Warning: Permanently added '10.128.0.49' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 49.567080][ T4025] cgroup: Unknown subsys name 'net' [ 49.846064][ T4025] cgroup: Unknown subsys name 'rlimit' [ 50.191710][ T4025] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 60.414827][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.416475][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.418985][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.431240][ T1824] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.432886][ T1824] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.435169][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.329110][ T4073] chnl_net:caif_netlink_parms(): no params data found [ 61.376091][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.377742][ T4073] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.379874][ T4073] device bridge_slave_0 entered promiscuous mode [ 61.385777][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.387325][ T4073] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.389373][ T4073] device bridge_slave_1 entered promiscuous mode [ 61.404865][ T4073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.408910][ T4073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.425361][ T4073] team0: Port device team_slave_0 added [ 61.428430][ T4073] team0: Port device team_slave_1 added [ 61.445656][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.447218][ T4073] 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. [ 61.453165][ T4073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.457087][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.458660][ T4073] 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. [ 61.465516][ T4073] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.552715][ T4073] device hsr_slave_0 entered promiscuous mode [ 61.590484][ T4073] device hsr_slave_1 entered promiscuous mode [ 61.715855][ T4073] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.792623][ T4073] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.834603][ T4073] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.882774][ T4073] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.002922][ T4073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.014459][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.016935][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.024509][ T4073] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.028784][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.031056][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.033212][ T1824] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.034837][ T1824] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.038260][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.053565][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.055921][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.058101][ T1824] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.059548][ T1824] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.062726][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.065162][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.082676][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.086660][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.088921][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.092643][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.095044][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.097268][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.102852][ T4073] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.105542][ T4073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.108549][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.179308][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.181010][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.187992][ T4073] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.205664][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.221480][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.224021][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.226009][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.231953][ T4073] device veth0_vlan entered promiscuous mode [ 62.238012][ T4073] device veth1_vlan entered promiscuous mode [ 62.255264][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.257346][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.259569][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.263867][ T4073] device veth0_macvtap entered promiscuous mode [ 62.267784][ T4073] device veth1_macvtap entered promiscuous mode [ 62.279575][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.281868][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.284205][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.286431][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.294910][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.296958][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.302364][ T4073] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.304262][ T4073] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.305914][ T4073] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.307676][ T4073] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:02 executed programs: 0 [ 62.973322][ T4117] chnl_net:caif_netlink_parms(): no params data found [ 63.041877][ T4117] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.043500][ T4117] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.045569][ T4117] device bridge_slave_0 entered promiscuous mode [ 63.048609][ T4117] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.050167][ T4117] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.052213][ T4117] device bridge_slave_1 entered promiscuous mode [ 63.068318][ T4117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.072216][ T4117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.086546][ T4117] team0: Port device team_slave_0 added [ 63.090545][ T4117] team0: Port device team_slave_1 added [ 63.102943][ T4117] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.104570][ T4117] 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. [ 63.109860][ T4117] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.113583][ T4117] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.114894][ T4117] 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. [ 63.120429][ T4117] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.192111][ T4117] device hsr_slave_0 entered promiscuous mode [ 63.240355][ T4117] device hsr_slave_1 entered promiscuous mode [ 63.290256][ T4117] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.292026][ T4117] Cannot create hsr debugfs directory [ 63.354983][ T4117] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.900535][ T4095] Bluetooth: hci1: command 0x0409 tx timeout [ 66.197330][ T4117] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.980556][ T4095] Bluetooth: hci1: command 0x041b tx timeout [ 68.239586][ T4117] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.315068][ T4117] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.556726][ T4117] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.585318][ T4117] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.622416][ T4117] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.662819][ T4117] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.782519][ T4117] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.789291][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.791665][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.795806][ T4117] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.799877][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.802548][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.804839][ T1641] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.806301][ T1641] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.808363][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.834328][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.836471][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.838481][ T1641] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.840083][ T1641] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.844331][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.849006][ T1641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.855440][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.858065][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.861358][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.864863][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.867080][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.874430][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.876639][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.881653][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.883735][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.887644][ T4117] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.954483][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.956136][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.962151][ T4117] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.973477][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.975639][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.986731][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.989118][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.994542][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.996426][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.001704][ T4117] device veth0_vlan entered promiscuous mode [ 69.008552][ T4117] device veth1_vlan entered promiscuous mode [ 69.022560][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.024622][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.026602][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.028723][ T1824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.034821][ T4117] device veth0_macvtap entered promiscuous mode [ 69.038582][ T4117] device veth1_macvtap entered promiscuous mode [ 69.060636][ T4126] Bluetooth: hci1: command 0x040f tx timeout [ 69.067268][ T4117] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.069377][ T4117] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.072848][ T4117] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.074344][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.076452][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.078646][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.083124][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.109478][ T4117] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.112166][ T4117] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.115039][ T4117] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.117152][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.119745][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.123889][ T4117] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.125698][ T4117] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.127383][ T4117] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.129081][ T4117] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.182948][ T294] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.184543][ T294] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.186631][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.200914][ T1824] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.202600][ T1824] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.204969][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.286595][ T4135] [ 69.287096][ T4135] ====================================================== [ 69.288357][ T4135] WARNING: possible circular locking dependency detected [ 69.289656][ T4135] 5.15.171-syzkaller #0 Not tainted [ 69.290672][ T4135] ------------------------------------------------------ [ 69.291966][ T4135] syz.0.15/4135 is trying to acquire lock: [ 69.293185][ T4135] ffff0000d6354c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 69.295529][ T4135] [ 69.295529][ T4135] but task is already holding lock: [ 69.297069][ T4135] ffff800016e86ee8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 69.299103][ T4135] [ 69.299103][ T4135] which lock already depends on the new lock. [ 69.299103][ T4135] [ 69.301260][ T4135] [ 69.301260][ T4135] the existing dependency chain (in reverse order) is: [ 69.303107][ T4135] [ 69.303107][ T4135] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 69.304729][ T4135] __mutex_lock_common+0x194/0x2154 [ 69.305962][ T4135] mutex_lock_nested+0xa4/0xf8 [ 69.307102][ T4135] rfkill_register+0x44/0x7a4 [ 69.308219][ T4135] hci_register_dev+0x3e0/0x880 [ 69.309249][ T4135] vhci_create_device+0x2c4/0x568 [ 69.310300][ T4135] vhci_write+0x318/0x3b8 [ 69.311290][ T4135] vfs_write+0x884/0xb44 [ 69.312273][ T4135] ksys_write+0x15c/0x26c [ 69.313334][ T4135] __arm64_sys_write+0x7c/0x90 [ 69.314476][ T4135] invoke_syscall+0x98/0x2b8 [ 69.315485][ T4135] el0_svc_common+0x138/0x258 [ 69.316661][ T4135] do_el0_svc+0x58/0x14c [ 69.317550][ T4135] el0_svc+0x7c/0x1f0 [ 69.318373][ T4135] el0t_64_sync_handler+0x84/0xe4 [ 69.319528][ T4135] el0t_64_sync+0x1a0/0x1a4 [ 69.320564][ T4135] [ 69.320564][ T4135] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 69.322259][ T4135] __mutex_lock_common+0x194/0x2154 [ 69.323505][ T4135] mutex_lock_nested+0xa4/0xf8 [ 69.324512][ T4135] vhci_send_frame+0x8c/0x10c [ 69.325503][ T4135] hci_send_frame+0x194/0x2f0 [ 69.326517][ T4135] hci_tx_work+0x9ac/0x16cc [ 69.327555][ T4135] process_one_work+0x790/0x11b8 [ 69.328690][ T4135] worker_thread+0x910/0x1034 [ 69.329762][ T4135] kthread+0x37c/0x45c [ 69.330630][ T4135] ret_from_fork+0x10/0x20 [ 69.331661][ T4135] [ 69.331661][ T4135] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 69.333657][ T4135] __flush_work+0xf8/0x1c0 [ 69.334698][ T4135] flush_work+0x24/0x38 [ 69.335669][ T4135] hci_dev_do_close+0x16c/0x1060 [ 69.336742][ T4135] hci_unregister_dev+0x248/0x4d4 [ 69.337786][ T4135] vhci_release+0x74/0xc4 [ 69.338755][ T4135] __fput+0x1c4/0x800 [ 69.339629][ T4135] ____fput+0x20/0x30 [ 69.340526][ T4135] task_work_run+0x130/0x1e4 [ 69.341630][ T4135] do_exit+0x670/0x20bc [ 69.342614][ T4135] do_group_exit+0x110/0x268 [ 69.343626][ T4135] get_signal+0x634/0x1550 [ 69.344647][ T4135] do_notify_resume+0x3d0/0x32b8 [ 69.345825][ T4135] el0_svc+0xfc/0x1f0 [ 69.346711][ T4135] el0t_64_sync_handler+0x84/0xe4 [ 69.347808][ T4135] el0t_64_sync+0x1a0/0x1a4 [ 69.348781][ T4135] [ 69.348781][ T4135] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 69.350316][ T4135] __mutex_lock_common+0x194/0x2154 [ 69.351528][ T4135] mutex_lock_nested+0xa4/0xf8 [ 69.352493][ T4135] bg_scan_update+0x9c/0x470 [ 69.353602][ T4135] process_one_work+0x790/0x11b8 [ 69.354675][ T4135] worker_thread+0x910/0x1034 [ 69.355732][ T4135] kthread+0x37c/0x45c [ 69.356701][ T4135] ret_from_fork+0x10/0x20 [ 69.357741][ T4135] [ 69.357741][ T4135] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 69.359797][ T4135] __lock_acquire+0x32d4/0x7638 [ 69.360826][ T4135] lock_acquire+0x240/0x77c [ 69.361936][ T4135] __flush_work+0xf8/0x1c0 [ 69.362978][ T4135] __cancel_work_timer+0x3ec/0x548 [ 69.364175][ T4135] cancel_work_sync+0x24/0x38 [ 69.365192][ T4135] hci_request_cancel_all+0xcc/0x2d0 [ 69.366412][ T4135] hci_dev_do_close+0x54/0x1060 [ 69.367485][ T4135] hci_rfkill_set_block+0xdc/0x1d0 [ 69.368654][ T4135] rfkill_set_block+0x18c/0x37c [ 69.369759][ T4135] rfkill_fop_write+0x594/0x750 [ 69.370763][ T4135] vfs_write+0x280/0xb44 [ 69.371749][ T4135] ksys_write+0x15c/0x26c [ 69.372712][ T4135] __arm64_sys_write+0x7c/0x90 [ 69.373759][ T4135] invoke_syscall+0x98/0x2b8 [ 69.374788][ T4135] el0_svc_common+0x138/0x258 [ 69.375887][ T4135] do_el0_svc+0x58/0x14c [ 69.376804][ T4135] el0_svc+0x7c/0x1f0 [ 69.377737][ T4135] el0t_64_sync_handler+0x84/0xe4 [ 69.378982][ T4135] el0t_64_sync+0x1a0/0x1a4 [ 69.380034][ T4135] [ 69.380034][ T4135] other info that might help us debug this: [ 69.380034][ T4135] [ 69.382379][ T4135] Chain exists of: [ 69.382379][ T4135] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 69.382379][ T4135] [ 69.385651][ T4135] Possible unsafe locking scenario: [ 69.385651][ T4135] [ 69.387110][ T4135] CPU0 CPU1 [ 69.388232][ T4135] ---- ---- [ 69.389365][ T4135] lock(rfkill_global_mutex); [ 69.390464][ T4135] lock(&data->open_mutex); [ 69.391874][ T4135] lock(rfkill_global_mutex); [ 69.393420][ T4135] lock((work_completion)(&hdev->bg_scan_update)); [ 69.394771][ T4135] [ 69.394771][ T4135] *** DEADLOCK *** [ 69.394771][ T4135] [ 69.396371][ T4135] 1 lock held by syz.0.15/4135: [ 69.397443][ T4135] #0: ffff800016e86ee8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 69.399562][ T4135] [ 69.399562][ T4135] stack backtrace: [ 69.400763][ T4135] CPU: 0 PID: 4135 Comm: syz.0.15 Not tainted 5.15.171-syzkaller #0 [ 69.402318][ T4135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 69.404300][ T4135] Call trace: [ 69.404946][ T4135] dump_backtrace+0x0/0x530 [ 69.405870][ T4135] show_stack+0x2c/0x3c [ 69.406700][ T4135] dump_stack_lvl+0x108/0x170 [ 69.407622][ T4135] dump_stack+0x1c/0x58 [ 69.408441][ T4135] print_circular_bug+0x150/0x1b8 [ 69.409442][ T4135] check_noncircular+0x2cc/0x378 [ 69.410383][ T4135] __lock_acquire+0x32d4/0x7638 [ 69.411364][ T4135] lock_acquire+0x240/0x77c [ 69.412378][ T4135] __flush_work+0xf8/0x1c0 [ 69.413233][ T4135] __cancel_work_timer+0x3ec/0x548 [ 69.414312][ T4135] cancel_work_sync+0x24/0x38 [ 69.415271][ T4135] hci_request_cancel_all+0xcc/0x2d0 [ 69.416367][ T4135] hci_dev_do_close+0x54/0x1060 [ 69.417406][ T4135] hci_rfkill_set_block+0xdc/0x1d0 [ 69.418578][ T4135] rfkill_set_block+0x18c/0x37c [ 69.419593][ T4135] rfkill_fop_write+0x594/0x750 [ 69.420582][ T4135] vfs_write+0x280/0xb44 [ 69.421457][ T4135] ksys_write+0x15c/0x26c [ 69.422378][ T4135] __arm64_sys_write+0x7c/0x90 [ 69.423429][ T4135] invoke_syscall+0x98/0x2b8 [ 69.424326][ T4135] el0_svc_common+0x138/0x258 [ 69.425303][ T4135] do_el0_svc+0x58/0x14c [ 69.426324][ T4135] el0_svc+0x7c/0x1f0 [ 69.427216][ T4135] el0t_64_sync_handler+0x84/0xe4 [ 69.428221][ T4135] el0t_64_sync+0x1a0/0x1a4 [ 69.621284][ T7] cfg80211: failed to load regulatory.db [ 69.622866][ T2059] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.624123][ T2059] ieee802154 phy1 wpan1: encryption failed: -22