Warning: Permanently added '10.128.0.237' (ED25519) to the list of known hosts. 2026/09/17 14:16:37 parsed 1 programs 2026/09/17 14:16:37 serving rpc on tcp://42827 [ 66.595954][ T4198] cgroup: Unknown subsys name 'net' [ 66.729208][ T4198] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 68.192901][ T4198] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 70.855845][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.869800][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.881030][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.902908][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.910741][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.918603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.166043][ T1426] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.172701][ T1426] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.280618][ T4255] chnl_net:caif_netlink_parms(): no params data found [ 71.336597][ T4255] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.344239][ T4255] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.353382][ T4255] device bridge_slave_0 entered promiscuous mode [ 71.363166][ T4255] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.370440][ T4255] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.378530][ T4255] device bridge_slave_1 entered promiscuous mode [ 71.400115][ T4255] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.411633][ T4255] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.437414][ T4255] team0: Port device team_slave_0 added [ 71.445765][ T4255] team0: Port device team_slave_1 added [ 71.468041][ T4255] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.475139][ T4255] 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. [ 71.501563][ T4255] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.514914][ T4255] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.521870][ T4255] 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. [ 71.549383][ T4255] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.582270][ T4255] device hsr_slave_0 entered promiscuous mode [ 71.589717][ T4255] device hsr_slave_1 entered promiscuous mode [ 71.737847][ T4255] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.794896][ T4255] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.818447][ T4255] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.831245][ T4255] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.881132][ T4255] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.896487][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.904782][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.915407][ T4255] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.925771][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.934693][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.944003][ T3077] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.951238][ T3077] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.960226][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.973619][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.982596][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.991146][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.998220][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.009244][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.021010][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.033008][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.041678][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.054576][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.064696][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.074724][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.085949][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.094383][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.106469][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.114966][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.126433][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.227275][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.234902][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.248531][ T4255] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.284764][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.293553][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.326735][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.335548][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.344189][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.351808][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.361724][ T4255] device veth0_vlan entered promiscuous mode [ 72.374289][ T4255] device veth1_vlan entered promiscuous mode [ 72.408846][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.416944][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.425130][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.435558][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.447090][ T4255] device veth0_macvtap entered promiscuous mode [ 72.457550][ T4255] device veth1_macvtap entered promiscuous mode [ 72.487132][ T4255] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.495874][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.504018][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.511907][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.521625][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.539371][ T4255] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.548559][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.558457][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.589866][ T4255] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.599369][ T4255] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.608953][ T4255] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.618528][ T4255] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/09/17 14:16:47 executed programs: 0 [ 73.872384][ T4299] chnl_net:caif_netlink_parms(): no params data found [ 73.930607][ T4299] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.938096][ T4299] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.946301][ T4299] device bridge_slave_0 entered promiscuous mode [ 73.954621][ T4299] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.961753][ T4299] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.970982][ T4299] device bridge_slave_1 entered promiscuous mode [ 73.997559][ T4299] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.009201][ T4299] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.036989][ T4299] team0: Port device team_slave_0 added [ 74.045534][ T4299] team0: Port device team_slave_1 added [ 74.066169][ T4299] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.074155][ T4299] 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. [ 74.100148][ T4299] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.112989][ T4299] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.119950][ T4299] 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. [ 74.146268][ T4299] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.184719][ T4299] device hsr_slave_0 entered promiscuous mode [ 74.191495][ T4299] device hsr_slave_1 entered promiscuous mode [ 74.198393][ T4299] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.207083][ T4299] Cannot create hsr debugfs directory [ 74.298363][ T4299] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.803629][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 77.759521][ T4299] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.882856][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 78.018880][ T4299] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.060436][ T4299] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.148600][ T4299] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.159580][ T4299] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.180395][ T4299] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.189330][ T4299] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.246775][ T4299] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.267077][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.275162][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.285802][ T4299] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.306378][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.315292][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.324039][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.331087][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.359055][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.367199][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.377187][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.385778][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.392876][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.400902][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.413828][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.439825][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.448674][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.457621][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.468810][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.477838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.500818][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.509807][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.521575][ T4299] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.533076][ T4299] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.540797][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.550121][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.616484][ T154] device hsr_slave_0 left promiscuous mode [ 78.633182][ T154] device hsr_slave_1 left promiscuous mode [ 78.643066][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.650518][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.660375][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.670193][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.680223][ T154] device bridge_slave_1 left promiscuous mode [ 78.688448][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.701564][ T154] device bridge_slave_0 left promiscuous mode [ 78.708976][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.726191][ T154] device veth1_macvtap left promiscuous mode [ 78.732374][ T154] device veth0_macvtap left promiscuous mode [ 78.739104][ T154] device veth1_vlan left promiscuous mode [ 78.745603][ T154] device veth0_vlan left promiscuous mode [ 78.904741][ T154] team0 (unregistering): Port device team_slave_1 removed [ 78.916942][ T154] team0 (unregistering): Port device team_slave_0 removed [ 78.933980][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 78.947983][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.000285][ T154] bond0 (unregistering): Released all slaves [ 79.051953][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.059688][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.071969][ T4299] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.102808][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 79.111430][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.134402][ T4299] device veth0_vlan entered promiscuous mode [ 79.140775][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 79.149712][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.158710][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.167831][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.181413][ T4299] device veth1_vlan entered promiscuous mode [ 79.202673][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.212025][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.220351][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.229235][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.239960][ T4299] device veth0_macvtap entered promiscuous mode [ 79.262703][ T4299] device veth1_macvtap entered promiscuous mode [ 79.273542][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.282014][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.293524][ T4299] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.300784][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.309479][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.321202][ T4299] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.330801][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.340403][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.351252][ T4299] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.360303][ T4299] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.369868][ T4299] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.379235][ T4299] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.427829][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.440392][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.457555][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.474291][ T3077] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.486266][ T3077] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.495270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.546529][ T4312] [ 79.548891][ T4312] ====================================================== [ 79.555920][ T4312] WARNING: possible circular locking dependency detected [ 79.562946][ T4312] syzkaller #0 Not tainted [ 79.567370][ T4312] ------------------------------------------------------ [ 79.574395][ T4312] syz.0.17/4312 is trying to acquire lock: [ 79.580196][ T4312] ffff88801d30c150 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: configfs_depend_item_unlocked+0x14f/0x430 [ 79.591734][ T4312] [ 79.591734][ T4312] but task is already holding lock: [ 79.599099][ T4312] ffffffff8cf20cc8 (tpg_instances_lock){+.+.}-{3:3}, at: usbg_make_tpg+0xf5/0x550 [ 79.608361][ T4312] [ 79.608361][ T4312] which lock already depends on the new lock. [ 79.608361][ T4312] [ 79.618764][ T4312] [ 79.618764][ T4312] the existing dependency chain (in reverse order) is: [ 79.627779][ T4312] [ 79.627779][ T4312] -> #2 (tpg_instances_lock){+.+.}-{3:3}: [ 79.635710][ T4312] __mutex_lock_common+0x1e5/0x2400 [ 79.641455][ T4312] mutex_lock_nested+0x17/0x20 [ 79.646748][ T4312] tcm_alloc+0x1d/0x2c0 [ 79.651441][ T4312] usb_get_function+0x59/0xa0 [ 79.656649][ T4312] config_usb_cfg_link+0x144/0x250 [ 79.662307][ T4312] configfs_symlink+0x5a4/0x13b0 [ 79.667777][ T4312] vfs_symlink+0x245/0x3d0 [ 79.672725][ T4312] do_symlinkat+0x1ab/0x6b0 [ 79.677768][ T4312] __x64_sys_symlinkat+0x95/0xa0 [ 79.683241][ T4312] do_syscall_64+0x4c/0xa0 [ 79.688201][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.694625][ T4312] [ 79.694625][ T4312] -> #1 (&gi->lock){+.+.}-{3:3}: [ 79.701766][ T4312] __mutex_lock_common+0x1e5/0x2400 [ 79.707498][ T4312] mutex_lock_nested+0x17/0x20 [ 79.712815][ T4312] config_usb_cfg_link+0x55/0x250 [ 79.718373][ T4312] configfs_symlink+0x5a4/0x13b0 [ 79.723855][ T4312] vfs_symlink+0x245/0x3d0 [ 79.728822][ T4312] do_symlinkat+0x1ab/0x6b0 [ 79.733885][ T4312] __x64_sys_symlinkat+0x95/0xa0 [ 79.739360][ T4312] do_syscall_64+0x4c/0xa0 [ 79.744311][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.750743][ T4312] [ 79.750743][ T4312] -> #0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}: [ 79.759452][ T4312] __lock_acquire+0x2c66/0x7b50 [ 79.764924][ T4312] lock_acquire+0x19e/0x400 [ 79.769963][ T4312] down_write+0x38/0x60 [ 79.774648][ T4312] configfs_depend_item_unlocked+0x14f/0x430 [ 79.781162][ T4312] usbg_make_tpg+0x1dd/0x550 [ 79.786280][ T4312] target_fabric_make_tpg+0xa0/0x6d0 [ 79.792142][ T4312] configfs_mkdir+0x511/0x9e0 [ 79.797348][ T4312] vfs_mkdir+0x386/0x570 [ 79.802131][ T4312] do_mkdirat+0x1dd/0x5c0 [ 79.806994][ T4312] __x64_sys_mkdirat+0x85/0x90 [ 79.812295][ T4312] do_syscall_64+0x4c/0xa0 [ 79.817274][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.823712][ T4312] [ 79.823712][ T4312] other info that might help us debug this: [ 79.823712][ T4312] [ 79.833967][ T4312] Chain exists of: [ 79.833967][ T4312] &sb->s_type->i_mutex_key#21 --> &gi->lock --> tpg_instances_lock [ 79.833967][ T4312] [ 79.847824][ T4312] Possible unsafe locking scenario: [ 79.847824][ T4312] [ 79.855315][ T4312] CPU0 CPU1 [ 79.860690][ T4312] ---- ---- [ 79.866059][ T4312] lock(tpg_instances_lock); [ 79.870752][ T4312] lock(&gi->lock); [ 79.877179][ T4312] lock(tpg_instances_lock); [ 79.884393][ T4312] lock(&sb->s_type->i_mutex_key#21); [ 79.889873][ T4312] [ 79.889873][ T4312] *** DEADLOCK *** [ 79.889873][ T4312] [ 79.898119][ T4312] 4 locks held by syz.0.17/4312: [ 79.903068][ T4312] #0: ffff88801d84e460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 [ 79.912324][ T4312] #1: ffff888070bcb900 (&sb->s_type->i_mutex_key#7/1){+.+.}-{3:3}, at: filename_create+0x20b/0x450 [ 79.923145][ T4312] #2: ffffffff8cc24710 (&subsys->su_mutex){+.+.}-{3:3}, at: configfs_mkdir+0x4b5/0x9e0 [ 79.932912][ T4312] #3: ffffffff8cf20cc8 (tpg_instances_lock){+.+.}-{3:3}, at: usbg_make_tpg+0xf5/0x550 [ 79.942594][ T4312] [ 79.942594][ T4312] stack backtrace: [ 79.948622][ T4312] CPU: 1 PID: 4312 Comm: syz.0.17 Not tainted syzkaller #0 [ 79.955828][ T4312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 79.963515][ T4311] Bluetooth: hci0: command 0x040f tx timeout [ 79.965909][ T4312] Call Trace: [ 79.975176][ T4312] [ 79.978124][ T4312] dump_stack_lvl+0x188/0x250 [ 79.982820][ T4312] ? load_image+0x410/0x410 [ 79.987348][ T4312] ? show_regs_print_info+0x20/0x20 [ 79.992565][ T4312] ? print_circular_bug+0x12b/0x1a0 [ 79.997773][ T4312] check_noncircular+0x296/0x330 [ 80.002723][ T4312] ? look_up_lock_class+0x71/0x110 [ 80.007841][ T4312] ? add_chain_block+0x9b0/0x9b0 [ 80.012798][ T4312] ? lockdep_lock+0xf1/0x1f0 [ 80.017412][ T4312] ? mark_lock+0x94/0x320 [ 80.021775][ T4312] ? mark_lock+0x94/0x320 [ 80.026107][ T4312] ? _find_first_zero_bit+0xd1/0xf0 [ 80.031323][ T4312] __lock_acquire+0x2c66/0x7b50 [ 80.036204][ T4312] ? verify_lock_unused+0x140/0x140 [ 80.041415][ T4312] ? __mutex_trylock_common+0x15c/0x260 [ 80.046978][ T4312] ? rcu_lock_release+0x20/0x20 [ 80.051853][ T4312] lock_acquire+0x19e/0x400 [ 80.056375][ T4312] ? configfs_depend_item_unlocked+0x14f/0x430 [ 80.062552][ T4312] ? __might_sleep+0xf0/0xf0 [ 80.067160][ T4312] ? __kasan_kmalloc+0xc6/0xe0 [ 80.071947][ T4312] ? read_lock_is_recursive+0x10/0x10 [ 80.077329][ T4312] ? mutex_lock_io_nested+0x60/0x60 [ 80.082549][ T4312] down_write+0x38/0x60 [ 80.086718][ T4312] ? configfs_depend_item_unlocked+0x14f/0x430 [ 80.092884][ T4312] configfs_depend_item_unlocked+0x14f/0x430 [ 80.098870][ T4312] usbg_make_tpg+0x1dd/0x550 [ 80.103468][ T4312] ? mutex_lock_io_nested+0x60/0x60 [ 80.108681][ T4312] ? usbg_drop_tport+0x20/0x20 [ 80.113451][ T4312] ? vscnprintf+0x80/0x80 [ 80.117881][ T4312] target_fabric_make_tpg+0xa0/0x6d0 [ 80.123179][ T4312] ? target_fabric_release_wwn+0xa0/0xa0 [ 80.128830][ T4312] configfs_mkdir+0x511/0x9e0 [ 80.133534][ T4312] vfs_mkdir+0x386/0x570 [ 80.137788][ T4312] do_mkdirat+0x1dd/0x5c0 [ 80.142131][ T4312] ? vfs_mkdir+0x570/0x570 [ 80.146565][ T4312] __x64_sys_mkdirat+0x85/0x90 [ 80.151350][ T4312] do_syscall_64+0x4c/0xa0 [ 80.155779][ T4312] ? clear_bhb_loop+0x30/0x80 [ 80.160467][ T4312] ? clear_bhb_loop+0x30/0x80 [ 80.165153][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 80.171061][ T4312] RIP: 0033:0x7f5dd86bb159 [ 80.175492][ T4312] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 80.195209][ T4312] RSP: 002b:00007ffd1d7fda48 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 80.203645][ T4312] RAX: ffffffffffffffda RBX: 00007f5dd8942fa0 RCX: 00007f5dd86bb159 [ 80.211630][ T4312] RDX: 00000000000001ff RSI: 00002000000003c0 RDI: ffffffffffffff9c [ 80.219613][ T4312] RBP: 00007f5dd875206b R08: 0000000000000000 R09: 0000000000000000 [ 80.227612][ T4312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.235602][ T4312] R13: 00007f5dd8942fac R14: 00007f5dd8942fa0 R15: 00007f5dd8942fa0 [ 80.243640][ T4312]