Warning: Permanently added '10.128.1.177' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:47 parsed 1 programs [ 49.719371][ T4023] cgroup: Unknown subsys name 'net' [ 49.953375][ T4023] cgroup: Unknown subsys name 'rlimit' [ 50.284339][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 60.028169][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.029820][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.032254][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.049421][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.051125][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.053324][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.007768][ T4082] chnl_net:caif_netlink_parms(): no params data found [ 61.050194][ T4082] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.051736][ T4082] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.054134][ T4082] device bridge_slave_0 entered promiscuous mode [ 61.058287][ T4082] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.059844][ T4082] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.062191][ T4082] device bridge_slave_1 entered promiscuous mode [ 61.080646][ T4082] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.085625][ T4082] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.102756][ T4082] team0: Port device team_slave_0 added [ 61.105821][ T4082] team0: Port device team_slave_1 added [ 61.121705][ T4082] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.123029][ T4082] 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. [ 61.129843][ T4082] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.134213][ T4082] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.135671][ T4082] 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. [ 61.141202][ T4082] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.200231][ T4082] device hsr_slave_0 entered promiscuous mode [ 61.238229][ T4082] device hsr_slave_1 entered promiscuous mode [ 61.372636][ T4082] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.420805][ T4082] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.470086][ T4082] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.520207][ T4082] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.577654][ T4082] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.579219][ T4082] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.581332][ T4082] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.582830][ T4082] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.632537][ T4082] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.640540][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.643200][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.645900][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.651484][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.653428][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.658107][ T4082] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.663194][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.666322][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.667808][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.678247][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.680418][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.681871][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.693266][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.696126][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.704694][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.713488][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.720871][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.724649][ T4082] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.802908][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.804568][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.812556][ T4082] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.824358][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.838841][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.842606][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.844596][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.846995][ T4082] device veth0_vlan entered promiscuous mode [ 61.857747][ T4082] device veth1_vlan entered promiscuous mode [ 61.883547][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.885641][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.893585][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.901797][ T4082] device veth0_macvtap entered promiscuous mode [ 61.906568][ T4082] device veth1_macvtap entered promiscuous mode [ 61.922459][ T4082] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.924306][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.927109][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.934148][ T4082] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.936145][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.940598][ T4082] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.942405][ T4082] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.944261][ T4082] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.946115][ T4082] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:02 executed programs: 0 [ 62.228437][ T4109] chnl_net:caif_netlink_parms(): no params data found [ 62.262657][ T4109] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.264202][ T4109] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.266355][ T4109] device bridge_slave_0 entered promiscuous mode [ 62.271304][ T4109] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.272796][ T4109] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.275119][ T4109] device bridge_slave_1 entered promiscuous mode [ 62.293166][ T4109] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.296979][ T4109] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.312296][ T4109] team0: Port device team_slave_0 added [ 62.315559][ T4109] team0: Port device team_slave_1 added [ 62.330262][ T4109] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.331683][ T4109] 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. [ 62.336997][ T4109] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.341486][ T4109] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.343029][ T4109] 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. [ 62.348682][ T4109] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.419912][ T4109] device hsr_slave_0 entered promiscuous mode [ 62.458128][ T4109] device hsr_slave_1 entered promiscuous mode [ 62.497784][ T4109] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.499674][ T4109] Cannot create hsr debugfs directory [ 62.557995][ T4109] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.208384][ T1960] Bluetooth: hci0: command 0x0409 tx timeout [ 64.925321][ T4109] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.288201][ T4101] Bluetooth: hci0: command 0x041b tx timeout [ 67.344777][ T4109] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.416338][ T4109] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.565205][ T4109] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.591148][ T4109] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.629932][ T4109] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.682453][ T4109] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.781521][ T4109] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.791641][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.794055][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.800289][ T4109] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.804352][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.806415][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.808956][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.810482][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.812851][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.832471][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.834738][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.836814][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.838313][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.841346][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.843798][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.846140][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.849551][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.852487][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.854714][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.856953][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.866157][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.868359][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.872871][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.875141][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.882444][ T4109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.962874][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.964555][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.972419][ T4109] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.989913][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.992250][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.010028][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.012204][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.014443][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.016356][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.026099][ T4109] device veth0_vlan entered promiscuous mode [ 68.033552][ T4109] device veth1_vlan entered promiscuous mode [ 68.047531][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.051159][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.053346][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.055600][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.063665][ T4109] device veth0_macvtap entered promiscuous mode [ 68.067472][ T4109] device veth1_macvtap entered promiscuous mode [ 68.081947][ T4109] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 68.084297][ T4109] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.087225][ T4109] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.090624][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.092790][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.096014][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.099739][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.104047][ T4109] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 68.106252][ T4109] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.110912][ T4109] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.112642][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.114885][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.122995][ T4109] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.124827][ T4109] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.127094][ T4109] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.130564][ T4109] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.176599][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.178708][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.181282][ T1771] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.205928][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.208003][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.210806][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.268332][ T4122] [ 68.268839][ T4122] ====================================================== [ 68.270212][ T4122] WARNING: possible circular locking dependency detected [ 68.271737][ T4122] 5.15.170-syzkaller #0 Not tainted [ 68.272745][ T4122] ------------------------------------------------------ [ 68.274211][ T4122] syz.0.15/4122 is trying to acquire lock: [ 68.275555][ T4122] ffff0000d2248c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 68.277793][ T4122] [ 68.277793][ T4122] but task is already holding lock: [ 68.279449][ T4122] ffff800016e76f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.281466][ T4122] [ 68.281466][ T4122] which lock already depends on the new lock. [ 68.281466][ T4122] [ 68.283465][ T4122] [ 68.283465][ T4122] the existing dependency chain (in reverse order) is: [ 68.285557][ T4122] [ 68.285557][ T4122] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 68.287310][ T4122] __mutex_lock_common+0x194/0x2154 [ 68.288564][ T4122] mutex_lock_nested+0xa4/0xf8 [ 68.289709][ T4122] rfkill_register+0x44/0x7a4 [ 68.290841][ T4122] hci_register_dev+0x3e0/0x880 [ 68.291922][ T4122] vhci_create_device+0x2c4/0x568 [ 68.293007][ T4122] vhci_write+0x318/0x3b8 [ 68.294102][ T4122] vfs_write+0x884/0xb44 [ 68.295098][ T4122] ksys_write+0x15c/0x26c [ 68.296189][ T4122] __arm64_sys_write+0x7c/0x90 [ 68.297415][ T4122] invoke_syscall+0x98/0x2b8 [ 68.298432][ T4122] el0_svc_common+0x138/0x258 [ 68.299656][ T4122] do_el0_svc+0x58/0x14c [ 68.300732][ T4122] el0_svc+0x7c/0x1f0 [ 68.301663][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 68.302818][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 68.303896][ T4122] [ 68.303896][ T4122] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 68.305683][ T4122] __mutex_lock_common+0x194/0x2154 [ 68.306882][ T4122] mutex_lock_nested+0xa4/0xf8 [ 68.307973][ T4122] vhci_send_frame+0x8c/0x10c [ 68.309176][ T4122] hci_send_frame+0x194/0x2f0 [ 68.310422][ T4122] hci_tx_work+0x9ac/0x16cc [ 68.311507][ T4122] process_one_work+0x790/0x11b8 [ 68.312839][ T4122] worker_thread+0x910/0x1034 [ 68.313881][ T4122] kthread+0x37c/0x45c [ 68.314893][ T4122] ret_from_fork+0x10/0x20 [ 68.315820][ T4122] [ 68.315820][ T4122] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.317677][ T4122] __flush_work+0xf8/0x1c0 [ 68.318733][ T4122] flush_work+0x24/0x38 [ 68.319799][ T4122] hci_dev_do_close+0x16c/0x1060 [ 68.320876][ T4122] hci_unregister_dev+0x248/0x4d4 [ 68.322110][ T4122] vhci_release+0x74/0xc4 [ 68.323115][ T4122] __fput+0x1c4/0x800 [ 68.324163][ T4122] ____fput+0x20/0x30 [ 68.325244][ T4122] task_work_run+0x130/0x1e4 [ 68.326377][ T4122] do_exit+0x670/0x20bc [ 68.327438][ T4122] do_group_exit+0x110/0x268 [ 68.328528][ T4122] get_signal+0x634/0x1550 [ 68.329555][ T4122] do_notify_resume+0x3d0/0x32b8 [ 68.330768][ T4122] el0_svc+0xfc/0x1f0 [ 68.331754][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 68.332924][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 68.333972][ T4122] [ 68.333972][ T4122] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.335603][ T4122] __mutex_lock_common+0x194/0x2154 [ 68.336826][ T4122] mutex_lock_nested+0xa4/0xf8 [ 68.337921][ T4122] bg_scan_update+0x9c/0x470 [ 68.338929][ T4122] process_one_work+0x790/0x11b8 [ 68.340182][ T4122] worker_thread+0x910/0x1034 [ 68.341629][ T4122] kthread+0x37c/0x45c [ 68.342634][ T4122] ret_from_fork+0x10/0x20 [ 68.343624][ T4122] [ 68.343624][ T4122] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.345657][ T4122] __lock_acquire+0x32d4/0x7638 [ 68.346820][ T4122] lock_acquire+0x240/0x77c [ 68.347904][ T4122] __flush_work+0xf8/0x1c0 [ 68.348997][ T4122] __cancel_work_timer+0x3ec/0x548 [ 68.350275][ T4122] cancel_work_sync+0x24/0x38 [ 68.351326][ T4122] hci_request_cancel_all+0xcc/0x2d0 [ 68.352572][ T4122] hci_dev_do_close+0x54/0x1060 [ 68.353804][ T4122] hci_rfkill_set_block+0xdc/0x1d0 [ 68.354972][ T4122] rfkill_set_block+0x18c/0x37c [ 68.356130][ T4122] rfkill_fop_write+0x594/0x750 [ 68.357262][ T4122] vfs_write+0x280/0xb44 [ 68.358295][ T4122] ksys_write+0x15c/0x26c [ 68.359261][ T4122] __arm64_sys_write+0x7c/0x90 [ 68.360410][ T4122] invoke_syscall+0x98/0x2b8 [ 68.361496][ T4122] el0_svc_common+0x138/0x258 [ 68.362680][ T4122] do_el0_svc+0x58/0x14c [ 68.363712][ T4122] el0_svc+0x7c/0x1f0 [ 68.364900][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 68.366114][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 68.367161][ T4122] [ 68.367161][ T4122] other info that might help us debug this: [ 68.367161][ T4122] [ 68.369252][ T4122] Chain exists of: [ 68.369252][ T4122] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.369252][ T4122] [ 68.372652][ T4122] Possible unsafe locking scenario: [ 68.372652][ T4122] [ 68.374293][ T4122] CPU0 CPU1 [ 68.375402][ T4122] ---- ---- [ 68.376579][ T4122] lock(rfkill_global_mutex); [ 68.377562][ T4122] lock(&data->open_mutex); [ 68.379094][ T4122] lock(rfkill_global_mutex); [ 68.380766][ T4122] lock((work_completion)(&hdev->bg_scan_update)); [ 68.382196][ T4122] [ 68.382196][ T4122] *** DEADLOCK *** [ 68.382196][ T4122] [ 68.384000][ T4122] 1 lock held by syz.0.15/4122: [ 68.385086][ T4122] #0: ffff800016e76f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.387244][ T4122] [ 68.387244][ T4122] stack backtrace: [ 68.388554][ T4122] CPU: 1 PID: 4122 Comm: syz.0.15 Not tainted 5.15.170-syzkaller #0 [ 68.390245][ T4122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.392489][ T4122] Call trace: [ 68.393228][ T4122] dump_backtrace+0x0/0x530 [ 68.394158][ T4122] show_stack+0x2c/0x3c [ 68.395074][ T4122] dump_stack_lvl+0x108/0x170 [ 68.396288][ T4122] dump_stack+0x1c/0x58 [ 68.397214][ T4122] print_circular_bug+0x150/0x1b8 [ 68.398298][ T4122] check_noncircular+0x2cc/0x378 [ 68.399336][ T4122] __lock_acquire+0x32d4/0x7638 [ 68.400354][ T4122] lock_acquire+0x240/0x77c [ 68.401366][ T4122] __flush_work+0xf8/0x1c0 [ 68.402328][ T4122] __cancel_work_timer+0x3ec/0x548 [ 68.403510][ T4122] cancel_work_sync+0x24/0x38 [ 68.404569][ T4122] hci_request_cancel_all+0xcc/0x2d0 [ 68.405729][ T4122] hci_dev_do_close+0x54/0x1060 [ 68.406759][ T4122] hci_rfkill_set_block+0xdc/0x1d0 [ 68.407890][ T4122] rfkill_set_block+0x18c/0x37c [ 68.408971][ T4122] rfkill_fop_write+0x594/0x750 [ 68.409989][ T4122] vfs_write+0x280/0xb44 [ 68.410867][ T4122] ksys_write+0x15c/0x26c [ 68.411721][ T4122] __arm64_sys_write+0x7c/0x90 [ 68.412734][ T4122] invoke_syscall+0x98/0x2b8 [ 68.413713][ T4122] el0_svc_common+0x138/0x258 [ 68.414715][ T4122] do_el0_svc+0x58/0x14c [ 68.415612][ T4122] el0_svc+0x7c/0x1f0 [ 68.416483][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 68.417576][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 68.420468][ T4040] Bluetooth: hci0: command 0x040f tx timeout