Warning: Permanently added '10.128.1.8' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:40 parsed 1 programs [ 42.976384][ T4028] cgroup: Unknown subsys name 'net' [ 43.202037][ T4028] cgroup: Unknown subsys name 'rlimit' [ 43.548940][ T4028] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 52.180251][ T300] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.181951][ T300] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.184743][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.201483][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.203225][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.210259][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.379573][ T4081] chnl_net:caif_netlink_parms(): no params data found [ 52.419969][ T4081] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.421569][ T4081] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.423896][ T4081] device bridge_slave_0 entered promiscuous mode [ 52.429040][ T4081] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.430649][ T4081] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.432821][ T4081] device bridge_slave_1 entered promiscuous mode [ 52.449744][ T4081] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.453751][ T4081] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.469998][ T4081] team0: Port device team_slave_0 added [ 52.473125][ T4081] team0: Port device team_slave_1 added [ 52.486094][ T4081] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.487529][ T4081] 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. [ 52.493114][ T4081] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.497610][ T4081] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.499080][ T4081] 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. [ 52.504333][ T4081] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.559111][ T4081] device hsr_slave_0 entered promiscuous mode [ 52.596863][ T4081] device hsr_slave_1 entered promiscuous mode [ 52.736878][ T4081] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.778439][ T4081] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.818551][ T4081] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.857643][ T4081] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.980095][ T4081] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.991119][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.993719][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.001437][ T4081] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.007522][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.009972][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.012340][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.013965][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.022134][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.024419][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.029235][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.031363][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.032848][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.044605][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.049494][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.051957][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.054400][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.066887][ T4081] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.069271][ T4081] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.073577][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.076163][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.078702][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.081206][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.083356][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.087407][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.089453][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.091884][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.165987][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.167718][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.172664][ T4081] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.187312][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.199958][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.202682][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.204617][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.210782][ T4081] device veth0_vlan entered promiscuous mode [ 53.217725][ T4081] device veth1_vlan entered promiscuous mode [ 53.234012][ T4081] device veth0_macvtap entered promiscuous mode [ 53.238746][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.242255][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.244593][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.247961][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.252194][ T4081] device veth1_macvtap entered promiscuous mode [ 53.266494][ T4081] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.268443][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.270959][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.278940][ T4081] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.282329][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.284852][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.288435][ T4081] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.290487][ T4081] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.292168][ T4081] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.294114][ T4081] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.643054][ T9] ODEBUG: Out of memory. ODEBUG disabled [ 53.745534][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:53 executed programs: 0 [ 54.089553][ T4109] chnl_net:caif_netlink_parms(): no params data found [ 54.120059][ T4109] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.121593][ T4109] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.123810][ T4109] device bridge_slave_0 entered promiscuous mode [ 54.127243][ T4109] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.128858][ T4109] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.130797][ T4109] device bridge_slave_1 entered promiscuous mode [ 54.143344][ T4109] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.147584][ T4109] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.160175][ T4109] team0: Port device team_slave_0 added [ 54.162934][ T4109] team0: Port device team_slave_1 added [ 54.174296][ T4109] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.175755][ 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. [ 54.181131][ T4109] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.184606][ T4109] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.186352][ 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. [ 54.191376][ T4109] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.257629][ T4109] device hsr_slave_0 entered promiscuous mode [ 54.305521][ T4109] device hsr_slave_1 entered promiscuous mode [ 54.345670][ T4109] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.347678][ T4109] Cannot create hsr debugfs directory [ 56.025742][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 56.400925][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.105335][ T4033] Bluetooth: hci0: command 0x041b tx timeout [ 58.960797][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.012503][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.012089][ T4109] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.068155][ T4109] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.107853][ T4109] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.147195][ T4109] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.185310][ T4127] Bluetooth: hci0: command 0x040f tx timeout [ 60.230140][ T4109] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.237427][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.239498][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.244021][ T4109] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.248834][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.250813][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.252856][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.254415][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.257087][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.261971][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.264438][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.267057][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.268588][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.272169][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.278547][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.283014][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.285814][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.288144][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.292618][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.298885][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.303401][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.306115][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.310352][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.312536][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.317539][ T4109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.379973][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.381789][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.387716][ T4109] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.397843][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.400229][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.447961][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.450186][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.453004][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.455092][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.458008][ T4109] device veth0_vlan entered promiscuous mode [ 60.463253][ T4109] device veth1_vlan entered promiscuous mode [ 60.477025][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.479172][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.481366][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.483664][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.490424][ T4109] device veth0_macvtap entered promiscuous mode [ 60.494187][ T4109] device veth1_macvtap entered promiscuous mode [ 60.503046][ T4109] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.506326][ T4109] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.509164][ T4109] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.510758][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.513084][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.516204][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.518397][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.522906][ T4109] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.525341][ T4109] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.528236][ T4109] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.529878][ T1609] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.532116][ T1609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.536355][ T4109] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.538225][ T4109] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.540091][ T4109] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.541754][ T4109] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.573744][ T300] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.575640][ T300] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.579020][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.590687][ T1609] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.592495][ T1609] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.594468][ T1609] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.731486][ T4163] [ 60.731937][ T4163] ====================================================== [ 60.733284][ T4163] WARNING: possible circular locking dependency detected [ 60.734716][ T4163] 5.15.173-syzkaller #0 Not tainted [ 60.735842][ T4163] ------------------------------------------------------ [ 60.737398][ T4163] syz.0.15/4163 is trying to acquire lock: [ 60.738567][ T4163] ffff0000d551cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 60.740842][ T4163] [ 60.740842][ T4163] but task is already holding lock: [ 60.742299][ T4163] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.744331][ T4163] [ 60.744331][ T4163] which lock already depends on the new lock. [ 60.744331][ T4163] [ 60.746468][ T4163] [ 60.746468][ T4163] the existing dependency chain (in reverse order) is: [ 60.748272][ T4163] [ 60.748272][ T4163] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 60.749911][ T4163] __mutex_lock_common+0x194/0x2154 [ 60.751088][ T4163] mutex_lock_nested+0xa4/0xf8 [ 60.752245][ T4163] rfkill_register+0x44/0x7a4 [ 60.753346][ T4163] hci_register_dev+0x3e0/0x880 [ 60.754489][ T4163] vhci_create_device+0x2c4/0x568 [ 60.755800][ T4163] vhci_write+0x318/0x3b8 [ 60.756843][ T4163] vfs_write+0x884/0xb44 [ 60.757808][ T4163] ksys_write+0x15c/0x26c [ 60.758871][ T4163] __arm64_sys_write+0x7c/0x90 [ 60.759978][ T4163] invoke_syscall+0x98/0x2b8 [ 60.760991][ T4163] el0_svc_common+0x138/0x258 [ 60.762150][ T4163] do_el0_svc+0x58/0x14c [ 60.763069][ T4163] el0_svc+0x7c/0x1f0 [ 60.764063][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 60.765286][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 60.766392][ T4163] [ 60.766392][ T4163] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 60.768116][ T4163] __mutex_lock_common+0x194/0x2154 [ 60.769272][ T4163] mutex_lock_nested+0xa4/0xf8 [ 60.770529][ T4163] vhci_send_frame+0x8c/0x10c [ 60.771488][ T4163] hci_send_frame+0x194/0x2f0 [ 60.772530][ T4163] hci_tx_work+0x9ac/0x16cc [ 60.773578][ T4163] process_one_work+0x790/0x11b8 [ 60.774808][ T4163] worker_thread+0x910/0x1034 [ 60.776022][ T4163] kthread+0x37c/0x45c [ 60.777010][ T4163] ret_from_fork+0x10/0x20 [ 60.778174][ T4163] [ 60.778174][ T4163] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 60.780172][ T4163] __flush_work+0xf8/0x1c0 [ 60.781142][ T4163] flush_work+0x24/0x38 [ 60.782068][ T4163] hci_dev_do_close+0x16c/0x1060 [ 60.783124][ T4163] hci_unregister_dev+0x248/0x4d4 [ 60.784242][ T4163] vhci_release+0x74/0xc4 [ 60.785239][ T4163] __fput+0x1c4/0x800 [ 60.786140][ T4163] ____fput+0x20/0x30 [ 60.787048][ T4163] task_work_run+0x130/0x1e4 [ 60.788058][ T4163] do_exit+0x670/0x20bc [ 60.788985][ T4163] do_group_exit+0x110/0x268 [ 60.789998][ T4163] get_signal+0x634/0x1550 [ 60.790995][ T4163] do_notify_resume+0x3d0/0x32b8 [ 60.792107][ T4163] el0_svc+0xfc/0x1f0 [ 60.793114][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 60.794242][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 60.795371][ T4163] [ 60.795371][ T4163] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 60.796893][ T4163] __mutex_lock_common+0x194/0x2154 [ 60.798115][ T4163] mutex_lock_nested+0xa4/0xf8 [ 60.799145][ T4163] bg_scan_update+0x9c/0x470 [ 60.800214][ T4163] process_one_work+0x790/0x11b8 [ 60.801408][ T4163] worker_thread+0x910/0x1034 [ 60.802529][ T4163] kthread+0x37c/0x45c [ 60.803536][ T4163] ret_from_fork+0x10/0x20 [ 60.804591][ T4163] [ 60.804591][ T4163] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 60.806625][ T4163] __lock_acquire+0x32d4/0x7638 [ 60.807829][ T4163] lock_acquire+0x240/0x77c [ 60.808920][ T4163] __flush_work+0xf8/0x1c0 [ 60.810028][ T4163] __cancel_work_timer+0x3ec/0x548 [ 60.811203][ T4163] cancel_work_sync+0x24/0x38 [ 60.812286][ T4163] hci_request_cancel_all+0xcc/0x2d0 [ 60.813495][ T4163] hci_dev_do_close+0x54/0x1060 [ 60.814801][ T4163] hci_rfkill_set_block+0xdc/0x1d0 [ 60.816014][ T4163] rfkill_set_block+0x18c/0x37c [ 60.817163][ T4163] rfkill_fop_write+0x594/0x750 [ 60.818206][ T4163] vfs_write+0x280/0xb44 [ 60.819237][ T4163] ksys_write+0x15c/0x26c [ 60.820272][ T4163] __arm64_sys_write+0x7c/0x90 [ 60.821412][ T4163] invoke_syscall+0x98/0x2b8 [ 60.822532][ T4163] el0_svc_common+0x138/0x258 [ 60.823709][ T4163] do_el0_svc+0x58/0x14c [ 60.824776][ T4163] el0_svc+0x7c/0x1f0 [ 60.825837][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 60.826921][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 60.827974][ T4163] [ 60.827974][ T4163] other info that might help us debug this: [ 60.827974][ T4163] [ 60.830092][ T4163] Chain exists of: [ 60.830092][ T4163] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 60.830092][ T4163] [ 60.833378][ T4163] Possible unsafe locking scenario: [ 60.833378][ T4163] [ 60.835027][ T4163] CPU0 CPU1 [ 60.836144][ T4163] ---- ---- [ 60.837307][ T4163] lock(rfkill_global_mutex); [ 60.838309][ T4163] lock(&data->open_mutex); [ 60.839836][ T4163] lock(rfkill_global_mutex); [ 60.841267][ T4163] lock((work_completion)(&hdev->bg_scan_update)); [ 60.842652][ T4163] [ 60.842652][ T4163] *** DEADLOCK *** [ 60.842652][ T4163] [ 60.844424][ T4163] 1 lock held by syz.0.15/4163: [ 60.845410][ T4163] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.847471][ T4163] [ 60.847471][ T4163] stack backtrace: [ 60.848673][ T4163] CPU: 0 PID: 4163 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 60.850313][ T4163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 60.852524][ T4163] Call trace: [ 60.853263][ T4163] dump_backtrace+0x0/0x530 [ 60.854249][ T4163] show_stack+0x2c/0x3c [ 60.855158][ T4163] dump_stack_lvl+0x108/0x170 [ 60.856112][ T4163] dump_stack+0x1c/0x58 [ 60.856994][ T4163] print_circular_bug+0x150/0x1b8 [ 60.858083][ T4163] check_noncircular+0x2cc/0x378 [ 60.859166][ T4163] __lock_acquire+0x32d4/0x7638 [ 60.860157][ T4163] lock_acquire+0x240/0x77c [ 60.861067][ T4163] __flush_work+0xf8/0x1c0 [ 60.861949][ T4163] __cancel_work_timer+0x3ec/0x548 [ 60.862996][ T4163] cancel_work_sync+0x24/0x38 [ 60.863963][ T4163] hci_request_cancel_all+0xcc/0x2d0 [ 60.865041][ T4163] hci_dev_do_close+0x54/0x1060 [ 60.865964][ T4163] hci_rfkill_set_block+0xdc/0x1d0 [ 60.867100][ T4163] rfkill_set_block+0x18c/0x37c [ 60.868182][ T4163] rfkill_fop_write+0x594/0x750 [ 60.869201][ T4163] vfs_write+0x280/0xb44 [ 60.870063][ T4163] ksys_write+0x15c/0x26c [ 60.871066][ T4163] __arm64_sys_write+0x7c/0x90 [ 60.872159][ T4163] invoke_syscall+0x98/0x2b8 [ 60.873051][ T4163] el0_svc_common+0x138/0x258 [ 60.874022][ T4163] do_el0_svc+0x58/0x14c [ 60.874938][ T4163] el0_svc+0x7c/0x1f0 [ 60.875807][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 60.876797][ T4163] el0t_64_sync+0x1a0/0x1a4