Warning: Permanently added '10.128.0.118' (ED25519) to the list of known hosts. 2025/07/30 11:52:39 ignoring optional flag "sandboxArg"="0" 2025/07/30 11:52:40 parsed 1 programs [ 72.463759][ T4188] cgroup: Unknown subsys name 'net' [ 72.604383][ T4188] cgroup: Unknown subsys name 'rlimit' [ 74.052115][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 75.450201][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.468379][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.477824][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.512226][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.521190][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.532715][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 77.784669][ T4252] chnl_net:caif_netlink_parms(): no params data found [ 77.846028][ T4252] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.854435][ T4252] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.864711][ T4252] device bridge_slave_0 entered promiscuous mode [ 77.883858][ T4252] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.891223][ T4252] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.899750][ T4252] device bridge_slave_1 entered promiscuous mode [ 78.017558][ T4252] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.030479][ T4252] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.074383][ T4252] team0: Port device team_slave_0 added [ 78.081812][ T4252] team0: Port device team_slave_1 added [ 78.101721][ T4252] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.109067][ T4252] 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. [ 78.135386][ T4252] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.148094][ T4252] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.155067][ T4252] 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. [ 78.181693][ T4252] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.214102][ T4252] device hsr_slave_0 entered promiscuous mode [ 78.221256][ T4252] device hsr_slave_1 entered promiscuous mode [ 78.317736][ T4252] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.329495][ T4252] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.339871][ T4252] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.349597][ T4252] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.375647][ T4252] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.382978][ T4252] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.391039][ T4252] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.398328][ T4252] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.443709][ T4252] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.457710][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.469972][ T1240] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.479872][ T1240] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.494367][ T4252] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.504218][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.513533][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.523475][ T1240] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.530614][ T1240] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.548694][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.557419][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.565996][ T1240] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.573222][ T1240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.581104][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.589886][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.600866][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.609791][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.642084][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.652867][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.662125][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.674189][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.683002][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.719462][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.728595][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.739500][ T4252] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.864567][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.873818][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.886430][ T4252] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.924568][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.933509][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.952955][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.961776][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.973360][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.981866][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.991836][ T4252] device veth0_vlan entered promiscuous mode [ 79.031055][ T4252] device veth1_vlan entered promiscuous mode [ 79.051531][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.060692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.069032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.077658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.088708][ T4252] device veth0_macvtap entered promiscuous mode [ 79.099940][ T4252] device veth1_macvtap entered promiscuous mode [ 79.137393][ T4252] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.145188][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.153583][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.162506][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.171945][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.188790][ T4252] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.196272][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.205450][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.217348][ T4252] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.226289][ T4252] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.236034][ T4252] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.245956][ T4252] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/07/30 11:52:49 executed programs: 0 [ 79.921103][ T4293] chnl_net:caif_netlink_parms(): no params data found [ 79.988362][ T4293] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.995723][ T4293] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.004299][ T4293] device bridge_slave_0 entered promiscuous mode [ 80.013397][ T4293] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.020943][ T4293] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.029909][ T4293] device bridge_slave_1 entered promiscuous mode [ 80.058873][ T4293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.072266][ T4293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.103848][ T4293] team0: Port device team_slave_0 added [ 80.111778][ T4293] team0: Port device team_slave_1 added [ 80.137087][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.144757][ T4293] 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. [ 80.171043][ T4293] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.184028][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.191152][ T4293] 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. [ 80.217371][ T4293] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.273967][ T4293] device hsr_slave_0 entered promiscuous mode [ 80.281077][ T4293] device hsr_slave_1 entered promiscuous mode [ 80.290818][ T4293] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.300027][ T4293] Cannot create hsr debugfs directory [ 80.407745][ T4293] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.818929][ T4273] Bluetooth: hci0: command 0x0409 tx timeout [ 83.275604][ T4293] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.898063][ T4272] Bluetooth: hci0: command 0x041b tx timeout [ 84.264134][ T4293] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.316306][ T4293] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.503559][ T4293] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.513517][ T4293] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.523026][ T4293] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.540671][ T4293] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.605073][ T4293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.617636][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 84.625699][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.636110][ T4293] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.654033][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.662976][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.673136][ T1240] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.680246][ T1240] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.689545][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.705851][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.714585][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.723547][ T1240] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.730738][ T1240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.749657][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 84.758932][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.767682][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 84.776732][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.787341][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.799742][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 84.810317][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.823416][ T154] device hsr_slave_0 left promiscuous mode [ 84.831734][ T154] device hsr_slave_1 left promiscuous mode [ 84.838467][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 84.846023][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 84.855103][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 84.862970][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 84.870921][ T154] device bridge_slave_1 left promiscuous mode [ 84.878085][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.893252][ T154] device bridge_slave_0 left promiscuous mode [ 84.899834][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.917513][ T154] device veth1_macvtap left promiscuous mode [ 84.924715][ T154] device veth0_macvtap left promiscuous mode [ 84.931248][ T154] device veth1_vlan left promiscuous mode [ 84.937336][ T154] device veth0_vlan left promiscuous mode [ 85.094583][ T154] team0 (unregistering): Port device team_slave_1 removed [ 85.115420][ T154] team0 (unregistering): Port device team_slave_0 removed [ 85.132712][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 85.146419][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 85.205891][ T154] bond0 (unregistering): Released all slaves [ 85.251007][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 85.259604][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.269393][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 85.277820][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.289721][ T4293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 85.400290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 85.407833][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 85.424061][ T4293] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.442554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 85.452020][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 85.471156][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 85.479768][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 85.490763][ T4293] device veth0_vlan entered promiscuous mode [ 85.497732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 85.505887][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 85.519295][ T4293] device veth1_vlan entered promiscuous mode [ 85.547223][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 85.556148][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 85.564642][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 85.573280][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 85.585919][ T4293] device veth0_macvtap entered promiscuous mode [ 85.600194][ T4293] device veth1_macvtap entered promiscuous mode [ 85.615840][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.624171][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 85.634021][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 85.642163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 85.651251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 85.664413][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.672342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 85.681535][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 85.695158][ T4293] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.704869][ T4293] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.713696][ T4293] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.723089][ T4293] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.787257][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.809111][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.819292][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 85.827397][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.837082][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.849571][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.911501][ T4312] [ 85.913878][ T4312] ====================================================== [ 85.920898][ T4312] WARNING: possible circular locking dependency detected [ 85.927933][ T4312] 5.15.189-syzkaller #0 Not tainted [ 85.933133][ T4312] ------------------------------------------------------ [ 85.940239][ T4312] syz.0.16/4312 is trying to acquire lock: [ 85.946048][ T4312] ffff88802855cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 85.957128][ T4312] [ 85.957128][ T4312] but task is already holding lock: [ 85.964497][ T4312] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 85.974182][ T4312] [ 85.974182][ T4312] which lock already depends on the new lock. [ 85.974182][ T4312] [ 85.984708][ T4312] [ 85.984708][ T4312] the existing dependency chain (in reverse order) is: [ 85.993739][ T4312] [ 85.993739][ T4312] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 86.001755][ T4312] __mutex_lock_common+0x1eb/0x2390 [ 86.007492][ T4312] mutex_lock_nested+0x17/0x20 [ 86.012797][ T4312] rfkill_register+0x33/0x8a0 [ 86.018037][ T4274] Bluetooth: hci0: command 0x040f tx timeout [ 86.018035][ T4312] hci_register_dev+0x452/0x970 [ 86.018057][ T4312] vhci_create_device+0x32c/0x5c0 [ 86.035040][ T4312] vhci_write+0x391/0x450 [ 86.039913][ T4312] vfs_write+0x712/0xd00 [ 86.044691][ T4312] ksys_write+0x14d/0x250 [ 86.049576][ T4312] do_syscall_64+0x4c/0xa0 [ 86.054538][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.060975][ T4312] [ 86.060975][ T4312] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 86.068816][ T4312] __mutex_lock_common+0x1eb/0x2390 [ 86.074577][ T4312] mutex_lock_nested+0x17/0x20 [ 86.079900][ T4312] vhci_send_frame+0x88/0x100 [ 86.085134][ T4312] hci_send_frame+0x1a9/0x2e0 [ 86.090370][ T4312] hci_tx_work+0x9f9/0x1710 [ 86.095421][ T4312] process_one_work+0x863/0x1000 [ 86.100902][ T4312] worker_thread+0xaa8/0x12a0 [ 86.106125][ T4312] kthread+0x436/0x520 [ 86.110736][ T4312] ret_from_fork+0x1f/0x30 [ 86.115700][ T4312] [ 86.115700][ T4312] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 86.125029][ T4312] __flush_work+0xdd/0x1b0 [ 86.130083][ T4312] hci_dev_do_close+0x1e7/0x1030 [ 86.135572][ T4312] hci_unregister_dev+0x2d7/0x580 [ 86.141147][ T4312] vhci_release+0x73/0xc0 [ 86.146027][ T4312] __fput+0x234/0x930 [ 86.150543][ T4312] task_work_run+0x125/0x1a0 [ 86.155670][ T4312] do_exit+0x61e/0x20a0 [ 86.160375][ T4312] do_group_exit+0x12e/0x300 [ 86.165504][ T4312] get_signal+0x6ca/0x12c0 [ 86.170470][ T4312] arch_do_signal_or_restart+0xc1/0x1300 [ 86.176917][ T4312] exit_to_user_mode_loop+0x9e/0x130 [ 86.183276][ T4312] exit_to_user_mode_prepare+0xb1/0x140 [ 86.190047][ T4312] syscall_exit_to_user_mode+0x16/0x40 [ 86.196639][ T4312] do_syscall_64+0x58/0xa0 [ 86.201963][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.208847][ T4312] [ 86.208847][ T4312] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 86.216842][ T4312] __mutex_lock_common+0x1eb/0x2390 [ 86.222597][ T4312] mutex_lock_nested+0x17/0x20 [ 86.227920][ T4312] bg_scan_update+0x44/0x3b0 [ 86.233053][ T4312] process_one_work+0x863/0x1000 [ 86.238617][ T4312] worker_thread+0xaa8/0x12a0 [ 86.243824][ T4312] kthread+0x436/0x520 [ 86.248417][ T4312] ret_from_fork+0x1f/0x30 [ 86.253363][ T4312] [ 86.253363][ T4312] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 86.263355][ T4312] __lock_acquire+0x2c33/0x7c60 [ 86.268729][ T4312] lock_acquire+0x197/0x3f0 [ 86.273753][ T4312] __flush_work+0xdd/0x1b0 [ 86.278806][ T4312] __cancel_work_timer+0x3ac/0x520 [ 86.284439][ T4312] hci_request_cancel_all+0xcc/0x300 [ 86.290254][ T4312] hci_dev_do_close+0x4e/0x1030 [ 86.295635][ T4312] hci_rfkill_set_block+0x10a/0x190 [ 86.301483][ T4312] rfkill_set_block+0x1c6/0x420 [ 86.306874][ T4312] rfkill_fop_write+0x458/0x560 [ 86.312257][ T4312] do_iter_write+0x3e4/0x7b0 [ 86.317397][ T4312] do_writev+0x254/0x410 [ 86.322183][ T4312] do_syscall_64+0x4c/0xa0 [ 86.327123][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.333546][ T4312] [ 86.333546][ T4312] other info that might help us debug this: [ 86.333546][ T4312] [ 86.343771][ T4312] Chain exists of: [ 86.343771][ T4312] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 86.343771][ T4312] [ 86.359492][ T4312] Possible unsafe locking scenario: [ 86.359492][ T4312] [ 86.366937][ T4312] CPU0 CPU1 [ 86.372316][ T4312] ---- ---- [ 86.377675][ T4312] lock(rfkill_global_mutex); [ 86.382440][ T4312] lock(&data->open_mutex); [ 86.389548][ T4312] lock(rfkill_global_mutex); [ 86.396832][ T4312] lock((work_completion)(&hdev->bg_scan_update)); [ 86.403419][ T4312] [ 86.403419][ T4312] *** DEADLOCK *** [ 86.403419][ T4312] [ 86.411563][ T4312] 1 lock held by syz.0.16/4312: [ 86.416508][ T4312] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 86.426692][ T4312] [ 86.426692][ T4312] stack backtrace: [ 86.432599][ T4312] CPU: 0 PID: 4312 Comm: syz.0.16 Not tainted 5.15.189-syzkaller #0 [ 86.440577][ T4312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 86.450840][ T4312] Call Trace: [ 86.454121][ T4312] [ 86.457056][ T4312] dump_stack_lvl+0x168/0x230 [ 86.461738][ T4312] ? load_image+0x3b0/0x3b0 [ 86.466258][ T4312] ? show_regs_print_info+0x20/0x20 [ 86.471478][ T4312] ? print_circular_bug+0x12b/0x1a0 [ 86.476697][ T4312] check_noncircular+0x274/0x310 [ 86.481731][ T4312] ? add_chain_block+0x940/0x940 [ 86.486677][ T4312] ? lockdep_lock+0xdc/0x1e0 [ 86.491270][ T4312] ? __lock_acquire+0x12d9/0x7c60 [ 86.496297][ T4312] ? lockdep_lock+0x1e0/0x1e0 [ 86.500980][ T4312] ? mark_lock+0x94/0x320 [ 86.505311][ T4312] __lock_acquire+0x2c33/0x7c60 [ 86.510202][ T4312] ? __lock_acquire+0x13ad/0x7c60 [ 86.515245][ T4312] ? verify_lock_unused+0x140/0x140 [ 86.520482][ T4312] ? verify_lock_unused+0x140/0x140 [ 86.525699][ T4312] ? mark_lock+0x94/0x320 [ 86.530146][ T4312] ? __lock_acquire+0x12d9/0x7c60 [ 86.535190][ T4312] lock_acquire+0x197/0x3f0 [ 86.539705][ T4312] ? __flush_work+0xc1/0x1b0 [ 86.544419][ T4312] ? __lock_acquire+0x7c60/0x7c60 [ 86.549455][ T4312] ? read_lock_is_recursive+0x10/0x10 [ 86.554830][ T4312] ? start_flush_work+0x776/0x820 [ 86.559861][ T4312] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 86.565755][ T4312] ? _raw_spin_unlock+0x40/0x40 [ 86.570616][ T4312] __flush_work+0xdd/0x1b0 [ 86.575048][ T4312] ? __flush_work+0xc1/0x1b0 [ 86.579642][ T4312] ? flush_work+0x20/0x20 [ 86.584148][ T4312] ? try_to_grab_pending+0xf3/0x7e0 [ 86.589377][ T4312] ? lockdep_hardirqs_off+0x70/0x100 [ 86.594666][ T4312] ? mark_lock+0x94/0x320 [ 86.598997][ T4312] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 86.605108][ T4312] ? lock_chain_count+0x20/0x20 [ 86.609966][ T4312] ? mark_lock+0x94/0x320 [ 86.614298][ T4312] ? __cancel_work_timer+0x331/0x520 [ 86.619681][ T4312] __cancel_work_timer+0x3ac/0x520 [ 86.624908][ T4312] ? cancel_work_sync+0x20/0x20 [ 86.629872][ T4312] ? __cancel_work+0x1f4/0x2d0 [ 86.634669][ T4312] ? lockdep_hardirqs_on+0x94/0x140 [ 86.639890][ T4312] ? __cancel_work+0x26f/0x2d0 [ 86.644674][ T4312] ? cancel_work+0x20/0x20 [ 86.649107][ T4312] ? lock_chain_count+0x20/0x20 [ 86.653982][ T4312] hci_request_cancel_all+0xcc/0x300 [ 86.659276][ T4312] hci_dev_do_close+0x4e/0x1030 [ 86.664130][ T4312] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 86.670031][ T4312] ? _raw_spin_unlock+0x40/0x40 [ 86.674888][ T4312] hci_rfkill_set_block+0x10a/0x190 [ 86.680843][ T4312] ? rcu_lock_release+0x20/0x20 [ 86.685724][ T4312] rfkill_set_block+0x1c6/0x420 [ 86.690588][ T4312] rfkill_fop_write+0x458/0x560 [ 86.695605][ T4312] ? _copy_from_user+0x111/0x170 [ 86.700647][ T4312] ? rfkill_fop_read+0x4b0/0x4b0 [ 86.705591][ T4312] ? common_file_perm+0x171/0x1c0 [ 86.710744][ T4312] ? fsnotify_perm+0x5d/0x560 [ 86.715532][ T4312] ? security_file_permission+0x75/0xa0 [ 86.721318][ T4312] do_iter_write+0x3e4/0x7b0 [ 86.725961][ T4312] do_writev+0x254/0x410 [ 86.730212][ T4312] ? do_readv+0x3e0/0x3e0 [ 86.734555][ T4312] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 86.740645][ T4312] ? lock_chain_count+0x20/0x20 [ 86.745506][ T4312] ? vtime_user_exit+0x2dc/0x400 [ 86.750451][ T4312] ? lockdep_hardirqs_on+0x94/0x140 [ 86.755651][ T4312] do_syscall_64+0x4c/0xa0 [ 86.760097][ T4312] ? clear_bhb_loop+0x30/0x80 [ 86.764777][ T4312] ? clear_bhb_loop+0x30/0x80 [ 86.769457][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.775365][ T4312] RIP: 0033:0x7f65e561b9a9 [ 86.779779][ T4312] 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 [ 86.799499][ T4312] RSP: 002b:00007ffea7330f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 86.808031][ T4312] RAX: ffffffffffffffda RBX: 00007f65e5842fa0 RCX: 00007f65e561b9a9 [ 86.816017][ T4312] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000003 [ 86.824010][ T4312] RBP: 00007f65e569dd69 R08: 0000000000000000 R09: 0000000000000000 [ 86.831981][ T4312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.839952][ T4312] R13: 00007f65e5842fa0 R14: 00007f65e5842fa0 R15: 0000000000000003 [ 86.848137][ T4312] [ 86.854519][ T1111] cfg80211: failed to load regulatory.db