Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. 1970/01/01 00:00:43 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 47.211518][ T4043] cgroup: Unknown subsys name 'net' [ 47.458922][ T4043] cgroup: Unknown subsys name 'rlimit' [ 47.819001][ T4043] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 54.958274][ T4083] chnl_net:caif_netlink_parms(): no params data found [ 55.005158][ T4083] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.007369][ T4083] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.010058][ T4083] device bridge_slave_0 entered promiscuous mode [ 55.019224][ T4083] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.021344][ T4083] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.024067][ T4083] device bridge_slave_1 entered promiscuous mode [ 55.040613][ T4083] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.045250][ T4083] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.065791][ T4083] team0: Port device team_slave_0 added [ 55.069459][ T4083] team0: Port device team_slave_1 added [ 55.084227][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.086246][ T4083] 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. [ 55.093855][ T4083] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.098494][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.100353][ T4083] 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. [ 55.107712][ T4083] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.165345][ T4083] device hsr_slave_0 entered promiscuous mode [ 55.202973][ T4083] device hsr_slave_1 entered promiscuous mode [ 55.394050][ T4083] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.454854][ T4083] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.494621][ T4083] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.537988][ T4083] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.596911][ T4083] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.598955][ T4083] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.601338][ T4083] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.603434][ T4083] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.651274][ T4083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.662017][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.667345][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.671035][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.681989][ T4083] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.688913][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.691658][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.693762][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.704122][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.707145][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.709187][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.725424][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.728404][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.743837][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.746753][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.750037][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.753491][ T4083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.835705][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.838047][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.846982][ T4083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.864249][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.879823][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.882873][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.886185][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.889182][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.895222][ T4083] device veth0_vlan entered promiscuous mode [ 55.901476][ T4083] device veth1_vlan entered promiscuous mode [ 55.923675][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.926483][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.929051][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 55.932232][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.938959][ T4083] device veth0_macvtap entered promiscuous mode [ 55.943806][ T4083] device veth1_macvtap entered promiscuous mode [ 55.955098][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.957246][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.959929][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.963119][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.965835][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.970825][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.974987][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.977744][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.983866][ T4083] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.986412][ T4083] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.988863][ T4083] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.991196][ T4083] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.785305][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.809776][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.812011][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.817644][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.834691][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.837032][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.839963][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:57 executed programs: 0 [ 57.670179][ T4132] chnl_net:caif_netlink_parms(): no params data found [ 57.706336][ T4132] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.708393][ T4132] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.711168][ T4132] device bridge_slave_0 entered promiscuous mode [ 57.715253][ T4132] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.717322][ T4132] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.719887][ T4132] device bridge_slave_1 entered promiscuous mode [ 57.736107][ T4132] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.740768][ T4132] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.757343][ T4132] team0: Port device team_slave_0 added [ 57.760964][ T4132] team0: Port device team_slave_1 added [ 57.774454][ T4132] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.776749][ T4132] 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. [ 57.785987][ T4132] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.796200][ T4132] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.798241][ T4132] 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. [ 57.805343][ T4132] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.865090][ T4132] device hsr_slave_0 entered promiscuous mode [ 57.923050][ T4132] device hsr_slave_1 entered promiscuous mode [ 57.962809][ T4132] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.965239][ T4132] Cannot create hsr debugfs directory [ 58.860975][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.623193][ T3618] Bluetooth: hci0: command 0x0409 tx timeout [ 61.439381][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.491909][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.702964][ T4095] Bluetooth: hci0: command 0x041b tx timeout [ 62.372039][ T4132] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.436213][ T4132] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.475246][ T4132] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.526564][ T4132] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.615551][ T4132] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.625854][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.628462][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.633238][ T4132] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.637923][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.641038][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.643954][ T310] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.645876][ T310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.648709][ T310] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.654608][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.657422][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.659980][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.661917][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.705550][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.710485][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.718307][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.721754][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.726608][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.731901][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.737792][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.749112][ T4132] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.752045][ T4132] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.756391][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.759220][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.762139][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.765898][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.769888][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.845984][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.848245][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.855450][ T4132] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.867689][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.870524][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.887343][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.890166][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.893248][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.895891][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.901545][ T4132] device veth0_vlan entered promiscuous mode [ 62.908935][ T4132] device veth1_vlan entered promiscuous mode [ 62.925912][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.928665][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.931383][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.935150][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.940393][ T4132] device veth0_macvtap entered promiscuous mode [ 62.948536][ T4132] device veth1_macvtap entered promiscuous mode [ 62.959148][ T4132] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.962139][ T4132] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.966063][ T4132] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.999057][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.001839][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.006310][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.009123][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.014003][ T4132] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.016841][ T4132] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.020401][ T4132] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.022529][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.027102][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.032228][ T4132] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.034811][ T4132] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.037158][ T4132] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.039557][ T4132] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.080729][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.085532][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.088654][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.106282][ T310] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.108426][ T310] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.111325][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:03 executed programs: 2 [ 63.287955][ T4188] [ 63.288658][ T4188] ====================================================== [ 63.290569][ T4188] WARNING: possible circular locking dependency detected [ 63.292412][ T4188] 5.15.189-syzkaller #0 Not tainted [ 63.293845][ T4188] ------------------------------------------------------ [ 63.295807][ T4188] syz.0.16/4188 is trying to acquire lock: [ 63.297354][ T4188] ffff0000d2184c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 63.300377][ T4188] [ 63.300377][ T4188] but task is already holding lock: [ 63.302403][ T4188] ffff80001651bc28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.305101][ T4188] [ 63.305101][ T4188] which lock already depends on the new lock. [ 63.305101][ T4188] [ 63.307975][ T4188] [ 63.307975][ T4188] the existing dependency chain (in reverse order) is: [ 63.310477][ T4188] [ 63.310477][ T4188] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.312731][ T4188] __mutex_lock_common+0x194/0x1edc [ 63.314242][ T4188] mutex_lock_nested+0xac/0x11c [ 63.315695][ T4188] rfkill_register+0x44/0x77c [ 63.317094][ T4188] hci_register_dev+0x3d8/0x854 [ 63.318557][ T4188] vhci_create_device+0x2bc/0x564 [ 63.320081][ T4188] vhci_write+0x30c/0x3ac [ 63.321404][ T4188] vfs_write+0x7c8/0xa2c [ 63.322729][ T4188] ksys_write+0x120/0x210 [ 63.324061][ T4188] __arm64_sys_write+0x7c/0x90 [ 63.325505][ T4188] invoke_syscall+0x98/0x2b8 [ 63.326937][ T4188] el0_svc_common+0x138/0x258 [ 63.328328][ T4188] do_el0_svc+0x58/0x14c [ 63.329601][ T4188] el0_svc+0x78/0x1e0 [ 63.330811][ T4188] el0t_64_sync_handler+0xcc/0xe4 [ 63.332410][ T4188] el0t_64_sync+0x1a0/0x1a4 [ 63.333704][ T4188] [ 63.333704][ T4188] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.335823][ T4188] __mutex_lock_common+0x194/0x1edc [ 63.337350][ T4188] mutex_lock_nested+0xac/0x11c [ 63.338806][ T4188] vhci_send_frame+0x88/0x118 [ 63.340210][ T4188] hci_send_frame+0x194/0x2f0 [ 63.341596][ T4188] hci_tx_work+0x7e4/0x1394 [ 63.343001][ T4188] process_one_work+0x79c/0x1140 [ 63.344510][ T4188] worker_thread+0x8f4/0x101c [ 63.345896][ T4188] kthread+0x374/0x454 [ 63.347157][ T4188] ret_from_fork+0x10/0x20 [ 63.348495][ T4188] [ 63.348495][ T4188] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.351058][ T4188] __flush_work+0xf4/0x1bc [ 63.352386][ T4188] flush_work+0x24/0x38 [ 63.353651][ T4188] hci_dev_do_close+0x164/0x105c [ 63.355170][ T4188] hci_unregister_dev+0x23c/0x4c0 [ 63.356704][ T4188] vhci_release+0x74/0xc4 [ 63.358045][ T4188] __fput+0x1c0/0x7f8 [ 63.359231][ T4188] ____fput+0x20/0x30 [ 63.360399][ T4188] task_work_run+0x12c/0x1e0 [ 63.361783][ T4188] do_exit+0x684/0x1f58 [ 63.363061][ T4188] do_group_exit+0x100/0x268 [ 63.364499][ T4188] get_signal+0x73c/0x1340 [ 63.365870][ T4188] do_notify_resume+0x35c/0x3128 [ 63.367338][ T4188] el0_svc+0xf0/0x1e0 [ 63.368576][ T4188] el0t_64_sync_handler+0xcc/0xe4 [ 63.370090][ T4188] el0t_64_sync+0x1a0/0x1a4 [ 63.371454][ T4188] [ 63.371454][ T4188] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.373540][ T4188] __mutex_lock_common+0x194/0x1edc [ 63.375147][ T4188] mutex_lock_nested+0xac/0x11c [ 63.376582][ T4188] bg_scan_update+0x48/0x3d0 [ 63.377921][ T4188] process_one_work+0x79c/0x1140 [ 63.379373][ T4188] worker_thread+0x8f4/0x101c [ 63.380778][ T4188] kthread+0x374/0x454 [ 63.382048][ T4188] ret_from_fork+0x10/0x20 [ 63.383366][ T4188] [ 63.383366][ T4188] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.386150][ T4188] __lock_acquire+0x2928/0x651c [ 63.387635][ T4188] lock_acquire+0x1f4/0x620 [ 63.389017][ T4188] __flush_work+0xf4/0x1bc [ 63.390431][ T4188] __cancel_work_timer+0x2ec/0x448 [ 63.392045][ T4188] cancel_work_sync+0x24/0x38 [ 63.393642][ T4188] hci_request_cancel_all+0xbc/0x2d0 [ 63.395344][ T4188] hci_dev_do_close+0x54/0x105c [ 63.396811][ T4188] hci_rfkill_set_block+0xdc/0x1d0 [ 63.398457][ T4188] rfkill_set_block+0x18c/0x374 [ 63.400033][ T4188] rfkill_fop_write+0x4a4/0x5cc [ 63.401521][ T4188] vfs_write+0x280/0xa2c [ 63.402828][ T4188] ksys_write+0x120/0x210 [ 63.404197][ T4188] __arm64_sys_write+0x7c/0x90 [ 63.405640][ T4188] invoke_syscall+0x98/0x2b8 [ 63.407061][ T4188] el0_svc_common+0x138/0x258 [ 63.408503][ T4188] do_el0_svc+0x58/0x14c [ 63.409758][ T4188] el0_svc+0x78/0x1e0 [ 63.410927][ T4188] el0t_64_sync_handler+0xcc/0xe4 [ 63.412495][ T4188] el0t_64_sync+0x1a0/0x1a4 [ 63.413857][ T4188] [ 63.413857][ T4188] other info that might help us debug this: [ 63.413857][ T4188] [ 63.416733][ T4188] Chain exists of: [ 63.416733][ T4188] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.416733][ T4188] [ 63.421227][ T4188] Possible unsafe locking scenario: [ 63.421227][ T4188] [ 63.423309][ T4188] CPU0 CPU1 [ 63.424761][ T4188] ---- ---- [ 63.426291][ T4188] lock(rfkill_global_mutex); [ 63.427733][ T4188] lock(&data->open_mutex); [ 63.429726][ T4188] lock(rfkill_global_mutex); [ 63.431748][ T4188] lock((work_completion)(&hdev->bg_scan_update)); [ 63.433591][ T4188] [ 63.433591][ T4188] *** DEADLOCK *** [ 63.433591][ T4188] [ 63.435922][ T4188] 1 lock held by syz.0.16/4188: [ 63.437248][ T4188] #0: ffff80001651bc28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.440232][ T4188] [ 63.440232][ T4188] stack backtrace: [ 63.441811][ T4188] CPU: 1 PID: 4188 Comm: syz.0.16 Not tainted 5.15.189-syzkaller #0 [ 63.444002][ T4188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 63.446800][ T4188] Call trace: [ 63.447717][ T4188] dump_backtrace+0x0/0x43c [ 63.448936][ T4188] show_stack+0x2c/0x3c [ 63.450124][ T4188] __dump_stack+0x30/0x40 [ 63.451327][ T4188] dump_stack_lvl+0xf8/0x160 [ 63.452648][ T4188] dump_stack+0x1c/0x5c [ 63.453768][ T4188] print_circular_bug+0x148/0x1b0 [ 63.455193][ T4188] check_noncircular+0x240/0x2d4 [ 63.456576][ T4188] __lock_acquire+0x2928/0x651c [ 63.457966][ T4188] lock_acquire+0x1f4/0x620 [ 63.459243][ T4188] __flush_work+0xf4/0x1bc [ 63.460470][ T4188] __cancel_work_timer+0x2ec/0x448 [ 63.461890][ T4188] cancel_work_sync+0x24/0x38 [ 63.463177][ T4188] hci_request_cancel_all+0xbc/0x2d0 [ 63.464687][ T4188] hci_dev_do_close+0x54/0x105c [ 63.466106][ T4188] hci_rfkill_set_block+0xdc/0x1d0 [ 63.467555][ T4188] rfkill_set_block+0x18c/0x374 [ 63.468893][ T4188] rfkill_fop_write+0x4a4/0x5cc [ 63.470262][ T4188] vfs_write+0x280/0xa2c [ 63.471478][ T4188] ksys_write+0x120/0x210 [ 63.472642][ T4188] __arm64_sys_write+0x7c/0x90 [ 63.473994][ T4188] invoke_syscall+0x98/0x2b8 [ 63.475221][ T4188] el0_svc_common+0x138/0x258 [ 63.476575][ T4188] do_el0_svc+0x58/0x14c [ 63.477765][ T4188] el0_svc+0x78/0x1e0 [ 63.478925][ T4188] el0t_64_sync_handler+0xcc/0xe4 [ 63.480265][ T4188] el0t_64_sync+0x1a0/0x1a4 [ 65.448161][ T136] device hsr_slave_0 left promiscuous mode [ 65.483359][ T136] device hsr_slave_1 left promiscuous mode [ 65.582808][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 65.584910][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 65.587571][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 65.589796][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 65.592279][ T136] device bridge_slave_1 left promiscuous mode [ 65.594101][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.633690][ T136] device bridge_slave_0 left promiscuous mode [ 65.635602][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.772951][ T136] device veth1_macvtap left promiscuous mode [ 65.774756][ T136] device veth0_macvtap left promiscuous mode [ 65.776602][ T136] device veth1_vlan left promiscuous mode [ 65.778188][ T136] device veth0_vlan left promiscuous mode [ 65.946806][ T136] team0 (unregistering): Port device team_slave_1 removed [ 65.953710][ T136] team0 (unregistering): Port device team_slave_0 removed [ 65.960326][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.007614][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.148928][ T136] bond0 (unregistering): Released all slaves 1970/01/01 00:01:08 executed programs: 180 [ 69.623468][ T2057] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.625397][ T2057] ieee802154 phy1 wpan1: encryption failed: -22 1970/01/01 00:01:13 executed programs: 460