Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts. 2025/06/01 08:31:21 ignoring optional flag "sandboxArg"="0" 2025/06/01 08:31:22 parsed 1 programs [ 66.959776][ T4175] cgroup: Unknown subsys name 'net' [ 67.093955][ T4175] cgroup: Unknown subsys name 'rlimit' [ 68.595023][ T4175] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 70.109223][ T4182] chnl_net:caif_netlink_parms(): no params data found [ 70.165669][ T4182] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.176064][ T4182] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.185712][ T4182] device bridge_slave_0 entered promiscuous mode [ 70.197083][ T4182] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.204523][ T4182] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.213055][ T4182] device bridge_slave_1 entered promiscuous mode [ 70.237890][ T4182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.249353][ T4182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.274787][ T4182] team0: Port device team_slave_0 added [ 70.283370][ T4182] team0: Port device team_slave_1 added [ 70.303605][ T4182] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.310807][ T4182] 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. [ 70.337476][ T4182] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.350729][ T4182] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.358173][ T4182] 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. [ 70.385003][ T4182] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.424608][ T4182] device hsr_slave_0 entered promiscuous mode [ 70.433866][ T4182] device hsr_slave_1 entered promiscuous mode [ 70.542625][ T4182] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.557220][ T4182] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.567970][ T4182] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.578634][ T4182] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.605952][ T4182] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.613785][ T4182] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.621911][ T4182] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.629211][ T4182] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.679187][ T4182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.694565][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.706091][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.716292][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.726065][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.741364][ T4182] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.753353][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.762445][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.769923][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.782492][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.792198][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.799335][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.818490][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.827539][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.840247][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.853087][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.868011][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.880387][ T4182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.975421][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.983364][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.997853][ T4182] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.018279][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.039932][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.049543][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.058695][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.070946][ T4182] device veth0_vlan entered promiscuous mode [ 71.085267][ T4182] device veth1_vlan entered promiscuous mode [ 71.109356][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.118531][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.130441][ T4182] device veth0_macvtap entered promiscuous mode [ 71.141625][ T4182] device veth1_macvtap entered promiscuous mode [ 71.159896][ T4182] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.169348][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.178265][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.186796][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.196276][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.209794][ T4182] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.218076][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.227757][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.240445][ T4182] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.249808][ T4182] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.259886][ T4182] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.268995][ T4182] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.281646][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.288627][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.443093][ T4182] syz-executor (4182) used greatest stack depth: 20928 bytes left [ 71.473749][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.143940][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.902865][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.965856][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.857130][ T154] device hsr_slave_0 left promiscuous mode [ 77.873859][ T154] device hsr_slave_1 left promiscuous mode [ 77.881397][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.893587][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.902810][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.911942][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.927843][ T154] device bridge_slave_1 left promiscuous mode [ 77.935930][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.966020][ T154] device bridge_slave_0 left promiscuous mode [ 77.972890][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.996803][ T154] device veth1_macvtap left promiscuous mode [ 78.003663][ T154] device veth0_macvtap left promiscuous mode [ 78.009943][ T154] device veth1_vlan left promiscuous mode [ 78.015961][ T154] device veth0_vlan left promiscuous mode [ 78.212540][ T154] team0 (unregistering): Port device team_slave_1 removed [ 78.233452][ T154] team0 (unregistering): Port device team_slave_0 removed [ 78.253810][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 78.270688][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 78.332713][ T154] bond0 (unregistering): Released all slaves [ 80.119235][ T3011] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.137483][ T3011] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.157817][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 80.178079][ T3011] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.186085][ T3011] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.208810][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 81.510238][ T7] cfg80211: failed to load regulatory.db 2025/06/01 08:31:39 executed programs: 0 [ 82.366070][ T4393] chnl_net:caif_netlink_parms(): no params data found [ 82.452618][ T4393] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.461033][ T4393] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.470730][ T4393] device bridge_slave_0 entered promiscuous mode [ 82.481153][ T4393] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.490287][ T4393] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.499275][ T4393] device bridge_slave_1 entered promiscuous mode [ 82.545869][ T4393] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.558812][ T4393] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.594521][ T4393] team0: Port device team_slave_0 added [ 82.623950][ T4393] team0: Port device team_slave_1 added [ 82.651778][ T4393] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.659326][ T4393] 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. [ 82.692877][ T4393] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.713547][ T4393] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.722540][ T4393] 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. [ 82.751046][ T4393] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.825066][ T4393] device hsr_slave_0 entered promiscuous mode [ 82.832416][ T4393] device hsr_slave_1 entered promiscuous mode [ 83.604703][ T4393] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.630487][ T4393] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.670431][ T4393] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.691175][ T4393] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.851790][ T4393] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.887650][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.908901][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.930901][ T4393] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.942843][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.958418][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.977519][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.985255][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.007556][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.028110][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.047425][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.067317][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.075693][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.086310][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 84.108162][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.118677][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 84.131738][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.145145][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 84.155593][ T1111] Bluetooth: hci0: command 0x0409 tx timeout [ 84.166839][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.184129][ T4393] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 84.196821][ T4393] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 84.212932][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.223096][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 84.235401][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.255000][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.265913][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.281326][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.473620][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.497632][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.512326][ T4393] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.570645][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 84.597898][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.628062][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 84.638082][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.652362][ T4393] device veth0_vlan entered promiscuous mode [ 84.660523][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.670376][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.685751][ T4393] device veth1_vlan entered promiscuous mode [ 84.732573][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 84.742678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 84.769219][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 84.779166][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.807611][ T4393] device veth0_macvtap entered promiscuous mode [ 84.830736][ T4393] device veth1_macvtap entered promiscuous mode [ 84.851602][ T4393] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.861668][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.871455][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.881401][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.891310][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.904837][ T4393] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.916686][ T4393] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.926717][ T4393] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.937452][ T4393] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.946298][ T4393] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.958645][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.969069][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 85.101051][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.124012][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.145266][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 85.161971][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.172035][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.185298][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.312448][ T4472] [ 85.315017][ T4472] ====================================================== [ 85.322046][ T4472] WARNING: possible circular locking dependency detected [ 85.329089][ T4472] 5.15.184-syzkaller #0 Not tainted [ 85.334392][ T4472] ------------------------------------------------------ [ 85.341515][ T4472] syz.0.16/4472 is trying to acquire lock: [ 85.347507][ T4472] ffff88807f710c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 85.359282][ T4472] [ 85.359282][ T4472] but task is already holding lock: [ 85.367016][ T4472] ffffffff8d4b2608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 85.377279][ T4472] [ 85.377279][ T4472] which lock already depends on the new lock. [ 85.377279][ T4472] [ 85.388251][ T4472] [ 85.388251][ T4472] the existing dependency chain (in reverse order) is: [ 85.397719][ T4472] [ 85.397719][ T4472] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 85.407222][ T4472] __mutex_lock_common+0x1eb/0x2390 [ 85.413064][ T4472] mutex_lock_nested+0x17/0x20 [ 85.418378][ T4472] rfkill_register+0x33/0x8a0 [ 85.424543][ T4472] hci_register_dev+0x452/0x970 [ 85.430148][ T4472] vhci_create_device+0x32c/0x5c0 [ 85.436339][ T4472] vhci_write+0x391/0x450 [ 85.441666][ T4472] vfs_write+0x712/0xd00 [ 85.447635][ T4472] ksys_write+0x14d/0x250 [ 85.452892][ T4472] do_syscall_64+0x4c/0xa0 [ 85.458839][ T4472] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.465793][ T4472] [ 85.465793][ T4472] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 85.474105][ T4472] __mutex_lock_common+0x1eb/0x2390 [ 85.481261][ T4472] mutex_lock_nested+0x17/0x20 [ 85.487288][ T4472] vhci_send_frame+0x88/0x100 [ 85.492806][ T4472] hci_send_frame+0x1a9/0x2e0 [ 85.498136][ T4472] hci_tx_work+0x9f9/0x1710 [ 85.503281][ T4472] process_one_work+0x863/0x1000 [ 85.509462][ T4472] worker_thread+0xaa8/0x12a0 [ 85.515399][ T4472] kthread+0x436/0x520 [ 85.520221][ T4472] ret_from_fork+0x1f/0x30 [ 85.525571][ T4472] [ 85.525571][ T4472] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 85.535413][ T4472] __flush_work+0xdd/0x1b0 [ 85.540860][ T4472] hci_dev_do_close+0x1e7/0x1030 [ 85.546664][ T4472] hci_unregister_dev+0x2d7/0x580 [ 85.552619][ T4472] vhci_release+0x73/0xc0 [ 85.557705][ T4472] __fput+0x234/0x930 [ 85.562344][ T4472] task_work_run+0x125/0x1a0 [ 85.567928][ T4472] do_exit+0x616/0x20a0 [ 85.573012][ T4472] do_group_exit+0x12e/0x300 [ 85.578583][ T4472] get_signal+0x6ca/0x12c0 [ 85.583744][ T4472] arch_do_signal_or_restart+0xc1/0x1300 [ 85.591022][ T4472] exit_to_user_mode_loop+0x9e/0x130 [ 85.596949][ T4472] exit_to_user_mode_prepare+0xb1/0x140 [ 85.603998][ T4472] syscall_exit_to_user_mode+0x16/0x40 [ 85.611312][ T4472] do_syscall_64+0x58/0xa0 [ 85.616539][ T4472] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.624271][ T4472] [ 85.624271][ T4472] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 85.635678][ T4472] __mutex_lock_common+0x1eb/0x2390 [ 85.642157][ T4472] mutex_lock_nested+0x17/0x20 [ 85.647656][ T4472] bg_scan_update+0x44/0x3b0 [ 85.653005][ T4472] process_one_work+0x863/0x1000 [ 85.658636][ T4472] worker_thread+0xaa8/0x12a0 [ 85.664853][ T4472] kthread+0x436/0x520 [ 85.669906][ T4472] ret_from_fork+0x1f/0x30 [ 85.675058][ T4472] [ 85.675058][ T4472] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 85.685445][ T4472] __lock_acquire+0x2c33/0x7c60 [ 85.691046][ T4472] lock_acquire+0x197/0x3f0 [ 85.696106][ T4472] __flush_work+0xdd/0x1b0 [ 85.701119][ T4472] __cancel_work_timer+0x3ac/0x520 [ 85.706866][ T4472] hci_request_cancel_all+0xcc/0x300 [ 85.712789][ T4472] hci_dev_do_close+0x4e/0x1030 [ 85.718362][ T4472] hci_rfkill_set_block+0x10a/0x190 [ 85.724276][ T4472] rfkill_set_block+0x1c6/0x420 [ 85.729940][ T4472] rfkill_fop_write+0x458/0x560 [ 85.735603][ T4472] vfs_write+0x300/0xd00 [ 85.741343][ T4472] ksys_write+0x14d/0x250 [ 85.746231][ T4472] do_syscall_64+0x4c/0xa0 [ 85.751404][ T4472] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.758225][ T4472] [ 85.758225][ T4472] other info that might help us debug this: [ 85.758225][ T4472] [ 85.769174][ T4472] Chain exists of: [ 85.769174][ T4472] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 85.769174][ T4472] [ 85.786470][ T4472] Possible unsafe locking scenario: [ 85.786470][ T4472] [ 85.794557][ T4472] CPU0 CPU1 [ 85.800256][ T4472] ---- ---- [ 85.805918][ T4472] lock(rfkill_global_mutex); [ 85.810801][ T4472] lock(&data->open_mutex); [ 85.818109][ T4472] lock(rfkill_global_mutex); [ 85.825412][ T4472] lock((work_completion)(&hdev->bg_scan_update)); [ 85.832400][ T4472] [ 85.832400][ T4472] *** DEADLOCK *** [ 85.832400][ T4472] [ 85.840569][ T4472] 1 lock held by syz.0.16/4472: [ 85.845705][ T4472] #0: ffffffff8d4b2608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 85.857077][ T4472] [ 85.857077][ T4472] stack backtrace: [ 85.864402][ T4472] CPU: 1 PID: 4472 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 85.872929][ T4472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 85.885193][ T4472] Call Trace: [ 85.888674][ T4472] [ 85.891759][ T4472] dump_stack_lvl+0x168/0x230 [ 85.896665][ T4472] ? load_image+0x3b0/0x3b0 [ 85.901581][ T4472] ? show_regs_print_info+0x20/0x20 [ 85.907180][ T4472] ? print_circular_bug+0x12b/0x1a0 [ 85.912831][ T4472] check_noncircular+0x274/0x310 [ 85.918054][ T4472] ? add_chain_block+0x940/0x940 [ 85.923227][ T4472] ? lockdep_lock+0xdc/0x1e0 [ 85.927859][ T4472] ? __lock_acquire+0x12d9/0x7c60 [ 85.933908][ T4472] ? lockdep_lock+0x1e0/0x1e0 [ 85.938794][ T4472] ? mark_lock+0x94/0x320 [ 85.943742][ T4472] __lock_acquire+0x2c33/0x7c60 [ 85.949296][ T4472] ? verify_lock_unused+0x140/0x140 [ 85.954790][ T4472] ? verify_lock_unused+0x140/0x140 [ 85.960350][ T4472] lock_acquire+0x197/0x3f0 [ 85.965235][ T4472] ? __flush_work+0xc1/0x1b0 [ 85.970042][ T4472] ? __lock_acquire+0x7c60/0x7c60 [ 85.976430][ T4472] ? read_lock_is_recursive+0x10/0x10 [ 85.982267][ T4472] ? start_flush_work+0x776/0x820 [ 85.987586][ T4472] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 85.993840][ T4472] ? _raw_spin_unlock+0x40/0x40 [ 85.998917][ T4472] __flush_work+0xdd/0x1b0 [ 86.003366][ T4472] ? __flush_work+0xc1/0x1b0 [ 86.008256][ T4472] ? flush_work+0x20/0x20 [ 86.012877][ T4472] ? try_to_grab_pending+0xf3/0x7e0 [ 86.018304][ T4472] ? lockdep_hardirqs_off+0x70/0x100 [ 86.023721][ T4472] ? mark_lock+0x94/0x320 [ 86.028426][ T4472] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 86.034983][ T4472] ? lock_chain_count+0x20/0x20 [ 86.040276][ T4472] ? mark_lock+0x94/0x320 [ 86.044806][ T4472] ? __cancel_work_timer+0x331/0x520 [ 86.050480][ T4472] __cancel_work_timer+0x3ac/0x520 [ 86.056182][ T4472] ? cancel_work_sync+0x20/0x20 [ 86.061245][ T4472] ? __cancel_work+0x1f4/0x2d0 [ 86.066792][ T4472] ? lockdep_hardirqs_on+0x94/0x140 [ 86.072040][ T4472] ? __cancel_work+0x26f/0x2d0 [ 86.076932][ T4472] ? cancel_work+0x20/0x20 [ 86.081553][ T4472] ? lock_chain_count+0x20/0x20 [ 86.086647][ T4472] hci_request_cancel_all+0xcc/0x300 [ 86.092151][ T4472] hci_dev_do_close+0x4e/0x1030 [ 86.097162][ T4472] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 86.103122][ T4472] ? _raw_spin_unlock+0x40/0x40 [ 86.108355][ T4472] hci_rfkill_set_block+0x10a/0x190 [ 86.113775][ T4472] ? rcu_lock_release+0x20/0x20 [ 86.118895][ T4472] rfkill_set_block+0x1c6/0x420 [ 86.123957][ T4472] rfkill_fop_write+0x458/0x560 [ 86.129010][ T4472] ? verify_lock_unused+0x140/0x140 [ 86.134240][ T4472] ? rfkill_fop_read+0x4b0/0x4b0 [ 86.139340][ T4472] ? common_file_perm+0x110/0x1c0 [ 86.144505][ T4472] ? fsnotify_perm+0x5d/0x560 [ 86.149868][ T4472] ? security_file_permission+0x75/0xa0 [ 86.155537][ T4472] ? rfkill_fop_read+0x4b0/0x4b0 [ 86.160648][ T4472] vfs_write+0x300/0xd00 [ 86.164924][ T4472] ? file_end_write+0x250/0x250 [ 86.169987][ T4472] ? __context_tracking_exit+0x4c/0x80 [ 86.175658][ T4472] ? __lock_acquire+0x7c60/0x7c60 [ 86.181160][ T4472] ? __fdget_pos+0x1e2/0x370 [ 86.185965][ T4472] ksys_write+0x14d/0x250 [ 86.190411][ T4472] ? __ia32_sys_read+0x80/0x80 [ 86.195261][ T4472] ? lockdep_hardirqs_on+0x94/0x140 [ 86.200506][ T4472] do_syscall_64+0x4c/0xa0 [ 86.205139][ T4472] ? clear_bhb_loop+0x30/0x80 [ 86.210037][ T4472] ? clear_bhb_loop+0x30/0x80 [ 86.214762][ T4472] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.220722][ T4472] RIP: 0033:0x7fd482508969 [ 86.225166][ T4472] 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 [ 86.245886][ T4472] RSP: 002b:00007ffeb71357b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.254974][ T4472] RAX: ffffffffffffffda RBX: 00007fd48272ffa0 RCX: 00007fd482508969 [ 86.263250][ T4472] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 86.273644][ T4472] RBP: 00007fd48258aab1 R08: 0000000000000000 R09: 0000000000000000 [ 86.282842][ T4472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.290925][ T4472] R13: 00007fd48272ffa0 R14: 00007fd48272ffa0 R15: 0000000000000003 [ 86.299120][ T4472] [ 86.318889][ T1111] Bluetooth: hci0: command 0x041b tx timeout