Warning: Permanently added '10.128.1.193' (ED25519) to the list of known hosts. 1970/01/01 00:00:43 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:43 parsed 1 programs [ 46.467559][ T4031] cgroup: Unknown subsys name 'net' [ 46.750144][ T4031] cgroup: Unknown subsys name 'rlimit' [ 47.071493][ T4031] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 54.645476][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.647121][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.649396][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.665036][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.666610][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.668731][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.858279][ T4046] chnl_net:caif_netlink_parms(): no params data found [ 54.899752][ T4046] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.901327][ T4046] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.903385][ T4046] device bridge_slave_0 entered promiscuous mode [ 54.912333][ T4046] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.913871][ T4046] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.916466][ T4046] device bridge_slave_1 entered promiscuous mode [ 54.933368][ T4046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.937447][ T4046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.958604][ T4046] team0: Port device team_slave_0 added [ 54.961384][ T4046] team0: Port device team_slave_1 added [ 54.974429][ T4046] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.975933][ T4046] 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. [ 54.981006][ T4046] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.985055][ T4046] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.986382][ T4046] 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. [ 54.991230][ T4046] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.036369][ T4046] device hsr_slave_0 entered promiscuous mode [ 55.074485][ T4046] device hsr_slave_1 entered promiscuous mode [ 55.202790][ T4046] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.266373][ T4046] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.312099][ T4046] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.348685][ T4046] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.417352][ T4046] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.418985][ T4046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.421050][ T4046] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.422566][ T4046] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.470755][ T4046] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.479537][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.482754][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.485550][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.492914][ T4046] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.502544][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.505151][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.506633][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.511579][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.513886][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.515510][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.529179][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.531753][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.542340][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.548564][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.555853][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.560291][ T4046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.676360][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.678217][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.684975][ T4046] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.698656][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.701234][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.765472][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.768092][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.771145][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.773537][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.777475][ T4046] device veth0_vlan entered promiscuous mode [ 55.784401][ T4046] device veth1_vlan entered promiscuous mode [ 55.800469][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.802773][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.805592][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 55.808009][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.812588][ T4046] device veth0_macvtap entered promiscuous mode [ 55.868584][ T4046] device veth1_macvtap entered promiscuous mode [ 55.879792][ T4046] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.881672][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.883940][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.886947][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.889328][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.894843][ T4046] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.898372][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.900684][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.940273][ T4046] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.942251][ T4046] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.944448][ T4046] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.946299][ T4046] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.571874][ T136] ODEBUG: Out of memory. ODEBUG disabled 1970/01/01 00:00:57 executed programs: 0 [ 57.708361][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.756020][ T4110] chnl_net:caif_netlink_parms(): no params data found [ 57.785895][ T4110] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.787539][ T4110] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.789549][ T4110] device bridge_slave_0 entered promiscuous mode [ 57.792773][ T4110] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.794872][ T4110] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.797388][ T4110] device bridge_slave_1 entered promiscuous mode [ 57.812045][ T4110] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.816240][ T4110] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.832723][ T4110] team0: Port device team_slave_0 added [ 57.835712][ T4110] team0: Port device team_slave_1 added [ 57.847477][ T4110] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.848952][ T4110] 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. [ 57.853868][ T4110] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.857907][ T4110] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.859392][ T4110] 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. [ 57.864819][ T4110] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.926120][ T4110] device hsr_slave_0 entered promiscuous mode [ 57.964542][ T4110] device hsr_slave_1 entered promiscuous mode [ 58.004189][ T4110] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.005878][ T4110] Cannot create hsr debugfs directory [ 59.714964][ T4047] Bluetooth: hci1: command 0x0409 tx timeout [ 61.081496][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.139194][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.201999][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.794179][ T4062] Bluetooth: hci1: command 0x041b tx timeout [ 62.191936][ T4110] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.228715][ T4110] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.275984][ T4110] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.305971][ T4110] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.418801][ T4110] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.425418][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.427612][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.431742][ T4110] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.436139][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.438533][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.440703][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.442157][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.446247][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.450882][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.453251][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.455671][ T526] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.457087][ T526] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.462423][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.468103][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.473388][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.476190][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.478555][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.483010][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.487548][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.492165][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.494781][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.499498][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.501605][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.506692][ T4110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.571825][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.573314][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.580008][ T4110] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.591807][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.594572][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.606510][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.608720][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.610786][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.612856][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.653359][ T4110] device veth0_vlan entered promiscuous mode [ 62.659947][ T4110] device veth1_vlan entered promiscuous mode [ 62.676722][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.678908][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.681060][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.683533][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.688473][ T4110] device veth0_macvtap entered promiscuous mode [ 62.692374][ T4110] device veth1_macvtap entered promiscuous mode [ 62.701703][ T4110] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.703915][ T4110] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.706990][ T4110] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.708567][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.710859][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.712995][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.716661][ T526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.720916][ T4110] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.722997][ T4110] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.726719][ T4110] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.728998][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.731490][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.738626][ T4110] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.740348][ T4110] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.742060][ T4110] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.744267][ T4110] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.781879][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.783510][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.786607][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.802295][ T354] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.803969][ T354] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.807105][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.895311][ T4163] [ 62.895880][ T4163] ====================================================== [ 62.897385][ T4163] WARNING: possible circular locking dependency detected [ 62.898837][ T4163] 5.15.169-syzkaller #0 Not tainted [ 62.899817][ T4163] ------------------------------------------------------ [ 62.901264][ T4163] syz.0.15/4163 is trying to acquire lock: [ 62.902458][ T4163] ffff0000d5e78c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 62.904840][ T4163] [ 62.904840][ T4163] but task is already holding lock: [ 62.906370][ T4163] ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 62.908481][ T4163] [ 62.908481][ T4163] which lock already depends on the new lock. [ 62.908481][ T4163] [ 62.910685][ T4163] [ 62.910685][ T4163] the existing dependency chain (in reverse order) is: [ 62.912616][ T4163] [ 62.912616][ T4163] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 62.914258][ T4163] __mutex_lock_common+0x194/0x2154 [ 62.915538][ T4163] mutex_lock_nested+0xa4/0xf8 [ 62.916853][ T4163] rfkill_register+0x44/0x7a4 [ 62.918032][ T4163] hci_register_dev+0x3e0/0x880 [ 62.919248][ T4163] vhci_create_device+0x2c4/0x568 [ 62.920371][ T4163] vhci_write+0x318/0x3b8 [ 62.921461][ T4163] vfs_write+0x884/0xb44 [ 62.922363][ T4163] ksys_write+0x15c/0x26c [ 62.923430][ T4163] __arm64_sys_write+0x7c/0x90 [ 62.924529][ T4163] invoke_syscall+0x98/0x2b8 [ 62.925931][ T4163] el0_svc_common+0x138/0x258 [ 62.927095][ T4163] do_el0_svc+0x58/0x14c [ 62.928413][ T4163] el0_svc+0x7c/0x1f0 [ 62.929480][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 62.930627][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 62.931827][ T4163] [ 62.931827][ T4163] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 62.933400][ T4163] __mutex_lock_common+0x194/0x2154 [ 62.934585][ T4163] mutex_lock_nested+0xa4/0xf8 [ 62.935596][ T4163] vhci_send_frame+0x8c/0x10c [ 62.936680][ T4163] hci_send_frame+0x194/0x2f0 [ 62.937814][ T4163] hci_tx_work+0x9ac/0x16cc [ 62.938864][ T4163] process_one_work+0x790/0x11b8 [ 62.940093][ T4163] worker_thread+0x910/0x1034 [ 62.941166][ T4163] kthread+0x37c/0x45c [ 62.942244][ T4163] ret_from_fork+0x10/0x20 [ 62.943339][ T4163] [ 62.943339][ T4163] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 62.945336][ T4163] __flush_work+0xf8/0x1c0 [ 62.946350][ T4163] flush_work+0x24/0x38 [ 62.947333][ T4163] hci_dev_do_close+0x16c/0x1060 [ 62.948536][ T4163] hci_unregister_dev+0x248/0x4d4 [ 62.949716][ T4163] vhci_release+0x74/0xc4 [ 62.950647][ T4163] __fput+0x1c4/0x800 [ 62.951597][ T4163] ____fput+0x20/0x30 [ 62.952476][ T4163] task_work_run+0x130/0x1e4 [ 62.953535][ T4163] do_exit+0x670/0x20bc [ 62.954537][ T4163] do_group_exit+0x110/0x268 [ 62.955669][ T4163] get_signal+0x634/0x1550 [ 62.956700][ T4163] do_notify_resume+0x3d0/0x32b8 [ 62.957945][ T4163] el0_svc+0xfc/0x1f0 [ 62.958919][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 62.960026][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 62.961035][ T4163] [ 62.961035][ T4163] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 62.962624][ T4163] __mutex_lock_common+0x194/0x2154 [ 62.963703][ T4163] mutex_lock_nested+0xa4/0xf8 [ 62.964653][ T4163] bg_scan_update+0x9c/0x470 [ 62.965680][ T4163] process_one_work+0x790/0x11b8 [ 62.966808][ T4163] worker_thread+0x910/0x1034 [ 62.967823][ T4163] kthread+0x37c/0x45c [ 62.968689][ T4163] ret_from_fork+0x10/0x20 [ 62.969702][ T4163] [ 62.969702][ T4163] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 62.971665][ T4163] __lock_acquire+0x32d4/0x7638 [ 62.972797][ T4163] lock_acquire+0x240/0x77c [ 62.973881][ T4163] __flush_work+0xf8/0x1c0 [ 62.975000][ T4163] __cancel_work_timer+0x3ec/0x548 [ 62.976172][ T4163] cancel_work_sync+0x24/0x38 [ 62.977210][ T4163] hci_request_cancel_all+0xcc/0x2d0 [ 62.978383][ T4163] hci_dev_do_close+0x54/0x1060 [ 62.979477][ T4163] hci_rfkill_set_block+0xdc/0x1d0 [ 62.980698][ T4163] rfkill_set_block+0x18c/0x37c [ 62.981895][ T4163] rfkill_fop_write+0x594/0x750 [ 62.983078][ T4163] vfs_write+0x280/0xb44 [ 62.984073][ T4163] ksys_write+0x15c/0x26c [ 62.985090][ T4163] __arm64_sys_write+0x7c/0x90 [ 62.986183][ T4163] invoke_syscall+0x98/0x2b8 [ 62.987210][ T4163] el0_svc_common+0x138/0x258 [ 62.988350][ T4163] do_el0_svc+0x58/0x14c [ 62.989345][ T4163] el0_svc+0x7c/0x1f0 [ 62.990257][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 62.991479][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 62.992554][ T4163] [ 62.992554][ T4163] other info that might help us debug this: [ 62.992554][ T4163] [ 62.994559][ T4163] Chain exists of: [ 62.994559][ T4163] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 62.994559][ T4163] [ 62.997790][ T4163] Possible unsafe locking scenario: [ 62.997790][ T4163] [ 62.999382][ T4163] CPU0 CPU1 [ 63.000477][ T4163] ---- ---- [ 63.001576][ T4163] lock(rfkill_global_mutex); [ 63.002741][ T4163] lock(&data->open_mutex); [ 63.004247][ T4163] lock(rfkill_global_mutex); [ 63.005832][ T4163] lock((work_completion)(&hdev->bg_scan_update)); [ 63.007154][ T4163] [ 63.007154][ T4163] *** DEADLOCK *** [ 63.007154][ T4163] [ 63.008794][ T4163] 1 lock held by syz.0.15/4163: [ 63.009847][ T4163] #0: ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 63.011911][ T4163] [ 63.011911][ T4163] stack backtrace: [ 63.013069][ T4163] CPU: 1 PID: 4163 Comm: syz.0.15 Not tainted 5.15.169-syzkaller #0 [ 63.014693][ T4163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.016635][ T4163] Call trace: [ 63.017294][ T4163] dump_backtrace+0x0/0x530 [ 63.018153][ T4163] show_stack+0x2c/0x3c [ 63.018952][ T4163] dump_stack_lvl+0x108/0x170 [ 63.019816][ T4163] dump_stack+0x1c/0x58 [ 63.020643][ T4163] print_circular_bug+0x150/0x1b8 [ 63.021723][ T4163] check_noncircular+0x2cc/0x378 [ 63.022737][ T4163] __lock_acquire+0x32d4/0x7638 [ 63.023700][ T4163] lock_acquire+0x240/0x77c [ 63.024602][ T4163] __flush_work+0xf8/0x1c0 [ 63.025483][ T4163] __cancel_work_timer+0x3ec/0x548 [ 63.026556][ T4163] cancel_work_sync+0x24/0x38 [ 63.027498][ T4163] hci_request_cancel_all+0xcc/0x2d0 [ 63.028591][ T4163] hci_dev_do_close+0x54/0x1060 [ 63.029648][ T4163] hci_rfkill_set_block+0xdc/0x1d0 [ 63.030825][ T4163] rfkill_set_block+0x18c/0x37c [ 63.031810][ T4163] rfkill_fop_write+0x594/0x750 [ 63.032705][ T4163] vfs_write+0x280/0xb44 [ 63.033609][ T4163] ksys_write+0x15c/0x26c [ 63.034416][ T4163] __arm64_sys_write+0x7c/0x90 [ 63.035451][ T4163] invoke_syscall+0x98/0x2b8 [ 63.036593][ T4163] el0_svc_common+0x138/0x258 [ 63.037554][ T4163] do_el0_svc+0x58/0x14c [ 63.038387][ T4163] el0_svc+0x7c/0x1f0 [ 63.039236][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 63.040368][ T4163] el0t_64_sync+0x1a0/0x1a4