Warning: Permanently added '10.128.1.31' (ED25519) to the list of known hosts. 2025/02/21 14:38:54 ignoring optional flag "sandboxArg"="0" 2025/02/21 14:38:56 parsed 1 programs [ 87.656598][ T4173] cgroup: Unknown subsys name 'net' [ 87.818724][ T4173] cgroup: Unknown subsys name 'rlimit' [ 89.608399][ T4173] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 91.586556][ T1240] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.599175][ T1240] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.611613][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 91.631851][ T140] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.639988][ T140] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.652000][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 94.287524][ T4254] chnl_net:caif_netlink_parms(): no params data found [ 94.354028][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.368856][ T4254] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.383157][ T4254] device bridge_slave_0 entered promiscuous mode [ 94.395736][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.408012][ T4254] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.419809][ T4254] device bridge_slave_1 entered promiscuous mode [ 94.472572][ T4254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.491034][ T4254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.524888][ T4254] team0: Port device team_slave_0 added [ 94.535125][ T4254] team0: Port device team_slave_1 added [ 94.582604][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.591197][ T4254] 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. [ 94.625313][ T4254] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.642235][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.651489][ T4254] 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. [ 94.695827][ T4254] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.767136][ T4254] device hsr_slave_0 entered promiscuous mode [ 94.776690][ T4254] device hsr_slave_1 entered promiscuous mode [ 94.939919][ T4254] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.953204][ T4254] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.966123][ T4254] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.977295][ T4254] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.105673][ T4254] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.146716][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.161705][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.175378][ T4254] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.193459][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 95.206292][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 95.223715][ T140] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.234560][ T140] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.249100][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 95.283964][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 95.298797][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 95.313876][ T140] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.324276][ T140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.333268][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 95.353484][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 95.366085][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 95.380206][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 95.429358][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 95.443314][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 95.455551][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 95.470415][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 95.502568][ T4254] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 95.517880][ T4254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 95.530903][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 95.660105][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 95.669273][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 95.685674][ T4254] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.719020][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 95.747904][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 95.764498][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 95.779269][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 95.791504][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 95.805506][ T4254] device veth0_vlan entered promiscuous mode [ 95.824826][ T4254] device veth1_vlan entered promiscuous mode [ 95.856185][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 95.867367][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 95.892379][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 95.905765][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 95.918207][ T4254] device veth0_macvtap entered promiscuous mode [ 95.931794][ T4254] device veth1_macvtap entered promiscuous mode [ 95.955800][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.971416][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 95.980460][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 95.996094][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 96.009359][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 96.024454][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.035715][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 96.049790][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 96.063879][ T4254] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.076083][ T4254] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.087925][ T4254] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.098717][ T4254] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.265923][ T4254] syz-executor (4254) used greatest stack depth: 19168 bytes left 2025/02/21 14:39:08 executed programs: 0 [ 97.062462][ T4270] chnl_net:caif_netlink_parms(): no params data found [ 97.136778][ T4270] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.145763][ T4270] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.158510][ T4270] device bridge_slave_0 entered promiscuous mode [ 97.176546][ T4270] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.185690][ T4270] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.197735][ T4270] device bridge_slave_1 entered promiscuous mode [ 97.230076][ T4270] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.246617][ T4270] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.279780][ T4270] team0: Port device team_slave_0 added [ 97.294942][ T4270] team0: Port device team_slave_1 added [ 97.324572][ T4270] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.334778][ T4270] 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. [ 97.376066][ T4270] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.398075][ T4270] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.408487][ T4270] 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. [ 97.447733][ T4270] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.509773][ T4270] device hsr_slave_0 entered promiscuous mode [ 97.519573][ T4270] device hsr_slave_1 entered promiscuous mode [ 97.534801][ T4270] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 97.545038][ T4270] Cannot create hsr debugfs directory [ 97.674211][ T4270] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.795324][ T1111] cfg80211: failed to load regulatory.db [ 98.913234][ T4248] Bluetooth: hci0: command 0x0409 tx timeout [ 100.192055][ T4270] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.588132][ T4270] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.670551][ T4270] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.815441][ T4270] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.850582][ T4270] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.874214][ T4270] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.890707][ T4270] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.985309][ T4270] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.003885][ T4186] Bluetooth: hci0: command 0x041b tx timeout [ 101.036071][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.049356][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.078948][ T4270] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.096360][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 101.107621][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 101.119677][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.129781][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.145780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 101.163038][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 101.181588][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 101.191919][ T140] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.208717][ T140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.242878][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 101.257691][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 101.273906][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 101.288957][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 101.304121][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 101.328374][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 101.341950][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 101.369886][ T1240] device hsr_slave_0 left promiscuous mode [ 101.383643][ T1240] device hsr_slave_1 left promiscuous mode [ 101.395605][ T1240] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 101.409464][ T1240] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 101.420209][ T1240] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 101.430206][ T1240] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 101.446360][ T1240] device bridge_slave_1 left promiscuous mode [ 101.457601][ T1240] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.479751][ T1240] device bridge_slave_0 left promiscuous mode [ 101.490697][ T1240] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.522801][ T1240] device veth1_macvtap left promiscuous mode [ 101.534082][ T1240] device veth0_macvtap left promiscuous mode [ 101.544215][ T1240] device veth1_vlan left promiscuous mode [ 101.554009][ T1240] device veth0_vlan left promiscuous mode [ 101.756428][ T1240] team0 (unregistering): Port device team_slave_1 removed [ 101.780310][ T1240] team0 (unregistering): Port device team_slave_0 removed [ 101.798890][ T1240] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.829298][ T1240] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.913980][ T1240] bond0 (unregistering): Released all slaves [ 101.973726][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 101.988043][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 102.009369][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 102.021756][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 102.041947][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 102.163458][ T4270] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.180546][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 102.192961][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 102.210261][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 102.226109][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 102.252682][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 102.268255][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 102.278911][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 102.291034][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 102.302791][ T4270] device veth0_vlan entered promiscuous mode [ 102.329070][ T4270] device veth1_vlan entered promiscuous mode [ 102.365097][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 102.376275][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 102.391665][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 102.403250][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 102.417360][ T4270] device veth0_macvtap entered promiscuous mode [ 102.428539][ T4270] device veth1_macvtap entered promiscuous mode [ 102.453005][ T4270] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.466071][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 102.477496][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 102.491840][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 102.507419][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 102.526052][ T4270] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.551644][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 102.565296][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 102.586338][ T4270] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.601581][ T4270] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.615850][ T4270] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.626925][ T4270] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.704262][ T140] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.734841][ T140] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.773247][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 102.793398][ T140] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.807245][ T140] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.824508][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 102.929977][ T4286] [ 102.935100][ T4286] ====================================================== [ 102.945982][ T4286] WARNING: possible circular locking dependency detected [ 102.956011][ T4286] 5.15.178-syzkaller #0 Not tainted [ 102.965044][ T4286] ------------------------------------------------------ [ 102.976123][ T4286] syz.0.16/4286 is trying to acquire lock: [ 102.988036][ T4286] ffff88807aac8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 103.000455][ T4286] [ 103.000455][ T4286] but task is already holding lock: [ 103.010341][ T4286] ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 103.023510][ T4286] [ 103.023510][ T4286] which lock already depends on the new lock. [ 103.023510][ T4286] [ 103.040383][ T4286] [ 103.040383][ T4286] the existing dependency chain (in reverse order) is: [ 103.051724][ T4286] [ 103.051724][ T4286] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 103.061518][ T4286] lock_acquire+0x1db/0x4f0 [ 103.066755][ T4286] __mutex_lock_common+0x1da/0x25a0 [ 103.073160][ T4286] mutex_lock_nested+0x17/0x20 [ 103.079199][ T4286] rfkill_register+0x30/0x880 [ 103.086182][ T4286] hci_register_dev+0x4dd/0xa50 [ 103.093193][ T4286] vhci_create_device+0x310/0x590 [ 103.102648][ T4286] vhci_write+0x382/0x430 [ 103.109526][ T4286] vfs_write+0xacd/0xe50 [ 103.117829][ T4286] ksys_write+0x1a2/0x2c0 [ 103.123848][ T4286] do_syscall_64+0x3b/0xb0 [ 103.131407][ T4286] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 103.140475][ T4286] [ 103.140475][ T4286] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 103.152727][ T4286] lock_acquire+0x1db/0x4f0 [ 103.160826][ T4286] __mutex_lock_common+0x1da/0x25a0 [ 103.168816][ T4286] mutex_lock_nested+0x17/0x20 [ 103.178923][ T4286] vhci_send_frame+0x8a/0xf0 [ 103.186362][ T4286] hci_send_frame+0x1af/0x2f0 [ 103.193188][ T4286] hci_tx_work+0xb2e/0x1a30 [ 103.199566][ T4286] process_one_work+0x8a1/0x10c0 [ 103.211266][ T4286] worker_thread+0xaca/0x1280 [ 103.220418][ T4286] kthread+0x3f6/0x4f0 [ 103.227817][ T4286] ret_from_fork+0x1f/0x30 [ 103.234266][ T4286] [ 103.234266][ T4286] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 103.245741][ T4286] lock_acquire+0x1db/0x4f0 [ 103.254318][ T4286] __flush_work+0xeb/0x1a0 [ 103.260973][ T4286] hci_dev_do_close+0x20a/0x1070 [ 103.269006][ T4286] hci_unregister_dev+0x2d7/0x580 [ 103.277636][ T4286] vhci_release+0x73/0xc0 [ 103.284560][ T4286] __fput+0x3fe/0x8e0 [ 103.292375][ T4286] task_work_run+0x129/0x1a0 [ 103.300342][ T4286] do_exit+0x6a3/0x2480 [ 103.310000][ T4286] do_group_exit+0x144/0x310 [ 103.316749][ T4286] get_signal+0xc66/0x14e0 [ 103.327545][ T4286] arch_do_signal_or_restart+0xc3/0x1890 [ 103.336804][ T4286] exit_to_user_mode_loop+0x97/0x130 [ 103.344777][ T4286] exit_to_user_mode_prepare+0xb1/0x140 [ 103.351767][ T4286] syscall_exit_to_user_mode+0x5d/0x240 [ 103.360318][ T4286] do_syscall_64+0x47/0xb0 [ 103.368319][ T4286] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 103.377832][ T4286] [ 103.377832][ T4286] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 103.390764][ T4286] lock_acquire+0x1db/0x4f0 [ 103.399823][ T4286] __mutex_lock_common+0x1da/0x25a0 [ 103.408351][ T4286] mutex_lock_nested+0x17/0x20 [ 103.416043][ T4286] bg_scan_update+0xa1/0x4a0 [ 103.422173][ T4286] process_one_work+0x8a1/0x10c0 [ 103.428717][ T4286] worker_thread+0xaca/0x1280 [ 103.434168][ T4286] kthread+0x3f6/0x4f0 [ 103.439790][ T4286] ret_from_fork+0x1f/0x30 [ 103.448163][ T4286] [ 103.448163][ T4286] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 103.460566][ T4286] validate_chain+0x1649/0x5930 [ 103.469758][ T4286] __lock_acquire+0x1295/0x1ff0 [ 103.478657][ T4286] lock_acquire+0x1db/0x4f0 [ 103.485595][ T4286] __flush_work+0xeb/0x1a0 [ 103.491599][ T4286] __cancel_work_timer+0x519/0x6a0 [ 103.499639][ T4286] hci_request_cancel_all+0xcb/0x300 [ 103.510820][ T4286] hci_dev_do_close+0x51/0x1070 [ 103.518142][ T4286] hci_rfkill_set_block+0x114/0x1a0 [ 103.526647][ T4286] rfkill_set_block+0x1e7/0x430 [ 103.535592][ T4286] rfkill_fop_write+0x5b7/0x790 [ 103.544899][ T4286] vfs_write+0x30c/0xe50 [ 103.550442][ T4286] ksys_write+0x1a2/0x2c0 [ 103.558686][ T4286] do_syscall_64+0x3b/0xb0 [ 103.564236][ T4286] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 103.574094][ T4286] [ 103.574094][ T4286] other info that might help us debug this: [ 103.574094][ T4286] [ 103.586796][ T4286] Chain exists of: [ 103.586796][ T4286] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 103.586796][ T4286] [ 103.606936][ T4286] Possible unsafe locking scenario: [ 103.606936][ T4286] [ 103.618181][ T4286] CPU0 CPU1 [ 103.624391][ T4286] ---- ---- [ 103.630502][ T4286] lock(rfkill_global_mutex); [ 103.637439][ T4286] lock(&data->open_mutex); [ 103.646677][ T4286] lock(rfkill_global_mutex); [ 103.656785][ T4286] lock((work_completion)(&hdev->bg_scan_update)); [ 103.664664][ T4286] [ 103.664664][ T4286] *** DEADLOCK *** [ 103.664664][ T4286] [ 103.677584][ T4286] 1 lock held by syz.0.16/4286: [ 103.682834][ T4286] #0: ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 103.694603][ T4286] [ 103.694603][ T4286] stack backtrace: [ 103.702713][ T4286] CPU: 1 PID: 4286 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 103.713939][ T4286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 103.729601][ T4286] Call Trace: [ 103.735251][ T4286] [ 103.740483][ T4286] dump_stack_lvl+0x1e3/0x2d0 [ 103.748605][ T4286] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 103.755408][ T4286] ? print_circular_bug+0x12b/0x1a0 [ 103.761300][ T4286] check_noncircular+0x2f8/0x3b0 [ 103.766657][ T4286] ? add_chain_block+0x850/0x850 [ 103.775387][ T4286] ? lockdep_lock+0x11f/0x2a0 [ 103.781690][ T4286] validate_chain+0x1649/0x5930 [ 103.787518][ T4286] ? __kernel_text_address+0x94/0x100 [ 103.794915][ T4286] ? reacquire_held_locks+0x660/0x660 [ 103.802951][ T4286] ? unwind_get_return_address+0x49/0x80 [ 103.811070][ T4286] ? arch_stack_walk+0xf3/0x140 [ 103.820499][ T4286] ? mark_lock+0x98/0x340 [ 103.825736][ T4286] ? look_up_lock_class+0x77/0x120 [ 103.831386][ T4286] ? register_lock_class+0x100/0x9a0 [ 103.837739][ T4286] ? mark_lock+0x98/0x340 [ 103.842771][ T4286] ? is_dynamic_key+0x1f0/0x1f0 [ 103.848612][ T4286] ? __lock_acquire+0x1295/0x1ff0 [ 103.854882][ T4286] ? mark_lock+0x98/0x340 [ 103.860462][ T4286] __lock_acquire+0x1295/0x1ff0 [ 103.868034][ T4286] lock_acquire+0x1db/0x4f0 [ 103.874139][ T4286] ? __flush_work+0xcf/0x1a0 [ 103.881685][ T4286] ? rcu_lock_release+0x5/0x20 [ 103.888157][ T4286] ? read_lock_is_recursive+0x10/0x10 [ 103.897490][ T4286] ? start_flush_work+0x776/0x820 [ 103.904129][ T4286] __flush_work+0xeb/0x1a0 [ 103.908877][ T4286] ? __flush_work+0xcf/0x1a0 [ 103.915136][ T4286] ? flush_work+0x20/0x20 [ 103.920281][ T4286] ? print_irqtrace_events+0x210/0x210 [ 103.926695][ T4286] ? lock_timer_base+0x260/0x260 [ 103.933362][ T4286] ? __cancel_work_timer+0x467/0x6a0 [ 103.941810][ T4286] __cancel_work_timer+0x519/0x6a0 [ 103.947757][ T4286] ? cancel_work_sync+0x20/0x20 [ 103.952806][ T4286] ? lockdep_hardirqs_on+0x94/0x130 [ 103.962473][ T4286] ? __cancel_work+0x2ef/0x380 [ 103.969660][ T4286] ? cancel_work+0x20/0x20 [ 103.974665][ T4286] ? print_irqtrace_events+0x210/0x210 [ 103.982285][ T4286] hci_request_cancel_all+0xcb/0x300 [ 103.990472][ T4286] hci_dev_do_close+0x51/0x1070 [ 103.996322][ T4286] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 104.003967][ T4286] ? _raw_spin_unlock+0x40/0x40 [ 104.010599][ T4286] hci_rfkill_set_block+0x114/0x1a0 [ 104.017134][ T4286] ? rcu_lock_release+0x20/0x20 [ 104.026961][ T4286] rfkill_set_block+0x1e7/0x430 [ 104.035693][ T4286] rfkill_fop_write+0x5b7/0x790 [ 104.042982][ T4286] ? mark_lock+0x98/0x340 [ 104.048700][ T4286] ? rfkill_fop_read+0x470/0x470 [ 104.054301][ T4286] ? fsnotify_perm+0x64/0x590 [ 104.061434][ T4286] ? security_file_permission+0x75/0xa0 [ 104.068725][ T4286] ? rfkill_fop_read+0x470/0x470 [ 104.077375][ T4286] vfs_write+0x30c/0xe50 [ 104.084758][ T4286] ? file_end_write+0x250/0x250 [ 104.090909][ T4286] ? read_lock_is_recursive+0x10/0x10 [ 104.096736][ T4286] ? __context_tracking_exit+0x4c/0x80 [ 104.103963][ T4286] ? __lock_acquire+0x1ff0/0x1ff0 [ 104.110992][ T4286] ? __fdget_pos+0x1e9/0x380 [ 104.115821][ T4286] ksys_write+0x1a2/0x2c0 [ 104.120437][ T4286] ? print_irqtrace_events+0x210/0x210 [ 104.127920][ T4286] ? __ia32_sys_read+0x80/0x80 [ 104.134033][ T4286] ? syscall_enter_from_user_mode+0x2e/0x240 [ 104.141539][ T4286] ? lockdep_hardirqs_on+0x94/0x130 [ 104.147708][ T4286] ? syscall_enter_from_user_mode+0x2e/0x240 [ 104.155731][ T4286] do_syscall_64+0x3b/0xb0 [ 104.162257][ T4286] ? clear_bhb_loop+0x15/0x70 [ 104.168145][ T4286] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 104.175924][ T4286] RIP: 0033:0x7fa716bee0a9 [ 104.180621][ T4286] 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 [ 104.207325][ T4286] RSP: 002b:00007ffcd1c0d7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 104.217378][ T4286] RAX: ffffffffffffffda RBX: 00007fa716e06fa0 RCX: 00007fa716bee0a9 [ 104.227013][ T4286] RDX: 0000000000000008 RSI: 0000400000000300 RDI: 0000000000000003 [ 104.237558][ T4286] RBP: 00007fa716c6f2a0 R08: 0000000000000000 R09: 0000000000000000 [ 104.248177][ T4286] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 104.258271][ T4286] R13: 00007fa716e06fa0 R14: 00007fa716e06fa0 R15: 0000000000000003 [ 104.267801][ T4286] [ 104.274356][ T4186] Bluetooth: hci0: command 0x040f tx timeout