Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. 2025/03/20 14:50:34 ignoring optional flag "sandboxArg"="0" 2025/03/20 14:50:35 parsed 1 programs [ 55.130285][ T4172] cgroup: Unknown subsys name 'net' [ 55.257565][ T4172] cgroup: Unknown subsys name 'rlimit' [ 56.448946][ T4172] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 58.073642][ T4192] chnl_net:caif_netlink_parms(): no params data found [ 58.114119][ T4192] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.121531][ T4192] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.130006][ T4192] device bridge_slave_0 entered promiscuous mode [ 58.138803][ T4192] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.146037][ T4192] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.153852][ T4192] device bridge_slave_1 entered promiscuous mode [ 58.174381][ T4192] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.184877][ T4192] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.206478][ T4192] team0: Port device team_slave_0 added [ 58.215831][ T4192] team0: Port device team_slave_1 added [ 58.231884][ T4192] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.238888][ T4192] 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. [ 58.264828][ T4192] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.276954][ T4192] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.284071][ T4192] 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. [ 58.310728][ T4192] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.341493][ T4192] device hsr_slave_0 entered promiscuous mode [ 58.348717][ T4192] device hsr_slave_1 entered promiscuous mode [ 58.460184][ T4192] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.471685][ T4192] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.482466][ T4192] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.494510][ T4192] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.522482][ T4192] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.529704][ T4192] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.537818][ T4192] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.544957][ T4192] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.608559][ T4192] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.625347][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.636432][ T3018] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.645298][ T3018] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.653572][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.669309][ T4192] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.680895][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.690210][ T3018] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.697309][ T3018] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.716245][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.733126][ T3018] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.740206][ T3018] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.762388][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.772355][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.791143][ T4192] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.801901][ T4192] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.815703][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.824447][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.833680][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.847715][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.938199][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.948042][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.963402][ T4192] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.984287][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.004977][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.014514][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.022285][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.034105][ T4192] device veth0_vlan entered promiscuous mode [ 59.046793][ T4192] device veth1_vlan entered promiscuous mode [ 59.054643][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.078821][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.089202][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.100346][ T4192] device veth0_macvtap entered promiscuous mode [ 59.111173][ T4192] device veth1_macvtap entered promiscuous mode [ 59.127504][ T4192] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.135805][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.146287][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.154639][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.164850][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.176819][ T4192] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.185377][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.194485][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.207391][ T4192] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.216551][ T4192] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.225756][ T4192] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.234716][ T4192] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.326333][ T4192] syz-executor (4192) used greatest stack depth: 19352 bytes left [ 59.702236][ T3082] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.098907][ T3018] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.114135][ T3018] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.125950][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.127570][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.134109][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.150032][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.838729][ T3082] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.097664][ T3082] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.148613][ T3082] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/03/20 14:50:46 executed programs: 0 [ 65.219146][ T4292] chnl_net:caif_netlink_parms(): no params data found [ 65.276796][ T4292] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.284452][ T4292] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.292009][ T4292] device bridge_slave_0 entered promiscuous mode [ 65.300799][ T4292] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.307933][ T4292] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.315738][ T4292] device bridge_slave_1 entered promiscuous mode [ 65.326907][ T3082] device hsr_slave_0 left promiscuous mode [ 65.333244][ T3082] device hsr_slave_1 left promiscuous mode [ 65.339539][ T3082] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 65.347023][ T3082] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 65.354970][ T3082] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 65.362337][ T3082] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 65.369994][ T3082] device bridge_slave_1 left promiscuous mode [ 65.376347][ T3082] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.389091][ T3082] device bridge_slave_0 left promiscuous mode [ 65.397607][ T3082] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.412027][ T3082] device veth1_macvtap left promiscuous mode [ 65.418544][ T3082] device veth0_macvtap left promiscuous mode [ 65.424613][ T3082] device veth1_vlan left promiscuous mode [ 65.430442][ T3082] device veth0_vlan left promiscuous mode [ 65.550643][ T3082] team0 (unregistering): Port device team_slave_1 removed [ 65.562434][ T3082] team0 (unregistering): Port device team_slave_0 removed [ 65.577211][ T3082] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 65.590430][ T3082] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 65.639697][ T3082] bond0 (unregistering): Released all slaves [ 65.737708][ T4292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.751226][ T4292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.789730][ T4292] team0: Port device team_slave_0 added [ 65.797269][ T4292] team0: Port device team_slave_1 added [ 65.820124][ T4292] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.827375][ T4292] 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. [ 65.853846][ T4292] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.866542][ T4292] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.874846][ T4292] 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. [ 65.901309][ T4292] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.951443][ T4292] device hsr_slave_0 entered promiscuous mode [ 65.958571][ T4292] device hsr_slave_1 entered promiscuous mode [ 66.448920][ T4292] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.466042][ T4292] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.485957][ T4292] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.513087][ T4292] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.588904][ T4292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.606488][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.617944][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.628511][ T4292] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.640177][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.650731][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.660910][ T3018] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.668183][ T3018] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.688378][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.698339][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.707350][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.717880][ T3018] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.724980][ T3018] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.735391][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.749137][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.770484][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.782080][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.794959][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.804479][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.814732][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.827554][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.842042][ T4292] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.854953][ T4292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.865330][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.875583][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.885693][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.036951][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.053906][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.064051][ T4199] Bluetooth: hci0: command 0x0409 tx timeout [ 67.065497][ T4292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.096645][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.105888][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.130521][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.140466][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.151293][ T4292] device veth0_vlan entered promiscuous mode [ 67.160202][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.168824][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.183351][ T4292] device veth1_vlan entered promiscuous mode [ 67.202966][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.211575][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.226154][ T4292] device veth0_macvtap entered promiscuous mode [ 67.240764][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.249922][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.262357][ T4292] device veth1_macvtap entered promiscuous mode [ 67.271370][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.281071][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.298920][ T4292] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.309449][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.318801][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.330354][ T4292] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.339002][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.349193][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.360287][ T4292] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.370001][ T4292] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.380330][ T4292] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.390253][ T4292] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.468321][ T3018] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.492358][ T3018] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.518695][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.535584][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.552687][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.570470][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.647653][ T4381] [ 67.650004][ T4381] ====================================================== [ 67.657002][ T4381] WARNING: possible circular locking dependency detected [ 67.663992][ T4381] 5.15.179-syzkaller #0 Not tainted [ 67.669160][ T4381] ------------------------------------------------------ [ 67.676145][ T4381] syz.0.16/4381 is trying to acquire lock: [ 67.681919][ T4381] ffff888074404c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 67.692952][ T4381] [ 67.692952][ T4381] but task is already holding lock: [ 67.700289][ T4381] ffffffff8ded1648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 67.709915][ T4381] [ 67.709915][ T4381] which lock already depends on the new lock. [ 67.709915][ T4381] [ 67.720287][ T4381] [ 67.720287][ T4381] the existing dependency chain (in reverse order) is: [ 67.729270][ T4381] [ 67.729270][ T4381] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.737236][ T4381] lock_acquire+0x1db/0x4f0 [ 67.742239][ T4381] __mutex_lock_common+0x1da/0x25a0 [ 67.747935][ T4381] mutex_lock_nested+0x17/0x20 [ 67.753214][ T4381] rfkill_register+0x30/0x880 [ 67.758387][ T4381] hci_register_dev+0x4dd/0xa50 [ 67.763821][ T4381] vhci_create_device+0x310/0x590 [ 67.769342][ T4381] vhci_write+0x382/0x430 [ 67.774171][ T4381] vfs_write+0xacd/0xe50 [ 67.778910][ T4381] ksys_write+0x1a2/0x2c0 [ 67.783734][ T4381] do_syscall_64+0x3b/0xb0 [ 67.788664][ T4381] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.795052][ T4381] [ 67.795052][ T4381] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.802840][ T4381] lock_acquire+0x1db/0x4f0 [ 67.807839][ T4381] __mutex_lock_common+0x1da/0x25a0 [ 67.813531][ T4381] mutex_lock_nested+0x17/0x20 [ 67.818790][ T4381] vhci_send_frame+0x8a/0xf0 [ 67.823882][ T4381] hci_send_frame+0x1af/0x2f0 [ 67.829154][ T4381] hci_tx_work+0xb2e/0x1a30 [ 67.834154][ T4381] process_one_work+0x8a1/0x10c0 [ 67.839594][ T4381] worker_thread+0xaca/0x1280 [ 67.844786][ T4381] kthread+0x3f6/0x4f0 [ 67.849355][ T4381] ret_from_fork+0x1f/0x30 [ 67.854269][ T4381] [ 67.854269][ T4381] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.863450][ T4381] lock_acquire+0x1db/0x4f0 [ 67.868451][ T4381] __flush_work+0xeb/0x1a0 [ 67.873362][ T4381] hci_dev_do_close+0x20a/0x1070 [ 67.878794][ T4381] hci_unregister_dev+0x2d7/0x580 [ 67.884341][ T4381] vhci_release+0x73/0xc0 [ 67.889170][ T4381] __fput+0x3fe/0x8e0 [ 67.893646][ T4381] task_work_run+0x129/0x1a0 [ 67.898733][ T4381] do_exit+0x6a3/0x2480 [ 67.903384][ T4381] do_group_exit+0x144/0x310 [ 67.908474][ T4381] get_signal+0xc66/0x14e0 [ 67.913386][ T4381] arch_do_signal_or_restart+0xc3/0x1890 [ 67.919513][ T4381] exit_to_user_mode_loop+0x97/0x130 [ 67.925295][ T4381] exit_to_user_mode_prepare+0xb1/0x140 [ 67.931333][ T4381] syscall_exit_to_user_mode+0x5d/0x240 [ 67.937412][ T4381] do_syscall_64+0x47/0xb0 [ 67.942326][ T4381] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.948716][ T4381] [ 67.948716][ T4381] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.956330][ T4381] lock_acquire+0x1db/0x4f0 [ 67.961330][ T4381] __mutex_lock_common+0x1da/0x25a0 [ 67.967022][ T4381] mutex_lock_nested+0x17/0x20 [ 67.972280][ T4381] bg_scan_update+0xa1/0x4a0 [ 67.977366][ T4381] process_one_work+0x8a1/0x10c0 [ 67.982798][ T4381] worker_thread+0xaca/0x1280 [ 67.987968][ T4381] kthread+0x3f6/0x4f0 [ 67.992528][ T4381] ret_from_fork+0x1f/0x30 [ 67.997447][ T4381] [ 67.997447][ T4381] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.007239][ T4381] validate_chain+0x1649/0x5930 [ 68.012585][ T4381] __lock_acquire+0x1295/0x1ff0 [ 68.017930][ T4381] lock_acquire+0x1db/0x4f0 [ 68.022924][ T4381] __flush_work+0xeb/0x1a0 [ 68.027863][ T4381] __cancel_work_timer+0x519/0x6a0 [ 68.033467][ T4381] hci_request_cancel_all+0xcb/0x300 [ 68.039248][ T4381] hci_dev_do_close+0x51/0x1070 [ 68.044593][ T4381] hci_rfkill_set_block+0x114/0x1a0 [ 68.050289][ T4381] rfkill_set_block+0x1e7/0x430 [ 68.055634][ T4381] rfkill_fop_write+0x5b7/0x790 [ 68.060977][ T4381] vfs_write+0x30c/0xe50 [ 68.065713][ T4381] ksys_write+0x1a2/0x2c0 [ 68.070535][ T4381] do_syscall_64+0x3b/0xb0 [ 68.075475][ T4381] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.081862][ T4381] [ 68.081862][ T4381] other info that might help us debug this: [ 68.081862][ T4381] [ 68.092073][ T4381] Chain exists of: [ 68.092073][ T4381] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.092073][ T4381] [ 68.107783][ T4381] Possible unsafe locking scenario: [ 68.107783][ T4381] [ 68.115218][ T4381] CPU0 CPU1 [ 68.120559][ T4381] ---- ---- [ 68.125897][ T4381] lock(rfkill_global_mutex); [ 68.130635][ T4381] lock(&data->open_mutex); [ 68.137720][ T4381] lock(rfkill_global_mutex); [ 68.144977][ T4381] lock((work_completion)(&hdev->bg_scan_update)); [ 68.151541][ T4381] [ 68.151541][ T4381] *** DEADLOCK *** [ 68.151541][ T4381] [ 68.159656][ T4381] 1 lock held by syz.0.16/4381: [ 68.164479][ T4381] #0: ffffffff8ded1648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 68.174547][ T4381] [ 68.174547][ T4381] stack backtrace: [ 68.180416][ T4381] CPU: 1 PID: 4381 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 [ 68.188369][ T4381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 68.198406][ T4381] Call Trace: [ 68.201664][ T4381] [ 68.204572][ T4381] dump_stack_lvl+0x1e3/0x2d0 [ 68.209235][ T4381] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 68.214845][ T4381] ? print_circular_bug+0x12b/0x1a0 [ 68.220029][ T4381] check_noncircular+0x2f8/0x3b0 [ 68.224943][ T4381] ? add_chain_block+0x850/0x850 [ 68.229856][ T4381] ? lockdep_lock+0x11f/0x2a0 [ 68.234514][ T4381] validate_chain+0x1649/0x5930 [ 68.239347][ T4381] ? validate_chain+0x112/0x5930 [ 68.244259][ T4381] ? reacquire_held_locks+0x660/0x660 [ 68.249607][ T4381] ? mark_lock+0x98/0x340 [ 68.253915][ T4381] ? look_up_lock_class+0x77/0x120 [ 68.259004][ T4381] ? register_lock_class+0x100/0x9a0 [ 68.264350][ T4381] ? mark_lock+0x98/0x340 [ 68.268655][ T4381] ? is_dynamic_key+0x1f0/0x1f0 [ 68.273478][ T4381] ? __lock_acquire+0x1295/0x1ff0 [ 68.278477][ T4381] ? mark_lock+0x98/0x340 [ 68.282780][ T4381] __lock_acquire+0x1295/0x1ff0 [ 68.287613][ T4381] lock_acquire+0x1db/0x4f0 [ 68.292097][ T4381] ? __flush_work+0xcf/0x1a0 [ 68.296665][ T4381] ? rcu_lock_release+0x5/0x20 [ 68.301405][ T4381] ? read_lock_is_recursive+0x10/0x10 [ 68.306754][ T4381] ? start_flush_work+0x776/0x820 [ 68.311756][ T4381] __flush_work+0xeb/0x1a0 [ 68.316145][ T4381] ? __flush_work+0xcf/0x1a0 [ 68.320710][ T4381] ? flush_work+0x20/0x20 [ 68.325018][ T4381] ? print_irqtrace_events+0x210/0x210 [ 68.330452][ T4381] ? lock_timer_base+0x260/0x260 [ 68.335372][ T4381] ? __cancel_work_timer+0x467/0x6a0 [ 68.340635][ T4381] __cancel_work_timer+0x519/0x6a0 [ 68.345723][ T4381] ? cancel_work_sync+0x20/0x20 [ 68.350553][ T4381] ? lockdep_hardirqs_on+0x94/0x130 [ 68.355733][ T4381] ? __cancel_work+0x2ef/0x380 [ 68.360474][ T4381] ? cancel_work+0x20/0x20 [ 68.364866][ T4381] ? print_irqtrace_events+0x210/0x210 [ 68.370302][ T4381] hci_request_cancel_all+0xcb/0x300 [ 68.375574][ T4381] hci_dev_do_close+0x51/0x1070 [ 68.380403][ T4381] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 68.386273][ T4381] ? _raw_spin_unlock+0x40/0x40 [ 68.391110][ T4381] hci_rfkill_set_block+0x114/0x1a0 [ 68.396295][ T4381] ? rcu_lock_release+0x20/0x20 [ 68.401124][ T4381] rfkill_set_block+0x1e7/0x430 [ 68.405961][ T4381] rfkill_fop_write+0x5b7/0x790 [ 68.410790][ T4381] ? mark_lock+0x98/0x340 [ 68.415096][ T4381] ? rfkill_fop_read+0x470/0x470 [ 68.420018][ T4381] ? fsnotify_perm+0x64/0x590 [ 68.424670][ T4381] ? security_file_permission+0x75/0xa0 [ 68.430192][ T4381] ? rfkill_fop_read+0x470/0x470 [ 68.435106][ T4381] vfs_write+0x30c/0xe50 [ 68.439414][ T4381] ? file_end_write+0x250/0x250 [ 68.444242][ T4381] ? read_lock_is_recursive+0x10/0x10 [ 68.449590][ T4381] ? __context_tracking_exit+0x4c/0x80 [ 68.455023][ T4381] ? __lock_acquire+0x1ff0/0x1ff0 [ 68.460024][ T4381] ? __fdget_pos+0x1e9/0x380 [ 68.464623][ T4381] ksys_write+0x1a2/0x2c0 [ 68.468930][ T4381] ? print_irqtrace_events+0x210/0x210 [ 68.474366][ T4381] ? __ia32_sys_read+0x80/0x80 [ 68.479106][ T4381] ? syscall_enter_from_user_mode+0x2e/0x240 [ 68.485060][ T4381] ? lockdep_hardirqs_on+0x94/0x130 [ 68.490237][ T4381] ? syscall_enter_from_user_mode+0x2e/0x240 [ 68.496197][ T4381] do_syscall_64+0x3b/0xb0 [ 68.500591][ T4381] ? clear_bhb_loop+0x15/0x70 [ 68.505243][ T4381] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.511116][ T4381] RIP: 0033:0x7f4879cbb169 [ 68.515511][ T4381] 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 [ 68.535093][ T4381] RSP: 002b:00007ffe380d11e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.543503][ T4381] RAX: ffffffffffffffda RBX: 00007f4879ed3fa0 RCX: 00007f4879cbb169 [ 68.551451][ T4381] RDX: 0000000000000008 RSI: 0000200000000300 RDI: 0000000000000003 [ 68.559404][ T4381] RBP: 00007f4879d3c2a0 R08: 0000000000000000 R09: 0000000000000000 [ 68.567360][ T4381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.575306][ T4381] R13: 00007f4879ed3fa0 R14: 00007f4879ed3fa0 R15: 0000000000000003 [ 68.583271][ T4381]