Warning: Permanently added '10.128.0.232' (ED25519) to the list of known hosts. 2025/02/24 22:03:33 ignoring optional flag "sandboxArg"="0" 2025/02/24 22:03:34 parsed 1 programs [ 55.503929][ T4172] cgroup: Unknown subsys name 'net' [ 55.637091][ T4172] cgroup: Unknown subsys name 'rlimit' [ 56.926593][ T4172] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 58.277966][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.292791][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.303413][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.315805][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.325169][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.333714][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.443976][ T4212] chnl_net:caif_netlink_parms(): no params data found [ 59.507970][ T4212] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.515849][ T4212] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.524642][ T4212] device bridge_slave_0 entered promiscuous mode [ 59.534647][ T4212] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.542085][ T4212] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.550268][ T4212] device bridge_slave_1 entered promiscuous mode [ 59.577987][ T4212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.589514][ T4212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.621486][ T4212] team0: Port device team_slave_0 added [ 59.629340][ T4212] team0: Port device team_slave_1 added [ 59.654551][ T4212] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.661701][ T4212] 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. [ 59.688160][ T4212] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.701731][ T4212] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.708674][ T4212] 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. [ 59.735095][ T4212] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.777484][ T4212] device hsr_slave_0 entered promiscuous mode [ 59.784957][ T4212] device hsr_slave_1 entered promiscuous mode [ 59.915239][ T4212] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.928541][ T4212] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.939018][ T4212] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.950836][ T4212] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.973657][ T4212] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.980776][ T4212] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.988775][ T4212] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.995846][ T4212] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.056392][ T4212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.081013][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.118985][ T1170] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.131864][ T1170] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.149088][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.177142][ T4212] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.187463][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.196448][ T1170] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.203635][ T1170] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.218150][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.227873][ T1170] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.234981][ T1170] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.251914][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.261559][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.273679][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.285820][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.297202][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.307307][ T4212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.369082][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.376709][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.388235][ T4212] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.404883][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.420473][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.429326][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.438886][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.447235][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.458022][ T4212] device veth0_vlan entered promiscuous mode [ 60.469167][ T4212] device veth1_vlan entered promiscuous mode [ 60.499115][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.507429][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.516479][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.526386][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.537440][ T4212] device veth0_macvtap entered promiscuous mode [ 60.549230][ T4212] device veth1_macvtap entered promiscuous mode [ 60.577246][ T4212] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.584942][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.593283][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.601103][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.610699][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.624281][ T4212] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.631737][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.641073][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.654162][ T4212] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.663328][ T4212] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.672738][ T4212] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.681490][ T4212] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.773643][ T4212] syz-executor (4212) used greatest stack depth: 17632 bytes left 2025/02/24 22:03:43 executed programs: 0 [ 62.459673][ T4261] chnl_net:caif_netlink_parms(): no params data found [ 62.515025][ T4261] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.522318][ T4261] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.530326][ T4261] device bridge_slave_0 entered promiscuous mode [ 62.539209][ T4261] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.547304][ T4261] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.555511][ T4261] device bridge_slave_1 entered promiscuous mode [ 62.583326][ T4261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.595549][ T4261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.623549][ T4261] team0: Port device team_slave_0 added [ 62.634499][ T4261] team0: Port device team_slave_1 added [ 62.660440][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.667603][ T4261] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 62.693835][ T4261] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.706218][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.713208][ T4261] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 62.739159][ T4261] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.771408][ T4261] device hsr_slave_0 entered promiscuous mode [ 62.778359][ T4261] device hsr_slave_1 entered promiscuous mode [ 62.785216][ T4261] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.793378][ T4261] Cannot create hsr debugfs directory [ 62.879488][ T4261] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.382720][ T1107] Bluetooth: hci0: command 0x0409 tx timeout [ 66.297814][ T4261] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.349091][ T4261] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.400924][ T4261] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.461609][ T4227] Bluetooth: hci0: command 0x041b tx timeout [ 66.501356][ T4261] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.512561][ T4261] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.523478][ T4261] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.533588][ T4261] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.591319][ T4261] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.616496][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.624469][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.635230][ T4261] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.644527][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.653487][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.661911][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.668967][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.677627][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.702468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.711075][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.721078][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.728166][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.737899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.749692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.770345][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.779359][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.817921][ T4261] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.828660][ T4261] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.840976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.849316][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.858627][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.867683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.877082][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.885726][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.894419][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.902859][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.921569][ T144] device hsr_slave_0 left promiscuous mode [ 66.928654][ T144] device hsr_slave_1 left promiscuous mode [ 66.936301][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 66.947049][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 66.955732][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 66.963884][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 66.971777][ T144] device bridge_slave_1 left promiscuous mode [ 66.978692][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.991162][ T144] device bridge_slave_0 left promiscuous mode [ 66.998430][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.013370][ T144] device veth1_macvtap left promiscuous mode [ 67.019521][ T144] device veth0_macvtap left promiscuous mode [ 67.026405][ T144] device veth1_vlan left promiscuous mode [ 67.032505][ T144] device veth0_vlan left promiscuous mode [ 67.159884][ T144] team0 (unregistering): Port device team_slave_1 removed [ 67.175711][ T144] team0 (unregistering): Port device team_slave_0 removed [ 67.187884][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.200820][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.247723][ T144] bond0 (unregistering): Released all slaves [ 67.333814][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.341293][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.358842][ T4261] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.379891][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.389293][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.406959][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.415800][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.424414][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.433152][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.444675][ T4261] device veth0_vlan entered promiscuous mode [ 67.457447][ T4261] device veth1_vlan entered promiscuous mode [ 67.475328][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.483660][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.491646][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.500025][ T1301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.512532][ T4261] device veth0_macvtap entered promiscuous mode [ 67.520773][ T4261] device veth1_macvtap entered promiscuous mode [ 67.538899][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.548803][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.558412][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.566696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.575625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.587209][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.598080][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.606760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.618561][ T4261] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.628078][ T4261] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.637356][ T4261] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.646428][ T4261] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.700458][ T1301] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.720427][ T1301] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.728368][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.738230][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.748885][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.759545][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.798874][ T4273] [ 67.801226][ T4273] ====================================================== [ 67.808247][ T4273] WARNING: possible circular locking dependency detected [ 67.815257][ T4273] 5.15.178-syzkaller #0 Not tainted [ 67.820440][ T4273] ------------------------------------------------------ [ 67.827438][ T4273] syz.0.16/4273 is trying to acquire lock: [ 67.833228][ T4273] ffff88807b410c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 67.844284][ T4273] [ 67.844284][ T4273] but task is already holding lock: [ 67.851634][ T4273] ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 67.861291][ T4273] [ 67.861291][ T4273] which lock already depends on the new lock. [ 67.861291][ T4273] [ 67.871696][ T4273] [ 67.871696][ T4273] the existing dependency chain (in reverse order) is: [ 67.880710][ T4273] [ 67.880710][ T4273] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.888702][ T4273] lock_acquire+0x1db/0x4f0 [ 67.893727][ T4273] __mutex_lock_common+0x1da/0x25a0 [ 67.899437][ T4273] mutex_lock_nested+0x17/0x20 [ 67.904713][ T4273] rfkill_register+0x30/0x880 [ 67.909905][ T4273] hci_register_dev+0x4dd/0xa50 [ 67.915270][ T4273] vhci_create_device+0x310/0x590 [ 67.920805][ T4273] vhci_write+0x382/0x430 [ 67.925643][ T4273] vfs_write+0xacd/0xe50 [ 67.930417][ T4273] ksys_write+0x1a2/0x2c0 [ 67.935254][ T4273] do_syscall_64+0x3b/0xb0 [ 67.940183][ T4273] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.946590][ T4273] [ 67.946590][ T4273] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.954410][ T4273] lock_acquire+0x1db/0x4f0 [ 67.959428][ T4273] __mutex_lock_common+0x1da/0x25a0 [ 67.965138][ T4273] mutex_lock_nested+0x17/0x20 [ 67.970419][ T4273] vhci_send_frame+0x8a/0xf0 [ 67.975521][ T4273] hci_send_frame+0x1af/0x2f0 [ 67.980707][ T4273] hci_tx_work+0xb2e/0x1a30 [ 67.985717][ T4273] process_one_work+0x8a1/0x10c0 [ 67.991167][ T4273] worker_thread+0xaca/0x1280 [ 67.996353][ T4273] kthread+0x3f6/0x4f0 [ 68.000938][ T4273] ret_from_fork+0x1f/0x30 [ 68.005882][ T4273] [ 68.005882][ T4273] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.015097][ T4273] lock_acquire+0x1db/0x4f0 [ 68.020123][ T4273] __flush_work+0xeb/0x1a0 [ 68.025056][ T4273] hci_dev_do_close+0x20a/0x1070 [ 68.030506][ T4273] hci_unregister_dev+0x2d7/0x580 [ 68.036034][ T4273] vhci_release+0x73/0xc0 [ 68.040951][ T4273] __fput+0x3fe/0x8e0 [ 68.045434][ T4273] task_work_run+0x129/0x1a0 [ 68.050523][ T4273] do_exit+0x6a3/0x2480 [ 68.055181][ T4273] do_group_exit+0x144/0x310 [ 68.060273][ T4273] get_signal+0xc66/0x14e0 [ 68.065199][ T4273] arch_do_signal_or_restart+0xc3/0x1890 [ 68.071350][ T4273] exit_to_user_mode_loop+0x97/0x130 [ 68.077141][ T4273] exit_to_user_mode_prepare+0xb1/0x140 [ 68.083192][ T4273] syscall_exit_to_user_mode+0x5d/0x240 [ 68.089244][ T4273] do_syscall_64+0x47/0xb0 [ 68.094158][ T4273] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.100552][ T4273] [ 68.100552][ T4273] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.108172][ T4273] lock_acquire+0x1db/0x4f0 [ 68.113174][ T4273] __mutex_lock_common+0x1da/0x25a0 [ 68.118869][ T4273] mutex_lock_nested+0x17/0x20 [ 68.124130][ T4273] bg_scan_update+0xa1/0x4a0 [ 68.129217][ T4273] process_one_work+0x8a1/0x10c0 [ 68.134655][ T4273] worker_thread+0xaca/0x1280 [ 68.139834][ T4273] kthread+0x3f6/0x4f0 [ 68.144410][ T4273] ret_from_fork+0x1f/0x30 [ 68.149349][ T4273] [ 68.149349][ T4273] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.159145][ T4273] validate_chain+0x1649/0x5930 [ 68.164605][ T4273] __lock_acquire+0x1295/0x1ff0 [ 68.169956][ T4273] lock_acquire+0x1db/0x4f0 [ 68.174957][ T4273] __flush_work+0xeb/0x1a0 [ 68.179872][ T4273] __cancel_work_timer+0x519/0x6a0 [ 68.185569][ T4273] hci_request_cancel_all+0xcb/0x300 [ 68.191381][ T4273] hci_dev_do_close+0x51/0x1070 [ 68.196753][ T4273] hci_rfkill_set_block+0x114/0x1a0 [ 68.202465][ T4273] rfkill_set_block+0x1e7/0x430 [ 68.207823][ T4273] rfkill_fop_write+0x5b7/0x790 [ 68.213177][ T4273] vfs_write+0x30c/0xe50 [ 68.217921][ T4273] ksys_write+0x1a2/0x2c0 [ 68.222752][ T4273] do_syscall_64+0x3b/0xb0 [ 68.227675][ T4273] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.234078][ T4273] [ 68.234078][ T4273] other info that might help us debug this: [ 68.234078][ T4273] [ 68.244279][ T4273] Chain exists of: [ 68.244279][ T4273] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.244279][ T4273] [ 68.259990][ T4273] Possible unsafe locking scenario: [ 68.259990][ T4273] [ 68.267427][ T4273] CPU0 CPU1 [ 68.272781][ T4273] ---- ---- [ 68.278124][ T4273] lock(rfkill_global_mutex); [ 68.282866][ T4273] lock(&data->open_mutex); [ 68.289953][ T4273] lock(rfkill_global_mutex); [ 68.297229][ T4273] lock((work_completion)(&hdev->bg_scan_update)); [ 68.303793][ T4273] [ 68.303793][ T4273] *** DEADLOCK *** [ 68.303793][ T4273] [ 68.311914][ T4273] 1 lock held by syz.0.16/4273: [ 68.316739][ T4273] #0: ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 68.326810][ T4273] [ 68.326810][ T4273] stack backtrace: [ 68.332681][ T4273] CPU: 1 PID: 4273 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 68.340637][ T4273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 68.350679][ T4273] Call Trace: [ 68.353937][ T4273] [ 68.356847][ T4273] dump_stack_lvl+0x1e3/0x2d0 [ 68.361504][ T4273] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 68.367116][ T4273] ? print_circular_bug+0x12b/0x1a0 [ 68.372296][ T4273] check_noncircular+0x2f8/0x3b0 [ 68.377211][ T4273] ? add_chain_block+0x850/0x850 [ 68.382128][ T4273] ? lockdep_lock+0x11f/0x2a0 [ 68.386788][ T4273] validate_chain+0x1649/0x5930 [ 68.391624][ T4273] ? reacquire_held_locks+0x660/0x660 [ 68.396976][ T4273] ? mark_lock+0x98/0x340 [ 68.401281][ T4273] ? look_up_lock_class+0x77/0x120 [ 68.406374][ T4273] ? register_lock_class+0x100/0x9a0 [ 68.411638][ T4273] ? mark_lock+0x98/0x340 [ 68.415943][ T4273] ? is_dynamic_key+0x1f0/0x1f0 [ 68.420769][ T4273] ? __lock_acquire+0x1295/0x1ff0 [ 68.425772][ T4273] ? mark_lock+0x98/0x340 [ 68.430079][ T4273] __lock_acquire+0x1295/0x1ff0 [ 68.434912][ T4273] lock_acquire+0x1db/0x4f0 [ 68.439395][ T4273] ? __flush_work+0xcf/0x1a0 [ 68.443966][ T4273] ? rcu_lock_release+0x5/0x20 [ 68.448798][ T4273] ? read_lock_is_recursive+0x10/0x10 [ 68.454152][ T4273] ? start_flush_work+0x776/0x820 [ 68.459156][ T4273] ? rcu_lock_release+0x5/0x20 [ 68.463898][ T4273] __flush_work+0xeb/0x1a0 [ 68.468292][ T4273] ? __flush_work+0xcf/0x1a0 [ 68.472858][ T4273] ? flush_work+0x20/0x20 [ 68.477167][ T4273] ? print_irqtrace_events+0x210/0x210 [ 68.482601][ T4273] ? lock_timer_base+0x260/0x260 [ 68.487520][ T4273] ? __cancel_work_timer+0x467/0x6a0 [ 68.492782][ T4273] __cancel_work_timer+0x519/0x6a0 [ 68.497885][ T4273] ? cancel_work_sync+0x20/0x20 [ 68.502715][ T4273] ? lockdep_hardirqs_on+0x94/0x130 [ 68.507893][ T4273] ? __cancel_work+0x2ef/0x380 [ 68.512636][ T4273] ? cancel_work+0x20/0x20 [ 68.517031][ T4273] ? print_irqtrace_events+0x210/0x210 [ 68.522469][ T4273] hci_request_cancel_all+0xcb/0x300 [ 68.527732][ T4273] hci_dev_do_close+0x51/0x1070 [ 68.532562][ T4273] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 68.538437][ T4273] ? _raw_spin_unlock+0x40/0x40 [ 68.543269][ T4273] hci_rfkill_set_block+0x114/0x1a0 [ 68.548455][ T4273] ? rcu_lock_release+0x20/0x20 [ 68.553281][ T4273] rfkill_set_block+0x1e7/0x430 [ 68.558116][ T4273] rfkill_fop_write+0x5b7/0x790 [ 68.562945][ T4273] ? mark_lock+0x98/0x340 [ 68.567259][ T4273] ? rfkill_fop_read+0x470/0x470 [ 68.572181][ T4273] ? fsnotify_perm+0x64/0x590 [ 68.576835][ T4273] ? security_file_permission+0x75/0xa0 [ 68.582358][ T4273] ? rfkill_fop_read+0x470/0x470 [ 68.587273][ T4273] vfs_write+0x30c/0xe50 [ 68.591498][ T4273] ? file_end_write+0x250/0x250 [ 68.596326][ T4273] ? read_lock_is_recursive+0x10/0x10 [ 68.601673][ T4273] ? __context_tracking_exit+0x4c/0x80 [ 68.607116][ T4273] ? __lock_acquire+0x1ff0/0x1ff0 [ 68.612117][ T4273] ? __fdget_pos+0x1e9/0x380 [ 68.616686][ T4273] ksys_write+0x1a2/0x2c0 [ 68.620993][ T4273] ? print_irqtrace_events+0x210/0x210 [ 68.626437][ T4273] ? __ia32_sys_read+0x80/0x80 [ 68.631179][ T4273] ? syscall_enter_from_user_mode+0x2e/0x240 [ 68.637135][ T4273] ? lockdep_hardirqs_on+0x94/0x130 [ 68.642313][ T4273] ? syscall_enter_from_user_mode+0x2e/0x240 [ 68.648271][ T4273] do_syscall_64+0x3b/0xb0 [ 68.652666][ T4273] ? clear_bhb_loop+0x15/0x70 [ 68.657319][ T4273] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.663193][ T4273] RIP: 0033:0x7f16947bd169 [ 68.667586][ T4273] 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 [ 68.687168][ T4273] RSP: 002b:00007ffdb715d8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.695585][ T4273] RAX: ffffffffffffffda RBX: 00007f16949d5fa0 RCX: 00007f16947bd169 [ 68.703537][ T4273] RDX: 0000000000000008 RSI: 0000400000000100 RDI: 0000000000000003 [ 68.711488][ T4273] RBP: 00007f169483e2a0 R08: 0000000000000000 R09: 0000000000000000 [ 68.719436][ T4273] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.727383][ T4273] R13: 00007f16949d5fa0 R14: 00007f16949d5fa0 R15: 0000000000000003 [ 68.735337][ T4273] [ 68.740393][ T1107] Bluetooth: hci0: command 0x040f tx timeout