Warning: Permanently added '10.128.0.121' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs syzkaller login: [ 48.239070][ T4030] cgroup: Unknown subsys name 'net' [ 48.473855][ T4030] cgroup: Unknown subsys name 'rlimit' [ 48.795163][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 61.542831][ T1715] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.545069][ T1715] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.555413][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.562508][ T1715] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.564568][ T1715] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.567300][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.132406][ T4079] chnl_net:caif_netlink_parms(): no params data found [ 62.172697][ T4079] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.174726][ T4079] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.177411][ T4079] device bridge_slave_0 entered promiscuous mode [ 62.183161][ T4079] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.185801][ T4079] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.188678][ T4079] device bridge_slave_1 entered promiscuous mode [ 62.207246][ T4079] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.212116][ T4079] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.230877][ T4079] team0: Port device team_slave_0 added [ 62.234670][ T4079] team0: Port device team_slave_1 added [ 62.249383][ T4079] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.251255][ T4079] 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. [ 62.259507][ T4079] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.264485][ T4079] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.266452][ T4079] 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. [ 62.273812][ T4079] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.341890][ T4079] device hsr_slave_0 entered promiscuous mode [ 62.379576][ T4079] device hsr_slave_1 entered promiscuous mode [ 62.513511][ T4079] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.542071][ T4079] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.610050][ T4079] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.650844][ T4079] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.746802][ T4079] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.761118][ T4079] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.763141][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.766200][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.778097][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.780791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.783417][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.785464][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.790560][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.793241][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.795949][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.797780][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.801600][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.807453][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.812249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.817043][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.820356][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.824176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.841251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.844288][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.846876][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.851539][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.854440][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.857076][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.862047][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.934150][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.936341][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.943355][ T4079] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.955120][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.958978][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.971111][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.973750][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.981259][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.985132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.994562][ T4079] device veth0_vlan entered promiscuous mode [ 63.006689][ T4079] device veth1_vlan entered promiscuous mode [ 63.030693][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.033429][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.036064][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.039559][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.046035][ T4079] device veth0_macvtap entered promiscuous mode [ 63.052309][ T4079] device veth1_macvtap entered promiscuous mode [ 63.063591][ T4079] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.065888][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.069508][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.072024][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.074579][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.081555][ T4079] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.083757][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.086663][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.092844][ T4079] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.095159][ T4079] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.097507][ T4079] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.100713][ T4079] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:03 executed programs: 0 [ 63.814562][ T4124] chnl_net:caif_netlink_parms(): no params data found [ 63.847298][ T4124] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.849976][ T4124] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.852490][ T4124] device bridge_slave_0 entered promiscuous mode [ 63.855973][ T4124] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.857890][ T4124] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.860828][ T4124] device bridge_slave_1 entered promiscuous mode [ 63.880110][ T4124] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.884446][ T4124] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.902299][ T4124] team0: Port device team_slave_0 added [ 63.905350][ T4124] team0: Port device team_slave_1 added [ 63.919156][ T4124] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.920948][ T4124] 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. [ 63.928571][ T4124] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.932799][ T4124] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.934666][ T4124] 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. [ 63.942175][ T4124] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.000162][ T4124] device hsr_slave_0 entered promiscuous mode [ 64.038372][ T4124] device hsr_slave_1 entered promiscuous mode [ 64.078116][ T4124] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.080462][ T4124] Cannot create hsr debugfs directory [ 64.138923][ T4124] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.778740][ T4041] Bluetooth: hci0: command 0x0409 tx timeout [ 66.585504][ T4124] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.858171][ T4041] Bluetooth: hci0: command 0x041b tx timeout [ 68.435933][ T4124] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.520712][ T4124] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.712392][ T4124] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.771392][ T4124] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.820317][ T4124] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.910280][ T4124] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.009660][ T4124] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.022586][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.025085][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.031195][ T4124] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.037462][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.041610][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.044339][ T1715] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.046259][ T1715] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.049868][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.063654][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.066435][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.070050][ T1715] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.071971][ T1715] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.074241][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.077048][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.083567][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.086839][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.091814][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.094603][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.097416][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.106893][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.110222][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.115894][ T4124] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.119400][ T4124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.122226][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.124946][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.204239][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.206426][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.213452][ T4124] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.230013][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.232754][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.248577][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.251239][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.254523][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.257030][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.264711][ T4124] device veth0_vlan entered promiscuous mode [ 69.270991][ T4124] device veth1_vlan entered promiscuous mode [ 69.286597][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.290952][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.293482][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.296192][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.302231][ T4124] device veth0_macvtap entered promiscuous mode [ 69.310621][ T4124] device veth1_macvtap entered promiscuous mode [ 69.323610][ T4124] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.326445][ T4124] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.332006][ T4124] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.334140][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.336730][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.341073][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.343776][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.349218][ T4124] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.351973][ T4124] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.355499][ T4124] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.359515][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.362233][ T1758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.366357][ T4124] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.369294][ T4124] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.371647][ T4124] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.373959][ T4124] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.428544][ T1715] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.430786][ T1715] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.436596][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.452261][ T293] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.454495][ T293] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.457471][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.556198][ T4137] [ 69.556957][ T4137] ====================================================== [ 69.558923][ T4137] WARNING: possible circular locking dependency detected [ 69.560756][ T4137] 5.15.178-syzkaller #0 Not tainted [ 69.562114][ T4137] ------------------------------------------------------ [ 69.563986][ T4137] syz.0.16/4137 is trying to acquire lock: [ 69.565548][ T4137] ffff0000d41c0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 69.568455][ T4137] [ 69.568455][ T4137] but task is already holding lock: [ 69.570358][ T4137] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 69.572953][ T4137] [ 69.572953][ T4137] which lock already depends on the new lock. [ 69.572953][ T4137] [ 69.575744][ T4137] [ 69.575744][ T4137] the existing dependency chain (in reverse order) is: [ 69.578073][ T4137] [ 69.578073][ T4137] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 69.580145][ T4137] __mutex_lock_common+0x194/0x2154 [ 69.581642][ T4137] mutex_lock_nested+0xa4/0xf8 [ 69.583001][ T4137] rfkill_register+0x44/0x7a4 [ 69.584348][ T4137] hci_register_dev+0x3e0/0x880 [ 69.585787][ T4137] vhci_create_device+0x2c4/0x568 [ 69.587279][ T4137] vhci_write+0x318/0x3b8 [ 69.588606][ T4137] vfs_write+0x884/0xb44 [ 69.589902][ T4137] ksys_write+0x15c/0x26c [ 69.591127][ T4137] __arm64_sys_write+0x7c/0x90 [ 69.592499][ T4137] invoke_syscall+0x98/0x2b8 [ 69.593878][ T4137] el0_svc_common+0x138/0x258 [ 69.595228][ T4137] do_el0_svc+0x58/0x14c [ 69.596502][ T4137] el0_svc+0x7c/0x1f0 [ 69.597671][ T4137] el0t_64_sync_handler+0x84/0xe4 [ 69.599095][ T4137] el0t_64_sync+0x1a0/0x1a4 [ 69.600396][ T4137] [ 69.600396][ T4137] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 69.602448][ T4137] __mutex_lock_common+0x194/0x2154 [ 69.603945][ T4137] mutex_lock_nested+0xa4/0xf8 [ 69.605329][ T4137] vhci_send_frame+0x8c/0x10c [ 69.606675][ T4137] hci_send_frame+0x194/0x2f0 [ 69.608072][ T4137] hci_tx_work+0x9ac/0x16cc [ 69.609376][ T4137] process_one_work+0x790/0x11b8 [ 69.610858][ T4137] worker_thread+0x910/0x1034 [ 69.612248][ T4137] kthread+0x37c/0x45c [ 69.613493][ T4137] ret_from_fork+0x10/0x20 [ 69.614757][ T4137] [ 69.614757][ T4137] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 69.617129][ T4137] __flush_work+0xf8/0x1c0 [ 69.618375][ T1534] cfg80211: failed to load regulatory.db [ 69.618420][ T4137] flush_work+0x24/0x38 [ 69.621207][ T4137] hci_dev_do_close+0x16c/0x1060 [ 69.622570][ T4137] hci_unregister_dev+0x248/0x4d4 [ 69.623960][ T4137] vhci_release+0x74/0xc4 [ 69.625169][ T4137] __fput+0x1c4/0x800 [ 69.626425][ T4137] ____fput+0x20/0x30 [ 69.627611][ T4137] task_work_run+0x130/0x1e4 [ 69.628978][ T4137] do_exit+0x670/0x20bc [ 69.630232][ T4137] do_group_exit+0x110/0x268 [ 69.631665][ T4137] get_signal+0x634/0x1550 [ 69.632976][ T4137] do_notify_resume+0x3d0/0x32b8 [ 69.634439][ T4137] el0_svc+0xfc/0x1f0 [ 69.635594][ T4137] el0t_64_sync_handler+0x84/0xe4 [ 69.637049][ T4137] el0t_64_sync+0x1a0/0x1a4 [ 69.638399][ T4137] [ 69.638399][ T4137] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 69.640460][ T4137] __mutex_lock_common+0x194/0x2154 [ 69.641980][ T4137] mutex_lock_nested+0xa4/0xf8 [ 69.643485][ T4137] bg_scan_update+0x9c/0x470 [ 69.644864][ T4137] process_one_work+0x790/0x11b8 [ 69.646325][ T4137] worker_thread+0x910/0x1034 [ 69.647725][ T4137] kthread+0x37c/0x45c [ 69.648886][ T4137] ret_from_fork+0x10/0x20 [ 69.650127][ T4137] [ 69.650127][ T4137] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 69.652701][ T4137] __lock_acquire+0x32d4/0x7638 [ 69.654099][ T4137] lock_acquire+0x240/0x77c [ 69.655400][ T4137] __flush_work+0xf8/0x1c0 [ 69.656639][ T4137] __cancel_work_timer+0x3ec/0x548 [ 69.658095][ T4137] cancel_work_sync+0x24/0x38 [ 69.659391][ T4137] hci_request_cancel_all+0xcc/0x2d0 [ 69.660846][ T4137] hci_dev_do_close+0x54/0x1060 [ 69.662261][ T4137] hci_rfkill_set_block+0xdc/0x1d0 [ 69.663811][ T4137] rfkill_set_block+0x18c/0x37c [ 69.665168][ T4137] rfkill_fop_write+0x594/0x750 [ 69.666558][ T4137] do_iter_write+0x33c/0x66c [ 69.667903][ T4137] do_writev+0x220/0x3ec [ 69.669100][ T4137] __arm64_sys_writev+0x80/0x94 [ 69.670457][ T4137] invoke_syscall+0x98/0x2b8 [ 69.671732][ T4137] el0_svc_common+0x138/0x258 [ 69.673061][ T4137] do_el0_svc+0x58/0x14c [ 69.674288][ T4137] el0_svc+0x7c/0x1f0 [ 69.675449][ T4137] el0t_64_sync_handler+0x84/0xe4 [ 69.676838][ T4137] el0t_64_sync+0x1a0/0x1a4 [ 69.678121][ T4137] [ 69.678121][ T4137] other info that might help us debug this: [ 69.678121][ T4137] [ 69.680752][ T4137] Chain exists of: [ 69.680752][ T4137] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 69.680752][ T4137] [ 69.684821][ T4137] Possible unsafe locking scenario: [ 69.684821][ T4137] [ 69.686685][ T4137] CPU0 CPU1 [ 69.688102][ T4137] ---- ---- [ 69.689424][ T4137] lock(rfkill_global_mutex); [ 69.690606][ T4137] lock(&data->open_mutex); [ 69.692422][ T4137] lock(rfkill_global_mutex); [ 69.694308][ T4137] lock((work_completion)(&hdev->bg_scan_update)); [ 69.695999][ T4137] [ 69.695999][ T4137] *** DEADLOCK *** [ 69.695999][ T4137] [ 69.698114][ T4137] 1 lock held by syz.0.16/4137: [ 69.699339][ T4137] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 69.701959][ T4137] [ 69.701959][ T4137] stack backtrace: [ 69.703510][ T4137] CPU: 1 PID: 4137 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 69.705537][ T4137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 69.708108][ T4137] Call trace: [ 69.708957][ T4137] dump_backtrace+0x0/0x530 [ 69.710166][ T4137] show_stack+0x2c/0x3c [ 69.711195][ T4137] dump_stack_lvl+0x108/0x170 [ 69.712382][ T4137] dump_stack+0x1c/0x58 [ 69.713427][ T4137] print_circular_bug+0x150/0x1b8 [ 69.714687][ T4137] check_noncircular+0x2cc/0x378 [ 69.716105][ T4137] __lock_acquire+0x32d4/0x7638 [ 69.717483][ T4137] lock_acquire+0x240/0x77c [ 69.718662][ T4137] __flush_work+0xf8/0x1c0 [ 69.719850][ T4137] __cancel_work_timer+0x3ec/0x548 [ 69.721188][ T4137] cancel_work_sync+0x24/0x38 [ 69.722464][ T4137] hci_request_cancel_all+0xcc/0x2d0 [ 69.723936][ T4137] hci_dev_do_close+0x54/0x1060 [ 69.725258][ T4137] hci_rfkill_set_block+0xdc/0x1d0 [ 69.726648][ T4137] rfkill_set_block+0x18c/0x37c [ 69.728008][ T4137] rfkill_fop_write+0x594/0x750 [ 69.729284][ T4137] do_iter_write+0x33c/0x66c [ 69.730514][ T4137] do_writev+0x220/0x3ec [ 69.731680][ T4137] __arm64_sys_writev+0x80/0x94 [ 69.732996][ T4137] invoke_syscall+0x98/0x2b8 [ 69.734245][ T4137] el0_svc_common+0x138/0x258 [ 69.735526][ T4137] do_el0_svc+0x58/0x14c [ 69.736627][ T4137] el0_svc+0x7c/0x1f0 [ 69.737699][ T4137] el0t_64_sync_handler+0x84/0xe4 [ 69.739028][ T4137] el0t_64_sync+0x1a0/0x1a4 [ 69.743794][ T2058] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.745611][ T2058] ieee802154 phy1 wpan1: encryption failed: -22