Warning: Permanently added '10.128.1.131' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.494224][ T4021] cgroup: Unknown subsys name 'net' [ 48.774868][ T4021] cgroup: Unknown subsys name 'rlimit' [ 49.127459][ T4021] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.400454][ T4037] chnl_net:caif_netlink_parms(): no params data found [ 55.445512][ T4037] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.447063][ T4037] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.449479][ T4037] device bridge_slave_0 entered promiscuous mode [ 55.453376][ T4037] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.454801][ T4037] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.456883][ T4037] device bridge_slave_1 entered promiscuous mode [ 55.481848][ T4037] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.485626][ T4037] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.506128][ T4037] team0: Port device team_slave_0 added [ 55.509305][ T4037] team0: Port device team_slave_1 added [ 55.521649][ T4037] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.523053][ T4037] 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. [ 55.527919][ T4037] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.531654][ T4037] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.533081][ T4037] 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. [ 55.538042][ T4037] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.599901][ T4037] device hsr_slave_0 entered promiscuous mode [ 55.657645][ T4037] device hsr_slave_1 entered promiscuous mode [ 55.809828][ T4037] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.862329][ T4037] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.903286][ T4037] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.942474][ T4037] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.008274][ T4037] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.009967][ T4037] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.011965][ T4037] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.013581][ T4037] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.060632][ T4037] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.070896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.074529][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.076954][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.080045][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.087795][ T4037] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.093016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.095123][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.096591][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.158287][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.160583][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.162086][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.167192][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.171289][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.178508][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.184055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.193845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.199978][ T4037] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.279143][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.280880][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.288612][ T4037] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.303463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.316262][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.321335][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.323477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.329321][ T4037] device veth0_vlan entered promiscuous mode [ 56.336037][ T4037] device veth1_vlan entered promiscuous mode [ 56.355855][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.358698][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.361018][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.367650][ T4037] device veth0_macvtap entered promiscuous mode [ 56.371935][ T4037] device veth1_macvtap entered promiscuous mode [ 56.380890][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.390609][ T4037] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.392545][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.394928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.401952][ T4037] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.403754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.407158][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.413893][ T4037] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.415971][ T4037] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.418756][ T4037] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.420608][ T4037] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.793241][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.795026][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.798694][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.814610][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.816374][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.820250][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.655570][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.884869][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.843736][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.916820][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:02 executed programs: 0 [ 63.030656][ T4151] chnl_net:caif_netlink_parms(): no params data found [ 63.071144][ T4151] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.072801][ T4151] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.075078][ T4151] device bridge_slave_0 entered promiscuous mode [ 63.079215][ T4151] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.080774][ T4151] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.083208][ T4151] device bridge_slave_1 entered promiscuous mode [ 63.102155][ T4151] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.106273][ T4151] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.129703][ T4151] team0: Port device team_slave_0 added [ 63.132607][ T4151] team0: Port device team_slave_1 added [ 63.158481][ T4151] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.159959][ T4151] 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. [ 63.164984][ T4151] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.169458][ T4151] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.171111][ T4151] 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. [ 63.176366][ T4151] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.239590][ T4151] device hsr_slave_0 entered promiscuous mode [ 63.267652][ T4151] device hsr_slave_1 entered promiscuous mode [ 63.317437][ T4151] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.319128][ T4151] Cannot create hsr debugfs directory [ 63.972118][ T4151] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.003773][ T4151] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.030853][ T4151] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.099458][ T4151] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.225053][ T4151] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.232842][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.235073][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.242438][ T4151] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.251860][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.254248][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.256384][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.257948][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.261120][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.263509][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.266353][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.268040][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.274465][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.323842][ T4151] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.326106][ T4151] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.332456][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.335203][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.338596][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.342288][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.344558][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.352729][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.355048][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.358387][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.360721][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.362878][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.365482][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.371297][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.456338][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.458297][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.466638][ T4151] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.482113][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.484502][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.497413][ T4151] device veth0_vlan entered promiscuous mode [ 64.500574][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.502996][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.506337][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.511145][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.516947][ T4151] device veth1_vlan entered promiscuous mode [ 64.562682][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.564994][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.567123][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.570253][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.574176][ T4151] device veth0_macvtap entered promiscuous mode [ 64.580129][ T4151] device veth1_macvtap entered promiscuous mode [ 64.594540][ T4151] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.596842][ T4151] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.603006][ T4151] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.605090][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.609073][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.611715][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.616130][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.624602][ T4151] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.626877][ T4151] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.632599][ T4151] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.634676][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.637135][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.645114][ T4151] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.647093][ T4151] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.651214][ T4151] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.653059][ T4151] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.710879][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.712613][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.715142][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.735118][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.736823][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.740108][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.957851][ T4248] [ 64.958421][ T4248] ====================================================== [ 64.959859][ T4248] WARNING: possible circular locking dependency detected [ 64.961373][ T4248] 5.15.173-syzkaller #0 Not tainted [ 64.962452][ T4248] ------------------------------------------------------ [ 64.963870][ T4248] syz.0.15/4248 is trying to acquire lock: [ 64.965065][ T4248] ffff0000d7d70c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.967478][ T4248] [ 64.967478][ T4248] but task is already holding lock: [ 64.969066][ T4248] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.971254][ T4248] [ 64.971254][ T4248] which lock already depends on the new lock. [ 64.971254][ T4248] [ 64.973429][ T4248] [ 64.973429][ T4248] the existing dependency chain (in reverse order) is: [ 64.975593][ T4248] [ 64.975593][ T4248] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.977216][ T4248] __mutex_lock_common+0x194/0x2154 [ 64.978414][ T4248] mutex_lock_nested+0xa4/0xf8 [ 64.979546][ T4248] rfkill_register+0x44/0x7a4 [ 64.980568][ T4248] hci_register_dev+0x3e0/0x880 [ 64.981804][ T4248] vhci_create_device+0x2c4/0x568 [ 64.983119][ T4248] vhci_write+0x318/0x3b8 [ 64.984110][ T4248] vfs_write+0x884/0xb44 [ 64.985151][ T4248] ksys_write+0x15c/0x26c [ 64.986204][ T4248] __arm64_sys_write+0x7c/0x90 [ 64.987247][ T4248] invoke_syscall+0x98/0x2b8 [ 64.988342][ T4248] el0_svc_common+0x138/0x258 [ 64.989438][ T4248] do_el0_svc+0x58/0x14c [ 64.990431][ T4248] el0_svc+0x7c/0x1f0 [ 64.991399][ T4248] el0t_64_sync_handler+0x84/0xe4 [ 64.992557][ T4248] el0t_64_sync+0x1a0/0x1a4 [ 64.993625][ T4248] [ 64.993625][ T4248] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.995402][ T4248] __mutex_lock_common+0x194/0x2154 [ 64.996664][ T4248] mutex_lock_nested+0xa4/0xf8 [ 64.997766][ T4248] vhci_send_frame+0x8c/0x10c [ 64.998903][ T4248] hci_send_frame+0x194/0x2f0 [ 65.000018][ T4248] hci_tx_work+0x9ac/0x16cc [ 65.001073][ T4248] process_one_work+0x790/0x11b8 [ 65.002253][ T4248] worker_thread+0x910/0x1034 [ 65.003347][ T4248] kthread+0x37c/0x45c [ 65.004259][ T4248] ret_from_fork+0x10/0x20 [ 65.005360][ T4248] [ 65.005360][ T4248] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.007283][ T4248] __flush_work+0xf8/0x1c0 [ 65.008417][ T4248] flush_work+0x24/0x38 [ 65.009413][ T4248] hci_dev_do_close+0x16c/0x1060 [ 65.010600][ T4248] hci_unregister_dev+0x248/0x4d4 [ 65.011798][ T4248] vhci_release+0x74/0xc4 [ 65.012771][ T4248] __fput+0x1c4/0x800 [ 65.013754][ T4248] ____fput+0x20/0x30 [ 65.014686][ T4248] task_work_run+0x130/0x1e4 [ 65.015854][ T4248] do_exit+0x670/0x20bc [ 65.016813][ T4248] do_group_exit+0x110/0x268 [ 65.018120][ T4248] get_signal+0x634/0x1550 [ 65.019127][ T4248] do_notify_resume+0x3d0/0x32b8 [ 65.020395][ T4248] el0_svc+0xfc/0x1f0 [ 65.021318][ T4248] el0t_64_sync_handler+0x84/0xe4 [ 65.022485][ T4248] el0t_64_sync+0x1a0/0x1a4 [ 65.023562][ T4248] [ 65.023562][ T4248] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.025139][ T4248] __mutex_lock_common+0x194/0x2154 [ 65.026440][ T4248] mutex_lock_nested+0xa4/0xf8 [ 65.027559][ T4248] bg_scan_update+0x9c/0x470 [ 65.028707][ T4248] process_one_work+0x790/0x11b8 [ 65.029894][ T4248] worker_thread+0x910/0x1034 [ 65.031137][ T4248] kthread+0x37c/0x45c [ 65.032070][ T4248] ret_from_fork+0x10/0x20 [ 65.033214][ T4248] [ 65.033214][ T4248] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.035057][ T4248] __lock_acquire+0x32d4/0x7638 [ 65.035956][ T4248] lock_acquire+0x240/0x77c [ 65.036797][ T4248] __flush_work+0xf8/0x1c0 [ 65.037655][ T4248] __cancel_work_timer+0x3ec/0x548 [ 65.038623][ T4248] cancel_work_sync+0x24/0x38 [ 65.039493][ T4248] hci_request_cancel_all+0xcc/0x2d0 [ 65.040656][ T4248] hci_dev_do_close+0x54/0x1060 [ 65.041788][ T4248] hci_rfkill_set_block+0xdc/0x1d0 [ 65.042975][ T4248] rfkill_set_block+0x18c/0x37c [ 65.044069][ T4248] rfkill_fop_write+0x594/0x750 [ 65.045171][ T4248] vfs_write+0x280/0xb44 [ 65.046106][ T4248] ksys_write+0x15c/0x26c [ 65.047129][ T4248] __arm64_sys_write+0x7c/0x90 [ 65.048225][ T4248] invoke_syscall+0x98/0x2b8 [ 65.049232][ T4248] el0_svc_common+0x138/0x258 [ 65.050296][ T4248] do_el0_svc+0x58/0x14c [ 65.051403][ T4248] el0_svc+0x7c/0x1f0 [ 65.052322][ T4248] el0t_64_sync_handler+0x84/0xe4 [ 65.053419][ T4248] el0t_64_sync+0x1a0/0x1a4 [ 65.054549][ T4248] [ 65.054549][ T4248] other info that might help us debug this: [ 65.054549][ T4248] [ 65.056754][ T4248] Chain exists of: [ 65.056754][ T4248] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.056754][ T4248] [ 65.060265][ T4248] Possible unsafe locking scenario: [ 65.060265][ T4248] [ 65.062009][ T4248] CPU0 CPU1 [ 65.063139][ T4248] ---- ---- [ 65.064272][ T4248] lock(rfkill_global_mutex); [ 65.065248][ T4248] lock(&data->open_mutex); [ 65.066776][ T4248] lock(rfkill_global_mutex); [ 65.068352][ T4248] lock((work_completion)(&hdev->bg_scan_update)); [ 65.069706][ T4248] [ 65.069706][ T4248] *** DEADLOCK *** [ 65.069706][ T4248] [ 65.071428][ T4248] 1 lock held by syz.0.15/4248: [ 65.072475][ T4248] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.074594][ T4248] [ 65.074594][ T4248] stack backtrace: [ 65.075944][ T4248] CPU: 0 PID: 4248 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 65.077679][ T4248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 65.079750][ T4248] Call trace: [ 65.080461][ T4248] dump_backtrace+0x0/0x530 [ 65.081440][ T4248] show_stack+0x2c/0x3c [ 65.082416][ T4248] dump_stack_lvl+0x108/0x170 [ 65.083439][ T4248] dump_stack+0x1c/0x58 [ 65.084268][ T4248] print_circular_bug+0x150/0x1b8 [ 65.085379][ T4248] check_noncircular+0x2cc/0x378 [ 65.086377][ T4248] __lock_acquire+0x32d4/0x7638 [ 65.087373][ T4248] lock_acquire+0x240/0x77c [ 65.088349][ T4248] __flush_work+0xf8/0x1c0 [ 65.089238][ T4248] __cancel_work_timer+0x3ec/0x548 [ 65.090393][ T4248] cancel_work_sync+0x24/0x38 [ 65.091466][ T4248] hci_request_cancel_all+0xcc/0x2d0 [ 65.092549][ T4248] hci_dev_do_close+0x54/0x1060 [ 65.093591][ T4248] hci_rfkill_set_block+0xdc/0x1d0 [ 65.094712][ T4248] rfkill_set_block+0x18c/0x37c [ 65.095735][ T4248] rfkill_fop_write+0x594/0x750 [ 65.096781][ T4248] vfs_write+0x280/0xb44 [ 65.097701][ T4248] ksys_write+0x15c/0x26c [ 65.098611][ T4248] __arm64_sys_write+0x7c/0x90 [ 65.099664][ T4248] invoke_syscall+0x98/0x2b8 [ 65.100696][ T4248] el0_svc_common+0x138/0x258 [ 65.101676][ T4248] do_el0_svc+0x58/0x14c [ 65.102512][ T4248] el0_svc+0x7c/0x1f0 [ 65.103337][ T4248] el0t_64_sync_handler+0x84/0xe4 [ 65.104431][ T4248] el0t_64_sync+0x1a0/0x1a4 [ 65.108535][ T13] Bluetooth: hci0: command 0x0409 tx timeout