Warning: Permanently added '10.128.0.188' (ED25519) to the list of known hosts. 1970/01/01 00:00:41 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:42 parsed 1 programs [ 45.054630][ T4031] cgroup: Unknown subsys name 'net' [ 45.308804][ T4031] cgroup: Unknown subsys name 'rlimit' [ 45.691486][ T4031] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 53.154310][ T4044] chnl_net:caif_netlink_parms(): no params data found [ 53.190986][ T4044] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.193032][ T4044] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.195604][ T4044] device bridge_slave_0 entered promiscuous mode [ 53.200037][ T4044] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.201974][ T4044] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.204847][ T4044] device bridge_slave_1 entered promiscuous mode [ 53.221431][ T4044] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.225744][ T4044] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.241748][ T4044] team0: Port device team_slave_0 added [ 53.245279][ T4044] team0: Port device team_slave_1 added [ 53.258314][ T4044] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.260162][ T4044] 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. [ 53.267724][ T4044] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.273281][ T4044] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.275158][ T4044] 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. [ 53.281971][ T4044] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.364970][ T4044] device hsr_slave_0 entered promiscuous mode [ 53.423097][ T4044] device hsr_slave_1 entered promiscuous mode [ 53.537759][ T4044] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.576123][ T4044] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.615468][ T4044] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.665265][ T4044] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.730810][ T4044] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.732987][ T4044] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.735432][ T4044] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.737309][ T4044] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.776944][ T4044] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.785582][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.789993][ T561] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.794394][ T561] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.797390][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.805630][ T4044] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.811414][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.814254][ T561] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.816117][ T561] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.821108][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.823860][ T561] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.825791][ T561] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.839536][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.842269][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.850197][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.857825][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.864771][ T4044] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.868560][ T4044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.871414][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.948975][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.951269][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.961016][ T4044] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.975155][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.987587][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.990683][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.993655][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.997861][ T4044] device veth0_vlan entered promiscuous mode [ 54.005747][ T4044] device veth1_vlan entered promiscuous mode [ 54.020037][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.024290][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.026992][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.031850][ T4044] device veth0_macvtap entered promiscuous mode [ 54.037729][ T4044] device veth1_macvtap entered promiscuous mode [ 54.047991][ T4044] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.050239][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.054513][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.060565][ T4044] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.065386][ T4044] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.067851][ T4044] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.070234][ T4044] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.072536][ T4044] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.076559][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.433718][ T153] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.051129][ T153] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.349647][ T153] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.410270][ T153] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.719786][ T153] device hsr_slave_0 left promiscuous mode [ 60.763198][ T153] device hsr_slave_1 left promiscuous mode [ 60.843461][ T153] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 60.845501][ T153] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 60.848521][ T153] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 60.850611][ T153] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 60.853253][ T153] device bridge_slave_1 left promiscuous mode [ 60.855635][ T153] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.895729][ T153] device bridge_slave_0 left promiscuous mode [ 60.897552][ T153] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.023337][ T153] device veth1_macvtap left promiscuous mode [ 61.025250][ T153] device veth0_macvtap left promiscuous mode [ 61.026947][ T153] device veth1_vlan left promiscuous mode [ 61.028719][ T153] device veth0_vlan left promiscuous mode [ 61.282528][ T153] team0 (unregistering): Port device team_slave_1 removed [ 61.294865][ T153] team0 (unregistering): Port device team_slave_0 removed [ 61.304589][ T153] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 61.350999][ T153] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 61.510700][ T153] bond0 (unregistering): Released all slaves [ 61.690218][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.692421][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.710712][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.717847][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.719875][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.722986][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:02 executed programs: 0 [ 62.243675][ T4189] chnl_net:caif_netlink_parms(): no params data found [ 62.289829][ T4189] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.291871][ T4189] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.295266][ T4189] device bridge_slave_0 entered promiscuous mode [ 62.305001][ T4189] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.307070][ T4189] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.309682][ T4189] device bridge_slave_1 entered promiscuous mode [ 62.330777][ T4189] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.335832][ T4189] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.354337][ T4189] team0: Port device team_slave_0 added [ 62.357643][ T4189] team0: Port device team_slave_1 added [ 62.372103][ T4189] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.374021][ T4189] 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. [ 62.380418][ T4189] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.386100][ T4189] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.387980][ T4189] 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. [ 62.394846][ T4189] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.474849][ T4189] device hsr_slave_0 entered promiscuous mode [ 62.493125][ T4189] device hsr_slave_1 entered promiscuous mode [ 63.322471][ T4189] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.355112][ T4189] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.424743][ T4189] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.465324][ T4189] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.592133][ T4189] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.621782][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.625390][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.630914][ T4189] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.636501][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.639196][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.641603][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.643597][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.674301][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.677002][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.679868][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.694938][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.696977][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.699491][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.705681][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.714256][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.721976][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.726647][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.738201][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.741177][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.747602][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.751528][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.767100][ T4189] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.770726][ T4189] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.779856][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.783608][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.831664][ T153] ODEBUG: Out of memory. ODEBUG disabled [ 63.890838][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.894476][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.905396][ T4189] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.927763][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.930572][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.946445][ T4189] device veth0_vlan entered promiscuous mode [ 63.949005][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.951567][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.956741][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.959614][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.966293][ T4189] device veth1_vlan entered promiscuous mode [ 63.979874][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.982434][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.986648][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.989765][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.996387][ T4189] device veth0_macvtap entered promiscuous mode [ 64.000183][ T4189] device veth1_macvtap entered promiscuous mode [ 64.038585][ T4189] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.042365][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.046138][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.048697][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.051539][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.064226][ T4189] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.067990][ T4189] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.070308][ T4189] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.074805][ T4189] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.077112][ T4189] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.081014][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.089846][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.187539][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.189794][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.197655][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.225493][ T4305] Bluetooth: hci0: command 0x0409 tx timeout [ 64.230650][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.234654][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.237387][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.290742][ T4315] [ 64.291390][ T4315] ====================================================== [ 64.293289][ T4315] WARNING: possible circular locking dependency detected [ 64.295199][ T4315] 5.15.182-syzkaller #0 Not tainted [ 64.296509][ T4315] ------------------------------------------------------ [ 64.298319][ T4315] syz.0.16/4315 is trying to acquire lock: [ 64.299791][ T4315] ffff0000d6e74c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 64.302684][ T4315] [ 64.302684][ T4315] but task is already holding lock: [ 64.304634][ T4315] ffff8000164f7a08 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 64.307247][ T4315] [ 64.307247][ T4315] which lock already depends on the new lock. [ 64.307247][ T4315] [ 64.309963][ T4315] [ 64.309963][ T4315] the existing dependency chain (in reverse order) is: [ 64.312403][ T4315] [ 64.312403][ T4315] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.314558][ T4315] __mutex_lock_common+0x194/0x1edc [ 64.316144][ T4315] mutex_lock_nested+0xac/0x11c [ 64.317607][ T4315] rfkill_register+0x44/0x77c [ 64.319066][ T4315] hci_register_dev+0x3d8/0x854 [ 64.320477][ T4315] vhci_create_device+0x2bc/0x564 [ 64.321921][ T4315] vhci_write+0x30c/0x3ac [ 64.323158][ T4315] vfs_write+0x7c8/0xa2c [ 64.324412][ T4315] ksys_write+0x120/0x210 [ 64.325674][ T4315] __arm64_sys_write+0x7c/0x90 [ 64.327080][ T4315] invoke_syscall+0x98/0x2b8 [ 64.328397][ T4315] el0_svc_common+0x138/0x258 [ 64.329732][ T4315] do_el0_svc+0x58/0x14c [ 64.331048][ T4315] el0_svc+0x78/0x1e0 [ 64.332283][ T4315] el0t_64_sync_handler+0xcc/0xe4 [ 64.333780][ T4315] el0t_64_sync+0x1a0/0x1a4 [ 64.335101][ T4315] [ 64.335101][ T4315] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.337179][ T4315] __mutex_lock_common+0x194/0x1edc [ 64.338768][ T4315] mutex_lock_nested+0xac/0x11c [ 64.340180][ T4315] vhci_send_frame+0x88/0x118 [ 64.341610][ T4315] hci_send_frame+0x194/0x2f0 [ 64.343093][ T4315] hci_tx_work+0x7e4/0x1394 [ 64.344455][ T4315] process_one_work+0x79c/0x1140 [ 64.345914][ T4315] worker_thread+0x8f4/0x101c [ 64.347328][ T4315] kthread+0x374/0x454 [ 64.348583][ T4315] ret_from_fork+0x10/0x20 [ 64.349854][ T4315] [ 64.349854][ T4315] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.352250][ T4315] __flush_work+0xf4/0x1bc [ 64.353533][ T4315] flush_work+0x24/0x38 [ 64.354769][ T4315] hci_dev_do_close+0x164/0x105c [ 64.356220][ T4315] hci_unregister_dev+0x23c/0x4c0 [ 64.357659][ T4315] vhci_release+0x74/0xc4 [ 64.358904][ T4315] __fput+0x1c0/0x7f8 [ 64.360072][ T4315] ____fput+0x20/0x30 [ 64.361208][ T4315] task_work_run+0x12c/0x1e0 [ 64.362531][ T4315] do_exit+0x67c/0x1f58 [ 64.363770][ T4315] do_group_exit+0x100/0x268 [ 64.366547][ T4315] get_signal+0x73c/0x1340 [ 64.367863][ T4315] do_notify_resume+0x35c/0x3128 [ 64.369350][ T4315] el0_svc+0xf0/0x1e0 [ 64.370566][ T4315] el0t_64_sync_handler+0xcc/0xe4 [ 64.372046][ T4315] el0t_64_sync+0x1a0/0x1a4 [ 64.373386][ T4315] [ 64.373386][ T4315] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.375373][ T4315] __mutex_lock_common+0x194/0x1edc [ 64.376872][ T4315] mutex_lock_nested+0xac/0x11c [ 64.378261][ T4315] bg_scan_update+0x48/0x3d0 [ 64.379623][ T4315] process_one_work+0x79c/0x1140 [ 64.381101][ T4315] worker_thread+0x8f4/0x101c [ 64.382507][ T4315] kthread+0x374/0x454 [ 64.383789][ T4315] ret_from_fork+0x10/0x20 [ 64.385144][ T4315] [ 64.385144][ T4315] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.387788][ T4315] __lock_acquire+0x2928/0x651c [ 64.389193][ T4315] lock_acquire+0x1f4/0x620 [ 64.390552][ T4315] __flush_work+0xf4/0x1bc [ 64.391880][ T4315] __cancel_work_timer+0x2ec/0x448 [ 64.393434][ T4315] cancel_work_sync+0x24/0x38 [ 64.394770][ T4315] hci_request_cancel_all+0xbc/0x2d0 [ 64.396263][ T4315] hci_dev_do_close+0x54/0x105c [ 64.397670][ T4315] hci_rfkill_set_block+0xdc/0x1d0 [ 64.399112][ T4315] rfkill_set_block+0x18c/0x374 [ 64.400527][ T4315] rfkill_fop_write+0x4a4/0x5cc [ 64.401909][ T4315] vfs_write+0x280/0xa2c [ 64.403174][ T4315] ksys_write+0x120/0x210 [ 64.404443][ T4315] __arm64_sys_write+0x7c/0x90 [ 64.405870][ T4315] invoke_syscall+0x98/0x2b8 [ 64.407290][ T4315] el0_svc_common+0x138/0x258 [ 64.408666][ T4315] do_el0_svc+0x58/0x14c [ 64.410026][ T4315] el0_svc+0x78/0x1e0 [ 64.411230][ T4315] el0t_64_sync_handler+0xcc/0xe4 [ 64.412673][ T4315] el0t_64_sync+0x1a0/0x1a4 [ 64.413998][ T4315] [ 64.413998][ T4315] other info that might help us debug this: [ 64.413998][ T4315] [ 64.416652][ T4315] Chain exists of: [ 64.416652][ T4315] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.416652][ T4315] [ 64.420968][ T4315] Possible unsafe locking scenario: [ 64.420968][ T4315] [ 64.422921][ T4315] CPU0 CPU1 [ 64.424344][ T4315] ---- ---- [ 64.425786][ T4315] lock(rfkill_global_mutex); [ 64.427010][ T4315] lock(&data->open_mutex); [ 64.428942][ T4315] lock(rfkill_global_mutex); [ 64.430869][ T4315] lock((work_completion)(&hdev->bg_scan_update)); [ 64.432669][ T4315] [ 64.432669][ T4315] *** DEADLOCK *** [ 64.432669][ T4315] [ 64.434809][ T4315] 1 lock held by syz.0.16/4315: [ 64.435989][ T4315] #0: ffff8000164f7a08 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 64.438671][ T4315] [ 64.438671][ T4315] stack backtrace: [ 64.440273][ T4315] CPU: 1 PID: 4315 Comm: syz.0.16 Not tainted 5.15.182-syzkaller #0 [ 64.442368][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 64.444979][ T4315] Call trace: [ 64.445863][ T4315] dump_backtrace+0x0/0x43c [ 64.447049][ T4315] show_stack+0x2c/0x3c [ 64.448180][ T4315] __dump_stack+0x30/0x40 [ 64.449339][ T4315] dump_stack_lvl+0xf8/0x160 [ 64.450575][ T4315] dump_stack+0x1c/0x5c [ 64.451632][ T4315] print_circular_bug+0x148/0x1b0 [ 64.452934][ T4315] check_noncircular+0x240/0x2d4 [ 64.454294][ T4315] __lock_acquire+0x2928/0x651c [ 64.455555][ T4315] lock_acquire+0x1f4/0x620 [ 64.456813][ T4315] __flush_work+0xf4/0x1bc [ 64.457997][ T4315] __cancel_work_timer+0x2ec/0x448 [ 64.459381][ T4315] cancel_work_sync+0x24/0x38 [ 64.460627][ T4315] hci_request_cancel_all+0xbc/0x2d0 [ 64.463366][ T4315] hci_dev_do_close+0x54/0x105c [ 64.464669][ T4315] hci_rfkill_set_block+0xdc/0x1d0 [ 64.466037][ T4315] rfkill_set_block+0x18c/0x374 [ 64.467334][ T4315] rfkill_fop_write+0x4a4/0x5cc [ 64.468736][ T4315] vfs_write+0x280/0xa2c [ 64.469870][ T4315] ksys_write+0x120/0x210 [ 64.471084][ T4315] __arm64_sys_write+0x7c/0x90 [ 64.472413][ T4315] invoke_syscall+0x98/0x2b8 [ 64.473765][ T4315] el0_svc_common+0x138/0x258 [ 64.475000][ T4315] do_el0_svc+0x58/0x14c [ 64.476091][ T4315] el0_svc+0x78/0x1e0 [ 64.477211][ T4315] el0t_64_sync_handler+0xcc/0xe4 [ 64.478491][ T4315] el0t_64_sync+0x1a0/0x1a4