.149763][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.169478][ T9] device veth1_macvtap left promiscuous mode [ 78.175796][ T9] device veth0_macvtap left promiscuous mode [ 78.182254][ T9] device veth1_vlan left promiscuous mode [ 78.188199][ T9] device veth0_vlan left promiscuous mode [ 78.352874][ T9] team0 (unregistering): Port device team_slave_1 removed [ 78.365985][ T9] team0 (unregistering): Port device team_slave_0 removed [ 78.379276][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 78.395119][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 78.452839][ T9] bond0 (unregistering): Released all slaves [ 78.504442][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.513489][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.522611][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.529704][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.548498][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.560328][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.572584][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.586930][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.596735][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.606628][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.615638][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.635952][ T4257] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.653840][ T4257] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.666025][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.675671][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.684720][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.693691][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.707243][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.796179][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.803881][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.819852][ T4257] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.838078][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.847569][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.871885][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.880470][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.890976][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.899189][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.908192][ T4257] device veth0_vlan entered promiscuous mode [ 78.921613][ T4257] device veth1_vlan entered promiscuous mode [ 78.944900][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.953496][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.962821][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.971915][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.984501][ T4257] device veth0_macvtap entered promiscuous mode [ 78.995023][ T4257] device veth1_macvtap entered promiscuous mode [ 79.002901][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.012517][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.032970][ T4257] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.044518][ T4257] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.052380][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.063770][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.073309][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.083721][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.096389][ T4257] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.105501][ T4257] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.114570][ T4257] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.123582][ T4257] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.190976][ T4230] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.209089][ T4230] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.225181][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.237952][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.249038][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.258041][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.326611][ T4305] [ 79.328988][ T4305] ====================================================== [ 79.336013][ T4305] WARNING: possible circular locking dependency detected [ 79.343066][ T4305] 5.15.185-syzkaller #0 Not tainted [ 79.348271][ T4305] ------------------------------------------------------ [ 79.355298][ T4305] syz.0.16/4305 is trying to acquire lock: [ 79.361111][ T4305] ffff8880766bcc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 79.372200][ T4305] [ 79.372200][ T4305] but task is already holding lock: [ 79.379574][ T4305] ffffffff8d4b2748 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 79.389250][ T4305] [ 79.389250][ T4305] which lock already depends on the new lock. [ 79.389250][ T4305] [ 79.399657][ T4305] [ 79.399657][ T4305] the existing dependency chain (in reverse order) is: [ 79.408677][ T4305] [ 79.408677][ T4305] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 79.416685][ T4305] __mutex_lock_common+0x1eb/0x2390 [ 79.422423][ T4305] mutex_lock_nested+0x17/0x20 [ 79.427729][ T4305] rfkill_register+0x33/0x8a0 [ 79.432936][ T4305] hci_register_dev+0x452/0x970 [ 79.438328][ T4305] vhci_create_device+0x32c/0x5c0 [ 79.443884][ T4305] vhci_write+0x391/0x450 [ 79.448745][ T4305] vfs_write+0x712/0xd00 [ 79.453520][ T4305] ksys_write+0x14d/0x250 [ 79.458382][ T4305] do_syscall_64+0x4c/0xa0 [ 79.463330][ T4305] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.469796][ T4305] [ 79.469796][ T4305] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 79.477631][ T4305] __mutex_lock_common+0x1eb/0x2390 [ 79.483376][ T4305] mutex_lock_nested+0x17/0x20 [ 79.488680][ T4305] vhci_send_frame+0x88/0x100 [ 79.493893][ T4305] hci_send_frame+0x1a9/0x2e0 [ 79.499114][ T4305] hci_tx_work+0x9f9/0x1710 [ 79.504251][ T4305] process_one_work+0x863/0x1000 [ 79.509737][ T4305] worker_thread+0xaa8/0x12a0 [ 79.514967][ T4305] kthread+0x436/0x520 [ 79.519566][ T4305] ret_from_fork+0x1f/0x30 [ 79.524612][ T4305] [ 79.524612][ T4305] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 79.533836][ T4305] __flush_work+0xdd/0x1b0 [ 79.538788][ T4305] hci_dev_do_close+0x1e7/0x1030 [ 79.544265][ T4305] hci_unregister_dev+0x2d7/0x580 [ 79.549827][ T4305] vhci_release+0x73/0xc0 [ 79.554688][ T4305] __fput+0x234/0x930 [ 79.559200][ T4305] task_work_run+0x125/0x1a0 [ 79.564321][ T4305] do_exit+0x616/0x20a0 [ 79.569006][ T4305] do_group_exit+0x12e/0x300 [ 79.574224][ T4305] get_signal+0x6ca/0x12c0 [ 79.579180][ T4305] arch_do_signal_or_restart+0xc1/0x1300 [ 79.585351][ T4305] exit_to_user_mode_loop+0x9e/0x130 [ 79.591168][ T4305] exit_to_user_mode_prepare+0xb1/0x140 [ 79.597238][ T4305] syscall_exit_to_user_mode+0x16/0x40 [ 79.603223][ T4305] do_syscall_64+0x58/0xa0 [ 79.608171][ T4305] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.614588][ T4305] [ 79.614588][ T4305] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 79.622236][ T4305] __mutex_lock_common+0x1eb/0x2390 [ 79.627958][ T4305] mutex_lock_nested+0x17/0x20 [ 79.633247][ T4305] bg_scan_update+0x44/0x3b0 [ 79.638359][ T4305] process_one_work+0x863/0x1000 [ 79.643814][ T4305] worker_thread+0xaa8/0x12a0 [ 79.649013][ T4305] kthread+0x436/0x520 [ 79.653618][ T4305] ret_from_fork+0x1f/0x30 [ 79.658660][ T4305] [ 79.658660][ T4305] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 79.668497][ T4305] __lock_acquire+0x2c33/0x7c60 [ 79.673892][ T4305] lock_acquire+0x197/0x3f0 [ 79.678935][ T4305] __flush_work+0xdd/0x1b0 [ 79.683878][ T4305] __cancel_work_timer+0x3ac/0x520 [ 79.689513][ T4305] hci_request_cancel_all+0xcc/0x300 [ 79.695324][ T4305] hci_dev_do_close+0x4e/0x1030 [ 79.700695][ T4305] hci_rfkill_set_block+0x10a/0x190 [ 79.706414][ T4305] rfkill_set_block+0x1c6/0x420 [ 79.711787][ T4305] rfkill_fop_write+0x458/0x560 [ 79.717159][ T4305] vfs_write+0x300/0xd00 [ 79.721924][ T4305] ksys_write+0x14d/0x250 [ 79.726776][ T4305] do_syscall_64+0x4c/0xa0 [ 79.731713][ T4305] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.738150][ T4305] [ 79.738150][ T4305] other info that might help us debug this: [ 79.738150][ T4305] [ 79.748376][ T4305] Chain exists of: [ 79.748376][ T4305] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 79.748376][ T4305] [ 79.764100][ T4305] Possible unsafe locking scenario: [ 79.764100][ T4305] [ 79.771547][ T4305] CPU0 CPU1 [ 79.776906][ T4305] ---- ---- [ 79.782267][ T4305] lock(rfkill_global_mutex); [ 79.787032][ T4305] lock(&data->open_mutex); [ 79.794164][ T4305] lock(rfkill_global_mutex); [ 79.801878][ T4305] lock((work_completion)(&hdev->bg_scan_update)); [ 79.808470][ T4305] [ 79.808470][ T4305] *** DEADLOCK *** [ 79.808470][ T4305] [ 79.816616][ T4305] 1 lock held by syz.0.16/4305: [ 79.821458][ T4305] #0: ffffffff8d4b2748 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 79.831553][ T4305] [ 79.831553][ T4305] stack backtrace: [ 79.837466][ T4305] CPU: 0 PID: 4305 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 [ 79.845445][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 79.855513][ T4305] Call Trace: [ 79.858795][ T4305] [ 79.861727][ T4305] dump_stack_lvl+0x168/0x230 [ 79.866415][ T4305] ? load_image+0x3b0/0x3b0 [ 79.870920][ T4305] ? show_regs_print_info+0x20/0x20 [ 79.876124][ T4305] ? print_circular_bug+0x12b/0x1a0 [ 79.881329][ T4305] check_noncircular+0x274/0x310 [ 79.886276][ T4305] ? add_chain_block+0x940/0x940 [ 79.891213][ T4305] ? lockdep_lock+0xdc/0x1e0 [ 79.895806][ T4305] ? __lock_acquire+0x12d9/0x7c60 [ 79.900831][ T4305] ? lockdep_lock+0x1e0/0x1e0 [ 79.905507][ T4305] ? mark_lock+0x94/0x320 [ 79.909842][ T4305] __lock_acquire+0x2c33/0x7c60 [ 79.914812][ T4305] ? verify_lock_unused+0x140/0x140 [ 79.920101][ T4305] ? verify_lock_unused+0x140/0x140 [ 79.925307][ T4305] ? mark_lock+0x94/0x320 [ 79.929637][ T4305] ? __lock_acquire+0x13ad/0x7c60 [ 79.934672][ T4305] lock_acquire+0x197/0x3f0 [ 79.939175][ T4305] ? __flush_work+0xc1/0x1b0 [ 79.943850][ T4305] ? __lock_acquire+0x7c60/0x7c60 [ 79.948981][ T4305] ? read_lock_is_recursive+0x10/0x10 [ 79.954367][ T4305] ? start_flush_work+0x776/0x820 [ 79.959391][ T4305] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 79.965284][ T4305] ? _raw_spin_unlock+0x40/0x40 [ 79.970141][ T4305] __flush_work+0xdd/0x1b0 [ 79.974553][ T4305] ? __flush_work+0xc1/0x1b0 [ 79.979160][ T4305] ? flush_work+0x20/0x20 [ 79.983490][ T4305] ? try_to_grab_pending+0xf3/0x7e0 [ 79.988691][ T4305] ? lockdep_hardirqs_off+0x70/0x100 [ 79.993993][ T4305] ? mark_lock+0x94/0x320 [ 79.998330][ T4305] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 80.004311][ T4305] ? lock_chain_count+0x20/0x20 [ 80.009165][ T4305] ? mark_lock+0x94/0x320 [ 80.013517][ T4305] ? __cancel_work_timer+0x331/0x520 [ 80.018805][ T4305] __cancel_work_timer+0x3ac/0x520 [ 80.024131][ T4305] ? cancel_work_sync+0x20/0x20 [ 80.029094][ T4305] ? __cancel_work+0x1f4/0x2d0 [ 80.033872][ T4305] ? lockdep_hardirqs_on+0x94/0x140 [ 80.039100][ T4305] ? __cancel_work+0x26f/0x2d0 [ 80.043877][ T4305] ? cancel_work+0x20/0x20 [ 80.048291][ T4305] ? lock_chain_count+0x20/0x20 [ 80.053354][ T4305] hci_request_cancel_all+0xcc/0x300 [ 80.058653][ T4305] hci_dev_do_close+0x4e/0x1030 [ 80.063513][ T4305] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 80.069409][ T4305] ? _raw_spin_unlock+0x40/0x40 [ 80.074284][ T4305] hci_rfkill_set_block+0x10a/0x190 [ 80.079481][ T4305] ? rcu_lock_release+0x20/0x20 [ 80.084335][ T4305] rfkill_set_block+0x1c6/0x420 [ 80.089629][ T4305] rfkill_fop_write+0x458/0x560 [ 80.094481][ T4305] ? verify_lock_unused+0x140/0x140 [ 80.099683][ T4305] ? rfkill_fop_read+0x4b0/0x4b0 [ 80.104622][ T4305] ? common_file_perm+0x160/0x1c0 [ 80.109651][ T4305] ? fsnotify_perm+0x5d/0x560 [ 80.114337][ T4305] ? security_file_permission+0x75/0xa0 [ 80.119886][ T4305] ? rfkill_fop_read+0x4b0/0x4b0 [ 80.124843][ T4305] vfs_write+0x300/0xd00 [ 80.129101][ T4305] ? file_end_write+0x250/0x250 [ 80.133952][ T4305] ? __context_tracking_exit+0x4c/0x80 [ 80.139427][ T4305] ? __lock_acquire+0x7c60/0x7c60 [ 80.144458][ T4305] ? __fdget_pos+0x1e2/0x370 [ 80.149053][ T4305] ksys_write+0x14d/0x250 [ 80.153399][ T4305] ? __ia32_sys_read+0x80/0x80 [ 80.158186][ T4305] ? lockdep_hardirqs_on+0x94/0x140 [ 80.163399][ T4305] do_syscall_64+0x4c/0xa0 [ 80.167824][ T4305] ? clear_bhb_loop+0x30/0x80 [ 80.172503][ T4305] ? clear_bhb_loop+0x30/0x80 [ 80.177183][ T4305] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 80.183097][ T4305] RIP: 0033:0x7f255c876929 [ 80.187513][ T4305] 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 [ 80.207115][ T4305] RSP: 002b:00007fff9041abb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.215564][ T4305] RAX: ffffffffffffffda RBX: 00007f255ca9dfa0 RCX: 00007f255c876929 [ 80.223553][ T4305] RDX: 0000000000000008 RSI: 0000200000000300 RDI: 0000000000000003 [ 80.231530][ T4305] RBP: 00007f255c8f8b39 R08: 0000000000000000 R09: 0000000000000000 [ 80.239503][ T4305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.247475][ T4305] R13: 00007f255ca9dfa0 R14: 00007f255ca9dfa0 R15: 0000000000000003 [ 80.255456][ T4305] [ 80.261005][ T13] Bluetooth: hci0: command 0x040f tx timeout