Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:41 parsed 1 programs [ 44.417859][ T4029] cgroup: Unknown subsys name 'net' [ 44.766774][ T4029] cgroup: Unknown subsys name 'rlimit' [ 45.154840][ T4029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.480507][ T4068] chnl_net:caif_netlink_parms(): no params data found [ 56.532233][ T4068] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.534279][ T4068] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.537049][ T4068] device bridge_slave_0 entered promiscuous mode [ 56.542454][ T4068] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.544594][ T4068] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.547530][ T4068] device bridge_slave_1 entered promiscuous mode [ 56.564926][ T4068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.573414][ T4068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.591179][ T4068] team0: Port device team_slave_0 added [ 56.594843][ T4068] team0: Port device team_slave_1 added [ 56.608706][ T4068] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.611271][ T4068] 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. [ 56.618994][ T4068] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.624423][ T4068] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.626515][ T4068] 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. [ 56.634055][ T4068] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.763692][ T4068] device hsr_slave_0 entered promiscuous mode [ 56.801645][ T4068] device hsr_slave_1 entered promiscuous mode [ 56.942391][ T4068] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.993535][ T4068] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.035182][ T4068] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.103998][ T4068] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.184510][ T4068] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.186685][ T4068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.189546][ T4068] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.191969][ T4068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.247423][ T4068] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.257342][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.265809][ T551] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.270463][ T551] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.273700][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.283028][ T4068] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.296228][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.299147][ T551] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.301348][ T551] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.306142][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.308942][ T551] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.311201][ T551] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.329605][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.333282][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.341541][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.354811][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.363190][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.368959][ T4068] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.455624][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.457949][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.467852][ T4068] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.485417][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.488548][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.506291][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.509607][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.516890][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.519619][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.523964][ T4068] device veth0_vlan entered promiscuous mode [ 57.531388][ T4068] device veth1_vlan entered promiscuous mode [ 57.546541][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.549428][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.553748][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.556785][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.562476][ T4068] device veth0_macvtap entered promiscuous mode [ 57.567425][ T4068] device veth1_macvtap entered promiscuous mode [ 57.581043][ T4068] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.584350][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.587331][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.596454][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.601361][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.607294][ T4068] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.613258][ T4068] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.615896][ T4068] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.618310][ T4068] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.621137][ T4068] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.625697][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.629224][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.017691][ T153] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.109727][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.113633][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.117020][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.131587][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.134060][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.137371][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:59 executed programs: 0 [ 59.507892][ T4114] chnl_net:caif_netlink_parms(): no params data found [ 59.546310][ T4114] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.548527][ T4114] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.551646][ T4114] device bridge_slave_0 entered promiscuous mode [ 59.555805][ T4114] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.557911][ T4114] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.561416][ T4114] device bridge_slave_1 entered promiscuous mode [ 59.579891][ T4114] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.585149][ T4114] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.601672][ T4114] team0: Port device team_slave_0 added [ 59.605155][ T4114] team0: Port device team_slave_1 added [ 59.619638][ T4114] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.622439][ T4114] 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. [ 59.629786][ T4114] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.634700][ T4114] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.636802][ T4114] 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. [ 59.644294][ T4114] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.732450][ T4114] device hsr_slave_0 entered promiscuous mode [ 59.770479][ T4114] device hsr_slave_1 entered promiscuous mode [ 59.810245][ T4114] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.812726][ T4114] Cannot create hsr debugfs directory [ 60.728362][ T153] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.491317][ T4031] Bluetooth: hci0: command 0x0409 tx timeout [ 62.978227][ T153] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.029493][ T153] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.570779][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 64.000218][ T4114] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.044334][ T4114] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.082629][ T4114] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.132473][ T4114] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.266346][ T4114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.284912][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.287826][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.309411][ T4114] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.316768][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.319794][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.323437][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.325576][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.328708][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.335612][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.338804][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.344123][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.346476][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.353349][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.359528][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.367795][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.373426][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.376540][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.382725][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.387078][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.392993][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.397302][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.404724][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.408473][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.413357][ T4114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.508401][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.511994][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.519738][ T4114] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.535173][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.538484][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.553521][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.556375][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.559408][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.562764][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.567642][ T4114] device veth0_vlan entered promiscuous mode [ 64.577179][ T4114] device veth1_vlan entered promiscuous mode [ 64.593780][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.596637][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.599466][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.605010][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.611017][ T4114] device veth0_macvtap entered promiscuous mode [ 64.616116][ T4114] device veth1_macvtap entered promiscuous mode [ 64.626285][ T4114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.629474][ T4114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.635364][ T4114] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.639206][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.645831][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.648598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.652263][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.656456][ T4114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.659552][ T4114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.664938][ T4114] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.667207][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.671060][ T551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.676346][ T4114] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.678954][ T4114] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.682830][ T4114] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.685493][ T4114] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.757930][ T1700] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.761231][ T1700] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.765174][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.778689][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.781380][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.784751][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.982638][ T4164] [ 64.983417][ T4164] ====================================================== [ 64.985382][ T4164] WARNING: possible circular locking dependency detected [ 64.987355][ T4164] 5.15.185-syzkaller #0 Not tainted [ 64.988884][ T4164] ------------------------------------------------------ [ 64.990835][ T4164] syz.0.16/4164 is trying to acquire lock: [ 64.992533][ T4164] ffff0000ed10cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 64.995798][ T4164] [ 64.995798][ T4164] but task is already holding lock: [ 64.997905][ T4164] ffff800016507d48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 65.000643][ T4164] [ 65.000643][ T4164] which lock already depends on the new lock. [ 65.000643][ T4164] [ 65.003592][ T4164] [ 65.003592][ T4164] the existing dependency chain (in reverse order) is: [ 65.006141][ T4164] [ 65.006141][ T4164] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.008639][ T4164] __mutex_lock_common+0x194/0x1edc [ 65.010387][ T4164] mutex_lock_nested+0xac/0x11c [ 65.011925][ T4164] rfkill_register+0x44/0x77c [ 65.013398][ T4164] hci_register_dev+0x3d8/0x854 [ 65.014960][ T4164] vhci_create_device+0x2bc/0x564 [ 65.016490][ T4164] vhci_write+0x30c/0x3ac [ 65.017944][ T4164] vfs_write+0x7c8/0xa2c [ 65.019381][ T4164] ksys_write+0x120/0x210 [ 65.020714][ T4164] __arm64_sys_write+0x7c/0x90 [ 65.022242][ T4164] invoke_syscall+0x98/0x2b8 [ 65.023683][ T4164] el0_svc_common+0x138/0x258 [ 65.025158][ T4164] do_el0_svc+0x58/0x14c [ 65.026465][ T4164] el0_svc+0x78/0x1e0 [ 65.027668][ T4164] el0t_64_sync_handler+0xcc/0xe4 [ 65.029216][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 65.030596][ T4164] [ 65.030596][ T4164] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.032920][ T4164] __mutex_lock_common+0x194/0x1edc [ 65.034549][ T4164] mutex_lock_nested+0xac/0x11c [ 65.036103][ T4164] vhci_send_frame+0x88/0x118 [ 65.037617][ T4164] hci_send_frame+0x194/0x2f0 [ 65.039095][ T4164] hci_tx_work+0x7e4/0x1394 [ 65.040427][ T4164] process_one_work+0x79c/0x1140 [ 65.041891][ T4164] worker_thread+0x8f4/0x101c [ 65.043582][ T4164] kthread+0x374/0x454 [ 65.044769][ T4164] ret_from_fork+0x10/0x20 [ 65.046059][ T4164] [ 65.046059][ T4164] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.048452][ T4164] __flush_work+0xf4/0x1bc [ 65.049792][ T4164] flush_work+0x24/0x38 [ 65.051093][ T4164] hci_dev_do_close+0x164/0x105c [ 65.052634][ T4164] hci_unregister_dev+0x23c/0x4c0 [ 65.054125][ T4164] vhci_release+0x74/0xc4 [ 65.055507][ T4164] __fput+0x1c0/0x7f8 [ 65.056772][ T4164] ____fput+0x20/0x30 [ 65.058034][ T4164] task_work_run+0x12c/0x1e0 [ 65.059461][ T4164] do_exit+0x67c/0x1f58 [ 65.060692][ T4164] do_group_exit+0x100/0x268 [ 65.061975][ T4164] get_signal+0x73c/0x1340 [ 65.063351][ T4164] do_notify_resume+0x35c/0x3128 [ 65.064888][ T4164] el0_svc+0xf0/0x1e0 [ 65.066310][ T4164] el0t_64_sync_handler+0xcc/0xe4 [ 65.068739][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 65.070125][ T4164] [ 65.070125][ T4164] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.072267][ T4164] __mutex_lock_common+0x194/0x1edc [ 65.073855][ T4164] mutex_lock_nested+0xac/0x11c [ 65.075337][ T4164] bg_scan_update+0x48/0x3d0 [ 65.076807][ T4164] process_one_work+0x79c/0x1140 [ 65.078316][ T4164] worker_thread+0x8f4/0x101c [ 65.079898][ T4164] kthread+0x374/0x454 [ 65.081470][ T4164] ret_from_fork+0x10/0x20 [ 65.084154][ T4164] [ 65.084154][ T4164] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.087009][ T4164] __lock_acquire+0x2928/0x651c [ 65.088523][ T4164] lock_acquire+0x1f4/0x620 [ 65.089883][ T4164] __flush_work+0xf4/0x1bc [ 65.091245][ T4164] __cancel_work_timer+0x2ec/0x448 [ 65.092839][ T4164] cancel_work_sync+0x24/0x38 [ 65.094412][ T4164] hci_request_cancel_all+0xbc/0x2d0 [ 65.096249][ T4164] hci_dev_do_close+0x54/0x105c [ 65.097827][ T4164] hci_rfkill_set_block+0xdc/0x1d0 [ 65.099467][ T4164] rfkill_set_block+0x18c/0x374 [ 65.101024][ T4164] rfkill_fop_write+0x4a4/0x5cc [ 65.102539][ T4164] vfs_write+0x280/0xa2c [ 65.103825][ T4164] ksys_write+0x120/0x210 [ 65.105148][ T4164] __arm64_sys_write+0x7c/0x90 [ 65.106664][ T4164] invoke_syscall+0x98/0x2b8 [ 65.108121][ T4164] el0_svc_common+0x138/0x258 [ 65.109640][ T4164] do_el0_svc+0x58/0x14c [ 65.110995][ T4164] el0_svc+0x78/0x1e0 [ 65.112227][ T4164] el0t_64_sync_handler+0xcc/0xe4 [ 65.113686][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 65.115313][ T4164] [ 65.115313][ T4164] other info that might help us debug this: [ 65.115313][ T4164] [ 65.118530][ T4164] Chain exists of: [ 65.118530][ T4164] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.118530][ T4164] [ 65.122967][ T4164] Possible unsafe locking scenario: [ 65.122967][ T4164] [ 65.125206][ T4164] CPU0 CPU1 [ 65.126677][ T4164] ---- ---- [ 65.128199][ T4164] lock(rfkill_global_mutex); [ 65.129543][ T4164] lock(&data->open_mutex); [ 65.131518][ T4164] lock(rfkill_global_mutex); [ 65.133511][ T4164] lock((work_completion)(&hdev->bg_scan_update)); [ 65.135389][ T4164] [ 65.135389][ T4164] *** DEADLOCK *** [ 65.135389][ T4164] [ 65.137727][ T4164] 1 lock held by syz.0.16/4164: [ 65.139093][ T4164] #0: ffff800016507d48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 65.142060][ T4164] [ 65.142060][ T4164] stack backtrace: [ 65.143662][ T4164] CPU: 0 PID: 4164 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 [ 65.145842][ T4164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.148805][ T4164] Call trace: [ 65.149732][ T4164] dump_backtrace+0x0/0x43c [ 65.151048][ T4164] show_stack+0x2c/0x3c [ 65.152220][ T4164] __dump_stack+0x30/0x40 [ 65.153574][ T4164] dump_stack_lvl+0xf8/0x160 [ 65.154889][ T4164] dump_stack+0x1c/0x5c [ 65.156140][ T4164] print_circular_bug+0x148/0x1b0 [ 65.157584][ T4164] check_noncircular+0x240/0x2d4 [ 65.158960][ T4164] __lock_acquire+0x2928/0x651c [ 65.160358][ T4164] lock_acquire+0x1f4/0x620 [ 65.161665][ T4164] __flush_work+0xf4/0x1bc [ 65.162949][ T4164] __cancel_work_timer+0x2ec/0x448 [ 65.164464][ T4164] cancel_work_sync+0x24/0x38 [ 65.165824][ T4164] hci_request_cancel_all+0xbc/0x2d0 [ 65.167280][ T4164] hci_dev_do_close+0x54/0x105c [ 65.169769][ T4164] hci_rfkill_set_block+0xdc/0x1d0 [ 65.171143][ T4164] rfkill_set_block+0x18c/0x374 [ 65.172493][ T4164] rfkill_fop_write+0x4a4/0x5cc [ 65.173820][ T4164] vfs_write+0x280/0xa2c [ 65.175053][ T4164] ksys_write+0x120/0x210 [ 65.176227][ T4164] __arm64_sys_write+0x7c/0x90 [ 65.177620][ T4164] invoke_syscall+0x98/0x2b8 [ 65.178846][ T4164] el0_svc_common+0x138/0x258 [ 65.180169][ T4164] do_el0_svc+0x58/0x14c [ 65.181363][ T4164] el0_svc+0x78/0x1e0 [ 65.182471][ T4164] el0t_64_sync_handler+0xcc/0xe4 [ 65.183833][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 65.674231][ T153] device hsr_slave_0 left promiscuous mode [ 65.711217][ T153] device hsr_slave_1 left promiscuous mode