Warning: Permanently added '10.128.1.76' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.398829][ T4026] cgroup: Unknown subsys name 'net' [ 48.687757][ T4026] cgroup: Unknown subsys name 'rlimit' [ 49.038428][ T4026] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.335027][ T4051] chnl_net:caif_netlink_parms(): no params data found [ 56.384115][ T4051] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.386070][ T4051] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.388868][ T4051] device bridge_slave_0 entered promiscuous mode [ 56.394917][ T4051] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.396821][ T4051] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.399524][ T4051] device bridge_slave_1 entered promiscuous mode [ 56.418160][ T4051] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.423896][ T4051] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.440501][ T4051] team0: Port device team_slave_0 added [ 56.447556][ T4051] team0: Port device team_slave_1 added [ 56.461696][ T4051] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.463470][ T4051] 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. [ 56.470070][ T4051] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.477121][ T4051] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.479023][ T4051] 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. [ 56.486575][ T4051] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.562913][ T4051] device hsr_slave_0 entered promiscuous mode [ 56.611089][ T4051] device hsr_slave_1 entered promiscuous mode [ 56.767320][ T4051] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.814702][ T4051] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.854250][ T4051] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.973942][ T4051] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.053934][ T4051] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.055891][ T4051] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.058224][ T4051] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.060141][ T4051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.114149][ T4051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.124219][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.128749][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.138574][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.150301][ T4051] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.159873][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.165608][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.167406][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.181133][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.184281][ T705] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.186268][ T705] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.205320][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.208632][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.213739][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.216784][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.226394][ T4051] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.229702][ T4051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.233013][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.313016][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.315245][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.324322][ T4051] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.337563][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.342480][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.356806][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.360359][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.366131][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.368230][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.373862][ T4051] device veth0_vlan entered promiscuous mode [ 57.381973][ T4051] device veth1_vlan entered promiscuous mode [ 57.401654][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.404584][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.407166][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.409442][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.424868][ T4051] device veth0_macvtap entered promiscuous mode [ 57.432014][ T4051] device veth1_macvtap entered promiscuous mode [ 57.444603][ T4051] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.446809][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.449478][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.453709][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.456624][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.462938][ T4051] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.467760][ T4051] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.470136][ T4051] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.472971][ T4051] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.475540][ T4051] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.479857][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.484833][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.516892][ T153] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.538036][ T378] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.540127][ T378] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.553876][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.559318][ T378] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.562156][ T378] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.565289][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.940854][ T153] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.867949][ T153] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.921397][ T153] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:03 executed programs: 0 [ 64.215582][ T4158] chnl_net:caif_netlink_parms(): no params data found [ 64.260460][ T4158] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.263811][ T4158] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.266360][ T4158] device bridge_slave_0 entered promiscuous mode [ 64.270192][ T4158] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.273570][ T4158] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.276222][ T4158] device bridge_slave_1 entered promiscuous mode [ 64.297131][ T4158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.303762][ T4158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.336447][ T4158] team0: Port device team_slave_0 added [ 64.343022][ T4158] team0: Port device team_slave_1 added [ 64.360912][ T4158] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.362758][ T4158] 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. [ 64.369125][ T4158] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.374037][ T4158] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.375885][ T4158] 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. [ 64.383247][ T4158] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.482895][ T4158] device hsr_slave_0 entered promiscuous mode [ 64.541026][ T4158] device hsr_slave_1 entered promiscuous mode [ 64.580807][ T4158] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.583143][ T4158] Cannot create hsr debugfs directory [ 65.165737][ T4158] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.215513][ T4158] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.253670][ T4158] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.283688][ T4158] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.424309][ T4158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.433369][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.436290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.441530][ T4158] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.484267][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.487441][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.494698][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.496823][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.499810][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.509971][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.514102][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.516903][ T705] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.518876][ T705] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.524588][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.529497][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.537400][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.542571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.545541][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.559643][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.563114][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.565923][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.568703][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.579944][ T4158] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.587532][ T4158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.590394][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.594138][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.695889][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.698134][ T705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.727994][ T4158] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.748142][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.751357][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.768248][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.774031][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.777137][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.779663][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.785148][ T4158] device veth0_vlan entered promiscuous mode [ 65.793655][ T4158] device veth1_vlan entered promiscuous mode [ 65.815839][ T4158] device veth0_macvtap entered promiscuous mode [ 65.825648][ T4158] device veth1_macvtap entered promiscuous mode [ 65.828439][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.831405][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.834203][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.837835][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.843482][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.857218][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.860385][ T4158] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.866601][ T4158] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.871512][ T4158] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.874044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.876834][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.887659][ T4158] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.890156][ T4158] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.895676][ T4158] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.897746][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.901211][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.907266][ T4158] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.909547][ T4158] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.914940][ T4158] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.917242][ T4158] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.006543][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.008666][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.012929][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.034039][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.036115][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.039584][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.142277][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 66.266155][ T4249] [ 66.266771][ T4249] ====================================================== [ 66.268493][ T4249] WARNING: possible circular locking dependency detected [ 66.270254][ T4249] 5.15.179-syzkaller #0 Not tainted [ 66.271619][ T4249] ------------------------------------------------------ [ 66.273469][ T4249] syz.0.16/4249 is trying to acquire lock: [ 66.274945][ T4249] ffff0000d8d28c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 66.277849][ T4249] [ 66.277849][ T4249] but task is already holding lock: [ 66.279697][ T4249] ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.282210][ T4249] [ 66.282210][ T4249] which lock already depends on the new lock. [ 66.282210][ T4249] [ 66.284798][ T4249] [ 66.284798][ T4249] the existing dependency chain (in reverse order) is: [ 66.287192][ T4249] [ 66.287192][ T4249] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.289267][ T4249] __mutex_lock_common+0x194/0x2154 [ 66.290665][ T4249] mutex_lock_nested+0xa4/0xf8 [ 66.292027][ T4249] rfkill_register+0x44/0x7a4 [ 66.293432][ T4249] hci_register_dev+0x3e0/0x880 [ 66.294864][ T4249] vhci_create_device+0x2c4/0x568 [ 66.296219][ T4249] vhci_write+0x318/0x3b8 [ 66.297430][ T4249] vfs_write+0x884/0xb44 [ 66.298694][ T4249] ksys_write+0x15c/0x26c [ 66.299896][ T4249] __arm64_sys_write+0x7c/0x90 [ 66.301222][ T4249] invoke_syscall+0x98/0x2b8 [ 66.302508][ T4249] el0_svc_common+0x138/0x258 [ 66.303783][ T4249] do_el0_svc+0x58/0x14c [ 66.304946][ T4249] el0_svc+0x7c/0x1f0 [ 66.306124][ T4249] el0t_64_sync_handler+0x84/0xe4 [ 66.307506][ T4249] el0t_64_sync+0x1a0/0x1a4 [ 66.308831][ T4249] [ 66.308831][ T4249] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 66.310939][ T4249] __mutex_lock_common+0x194/0x2154 [ 66.312381][ T4249] mutex_lock_nested+0xa4/0xf8 [ 66.313820][ T4249] vhci_send_frame+0x8c/0x10c [ 66.315119][ T4249] hci_send_frame+0x194/0x2f0 [ 66.316468][ T4249] hci_tx_work+0x9ac/0x16cc [ 66.317781][ T4249] process_one_work+0x790/0x11b8 [ 66.319248][ T4249] worker_thread+0x910/0x1034 [ 66.320471][ T4249] kthread+0x37c/0x45c [ 66.321607][ T4249] ret_from_fork+0x10/0x20 [ 66.323041][ T4249] [ 66.323041][ T4249] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 66.325632][ T4249] __flush_work+0xf8/0x1c0 [ 66.326820][ T4249] flush_work+0x24/0x38 [ 66.328062][ T4249] hci_dev_do_close+0x16c/0x1060 [ 66.329475][ T4249] hci_unregister_dev+0x248/0x4d4 [ 66.330930][ T4249] vhci_release+0x74/0xc4 [ 66.332208][ T4249] __fput+0x1c4/0x800 [ 66.333297][ T4249] ____fput+0x20/0x30 [ 66.334536][ T4249] task_work_run+0x130/0x1e4 [ 66.335913][ T4249] do_exit+0x670/0x20bc [ 66.337113][ T4249] do_group_exit+0x110/0x268 [ 66.338445][ T4249] get_signal+0x634/0x1550 [ 66.339757][ T4249] do_notify_resume+0x3d0/0x32b8 [ 66.341137][ T4249] el0_svc+0xfc/0x1f0 [ 66.342293][ T4249] el0t_64_sync_handler+0x84/0xe4 [ 66.343704][ T4249] el0t_64_sync+0x1a0/0x1a4 [ 66.344959][ T4249] [ 66.344959][ T4249] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 66.346950][ T4249] __mutex_lock_common+0x194/0x2154 [ 66.348458][ T4249] mutex_lock_nested+0xa4/0xf8 [ 66.349928][ T4249] bg_scan_update+0x9c/0x470 [ 66.351197][ T4249] process_one_work+0x790/0x11b8 [ 66.352618][ T4249] worker_thread+0x910/0x1034 [ 66.353922][ T4249] kthread+0x37c/0x45c [ 66.355102][ T4249] ret_from_fork+0x10/0x20 [ 66.356412][ T4249] [ 66.356412][ T4249] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 66.358872][ T4249] __lock_acquire+0x32d4/0x7638 [ 66.360383][ T4249] lock_acquire+0x240/0x77c [ 66.361685][ T4249] __flush_work+0xf8/0x1c0 [ 66.362983][ T4249] __cancel_work_timer+0x3ec/0x548 [ 66.364439][ T4249] cancel_work_sync+0x24/0x38 [ 66.365721][ T4249] hci_request_cancel_all+0xcc/0x2d0 [ 66.367123][ T4249] hci_dev_do_close+0x54/0x1060 [ 66.368581][ T4249] hci_rfkill_set_block+0xdc/0x1d0 [ 66.370098][ T4249] rfkill_set_block+0x18c/0x37c [ 66.371595][ T4249] rfkill_fop_write+0x594/0x750 [ 66.373021][ T4249] vfs_write+0x280/0xb44 [ 66.374285][ T4249] ksys_write+0x15c/0x26c [ 66.375582][ T4249] __arm64_sys_write+0x7c/0x90 [ 66.376998][ T4249] invoke_syscall+0x98/0x2b8 [ 66.378331][ T4249] el0_svc_common+0x138/0x258 [ 66.379592][ T4249] do_el0_svc+0x58/0x14c [ 66.380806][ T4249] el0_svc+0x7c/0x1f0 [ 66.381943][ T4249] el0t_64_sync_handler+0x84/0xe4 [ 66.383447][ T4249] el0t_64_sync+0x1a0/0x1a4 [ 66.384776][ T4249] [ 66.384776][ T4249] other info that might help us debug this: [ 66.384776][ T4249] [ 66.387888][ T4249] Chain exists of: [ 66.387888][ T4249] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 66.387888][ T4249] [ 66.392117][ T4249] Possible unsafe locking scenario: [ 66.392117][ T4249] [ 66.394106][ T4249] CPU0 CPU1 [ 66.395484][ T4249] ---- ---- [ 66.396855][ T4249] lock(rfkill_global_mutex); [ 66.398119][ T4249] lock(&data->open_mutex); [ 66.400130][ T4249] lock(rfkill_global_mutex); [ 66.401991][ T4249] lock((work_completion)(&hdev->bg_scan_update)); [ 66.403726][ T4249] [ 66.403726][ T4249] *** DEADLOCK *** [ 66.403726][ T4249] [ 66.405800][ T4249] 1 lock held by syz.0.16/4249: [ 66.407142][ T4249] #0: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.409880][ T4249] [ 66.409880][ T4249] stack backtrace: [ 66.411459][ T4249] CPU: 1 PID: 4249 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 [ 66.413518][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 66.416213][ T4249] Call trace: [ 66.417085][ T4249] dump_backtrace+0x0/0x530 [ 66.418269][ T4249] show_stack+0x2c/0x3c [ 66.419378][ T4249] dump_stack_lvl+0x108/0x170 [ 66.420524][ T4249] dump_stack+0x1c/0x58 [ 66.421530][ T4249] print_circular_bug+0x150/0x1b8 [ 66.422892][ T4249] check_noncircular+0x2cc/0x378 [ 66.424188][ T4249] __lock_acquire+0x32d4/0x7638 [ 66.425396][ T4249] lock_acquire+0x240/0x77c [ 66.426511][ T4249] __flush_work+0xf8/0x1c0 [ 66.427625][ T4249] __cancel_work_timer+0x3ec/0x548 [ 66.428878][ T4249] cancel_work_sync+0x24/0x38 [ 66.430054][ T4249] hci_request_cancel_all+0xcc/0x2d0 [ 66.431411][ T4249] hci_dev_do_close+0x54/0x1060 [ 66.432687][ T4249] hci_rfkill_set_block+0xdc/0x1d0 [ 66.434025][ T4249] rfkill_set_block+0x18c/0x37c [ 66.435281][ T4249] rfkill_fop_write+0x594/0x750 [ 66.436529][ T4249] vfs_write+0x280/0xb44 [ 66.437650][ T4249] ksys_write+0x15c/0x26c [ 66.438765][ T4249] __arm64_sys_write+0x7c/0x90 [ 66.439983][ T4249] invoke_syscall+0x98/0x2b8 [ 66.441195][ T4249] el0_svc_common+0x138/0x258 [ 66.442376][ T4249] do_el0_svc+0x58/0x14c [ 66.443363][ T4249] el0_svc+0x7c/0x1f0 [ 66.444402][ T4249] el0t_64_sync_handler+0x84/0xe4 [ 66.445653][ T4249] el0t_64_sync+0x1a0/0x1a4 [ 66.465030][ T153] device hsr_slave_0 left promiscuous mode [ 66.491806][ T153] device hsr_slave_1 left promiscuous mode [ 66.572505][ T153] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 66.574584][ T153] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 66.577324][ T153] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 66.579235][ T153] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 66.581812][ T153] device bridge_slave_1 left promiscuous mode [ 66.583534][ T153] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.631974][ T153] device bridge_slave_0 left promiscuous mode [ 66.633606][ T153] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.742557][ T153] device veth1_macvtap left promiscuous mode [ 66.744063][ T153] device veth0_macvtap left promiscuous mode [ 66.745607][ T153] device veth1_vlan left promiscuous mode [ 66.747140][ T153] device veth0_vlan left promiscuous mode [ 66.920987][ T153] team0 (unregistering): Port device team_slave_1 removed [ 66.928003][ T153] team0 (unregistering): Port device team_slave_0 removed [ 66.934793][ T153] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.968877][ T153] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.085715][ T153] bond0 (unregistering): Released all slaves