Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts. 2025/02/06 00:09:07 ignoring optional flag "sandboxArg"="0" 2025/02/06 00:09:08 parsed 1 programs [ 63.244969][ T4170] cgroup: Unknown subsys name 'net' [ 63.374751][ T4170] cgroup: Unknown subsys name 'rlimit' [ 64.811632][ T4170] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 66.450312][ T4186] chnl_net:caif_netlink_parms(): no params data found [ 66.501109][ T4186] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.508709][ T4186] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.516590][ T4186] device bridge_slave_0 entered promiscuous mode [ 66.525661][ T4186] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.533082][ T4186] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.541088][ T4186] device bridge_slave_1 entered promiscuous mode [ 66.566618][ T4186] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.577499][ T4186] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.604588][ T4186] team0: Port device team_slave_0 added [ 66.611911][ T4186] team0: Port device team_slave_1 added [ 66.632679][ T4186] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.640164][ T4186] 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. [ 66.666912][ T4186] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.683170][ T4186] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.690251][ T4186] 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. [ 66.716668][ T4186] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.751501][ T4186] device hsr_slave_0 entered promiscuous mode [ 66.758449][ T4186] device hsr_slave_1 entered promiscuous mode [ 66.857013][ T4186] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.867263][ T4186] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.876302][ T4186] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.886379][ T4186] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.915569][ T4186] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.922814][ T4186] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.930834][ T4186] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.937935][ T4186] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.002062][ T4186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.017561][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.030481][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.040124][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.057185][ T4186] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.070080][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.079296][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.086364][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.113379][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.125341][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.132453][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.144738][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.169806][ T4186] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.181213][ T4186] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.195037][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.203661][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.213426][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.223475][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.232606][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.346282][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.354548][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.369857][ T4186] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.391861][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.402400][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.424405][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.433380][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.444507][ T4186] device veth0_vlan entered promiscuous mode [ 67.452931][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.461916][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.474792][ T4186] device veth1_vlan entered promiscuous mode [ 67.501735][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.513285][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.522736][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.531878][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.542935][ T4186] device veth0_macvtap entered promiscuous mode [ 67.555049][ T4186] device veth1_macvtap entered promiscuous mode [ 67.574815][ T4186] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.584105][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.593172][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.602814][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.611841][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.625750][ T4186] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.634236][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.644021][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.657688][ T4186] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.669422][ T4186] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.678804][ T4186] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.687506][ T4186] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.813644][ T4186] syz-executor (4186) used greatest stack depth: 19480 bytes left [ 68.310183][ T1297] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.591570][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.604069][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.615725][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.627708][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.636464][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.646501][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/02/06 00:09:17 executed programs: 0 [ 69.889936][ T4246] chnl_net:caif_netlink_parms(): no params data found [ 69.934204][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.941624][ T4246] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.950246][ T4246] device bridge_slave_0 entered promiscuous mode [ 69.959863][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.966973][ T4246] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.975728][ T4246] device bridge_slave_1 entered promiscuous mode [ 69.998306][ T4246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.010222][ T4246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.034818][ T4246] team0: Port device team_slave_0 added [ 70.042663][ T4246] team0: Port device team_slave_1 added [ 70.062420][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.069482][ T4246] 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. [ 70.095937][ T4246] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.109086][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.116060][ T4246] 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. [ 70.142186][ T4246] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.174840][ T4246] device hsr_slave_0 entered promiscuous mode [ 70.181693][ T4246] device hsr_slave_1 entered promiscuous mode [ 70.188915][ T4246] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.196962][ T4246] Cannot create hsr debugfs directory [ 70.665041][ T1297] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.201642][ T1424] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.208240][ T1424] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.838761][ T4193] Bluetooth: hci0: command 0x0409 tx timeout [ 73.303454][ T1297] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.385931][ T1297] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.918130][ T4182] Bluetooth: hci0: command 0x041b tx timeout [ 74.314420][ T4246] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.325382][ T4246] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.334540][ T4246] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.345337][ T4246] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.404879][ T1297] device hsr_slave_0 left promiscuous mode [ 74.411516][ T1297] device hsr_slave_1 left promiscuous mode [ 74.419171][ T1297] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.426608][ T1297] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.436047][ T1297] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.443489][ T1297] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.451805][ T1297] device bridge_slave_1 left promiscuous mode [ 74.459014][ T1297] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.472475][ T1297] device bridge_slave_0 left promiscuous mode [ 74.479509][ T1297] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.497886][ T1297] device veth1_macvtap left promiscuous mode [ 74.504305][ T1297] device veth0_macvtap left promiscuous mode [ 74.510494][ T1297] device veth1_vlan left promiscuous mode [ 74.516381][ T1297] device veth0_vlan left promiscuous mode [ 74.677813][ T1297] team0 (unregistering): Port device team_slave_1 removed [ 74.691250][ T1297] team0 (unregistering): Port device team_slave_0 removed [ 74.707545][ T1297] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.721860][ T1297] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.780246][ T1297] bond0 (unregistering): Released all slaves [ 74.840822][ T4246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.854011][ T1245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.862205][ T1245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.873141][ T4246] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.885471][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.895160][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.904589][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.911718][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.920312][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.935258][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.944575][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.953372][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.960465][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.976957][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.986330][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.996122][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.005541][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.015053][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.031205][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.052050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.061181][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.070044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.080249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.088680][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.100515][ T4246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.187795][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.195424][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.209084][ T4246] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.237318][ T1245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.246987][ T1245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.269554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.280130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.290811][ T4246] device veth0_vlan entered promiscuous mode [ 75.299935][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.308339][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.320451][ T4246] device veth1_vlan entered promiscuous mode [ 75.347120][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.356156][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.368783][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.377432][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.389882][ T4246] device veth0_macvtap entered promiscuous mode [ 75.402163][ T4246] device veth1_macvtap entered promiscuous mode [ 75.421917][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.430434][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.441654][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.450069][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.460050][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.472489][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.481259][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.490508][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.501805][ T4246] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.511967][ T4246] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.522651][ T4246] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.531694][ T4246] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.611039][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.628472][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.640629][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.655782][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.665549][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.675708][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.726567][ T4294] [ 75.728943][ T4294] ====================================================== [ 75.736073][ T4294] WARNING: possible circular locking dependency detected [ 75.743097][ T4294] 5.15.178-syzkaller #0 Not tainted [ 75.748467][ T4294] ------------------------------------------------------ [ 75.755488][ T4294] syz.0.16/4294 is trying to acquire lock: [ 75.761284][ T4294] ffff88807a5b4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 75.772363][ T4294] [ 75.772363][ T4294] but task is already holding lock: [ 75.779731][ T4294] ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 75.789407][ T4294] [ 75.789407][ T4294] which lock already depends on the new lock. [ 75.789407][ T4294] [ 75.799804][ T4294] [ 75.799804][ T4294] the existing dependency chain (in reverse order) is: [ 75.808810][ T4294] [ 75.808810][ T4294] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 75.816815][ T4294] lock_acquire+0x1db/0x4f0 [ 75.821848][ T4294] __mutex_lock_common+0x1da/0x25a0 [ 75.827581][ T4294] mutex_lock_nested+0x17/0x20 [ 75.832880][ T4294] rfkill_register+0x30/0x880 [ 75.838078][ T4294] hci_register_dev+0x4dd/0xa50 [ 75.843456][ T4294] vhci_create_device+0x310/0x590 [ 75.849008][ T4294] vhci_write+0x382/0x430 [ 75.853861][ T4294] vfs_write+0xacd/0xe50 [ 75.858626][ T4294] ksys_write+0x1a2/0x2c0 [ 75.863651][ T4294] do_syscall_64+0x3b/0xb0 [ 75.868595][ T4294] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.875152][ T4294] [ 75.875152][ T4294] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 75.882994][ T4294] lock_acquire+0x1db/0x4f0 [ 75.888072][ T4294] __mutex_lock_common+0x1da/0x25a0 [ 75.893804][ T4294] mutex_lock_nested+0x17/0x20 [ 75.899090][ T4294] vhci_send_frame+0x8a/0xf0 [ 75.904203][ T4294] hci_send_frame+0x1af/0x2f0 [ 75.909407][ T4294] hci_tx_work+0xb2e/0x1a30 [ 75.914433][ T4294] process_one_work+0x8a1/0x10c0 [ 75.919901][ T4294] worker_thread+0xaca/0x1280 [ 75.925113][ T4294] kthread+0x3f6/0x4f0 [ 75.929706][ T4294] ret_from_fork+0x1f/0x30 [ 75.934656][ T4294] [ 75.934656][ T4294] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 75.943877][ T4294] lock_acquire+0x1db/0x4f0 [ 75.948908][ T4294] __flush_work+0xeb/0x1a0 [ 75.953883][ T4294] hci_dev_do_close+0x20a/0x1070 [ 75.959338][ T4294] hci_unregister_dev+0x2d7/0x580 [ 75.964878][ T4294] vhci_release+0x73/0xc0 [ 75.969727][ T4294] __fput+0x3fe/0x8e0 [ 75.974233][ T4294] task_work_run+0x129/0x1a0 [ 75.979338][ T4294] do_exit+0x6a3/0x2480 [ 75.984096][ T4294] do_group_exit+0x144/0x310 [ 75.989224][ T4294] get_signal+0xc66/0x14e0 [ 75.994170][ T4294] arch_do_signal_or_restart+0xc3/0x1890 [ 76.000319][ T4294] exit_to_user_mode_loop+0x97/0x130 [ 76.006115][ T4294] exit_to_user_mode_prepare+0xb1/0x140 [ 76.012174][ T4294] syscall_exit_to_user_mode+0x5d/0x240 [ 76.018233][ T4294] do_syscall_64+0x47/0xb0 [ 76.023264][ T4294] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.029675][ T4294] [ 76.029675][ T4294] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 76.037313][ T4294] lock_acquire+0x1db/0x4f0 [ 76.042329][ T4294] __mutex_lock_common+0x1da/0x25a0 [ 76.048039][ T4294] mutex_lock_nested+0x17/0x20 [ 76.053315][ T4294] bg_scan_update+0xa1/0x4a0 [ 76.058416][ T4294] process_one_work+0x8a1/0x10c0 [ 76.063866][ T4294] worker_thread+0xaca/0x1280 [ 76.069063][ T4294] kthread+0x3f6/0x4f0 [ 76.073645][ T4294] ret_from_fork+0x1f/0x30 [ 76.078572][ T4294] [ 76.078572][ T4294] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 76.088377][ T4294] validate_chain+0x1649/0x5930 [ 76.093738][ T4294] __lock_acquire+0x1295/0x1ff0 [ 76.099107][ T4294] lock_acquire+0x1db/0x4f0 [ 76.104122][ T4294] __flush_work+0xeb/0x1a0 [ 76.109061][ T4294] __cancel_work_timer+0x519/0x6a0 [ 76.114683][ T4294] hci_request_cancel_all+0xcb/0x300 [ 76.120479][ T4294] hci_dev_do_close+0x51/0x1070 [ 76.125843][ T4294] hci_rfkill_set_block+0x114/0x1a0 [ 76.131549][ T4294] rfkill_set_block+0x1e7/0x430 [ 76.136914][ T4294] rfkill_fop_write+0x5b7/0x790 [ 76.142290][ T4294] vfs_write+0x30c/0xe50 [ 76.147048][ T4294] ksys_write+0x1a2/0x2c0 [ 76.151899][ T4294] do_syscall_64+0x3b/0xb0 [ 76.156838][ T4294] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.163270][ T4294] [ 76.163270][ T4294] other info that might help us debug this: [ 76.163270][ T4294] [ 76.173489][ T4294] Chain exists of: [ 76.173489][ T4294] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 76.173489][ T4294] [ 76.189222][ T4294] Possible unsafe locking scenario: [ 76.189222][ T4294] [ 76.196671][ T4294] CPU0 CPU1 [ 76.202033][ T4294] ---- ---- [ 76.207391][ T4294] lock(rfkill_global_mutex); [ 76.212152][ T4294] lock(&data->open_mutex); [ 76.219257][ T4294] lock(rfkill_global_mutex); [ 76.226535][ T4294] lock((work_completion)(&hdev->bg_scan_update)); [ 76.233117][ T4294] [ 76.233117][ T4294] *** DEADLOCK *** [ 76.233117][ T4294] [ 76.241246][ T4294] 1 lock held by syz.0.16/4294: [ 76.246086][ T4294] #0: ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 76.256623][ T4294] [ 76.256623][ T4294] stack backtrace: [ 76.262511][ T4294] CPU: 1 PID: 4294 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 76.270476][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 76.280526][ T4294] Call Trace: [ 76.283799][ T4294] [ 76.286727][ T4294] dump_stack_lvl+0x1e3/0x2d0 [ 76.291397][ T4294] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 76.297039][ T4294] ? print_circular_bug+0x12b/0x1a0 [ 76.302353][ T4294] check_noncircular+0x2f8/0x3b0 [ 76.307304][ T4294] ? add_chain_block+0x850/0x850 [ 76.312249][ T4294] ? lockdep_lock+0x11f/0x2a0 [ 76.316928][ T4294] validate_chain+0x1649/0x5930 [ 76.321781][ T4294] ? validate_chain+0x112/0x5930 [ 76.326714][ T4294] ? reacquire_held_locks+0x660/0x660 [ 76.332080][ T4294] ? mark_lock+0x98/0x340 [ 76.336422][ T4294] ? look_up_lock_class+0x77/0x120 [ 76.341528][ T4294] ? register_lock_class+0x100/0x9a0 [ 76.346823][ T4294] ? mark_lock+0x98/0x340 [ 76.351144][ T4294] ? is_dynamic_key+0x1f0/0x1f0 [ 76.355988][ T4294] ? __lock_acquire+0x1295/0x1ff0 [ 76.361004][ T4294] ? mark_lock+0x98/0x340 [ 76.365325][ T4294] __lock_acquire+0x1295/0x1ff0 [ 76.370181][ T4294] lock_acquire+0x1db/0x4f0 [ 76.374691][ T4294] ? __flush_work+0xcf/0x1a0 [ 76.379278][ T4294] ? rcu_lock_release+0x5/0x20 [ 76.384043][ T4294] ? read_lock_is_recursive+0x10/0x10 [ 76.389425][ T4294] ? start_flush_work+0x776/0x820 [ 76.394462][ T4294] __flush_work+0xeb/0x1a0 [ 76.398872][ T4294] ? __flush_work+0xcf/0x1a0 [ 76.403458][ T4294] ? flush_work+0x20/0x20 [ 76.407787][ T4294] ? print_irqtrace_events+0x210/0x210 [ 76.413239][ T4294] ? lock_timer_base+0x260/0x260 [ 76.418197][ T4294] ? __cancel_work_timer+0x467/0x6a0 [ 76.423475][ T4294] __cancel_work_timer+0x519/0x6a0 [ 76.428598][ T4294] ? cancel_work_sync+0x20/0x20 [ 76.433440][ T4294] ? lockdep_hardirqs_on+0x94/0x130 [ 76.438634][ T4294] ? __cancel_work+0x2ef/0x380 [ 76.443391][ T4294] ? cancel_work+0x20/0x20 [ 76.447795][ T4294] ? print_irqtrace_events+0x210/0x210 [ 76.453244][ T4294] hci_request_cancel_all+0xcb/0x300 [ 76.458533][ T4294] hci_dev_do_close+0x51/0x1070 [ 76.463381][ T4294] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 76.469266][ T4294] ? _raw_spin_unlock+0x40/0x40 [ 76.474128][ T4294] hci_rfkill_set_block+0x114/0x1a0 [ 76.479317][ T4294] ? rcu_lock_release+0x20/0x20 [ 76.484158][ T4294] rfkill_set_block+0x1e7/0x430 [ 76.489009][ T4294] rfkill_fop_write+0x5b7/0x790 [ 76.493868][ T4294] ? mark_lock+0x98/0x340 [ 76.498195][ T4294] ? rfkill_fop_read+0x470/0x470 [ 76.503128][ T4294] ? fsnotify_perm+0x64/0x590 [ 76.507799][ T4294] ? security_file_permission+0x75/0xa0 [ 76.513337][ T4294] ? rfkill_fop_read+0x470/0x470 [ 76.518266][ T4294] vfs_write+0x30c/0xe50 [ 76.522505][ T4294] ? file_end_write+0x250/0x250 [ 76.527349][ T4294] ? read_lock_is_recursive+0x10/0x10 [ 76.532710][ T4294] ? __context_tracking_exit+0x4c/0x80 [ 76.538161][ T4294] ? __lock_acquire+0x1ff0/0x1ff0 [ 76.543983][ T4294] ? __fdget_pos+0x1e9/0x380 [ 76.548569][ T4294] ksys_write+0x1a2/0x2c0 [ 76.552899][ T4294] ? print_irqtrace_events+0x210/0x210 [ 76.558349][ T4294] ? __ia32_sys_read+0x80/0x80 [ 76.563156][ T4294] ? syscall_enter_from_user_mode+0x2e/0x240 [ 76.569132][ T4294] ? lockdep_hardirqs_on+0x94/0x130 [ 76.574321][ T4294] ? syscall_enter_from_user_mode+0x2e/0x240 [ 76.580310][ T4294] do_syscall_64+0x3b/0xb0 [ 76.584718][ T4294] ? clear_bhb_loop+0x15/0x70 [ 76.589393][ T4294] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.595294][ T4294] RIP: 0033:0x7fafe710fde9 [ 76.599713][ T4294] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 76.619309][ T4294] RSP: 002b:00007ffc1d226278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.627715][ T4294] RAX: ffffffffffffffda RBX: 00007fafe7328fa0 RCX: 00007fafe710fde9 [ 76.635695][ T4294] RDX: 0000000000000008 RSI: 0000200000000300 RDI: 0000000000000003 [ 76.643656][ T4294] RBP: 00007fafe71912a0 R08: 0000000000000000 R09: 0000000000000000 [ 76.651620][ T4294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.659593][ T4294] R13: 00007fafe7328fa0 R14: 00007fafe7328fa0 R15: 0000000000000003 [ 76.667561][ T4294] [ 76.673472][ T4182] Bluetooth: hci0: command 0x040f tx timeout