Warning: Permanently added '10.128.0.228' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 49.172944][ T4022] cgroup: Unknown subsys name 'net' [ 49.463885][ T4022] cgroup: Unknown subsys name 'rlimit' [ 49.781776][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.148860][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.151144][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.161391][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.174112][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.176390][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.180501][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.880486][ T4063] chnl_net:caif_netlink_parms(): no params data found [ 57.923896][ T4063] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.925898][ T4063] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.928829][ T4063] device bridge_slave_0 entered promiscuous mode [ 57.933586][ T4063] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.935546][ T4063] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.938520][ T4063] device bridge_slave_1 entered promiscuous mode [ 57.955083][ T4063] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.959678][ T4063] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.978538][ T4063] team0: Port device team_slave_0 added [ 57.982259][ T4063] team0: Port device team_slave_1 added [ 57.996727][ T4063] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.998781][ T4063] 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. [ 58.005667][ T4063] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.010987][ T4063] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.012862][ T4063] 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. [ 58.020166][ T4063] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.089878][ T4063] device hsr_slave_0 entered promiscuous mode [ 58.137884][ T4063] device hsr_slave_1 entered promiscuous mode [ 58.275901][ T4063] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.331803][ T4063] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.400479][ T4063] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.471739][ T4063] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.576813][ T4063] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.585995][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.591751][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.597462][ T4063] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.603142][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.605897][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.611927][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.613947][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.616825][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.624916][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.630851][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.633758][ T537] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.635613][ T537] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.647420][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.653671][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.661706][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.669999][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.672886][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.680641][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.683622][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.691376][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.694091][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.699369][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.702200][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.707615][ T4063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.781436][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.783685][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.792806][ T4063] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.805596][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.821342][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.824666][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.829609][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.833869][ T4063] device veth0_vlan entered promiscuous mode [ 58.842253][ T4063] device veth1_vlan entered promiscuous mode [ 58.857235][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.860383][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.863026][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.867432][ T4063] device veth0_macvtap entered promiscuous mode [ 58.873516][ T4063] device veth1_macvtap entered promiscuous mode [ 58.886981][ T4063] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.890170][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.893108][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.895728][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.905040][ T4063] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.906998][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.910089][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.915189][ T4063] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.917334][ T4063] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.921557][ T4063] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.923884][ T4063] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.737365][ T4108] chnl_net:caif_netlink_parms(): no params data found [ 59.778952][ T4108] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.780940][ T4108] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.783546][ T4108] device bridge_slave_0 entered promiscuous mode [ 59.787282][ T4108] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.789569][ T4108] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.792098][ T4108] device bridge_slave_1 entered promiscuous mode [ 59.808292][ T4108] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.816623][ T4108] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.855919][ T4108] team0: Port device team_slave_0 added [ 59.859374][ T4108] team0: Port device team_slave_1 added [ 59.873183][ T4108] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.875081][ T4108] 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. [ 59.883086][ T4108] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.887428][ T4108] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.890472][ T4108] 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. [ 59.896745][ T4108] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.959793][ T4108] device hsr_slave_0 entered promiscuous mode [ 59.997942][ T4108] device hsr_slave_1 entered promiscuous mode [ 60.037763][ T4108] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.040056][ T4108] Cannot create hsr debugfs directory [ 60.109907][ T4108] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.728136][ T4116] Bluetooth: hci1: command 0x0409 tx timeout [ 62.615894][ T4108] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.807607][ T4083] Bluetooth: hci1: command 0x041b tx timeout [ 64.075027][ T4108] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.141201][ T4108] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.323416][ T4108] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.380237][ T4108] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.419754][ T4108] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.440601][ T4108] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.771210][ T4108] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.779234][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.782108][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.786624][ T4108] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.791987][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.794815][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.799028][ T537] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.801078][ T537] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.803934][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.825054][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.828085][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.830679][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.832634][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.834965][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.841387][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.844380][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.851471][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.854335][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.861006][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.869649][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.875350][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.881374][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.886712][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.890510][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.895241][ T4108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.971452][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.973767][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.981465][ T4108] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.995381][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.998726][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.011452][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.014197][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.016878][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.020620][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.025511][ T4108] device veth0_vlan entered promiscuous mode [ 65.033463][ T4108] device veth1_vlan entered promiscuous mode [ 65.050346][ T4108] device veth0_macvtap entered promiscuous mode [ 65.052723][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.055299][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.058774][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.061511][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.064207][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.069308][ T4108] device veth1_macvtap entered promiscuous mode [ 65.080029][ T4108] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.082780][ T4108] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.086294][ T4108] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.090941][ T4108] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.093732][ T4108] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.097196][ T4108] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.100734][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.103138][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.106040][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.109537][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.112207][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.117069][ T4108] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.120544][ T4108] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.123026][ T4108] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.125350][ T4108] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.163584][ T537] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.165910][ T537] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.170009][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.182965][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.184987][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.188897][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.302777][ T4124] [ 65.303464][ T4124] ====================================================== [ 65.305301][ T4124] WARNING: possible circular locking dependency detected [ 65.307179][ T4124] 5.15.167-syzkaller #0 Not tainted [ 65.308625][ T4124] ------------------------------------------------------ [ 65.310543][ T4124] syz.0.15/4124 is trying to acquire lock: [ 65.312108][ T4124] ffff0000d51f8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 65.315198][ T4124] [ 65.315198][ T4124] but task is already holding lock: [ 65.317226][ T4124] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.319893][ T4124] [ 65.319893][ T4124] which lock already depends on the new lock. [ 65.319893][ T4124] [ 65.322608][ T4124] [ 65.322608][ T4124] the existing dependency chain (in reverse order) is: [ 65.324764][ T4124] [ 65.324764][ T4124] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.326821][ T4124] __mutex_lock_common+0x194/0x2154 [ 65.328341][ T4124] mutex_lock_nested+0xa4/0xf8 [ 65.329590][ T4124] rfkill_register+0x44/0x7a4 [ 65.330775][ T4124] hci_register_dev+0x3e0/0x880 [ 65.332082][ T4124] vhci_create_device+0x2c4/0x568 [ 65.333583][ T4124] vhci_write+0x318/0x3b8 [ 65.334881][ T4124] vfs_write+0x884/0xb44 [ 65.336081][ T4124] ksys_write+0x15c/0x26c [ 65.337411][ T4124] __arm64_sys_write+0x7c/0x90 [ 65.338766][ T4124] invoke_syscall+0x98/0x2b8 [ 65.340042][ T4124] el0_svc_common+0x138/0x258 [ 65.341405][ T4124] do_el0_svc+0x58/0x14c [ 65.342539][ T4124] el0_svc+0x7c/0x1f0 [ 65.343701][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 65.345102][ T4124] el0t_64_sync+0x1a0/0x1a4 [ 65.346399][ T4124] [ 65.346399][ T4124] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.348369][ T4124] __mutex_lock_common+0x194/0x2154 [ 65.349958][ T4124] mutex_lock_nested+0xa4/0xf8 [ 65.351315][ T4124] vhci_send_frame+0x8c/0x10c [ 65.352688][ T4124] hci_send_frame+0x194/0x2f0 [ 65.354083][ T4124] hci_tx_work+0x9ac/0x16cc [ 65.355274][ T4124] process_one_work+0x790/0x11b8 [ 65.356642][ T4124] worker_thread+0x910/0x1034 [ 65.357869][ T4124] kthread+0x37c/0x45c [ 65.359022][ T4124] ret_from_fork+0x10/0x20 [ 65.360305][ T4124] [ 65.360305][ T4124] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.362383][ T4124] __flush_work+0xf8/0x1c0 [ 65.363233][ T4124] flush_work+0x24/0x38 [ 65.364024][ T4124] hci_dev_do_close+0x16c/0x1060 [ 65.364956][ T4124] hci_unregister_dev+0x248/0x4d4 [ 65.366440][ T4124] vhci_release+0x74/0xc4 [ 65.367710][ T4124] __fput+0x1c4/0x800 [ 65.368921][ T4124] ____fput+0x20/0x30 [ 65.369990][ T4124] task_work_run+0x130/0x1e4 [ 65.371131][ T4124] do_exit+0x670/0x20bc [ 65.372375][ T4124] do_group_exit+0x110/0x268 [ 65.373710][ T4124] get_signal+0x634/0x1550 [ 65.374963][ T4124] do_notify_resume+0x3d0/0x32b8 [ 65.376533][ T4124] el0_svc+0xfc/0x1f0 [ 65.377701][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 65.379044][ T4124] el0t_64_sync+0x1a0/0x1a4 [ 65.380291][ T4124] [ 65.380291][ T4124] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.382356][ T4124] __mutex_lock_common+0x194/0x2154 [ 65.383904][ T4124] mutex_lock_nested+0xa4/0xf8 [ 65.385232][ T4124] bg_scan_update+0x9c/0x470 [ 65.386462][ T4124] process_one_work+0x790/0x11b8 [ 65.387837][ T4124] worker_thread+0x910/0x1034 [ 65.389266][ T4124] kthread+0x37c/0x45c [ 65.390559][ T4124] ret_from_fork+0x10/0x20 [ 65.391874][ T4124] [ 65.391874][ T4124] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.394479][ T4124] __lock_acquire+0x32d4/0x7638 [ 65.395864][ T4124] lock_acquire+0x240/0x77c [ 65.397102][ T4124] __flush_work+0xf8/0x1c0 [ 65.398368][ T4124] __cancel_work_timer+0x3ec/0x548 [ 65.399858][ T4124] cancel_work_sync+0x24/0x38 [ 65.401063][ T4124] hci_request_cancel_all+0xcc/0x2d0 [ 65.402468][ T4124] hci_dev_do_close+0x54/0x1060 [ 65.403947][ T4124] hci_rfkill_set_block+0xdc/0x1d0 [ 65.405412][ T4124] rfkill_set_block+0x18c/0x37c [ 65.406876][ T4124] rfkill_fop_write+0x594/0x750 [ 65.408172][ T4124] do_iter_write+0x33c/0x66c [ 65.409492][ T4124] do_writev+0x220/0x3ec [ 65.410836][ T4124] __arm64_sys_writev+0x80/0x94 [ 65.412312][ T4124] invoke_syscall+0x98/0x2b8 [ 65.413597][ T4124] el0_svc_common+0x138/0x258 [ 65.415050][ T4124] do_el0_svc+0x58/0x14c [ 65.416337][ T4124] el0_svc+0x7c/0x1f0 [ 65.417532][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 65.418970][ T4124] el0t_64_sync+0x1a0/0x1a4 [ 65.420314][ T4124] [ 65.420314][ T4124] other info that might help us debug this: [ 65.420314][ T4124] [ 65.423095][ T4124] Chain exists of: [ 65.423095][ T4124] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.423095][ T4124] [ 65.427131][ T4124] Possible unsafe locking scenario: [ 65.427131][ T4124] [ 65.429018][ T4124] CPU0 CPU1 [ 65.430457][ T4124] ---- ---- [ 65.431948][ T4124] lock(rfkill_global_mutex); [ 65.433100][ T4124] lock(&data->open_mutex); [ 65.434867][ T4124] lock(rfkill_global_mutex); [ 65.436749][ T4124] lock((work_completion)(&hdev->bg_scan_update)); [ 65.438551][ T4124] [ 65.438551][ T4124] *** DEADLOCK *** [ 65.438551][ T4124] [ 65.440539][ T4124] 1 lock held by syz.0.15/4124: [ 65.441884][ T4124] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.444648][ T4124] [ 65.444648][ T4124] stack backtrace: [ 65.446315][ T4124] CPU: 1 PID: 4124 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 65.448417][ T4124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 65.451114][ T4124] Call trace: [ 65.452142][ T4124] dump_backtrace+0x0/0x530 [ 65.453316][ T4124] show_stack+0x2c/0x3c [ 65.454416][ T4124] dump_stack_lvl+0x108/0x170 [ 65.455569][ T4124] dump_stack+0x1c/0x58 [ 65.456673][ T4124] print_circular_bug+0x150/0x1b8 [ 65.457967][ T4124] check_noncircular+0x2cc/0x378 [ 65.459351][ T4124] __lock_acquire+0x32d4/0x7638 [ 65.460656][ T4124] lock_acquire+0x240/0x77c [ 65.461915][ T4124] __flush_work+0xf8/0x1c0 [ 65.462988][ T4124] __cancel_work_timer+0x3ec/0x548 [ 65.464349][ T4124] cancel_work_sync+0x24/0x38 [ 65.465594][ T4124] hci_request_cancel_all+0xcc/0x2d0 [ 65.466915][ T4124] hci_dev_do_close+0x54/0x1060 [ 65.468141][ T4124] hci_rfkill_set_block+0xdc/0x1d0 [ 65.469442][ T4124] rfkill_set_block+0x18c/0x37c [ 65.470685][ T4124] rfkill_fop_write+0x594/0x750 [ 65.472049][ T4124] do_iter_write+0x33c/0x66c [ 65.473326][ T4124] do_writev+0x220/0x3ec [ 65.474453][ T4124] __arm64_sys_writev+0x80/0x94 [ 65.475694][ T4124] invoke_syscall+0x98/0x2b8 [ 65.476909][ T4124] el0_svc_common+0x138/0x258 [ 65.478120][ T4124] do_el0_svc+0x58/0x14c [ 65.479157][ T4124] el0_svc+0x7c/0x1f0 [ 65.480269][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 65.481511][ T4124] el0t_64_sync+0x1a0/0x1a4