Warning: Permanently added '10.128.0.143' (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 [ 48.229663][ T4026] cgroup: Unknown subsys name 'net' [ 48.480885][ T4026] cgroup: Unknown subsys name 'rlimit' [ 48.786953][ T4026] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 61.461986][ T4048] chnl_net:caif_netlink_parms(): no params data found [ 61.506621][ T4048] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.508673][ T4048] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.511285][ T4048] device bridge_slave_0 entered promiscuous mode [ 61.516321][ T4048] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.518397][ T4048] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.520938][ T4048] device bridge_slave_1 entered promiscuous mode [ 61.538084][ T4048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.542455][ T4048] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.561271][ T4048] team0: Port device team_slave_0 added [ 61.564600][ T4048] team0: Port device team_slave_1 added [ 61.579289][ T4048] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.581106][ T4048] 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. [ 61.588003][ T4048] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.592677][ T4048] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.594941][ T4048] 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. [ 61.601506][ T4048] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.677325][ T4048] device hsr_slave_0 entered promiscuous mode [ 61.724515][ T4048] device hsr_slave_1 entered promiscuous mode [ 61.851227][ T4048] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.900223][ T4048] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.946324][ T4048] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.989603][ T4048] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.079416][ T4048] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.081529][ T4048] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.084125][ T4048] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.085978][ T4048] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.136811][ T4048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.148680][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.153009][ T517] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.159657][ T517] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.169237][ T4048] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.177358][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.180342][ T517] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.182264][ T517] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.198502][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.201692][ T517] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.203519][ T517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.216221][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.219408][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.231874][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.236018][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.238785][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.242230][ T4048] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.319167][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.321313][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.331614][ T4048] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.346904][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.349611][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.366520][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.369683][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.376648][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.379232][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.382322][ T4048] device veth0_vlan entered promiscuous mode [ 62.391641][ T4048] device veth1_vlan entered promiscuous mode [ 62.408221][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.410880][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.413716][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.418890][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.424464][ T4048] device veth0_macvtap entered promiscuous mode [ 62.429854][ T4048] device veth1_macvtap entered promiscuous mode [ 62.441338][ T4048] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.443451][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.449853][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.452404][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.456763][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.462972][ T4048] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.468763][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.471502][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.476501][ T4048] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.478877][ T4048] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.481215][ T4048] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.483449][ T4048] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.546620][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.850088][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.852370][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.856803][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.870526][ T517] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.872627][ T517] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.877417][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:04 executed programs: 0 [ 64.680898][ T4107] chnl_net:caif_netlink_parms(): no params data found [ 64.717373][ T4107] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.719309][ T4107] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.721818][ T4107] device bridge_slave_0 entered promiscuous mode [ 64.726700][ T4107] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.728728][ T4107] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.731566][ T4107] device bridge_slave_1 entered promiscuous mode [ 64.747840][ T4107] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.752417][ T4107] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.769361][ T4107] team0: Port device team_slave_0 added [ 64.772952][ T4107] team0: Port device team_slave_1 added [ 64.787841][ T4107] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.789632][ T4107] 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. [ 64.796652][ T4107] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.801005][ T4107] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.802831][ T4107] 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. [ 64.809947][ T4107] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.876269][ T4107] device hsr_slave_0 entered promiscuous mode [ 64.924554][ T4107] device hsr_slave_1 entered promiscuous mode [ 64.964252][ T4107] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.966353][ T4107] Cannot create hsr debugfs directory [ 65.663252][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.617265][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 67.890478][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.942941][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.694093][ T4054] Bluetooth: hci0: command 0x041b tx timeout [ 68.842651][ T4107] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.866125][ T4107] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.896857][ T4107] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.946087][ T4107] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.047169][ T4107] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.058531][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.061100][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.065885][ T4107] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.072258][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.076165][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.078621][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.080393][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.083060][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.088612][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.091458][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.094954][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.096828][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.103380][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.146739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.152883][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.156838][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.159700][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.170285][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.173210][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.179302][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.181982][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.188836][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.191618][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.196420][ T4107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.271522][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.273516][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.282991][ T4107] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.296923][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.300014][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.311217][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.313892][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.318308][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.320792][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.327343][ T4107] device veth0_vlan entered promiscuous mode [ 69.335599][ T4107] device veth1_vlan entered promiscuous mode [ 69.350646][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.353713][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.357442][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.360284][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.366895][ T4107] device veth0_macvtap entered promiscuous mode [ 69.371747][ T4107] device veth1_macvtap entered promiscuous mode [ 69.383155][ T4107] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.387614][ T4107] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.391405][ T4107] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.393495][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.397006][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.399566][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.402330][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.407277][ T4107] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.410282][ T4107] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.414532][ T4107] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.441669][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.444830][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.450211][ T4107] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.452511][ T4107] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.455116][ T4107] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.457418][ T4107] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.500089][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.502455][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.505742][ T517] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.522353][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.525644][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.528548][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.667584][ T2057] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.669480][ T2057] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.729692][ T4160] [ 69.730435][ T4160] ====================================================== [ 69.732218][ T4160] WARNING: possible circular locking dependency detected [ 69.733962][ T4160] 5.15.178-syzkaller #0 Not tainted [ 69.735261][ T4160] ------------------------------------------------------ [ 69.737037][ T4160] syz.0.16/4160 is trying to acquire lock: [ 69.738479][ T4160] ffff0000d6164c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 69.741358][ T4160] [ 69.741358][ T4160] but task is already holding lock: [ 69.743308][ T4160] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 69.745746][ T4160] [ 69.745746][ T4160] which lock already depends on the new lock. [ 69.745746][ T4160] [ 69.748414][ T4160] [ 69.748414][ T4160] the existing dependency chain (in reverse order) is: [ 69.750713][ T4160] [ 69.750713][ T4160] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 69.752817][ T4160] __mutex_lock_common+0x194/0x2154 [ 69.754318][ T4160] mutex_lock_nested+0xa4/0xf8 [ 69.755665][ T4160] rfkill_register+0x44/0x7a4 [ 69.757090][ T4160] hci_register_dev+0x3e0/0x880 [ 69.758497][ T4160] vhci_create_device+0x2c4/0x568 [ 69.759955][ T4160] vhci_write+0x318/0x3b8 [ 69.761183][ T4160] vfs_write+0x884/0xb44 [ 69.762399][ T4160] ksys_write+0x15c/0x26c [ 69.763649][ T4160] __arm64_sys_write+0x7c/0x90 [ 69.765023][ T4160] invoke_syscall+0x98/0x2b8 [ 69.766369][ T4160] el0_svc_common+0x138/0x258 [ 69.767717][ T4160] do_el0_svc+0x58/0x14c [ 69.769044][ T4160] el0_svc+0x7c/0x1f0 [ 69.770230][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 69.771600][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 69.772867][ T4160] [ 69.772867][ T4160] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 69.774883][ T4160] __mutex_lock_common+0x194/0x2154 [ 69.776393][ T4160] mutex_lock_nested+0xa4/0xf8 [ 69.777795][ T4160] vhci_send_frame+0x8c/0x10c [ 69.779162][ T4160] hci_send_frame+0x194/0x2f0 [ 69.780567][ T4160] hci_tx_work+0x9ac/0x16cc [ 69.781889][ T4160] process_one_work+0x790/0x11b8 [ 69.783389][ T4160] worker_thread+0x910/0x1034 [ 69.784748][ T4160] kthread+0x37c/0x45c [ 69.785910][ T4160] ret_from_fork+0x10/0x20 [ 69.787198][ T4160] [ 69.787198][ T4160] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 69.789636][ T4160] __flush_work+0xf8/0x1c0 [ 69.790876][ T4160] flush_work+0x24/0x38 [ 69.792140][ T4160] hci_dev_do_close+0x16c/0x1060 [ 69.793542][ T4160] hci_unregister_dev+0x248/0x4d4 [ 69.794987][ T4160] vhci_release+0x74/0xc4 [ 69.796282][ T4160] __fput+0x1c4/0x800 [ 69.797512][ T4160] ____fput+0x20/0x30 [ 69.798708][ T4160] task_work_run+0x130/0x1e4 [ 69.800015][ T4160] do_exit+0x670/0x20bc [ 69.801272][ T4160] do_group_exit+0x110/0x268 [ 69.802590][ T4160] get_signal+0x634/0x1550 [ 69.803903][ T4160] do_notify_resume+0x3d0/0x32b8 [ 69.805318][ T4160] el0_svc+0xfc/0x1f0 [ 69.806521][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 69.807958][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 69.809226][ T4160] [ 69.809226][ T4160] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 69.811250][ T4160] __mutex_lock_common+0x194/0x2154 [ 69.812740][ T4160] mutex_lock_nested+0xa4/0xf8 [ 69.814122][ T4160] bg_scan_update+0x9c/0x470 [ 69.815450][ T4160] process_one_work+0x790/0x11b8 [ 69.816895][ T4160] worker_thread+0x910/0x1034 [ 69.818236][ T4160] kthread+0x37c/0x45c [ 69.819539][ T4160] ret_from_fork+0x10/0x20 [ 69.820843][ T4160] [ 69.820843][ T4160] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 69.823337][ T4160] __lock_acquire+0x32d4/0x7638 [ 69.824744][ T4160] lock_acquire+0x240/0x77c [ 69.826036][ T4160] __flush_work+0xf8/0x1c0 [ 69.827329][ T4160] __cancel_work_timer+0x3ec/0x548 [ 69.828768][ T4160] cancel_work_sync+0x24/0x38 [ 69.830106][ T4160] hci_request_cancel_all+0xcc/0x2d0 [ 69.831574][ T4160] hci_dev_do_close+0x54/0x1060 [ 69.832929][ T4160] hci_rfkill_set_block+0xdc/0x1d0 [ 69.834359][ T4160] rfkill_set_block+0x18c/0x37c [ 69.835780][ T4160] rfkill_fop_write+0x594/0x750 [ 69.837158][ T4160] vfs_write+0x280/0xb44 [ 69.838408][ T4160] ksys_write+0x15c/0x26c [ 69.839660][ T4160] __arm64_sys_write+0x7c/0x90 [ 69.841098][ T4160] invoke_syscall+0x98/0x2b8 [ 69.842472][ T4160] el0_svc_common+0x138/0x258 [ 69.843849][ T4160] do_el0_svc+0x58/0x14c [ 69.845071][ T4160] el0_svc+0x7c/0x1f0 [ 69.846235][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 69.847664][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 69.848896][ T4160] [ 69.848896][ T4160] other info that might help us debug this: [ 69.848896][ T4160] [ 69.851633][ T4160] Chain exists of: [ 69.851633][ T4160] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 69.851633][ T4160] [ 69.855674][ T4160] Possible unsafe locking scenario: [ 69.855674][ T4160] [ 69.857595][ T4160] CPU0 CPU1 [ 69.858978][ T4160] ---- ---- [ 69.860327][ T4160] lock(rfkill_global_mutex); [ 69.861550][ T4160] lock(&data->open_mutex); [ 69.863434][ T4160] lock(rfkill_global_mutex); [ 69.865313][ T4160] lock((work_completion)(&hdev->bg_scan_update)); [ 69.866966][ T4160] [ 69.866966][ T4160] *** DEADLOCK *** [ 69.866966][ T4160] [ 69.868946][ T4160] 1 lock held by syz.0.16/4160: [ 69.870208][ T4160] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 69.872744][ T4160] [ 69.872744][ T4160] stack backtrace: [ 69.874217][ T4160] CPU: 0 PID: 4160 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 69.876182][ T4160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 69.878838][ T4160] Call trace: [ 69.879712][ T4160] dump_backtrace+0x0/0x530 [ 69.880916][ T4160] show_stack+0x2c/0x3c [ 69.881918][ T4160] dump_stack_lvl+0x108/0x170 [ 69.883086][ T4160] dump_stack+0x1c/0x58 [ 69.884188][ T4160] print_circular_bug+0x150/0x1b8 [ 69.885482][ T4160] check_noncircular+0x2cc/0x378 [ 69.886811][ T4160] __lock_acquire+0x32d4/0x7638 [ 69.888109][ T4160] lock_acquire+0x240/0x77c [ 69.889297][ T4160] __flush_work+0xf8/0x1c0 [ 69.890452][ T4160] __cancel_work_timer+0x3ec/0x548 [ 69.891827][ T4160] cancel_work_sync+0x24/0x38 [ 69.893114][ T4160] hci_request_cancel_all+0xcc/0x2d0 [ 69.894571][ T4160] hci_dev_do_close+0x54/0x1060 [ 69.895868][ T4160] hci_rfkill_set_block+0xdc/0x1d0 [ 69.897232][ T4160] rfkill_set_block+0x18c/0x37c [ 69.898488][ T4160] rfkill_fop_write+0x594/0x750 [ 69.899676][ T4160] vfs_write+0x280/0xb44 [ 69.900676][ T4160] ksys_write+0x15c/0x26c [ 69.901751][ T4160] __arm64_sys_write+0x7c/0x90 [ 69.902983][ T4160] invoke_syscall+0x98/0x2b8 [ 69.904132][ T4160] el0_svc_common+0x138/0x258 [ 69.905325][ T4160] do_el0_svc+0x58/0x14c [ 69.906405][ T4160] el0_svc+0x7c/0x1f0 [ 69.907445][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 69.908734][ T4160] el0t_64_sync+0x1a0/0x1a4