Warning: Permanently added '10.128.1.3' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs syzkaller login: [ 48.086366][ T4023] cgroup: Unknown subsys name 'net' [ 48.406476][ T4023] cgroup: Unknown subsys name 'rlimit' [ 48.735327][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.364973][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.366941][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.369135][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.384067][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.385718][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.387925][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.394181][ T4083] chnl_net:caif_netlink_parms(): no params data found [ 56.428852][ T4083] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.430464][ T4083] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.433877][ T4083] device bridge_slave_0 entered promiscuous mode [ 56.437532][ T4083] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.438985][ T4083] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.441985][ T4083] device bridge_slave_1 entered promiscuous mode [ 56.455947][ T4083] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.459696][ T4083] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.475528][ T4083] team0: Port device team_slave_0 added [ 56.478536][ T4083] team0: Port device team_slave_1 added [ 56.490078][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.493175][ T4083] 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. [ 56.498662][ T4083] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.502567][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.503956][ T4083] 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. [ 56.509082][ T4083] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.592781][ T4083] device hsr_slave_0 entered promiscuous mode [ 56.642137][ T4083] device hsr_slave_1 entered promiscuous mode [ 56.756127][ T4083] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.793182][ T4083] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.832620][ T4083] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.872675][ T4083] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.936270][ T4083] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.937877][ T4083] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.939723][ T4083] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.941249][ T4083] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.976642][ T4083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.983478][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.986295][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.988389][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.992530][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.998742][ T4083] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.014756][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.016999][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.018583][ T293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.020329][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.023387][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.024987][ T293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.030440][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.034347][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.040339][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.046779][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.062106][ T4083] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.064829][ T4083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.067400][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.132307][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.134094][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.140085][ T4083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.152158][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.162859][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.165480][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.167534][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.172153][ T4083] device veth0_vlan entered promiscuous mode [ 57.178947][ T4083] device veth1_vlan entered promiscuous mode [ 57.194176][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.196516][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.198829][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.204574][ T4083] device veth0_macvtap entered promiscuous mode [ 57.216716][ T4083] device veth1_macvtap entered promiscuous mode [ 57.232870][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.234802][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.247363][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.252494][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.254382][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.258958][ T4083] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.261141][ T4083] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.263313][ T4083] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.265023][ T4083] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:57 executed programs: 0 [ 57.637292][ T4114] chnl_net:caif_netlink_parms(): no params data found [ 57.668147][ T4114] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.669673][ T4114] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.672055][ T4114] device bridge_slave_0 entered promiscuous mode [ 57.675034][ T4114] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.676470][ T4114] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.678421][ T4114] device bridge_slave_1 entered promiscuous mode [ 57.694597][ T4114] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.698181][ T4114] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.711784][ T4114] team0: Port device team_slave_0 added [ 57.714575][ T4114] team0: Port device team_slave_1 added [ 57.726292][ T4114] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.727641][ T4114] 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. [ 57.733269][ T4114] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.736981][ T4114] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.738371][ T4114] 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. [ 57.743705][ T4114] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.802582][ T4114] device hsr_slave_0 entered promiscuous mode [ 57.851233][ T4114] device hsr_slave_1 entered promiscuous mode [ 57.911106][ T4114] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.912829][ T4114] Cannot create hsr debugfs directory [ 57.962594][ T4114] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.611289][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 60.397040][ T4114] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.690651][ T4043] Bluetooth: hci0: command 0x041b tx timeout [ 62.757267][ T4114] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.838182][ T4114] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.039145][ T4114] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.082737][ T4114] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.122746][ T4114] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.172573][ T4114] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.267397][ T4114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.277157][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.279092][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.285707][ T4114] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.292201][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.294557][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.296609][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.298009][ T293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.301844][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.311398][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.313445][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.315372][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.317003][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.318835][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.323466][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.332412][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.335350][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.337673][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.340051][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.349080][ T4114] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.352656][ T4114] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.356103][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.358253][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.360388][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.365581][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.367824][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.369879][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.440864][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.442614][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.445702][ T4114] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.459816][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.463210][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.474838][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.477182][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.479563][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.482381][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.485930][ T4114] device veth0_vlan entered promiscuous mode [ 63.492186][ T4114] device veth1_vlan entered promiscuous mode [ 63.505134][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.507184][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.509253][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.511843][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.515754][ T4114] device veth0_macvtap entered promiscuous mode [ 63.519374][ T4114] device veth1_macvtap entered promiscuous mode [ 63.530023][ T4114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.532933][ T4114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.535804][ T4114] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.537459][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.539605][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.543266][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.545432][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.549618][ T4114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.552840][ T4114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.555619][ T4114] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.558478][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.561249][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.564713][ T4114] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.566433][ T4114] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.568179][ T4114] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.570055][ T4114] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.622571][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.624273][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.626465][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.649743][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.651600][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.654781][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.780811][ T4095] Bluetooth: hci0: command 0x040f tx timeout [ 64.012555][ T4126] [ 64.013063][ T4126] ====================================================== [ 64.014500][ T4126] WARNING: possible circular locking dependency detected [ 64.015794][ T4126] 5.15.173-syzkaller #0 Not tainted [ 64.016836][ T4126] ------------------------------------------------------ [ 64.018315][ T4126] syz.0.15/4126 is trying to acquire lock: [ 64.019578][ T4126] ffff0000db33cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.021875][ T4126] [ 64.021875][ T4126] but task is already holding lock: [ 64.023519][ T4126] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.025591][ T4126] [ 64.025591][ T4126] which lock already depends on the new lock. [ 64.025591][ T4126] [ 64.027843][ T4126] [ 64.027843][ T4126] the existing dependency chain (in reverse order) is: [ 64.029860][ T4126] [ 64.029860][ T4126] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.031530][ T4126] __mutex_lock_common+0x194/0x2154 [ 64.032698][ T4126] mutex_lock_nested+0xa4/0xf8 [ 64.033736][ T4126] rfkill_register+0x44/0x7a4 [ 64.034819][ T4126] hci_register_dev+0x3e0/0x880 [ 64.035932][ T4126] vhci_create_device+0x2c4/0x568 [ 64.037075][ T4126] vhci_write+0x318/0x3b8 [ 64.038129][ T4126] vfs_write+0x884/0xb44 [ 64.039083][ T4126] ksys_write+0x15c/0x26c [ 64.040020][ T4126] __arm64_sys_write+0x7c/0x90 [ 64.041068][ T4126] invoke_syscall+0x98/0x2b8 [ 64.042060][ T4126] el0_svc_common+0x138/0x258 [ 64.043107][ T4126] do_el0_svc+0x58/0x14c [ 64.044120][ T4126] el0_svc+0x7c/0x1f0 [ 64.045027][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 64.046106][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 64.047090][ T4126] [ 64.047090][ T4126] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.048587][ T4126] __mutex_lock_common+0x194/0x2154 [ 64.049827][ T4126] mutex_lock_nested+0xa4/0xf8 [ 64.051031][ T4126] vhci_send_frame+0x8c/0x10c [ 64.052163][ T4126] hci_send_frame+0x194/0x2f0 [ 64.053248][ T4126] hci_tx_work+0x9ac/0x16cc [ 64.054287][ T4126] process_one_work+0x790/0x11b8 [ 64.055313][ T4126] worker_thread+0x910/0x1034 [ 64.056498][ T4126] kthread+0x37c/0x45c [ 64.057435][ T4126] ret_from_fork+0x10/0x20 [ 64.058393][ T4126] [ 64.058393][ T4126] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.060270][ T4126] __flush_work+0xf8/0x1c0 [ 64.061312][ T4126] flush_work+0x24/0x38 [ 64.062351][ T4126] hci_dev_do_close+0x16c/0x1060 [ 64.063428][ T4126] hci_unregister_dev+0x248/0x4d4 [ 64.064524][ T4126] vhci_release+0x74/0xc4 [ 64.065495][ T4126] __fput+0x1c4/0x800 [ 64.066359][ T4126] ____fput+0x20/0x30 [ 64.067274][ T4126] task_work_run+0x130/0x1e4 [ 64.068297][ T4126] do_exit+0x670/0x20bc [ 64.069272][ T4126] do_group_exit+0x110/0x268 [ 64.070300][ T4126] get_signal+0x634/0x1550 [ 64.071358][ T4126] do_notify_resume+0x3d0/0x32b8 [ 64.072476][ T4126] el0_svc+0xfc/0x1f0 [ 64.073399][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 64.074542][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 64.075520][ T4126] [ 64.075520][ T4126] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.077179][ T4126] __mutex_lock_common+0x194/0x2154 [ 64.078406][ T4126] mutex_lock_nested+0xa4/0xf8 [ 64.079527][ T4126] bg_scan_update+0x9c/0x470 [ 64.080513][ T4126] process_one_work+0x790/0x11b8 [ 64.081566][ T4126] worker_thread+0x910/0x1034 [ 64.082674][ T4126] kthread+0x37c/0x45c [ 64.083585][ T4126] ret_from_fork+0x10/0x20 [ 64.084512][ T4126] [ 64.084512][ T4126] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.086455][ T4126] __lock_acquire+0x32d4/0x7638 [ 64.087543][ T4126] lock_acquire+0x240/0x77c [ 64.088633][ T4126] __flush_work+0xf8/0x1c0 [ 64.089743][ T4126] __cancel_work_timer+0x3ec/0x548 [ 64.090945][ T4126] cancel_work_sync+0x24/0x38 [ 64.091994][ T4126] hci_request_cancel_all+0xcc/0x2d0 [ 64.093389][ T4126] hci_dev_do_close+0x54/0x1060 [ 64.094485][ T4126] hci_rfkill_set_block+0xdc/0x1d0 [ 64.095600][ T4126] rfkill_set_block+0x18c/0x37c [ 64.096593][ T4126] rfkill_fop_write+0x594/0x750 [ 64.097646][ T4126] vfs_write+0x280/0xb44 [ 64.098567][ T4126] ksys_write+0x15c/0x26c [ 64.099558][ T4126] __arm64_sys_write+0x7c/0x90 [ 64.100577][ T4126] invoke_syscall+0x98/0x2b8 [ 64.101587][ T4126] el0_svc_common+0x138/0x258 [ 64.102579][ T4126] do_el0_svc+0x58/0x14c [ 64.103505][ T4126] el0_svc+0x7c/0x1f0 [ 64.104381][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 64.105472][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 64.106416][ T4126] [ 64.106416][ T4126] other info that might help us debug this: [ 64.106416][ T4126] [ 64.108398][ T4126] Chain exists of: [ 64.108398][ T4126] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.108398][ T4126] [ 64.111546][ T4126] Possible unsafe locking scenario: [ 64.111546][ T4126] [ 64.112996][ T4126] CPU0 CPU1 [ 64.114138][ T4126] ---- ---- [ 64.115173][ T4126] lock(rfkill_global_mutex); [ 64.116126][ T4126] lock(&data->open_mutex); [ 64.117644][ T4126] lock(rfkill_global_mutex); [ 64.119174][ T4126] lock((work_completion)(&hdev->bg_scan_update)); [ 64.120614][ T4126] [ 64.120614][ T4126] *** DEADLOCK *** [ 64.120614][ T4126] [ 64.122256][ T4126] 1 lock held by syz.0.15/4126: [ 64.123269][ T4126] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.125248][ T4126] [ 64.125248][ T4126] stack backtrace: [ 64.126579][ T4126] CPU: 0 PID: 4126 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 64.128146][ T4126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.130257][ T4126] Call trace: [ 64.130954][ T4126] dump_backtrace+0x0/0x530 [ 64.131826][ T4126] show_stack+0x2c/0x3c [ 64.132752][ T4126] dump_stack_lvl+0x108/0x170 [ 64.133752][ T4126] dump_stack+0x1c/0x58 [ 64.134555][ T4126] print_circular_bug+0x150/0x1b8 [ 64.135659][ T4126] check_noncircular+0x2cc/0x378 [ 64.136621][ T4126] __lock_acquire+0x32d4/0x7638 [ 64.137647][ T4126] lock_acquire+0x240/0x77c [ 64.138626][ T4126] __flush_work+0xf8/0x1c0 [ 64.139604][ T4126] __cancel_work_timer+0x3ec/0x548 [ 64.140711][ T4126] cancel_work_sync+0x24/0x38 [ 64.141692][ T4126] hci_request_cancel_all+0xcc/0x2d0 [ 64.142776][ T4126] hci_dev_do_close+0x54/0x1060 [ 64.143827][ T4126] hci_rfkill_set_block+0xdc/0x1d0 [ 64.144958][ T4126] rfkill_set_block+0x18c/0x37c [ 64.145946][ T4126] rfkill_fop_write+0x594/0x750 [ 64.146855][ T4126] vfs_write+0x280/0xb44 [ 64.147678][ T4126] ksys_write+0x15c/0x26c [ 64.148543][ T4126] __arm64_sys_write+0x7c/0x90 [ 64.149484][ T4126] invoke_syscall+0x98/0x2b8 [ 64.150395][ T4126] el0_svc_common+0x138/0x258 [ 64.151474][ T4126] do_el0_svc+0x58/0x14c [ 64.152406][ T4126] el0_svc+0x7c/0x1f0 [ 64.153295][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 64.154333][ T4126] el0t_64_sync+0x1a0/0x1a4