Warning: Permanently added '10.128.10.8' (ED25519) to the list of known hosts. 2025/03/15 18:46:46 ignoring optional flag "sandboxArg"="0" 2025/03/15 18:46:47 parsed 1 programs [ 73.026099][ T4176] cgroup: Unknown subsys name 'net' [ 73.141196][ T4176] cgroup: Unknown subsys name 'rlimit' [ 74.650223][ T4176] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 77.309404][ T4210] chnl_net:caif_netlink_parms(): no params data found [ 77.379833][ T4210] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.387693][ T4210] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.397410][ T4210] device bridge_slave_0 entered promiscuous mode [ 77.407592][ T4210] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.416240][ T4210] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.424515][ T4210] device bridge_slave_1 entered promiscuous mode [ 77.458284][ T4210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.470318][ T4210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.505170][ T4210] team0: Port device team_slave_0 added [ 77.513899][ T4210] team0: Port device team_slave_1 added [ 77.543288][ T4210] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.550633][ T4210] 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. [ 77.578477][ T4210] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.591797][ T4210] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.600271][ T4210] 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. [ 77.627724][ T4210] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.671441][ T4210] device hsr_slave_0 entered promiscuous mode [ 77.678591][ T4210] device hsr_slave_1 entered promiscuous mode [ 77.819997][ T4210] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.833473][ T4210] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.844591][ T4210] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.856135][ T4210] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.890200][ T4210] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.897621][ T4210] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.905867][ T4210] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.913097][ T4210] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.983228][ T4210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.996534][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.008569][ T1173] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.018287][ T1173] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.027817][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.040866][ T4210] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.057679][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.067030][ T1173] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.074135][ T1173] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.089878][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.101308][ T1173] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.108476][ T1173] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.133351][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.145525][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.159860][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.177939][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.197764][ T4210] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.209259][ T4210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.218688][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.317583][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.326988][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.340968][ T4210] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.358362][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.368173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.387174][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.396473][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.406732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.415321][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.424308][ T4210] device veth0_vlan entered promiscuous mode [ 78.440288][ T4210] device veth1_vlan entered promiscuous mode [ 78.459791][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.468327][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.477106][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.486657][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.497642][ T4210] device veth0_macvtap entered promiscuous mode [ 78.523603][ T4210] device veth1_macvtap entered promiscuous mode [ 78.539186][ T4210] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.547698][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.556376][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.565345][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.574141][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.603050][ T4210] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.610505][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.619766][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.631241][ T4210] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.640243][ T4210] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.649924][ T4210] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.659172][ T4210] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.767580][ T4210] syz-executor (4210) used greatest stack depth: 19800 bytes left [ 79.578481][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.594937][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.604526][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.623021][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.632199][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.644005][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/03/15 18:46:57 executed programs: 0 [ 80.484000][ T4263] chnl_net:caif_netlink_parms(): no params data found [ 80.543957][ T4263] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.551315][ T4263] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.559909][ T4263] device bridge_slave_0 entered promiscuous mode [ 80.568341][ T4263] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.576166][ T4263] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.584317][ T4263] device bridge_slave_1 entered promiscuous mode [ 80.610110][ T4263] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.621890][ T4263] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.651850][ T4263] team0: Port device team_slave_0 added [ 80.660404][ T4263] team0: Port device team_slave_1 added [ 80.684960][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.691941][ T4263] 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. [ 80.719107][ T4263] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.733011][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.740183][ T4263] 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. [ 80.766540][ T4263] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.806091][ T4263] device hsr_slave_0 entered promiscuous mode [ 80.813085][ T4263] device hsr_slave_1 entered promiscuous mode [ 80.821365][ T4263] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.830110][ T4263] Cannot create hsr debugfs directory [ 80.920593][ T4263] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.536825][ T1110] cfg80211: failed to load regulatory.db [ 82.415019][ T4218] Bluetooth: hci0: command 0x0409 tx timeout [ 84.494810][ T1110] Bluetooth: hci0: command 0x041b tx timeout [ 84.571903][ T4263] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.621046][ T4263] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.672734][ T4263] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.810404][ T4263] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.820026][ T4263] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.830565][ T4263] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.840082][ T4263] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.902480][ T4263] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.930742][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 84.939941][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.951388][ T4263] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.981207][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.990449][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 85.000393][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.007614][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.017917][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.046743][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 85.055914][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 85.066027][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.073103][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.085455][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 85.097792][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 85.128305][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 85.139738][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.148857][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 85.161581][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 85.170525][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.196287][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 85.206028][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.240655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 85.249426][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.259367][ T4263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 85.368088][ T154] device hsr_slave_0 left promiscuous mode [ 85.374810][ T154] device hsr_slave_1 left promiscuous mode [ 85.381381][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 85.389131][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 85.398857][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 85.406631][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 85.415188][ T154] device bridge_slave_1 left promiscuous mode [ 85.422118][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.437288][ T154] device bridge_slave_0 left promiscuous mode [ 85.443522][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.462177][ T154] device veth1_macvtap left promiscuous mode [ 85.468669][ T154] device veth0_macvtap left promiscuous mode [ 85.475496][ T154] device veth1_vlan left promiscuous mode [ 85.481462][ T154] device veth0_vlan left promiscuous mode [ 85.645735][ T154] team0 (unregistering): Port device team_slave_1 removed [ 85.660594][ T154] team0 (unregistering): Port device team_slave_0 removed [ 85.674186][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 85.689841][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 85.754555][ T154] bond0 (unregistering): Released all slaves [ 85.822040][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 85.829918][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 85.845088][ T4263] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.864631][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 85.873439][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 85.899739][ T4263] device veth0_vlan entered promiscuous mode [ 85.915957][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 85.924403][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 85.933607][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 85.941876][ T1173] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 85.951278][ T4263] device veth1_vlan entered promiscuous mode [ 85.975964][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 85.985229][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 85.996241][ T4263] device veth0_macvtap entered promiscuous mode [ 86.006912][ T4263] device veth1_macvtap entered promiscuous mode [ 86.024052][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 86.031732][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 86.041707][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 86.050323][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 86.059106][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 86.070126][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 86.079073][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 86.087883][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 86.099197][ T4263] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.108414][ T4263] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.117407][ T4263] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.126810][ T4263] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.196132][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.204156][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.215747][ T1173] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.216928][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 86.224082][ T1173] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.240929][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 86.316247][ T4276] [ 86.318616][ T4276] ====================================================== [ 86.325631][ T4276] WARNING: possible circular locking dependency detected [ 86.332648][ T4276] 5.15.179-syzkaller #0 Not tainted [ 86.337847][ T4276] ------------------------------------------------------ [ 86.344865][ T4276] syz.0.16/4276 is trying to acquire lock: [ 86.350668][ T4276] ffff88807e2a8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 86.361756][ T4276] [ 86.361756][ T4276] but task is already holding lock: [ 86.369120][ T4276] ffffffff8ded1648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 86.378799][ T4276] [ 86.378799][ T4276] which lock already depends on the new lock. [ 86.378799][ T4276] [ 86.389205][ T4276] [ 86.389205][ T4276] the existing dependency chain (in reverse order) is: [ 86.398225][ T4276] [ 86.398225][ T4276] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 86.406241][ T4276] lock_acquire+0x1db/0x4f0 [ 86.411282][ T4276] __mutex_lock_common+0x1da/0x25a0 [ 86.417016][ T4276] mutex_lock_nested+0x17/0x20 [ 86.422319][ T4276] rfkill_register+0x30/0x880 [ 86.427526][ T4276] hci_register_dev+0x4dd/0xa50 [ 86.432908][ T4276] vhci_create_device+0x310/0x590 [ 86.438467][ T4276] vhci_write+0x382/0x430 [ 86.443422][ T4276] vfs_write+0xacd/0xe50 [ 86.448301][ T4276] ksys_write+0x1a2/0x2c0 [ 86.453162][ T4276] do_syscall_64+0x3b/0xb0 [ 86.458135][ T4276] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.464913][ T4276] [ 86.464913][ T4276] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 86.472742][ T4276] lock_acquire+0x1db/0x4f0 [ 86.477775][ T4276] __mutex_lock_common+0x1da/0x25a0 [ 86.483504][ T4276] mutex_lock_nested+0x17/0x20 [ 86.488941][ T4276] vhci_send_frame+0x8a/0xf0 [ 86.494080][ T4276] hci_send_frame+0x1af/0x2f0 [ 86.499300][ T4276] hci_tx_work+0xb2e/0x1a30 [ 86.504351][ T4276] process_one_work+0x8a1/0x10c0 [ 86.509832][ T4276] worker_thread+0xaca/0x1280 [ 86.515046][ T4276] kthread+0x3f6/0x4f0 [ 86.519652][ T4276] ret_from_fork+0x1f/0x30 [ 86.524597][ T4276] [ 86.524597][ T4276] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 86.533844][ T4276] lock_acquire+0x1db/0x4f0 [ 86.538879][ T4276] __flush_work+0xeb/0x1a0 [ 86.543821][ T4276] hci_dev_do_close+0x20a/0x1070 [ 86.549285][ T4276] hci_unregister_dev+0x2d7/0x580 [ 86.554843][ T4276] vhci_release+0x73/0xc0 [ 86.559721][ T4276] __fput+0x3fe/0x8e0 [ 86.564243][ T4276] task_work_run+0x129/0x1a0 [ 86.569369][ T4276] do_exit+0x6a3/0x2480 [ 86.574060][ T4276] do_group_exit+0x144/0x310 [ 86.579190][ T4276] get_signal+0xc66/0x14e0 [ 86.584144][ T4276] arch_do_signal_or_restart+0xc3/0x1890 [ 86.590307][ T4276] exit_to_user_mode_loop+0x97/0x130 [ 86.596135][ T4276] exit_to_user_mode_prepare+0xb1/0x140 [ 86.602568][ T4276] syscall_exit_to_user_mode+0x5d/0x240 [ 86.608653][ T4276] do_syscall_64+0x47/0xb0 [ 86.613606][ T4276] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.620034][ T4276] [ 86.620034][ T4276] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 86.627696][ T4276] lock_acquire+0x1db/0x4f0 [ 86.633248][ T4276] __mutex_lock_common+0x1da/0x25a0 [ 86.638990][ T4276] mutex_lock_nested+0x17/0x20 [ 86.644284][ T4276] bg_scan_update+0xa1/0x4a0 [ 86.649404][ T4276] process_one_work+0x8a1/0x10c0 [ 86.654877][ T4276] worker_thread+0xaca/0x1280 [ 86.660091][ T4276] kthread+0x3f6/0x4f0 [ 86.664687][ T4276] ret_from_fork+0x1f/0x30 [ 86.669636][ T4276] [ 86.669636][ T4276] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 86.679465][ T4276] validate_chain+0x1649/0x5930 [ 86.684893][ T4276] __lock_acquire+0x1295/0x1ff0 [ 86.690281][ T4276] lock_acquire+0x1db/0x4f0 [ 86.695314][ T4276] __flush_work+0xeb/0x1a0 [ 86.700256][ T4276] __cancel_work_timer+0x519/0x6a0 [ 86.705906][ T4276] hci_request_cancel_all+0xcb/0x300 [ 86.711733][ T4276] hci_dev_do_close+0x51/0x1070 [ 86.717109][ T4276] hci_rfkill_set_block+0x114/0x1a0 [ 86.722821][ T4276] rfkill_set_block+0x1e7/0x430 [ 86.728199][ T4276] rfkill_fop_write+0x5b7/0x790 [ 86.733559][ T4276] vfs_write+0x30c/0xe50 [ 86.738338][ T4276] ksys_write+0x1a2/0x2c0 [ 86.743191][ T4276] do_syscall_64+0x3b/0xb0 [ 86.748290][ T4276] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.754696][ T4276] [ 86.754696][ T4276] other info that might help us debug this: [ 86.754696][ T4276] [ 86.764920][ T4276] Chain exists of: [ 86.764920][ T4276] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 86.764920][ T4276] [ 86.780745][ T4276] Possible unsafe locking scenario: [ 86.780745][ T4276] [ 86.788296][ T4276] CPU0 CPU1 [ 86.793657][ T4276] ---- ---- [ 86.799031][ T4276] lock(rfkill_global_mutex); [ 86.803825][ T4276] lock(&data->open_mutex); [ 86.810943][ T4276] lock(rfkill_global_mutex); [ 86.818227][ T4276] lock((work_completion)(&hdev->bg_scan_update)); [ 86.824813][ T4276] [ 86.824813][ T4276] *** DEADLOCK *** [ 86.824813][ T4276] [ 86.832973][ T4276] 1 lock held by syz.0.16/4276: [ 86.837816][ T4276] #0: ffffffff8ded1648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 86.847916][ T4276] [ 86.847916][ T4276] stack backtrace: [ 86.853826][ T4276] CPU: 0 PID: 4276 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 [ 86.861804][ T4276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 86.871886][ T4276] Call Trace: [ 86.875193][ T4276] [ 86.878118][ T4276] dump_stack_lvl+0x1e3/0x2d0 [ 86.882791][ T4276] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 86.888429][ T4276] ? print_circular_bug+0x12b/0x1a0 [ 86.893651][ T4276] check_noncircular+0x2f8/0x3b0 [ 86.898598][ T4276] ? add_chain_block+0x850/0x850 [ 86.903564][ T4276] ? lockdep_lock+0x11f/0x2a0 [ 86.908252][ T4276] validate_chain+0x1649/0x5930 [ 86.913122][ T4276] ? __kernel_text_address+0x94/0x100 [ 86.918490][ T4276] ? reacquire_held_locks+0x660/0x660 [ 86.923862][ T4276] ? unwind_get_return_address+0x49/0x80 [ 86.929489][ T4276] ? arch_stack_walk+0xf3/0x140 [ 86.934423][ T4276] ? mark_lock+0x98/0x340 [ 86.938762][ T4276] ? look_up_lock_class+0x77/0x120 [ 86.943886][ T4276] ? register_lock_class+0x100/0x9a0 [ 86.949163][ T4276] ? mark_lock+0x98/0x340 [ 86.953490][ T4276] ? is_dynamic_key+0x1f0/0x1f0 [ 86.958336][ T4276] ? __lock_acquire+0x1295/0x1ff0 [ 86.963378][ T4276] ? mark_lock+0x98/0x340 [ 86.967711][ T4276] __lock_acquire+0x1295/0x1ff0 [ 86.972557][ T4276] lock_acquire+0x1db/0x4f0 [ 86.977060][ T4276] ? __flush_work+0xcf/0x1a0 [ 86.981677][ T4276] ? rcu_lock_release+0x5/0x20 [ 86.986439][ T4276] ? read_lock_is_recursive+0x10/0x10 [ 86.991818][ T4276] ? start_flush_work+0x776/0x820 [ 86.996839][ T4276] __flush_work+0xeb/0x1a0 [ 87.001267][ T4276] ? __flush_work+0xcf/0x1a0 [ 87.005871][ T4276] ? flush_work+0x20/0x20 [ 87.010209][ T4276] ? print_irqtrace_events+0x210/0x210 [ 87.015663][ T4276] ? lock_timer_base+0x260/0x260 [ 87.020601][ T4276] ? __cancel_work_timer+0x467/0x6a0 [ 87.025882][ T4276] __cancel_work_timer+0x519/0x6a0 [ 87.030992][ T4276] ? cancel_work_sync+0x20/0x20 [ 87.035863][ T4276] ? lockdep_hardirqs_on+0x94/0x130 [ 87.041066][ T4276] ? __cancel_work+0x2ef/0x380 [ 87.045823][ T4276] ? cancel_work+0x20/0x20 [ 87.050230][ T4276] ? print_irqtrace_events+0x210/0x210 [ 87.055684][ T4276] hci_request_cancel_all+0xcb/0x300 [ 87.060975][ T4276] hci_dev_do_close+0x51/0x1070 [ 87.065828][ T4276] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 87.071713][ T4276] ? _raw_spin_unlock+0x40/0x40 [ 87.076578][ T4276] hci_rfkill_set_block+0x114/0x1a0 [ 87.081771][ T4276] ? rcu_lock_release+0x20/0x20 [ 87.086633][ T4276] rfkill_set_block+0x1e7/0x430 [ 87.091476][ T4276] rfkill_fop_write+0x5b7/0x790 [ 87.096319][ T4276] ? mark_lock+0x98/0x340 [ 87.100640][ T4276] ? rfkill_fop_read+0x470/0x470 [ 87.105577][ T4276] ? fsnotify_perm+0x64/0x590 [ 87.110247][ T4276] ? security_file_permission+0x75/0xa0 [ 87.115782][ T4276] ? rfkill_fop_read+0x470/0x470 [ 87.120714][ T4276] vfs_write+0x30c/0xe50 [ 87.124951][ T4276] ? file_end_write+0x250/0x250 [ 87.129797][ T4276] ? read_lock_is_recursive+0x10/0x10 [ 87.135696][ T4276] ? __context_tracking_exit+0x4c/0x80 [ 87.141257][ T4276] ? __lock_acquire+0x1ff0/0x1ff0 [ 87.146450][ T4276] ? __fdget_pos+0x1e9/0x380 [ 87.151046][ T4276] ksys_write+0x1a2/0x2c0 [ 87.155382][ T4276] ? print_irqtrace_events+0x210/0x210 [ 87.160838][ T4276] ? __ia32_sys_read+0x80/0x80 [ 87.165595][ T4276] ? syscall_enter_from_user_mode+0x2e/0x240 [ 87.171564][ T4276] ? lockdep_hardirqs_on+0x94/0x130 [ 87.176781][ T4276] ? syscall_enter_from_user_mode+0x2e/0x240 [ 87.182767][ T4276] do_syscall_64+0x3b/0xb0 [ 87.187188][ T4276] ? clear_bhb_loop+0x15/0x70 [ 87.191859][ T4276] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.197812][ T4276] RIP: 0033:0x7f05944fa169 [ 87.202233][ T4276] 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 [ 87.221836][ T4276] RSP: 002b:00007ffcfe7bd288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.230287][ T4276] RAX: ffffffffffffffda RBX: 00007f0594712fa0 RCX: 00007f05944fa169 [ 87.238280][ T4276] RDX: 0000000000000008 RSI: 0000400000000300 RDI: 0000000000000003 [ 87.246276][ T4276] RBP: 00007f059457b2a0 R08: 0000000000000000 R09: 0000000000000000 [ 87.254257][ T4276] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.262241][ T4276] R13: 00007f0594712fa0 R14: 00007f0594712fa0 R15: 0000000000000003 [ 87.270215][ T4276] [ 87.276250][ T4270] Bluetooth: hci0: command 0x040f tx timeout