Warning: Permanently added '10.128.0.217' (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 [ 48.650860][ T4026] cgroup: Unknown subsys name 'net' [ 48.861357][ T4026] cgroup: Unknown subsys name 'rlimit' [ 49.202918][ T4026] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 61.643041][ T4052] chnl_net:caif_netlink_parms(): no params data found [ 61.683462][ T4052] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.685821][ T4052] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.688610][ T4052] device bridge_slave_0 entered promiscuous mode [ 61.693104][ T4052] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.695187][ T4052] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.697828][ T4052] device bridge_slave_1 entered promiscuous mode [ 61.719056][ T4052] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.723400][ T4052] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.742004][ T4052] team0: Port device team_slave_0 added [ 61.745727][ T4052] team0: Port device team_slave_1 added [ 61.759814][ T4052] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.761786][ T4052] 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. [ 61.769181][ T4052] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.777246][ T4052] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.779142][ T4052] 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. [ 61.786211][ T4052] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.846702][ T4052] device hsr_slave_0 entered promiscuous mode [ 61.894959][ T4052] device hsr_slave_1 entered promiscuous mode [ 62.016481][ T4052] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.077502][ T4052] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.185739][ T4052] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.226885][ T4052] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.303214][ T4052] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.305435][ T4052] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.307828][ T4052] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.309751][ T4052] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.361104][ T4052] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.369925][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.374260][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.380917][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.389714][ T4052] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.397551][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.400187][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.402176][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.415077][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.419276][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.421302][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.438284][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.441549][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.444200][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.448142][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.450852][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.455266][ T4052] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.538512][ T4052] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.540706][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.542856][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.558369][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.571854][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.575142][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.578302][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.580864][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.586219][ T4052] device veth0_vlan entered promiscuous mode [ 62.592720][ T4052] device veth1_vlan entered promiscuous mode [ 62.609391][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.611895][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.616276][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.619450][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.624284][ T4052] device veth0_macvtap entered promiscuous mode [ 62.630698][ T4052] device veth1_macvtap entered promiscuous mode [ 62.643072][ T4052] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.647090][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.649797][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.652514][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.657242][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.662886][ T4052] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.667634][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.670325][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.676843][ T4052] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.679272][ T4052] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.681578][ T4052] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.683835][ T4052] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.611463][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.652851][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.660732][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.666830][ T493] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.670881][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.673062][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.676908][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.242486][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.490116][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.552448][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:09 executed programs: 0 [ 69.385241][ T4147] chnl_net:caif_netlink_parms(): no params data found [ 69.422637][ T4147] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.427271][ T4147] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.429983][ T4147] device bridge_slave_0 entered promiscuous mode [ 69.434835][ T4147] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.437043][ T4147] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.439590][ T4147] device bridge_slave_1 entered promiscuous mode [ 69.458300][ T4147] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.462894][ T4147] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.483002][ T4147] team0: Port device team_slave_0 added [ 69.489255][ T4147] team0: Port device team_slave_1 added [ 69.502202][ T4147] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.504053][ T4147] 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. [ 69.513897][ T4147] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.526776][ T4147] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.528689][ T4147] 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. [ 69.536792][ T4147] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.596453][ T4147] device hsr_slave_0 entered promiscuous mode [ 69.636522][ T2056] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.638461][ T2056] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.644865][ T4147] device hsr_slave_1 entered promiscuous mode [ 69.704645][ T4147] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.706873][ T4147] Cannot create hsr debugfs directory [ 70.271870][ T4147] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.337962][ T4147] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.377781][ T4147] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.420144][ T4147] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.520853][ T4147] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.557364][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.560119][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.565994][ T4147] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.575650][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.578766][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.581116][ T1600] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.582994][ T1600] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.592889][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.596291][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.598969][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.601435][ T1600] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.603236][ T1600] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.606314][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.643560][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.647054][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.651092][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.663402][ T4147] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.668994][ T4147] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.673059][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.676996][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.680223][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.683633][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.688047][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.690889][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.693658][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.723531][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.793021][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.797807][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.807461][ T4147] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.842391][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.846739][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.861618][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.864232][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.869806][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.872477][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.877501][ T4147] device veth0_vlan entered promiscuous mode [ 70.887432][ T4147] device veth1_vlan entered promiscuous mode [ 70.916361][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.918879][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.921454][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.925266][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.930556][ T4147] device veth0_macvtap entered promiscuous mode [ 70.936407][ T4147] device veth1_macvtap entered promiscuous mode [ 70.946611][ T4147] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.949625][ T4147] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.953245][ T4147] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.957838][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.960446][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.963000][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.966642][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.971392][ T4147] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.974111][ T4147] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.979021][ T4147] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.982138][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.985300][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.989960][ T4147] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.992371][ T4147] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.994962][ T4147] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.997399][ T4147] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.083558][ T1600] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.088394][ T1600] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.093271][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.110903][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.113111][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.117021][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.160977][ T4246] [ 71.161621][ T4246] ====================================================== [ 71.163482][ T4246] WARNING: possible circular locking dependency detected [ 71.165386][ T4246] 5.15.178-syzkaller #0 Not tainted [ 71.166785][ T4246] ------------------------------------------------------ [ 71.168689][ T4246] syz.0.16/4246 is trying to acquire lock: [ 71.170401][ T4246] ffff0000d6528c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 71.173518][ T4246] [ 71.173518][ T4246] but task is already holding lock: [ 71.175546][ T4246] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 71.178189][ T4246] [ 71.178189][ T4246] which lock already depends on the new lock. [ 71.178189][ T4246] [ 71.181032][ T4246] [ 71.181032][ T4246] the existing dependency chain (in reverse order) is: [ 71.183568][ T4246] [ 71.183568][ T4246] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 71.185835][ T4246] __mutex_lock_common+0x194/0x2154 [ 71.187380][ T4246] mutex_lock_nested+0xa4/0xf8 [ 71.188812][ T4246] rfkill_register+0x44/0x7a4 [ 71.190253][ T4246] hci_register_dev+0x3e0/0x880 [ 71.191707][ T4246] vhci_create_device+0x2c4/0x568 [ 71.193290][ T4246] vhci_write+0x318/0x3b8 [ 71.194602][ T4246] vfs_write+0x884/0xb44 [ 71.195946][ T4246] ksys_write+0x15c/0x26c [ 71.197369][ T4246] __arm64_sys_write+0x7c/0x90 [ 71.198874][ T4246] invoke_syscall+0x98/0x2b8 [ 71.200297][ T4246] el0_svc_common+0x138/0x258 [ 71.201757][ T4246] do_el0_svc+0x58/0x14c [ 71.203050][ T4246] el0_svc+0x7c/0x1f0 [ 71.204273][ T4246] el0t_64_sync_handler+0x84/0xe4 [ 71.205831][ T4246] el0t_64_sync+0x1a0/0x1a4 [ 71.207202][ T4246] [ 71.207202][ T4246] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 71.209355][ T4246] __mutex_lock_common+0x194/0x2154 [ 71.210853][ T4246] mutex_lock_nested+0xa4/0xf8 [ 71.212272][ T4246] vhci_send_frame+0x8c/0x10c [ 71.213696][ T4246] hci_send_frame+0x194/0x2f0 [ 71.215112][ T4246] hci_tx_work+0x9ac/0x16cc [ 71.216492][ T4246] process_one_work+0x790/0x11b8 [ 71.217890][ T4246] worker_thread+0x910/0x1034 [ 71.219253][ T4246] kthread+0x37c/0x45c [ 71.220542][ T4246] ret_from_fork+0x10/0x20 [ 71.221871][ T4246] [ 71.221871][ T4246] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 71.224418][ T4246] __flush_work+0xf8/0x1c0 [ 71.225780][ T4246] flush_work+0x24/0x38 [ 71.227026][ T4246] hci_dev_do_close+0x16c/0x1060 [ 71.228560][ T4246] hci_unregister_dev+0x248/0x4d4 [ 71.230025][ T4246] vhci_release+0x74/0xc4 [ 71.231367][ T4246] __fput+0x1c4/0x800 [ 71.232579][ T4246] ____fput+0x20/0x30 [ 71.233798][ T4246] task_work_run+0x130/0x1e4 [ 71.235164][ T4246] do_exit+0x670/0x20bc [ 71.236409][ T4246] do_group_exit+0x110/0x268 [ 71.237776][ T4246] get_signal+0x634/0x1550 [ 71.239149][ T4246] do_notify_resume+0x3d0/0x32b8 [ 71.240624][ T4246] el0_svc+0xfc/0x1f0 [ 71.241859][ T4246] el0t_64_sync_handler+0x84/0xe4 [ 71.243367][ T4246] el0t_64_sync+0x1a0/0x1a4 [ 71.244737][ T4246] [ 71.244737][ T4246] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 71.246773][ T4246] __mutex_lock_common+0x194/0x2154 [ 71.248340][ T4246] mutex_lock_nested+0xa4/0xf8 [ 71.249751][ T4246] bg_scan_update+0x9c/0x470 [ 71.251088][ T4246] process_one_work+0x790/0x11b8 [ 71.252515][ T4246] worker_thread+0x910/0x1034 [ 71.253797][ T4246] kthread+0x37c/0x45c [ 71.255040][ T4246] ret_from_fork+0x10/0x20 [ 71.256372][ T4246] [ 71.256372][ T4246] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 71.259160][ T4246] __lock_acquire+0x32d4/0x7638 [ 71.260555][ T4246] lock_acquire+0x240/0x77c [ 71.261936][ T4246] __flush_work+0xf8/0x1c0 [ 71.263339][ T4246] __cancel_work_timer+0x3ec/0x548 [ 71.264841][ T4246] cancel_work_sync+0x24/0x38 [ 71.266265][ T4246] hci_request_cancel_all+0xcc/0x2d0 [ 71.267936][ T4246] hci_dev_do_close+0x54/0x1060 [ 71.269325][ T4246] hci_rfkill_set_block+0xdc/0x1d0 [ 71.270809][ T4246] rfkill_set_block+0x18c/0x37c [ 71.272256][ T4246] rfkill_fop_write+0x594/0x750 [ 71.273727][ T4246] vfs_write+0x280/0xb44 [ 71.274938][ T4246] ksys_write+0x15c/0x26c [ 71.276285][ T4246] __arm64_sys_write+0x7c/0x90 [ 71.277790][ T4246] invoke_syscall+0x98/0x2b8 [ 71.279159][ T4246] el0_svc_common+0x138/0x258 [ 71.280633][ T4246] do_el0_svc+0x58/0x14c [ 71.281896][ T4246] el0_svc+0x7c/0x1f0 [ 71.283070][ T4246] el0t_64_sync_handler+0x84/0xe4 [ 71.284666][ T4246] el0t_64_sync+0x1a0/0x1a4 [ 71.286048][ T4246] [ 71.286048][ T4246] other info that might help us debug this: [ 71.286048][ T4246] [ 71.288842][ T4246] Chain exists of: [ 71.288842][ T4246] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 71.288842][ T4246] [ 71.293217][ T4246] Possible unsafe locking scenario: [ 71.293217][ T4246] [ 71.295258][ T4246] CPU0 CPU1 [ 71.296747][ T4246] ---- ---- [ 71.298189][ T4246] lock(rfkill_global_mutex); [ 71.299481][ T4246] lock(&data->open_mutex); [ 71.301442][ T4246] lock(rfkill_global_mutex); [ 71.303310][ T4246] lock((work_completion)(&hdev->bg_scan_update)); [ 71.305102][ T4246] [ 71.305102][ T4246] *** DEADLOCK *** [ 71.305102][ T4246] [ 71.307296][ T4246] 1 lock held by syz.0.16/4246: [ 71.308574][ T4246] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 71.311190][ T4246] [ 71.311190][ T4246] stack backtrace: [ 71.312726][ T4246] CPU: 1 PID: 4246 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 71.314789][ T4246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 71.317616][ T4246] Call trace: [ 71.318484][ T4246] dump_backtrace+0x0/0x530 [ 71.319752][ T4246] show_stack+0x2c/0x3c [ 71.320903][ T4246] dump_stack_lvl+0x108/0x170 [ 71.322076][ T4246] dump_stack+0x1c/0x58 [ 71.323230][ T4246] print_circular_bug+0x150/0x1b8 [ 71.324604][ T4246] check_noncircular+0x2cc/0x378 [ 71.325958][ T4246] __lock_acquire+0x32d4/0x7638 [ 71.327212][ T4246] lock_acquire+0x240/0x77c [ 71.328385][ T4246] __flush_work+0xf8/0x1c0 [ 71.329581][ T4246] __cancel_work_timer+0x3ec/0x548 [ 71.330988][ T4246] cancel_work_sync+0x24/0x38 [ 71.332271][ T4246] hci_request_cancel_all+0xcc/0x2d0 [ 71.333644][ T4246] hci_dev_do_close+0x54/0x1060 [ 71.334940][ T4246] hci_rfkill_set_block+0xdc/0x1d0 [ 71.336343][ T4246] rfkill_set_block+0x18c/0x37c [ 71.337633][ T4246] rfkill_fop_write+0x594/0x750 [ 71.338998][ T4246] vfs_write+0x280/0xb44 [ 71.340192][ T4246] ksys_write+0x15c/0x26c [ 71.341367][ T4246] __arm64_sys_write+0x7c/0x90 [ 71.342689][ T4246] invoke_syscall+0x98/0x2b8 [ 71.343966][ T4246] el0_svc_common+0x138/0x258 [ 71.345239][ T4246] do_el0_svc+0x58/0x14c [ 71.346346][ T4246] el0_svc+0x7c/0x1f0 [ 71.347362][ T4246] el0t_64_sync_handler+0x84/0xe4 [ 71.348717][ T4246] el0t_64_sync+0x1a0/0x1a4 [ 71.352665][ T4038] Bluetooth: hci0: command 0x0409 tx timeout