[ 18.772563][ T3695] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.776546][ T3695] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.822638][ T148] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.827477][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.176' (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 syzkaller login: [ 47.709504][ T4031] cgroup: Unknown subsys name 'net' [ 47.961471][ T4031] cgroup: Unknown subsys name 'rlimit' [ 48.323791][ T4031] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.500569][ T4050] chnl_net:caif_netlink_parms(): no params data found [ 56.540856][ T4050] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.542666][ T4050] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.545619][ T4050] device bridge_slave_0 entered promiscuous mode [ 56.549659][ T4050] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.551562][ T4050] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.553892][ T4050] device bridge_slave_1 entered promiscuous mode [ 56.570352][ T4050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.574234][ T4050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.588946][ T4050] team0: Port device team_slave_0 added [ 56.592212][ T4050] team0: Port device team_slave_1 added [ 56.608223][ T4050] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.609845][ T4050] 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. [ 56.616604][ T4050] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.620844][ T4050] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.622670][ T4050] 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. [ 56.629425][ T4050] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.707252][ T4050] device hsr_slave_0 entered promiscuous mode [ 56.755169][ T4050] device hsr_slave_1 entered promiscuous mode [ 56.872010][ T4050] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.911293][ T4050] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.957214][ T4050] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.997322][ T4050] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.064474][ T4050] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.066651][ T4050] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.068925][ T4050] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.070743][ T4050] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.111178][ T4050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.119476][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.123532][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.127722][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.130662][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.140188][ T4050] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.146886][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.149679][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.151542][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.156817][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.159394][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.161239][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.173634][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.179886][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.189346][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.196710][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.201911][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.207748][ T4050] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.278378][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.280356][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.287505][ T4050] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.301376][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.344965][ T4050] device veth0_vlan entered promiscuous mode [ 57.347871][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.350905][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.353610][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.360534][ T4050] device veth1_vlan entered promiscuous mode [ 57.363916][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.379933][ T1850] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.382545][ T1850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.388310][ T4050] device veth0_macvtap entered promiscuous mode [ 57.392436][ T4050] device veth1_macvtap entered promiscuous mode [ 57.403490][ T4050] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.406150][ T1850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.409258][ T1850] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.414251][ T4050] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.417275][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.427770][ T4050] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.430023][ T4050] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.432101][ T4050] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.434281][ T4050] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.381900][ T1850] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.384000][ T1850] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.388797][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.417917][ T1850] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.420007][ T1850] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.422802][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.828482][ T1850] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.637179][ T4110] chnl_net:caif_netlink_parms(): no params data found [ 59.671993][ T4110] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.673990][ T4110] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.677091][ T4110] device bridge_slave_0 entered promiscuous mode [ 59.680521][ T4110] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.682456][ T4110] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.684975][ T4110] device bridge_slave_1 entered promiscuous mode [ 59.699985][ T4110] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.704158][ T4110] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.719432][ T4110] team0: Port device team_slave_0 added [ 59.722553][ T4110] team0: Port device team_slave_1 added [ 59.736686][ T4110] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.738569][ T4110] 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. [ 59.745161][ T4110] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.749200][ T4110] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.750898][ T4110] 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. [ 59.758204][ T4110] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.808664][ T4110] device hsr_slave_0 entered promiscuous mode [ 59.855219][ T4110] device hsr_slave_1 entered promiscuous mode [ 59.894951][ T4110] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.897163][ T4110] Cannot create hsr debugfs directory [ 61.565810][ T4056] Bluetooth: hci0: command 0x0409 tx timeout [ 61.842346][ T1850] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.891038][ T1850] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.973360][ T1850] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.644953][ T4111] Bluetooth: hci0: command 0x041b tx timeout [ 63.889410][ T4110] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.917055][ T4110] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.956690][ T4110] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.042236][ T4110] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.118416][ T4110] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.126273][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.128732][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.133243][ T4110] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.138385][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.141002][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.143843][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.145758][ T441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.148613][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.153623][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.157533][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.159923][ T441] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.161736][ T441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.166605][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.172681][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.179769][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.182950][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.187048][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.191806][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.194648][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.202520][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.205934][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.210740][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.213451][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.220914][ T4110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.286348][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.288459][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.295829][ T4110] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.309234][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.312251][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.323532][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.326396][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.330271][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.332724][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.337783][ T4110] device veth0_vlan entered promiscuous mode [ 64.343890][ T4110] device veth1_vlan entered promiscuous mode [ 64.387069][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.389526][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.391991][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.394622][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.399478][ T4110] device veth0_macvtap entered promiscuous mode [ 64.404481][ T4110] device veth1_macvtap entered promiscuous mode [ 64.415513][ T4110] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.418392][ T4110] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.421789][ T4110] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.423733][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.426940][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.429380][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.431892][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.436958][ T4110] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.439790][ T4110] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.443305][ T4110] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.446377][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.448965][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.453823][ T4110] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.456899][ T4110] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.459147][ T4110] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.461451][ T4110] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.501267][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.503437][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.507027][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.525122][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.527197][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.529985][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:04 executed programs: 2 [ 64.703355][ T4164] [ 64.704040][ T4164] ====================================================== [ 64.706004][ T4164] WARNING: possible circular locking dependency detected [ 64.707943][ T4164] 5.15.174-syzkaller #0 Not tainted [ 64.709343][ T4164] ------------------------------------------------------ [ 64.711173][ T4164] syz.0.16/4164 is trying to acquire lock: [ 64.712642][ T4164] ffff0000d3434c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.715578][ T4164] [ 64.715578][ T4164] but task is already holding lock: [ 64.717529][ T4164] ffff800016f36ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.720184][ T4164] [ 64.720184][ T4164] which lock already depends on the new lock. [ 64.720184][ T4164] [ 64.722835][ T4164] [ 64.722835][ T4164] the existing dependency chain (in reverse order) is: [ 64.725310][ T4164] [ 64.725310][ T4164] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.727432][ T4164] __mutex_lock_common+0x194/0x2154 [ 64.728956][ T4164] mutex_lock_nested+0xa4/0xf8 [ 64.730360][ T4164] rfkill_register+0x44/0x7a4 [ 64.731796][ T4164] hci_register_dev+0x3e0/0x880 [ 64.733225][ T4164] vhci_create_device+0x2c4/0x568 [ 64.734792][ T4164] vhci_write+0x318/0x3b8 [ 64.736114][ T4164] vfs_write+0x884/0xb44 [ 64.737390][ T4164] ksys_write+0x15c/0x26c [ 64.738647][ T4164] __arm64_sys_write+0x7c/0x90 [ 64.740029][ T4164] invoke_syscall+0x98/0x2b8 [ 64.741447][ T4164] el0_svc_common+0x138/0x258 [ 64.742798][ T4164] do_el0_svc+0x58/0x14c [ 64.744139][ T4164] el0_svc+0x7c/0x1f0 [ 64.745317][ T4164] el0t_64_sync_handler+0x84/0xe4 [ 64.746733][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 64.748045][ T4164] [ 64.748045][ T4164] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.750148][ T4164] __mutex_lock_common+0x194/0x2154 [ 64.751697][ T4164] mutex_lock_nested+0xa4/0xf8 [ 64.753108][ T4164] vhci_send_frame+0x8c/0x10c [ 64.754444][ T4164] hci_send_frame+0x194/0x2f0 [ 64.755842][ T4164] hci_tx_work+0x9ac/0x16cc [ 64.757197][ T4164] process_one_work+0x790/0x11b8 [ 64.758659][ T4164] worker_thread+0x910/0x1034 [ 64.760011][ T4164] kthread+0x37c/0x45c [ 64.761263][ T4164] ret_from_fork+0x10/0x20 [ 64.762570][ T4164] [ 64.762570][ T4164] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.764964][ T4164] __flush_work+0xf8/0x1c0 [ 64.766282][ T4164] flush_work+0x24/0x38 [ 64.767533][ T4164] hci_dev_do_close+0x16c/0x1060 [ 64.769036][ T4164] hci_unregister_dev+0x248/0x4d4 [ 64.770545][ T4164] vhci_release+0x74/0xc4 [ 64.771901][ T4164] __fput+0x1c4/0x800 [ 64.773085][ T4164] ____fput+0x20/0x30 [ 64.774223][ T4164] task_work_run+0x130/0x1e4 [ 64.775605][ T4164] do_exit+0x670/0x20bc [ 64.776870][ T4164] do_group_exit+0x110/0x268 [ 64.778236][ T4164] get_signal+0x634/0x1550 [ 64.779516][ T4164] do_notify_resume+0x3d0/0x32b8 [ 64.780977][ T4164] el0_svc+0xfc/0x1f0 [ 64.782207][ T4164] el0t_64_sync_handler+0x84/0xe4 [ 64.783721][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 64.785054][ T4164] [ 64.785054][ T4164] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.787190][ T4164] __mutex_lock_common+0x194/0x2154 [ 64.788666][ T4164] mutex_lock_nested+0xa4/0xf8 [ 64.790074][ T4164] bg_scan_update+0x9c/0x470 [ 64.791377][ T4164] process_one_work+0x790/0x11b8 [ 64.792880][ T4164] worker_thread+0x910/0x1034 [ 64.794304][ T4164] kthread+0x37c/0x45c [ 64.795515][ T4164] ret_from_fork+0x10/0x20 [ 64.796858][ T4164] [ 64.796858][ T4164] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.799478][ T4164] __lock_acquire+0x32d4/0x7638 [ 64.800936][ T4164] lock_acquire+0x240/0x77c [ 64.802277][ T4164] __flush_work+0xf8/0x1c0 [ 64.803590][ T4164] __cancel_work_timer+0x3ec/0x548 [ 64.805044][ T4164] cancel_work_sync+0x24/0x38 [ 64.806420][ T4164] hci_request_cancel_all+0xcc/0x2d0 [ 64.808032][ T4164] hci_dev_do_close+0x54/0x1060 [ 64.809744][ T4164] hci_rfkill_set_block+0xdc/0x1d0 [ 64.811372][ T4164] rfkill_set_block+0x18c/0x37c [ 64.812851][ T4164] rfkill_fop_write+0x594/0x750 [ 64.814333][ T4164] vfs_write+0x280/0xb44 [ 64.815611][ T4164] ksys_write+0x15c/0x26c [ 64.816979][ T4164] __arm64_sys_write+0x7c/0x90 [ 64.818416][ T4164] invoke_syscall+0x98/0x2b8 [ 64.819752][ T4164] el0_svc_common+0x138/0x258 [ 64.821096][ T4164] do_el0_svc+0x58/0x14c [ 64.822362][ T4164] el0_svc+0x7c/0x1f0 [ 64.823596][ T4164] el0t_64_sync_handler+0x84/0xe4 [ 64.825118][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 64.826447][ T4164] [ 64.826447][ T4164] other info that might help us debug this: [ 64.826447][ T4164] [ 64.829235][ T4164] Chain exists of: [ 64.829235][ T4164] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.829235][ T4164] [ 64.833545][ T4164] Possible unsafe locking scenario: [ 64.833545][ T4164] [ 64.835592][ T4164] CPU0 CPU1 [ 64.837027][ T4164] ---- ---- [ 64.838450][ T4164] lock(rfkill_global_mutex); [ 64.839641][ T4164] lock(&data->open_mutex); [ 64.841623][ T4164] lock(rfkill_global_mutex); [ 64.843537][ T4164] lock((work_completion)(&hdev->bg_scan_update)); [ 64.845265][ T4164] [ 64.845265][ T4164] *** DEADLOCK *** [ 64.845265][ T4164] [ 64.847454][ T4164] 1 lock held by syz.0.16/4164: [ 64.848815][ T4164] #0: ffff800016f36ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.851582][ T4164] [ 64.851582][ T4164] stack backtrace: [ 64.853134][ T4164] CPU: 0 PID: 4164 Comm: syz.0.16 Not tainted 5.15.174-syzkaller #0 [ 64.855275][ T4164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 64.858118][ T4164] Call trace: [ 64.858927][ T4164] dump_backtrace+0x0/0x530 [ 64.860140][ T4164] show_stack+0x2c/0x3c [ 64.861257][ T4164] dump_stack_lvl+0x108/0x170 [ 64.862442][ T4164] dump_stack+0x1c/0x58 [ 64.863532][ T4164] print_circular_bug+0x150/0x1b8 [ 64.864832][ T4164] check_noncircular+0x2cc/0x378 [ 64.866114][ T4164] __lock_acquire+0x32d4/0x7638 [ 64.867346][ T4164] lock_acquire+0x240/0x77c [ 64.868528][ T4164] __flush_work+0xf8/0x1c0 [ 64.869735][ T4164] __cancel_work_timer+0x3ec/0x548 [ 64.871097][ T4164] cancel_work_sync+0x24/0x38 [ 64.872336][ T4164] hci_request_cancel_all+0xcc/0x2d0 [ 64.873727][ T4164] hci_dev_do_close+0x54/0x1060 [ 64.875084][ T4164] hci_rfkill_set_block+0xdc/0x1d0 [ 64.876447][ T4164] rfkill_set_block+0x18c/0x37c [ 64.877657][ T4164] rfkill_fop_write+0x594/0x750 [ 64.878986][ T4164] vfs_write+0x280/0xb44 [ 64.880142][ T4164] ksys_write+0x15c/0x26c [ 64.881277][ T4164] __arm64_sys_write+0x7c/0x90 [ 64.882604][ T4164] invoke_syscall+0x98/0x2b8 [ 64.883860][ T4164] el0_svc_common+0x138/0x258 [ 64.885115][ T4164] do_el0_svc+0x58/0x14c [ 64.886240][ T4164] el0_svc+0x7c/0x1f0 [ 64.887317][ T4164] el0t_64_sync_handler+0x84/0xe4 [ 64.888722][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 67.393002][ T1850] device hsr_slave_0 left promiscuous mode [ 67.436376][ T1850] device hsr_slave_1 left promiscuous mode [ 67.544855][ T1850] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 67.546756][ T1850] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 67.549061][ T1850] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 67.550872][ T1850] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 67.553065][ T1850] device bridge_slave_1 left promiscuous mode [ 67.554628][ T1850] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.605650][ T1850] device bridge_slave_0 left promiscuous mode [ 67.607354][ T1850] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.755018][ T1850] device veth1_macvtap left promiscuous mode [ 67.756842][ T1850] device veth0_macvtap left promiscuous mode [ 67.758485][ T1850] device veth1_vlan left promiscuous mode [ 67.759974][ T1850] device veth0_vlan left promiscuous mode [ 67.913664][ T1850] team0 (unregistering): Port device team_slave_1 removed [ 67.920215][ T1850] team0 (unregistering): Port device team_slave_0 removed [ 67.926918][ T1850] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.971000][ T1850] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 68.072344][ T1850] bond0 (unregistering): Released all slaves 1970/01/01 00:01:09 executed programs: 186 [ 69.645212][ T3320] cfg80211: failed to load regulatory.db [ 69.645953][ T2056] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.648326][ T2056] ieee802154 phy1 wpan1: encryption failed: -22 1970/01/01 00:01:14 executed programs: 459