Warning: Permanently added '10.128.0.223' (ED25519) to the list of known hosts. 2025/06/11 08:45:34 ignoring optional flag "sandboxArg"="0" 2025/06/11 08:45:36 parsed 1 programs [ 85.419655][ T4180] cgroup: Unknown subsys name 'net' [ 85.544284][ T4180] cgroup: Unknown subsys name 'rlimit' [ 87.362253][ T4180] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 90.776928][ T4221] chnl_net:caif_netlink_parms(): no params data found [ 90.859032][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.871053][ T4221] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.881679][ T4221] device bridge_slave_0 entered promiscuous mode [ 90.896424][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.906386][ T4221] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.921301][ T4221] device bridge_slave_1 entered promiscuous mode [ 90.975508][ T4221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.996231][ T4221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.033930][ T4221] team0: Port device team_slave_0 added [ 91.043254][ T4221] team0: Port device team_slave_1 added [ 91.071445][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.080147][ T4221] 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. [ 91.114163][ T4221] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 91.131259][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.140344][ T4221] 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. [ 91.175765][ T4221] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.222530][ T4221] device hsr_slave_0 entered promiscuous mode [ 91.232239][ T4221] device hsr_slave_1 entered promiscuous mode [ 91.411058][ T4221] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.450539][ T4221] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.462587][ T4221] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.481923][ T4221] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.529929][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.539020][ T4221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.555125][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.566876][ T4221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.623837][ T4221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.641425][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.654921][ T155] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.665421][ T155] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.676951][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 91.710331][ T4221] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.721026][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.733708][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.746988][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.754973][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.771367][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.781772][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.795059][ T3069] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.807241][ T3069] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.844120][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 91.854670][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.865946][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 91.879299][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.891670][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.907912][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 91.919057][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.951031][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 91.964094][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.980370][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 91.993886][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.022736][ T4221] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.133578][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 92.142580][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 92.175654][ T4221] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.196823][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 92.209375][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 92.246624][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 92.257770][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 92.272026][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 92.283746][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 92.313157][ T4221] device veth0_vlan entered promiscuous mode [ 92.325881][ T4221] device veth1_vlan entered promiscuous mode [ 92.363254][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 92.373586][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 92.386361][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 92.400061][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 92.415009][ T4221] device veth0_macvtap entered promiscuous mode [ 92.445427][ T4221] device veth1_macvtap entered promiscuous mode [ 92.470687][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.482238][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 92.493065][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 92.502268][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 92.520219][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 92.541410][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.556170][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 92.571825][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 92.590042][ T4221] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.601860][ T4221] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.614438][ T4221] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.627398][ T4221] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.044736][ T140] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.066298][ T140] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.083483][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.087477][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 93.102115][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.114956][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 94.332589][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/06/11 08:45:47 executed programs: 0 [ 94.608409][ T4273] chnl_net:caif_netlink_parms(): no params data found [ 94.664094][ T4273] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.673878][ T4273] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.685659][ T4273] device bridge_slave_0 entered promiscuous mode [ 94.698400][ T4273] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.707895][ T4273] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.718637][ T4273] device bridge_slave_1 entered promiscuous mode [ 94.749328][ T4273] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.768563][ T4273] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.802701][ T4273] team0: Port device team_slave_0 added [ 94.811528][ T4273] team0: Port device team_slave_1 added [ 94.842295][ T4273] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.851688][ T4273] 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. [ 94.885661][ T4273] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.904133][ T4273] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.914578][ T4273] 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. [ 94.952345][ T4273] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.997308][ T4273] device hsr_slave_0 entered promiscuous mode [ 95.007502][ T4273] device hsr_slave_1 entered promiscuous mode [ 95.016532][ T4273] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 95.027732][ T4273] Cannot create hsr debugfs directory [ 96.537320][ T4239] Bluetooth: hci0: command 0x0409 tx timeout [ 97.354484][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.425317][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.485396][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.363031][ T4273] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.410861][ T4273] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.424015][ T4273] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.439464][ T4273] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.607915][ T4273] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.616676][ T4237] Bluetooth: hci0: command 0x041b tx timeout [ 98.645654][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 98.655167][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.671106][ T4273] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.682752][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 98.693903][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.707135][ T140] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.717185][ T140] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.729167][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 98.756876][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 98.769102][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.780945][ T140] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.790290][ T140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.803014][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 98.839769][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 98.854192][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 98.865936][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.878888][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.891549][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 98.902163][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.934482][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 98.948725][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.962744][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 98.973921][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.009092][ T4273] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.140017][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 99.149122][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 99.167512][ T4273] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.203698][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 99.215000][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 99.251260][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 99.261194][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 99.276475][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 99.286982][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 99.313287][ T4273] device veth0_vlan entered promiscuous mode [ 99.328551][ T9] device hsr_slave_0 left promiscuous mode [ 99.338769][ T9] device hsr_slave_1 left promiscuous mode [ 99.348492][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.358322][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 99.368757][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 99.379529][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 99.389725][ T9] device bridge_slave_1 left promiscuous mode [ 99.398776][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.414333][ T9] device bridge_slave_0 left promiscuous mode [ 99.422200][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.445044][ T9] device veth1_macvtap left promiscuous mode [ 99.454110][ T9] device veth0_macvtap left promiscuous mode [ 99.463883][ T9] device veth1_vlan left promiscuous mode [ 99.471888][ T9] device veth0_vlan left promiscuous mode [ 99.670820][ T9] team0 (unregistering): Port device team_slave_1 removed [ 99.684792][ T9] team0 (unregistering): Port device team_slave_0 removed [ 99.702425][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 99.720693][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 99.799193][ T9] bond0 (unregistering): Released all slaves [ 99.864573][ T4273] device veth1_vlan entered promiscuous mode [ 99.876735][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 99.909082][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 99.921629][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 99.936285][ T4273] device veth0_macvtap entered promiscuous mode [ 99.953155][ T4273] device veth1_macvtap entered promiscuous mode [ 99.970505][ T4273] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.982059][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 99.994853][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 100.007679][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 100.019723][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 100.036717][ T4273] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.046844][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 100.064783][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 100.080457][ T4273] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.094555][ T4273] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.109090][ T4273] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.119919][ T4273] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.223231][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.248185][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.260184][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 100.260326][ T3069] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.282120][ T3069] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.306817][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 100.484680][ T4329] [ 100.487592][ T4329] ====================================================== [ 100.496131][ T4329] WARNING: possible circular locking dependency detected [ 100.504341][ T4329] 5.15.185-syzkaller #0 Not tainted [ 100.518032][ T4329] ------------------------------------------------------ [ 100.527195][ T4329] syz.0.16/4329 is trying to acquire lock: [ 100.534883][ T4329] ffff888022fd0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 100.548956][ T4329] [ 100.548956][ T4329] but task is already holding lock: [ 100.558140][ T4329] ffffffff8d4b2748 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 100.570656][ T4329] [ 100.570656][ T4329] which lock already depends on the new lock. [ 100.570656][ T4329] [ 100.584291][ T4329] [ 100.584291][ T4329] the existing dependency chain (in reverse order) is: [ 100.595082][ T4329] [ 100.595082][ T4329] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 100.604002][ T4329] __mutex_lock_common+0x1eb/0x2390 [ 100.611276][ T4329] mutex_lock_nested+0x17/0x20 [ 100.617255][ T4329] rfkill_register+0x33/0x8a0 [ 100.624620][ T4329] hci_register_dev+0x452/0x970 [ 100.633675][ T4329] vhci_create_device+0x32c/0x5c0 [ 100.640212][ T4329] vhci_write+0x391/0x450 [ 100.647113][ T4329] vfs_write+0x712/0xd00 [ 100.652999][ T4329] ksys_write+0x14d/0x250 [ 100.658652][ T4329] do_syscall_64+0x4c/0xa0 [ 100.664755][ T4329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 100.672938][ T4329] [ 100.672938][ T4329] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 100.682745][ T4329] __mutex_lock_common+0x1eb/0x2390 [ 100.689459][ T4329] mutex_lock_nested+0x17/0x20 [ 100.696307][ T4329] vhci_send_frame+0x88/0x100 [ 100.703148][ T4329] hci_send_frame+0x1a9/0x2e0 [ 100.709833][ T4329] hci_tx_work+0x9f9/0x1710 [ 100.715083][ T4329] process_one_work+0x863/0x1000 [ 100.721642][ T4329] worker_thread+0xaa8/0x12a0 [ 100.730618][ T4329] kthread+0x436/0x520 [ 100.736124][ T4329] ret_from_fork+0x1f/0x30 [ 100.736387][ T4237] Bluetooth: hci0: command 0x040f tx timeout [ 100.743142][ T4329] [ 100.743142][ T4329] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 100.765217][ T4329] __flush_work+0xdd/0x1b0 [ 100.771218][ T4329] hci_dev_do_close+0x1e7/0x1030 [ 100.778525][ T4329] hci_unregister_dev+0x2d7/0x580 [ 100.786788][ T4329] vhci_release+0x73/0xc0 [ 100.792904][ T4329] __fput+0x234/0x930 [ 100.798030][ T4329] task_work_run+0x125/0x1a0 [ 100.804768][ T4329] do_exit+0x616/0x20a0 [ 100.810750][ T4329] do_group_exit+0x12e/0x300 [ 100.817121][ T4329] get_signal+0x6ca/0x12c0 [ 100.823395][ T4329] arch_do_signal_or_restart+0xc1/0x1300 [ 100.830033][ T4329] exit_to_user_mode_loop+0x9e/0x130 [ 100.837664][ T4329] exit_to_user_mode_prepare+0xb1/0x140 [ 100.845911][ T4329] syscall_exit_to_user_mode+0x16/0x40 [ 100.854981][ T4329] do_syscall_64+0x58/0xa0 [ 100.861619][ T4329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 100.868877][ T4329] [ 100.868877][ T4329] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 100.880661][ T4329] __mutex_lock_common+0x1eb/0x2390 [ 100.887997][ T4329] mutex_lock_nested+0x17/0x20 [ 100.894742][ T4329] bg_scan_update+0x44/0x3b0 [ 100.900633][ T4329] process_one_work+0x863/0x1000 [ 100.907607][ T4329] worker_thread+0xaa8/0x12a0 [ 100.916377][ T4329] kthread+0x436/0x520 [ 100.923533][ T4329] ret_from_fork+0x1f/0x30 [ 100.930337][ T4329] [ 100.930337][ T4329] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 100.941730][ T4329] __lock_acquire+0x2c33/0x7c60 [ 100.948316][ T4329] lock_acquire+0x197/0x3f0 [ 100.954561][ T4329] __flush_work+0xdd/0x1b0 [ 100.960023][ T4329] __cancel_work_timer+0x3ac/0x520 [ 100.966260][ T4329] hci_request_cancel_all+0xcc/0x300 [ 100.973410][ T4329] hci_dev_do_close+0x4e/0x1030 [ 100.981003][ T4329] hci_rfkill_set_block+0x10a/0x190 [ 100.988012][ T4329] rfkill_set_block+0x1c6/0x420 [ 100.995033][ T4329] rfkill_fop_write+0x458/0x560 [ 101.003156][ T4329] vfs_write+0x300/0xd00 [ 101.010113][ T4329] ksys_write+0x14d/0x250 [ 101.017460][ T4329] do_syscall_64+0x4c/0xa0 [ 101.024517][ T4329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 101.032053][ T4329] [ 101.032053][ T4329] other info that might help us debug this: [ 101.032053][ T4329] [ 101.045560][ T4329] Chain exists of: [ 101.045560][ T4329] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 101.045560][ T4329] [ 101.067852][ T4329] Possible unsafe locking scenario: [ 101.067852][ T4329] [ 101.077905][ T4329] CPU0 CPU1 [ 101.084438][ T4329] ---- ---- [ 101.090622][ T4329] lock(rfkill_global_mutex); [ 101.095697][ T4329] lock(&data->open_mutex); [ 101.104878][ T4329] lock(rfkill_global_mutex); [ 101.115065][ T4329] lock((work_completion)(&hdev->bg_scan_update)); [ 101.125276][ T4329] [ 101.125276][ T4329] *** DEADLOCK *** [ 101.125276][ T4329] [ 101.135159][ T4329] 1 lock held by syz.0.16/4329: [ 101.141170][ T4329] #0: ffffffff8d4b2748 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 101.155098][ T4329] [ 101.155098][ T4329] stack backtrace: [ 101.162072][ T4329] CPU: 0 PID: 4329 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 [ 101.176122][ T4329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 101.190091][ T4329] Call Trace: [ 101.193953][ T4329] [ 101.197276][ T4329] dump_stack_lvl+0x168/0x230 [ 101.203070][ T4329] ? load_image+0x3b0/0x3b0 [ 101.208137][ T4329] ? show_regs_print_info+0x20/0x20 [ 101.215791][ T4329] ? print_circular_bug+0x12b/0x1a0 [ 101.221939][ T4329] check_noncircular+0x274/0x310 [ 101.227699][ T4329] ? add_chain_block+0x940/0x940 [ 101.235666][ T4329] ? lockdep_lock+0xdc/0x1e0 [ 101.241007][ T4329] ? __lock_acquire+0x12d9/0x7c60 [ 101.248084][ T4329] ? lockdep_lock+0x1e0/0x1e0 [ 101.255156][ T4329] ? mark_lock+0x94/0x320 [ 101.260766][ T4329] __lock_acquire+0x2c33/0x7c60 [ 101.266986][ T4329] ? verify_lock_unused+0x140/0x140 [ 101.272747][ T4329] ? verify_lock_unused+0x140/0x140 [ 101.278696][ T4329] lock_acquire+0x197/0x3f0 [ 101.283691][ T4329] ? __flush_work+0xc1/0x1b0 [ 101.289371][ T4329] ? __lock_acquire+0x7c60/0x7c60 [ 101.294830][ T4329] ? read_lock_is_recursive+0x10/0x10 [ 101.302176][ T4329] ? start_flush_work+0x776/0x820 [ 101.309095][ T4329] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 101.316702][ T4329] ? _raw_spin_unlock+0x40/0x40 [ 101.321884][ T4329] __flush_work+0xdd/0x1b0 [ 101.327511][ T4329] ? __flush_work+0xc1/0x1b0 [ 101.332668][ T4329] ? flush_work+0x20/0x20 [ 101.337357][ T4329] ? try_to_grab_pending+0xf3/0x7e0 [ 101.343574][ T4329] ? lockdep_hardirqs_off+0x70/0x100 [ 101.353444][ T4329] ? mark_lock+0x94/0x320 [ 101.358558][ T4329] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 101.364997][ T4329] ? lock_chain_count+0x20/0x20 [ 101.373357][ T4329] ? mark_lock+0x94/0x320 [ 101.378362][ T4329] ? __cancel_work_timer+0x331/0x520 [ 101.384791][ T4329] __cancel_work_timer+0x3ac/0x520 [ 101.392562][ T4329] ? cancel_work_sync+0x20/0x20 [ 101.398993][ T4329] ? __cancel_work+0x1f4/0x2d0 [ 101.405783][ T4329] ? lockdep_hardirqs_on+0x94/0x140 [ 101.412463][ T4329] ? __cancel_work+0x26f/0x2d0 [ 101.418462][ T4329] ? cancel_work+0x20/0x20 [ 101.425469][ T4329] ? lock_chain_count+0x20/0x20 [ 101.430886][ T4329] hci_request_cancel_all+0xcc/0x300 [ 101.436705][ T4329] hci_dev_do_close+0x4e/0x1030 [ 101.442939][ T4329] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 101.450005][ T4329] ? _raw_spin_unlock+0x40/0x40 [ 101.456079][ T4329] hci_rfkill_set_block+0x10a/0x190 [ 101.462590][ T4329] ? rcu_lock_release+0x20/0x20 [ 101.470532][ T4329] rfkill_set_block+0x1c6/0x420 [ 101.475817][ T4329] rfkill_fop_write+0x458/0x560 [ 101.482234][ T4329] ? verify_lock_unused+0x140/0x140 [ 101.488689][ T4329] ? rfkill_fop_read+0x4b0/0x4b0 [ 101.494749][ T4329] ? common_file_perm+0x160/0x1c0 [ 101.501118][ T4329] ? fsnotify_perm+0x5d/0x560 [ 101.507904][ T4329] ? security_file_permission+0x75/0xa0 [ 101.515354][ T4329] ? rfkill_fop_read+0x4b0/0x4b0 [ 101.521758][ T4329] vfs_write+0x300/0xd00 [ 101.528087][ T4329] ? file_end_write+0x250/0x250 [ 101.534178][ T4329] ? __context_tracking_exit+0x4c/0x80 [ 101.540403][ T4329] ? __lock_acquire+0x7c60/0x7c60 [ 101.546958][ T4329] ? __fdget_pos+0x1e2/0x370 [ 101.552986][ T4329] ksys_write+0x14d/0x250 [ 101.558529][ T4329] ? __ia32_sys_read+0x80/0x80 [ 101.565348][ T4329] ? lockdep_hardirqs_on+0x94/0x140 [ 101.572061][ T4329] do_syscall_64+0x4c/0xa0 [ 101.576974][ T4329] ? clear_bhb_loop+0x30/0x80 [ 101.583814][ T4329] ? clear_bhb_loop+0x30/0x80 [ 101.589306][ T4329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 101.601325][ T4329] RIP: 0033:0x7f1302b77929 [ 101.606541][ T4329] 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 [ 101.639520][ T4329] RSP: 002b:00007ffd2c4adb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 101.649289][ T4329] RAX: ffffffffffffffda RBX: 00007f1302d9efa0 RCX: 00007f1302b77929 [ 101.658365][ T4329] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 101.668632][ T4329] RBP: 00007f1302bf9b39 R08: 0000000000000000 R09: 0000000000000000 [ 101.682287][ T4329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 101.694003][ T4329] R13: 00007f1302d9efa0 R14: 00007f1302d9efa0 R15: 0000000000000003 [ 101.704848][ T4329]