Warning: Permanently added '10.128.0.95' (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 [ 48.811678][ T4027] cgroup: Unknown subsys name 'net' [ 49.091293][ T4027] cgroup: Unknown subsys name 'rlimit' [ 49.423115][ T4027] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.445860][ T577] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.448118][ T577] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.450867][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.466389][ T577] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.468184][ T577] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.470542][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.726694][ T4054] chnl_net:caif_netlink_parms(): no params data found [ 58.767847][ T4054] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.769844][ T4054] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.772232][ T4054] device bridge_slave_0 entered promiscuous mode [ 58.777127][ T4054] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.779007][ T4054] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.781293][ T4054] device bridge_slave_1 entered promiscuous mode [ 58.801084][ T4054] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.805485][ T4054] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.819755][ T4054] team0: Port device team_slave_0 added [ 58.822922][ T4054] team0: Port device team_slave_1 added [ 58.840409][ T4054] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.842302][ T4054] 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. [ 58.848865][ T4054] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.852930][ T4054] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.854851][ T4054] 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. [ 58.861457][ T4054] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.926363][ T4054] device hsr_slave_0 entered promiscuous mode [ 58.974606][ T4054] device hsr_slave_1 entered promiscuous mode [ 59.095799][ T4054] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.166372][ T4054] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.210686][ T4054] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.246528][ T4054] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.398843][ T4054] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.408104][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.410968][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.418898][ T4054] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.423414][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.427610][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.430495][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.432365][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.440838][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.443772][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.447277][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.449676][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.451458][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.467994][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.470932][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.474054][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.480577][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.483333][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.486101][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.488668][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.491106][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.498469][ T4054] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.501644][ T4054] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.505131][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.507658][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.510401][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.585279][ T577] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.587403][ T577] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.592164][ T4054] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.607720][ T577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.610437][ T577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.623815][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.628833][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.632799][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.636396][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.640819][ T4054] device veth0_vlan entered promiscuous mode [ 59.649217][ T4054] device veth1_vlan entered promiscuous mode [ 59.667726][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.670213][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.672594][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.677218][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.681989][ T4054] device veth0_macvtap entered promiscuous mode [ 59.689231][ T4054] device veth1_macvtap entered promiscuous mode [ 59.701420][ T4054] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.703543][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.709141][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.711639][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.714923][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.720571][ T4054] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.727481][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.730194][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.733487][ T4054] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.735911][ T4054] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.738482][ T4054] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.740621][ T4054] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.751591][ T674] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:01 executed programs: 0 [ 61.712829][ T4109] chnl_net:caif_netlink_parms(): no params data found [ 61.746285][ T4109] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.748227][ T4109] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.750704][ T4109] device bridge_slave_0 entered promiscuous mode [ 61.754292][ T4109] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.756234][ T4109] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.758679][ T4109] device bridge_slave_1 entered promiscuous mode [ 61.774932][ T4109] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.782310][ T4109] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.797631][ T4109] team0: Port device team_slave_0 added [ 61.801790][ T4109] team0: Port device team_slave_1 added [ 61.814252][ T4109] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.816054][ T4109] 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. [ 61.822565][ T4109] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.827470][ T4109] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.829111][ T4109] 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. [ 61.836269][ T4109] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.896384][ T4109] device hsr_slave_0 entered promiscuous mode [ 61.935107][ T4109] device hsr_slave_1 entered promiscuous mode [ 61.974438][ T4109] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.976741][ T4109] Cannot create hsr debugfs directory [ 63.261911][ T674] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.704730][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 65.510593][ T674] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.563586][ T674] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.774402][ T4044] Bluetooth: hci0: command 0x041b tx timeout [ 66.595386][ T4109] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.607386][ T4109] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.646975][ T4109] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.686220][ T4109] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.773186][ T4109] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.786669][ T4109] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.788624][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.791353][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.797320][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.799980][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.802552][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.804418][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.806625][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.812422][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.815982][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.818519][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.820371][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.827812][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.832924][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.839856][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.842795][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.846816][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.851804][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.855353][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.860640][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.863305][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.869775][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.872257][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.878982][ T4109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.978421][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.980519][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.987044][ T4109] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.000462][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.003127][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.014910][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.017468][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.020096][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.022479][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.027569][ T4109] device veth0_vlan entered promiscuous mode [ 67.034081][ T4109] device veth1_vlan entered promiscuous mode [ 67.050200][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.052732][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.058265][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.060939][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.067455][ T4109] device veth0_macvtap entered promiscuous mode [ 67.071599][ T4109] device veth1_macvtap entered promiscuous mode [ 67.081690][ T4109] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.084550][ T4109] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.088144][ T4109] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.090286][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.092859][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.096479][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.099343][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.103723][ T4109] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.108093][ T4109] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.111613][ T4109] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.113682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.120550][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.126569][ T4109] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.128884][ T4109] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.130959][ T4109] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.133114][ T4109] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.173517][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.176399][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.180272][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.193165][ T314] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.195975][ T314] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.201657][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.367980][ T4157] [ 67.368642][ T4157] ====================================================== [ 67.370339][ T4157] WARNING: possible circular locking dependency detected [ 67.372143][ T4157] 5.15.178-syzkaller #0 Not tainted [ 67.373495][ T4157] ------------------------------------------------------ [ 67.375225][ T4157] syz.0.16/4157 is trying to acquire lock: [ 67.376570][ T4157] ffff0000db8ecc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 67.379346][ T4157] [ 67.379346][ T4157] but task is already holding lock: [ 67.381219][ T4157] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.383649][ T4157] [ 67.383649][ T4157] which lock already depends on the new lock. [ 67.383649][ T4157] [ 67.386218][ T4157] [ 67.386218][ T4157] the existing dependency chain (in reverse order) is: [ 67.388457][ T4157] [ 67.388457][ T4157] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.390431][ T4157] __mutex_lock_common+0x194/0x2154 [ 67.391858][ T4157] mutex_lock_nested+0xa4/0xf8 [ 67.393267][ T4157] rfkill_register+0x44/0x7a4 [ 67.394572][ T4157] hci_register_dev+0x3e0/0x880 [ 67.395916][ T4157] vhci_create_device+0x2c4/0x568 [ 67.397355][ T4157] vhci_write+0x318/0x3b8 [ 67.398633][ T4157] vfs_write+0x884/0xb44 [ 67.399815][ T4157] ksys_write+0x15c/0x26c [ 67.401074][ T4157] __arm64_sys_write+0x7c/0x90 [ 67.402429][ T4157] invoke_syscall+0x98/0x2b8 [ 67.403762][ T4157] el0_svc_common+0x138/0x258 [ 67.405207][ T4157] do_el0_svc+0x58/0x14c [ 67.406393][ T4157] el0_svc+0x7c/0x1f0 [ 67.407567][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 67.408944][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 67.410159][ T4157] [ 67.410159][ T4157] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.412130][ T4157] __mutex_lock_common+0x194/0x2154 [ 67.413615][ T4157] mutex_lock_nested+0xa4/0xf8 [ 67.414970][ T4157] vhci_send_frame+0x8c/0x10c [ 67.416224][ T4157] hci_send_frame+0x194/0x2f0 [ 67.417604][ T4157] hci_tx_work+0x9ac/0x16cc [ 67.418864][ T4157] process_one_work+0x790/0x11b8 [ 67.420256][ T4157] worker_thread+0x910/0x1034 [ 67.421524][ T4157] kthread+0x37c/0x45c [ 67.422715][ T4157] ret_from_fork+0x10/0x20 [ 67.424017][ T4157] [ 67.424017][ T4157] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.426371][ T4157] __flush_work+0xf8/0x1c0 [ 67.427648][ T4157] flush_work+0x24/0x38 [ 67.428733][ T4157] hci_dev_do_close+0x16c/0x1060 [ 67.429997][ T4157] hci_unregister_dev+0x248/0x4d4 [ 67.431350][ T4157] vhci_release+0x74/0xc4 [ 67.432618][ T4157] __fput+0x1c4/0x800 [ 67.433652][ T4157] ____fput+0x20/0x30 [ 67.434643][ T4157] task_work_run+0x130/0x1e4 [ 67.435765][ T4157] do_exit+0x670/0x20bc [ 67.436898][ T4157] do_group_exit+0x110/0x268 [ 67.438150][ T4157] get_signal+0x634/0x1550 [ 67.439363][ T4157] do_notify_resume+0x3d0/0x32b8 [ 67.440663][ T4157] el0_svc+0xfc/0x1f0 [ 67.441764][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 67.443217][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 67.444427][ T4157] [ 67.444427][ T4157] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.446341][ T4157] __mutex_lock_common+0x194/0x2154 [ 67.447758][ T4157] mutex_lock_nested+0xa4/0xf8 [ 67.449105][ T4157] bg_scan_update+0x9c/0x470 [ 67.450466][ T4157] process_one_work+0x790/0x11b8 [ 67.451842][ T4157] worker_thread+0x910/0x1034 [ 67.453191][ T4157] kthread+0x37c/0x45c [ 67.454383][ T4157] ret_from_fork+0x10/0x20 [ 67.455647][ T4157] [ 67.455647][ T4157] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.458164][ T4157] __lock_acquire+0x32d4/0x7638 [ 67.459495][ T4157] lock_acquire+0x240/0x77c [ 67.460708][ T4157] __flush_work+0xf8/0x1c0 [ 67.461901][ T4157] __cancel_work_timer+0x3ec/0x548 [ 67.463265][ T4157] cancel_work_sync+0x24/0x38 [ 67.464544][ T4157] hci_request_cancel_all+0xcc/0x2d0 [ 67.466086][ T4157] hci_dev_do_close+0x54/0x1060 [ 67.467454][ T4157] hci_rfkill_set_block+0xdc/0x1d0 [ 67.468770][ T4157] rfkill_set_block+0x18c/0x37c [ 67.470101][ T4157] rfkill_fop_write+0x594/0x750 [ 67.471542][ T4157] do_iter_write+0x33c/0x66c [ 67.472914][ T4157] do_writev+0x220/0x3ec [ 67.474088][ T4157] __arm64_sys_writev+0x80/0x94 [ 67.475451][ T4157] invoke_syscall+0x98/0x2b8 [ 67.476709][ T4157] el0_svc_common+0x138/0x258 [ 67.477957][ T4157] do_el0_svc+0x58/0x14c [ 67.479266][ T4157] el0_svc+0x7c/0x1f0 [ 67.480324][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 67.481745][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 67.482981][ T4157] [ 67.482981][ T4157] other info that might help us debug this: [ 67.482981][ T4157] [ 67.485470][ T4157] Chain exists of: [ 67.485470][ T4157] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.485470][ T4157] [ 67.489333][ T4157] Possible unsafe locking scenario: [ 67.489333][ T4157] [ 67.490909][ T4157] CPU0 CPU1 [ 67.492121][ T4157] ---- ---- [ 67.493298][ T4157] lock(rfkill_global_mutex); [ 67.494360][ T4157] lock(&data->open_mutex); [ 67.495951][ T4157] lock(rfkill_global_mutex); [ 67.497724][ T4157] lock((work_completion)(&hdev->bg_scan_update)); [ 67.499360][ T4157] [ 67.499360][ T4157] *** DEADLOCK *** [ 67.499360][ T4157] [ 67.501233][ T4157] 1 lock held by syz.0.16/4157: [ 67.502384][ T4157] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.505077][ T4157] [ 67.505077][ T4157] stack backtrace: [ 67.506507][ T4157] CPU: 0 PID: 4157 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 67.508364][ T4157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 67.510934][ T4157] Call trace: [ 67.511737][ T4157] dump_backtrace+0x0/0x530 [ 67.512855][ T4157] show_stack+0x2c/0x3c [ 67.513970][ T4157] dump_stack_lvl+0x108/0x170 [ 67.515097][ T4157] dump_stack+0x1c/0x58 [ 67.516130][ T4157] print_circular_bug+0x150/0x1b8 [ 67.517437][ T4157] check_noncircular+0x2cc/0x378 [ 67.518780][ T4157] __lock_acquire+0x32d4/0x7638 [ 67.520064][ T4157] lock_acquire+0x240/0x77c [ 67.521215][ T4157] __flush_work+0xf8/0x1c0 [ 67.522318][ T4157] __cancel_work_timer+0x3ec/0x548 [ 67.523622][ T4157] cancel_work_sync+0x24/0x38 [ 67.524765][ T4157] hci_request_cancel_all+0xcc/0x2d0 [ 67.526111][ T4157] hci_dev_do_close+0x54/0x1060 [ 67.527358][ T4157] hci_rfkill_set_block+0xdc/0x1d0 [ 67.528714][ T4157] rfkill_set_block+0x18c/0x37c [ 67.529963][ T4157] rfkill_fop_write+0x594/0x750 [ 67.531213][ T4157] do_iter_write+0x33c/0x66c [ 67.532387][ T4157] do_writev+0x220/0x3ec [ 67.533450][ T4157] __arm64_sys_writev+0x80/0x94 [ 67.534673][ T4157] invoke_syscall+0x98/0x2b8 [ 67.535816][ T4157] el0_svc_common+0x138/0x258 [ 67.536992][ T4157] do_el0_svc+0x58/0x14c [ 67.538070][ T4157] el0_svc+0x7c/0x1f0 [ 67.539102][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 67.540342][ T4157] el0t_64_sync+0x1a0/0x1a4