Warning: Permanently added '10.128.0.9' (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 [ 47.671307][ T4022] cgroup: Unknown subsys name 'net' [ 47.903945][ T4022] cgroup: Unknown subsys name 'rlimit' [ 48.275543][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.275084][ T4055] chnl_net:caif_netlink_parms(): no params data found [ 55.315940][ T4055] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.317648][ T4055] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.320398][ T4055] device bridge_slave_0 entered promiscuous mode [ 55.324306][ T4055] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.325971][ T4055] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.328478][ T4055] device bridge_slave_1 entered promiscuous mode [ 55.345186][ T4055] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.349235][ T4055] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.364131][ T4055] team0: Port device team_slave_0 added [ 55.371041][ T4055] team0: Port device team_slave_1 added [ 55.383922][ T4055] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.385411][ T4055] 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. [ 55.391328][ T4055] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.395160][ T4055] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.396492][ T4055] 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. [ 55.401805][ T4055] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.521306][ T4055] device hsr_slave_0 entered promiscuous mode [ 55.559268][ T4055] device hsr_slave_1 entered promiscuous mode [ 55.714601][ T4055] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.770714][ T4055] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.830070][ T4055] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.869951][ T4055] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.957437][ T4055] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.959070][ T4055] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.961029][ T4055] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.962656][ T4055] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.013227][ T4055] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.023118][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.026978][ T333] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.033362][ T333] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.036053][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.046079][ T4055] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.053020][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.055248][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.056755][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.063163][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.065257][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.066750][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.084437][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.089919][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.096125][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.104503][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.110811][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.116012][ T4055] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.194113][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.195867][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.205563][ T4055] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.220281][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.232074][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.234700][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.236866][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.249156][ T4055] device veth0_vlan entered promiscuous mode [ 56.255665][ T4055] device veth1_vlan entered promiscuous mode [ 56.274093][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.276445][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.282113][ T4055] device veth0_macvtap entered promiscuous mode [ 56.287341][ T4055] device veth1_macvtap entered promiscuous mode [ 56.300218][ T4055] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.301992][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.304128][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.306317][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.311471][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.316369][ T4055] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.320776][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.323120][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.326612][ T4055] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.329517][ T4055] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.331478][ T4055] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.333319][ T4055] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.482544][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.484264][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.486744][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.500253][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.502084][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.504348][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:57 executed programs: 0 [ 57.345098][ T4108] chnl_net:caif_netlink_parms(): no params data found [ 57.377902][ T4108] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.379586][ T4108] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.381669][ T4108] device bridge_slave_0 entered promiscuous mode [ 57.403153][ T4108] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.404890][ T4108] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.407119][ T4108] device bridge_slave_1 entered promiscuous mode [ 57.425081][ T4108] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.429316][ T4108] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.443211][ T4108] team0: Port device team_slave_0 added [ 57.446107][ T4108] team0: Port device team_slave_1 added [ 57.460401][ T4108] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.461807][ T4108] 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. [ 57.467310][ T4108] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.473925][ T4108] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.475335][ T4108] 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. [ 57.481064][ T4108] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.539823][ T4108] device hsr_slave_0 entered promiscuous mode [ 57.578228][ T4108] device hsr_slave_1 entered promiscuous mode [ 57.617969][ T4108] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.619656][ T4108] Cannot create hsr debugfs directory [ 57.684253][ T4108] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.308278][ T4072] Bluetooth: hci0: command 0x0409 tx timeout [ 60.206971][ T4108] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.388559][ T4076] Bluetooth: hci0: command 0x041b tx timeout [ 61.645164][ T4108] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.725909][ T4108] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.866745][ T4108] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.909903][ T4108] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.941659][ T4108] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.990272][ T4108] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.086230][ T4108] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.131535][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.133672][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.139724][ T4108] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.143760][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.146154][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.152464][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.154017][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.155968][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.161964][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.164056][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.166077][ T1643] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.167559][ T1643] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.172504][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.177286][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.183085][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.185982][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.190795][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.195113][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.197644][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.203938][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.206257][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.211746][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.214203][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.220303][ T4108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.291498][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.293344][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.299691][ T4108] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.312522][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.314898][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.326482][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.329535][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.331886][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.333859][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.339564][ T4108] device veth0_vlan entered promiscuous mode [ 62.346434][ T4108] device veth1_vlan entered promiscuous mode [ 62.360094][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.362337][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.364501][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.366680][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.373345][ T4108] device veth0_macvtap entered promiscuous mode [ 62.377341][ T4108] device veth1_macvtap entered promiscuous mode [ 62.386798][ T4108] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.389201][ T4108] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.392421][ T4108] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.395893][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.398182][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.400372][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.402735][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.407762][ T4108] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.409944][ T4108] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.412908][ T4108] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.414419][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.416615][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.447600][ T4108] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.449605][ T4108] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.451592][ T4108] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.453464][ T4108] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.490390][ T1643] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.494732][ T1643] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.503221][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.509155][ T4129] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.510882][ T4129] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.513224][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.684020][ T4130] [ 62.684486][ T4130] ====================================================== [ 62.685964][ T4130] WARNING: possible circular locking dependency detected [ 62.687525][ T4130] 5.15.173-syzkaller #0 Not tainted [ 62.688615][ T4130] ------------------------------------------------------ [ 62.690155][ T4130] syz.0.15/4130 is trying to acquire lock: [ 62.691231][ T4130] ffff0000d5120c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 62.693415][ T4130] [ 62.693415][ T4130] but task is already holding lock: [ 62.695042][ T4130] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 62.697144][ T4130] [ 62.697144][ T4130] which lock already depends on the new lock. [ 62.697144][ T4130] [ 62.699227][ T4130] [ 62.699227][ T4130] the existing dependency chain (in reverse order) is: [ 62.701014][ T4130] [ 62.701014][ T4130] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 62.702666][ T4130] __mutex_lock_common+0x194/0x2154 [ 62.703834][ T4130] mutex_lock_nested+0xa4/0xf8 [ 62.704892][ T4130] rfkill_register+0x44/0x7a4 [ 62.705970][ T4130] hci_register_dev+0x3e0/0x880 [ 62.707033][ T4130] vhci_create_device+0x2c4/0x568 [ 62.708240][ T4130] vhci_write+0x318/0x3b8 [ 62.709266][ T4130] vfs_write+0x884/0xb44 [ 62.710269][ T4130] ksys_write+0x15c/0x26c [ 62.711279][ T4130] __arm64_sys_write+0x7c/0x90 [ 62.712397][ T4130] invoke_syscall+0x98/0x2b8 [ 62.713509][ T4130] el0_svc_common+0x138/0x258 [ 62.714542][ T4130] do_el0_svc+0x58/0x14c [ 62.715547][ T4130] el0_svc+0x7c/0x1f0 [ 62.716471][ T4130] el0t_64_sync_handler+0x84/0xe4 [ 62.717678][ T4130] el0t_64_sync+0x1a0/0x1a4 [ 62.718740][ T4130] [ 62.718740][ T4130] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 62.720433][ T4130] __mutex_lock_common+0x194/0x2154 [ 62.721647][ T4130] mutex_lock_nested+0xa4/0xf8 [ 62.722833][ T4130] vhci_send_frame+0x8c/0x10c [ 62.723967][ T4130] hci_send_frame+0x194/0x2f0 [ 62.725099][ T4130] hci_tx_work+0x9ac/0x16cc [ 62.726050][ T4130] process_one_work+0x790/0x11b8 [ 62.727301][ T4130] worker_thread+0x910/0x1034 [ 62.728452][ T4130] kthread+0x37c/0x45c [ 62.729359][ T4130] ret_from_fork+0x10/0x20 [ 62.730495][ T4130] [ 62.730495][ T4130] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 62.732472][ T4130] __flush_work+0xf8/0x1c0 [ 62.733618][ T4130] flush_work+0x24/0x38 [ 62.734593][ T4130] hci_dev_do_close+0x16c/0x1060 [ 62.735871][ T4130] hci_unregister_dev+0x248/0x4d4 [ 62.737007][ T4130] vhci_release+0x74/0xc4 [ 62.737986][ T4130] __fput+0x1c4/0x800 [ 62.738938][ T4130] ____fput+0x20/0x30 [ 62.739861][ T4130] task_work_run+0x130/0x1e4 [ 62.740996][ T4130] do_exit+0x670/0x20bc [ 62.742043][ T4130] do_group_exit+0x110/0x268 [ 62.743086][ T4130] get_signal+0x634/0x1550 [ 62.744193][ T4130] do_notify_resume+0x3d0/0x32b8 [ 62.745248][ T4130] el0_svc+0xfc/0x1f0 [ 62.746321][ T4130] el0t_64_sync_handler+0x84/0xe4 [ 62.747511][ T4130] el0t_64_sync+0x1a0/0x1a4 [ 62.748517][ T4130] [ 62.748517][ T4130] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 62.750224][ T4130] __mutex_lock_common+0x194/0x2154 [ 62.751401][ T4130] mutex_lock_nested+0xa4/0xf8 [ 62.752420][ T4130] bg_scan_update+0x9c/0x470 [ 62.753598][ T4130] process_one_work+0x790/0x11b8 [ 62.754789][ T4130] worker_thread+0x910/0x1034 [ 62.755801][ T4130] kthread+0x37c/0x45c [ 62.756818][ T4130] ret_from_fork+0x10/0x20 [ 62.757937][ T4130] [ 62.757937][ T4130] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 62.759941][ T4130] __lock_acquire+0x32d4/0x7638 [ 62.761071][ T4130] lock_acquire+0x240/0x77c [ 62.762108][ T4130] __flush_work+0xf8/0x1c0 [ 62.763203][ T4130] __cancel_work_timer+0x3ec/0x548 [ 62.764480][ T4130] cancel_work_sync+0x24/0x38 [ 62.765587][ T4130] hci_request_cancel_all+0xcc/0x2d0 [ 62.766831][ T4130] hci_dev_do_close+0x54/0x1060 [ 62.767926][ T4130] hci_rfkill_set_block+0xdc/0x1d0 [ 62.769044][ T4130] rfkill_set_block+0x18c/0x37c [ 62.770057][ T4130] rfkill_fop_write+0x594/0x750 [ 62.771198][ T4130] vfs_write+0x280/0xb44 [ 62.772216][ T4130] ksys_write+0x15c/0x26c [ 62.773156][ T4130] __arm64_sys_write+0x7c/0x90 [ 62.774277][ T4130] invoke_syscall+0x98/0x2b8 [ 62.775439][ T4130] el0_svc_common+0x138/0x258 [ 62.776453][ T4130] do_el0_svc+0x58/0x14c [ 62.777525][ T4130] el0_svc+0x7c/0x1f0 [ 62.778521][ T4130] el0t_64_sync_handler+0x84/0xe4 [ 62.779741][ T4130] el0t_64_sync+0x1a0/0x1a4 [ 62.780814][ T4130] [ 62.780814][ T4130] other info that might help us debug this: [ 62.780814][ T4130] [ 62.783153][ T4130] Chain exists of: [ 62.783153][ T4130] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 62.783153][ T4130] [ 62.786360][ T4130] Possible unsafe locking scenario: [ 62.786360][ T4130] [ 62.787953][ T4130] CPU0 CPU1 [ 62.789135][ T4130] ---- ---- [ 62.790345][ T4130] lock(rfkill_global_mutex); [ 62.791254][ T4130] lock(&data->open_mutex); [ 62.792744][ T4130] lock(rfkill_global_mutex); [ 62.794319][ T4130] lock((work_completion)(&hdev->bg_scan_update)); [ 62.795634][ T4130] [ 62.795634][ T4130] *** DEADLOCK *** [ 62.795634][ T4130] [ 62.797346][ T4130] 1 lock held by syz.0.15/4130: [ 62.798311][ T4130] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 62.800420][ T4130] [ 62.800420][ T4130] stack backtrace: [ 62.801709][ T4130] CPU: 1 PID: 4130 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 62.803377][ T4130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.805465][ T4130] Call trace: [ 62.806139][ T4130] dump_backtrace+0x0/0x530 [ 62.807042][ T4130] show_stack+0x2c/0x3c [ 62.808009][ T4130] dump_stack_lvl+0x108/0x170 [ 62.809009][ T4130] dump_stack+0x1c/0x58 [ 62.809905][ T4130] print_circular_bug+0x150/0x1b8 [ 62.811015][ T4130] check_noncircular+0x2cc/0x378 [ 62.812172][ T4130] __lock_acquire+0x32d4/0x7638 [ 62.813233][ T4130] lock_acquire+0x240/0x77c [ 62.814189][ T4130] __flush_work+0xf8/0x1c0 [ 62.815262][ T4130] __cancel_work_timer+0x3ec/0x548 [ 62.816376][ T4130] cancel_work_sync+0x24/0x38 [ 62.817276][ T4130] hci_request_cancel_all+0xcc/0x2d0 [ 62.818341][ T4130] hci_dev_do_close+0x54/0x1060 [ 62.819452][ T4130] hci_rfkill_set_block+0xdc/0x1d0 [ 62.820513][ T4130] rfkill_set_block+0x18c/0x37c [ 62.821530][ T4130] rfkill_fop_write+0x594/0x750 [ 62.822669][ T4130] vfs_write+0x280/0xb44 [ 62.823610][ T4130] ksys_write+0x15c/0x26c [ 62.824615][ T4130] __arm64_sys_write+0x7c/0x90 [ 62.825681][ T4130] invoke_syscall+0x98/0x2b8 [ 62.826633][ T4130] el0_svc_common+0x138/0x258 [ 62.827566][ T4130] do_el0_svc+0x58/0x14c [ 62.828471][ T4130] el0_svc+0x7c/0x1f0 [ 62.829288][ T4130] el0t_64_sync_handler+0x84/0xe4 [ 62.830315][ T4130] el0t_64_sync+0x1a0/0x1a4