Warning: Permanently added '10.128.0.149' (ED25519) to the list of known hosts. 2025/05/18 18:07:04 ignoring optional flag "sandboxArg"="0" 2025/05/18 18:07:05 parsed 1 programs [ 64.738407][ T4175] cgroup: Unknown subsys name 'net' [ 64.831187][ T4175] cgroup: Unknown subsys name 'rlimit' [ 66.340371][ T4175] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 69.130368][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.144129][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.163629][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.178462][ T1405] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.186403][ T1405] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.195449][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.440026][ T4217] chnl_net:caif_netlink_parms(): no params data found [ 69.507766][ T4217] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.515790][ T4217] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.524466][ T4217] device bridge_slave_0 entered promiscuous mode [ 69.534924][ T4217] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.542461][ T4217] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.550806][ T4217] device bridge_slave_1 entered promiscuous mode [ 69.579597][ T4217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.591101][ T4217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.619581][ T4217] team0: Port device team_slave_0 added [ 69.628632][ T4217] team0: Port device team_slave_1 added [ 69.655330][ T4217] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.664109][ T4217] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.691376][ T4217] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.704529][ T4217] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.711836][ T4217] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.737924][ T4217] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.777806][ T4217] device hsr_slave_0 entered promiscuous mode [ 69.785007][ T4217] device hsr_slave_1 entered promiscuous mode [ 69.913897][ T4217] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.924802][ T4217] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.934125][ T4217] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.943805][ T4217] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.983463][ T4217] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.993286][ T4217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.001300][ T4217] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.008918][ T4217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.106132][ T4217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.120446][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.130228][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.138484][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.153602][ T4217] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.164130][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.173328][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.181953][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.189034][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.200604][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.209690][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.218416][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.225475][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.235796][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.249330][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.262700][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.272059][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.281367][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.293046][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.301864][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.312630][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.321411][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.344396][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.353306][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.364578][ T4217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.471619][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.480164][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.504273][ T4217] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.524044][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.533196][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.562346][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.570694][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.581112][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.589438][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.598628][ T4217] device veth0_vlan entered promiscuous mode [ 70.622867][ T4217] device veth1_vlan entered promiscuous mode [ 70.642435][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.651133][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.661524][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.670891][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.682758][ T4217] device veth0_macvtap entered promiscuous mode [ 70.706797][ T4217] device veth1_macvtap entered promiscuous mode [ 70.723504][ T4217] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.732740][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.741533][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.750050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.759515][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.772244][ T4217] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.783932][ T4217] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.793315][ T4217] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.802118][ T4217] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.811044][ T4217] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.821765][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.830737][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.940727][ T4217] syz-executor (4217) used greatest stack depth: 20960 bytes left [ 71.262848][ T1428] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.269464][ T1428] ieee802154 phy1 wpan1: encryption failed: -22 2025/05/18 18:07:15 executed programs: 0 [ 72.694420][ T4267] chnl_net:caif_netlink_parms(): no params data found [ 72.731268][ T155] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.769048][ T4267] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.776180][ T4267] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.784970][ T4267] device bridge_slave_0 entered promiscuous mode [ 72.793913][ T4267] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.801067][ T4267] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.809272][ T4267] device bridge_slave_1 entered promiscuous mode [ 72.830400][ T4267] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.841635][ T4267] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.867598][ T4267] team0: Port device team_slave_0 added [ 72.874893][ T4267] team0: Port device team_slave_1 added [ 72.894971][ T4267] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.901961][ T4267] 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. [ 72.928228][ T4267] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.941665][ T4267] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.949029][ T4267] 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. [ 72.975787][ T4267] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.009285][ T4267] device hsr_slave_0 entered promiscuous mode [ 73.016232][ T4267] device hsr_slave_1 entered promiscuous mode [ 73.023116][ T4267] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.031261][ T4267] Cannot create hsr debugfs directory [ 74.618912][ T4190] Bluetooth: hci0: command 0x0409 tx timeout [ 75.605064][ T155] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.663917][ T155] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.735723][ T155] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.537726][ T4267] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.546689][ T4267] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.556414][ T4267] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.566561][ T4267] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.660768][ T4267] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.673813][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.682352][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.693884][ T4267] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.700965][ T4231] Bluetooth: hci0: command 0x041b tx timeout [ 76.714688][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.723517][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.732655][ T1405] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.739755][ T1405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.747464][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.757436][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.766822][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.775543][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.782656][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.813766][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.825756][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.837920][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.847763][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.860422][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.868803][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.877598][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.892594][ T4267] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.903647][ T4267] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.915658][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.924131][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.932991][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.941787][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.950679][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.076077][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.084593][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.113903][ T4267] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.132821][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.141912][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.177132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.186008][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.195146][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.203965][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.214175][ T4267] device veth0_vlan entered promiscuous mode [ 77.228814][ T155] device hsr_slave_0 left promiscuous mode [ 77.235622][ T155] device hsr_slave_1 left promiscuous mode [ 77.242880][ T155] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.250596][ T155] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.259841][ T155] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.267250][ T155] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.275065][ T155] device bridge_slave_1 left promiscuous mode [ 77.282028][ T155] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.295201][ T155] device bridge_slave_0 left promiscuous mode [ 77.302601][ T155] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.320730][ T155] device veth1_macvtap left promiscuous mode [ 77.326971][ T155] device veth0_macvtap left promiscuous mode [ 77.333208][ T155] device veth1_vlan left promiscuous mode [ 77.339816][ T155] device veth0_vlan left promiscuous mode [ 77.502550][ T155] team0 (unregistering): Port device team_slave_1 removed [ 77.520160][ T155] team0 (unregistering): Port device team_slave_0 removed [ 77.534072][ T155] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.547350][ T155] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.608353][ T155] bond0 (unregistering): Released all slaves [ 77.656105][ T4267] device veth1_vlan entered promiscuous mode [ 77.682218][ T4267] device veth0_macvtap entered promiscuous mode [ 77.689469][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.697574][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.707229][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.716696][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.725547][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.736034][ T4267] device veth1_macvtap entered promiscuous mode [ 77.756929][ T4267] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.773960][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.783584][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.794024][ T4267] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.802315][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.811374][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.822966][ T4267] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.834010][ T4267] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.843168][ T4267] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.852207][ T4267] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.916947][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.933090][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.962219][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.974944][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.983392][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.995452][ T1405] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.134214][ T4324] [ 78.136581][ T4324] ====================================================== [ 78.143604][ T4324] WARNING: possible circular locking dependency detected [ 78.150640][ T4324] 5.15.183-syzkaller #0 Not tainted [ 78.155848][ T4324] ------------------------------------------------------ [ 78.162869][ T4324] syz.0.16/4324 is trying to acquire lock: [ 78.168682][ T4324] ffff888024b48c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 78.179767][ T4324] [ 78.179767][ T4324] but task is already holding lock: [ 78.187135][ T4324] ffffffff8d4b1fc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 78.196821][ T4324] [ 78.196821][ T4324] which lock already depends on the new lock. [ 78.196821][ T4324] [ 78.207231][ T4324] [ 78.207231][ T4324] the existing dependency chain (in reverse order) is: [ 78.216251][ T4324] [ 78.216251][ T4324] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 78.224260][ T4324] __mutex_lock_common+0x1eb/0x2390 [ 78.230010][ T4324] mutex_lock_nested+0x17/0x20 [ 78.235316][ T4324] rfkill_register+0x33/0x8a0 [ 78.240535][ T4324] hci_register_dev+0x452/0x970 [ 78.245924][ T4324] vhci_create_device+0x32c/0x5c0 [ 78.251482][ T4324] vhci_write+0x391/0x450 [ 78.256342][ T4324] vfs_write+0x712/0xd00 [ 78.261109][ T4324] ksys_write+0x14d/0x250 [ 78.265975][ T4324] do_syscall_64+0x4c/0xa0 [ 78.270924][ T4324] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.277352][ T4324] [ 78.277352][ T4324] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 78.285181][ T4324] __mutex_lock_common+0x1eb/0x2390 [ 78.290918][ T4324] mutex_lock_nested+0x17/0x20 [ 78.296217][ T4324] vhci_send_frame+0x88/0x100 [ 78.301423][ T4324] hci_send_frame+0x1a9/0x2e0 [ 78.306631][ T4324] hci_tx_work+0x9f9/0x1710 [ 78.311658][ T4324] process_one_work+0x863/0x1000 [ 78.317123][ T4324] worker_thread+0xaa8/0x12a0 [ 78.322325][ T4324] kthread+0x436/0x520 [ 78.326930][ T4324] ret_from_fork+0x1f/0x30 [ 78.331888][ T4324] [ 78.331888][ T4324] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 78.341208][ T4324] __flush_work+0xdd/0x1b0 [ 78.346161][ T4324] hci_dev_do_close+0x1e7/0x1030 [ 78.351636][ T4324] hci_unregister_dev+0x2d7/0x580 [ 78.357206][ T4324] vhci_release+0x73/0xc0 [ 78.362068][ T4324] __fput+0x234/0x930 [ 78.366586][ T4324] task_work_run+0x125/0x1a0 [ 78.371714][ T4324] do_exit+0x616/0x20a0 [ 78.376407][ T4324] do_group_exit+0x12e/0x300 [ 78.381646][ T4324] get_signal+0x6ca/0x12c0 [ 78.386591][ T4324] arch_do_signal_or_restart+0xc1/0x1300 [ 78.392747][ T4324] exit_to_user_mode_loop+0x9e/0x130 [ 78.398559][ T4324] exit_to_user_mode_prepare+0xb1/0x140 [ 78.404632][ T4324] syscall_exit_to_user_mode+0x16/0x40 [ 78.410618][ T4324] do_syscall_64+0x58/0xa0 [ 78.415559][ T4324] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.421982][ T4324] [ 78.421982][ T4324] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 78.429724][ T4324] __mutex_lock_common+0x1eb/0x2390 [ 78.435452][ T4324] mutex_lock_nested+0x17/0x20 [ 78.440740][ T4324] bg_scan_update+0x44/0x3b0 [ 78.445859][ T4324] process_one_work+0x863/0x1000 [ 78.451321][ T4324] worker_thread+0xaa8/0x12a0 [ 78.456521][ T4324] kthread+0x436/0x520 [ 78.461113][ T4324] ret_from_fork+0x1f/0x30 [ 78.466054][ T4324] [ 78.466054][ T4324] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 78.475883][ T4324] __lock_acquire+0x2c33/0x7c60 [ 78.481279][ T4324] lock_acquire+0x197/0x3f0 [ 78.486320][ T4324] __flush_work+0xdd/0x1b0 [ 78.491270][ T4324] __cancel_work_timer+0x3ac/0x520 [ 78.496923][ T4324] hci_request_cancel_all+0xcc/0x300 [ 78.502755][ T4324] hci_dev_do_close+0x4e/0x1030 [ 78.508146][ T4324] hci_rfkill_set_block+0x10a/0x190 [ 78.513883][ T4324] rfkill_set_block+0x1c6/0x420 [ 78.519280][ T4324] rfkill_fop_write+0x458/0x560 [ 78.524665][ T4324] vfs_write+0x300/0xd00 [ 78.529437][ T4324] ksys_write+0x14d/0x250 [ 78.534299][ T4324] do_syscall_64+0x4c/0xa0 [ 78.539253][ T4324] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.545688][ T4324] [ 78.545688][ T4324] other info that might help us debug this: [ 78.545688][ T4324] [ 78.555917][ T4324] Chain exists of: [ 78.555917][ T4324] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 78.555917][ T4324] [ 78.571659][ T4324] Possible unsafe locking scenario: [ 78.571659][ T4324] [ 78.579121][ T4324] CPU0 CPU1 [ 78.584493][ T4324] ---- ---- [ 78.589854][ T4324] lock(rfkill_global_mutex); [ 78.594612][ T4324] lock(&data->open_mutex); [ 78.601711][ T4324] lock(rfkill_global_mutex); [ 78.608989][ T4324] lock((work_completion)(&hdev->bg_scan_update)); [ 78.615568][ T4324] [ 78.615568][ T4324] *** DEADLOCK *** [ 78.615568][ T4324] [ 78.623803][ T4324] 1 lock held by syz.0.16/4324: [ 78.628641][ T4324] #0: ffffffff8d4b1fc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 78.638732][ T4324] [ 78.638732][ T4324] stack backtrace: [ 78.644615][ T4324] CPU: 0 PID: 4324 Comm: syz.0.16 Not tainted 5.15.183-syzkaller #0 [ 78.652586][ T4324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 78.662646][ T4324] Call Trace: [ 78.665922][ T4324] [ 78.668856][ T4324] dump_stack_lvl+0x168/0x230 [ 78.673549][ T4324] ? load_image+0x3b0/0x3b0 [ 78.678061][ T4324] ? show_regs_print_info+0x20/0x20 [ 78.683263][ T4324] ? print_circular_bug+0x12b/0x1a0 [ 78.688460][ T4324] check_noncircular+0x274/0x310 [ 78.693394][ T4324] ? add_chain_block+0x940/0x940 [ 78.698322][ T4324] ? lockdep_lock+0xdc/0x1e0 [ 78.702906][ T4324] ? __lock_acquire+0x12d9/0x7c60 [ 78.707925][ T4324] ? lockdep_lock+0x1e0/0x1e0 [ 78.712604][ T4324] ? mark_lock+0x94/0x320 [ 78.716937][ T4324] __lock_acquire+0x2c33/0x7c60 [ 78.721791][ T4324] ? verify_lock_unused+0x140/0x140 [ 78.726988][ T4324] ? verify_lock_unused+0x140/0x140 [ 78.732200][ T4324] lock_acquire+0x197/0x3f0 [ 78.736933][ T4324] ? __flush_work+0xc1/0x1b0 [ 78.741597][ T4324] ? __lock_acquire+0x7c60/0x7c60 [ 78.746642][ T4324] ? read_lock_is_recursive+0x10/0x10 [ 78.752016][ T4324] ? start_flush_work+0x776/0x820 [ 78.757133][ T4324] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 78.763126][ T4324] ? _raw_spin_unlock+0x40/0x40 [ 78.767980][ T4324] __flush_work+0xdd/0x1b0 [ 78.772391][ T4324] ? __flush_work+0xc1/0x1b0 [ 78.776971][ T4324] ? flush_work+0x20/0x20 [ 78.781292][ T4324] ? try_to_grab_pending+0xf3/0x7e0 [ 78.786487][ T4324] ? lockdep_hardirqs_off+0x70/0x100 [ 78.791775][ T4324] ? mark_lock+0x94/0x320 [ 78.796103][ T4324] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 78.802085][ T4324] ? lock_chain_count+0x20/0x20 [ 78.806933][ T4324] ? mark_lock+0x94/0x320 [ 78.811261][ T4324] ? __cancel_work_timer+0x331/0x520 [ 78.816540][ T4324] __cancel_work_timer+0x3ac/0x520 [ 78.821653][ T4324] ? cancel_work_sync+0x20/0x20 [ 78.826545][ T4324] ? __cancel_work+0x1f4/0x2d0 [ 78.831305][ T4324] ? lockdep_hardirqs_on+0x94/0x140 [ 78.836498][ T4324] ? __cancel_work+0x26f/0x2d0 [ 78.841257][ T4324] ? cancel_work+0x20/0x20 [ 78.845665][ T4324] ? lock_chain_count+0x20/0x20 [ 78.850539][ T4324] hci_request_cancel_all+0xcc/0x300 [ 78.855822][ T4324] hci_dev_do_close+0x4e/0x1030 [ 78.860678][ T4324] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 78.866582][ T4324] ? _raw_spin_unlock+0x40/0x40 [ 78.871440][ T4324] hci_rfkill_set_block+0x10a/0x190 [ 78.876651][ T4324] ? rcu_lock_release+0x20/0x20 [ 78.881509][ T4324] rfkill_set_block+0x1c6/0x420 [ 78.886380][ T4324] rfkill_fop_write+0x458/0x560 [ 78.891226][ T4324] ? verify_lock_unused+0x140/0x140 [ 78.896419][ T4324] ? rfkill_fop_read+0x4b0/0x4b0 [ 78.901373][ T4324] ? common_file_perm+0x140/0x1c0 [ 78.906394][ T4324] ? fsnotify_perm+0x5d/0x560 [ 78.911065][ T4324] ? security_file_permission+0x75/0xa0 [ 78.916605][ T4324] ? rfkill_fop_read+0x4b0/0x4b0 [ 78.921537][ T4324] vfs_write+0x300/0xd00 [ 78.925797][ T4324] ? file_end_write+0x250/0x250 [ 78.930645][ T4324] ? __context_tracking_exit+0x4c/0x80 [ 78.936103][ T4324] ? __lock_acquire+0x7c60/0x7c60 [ 78.941135][ T4324] ? __fdget_pos+0x1e2/0x370 [ 78.945827][ T4324] ksys_write+0x14d/0x250 [ 78.950156][ T4324] ? __ia32_sys_read+0x80/0x80 [ 78.954926][ T4324] ? lockdep_hardirqs_on+0x94/0x140 [ 78.960144][ T4324] do_syscall_64+0x4c/0xa0 [ 78.964557][ T4324] ? clear_bhb_loop+0x15/0x70 [ 78.969226][ T4324] ? clear_bhb_loop+0x15/0x70 [ 78.973897][ T4324] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.979789][ T4324] RIP: 0033:0x7efee2fca969 [ 78.984201][ T4324] 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 [ 79.003798][ T4324] RSP: 002b:00007ffc3b89c738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.012208][ T4324] RAX: ffffffffffffffda RBX: 00007efee31f1fa0 RCX: 00007efee2fca969 [ 79.020176][ T4324] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 79.028143][ T4324] RBP: 00007efee304cab1 R08: 0000000000000000 R09: 0000000000000000 [ 79.036105][ T4324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 79.044070][ T4324] R13: 00007efee31f1fa0 R14: 00007efee31f1fa0 R15: 0000000000000003 [ 79.052043][ T4324] [ 79.082895][ T1111] Bluetooth: hci0: command 0x040f tx timeout