Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts. 1970/01/01 00:00:51 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:52 parsed 1 programs [ 54.937693][ T4035] cgroup: Unknown subsys name 'net' [ 55.237877][ T4035] cgroup: Unknown subsys name 'rlimit' [ 55.615727][ T4035] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 65.855546][ T4061] chnl_net:caif_netlink_parms(): no params data found [ 65.894835][ T4061] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.896977][ T4061] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.899717][ T4061] device bridge_slave_0 entered promiscuous mode [ 65.908054][ T4061] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.910157][ T4061] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.913314][ T4061] device bridge_slave_1 entered promiscuous mode [ 65.929824][ T4061] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.934539][ T4061] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.952944][ T4061] team0: Port device team_slave_0 added [ 65.956436][ T4061] team0: Port device team_slave_1 added [ 65.971283][ T4061] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.973294][ T4061] 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. [ 65.980352][ T4061] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.985543][ T4061] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.987428][ T4061] 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. [ 65.994900][ T4061] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.072927][ T4061] device hsr_slave_0 entered promiscuous mode [ 66.121162][ T4061] device hsr_slave_1 entered promiscuous mode [ 66.299520][ T4061] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.345344][ T4061] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.403423][ T4061] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.454356][ T4061] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.531160][ T4061] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.533267][ T4061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.535728][ T4061] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.537684][ T4061] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.584518][ T4061] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.594843][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.599320][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.605749][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.614796][ T4061] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.624848][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.628763][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.631086][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.646793][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.650215][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.652431][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.662855][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.673421][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.676870][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.679605][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.689533][ T4061] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.694728][ T4061] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.697832][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.782674][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.785154][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.793083][ T4061] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.808813][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.813200][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.828497][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.832781][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.837864][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.842183][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.845203][ T4061] device veth0_vlan entered promiscuous mode [ 66.853667][ T4061] device veth1_vlan entered promiscuous mode [ 66.871298][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.873971][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.876713][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.879469][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.886287][ T4061] device veth0_macvtap entered promiscuous mode [ 66.892067][ T4061] device veth1_macvtap entered promiscuous mode [ 66.907227][ T4061] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.909693][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.915166][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.917829][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.921598][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.926818][ T4061] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.932788][ T4061] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.935348][ T4061] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.937783][ T4061] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.940191][ T4061] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.944329][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.947430][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.523719][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.632923][ T2055] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.634982][ T2055] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.748632][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.987204][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.040548][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.563940][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.566349][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.576413][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.590052][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.592765][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.596344][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:13 executed programs: 0 [ 73.261330][ T4160] chnl_net:caif_netlink_parms(): no params data found [ 73.302235][ T4160] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.304317][ T4160] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.307012][ T4160] device bridge_slave_0 entered promiscuous mode [ 73.311402][ T4160] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.313462][ T4160] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.316154][ T4160] device bridge_slave_1 entered promiscuous mode [ 73.346557][ T4160] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.353328][ T4160] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.383832][ T4160] team0: Port device team_slave_0 added [ 73.387379][ T4160] team0: Port device team_slave_1 added [ 73.406396][ T4160] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.408398][ T4160] 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. [ 73.416070][ T4160] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.420442][ T4160] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.425204][ T4160] 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. [ 73.433132][ T4160] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.523151][ T4160] device hsr_slave_0 entered promiscuous mode [ 73.571067][ T4160] device hsr_slave_1 entered promiscuous mode [ 73.610775][ T4160] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.613210][ T4160] Cannot create hsr debugfs directory [ 74.280275][ T4160] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.306930][ T4160] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.345905][ T4160] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.406299][ T4160] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.515656][ T4160] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.529114][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.532248][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.537821][ T4160] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.547548][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.550556][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.554194][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.556205][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.565500][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.571486][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.574525][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.577881][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.579917][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.594447][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.597707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.601757][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.607396][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.618876][ T4160] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.622717][ T4160] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.627354][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.630052][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.634154][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.637341][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.640487][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.643882][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.646703][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.656492][ T9] device hsr_slave_0 left promiscuous mode [ 74.692466][ T9] device hsr_slave_1 left promiscuous mode [ 74.741614][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.743811][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.746854][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.748897][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.752546][ T9] device bridge_slave_1 left promiscuous mode [ 74.752703][ T3322] cfg80211: failed to load regulatory.db [ 74.754872][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.786197][ T9] device bridge_slave_0 left promiscuous mode [ 74.788110][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.931208][ T9] device veth1_macvtap left promiscuous mode [ 74.933245][ T9] device veth0_macvtap left promiscuous mode [ 74.934980][ T9] device veth1_vlan left promiscuous mode [ 74.936745][ T9] device veth0_vlan left promiscuous mode [ 75.151242][ T4067] Bluetooth: hci0: command 0x0409 tx timeout [ 75.158061][ T9] team0 (unregistering): Port device team_slave_1 removed [ 75.167004][ T9] team0 (unregistering): Port device team_slave_0 removed [ 75.178073][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.217404][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.406952][ T9] bond0 (unregistering): Released all slaves [ 75.540992][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.651158][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.653499][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.660258][ T4160] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.682790][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.685742][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.709402][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.716000][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.719138][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.723419][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.727895][ T4160] device veth0_vlan entered promiscuous mode [ 75.735284][ T4160] device veth1_vlan entered promiscuous mode [ 75.756811][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.759616][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.765791][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.769176][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.774871][ T4160] device veth0_macvtap entered promiscuous mode [ 75.779247][ T4160] device veth1_macvtap entered promiscuous mode [ 75.796461][ T4160] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.798674][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.805948][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.809445][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.813836][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.819342][ T4160] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.824671][ T4160] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.827146][ T4160] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.829431][ T4160] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.832965][ T4160] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.836763][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.839652][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.898878][ T1614] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.901973][ T1614] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.905314][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.927894][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.930349][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.934376][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.985725][ T4271] [ 75.986439][ T4271] ====================================================== [ 75.988405][ T4271] WARNING: possible circular locking dependency detected [ 75.990375][ T4271] 5.15.184-syzkaller #0 Not tainted [ 75.991871][ T4271] ------------------------------------------------------ [ 75.993962][ T4271] syz.0.16/4271 is trying to acquire lock: [ 75.995576][ T4271] ffff0000d5474c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 75.998717][ T4271] [ 75.998717][ T4271] but task is already holding lock: [ 76.000808][ T4271] ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 76.003632][ T4271] [ 76.003632][ T4271] which lock already depends on the new lock. [ 76.003632][ T4271] [ 76.006553][ T4271] [ 76.006553][ T4271] the existing dependency chain (in reverse order) is: [ 76.009075][ T4271] [ 76.009075][ T4271] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 76.011325][ T4271] __mutex_lock_common+0x194/0x1edc [ 76.012905][ T4271] mutex_lock_nested+0xac/0x11c [ 76.014390][ T4271] rfkill_register+0x44/0x77c [ 76.015861][ T4271] hci_register_dev+0x3d8/0x854 [ 76.017381][ T4271] vhci_create_device+0x2bc/0x564 [ 76.018932][ T4271] vhci_write+0x30c/0x3ac [ 76.020291][ T4271] vfs_write+0x7c8/0xa2c [ 76.021625][ T4271] ksys_write+0x120/0x210 [ 76.022977][ T4271] __arm64_sys_write+0x7c/0x90 [ 76.024448][ T4271] invoke_syscall+0x98/0x2b8 [ 76.025907][ T4271] el0_svc_common+0x138/0x258 [ 76.027350][ T4271] do_el0_svc+0x58/0x14c [ 76.028707][ T4271] el0_svc+0x78/0x1e0 [ 76.029976][ T4271] el0t_64_sync_handler+0xcc/0xe4 [ 76.031527][ T4271] el0t_64_sync+0x1a0/0x1a4 [ 76.032916][ T4271] [ 76.032916][ T4271] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 76.035110][ T4271] __mutex_lock_common+0x194/0x1edc [ 76.036753][ T4271] mutex_lock_nested+0xac/0x11c [ 76.038327][ T4271] vhci_send_frame+0x88/0x118 [ 76.039793][ T4271] hci_send_frame+0x194/0x2f0 [ 76.041232][ T4271] hci_tx_work+0x7e4/0x1394 [ 76.042657][ T4271] process_one_work+0x79c/0x1140 [ 76.044476][ T4271] worker_thread+0x8f4/0x101c [ 76.045980][ T4271] kthread+0x374/0x454 [ 76.047411][ T4271] ret_from_fork+0x10/0x20 [ 76.048827][ T4271] [ 76.048827][ T4271] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 76.051437][ T4271] __flush_work+0xf4/0x1bc [ 76.052782][ T4271] flush_work+0x24/0x38 [ 76.054167][ T4271] hci_dev_do_close+0x164/0x105c [ 76.055667][ T4271] hci_unregister_dev+0x23c/0x4c0 [ 76.057231][ T4271] vhci_release+0x74/0xc4 [ 76.058613][ T4271] __fput+0x1c0/0x7f8 [ 76.059866][ T4271] ____fput+0x20/0x30 [ 76.061151][ T4271] task_work_run+0x12c/0x1e0 [ 76.062575][ T4271] do_exit+0x67c/0x1f58 [ 76.063893][ T4271] do_group_exit+0x100/0x268 [ 76.065329][ T4271] get_signal+0x73c/0x1340 [ 76.066750][ T4271] do_notify_resume+0x35c/0x3128 [ 76.068279][ T4271] el0_svc+0xf0/0x1e0 [ 76.069590][ T4271] el0t_64_sync_handler+0xcc/0xe4 [ 76.071141][ T4271] el0t_64_sync+0x1a0/0x1a4 [ 76.072515][ T4271] [ 76.072515][ T4271] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 76.074619][ T4271] __mutex_lock_common+0x194/0x1edc [ 76.076181][ T4271] mutex_lock_nested+0xac/0x11c [ 76.077754][ T4271] bg_scan_update+0x48/0x3d0 [ 76.079195][ T4271] process_one_work+0x79c/0x1140 [ 76.080691][ T4271] worker_thread+0x8f4/0x101c [ 76.082160][ T4271] kthread+0x374/0x454 [ 76.083442][ T4271] ret_from_fork+0x10/0x20 [ 76.084832][ T4271] [ 76.084832][ T4271] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 76.087625][ T4271] __lock_acquire+0x2928/0x651c [ 76.089166][ T4271] lock_acquire+0x1f4/0x620 [ 76.090647][ T4271] __flush_work+0xf4/0x1bc [ 76.091982][ T4271] __cancel_work_timer+0x2ec/0x448 [ 76.093526][ T4271] cancel_work_sync+0x24/0x38 [ 76.094993][ T4271] hci_request_cancel_all+0xbc/0x2d0 [ 76.096639][ T4271] hci_dev_do_close+0x54/0x105c [ 76.098166][ T4271] hci_rfkill_set_block+0xdc/0x1d0 [ 76.099711][ T4271] rfkill_set_block+0x18c/0x374 [ 76.101195][ T4271] rfkill_fop_write+0x4a4/0x5cc [ 76.102747][ T4271] vfs_write+0x280/0xa2c [ 76.104100][ T4271] ksys_write+0x120/0x210 [ 76.105565][ T4271] __arm64_sys_write+0x7c/0x90 [ 76.107115][ T4271] invoke_syscall+0x98/0x2b8 [ 76.108546][ T4271] el0_svc_common+0x138/0x258 [ 76.109977][ T4271] do_el0_svc+0x58/0x14c [ 76.111343][ T4271] el0_svc+0x78/0x1e0 [ 76.112577][ T4271] el0t_64_sync_handler+0xcc/0xe4 [ 76.114145][ T4271] el0t_64_sync+0x1a0/0x1a4 [ 76.115532][ T4271] [ 76.115532][ T4271] other info that might help us debug this: [ 76.115532][ T4271] [ 76.118495][ T4271] Chain exists of: [ 76.118495][ T4271] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 76.118495][ T4271] [ 76.122952][ T4271] Possible unsafe locking scenario: [ 76.122952][ T4271] [ 76.125031][ T4271] CPU0 CPU1 [ 76.126537][ T4271] ---- ---- [ 76.128082][ T4271] lock(rfkill_global_mutex); [ 76.129469][ T4271] lock(&data->open_mutex); [ 76.131484][ T4271] lock(rfkill_global_mutex); [ 76.133557][ T4271] lock((work_completion)(&hdev->bg_scan_update)); [ 76.135472][ T4271] [ 76.135472][ T4271] *** DEADLOCK *** [ 76.135472][ T4271] [ 76.137749][ T4271] 1 lock held by syz.0.16/4271: [ 76.139094][ T4271] #0: ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 76.141918][ T4271] [ 76.141918][ T4271] stack backtrace: [ 76.143569][ T4271] CPU: 0 PID: 4271 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 76.145810][ T4271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.148641][ T4271] Call trace: [ 76.149558][ T4271] dump_backtrace+0x0/0x43c [ 76.150843][ T4271] show_stack+0x2c/0x3c [ 76.152011][ T4271] __dump_stack+0x30/0x40 [ 76.153276][ T4271] dump_stack_lvl+0xf8/0x160 [ 76.154571][ T4271] dump_stack+0x1c/0x5c [ 76.155735][ T4271] print_circular_bug+0x148/0x1b0 [ 76.157189][ T4271] check_noncircular+0x240/0x2d4 [ 76.158556][ T4271] __lock_acquire+0x2928/0x651c [ 76.159914][ T4271] lock_acquire+0x1f4/0x620 [ 76.161207][ T4271] __flush_work+0xf4/0x1bc [ 76.162401][ T4271] __cancel_work_timer+0x2ec/0x448 [ 76.163848][ T4271] cancel_work_sync+0x24/0x38 [ 76.165153][ T4271] hci_request_cancel_all+0xbc/0x2d0 [ 76.166688][ T4271] hci_dev_do_close+0x54/0x105c [ 76.168072][ T4271] hci_rfkill_set_block+0xdc/0x1d0 [ 76.169553][ T4271] rfkill_set_block+0x18c/0x374 [ 76.170849][ T4271] rfkill_fop_write+0x4a4/0x5cc [ 76.172132][ T4271] vfs_write+0x280/0xa2c [ 76.173330][ T4271] ksys_write+0x120/0x210 [ 76.174593][ T4271] __arm64_sys_write+0x7c/0x90 [ 76.175850][ T4271] invoke_syscall+0x98/0x2b8 [ 76.177132][ T4271] el0_svc_common+0x138/0x258 [ 76.178412][ T4271] do_el0_svc+0x58/0x14c [ 76.179620][ T4271] el0_svc+0x78/0x1e0 [ 76.180725][ T4271] el0t_64_sync_handler+0xcc/0xe4 [ 76.182119][ T4271] el0t_64_sync+0x1a0/0x1a4