Warning: Permanently added '10.128.1.18' (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 [ 47.743605][ T4029] cgroup: Unknown subsys name 'net' [ 47.981634][ T4029] cgroup: Unknown subsys name 'rlimit' [ 48.294820][ T4029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.686952][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.688620][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.691029][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.710097][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.711747][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.713909][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.131294][ T4094] chnl_net:caif_netlink_parms(): no params data found [ 58.170850][ T4094] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.172430][ T4094] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.174876][ T4094] device bridge_slave_0 entered promiscuous mode [ 58.179527][ T4094] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.181416][ T4094] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.184010][ T4094] device bridge_slave_1 entered promiscuous mode [ 58.200202][ T4094] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.204482][ T4094] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.221630][ T4094] team0: Port device team_slave_0 added [ 58.225269][ T4094] team0: Port device team_slave_1 added [ 58.238561][ T4094] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.240147][ T4094] 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. [ 58.246330][ T4094] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.250573][ T4094] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.252075][ T4094] 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. [ 58.258370][ T4094] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.329464][ T4094] device hsr_slave_0 entered promiscuous mode [ 58.387512][ T4094] device hsr_slave_1 entered promiscuous mode [ 58.523492][ T4094] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.568424][ T4094] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.609135][ T4094] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.650980][ T4094] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.704251][ T4094] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.705941][ T4094] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.708193][ T4094] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.709983][ T4094] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.757547][ T4094] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.765395][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.770268][ T1604] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.773165][ T1604] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.775994][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.783401][ T4094] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.791900][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.794132][ T1604] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.795589][ T1604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.802450][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.805015][ T1604] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.806834][ T1604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.819853][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.822132][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.831454][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.838821][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.851448][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.858393][ T4094] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.935600][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.937501][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.944479][ T4094] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.967860][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.983568][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.986505][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.988486][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.993985][ T4094] device veth0_vlan entered promiscuous mode [ 59.003626][ T4094] device veth1_vlan entered promiscuous mode [ 59.020063][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.022103][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.024572][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.030922][ T4094] device veth0_macvtap entered promiscuous mode [ 59.034920][ T4094] device veth1_macvtap entered promiscuous mode [ 59.047250][ T4094] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.048996][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.051984][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.059016][ T4094] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.060881][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.065434][ T4094] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.067882][ T4094] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.069986][ T4094] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.071962][ T4094] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.255676][ T4120] chnl_net:caif_netlink_parms(): no params data found [ 59.290554][ T4120] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.292128][ T4120] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.294240][ T4120] device bridge_slave_0 entered promiscuous mode [ 59.298289][ T4120] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.299776][ T4120] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.301756][ T4120] device bridge_slave_1 entered promiscuous mode [ 59.324408][ T4120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.328451][ T4120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.343855][ T4120] team0: Port device team_slave_0 added [ 59.347323][ T4120] team0: Port device team_slave_1 added [ 59.360700][ T4120] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.362077][ T4120] 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. [ 59.368350][ T4120] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.374826][ T4120] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.377372][ T4120] 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. [ 59.382840][ T4120] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.438077][ T4120] device hsr_slave_0 entered promiscuous mode [ 59.486869][ T4120] device hsr_slave_1 entered promiscuous mode [ 59.546093][ T4120] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.547759][ T4120] Cannot create hsr debugfs directory [ 59.606336][ T4120] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.226651][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 62.023405][ T4120] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.305977][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 64.142120][ T4120] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.185178][ T4120] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.373095][ T4120] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.435678][ T4120] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.468919][ T4120] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.537838][ T4120] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.205631][ T4120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.214763][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.217054][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.225126][ T4120] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.230577][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.233171][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.235237][ T292] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.236953][ T292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.247573][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.249905][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.252088][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.254269][ T292] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.255855][ T292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.270801][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.274635][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.280159][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.283387][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.293856][ T4120] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.301535][ T4120] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.305274][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.307601][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.309789][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.312108][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.314171][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.316916][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.319572][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.322957][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.385972][ T25] Bluetooth: hci0: command 0x040f tx timeout [ 65.391563][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.393264][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.403210][ T4120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.421116][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.423823][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.441479][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.443810][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.446354][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.448846][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.453322][ T4120] device veth0_vlan entered promiscuous mode [ 65.460782][ T4120] device veth1_vlan entered promiscuous mode [ 65.485253][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.488072][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.490163][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.492564][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.497689][ T4120] device veth0_macvtap entered promiscuous mode [ 65.504281][ T4120] device veth1_macvtap entered promiscuous mode [ 65.512799][ T4120] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.515089][ T4120] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.519872][ T4120] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.521862][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.524056][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.528683][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.531253][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.538159][ T4120] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.540399][ T4120] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.543324][ T4120] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.544871][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.547344][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.551544][ T4120] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.553465][ T4120] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.555353][ T4120] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.560949][ T4120] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.611224][ T1604] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.613056][ T1604] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.615507][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.659832][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.661429][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.663978][ T1852] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.803484][ T4134] [ 65.804188][ T4134] ====================================================== [ 65.805588][ T4134] WARNING: possible circular locking dependency detected [ 65.807046][ T4134] 5.15.169-syzkaller #0 Not tainted [ 65.808199][ T4134] ------------------------------------------------------ [ 65.809644][ T4134] syz.0.15/4134 is trying to acquire lock: [ 65.810963][ T4134] ffff0000d7438c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 65.813184][ T4134] [ 65.813184][ T4134] but task is already holding lock: [ 65.814859][ T4134] ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.816973][ T4134] [ 65.816973][ T4134] which lock already depends on the new lock. [ 65.816973][ T4134] [ 65.819115][ T4134] [ 65.819115][ T4134] the existing dependency chain (in reverse order) is: [ 65.820923][ T4134] [ 65.820923][ T4134] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.822579][ T4134] __mutex_lock_common+0x194/0x2154 [ 65.823684][ T4134] mutex_lock_nested+0xa4/0xf8 [ 65.824959][ T4134] rfkill_register+0x44/0x7a4 [ 65.826038][ T4134] hci_register_dev+0x3e0/0x880 [ 65.827190][ T4134] vhci_create_device+0x2c4/0x568 [ 65.828284][ T4134] vhci_write+0x318/0x3b8 [ 65.829289][ T4134] vfs_write+0x884/0xb44 [ 65.830290][ T4134] ksys_write+0x15c/0x26c [ 65.831364][ T4134] __arm64_sys_write+0x7c/0x90 [ 65.832559][ T4134] invoke_syscall+0x98/0x2b8 [ 65.833694][ T4134] el0_svc_common+0x138/0x258 [ 65.834818][ T4134] do_el0_svc+0x58/0x14c [ 65.835868][ T4134] el0_svc+0x7c/0x1f0 [ 65.836778][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 65.838010][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 65.839145][ T4134] [ 65.839145][ T4134] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.840805][ T4134] __mutex_lock_common+0x194/0x2154 [ 65.842033][ T4134] mutex_lock_nested+0xa4/0xf8 [ 65.843214][ T4134] vhci_send_frame+0x8c/0x10c [ 65.844339][ T4134] hci_send_frame+0x194/0x2f0 [ 65.845482][ T4134] hci_tx_work+0x9ac/0x16cc [ 65.846474][ T4134] process_one_work+0x790/0x11b8 [ 65.847589][ T4134] worker_thread+0x910/0x1034 [ 65.848663][ T4134] kthread+0x37c/0x45c [ 65.849661][ T4134] ret_from_fork+0x10/0x20 [ 65.850810][ T4134] [ 65.850810][ T4134] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.852735][ T4134] __flush_work+0xf8/0x1c0 [ 65.853745][ T4134] flush_work+0x24/0x38 [ 65.854757][ T4134] hci_dev_do_close+0x16c/0x1060 [ 65.855880][ T4134] hci_unregister_dev+0x248/0x4d4 [ 65.857053][ T4134] vhci_release+0x74/0xc4 [ 65.858140][ T4134] __fput+0x1c4/0x800 [ 65.859114][ T4134] ____fput+0x20/0x30 [ 65.860316][ T4134] task_work_run+0x130/0x1e4 [ 65.861663][ T4134] do_exit+0x670/0x20bc [ 65.862657][ T4134] do_group_exit+0x110/0x268 [ 65.863800][ T4134] get_signal+0x634/0x1550 [ 65.864904][ T4134] do_notify_resume+0x3d0/0x32b8 [ 65.866069][ T4134] el0_svc+0xfc/0x1f0 [ 65.866982][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 65.868179][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 65.869331][ T4134] [ 65.869331][ T4134] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.871095][ T4134] __mutex_lock_common+0x194/0x2154 [ 65.872364][ T4134] mutex_lock_nested+0xa4/0xf8 [ 65.873463][ T4134] bg_scan_update+0x9c/0x470 [ 65.874548][ T4134] process_one_work+0x790/0x11b8 [ 65.875764][ T4134] worker_thread+0x910/0x1034 [ 65.876869][ T4134] kthread+0x37c/0x45c [ 65.877781][ T4134] ret_from_fork+0x10/0x20 [ 65.878838][ T4134] [ 65.878838][ T4134] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.880945][ T4134] __lock_acquire+0x32d4/0x7638 [ 65.882218][ T4134] lock_acquire+0x240/0x77c [ 65.883490][ T4134] __flush_work+0xf8/0x1c0 [ 65.884680][ T4134] __cancel_work_timer+0x3ec/0x548 [ 65.885910][ T4134] cancel_work_sync+0x24/0x38 [ 65.887069][ T4134] hci_request_cancel_all+0xcc/0x2d0 [ 65.888518][ T4134] hci_dev_do_close+0x54/0x1060 [ 65.889728][ T4134] hci_rfkill_set_block+0xdc/0x1d0 [ 65.890863][ T4134] rfkill_set_block+0x18c/0x37c [ 65.892009][ T4134] rfkill_fop_write+0x594/0x750 [ 65.893141][ T4134] vfs_write+0x280/0xb44 [ 65.894133][ T4134] ksys_write+0x15c/0x26c [ 65.895213][ T4134] __arm64_sys_write+0x7c/0x90 [ 65.896341][ T4134] invoke_syscall+0x98/0x2b8 [ 65.897328][ T4134] el0_svc_common+0x138/0x258 [ 65.898380][ T4134] do_el0_svc+0x58/0x14c [ 65.899374][ T4134] el0_svc+0x7c/0x1f0 [ 65.900393][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 65.901636][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 65.902696][ T4134] [ 65.902696][ T4134] other info that might help us debug this: [ 65.902696][ T4134] [ 65.904757][ T4134] Chain exists of: [ 65.904757][ T4134] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.904757][ T4134] [ 65.908376][ T4134] Possible unsafe locking scenario: [ 65.908376][ T4134] [ 65.910012][ T4134] CPU0 CPU1 [ 65.911282][ T4134] ---- ---- [ 65.912391][ T4134] lock(rfkill_global_mutex); [ 65.913385][ T4134] lock(&data->open_mutex); [ 65.914907][ T4134] lock(rfkill_global_mutex); [ 65.916357][ T4134] lock((work_completion)(&hdev->bg_scan_update)); [ 65.917716][ T4134] [ 65.917716][ T4134] *** DEADLOCK *** [ 65.917716][ T4134] [ 65.919644][ T4134] 1 lock held by syz.0.15/4134: [ 65.920718][ T4134] #0: ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.922773][ T4134] [ 65.922773][ T4134] stack backtrace: [ 65.924073][ T4134] CPU: 1 PID: 4134 Comm: syz.0.15 Not tainted 5.15.169-syzkaller #0 [ 65.925729][ T4134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 65.927902][ T4134] Call trace: [ 65.928652][ T4134] dump_backtrace+0x0/0x530 [ 65.929678][ T4134] show_stack+0x2c/0x3c [ 65.930595][ T4134] dump_stack_lvl+0x108/0x170 [ 65.931615][ T4134] dump_stack+0x1c/0x58 [ 65.932531][ T4134] print_circular_bug+0x150/0x1b8 [ 65.933536][ T4134] check_noncircular+0x2cc/0x378 [ 65.934662][ T4134] __lock_acquire+0x32d4/0x7638 [ 65.935729][ T4134] lock_acquire+0x240/0x77c [ 65.936671][ T4134] __flush_work+0xf8/0x1c0 [ 65.937653][ T4134] __cancel_work_timer+0x3ec/0x548 [ 65.938809][ T4134] cancel_work_sync+0x24/0x38 [ 65.939752][ T4134] hci_request_cancel_all+0xcc/0x2d0 [ 65.940842][ T4134] hci_dev_do_close+0x54/0x1060 [ 65.941963][ T4134] hci_rfkill_set_block+0xdc/0x1d0 [ 65.943093][ T4134] rfkill_set_block+0x18c/0x37c [ 65.944193][ T4134] rfkill_fop_write+0x594/0x750 [ 65.945240][ T4134] vfs_write+0x280/0xb44 [ 65.946161][ T4134] ksys_write+0x15c/0x26c [ 65.947051][ T4134] __arm64_sys_write+0x7c/0x90 [ 65.948137][ T4134] invoke_syscall+0x98/0x2b8 [ 65.949133][ T4134] el0_svc_common+0x138/0x258 [ 65.950127][ T4134] do_el0_svc+0x58/0x14c [ 65.950950][ T4134] el0_svc+0x7c/0x1f0 [ 65.951757][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 65.952909][ T4134] el0t_64_sync+0x1a0/0x1a4