Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. 2025/03/05 06:10:33 ignoring optional flag "sandboxArg"="0" 2025/03/05 06:10:34 parsed 1 programs syzkaller login: [ 55.488806][ T4171] cgroup: Unknown subsys name 'net' [ 55.589274][ T4171] cgroup: Unknown subsys name 'rlimit' [ 56.862643][ T4171] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 58.661787][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.676535][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.686392][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.700274][ T1268] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.708714][ T1268] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.717350][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.503125][ T4214] chnl_net:caif_netlink_parms(): no params data found [ 59.588504][ T4214] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.596294][ T4214] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.604393][ T4214] device bridge_slave_0 entered promiscuous mode [ 59.614397][ T4214] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.621496][ T4214] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.629957][ T4214] device bridge_slave_1 entered promiscuous mode [ 59.657062][ T4214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.668487][ T4214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.697538][ T4214] team0: Port device team_slave_0 added [ 59.705448][ T4214] team0: Port device team_slave_1 added [ 59.728364][ T4214] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.736315][ T4214] 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. [ 59.762555][ T4214] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.775634][ T4214] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.782585][ T4214] 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. [ 59.808539][ T4214] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.849129][ T4214] device hsr_slave_0 entered promiscuous mode [ 59.857550][ T4214] device hsr_slave_1 entered promiscuous mode [ 59.998167][ T4214] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.010074][ T4214] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.019668][ T4214] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.030076][ T4214] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.059090][ T4214] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.066353][ T4214] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.074539][ T4214] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.081619][ T4214] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.140660][ T4214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.152955][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.163514][ T1268] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.173074][ T1268] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.181310][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.196336][ T4214] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.210305][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.224064][ T1268] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.231216][ T1268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.260616][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.269272][ T1268] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.276388][ T1268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.315900][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.325578][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.342529][ T4214] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.353055][ T4214] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.372068][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.380959][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.396880][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.405397][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.480753][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.488648][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.501041][ T4214] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.516749][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.526075][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.543212][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.552967][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.561779][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.570446][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.580162][ T4214] device veth0_vlan entered promiscuous mode [ 60.590282][ T4214] device veth1_vlan entered promiscuous mode [ 60.608133][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.617116][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.625725][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.634186][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.646912][ T4214] device veth0_macvtap entered promiscuous mode [ 60.658452][ T4214] device veth1_macvtap entered promiscuous mode [ 60.671699][ T4214] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.680734][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.690080][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.698797][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.707848][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.733381][ T4214] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.741551][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.750340][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.762115][ T4214] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.771549][ T4214] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.781583][ T4214] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.790897][ T4214] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.926501][ T4214] syz-executor (4214) used greatest stack depth: 19576 bytes left 2025/03/05 06:10:42 executed programs: 0 [ 62.219458][ T4263] chnl_net:caif_netlink_parms(): no params data found [ 62.284827][ T4263] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.291978][ T4263] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.302718][ T4263] device bridge_slave_0 entered promiscuous mode [ 62.311905][ T4263] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.321662][ T4263] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.330369][ T4263] device bridge_slave_1 entered promiscuous mode [ 62.363752][ T4263] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.375666][ T4263] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.407898][ T4263] team0: Port device team_slave_0 added [ 62.419251][ T4263] team0: Port device team_slave_1 added [ 62.442260][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.451648][ 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. [ 62.480753][ T4263] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.493696][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.503281][ 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. [ 62.532007][ T4263] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.574084][ T4263] device hsr_slave_0 entered promiscuous mode [ 62.581093][ T4263] device hsr_slave_1 entered promiscuous mode [ 62.588027][ T4263] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.595904][ T4263] Cannot create hsr debugfs directory [ 62.680830][ T4263] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.155236][ T4227] Bluetooth: hci0: command 0x0409 tx timeout [ 65.781122][ T4263] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.860227][ T4263] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.901814][ T4263] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.990688][ T4263] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.002147][ T4263] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.023655][ T4263] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.032294][ T4263] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.092002][ T4263] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.105819][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.113613][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.125238][ T4263] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.140354][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.149522][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.159690][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.166870][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.176357][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.187322][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.196365][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.205029][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.212123][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.233126][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.241524][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 66.246784][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.259290][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.268776][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.278288][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.303408][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.312285][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.323887][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.334087][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.358516][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.367777][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.377882][ T4263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.449516][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.458155][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.479575][ T4263] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.496196][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.505719][ T1268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.525010][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.533243][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.547870][ T438] device hsr_slave_0 left promiscuous mode [ 66.554193][ T438] device hsr_slave_1 left promiscuous mode [ 66.560968][ T438] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 66.568853][ T438] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 66.577612][ T438] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 66.585134][ T438] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 66.592612][ T438] device bridge_slave_1 left promiscuous mode [ 66.599732][ T438] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.611692][ T438] device bridge_slave_0 left promiscuous mode [ 66.618973][ T438] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.635488][ T438] device veth1_macvtap left promiscuous mode [ 66.641676][ T438] device veth0_macvtap left promiscuous mode [ 66.648267][ T438] device veth1_vlan left promiscuous mode [ 66.654171][ T438] device veth0_vlan left promiscuous mode [ 66.783070][ T438] team0 (unregistering): Port device team_slave_1 removed [ 66.793984][ T438] team0 (unregistering): Port device team_slave_0 removed [ 66.810236][ T438] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.824096][ T438] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.872898][ T438] bond0 (unregistering): Released all slaves [ 66.939434][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.947225][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.958426][ T4263] device veth0_vlan entered promiscuous mode [ 66.973190][ T4263] device veth1_vlan entered promiscuous mode [ 67.000687][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.009291][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.017971][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.026729][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.038178][ T4263] device veth0_macvtap entered promiscuous mode [ 67.047755][ T4263] device veth1_macvtap entered promiscuous mode [ 67.063565][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.072443][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.081023][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.088933][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.097619][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.110322][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.128740][ T4263] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.137770][ T4263] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.146805][ T4263] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.156266][ T4263] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.166048][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.175553][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.223018][ T1268] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.232947][ T1268] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.252906][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.268002][ T1268] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.281883][ T1268] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.292372][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.367750][ T4275] [ 67.370110][ T4275] ====================================================== [ 67.377125][ T4275] WARNING: possible circular locking dependency detected [ 67.384131][ T4275] 5.15.178-syzkaller #0 Not tainted [ 67.389310][ T4275] ------------------------------------------------------ [ 67.396315][ T4275] syz.0.16/4275 is trying to acquire lock: [ 67.402104][ T4275] ffff88807e3d8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 67.413165][ T4275] [ 67.413165][ T4275] but task is already holding lock: [ 67.420532][ T4275] ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 67.430194][ T4275] [ 67.430194][ T4275] which lock already depends on the new lock. [ 67.430194][ T4275] [ 67.440593][ T4275] [ 67.440593][ T4275] the existing dependency chain (in reverse order) is: [ 67.449601][ T4275] [ 67.449601][ T4275] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.457594][ T4275] lock_acquire+0x1db/0x4f0 [ 67.462616][ T4275] __mutex_lock_common+0x1da/0x25a0 [ 67.468330][ T4275] mutex_lock_nested+0x17/0x20 [ 67.473606][ T4275] rfkill_register+0x30/0x880 [ 67.478795][ T4275] hci_register_dev+0x4dd/0xa50 [ 67.484161][ T4275] vhci_create_device+0x310/0x590 [ 67.489711][ T4275] vhci_write+0x382/0x430 [ 67.494554][ T4275] vfs_write+0xacd/0xe50 [ 67.499313][ T4275] ksys_write+0x1a2/0x2c0 [ 67.504153][ T4275] do_syscall_64+0x3b/0xb0 [ 67.509081][ T4275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.515488][ T4275] [ 67.515488][ T4275] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.523306][ T4275] lock_acquire+0x1db/0x4f0 [ 67.528337][ T4275] __mutex_lock_common+0x1da/0x25a0 [ 67.534055][ T4275] mutex_lock_nested+0x17/0x20 [ 67.539333][ T4275] vhci_send_frame+0x8a/0xf0 [ 67.544438][ T4275] hci_send_frame+0x1af/0x2f0 [ 67.549632][ T4275] hci_tx_work+0xb2e/0x1a30 [ 67.554654][ T4275] process_one_work+0x8a1/0x10c0 [ 67.560110][ T4275] worker_thread+0xaca/0x1280 [ 67.565313][ T4275] kthread+0x3f6/0x4f0 [ 67.569897][ T4275] ret_from_fork+0x1f/0x30 [ 67.574828][ T4275] [ 67.574828][ T4275] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.584035][ T4275] lock_acquire+0x1db/0x4f0 [ 67.589051][ T4275] __flush_work+0xeb/0x1a0 [ 67.593967][ T4275] hci_dev_do_close+0x20a/0x1070 [ 67.599413][ T4275] hci_unregister_dev+0x2d7/0x580 [ 67.604936][ T4275] vhci_release+0x73/0xc0 [ 67.609765][ T4275] __fput+0x3fe/0x8e0 [ 67.614247][ T4275] task_work_run+0x129/0x1a0 [ 67.619343][ T4275] do_exit+0x6a3/0x2480 [ 67.624013][ T4275] do_group_exit+0x144/0x310 [ 67.629104][ T4275] get_signal+0xc66/0x14e0 [ 67.634022][ T4275] arch_do_signal_or_restart+0xc3/0x1890 [ 67.640160][ T4275] exit_to_user_mode_loop+0x97/0x130 [ 67.645942][ T4275] exit_to_user_mode_prepare+0xb1/0x140 [ 67.651997][ T4275] syscall_exit_to_user_mode+0x5d/0x240 [ 67.658046][ T4275] do_syscall_64+0x47/0xb0 [ 67.662961][ T4275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.669362][ T4275] [ 67.669362][ T4275] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.676991][ T4275] lock_acquire+0x1db/0x4f0 [ 67.682010][ T4275] __mutex_lock_common+0x1da/0x25a0 [ 67.687715][ T4275] mutex_lock_nested+0x17/0x20 [ 67.692994][ T4275] bg_scan_update+0xa1/0x4a0 [ 67.698083][ T4275] process_one_work+0x8a1/0x10c0 [ 67.703532][ T4275] worker_thread+0xaca/0x1280 [ 67.708808][ T4275] kthread+0x3f6/0x4f0 [ 67.713375][ T4275] ret_from_fork+0x1f/0x30 [ 67.718308][ T4275] [ 67.718308][ T4275] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.728115][ T4275] validate_chain+0x1649/0x5930 [ 67.733485][ T4275] __lock_acquire+0x1295/0x1ff0 [ 67.738851][ T4275] lock_acquire+0x1db/0x4f0 [ 67.743855][ T4275] __flush_work+0xeb/0x1a0 [ 67.748779][ T4275] __cancel_work_timer+0x519/0x6a0 [ 67.754391][ T4275] hci_request_cancel_all+0xcb/0x300 [ 67.760176][ T4275] hci_dev_do_close+0x51/0x1070 [ 67.765534][ T4275] hci_rfkill_set_block+0x114/0x1a0 [ 67.771252][ T4275] rfkill_set_block+0x1e7/0x430 [ 67.776612][ T4275] rfkill_fop_write+0x5b7/0x790 [ 67.781995][ T4275] vfs_write+0x30c/0xe50 [ 67.786750][ T4275] ksys_write+0x1a2/0x2c0 [ 67.791594][ T4275] do_syscall_64+0x3b/0xb0 [ 67.796681][ T4275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.803090][ T4275] [ 67.803090][ T4275] other info that might help us debug this: [ 67.803090][ T4275] [ 67.813304][ T4275] Chain exists of: [ 67.813304][ T4275] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.813304][ T4275] [ 67.829025][ T4275] Possible unsafe locking scenario: [ 67.829025][ T4275] [ 67.836481][ T4275] CPU0 CPU1 [ 67.841826][ T4275] ---- ---- [ 67.847166][ T4275] lock(rfkill_global_mutex); [ 67.851917][ T4275] lock(&data->open_mutex); [ 67.859022][ T4275] lock(rfkill_global_mutex); [ 67.866293][ T4275] lock((work_completion)(&hdev->bg_scan_update)); [ 67.872862][ T4275] [ 67.872862][ T4275] *** DEADLOCK *** [ 67.872862][ T4275] [ 67.880995][ T4275] 1 lock held by syz.0.16/4275: [ 67.885917][ T4275] #0: ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 67.896062][ T4275] [ 67.896062][ T4275] stack backtrace: [ 67.901960][ T4275] CPU: 1 PID: 4275 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 67.909925][ T4275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 67.920090][ T4275] Call Trace: [ 67.923361][ T4275] [ 67.926276][ T4275] dump_stack_lvl+0x1e3/0x2d0 [ 67.931038][ T4275] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 67.936665][ T4275] ? print_circular_bug+0x12b/0x1a0 [ 67.941954][ T4275] check_noncircular+0x2f8/0x3b0 [ 67.946898][ T4275] ? add_chain_block+0x850/0x850 [ 67.951830][ T4275] ? lockdep_lock+0x11f/0x2a0 [ 67.956494][ T4275] validate_chain+0x1649/0x5930 [ 67.961413][ T4275] ? validate_chain+0x112/0x5930 [ 67.966348][ T4275] ? reacquire_held_locks+0x660/0x660 [ 67.971710][ T4275] ? validate_chain+0x112/0x5930 [ 67.976639][ T4275] ? mark_lock+0x98/0x340 [ 67.980961][ T4275] ? look_up_lock_class+0x77/0x120 [ 67.986093][ T4275] ? register_lock_class+0x100/0x9a0 [ 67.991366][ T4275] ? mark_lock+0x98/0x340 [ 67.995684][ T4275] ? is_dynamic_key+0x1f0/0x1f0 [ 68.000532][ T4275] ? __lock_acquire+0x1295/0x1ff0 [ 68.005549][ T4275] ? mark_lock+0x98/0x340 [ 68.009857][ T4275] __lock_acquire+0x1295/0x1ff0 [ 68.014701][ T4275] lock_acquire+0x1db/0x4f0 [ 68.019180][ T4275] ? __flush_work+0xcf/0x1a0 [ 68.023759][ T4275] ? rcu_lock_release+0x5/0x20 [ 68.028500][ T4275] ? read_lock_is_recursive+0x10/0x10 [ 68.033851][ T4275] ? start_flush_work+0x776/0x820 [ 68.038857][ T4275] __flush_work+0xeb/0x1a0 [ 68.043332][ T4275] ? __flush_work+0xcf/0x1a0 [ 68.047898][ T4275] ? flush_work+0x20/0x20 [ 68.052209][ T4275] ? print_irqtrace_events+0x210/0x210 [ 68.057651][ T4275] ? lock_timer_base+0x260/0x260 [ 68.062570][ T4275] ? __cancel_work_timer+0x467/0x6a0 [ 68.067833][ T4275] __cancel_work_timer+0x519/0x6a0 [ 68.072928][ T4275] ? cancel_work_sync+0x20/0x20 [ 68.077774][ T4275] ? lockdep_hardirqs_on+0x94/0x130 [ 68.082955][ T4275] ? __cancel_work+0x2ef/0x380 [ 68.087727][ T4275] ? cancel_work+0x20/0x20 [ 68.092126][ T4275] ? print_irqtrace_events+0x210/0x210 [ 68.097585][ T4275] hci_request_cancel_all+0xcb/0x300 [ 68.102852][ T4275] hci_dev_do_close+0x51/0x1070 [ 68.107687][ T4275] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 68.113563][ T4275] ? _raw_spin_unlock+0x40/0x40 [ 68.118394][ T4275] hci_rfkill_set_block+0x114/0x1a0 [ 68.123582][ T4275] ? rcu_lock_release+0x20/0x20 [ 68.128430][ T4275] rfkill_set_block+0x1e7/0x430 [ 68.133272][ T4275] rfkill_fop_write+0x5b7/0x790 [ 68.138107][ T4275] ? mark_lock+0x98/0x340 [ 68.142422][ T4275] ? rfkill_fop_read+0x470/0x470 [ 68.147344][ T4275] ? fsnotify_perm+0x64/0x590 [ 68.152004][ T4275] ? security_file_permission+0x75/0xa0 [ 68.157529][ T4275] ? rfkill_fop_read+0x470/0x470 [ 68.162461][ T4275] vfs_write+0x30c/0xe50 [ 68.166685][ T4275] ? file_end_write+0x250/0x250 [ 68.171516][ T4275] ? read_lock_is_recursive+0x10/0x10 [ 68.176865][ T4275] ? __context_tracking_exit+0x4c/0x80 [ 68.182305][ T4275] ? __lock_acquire+0x1ff0/0x1ff0 [ 68.187326][ T4275] ? __fdget_pos+0x1e9/0x380 [ 68.191914][ T4275] ksys_write+0x1a2/0x2c0 [ 68.196247][ T4275] ? print_irqtrace_events+0x210/0x210 [ 68.201712][ T4275] ? __ia32_sys_read+0x80/0x80 [ 68.206467][ T4275] ? syscall_enter_from_user_mode+0x2e/0x240 [ 68.212434][ T4275] ? lockdep_hardirqs_on+0x94/0x130 [ 68.217636][ T4275] ? syscall_enter_from_user_mode+0x2e/0x240 [ 68.223598][ T4275] do_syscall_64+0x3b/0xb0 [ 68.227995][ T4275] ? clear_bhb_loop+0x15/0x70 [ 68.232658][ T4275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.238530][ T4275] RIP: 0033:0x7fd67c8c9169 [ 68.242926][ T4275] 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 [ 68.262511][ T4275] RSP: 002b:00007ffdacd30288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.270904][ T4275] RAX: ffffffffffffffda RBX: 00007fd67cae1fa0 RCX: 00007fd67c8c9169 [ 68.278854][ T4275] RDX: 0000000000000008 RSI: 0000400000000300 RDI: 0000000000000003 [ 68.286803][ T4275] RBP: 00007fd67c94a2a0 R08: 0000000000000000 R09: 0000000000000000 [ 68.294752][ T4275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.302700][ T4275] R13: 00007fd67cae1fa0 R14: 00007fd67cae1fa0 R15: 0000000000000003 [ 68.310654][ T4275] [ 68.317487][ T4236] Bluetooth: hci0: command 0x040f tx timeout