Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. 1970/01/01 00:00:41 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:42 parsed 1 programs [ 45.282388][ T4042] cgroup: Unknown subsys name 'net' [ 45.594277][ T4042] cgroup: Unknown subsys name 'rlimit' [ 45.925446][ T4042] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 48.330364][ T4088] chnl_net:caif_netlink_parms(): no params data found [ 48.367334][ T4088] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.370682][ T4088] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.373364][ T4088] device bridge_slave_0 entered promiscuous mode [ 48.377433][ T4088] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.379833][ T4088] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.382438][ T4088] device bridge_slave_1 entered promiscuous mode [ 48.399343][ T4088] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.403873][ T4088] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.420407][ T4088] team0: Port device team_slave_0 added [ 48.423845][ T4088] team0: Port device team_slave_1 added [ 48.437949][ T4088] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.439933][ T4088] 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. [ 48.446833][ T4088] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.453025][ T4088] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.454873][ T4088] 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. [ 48.462612][ T4088] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.531156][ T4088] device hsr_slave_0 entered promiscuous mode [ 48.569299][ T4088] device hsr_slave_1 entered promiscuous mode [ 48.685949][ T4088] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.751482][ T4088] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.800199][ T4088] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.840414][ T4088] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.905112][ T4088] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.907305][ T4088] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.909532][ T4088] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.911477][ T4088] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.953126][ T4088] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.960644][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.964788][ T616] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.970729][ T616] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.973734][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.981904][ T4088] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.987491][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.992812][ T616] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.994860][ T616] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.000845][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.003358][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.005327][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.021380][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.024341][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.031714][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.038184][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.044723][ T4088] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.048665][ T4088] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.051454][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.130927][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.133208][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.140666][ T4088] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.152536][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.164330][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.167392][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.170345][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.174511][ T4088] device veth0_vlan entered promiscuous mode [ 49.181866][ T4088] device veth1_vlan entered promiscuous mode [ 49.197582][ T4088] device veth0_macvtap entered promiscuous mode [ 49.202218][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.204881][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.210015][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.212762][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.217568][ T4088] device veth1_macvtap entered promiscuous mode [ 49.229707][ T4088] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.231987][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.248449][ T4088] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.251457][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.256306][ T4088] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.259314][ T4088] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.261737][ T4088] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.264174][ T4088] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.652138][ T1712] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.691748][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.693962][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.700174][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.700428][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.702363][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.706940][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:50 executed programs: 0 [ 50.433189][ T4128] chnl_net:caif_netlink_parms(): no params data found [ 50.464838][ T4128] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.466845][ T4128] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.469552][ T4128] device bridge_slave_0 entered promiscuous mode [ 50.473022][ T4128] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.475089][ T4128] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.477848][ T4128] device bridge_slave_1 entered promiscuous mode [ 50.492039][ T4128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.496218][ T4128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.510970][ T4128] team0: Port device team_slave_0 added [ 50.514138][ T4128] team0: Port device team_slave_1 added [ 50.526027][ T4128] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.528185][ T4128] 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. [ 50.535253][ T4128] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.539611][ T4128] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.541507][ T4128] 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. [ 50.548799][ T4128] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.609576][ T4128] device hsr_slave_0 entered promiscuous mode [ 50.648775][ T4128] device hsr_slave_1 entered promiscuous mode [ 50.687929][ T4128] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.690414][ T4128] Cannot create hsr debugfs directory [ 52.408640][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 52.416332][ T1712] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.488187][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 54.633130][ T1712] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.695408][ T1712] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.684715][ T4128] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.739519][ T4128] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.770135][ T4128] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.839475][ T4128] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.922480][ T4128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.929590][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.932193][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.936717][ T4128] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.942424][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.945092][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.948005][ T616] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.949918][ T616] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.953039][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.957346][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.960745][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.963349][ T616] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.965308][ T616] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.972931][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.979100][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.984120][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.987576][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.993596][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.999453][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.002385][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.008045][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.010865][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.014956][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.017818][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.022740][ T4128] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.119145][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.121470][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.128496][ T4128] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.139793][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.142609][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.154702][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.157488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.160423][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.163086][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.167097][ T4128] device veth0_vlan entered promiscuous mode [ 56.173835][ T4128] device veth1_vlan entered promiscuous mode [ 56.186378][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.192118][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.194700][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.197397][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.202571][ T4128] device veth0_macvtap entered promiscuous mode [ 56.207387][ T4128] device veth1_macvtap entered promiscuous mode [ 56.217208][ T4128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 56.221032][ T4128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.224621][ T4128] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.227090][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.233019][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.235814][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.238977][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.244135][ T4128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 56.246976][ T4128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.251088][ T4128] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.253185][ T602] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.255969][ T602] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.261426][ T4128] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.263777][ T4128] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.266037][ T4128] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.269326][ T4128] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.302189][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.309432][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.312582][ T602] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.319931][ T616] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.322267][ T616] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.324796][ T616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.358475][ T4185] [ 56.359206][ T4185] ====================================================== [ 56.361023][ T4185] WARNING: possible circular locking dependency detected [ 56.362921][ T4185] 5.15.187-syzkaller #0 Not tainted [ 56.364340][ T4185] ------------------------------------------------------ [ 56.366168][ T4185] syz.0.16/4185 is trying to acquire lock: [ 56.367734][ T4185] ffff0000e7f2cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 56.370781][ T4185] [ 56.370781][ T4185] but task is already holding lock: [ 56.372788][ T4185] ffff80001652d068 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 56.375493][ T4185] [ 56.375493][ T4185] which lock already depends on the new lock. [ 56.375493][ T4185] [ 56.378290][ T4185] [ 56.378290][ T4185] the existing dependency chain (in reverse order) is: [ 56.380798][ T4185] [ 56.380798][ T4185] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 56.382897][ T4185] __mutex_lock_common+0x194/0x1edc [ 56.384471][ T4185] mutex_lock_nested+0xac/0x11c [ 56.385920][ T4185] rfkill_register+0x44/0x77c [ 56.387303][ T4185] hci_register_dev+0x3d8/0x854 [ 56.388726][ T4185] vhci_create_device+0x2bc/0x564 [ 56.390317][ T4185] vhci_write+0x30c/0x3ac [ 56.391606][ T4185] vfs_write+0x7c8/0xa2c [ 56.392854][ T4185] ksys_write+0x120/0x210 [ 56.394124][ T4185] __arm64_sys_write+0x7c/0x90 [ 56.395517][ T4185] invoke_syscall+0x98/0x2b8 [ 56.396898][ T4185] el0_svc_common+0x138/0x258 [ 56.398284][ T4185] do_el0_svc+0x58/0x14c [ 56.399498][ T4185] el0_svc+0x78/0x1e0 [ 56.400701][ T4185] el0t_64_sync_handler+0xcc/0xe4 [ 56.402232][ T4185] el0t_64_sync+0x1a0/0x1a4 [ 56.403549][ T4185] [ 56.403549][ T4185] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 56.405670][ T4185] __mutex_lock_common+0x194/0x1edc [ 56.407234][ T4185] mutex_lock_nested+0xac/0x11c [ 56.408694][ T4185] vhci_send_frame+0x88/0x118 [ 56.410055][ T4185] hci_send_frame+0x194/0x2f0 [ 56.411422][ T4185] hci_tx_work+0x7e4/0x1394 [ 56.412726][ T4185] process_one_work+0x79c/0x1140 [ 56.414207][ T4185] worker_thread+0x8f4/0x101c [ 56.415613][ T4185] kthread+0x374/0x454 [ 56.416787][ T4185] ret_from_fork+0x10/0x20 [ 56.418106][ T4185] [ 56.418106][ T4185] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 56.420547][ T4185] __flush_work+0xf4/0x1bc [ 56.421920][ T4185] flush_work+0x24/0x38 [ 56.423245][ T4185] hci_dev_do_close+0x164/0x105c [ 56.424796][ T4185] hci_unregister_dev+0x23c/0x4c0 [ 56.426308][ T4185] vhci_release+0x74/0xc4 [ 56.427594][ T4185] __fput+0x1c0/0x7f8 [ 56.428788][ T4185] ____fput+0x20/0x30 [ 56.430030][ T4185] task_work_run+0x12c/0x1e0 [ 56.431419][ T4185] do_exit+0x684/0x1f58 [ 56.432669][ T4185] do_group_exit+0x100/0x268 [ 56.434040][ T4185] get_signal+0x73c/0x1340 [ 56.435426][ T4185] do_notify_resume+0x35c/0x3128 [ 56.436959][ T4185] el0_svc+0xf0/0x1e0 [ 56.438172][ T4185] el0t_64_sync_handler+0xcc/0xe4 [ 56.439678][ T4185] el0t_64_sync+0x1a0/0x1a4 [ 56.441075][ T4185] [ 56.441075][ T4185] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 56.443154][ T4185] __mutex_lock_common+0x194/0x1edc [ 56.444664][ T4185] mutex_lock_nested+0xac/0x11c [ 56.446129][ T4185] bg_scan_update+0x48/0x3d0 [ 56.447478][ T4185] process_one_work+0x79c/0x1140 [ 56.448942][ T4185] worker_thread+0x8f4/0x101c [ 56.450331][ T4185] kthread+0x374/0x454 [ 56.451587][ T4185] ret_from_fork+0x10/0x20 [ 56.452895][ T4185] [ 56.452895][ T4185] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 56.455542][ T4185] __lock_acquire+0x2928/0x651c [ 56.456979][ T4185] lock_acquire+0x1f4/0x620 [ 56.458309][ T4185] __flush_work+0xf4/0x1bc [ 56.459677][ T4185] __cancel_work_timer+0x2ec/0x448 [ 56.461247][ T4185] cancel_work_sync+0x24/0x38 [ 56.462690][ T4185] hci_request_cancel_all+0xbc/0x2d0 [ 56.464309][ T4185] hci_dev_do_close+0x54/0x105c [ 56.465758][ T4185] hci_rfkill_set_block+0xdc/0x1d0 [ 56.467302][ T4185] rfkill_set_block+0x18c/0x374 [ 56.468768][ T4185] rfkill_fop_write+0x4a4/0x5cc [ 56.470252][ T4185] vfs_write+0x280/0xa2c [ 56.471486][ T4185] ksys_write+0x120/0x210 [ 56.472828][ T4185] __arm64_sys_write+0x7c/0x90 [ 56.474269][ T4185] invoke_syscall+0x98/0x2b8 [ 56.475634][ T4185] el0_svc_common+0x138/0x258 [ 56.477018][ T4185] do_el0_svc+0x58/0x14c [ 56.478297][ T4185] el0_svc+0x78/0x1e0 [ 56.479486][ T4185] el0t_64_sync_handler+0xcc/0xe4 [ 56.480980][ T4185] el0t_64_sync+0x1a0/0x1a4 [ 56.482330][ T4185] [ 56.482330][ T4185] other info that might help us debug this: [ 56.482330][ T4185] [ 56.485127][ T4185] Chain exists of: [ 56.485127][ T4185] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 56.485127][ T4185] [ 56.489356][ T4185] Possible unsafe locking scenario: [ 56.489356][ T4185] [ 56.491370][ T4185] CPU0 CPU1 [ 56.492831][ T4185] ---- ---- [ 56.494311][ T4185] lock(rfkill_global_mutex); [ 56.495581][ T4185] lock(&data->open_mutex); [ 56.497497][ T4185] lock(rfkill_global_mutex); [ 56.499533][ T4185] lock((work_completion)(&hdev->bg_scan_update)); [ 56.501319][ T4185] [ 56.501319][ T4185] *** DEADLOCK *** [ 56.501319][ T4185] [ 56.503584][ T4185] 1 lock held by syz.0.16/4185: [ 56.504902][ T4185] #0: ffff80001652d068 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 56.507776][ T4185] [ 56.507776][ T4185] stack backtrace: [ 56.509432][ T4185] CPU: 0 PID: 4185 Comm: syz.0.16 Not tainted 5.15.187-syzkaller #0 [ 56.511585][ T4185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 56.514349][ T4185] Call trace: [ 56.515234][ T4185] dump_backtrace+0x0/0x43c [ 56.516500][ T4185] show_stack+0x2c/0x3c [ 56.517677][ T4185] __dump_stack+0x30/0x40 [ 56.518868][ T4185] dump_stack_lvl+0xf8/0x160 [ 56.520070][ T4185] dump_stack+0x1c/0x5c [ 56.521235][ T4185] print_circular_bug+0x148/0x1b0 [ 56.522566][ T4185] check_noncircular+0x240/0x2d4 [ 56.523910][ T4185] __lock_acquire+0x2928/0x651c [ 56.525231][ T4185] lock_acquire+0x1f4/0x620 [ 56.526405][ T4185] __flush_work+0xf4/0x1bc [ 56.527563][ T4185] __cancel_work_timer+0x2ec/0x448 [ 56.528970][ T4185] cancel_work_sync+0x24/0x38 [ 56.530242][ T4185] hci_request_cancel_all+0xbc/0x2d0 [ 56.531619][ T4185] hci_dev_do_close+0x54/0x105c [ 56.532894][ T4185] hci_rfkill_set_block+0xdc/0x1d0 [ 56.534239][ T4185] rfkill_set_block+0x18c/0x374 [ 56.535563][ T4185] rfkill_fop_write+0x4a4/0x5cc [ 56.536982][ T4185] vfs_write+0x280/0xa2c [ 56.538170][ T4185] ksys_write+0x120/0x210 [ 56.539348][ T4185] __arm64_sys_write+0x7c/0x90 [ 56.540632][ T4185] invoke_syscall+0x98/0x2b8 [ 56.541879][ T4185] el0_svc_common+0x138/0x258 [ 56.543132][ T4185] do_el0_svc+0x58/0x14c [ 56.544300][ T4185] el0_svc+0x78/0x1e0 [ 56.545424][ T4185] el0t_64_sync_handler+0xcc/0xe4 [ 56.546767][ T4185] el0t_64_sync+0x1a0/0x1a4 [ 56.567746][ T4147] Bluetooth: hci0: command 0x040f tx timeout