Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts. 2024/12/15 06:51:27 ignoring optional flag "sandboxArg"="0" 2024/12/15 06:51:27 parsed 1 programs [ 46.788109][ T4166] cgroup: Unknown subsys name 'net' [ 46.935785][ T4166] cgroup: Unknown subsys name 'rlimit' [ 48.159553][ T4166] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 50.820453][ T4209] chnl_net:caif_netlink_parms(): no params data found [ 50.883062][ T4209] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.891873][ T4209] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.899934][ T4209] device bridge_slave_0 entered promiscuous mode [ 50.909809][ T4209] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.918351][ T4209] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.926578][ T4209] device bridge_slave_1 entered promiscuous mode [ 50.956079][ T4209] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.967006][ T4209] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.992086][ T4209] team0: Port device team_slave_0 added [ 50.999915][ T4209] team0: Port device team_slave_1 added [ 51.022732][ T4209] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.029670][ T4209] 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. [ 51.055629][ T4209] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.068022][ T4209] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.075002][ T4209] 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. [ 51.100894][ T4209] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.135405][ T4209] device hsr_slave_0 entered promiscuous mode [ 51.142287][ T4209] device hsr_slave_1 entered promiscuous mode [ 51.255693][ T4209] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.266073][ T4209] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.274676][ T4209] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.283941][ T4209] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.306699][ T4209] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.313910][ T4209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.321882][ T4209] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.328920][ T4209] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.407758][ T4209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.422268][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.447137][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.459432][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.471708][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.496777][ T4209] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.507669][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.516315][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.523368][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.541430][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.549811][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.556874][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.565564][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.574788][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.584772][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.596799][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.607528][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.618278][ T4209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.680073][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.687703][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.700216][ T4209] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.717062][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.733600][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.741828][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.749378][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.759140][ T4209] device veth0_vlan entered promiscuous mode [ 51.769727][ T4209] device veth1_vlan entered promiscuous mode [ 51.787332][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.795659][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.803888][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.828976][ T4209] device veth0_macvtap entered promiscuous mode [ 51.838135][ T4209] device veth1_macvtap entered promiscuous mode [ 51.852550][ T4209] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.859933][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.869293][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.898250][ T4209] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.905670][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.914590][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.925468][ T4209] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.935353][ T4209] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.944345][ T4209] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.953312][ T4209] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.229573][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.238220][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.253395][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.264836][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.273418][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.297651][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2024/12/15 06:51:35 executed programs: 0 [ 53.106982][ T4263] chnl_net:caif_netlink_parms(): no params data found [ 53.168419][ T4263] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.177837][ T4263] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.186527][ T4263] device bridge_slave_0 entered promiscuous mode [ 53.195516][ T4263] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.202879][ T4263] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.211417][ T4263] device bridge_slave_1 entered promiscuous mode [ 53.240875][ T4263] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.252342][ T4263] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.279957][ T4263] team0: Port device team_slave_0 added [ 53.287772][ T4263] team0: Port device team_slave_1 added [ 53.314553][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.324062][ 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. [ 53.352373][ T4263] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.365600][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.375681][ 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. [ 53.405446][ T4263] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.445557][ T4263] device hsr_slave_0 entered promiscuous mode [ 53.455613][ T4263] device hsr_slave_1 entered promiscuous mode [ 53.462604][ T4263] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.470436][ T4263] Cannot create hsr debugfs directory [ 53.567912][ T4263] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.001523][ T1109] Bluetooth: hci0: command 0x0409 tx timeout [ 57.071515][ T1109] Bluetooth: hci0: command 0x041b tx timeout [ 57.637117][ T4263] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.754820][ T4263] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.805989][ T4263] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.895011][ T4263] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.904918][ T4263] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.915467][ T4263] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.935798][ T4263] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.987734][ T4263] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.998703][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.006906][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.017494][ T4263] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.030393][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.038964][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.047386][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.054658][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.063201][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.084151][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.092666][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.102370][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.109406][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.125432][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.134750][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.143941][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.154275][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.162810][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.173491][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.182125][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.193525][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.202674][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.227181][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.235511][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.245667][ T4263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.328116][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.335861][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.357978][ T4263] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.373817][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.382656][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.398040][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.406642][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.419369][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.428819][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.449960][ T4263] device veth0_vlan entered promiscuous mode [ 58.461507][ T4263] device veth1_vlan entered promiscuous mode [ 58.476519][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.484815][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.493222][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.502919][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.513106][ T4263] device veth0_macvtap entered promiscuous mode [ 58.525834][ T4263] device veth1_macvtap entered promiscuous mode [ 58.547154][ T4263] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.558296][ T4263] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.570471][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.585908][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.595191][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.603767][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.612367][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.624321][ T4263] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.634911][ T4263] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.646714][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.656985][ T4277] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.666600][ T4277] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.676984][ T4263] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.685969][ T4263] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.695278][ T4263] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.704255][ T4263] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.717341][ T309] device hsr_slave_0 left promiscuous mode [ 58.724491][ T309] device hsr_slave_1 left promiscuous mode [ 58.731098][ T309] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 58.738482][ T309] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.746910][ T309] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.754549][ T309] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.762464][ T309] device bridge_slave_1 left promiscuous mode [ 58.769261][ T309] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.781988][ T309] device bridge_slave_0 left promiscuous mode [ 58.788301][ T309] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.804579][ T309] device veth1_macvtap left promiscuous mode [ 58.810965][ T309] device veth0_macvtap left promiscuous mode [ 58.816971][ T309] device veth1_vlan left promiscuous mode [ 58.823126][ T309] device veth0_vlan left promiscuous mode [ 58.946821][ T309] team0 (unregistering): Port device team_slave_1 removed [ 58.957931][ T309] team0 (unregistering): Port device team_slave_0 removed [ 58.970092][ T309] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 58.984802][ T309] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 59.033254][ T309] bond0 (unregistering): Released all slaves [ 59.124107][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.135010][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.154449][ T4227] Bluetooth: hci0: command 0x040f tx timeout [ 59.162942][ T4277] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.178777][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.187327][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.196441][ T4277] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.299254][ T4278] [ 59.301601][ T4278] ====================================================== [ 59.308618][ T4278] WARNING: possible circular locking dependency detected [ 59.315634][ T4278] 5.15.174-syzkaller #0 Not tainted [ 59.320822][ T4278] ------------------------------------------------------ [ 59.327831][ T4278] syz.0.16/4278 is trying to acquire lock: [ 59.333632][ T4278] ffff888079934c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 59.344694][ T4278] [ 59.344694][ T4278] but task is already holding lock: [ 59.352051][ T4278] ffffffff8decda68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 59.361707][ T4278] [ 59.361707][ T4278] which lock already depends on the new lock. [ 59.361707][ T4278] [ 59.372102][ T4278] [ 59.372102][ T4278] the existing dependency chain (in reverse order) is: [ 59.381104][ T4278] [ 59.381104][ T4278] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 59.389095][ T4278] lock_acquire+0x1db/0x4f0 [ 59.394117][ T4278] __mutex_lock_common+0x1da/0x25a0 [ 59.399834][ T4278] mutex_lock_nested+0x17/0x20 [ 59.405114][ T4278] rfkill_register+0x30/0x880 [ 59.410314][ T4278] hci_register_dev+0x4dd/0xa50 [ 59.415697][ T4278] vhci_create_device+0x310/0x590 [ 59.421239][ T4278] vhci_write+0x382/0x430 [ 59.426087][ T4278] vfs_write+0xacd/0xe50 [ 59.430850][ T4278] ksys_write+0x1a2/0x2c0 [ 59.435695][ T4278] do_syscall_64+0x3b/0xb0 [ 59.440632][ T4278] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.447042][ T4278] [ 59.447042][ T4278] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 59.454857][ T4278] lock_acquire+0x1db/0x4f0 [ 59.459880][ T4278] __mutex_lock_common+0x1da/0x25a0 [ 59.465596][ T4278] mutex_lock_nested+0x17/0x20 [ 59.470882][ T4278] vhci_send_frame+0x8a/0xf0 [ 59.475992][ T4278] hci_send_frame+0x1af/0x2f0 [ 59.481185][ T4278] hci_tx_work+0xb2e/0x1a30 [ 59.486203][ T4278] process_one_work+0x8a1/0x10c0 [ 59.491661][ T4278] worker_thread+0xaca/0x1280 [ 59.496855][ T4278] kthread+0x3f6/0x4f0 [ 59.501440][ T4278] ret_from_fork+0x1f/0x30 [ 59.506387][ T4278] [ 59.506387][ T4278] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 59.515585][ T4278] lock_acquire+0x1db/0x4f0 [ 59.520664][ T4278] __flush_work+0xeb/0x1a0 [ 59.525623][ T4278] hci_dev_do_close+0x20a/0x1070 [ 59.531088][ T4278] hci_unregister_dev+0x2d7/0x580 [ 59.536627][ T4278] vhci_release+0x73/0xc0 [ 59.541486][ T4278] __fput+0x3fe/0x8e0 [ 59.545988][ T4278] task_work_run+0x129/0x1a0 [ 59.551096][ T4278] do_exit+0x6a3/0x2480 [ 59.555770][ T4278] do_group_exit+0x144/0x310 [ 59.560876][ T4278] get_signal+0xc66/0x14e0 [ 59.565809][ T4278] arch_do_signal_or_restart+0xc3/0x1890 [ 59.571958][ T4278] exit_to_user_mode_loop+0x97/0x130 [ 59.577759][ T4278] exit_to_user_mode_prepare+0xb1/0x140 [ 59.583819][ T4278] syscall_exit_to_user_mode+0x5d/0x240 [ 59.589879][ T4278] do_syscall_64+0x47/0xb0 [ 59.594812][ T4278] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.601228][ T4278] [ 59.601228][ T4278] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 59.608867][ T4278] lock_acquire+0x1db/0x4f0 [ 59.613888][ T4278] __mutex_lock_common+0x1da/0x25a0 [ 59.619616][ T4278] mutex_lock_nested+0x17/0x20 [ 59.624905][ T4278] bg_scan_update+0xa1/0x4a0 [ 59.630101][ T4278] process_one_work+0x8a1/0x10c0 [ 59.635556][ T4278] worker_thread+0xaca/0x1280 [ 59.640760][ T4278] kthread+0x3f6/0x4f0 [ 59.645353][ T4278] ret_from_fork+0x1f/0x30 [ 59.650291][ T4278] [ 59.650291][ T4278] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 59.660100][ T4278] validate_chain+0x1649/0x5930 [ 59.665475][ T4278] __lock_acquire+0x1295/0x1ff0 [ 59.670841][ T4278] lock_acquire+0x1db/0x4f0 [ 59.675864][ T4278] __flush_work+0xeb/0x1a0 [ 59.680801][ T4278] __cancel_work_timer+0x519/0x6a0 [ 59.686431][ T4278] hci_request_cancel_all+0xcb/0x300 [ 59.692239][ T4278] hci_dev_do_close+0x51/0x1070 [ 59.697607][ T4278] hci_rfkill_set_block+0x114/0x1a0 [ 59.703321][ T4278] rfkill_set_block+0x1e7/0x430 [ 59.708690][ T4278] rfkill_fop_write+0x5b7/0x790 [ 59.714579][ T4278] vfs_write+0x30c/0xe50 [ 59.719348][ T4278] ksys_write+0x1a2/0x2c0 [ 59.724198][ T4278] do_syscall_64+0x3b/0xb0 [ 59.729132][ T4278] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.735542][ T4278] [ 59.735542][ T4278] other info that might help us debug this: [ 59.735542][ T4278] [ 59.745765][ T4278] Chain exists of: [ 59.745765][ T4278] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 59.745765][ T4278] [ 59.761493][ T4278] Possible unsafe locking scenario: [ 59.761493][ T4278] [ 59.768938][ T4278] CPU0 CPU1 [ 59.774294][ T4278] ---- ---- [ 59.779649][ T4278] lock(rfkill_global_mutex); [ 59.784411][ T4278] lock(&data->open_mutex); [ 59.791514][ T4278] lock(rfkill_global_mutex); [ 59.798792][ T4278] lock((work_completion)(&hdev->bg_scan_update)); [ 59.805379][ T4278] [ 59.805379][ T4278] *** DEADLOCK *** [ 59.805379][ T4278] [ 59.813542][ T4278] 1 lock held by syz.0.16/4278: [ 59.818390][ T4278] #0: ffffffff8decda68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 59.828541][ T4278] [ 59.828541][ T4278] stack backtrace: [ 59.834456][ T4278] CPU: 1 PID: 4278 Comm: syz.0.16 Not tainted 5.15.174-syzkaller #0 [ 59.842434][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 59.852496][ T4278] Call Trace: [ 59.855773][ T4278] [ 59.858698][ T4278] dump_stack_lvl+0x1e3/0x2d0 [ 59.863391][ T4278] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 59.869022][ T4278] ? print_circular_bug+0x12b/0x1a0 [ 59.874219][ T4278] check_noncircular+0x2f8/0x3b0 [ 59.879161][ T4278] ? add_chain_block+0x850/0x850 [ 59.884095][ T4278] ? lockdep_lock+0x11f/0x2a0 [ 59.888776][ T4278] ? _find_first_zero_bit+0xcf/0xf0 [ 59.893974][ T4278] validate_chain+0x1649/0x5930 [ 59.898826][ T4278] ? __lock_acquire+0x1295/0x1ff0 [ 59.903848][ T4278] ? reacquire_held_locks+0x660/0x660 [ 59.909226][ T4278] ? mark_lock+0x98/0x340 [ 59.913552][ T4278] ? look_up_lock_class+0x77/0x120 [ 59.918668][ T4278] ? register_lock_class+0x100/0x9a0 [ 59.923948][ T4278] ? mark_lock+0x98/0x340 [ 59.928274][ T4278] ? is_dynamic_key+0x1f0/0x1f0 [ 59.933124][ T4278] ? __lock_acquire+0x1295/0x1ff0 [ 59.938143][ T4278] ? mark_lock+0x98/0x340 [ 59.942471][ T4278] __lock_acquire+0x1295/0x1ff0 [ 59.947322][ T4278] lock_acquire+0x1db/0x4f0 [ 59.951822][ T4278] ? __flush_work+0xcf/0x1a0 [ 59.956407][ T4278] ? rcu_lock_release+0x5/0x20 [ 59.961170][ T4278] ? read_lock_is_recursive+0x10/0x10 [ 59.966541][ T4278] ? start_flush_work+0x776/0x820 [ 59.971577][ T4278] __flush_work+0xeb/0x1a0 [ 59.975991][ T4278] ? __flush_work+0xcf/0x1a0 [ 59.980580][ T4278] ? flush_work+0x20/0x20 [ 59.984911][ T4278] ? print_irqtrace_events+0x210/0x210 [ 59.990365][ T4278] ? lock_timer_base+0x260/0x260 [ 59.995301][ T4278] ? __cancel_work_timer+0x467/0x6a0 [ 60.000580][ T4278] __cancel_work_timer+0x519/0x6a0 [ 60.005692][ T4278] ? cancel_work_sync+0x20/0x20 [ 60.010540][ T4278] ? lockdep_hardirqs_on+0x94/0x130 [ 60.015744][ T4278] ? __cancel_work+0x2ef/0x380 [ 60.020507][ T4278] ? cancel_work+0x20/0x20 [ 60.024920][ T4278] ? print_irqtrace_events+0x210/0x210 [ 60.030379][ T4278] hci_request_cancel_all+0xcb/0x300 [ 60.035667][ T4278] hci_dev_do_close+0x51/0x1070 [ 60.040518][ T4278] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 60.046416][ T4278] ? _raw_spin_unlock+0x40/0x40 [ 60.051267][ T4278] ? kmem_cache_alloc_trace+0x143/0x290 [ 60.056805][ T4278] hci_rfkill_set_block+0x114/0x1a0 [ 60.061979][ T4278] ? rcu_lock_release+0x20/0x20 [ 60.066802][ T4278] rfkill_set_block+0x1e7/0x430 [ 60.071630][ T4278] rfkill_fop_write+0x5b7/0x790 [ 60.076453][ T4278] ? mark_lock+0x98/0x340 [ 60.080757][ T4278] ? rfkill_fop_read+0x470/0x470 [ 60.085676][ T4278] ? fsnotify_perm+0x64/0x590 [ 60.090327][ T4278] ? security_file_permission+0x75/0xa0 [ 60.095841][ T4278] ? rfkill_fop_read+0x470/0x470 [ 60.100755][ T4278] vfs_write+0x30c/0xe50 [ 60.104988][ T4278] ? file_end_write+0x250/0x250 [ 60.109815][ T4278] ? read_lock_is_recursive+0x10/0x10 [ 60.115245][ T4278] ? __context_tracking_exit+0x4c/0x80 [ 60.120676][ T4278] ? __lock_acquire+0x1ff0/0x1ff0 [ 60.125671][ T4278] ? __fdget_pos+0x1e9/0x380 [ 60.130232][ T4278] ksys_write+0x1a2/0x2c0 [ 60.134532][ T4278] ? print_irqtrace_events+0x210/0x210 [ 60.139965][ T4278] ? __ia32_sys_read+0x80/0x80 [ 60.144698][ T4278] ? syscall_enter_from_user_mode+0x2e/0x240 [ 60.150661][ T4278] ? lockdep_hardirqs_on+0x94/0x130 [ 60.155858][ T4278] ? syscall_enter_from_user_mode+0x2e/0x240 [ 60.161817][ T4278] do_syscall_64+0x3b/0xb0 [ 60.166208][ T4278] ? clear_bhb_loop+0x15/0x70 [ 60.170858][ T4278] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.176727][ T4278] RIP: 0033:0x7f1169cf2d19 [ 60.181116][ T4278] 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 [ 60.200701][ T4278] RSP: 002b:00007ffd1ccffb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.209106][ T4278] RAX: ffffffffffffffda RBX: 00007f1169ee2fa0 RCX: 00007f1169cf2d19 [ 60.217059][ T4278] RDX: 0000000000000008 RSI: 0000000020000080 RDI: 0000000000000003 [ 60.225003][ T4278] RBP: 00007f1169d6ea20 R08: 0000000000000000 R09: 0000000000000000 [ 60.232951][ T4278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.240900][ T4278] R13: 00007f1169ee2fa0 R14: 00007f1169ee2fa0 R15: 00000000000019a1 [ 60.248851][ T4278]