Warning: Permanently added '10.128.0.4' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs 1970/01/01 00:00:32 serving rpc on tcp://41761 [ 33.650275][ T4719] cgroup: Unknown subsys name 'net' [ 33.781367][ T4719] cgroup: Unknown subsys name 'cpuset' [ 33.783286][ T4719] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.945964][ T4719] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 38.447173][ T4735] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.448597][ T4735] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.449600][ T4735] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.450060][ T4735] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.450411][ T4735] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.511788][ T4734] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 39.177729][ T4768] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.177964][ T4768] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.178023][ T4768] bridge_slave_0: entered allmulticast mode [ 39.178455][ T4768] bridge_slave_0: entered promiscuous mode [ 39.184324][ T4768] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.185182][ T4768] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.185251][ T4768] bridge_slave_1: entered allmulticast mode [ 39.185692][ T4768] bridge_slave_1: entered promiscuous mode [ 39.197232][ T4768] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.198079][ T4768] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.204896][ T4768] team0: Port device team_slave_0 added [ 39.205639][ T4768] team0: Port device team_slave_1 added [ 39.211473][ T4768] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.211497][ T4768] 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 1532 would solve the problem. [ 39.211508][ T4768] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.212204][ T4768] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.212211][ T4768] 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 1532 would solve the problem. [ 39.212226][ T4768] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.223879][ T4768] hsr_slave_0: entered promiscuous mode [ 39.224194][ T4768] hsr_slave_1: entered promiscuous mode [ 39.266716][ T4768] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.270234][ T4768] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 39.270900][ T4768] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.272208][ T4768] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 39.272729][ T4768] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.274631][ T4768] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 39.275010][ T4768] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.276799][ T4768] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 39.284648][ T4768] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.284694][ T4768] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.284836][ T4768] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.284876][ T4768] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.301207][ T4768] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.305498][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.306970][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.311762][ T4768] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.315089][ T3740] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.315130][ T3740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.321595][ T1205] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.321632][ T1205] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.413212][ T4768] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.424029][ T4768] veth0_vlan: entered promiscuous mode [ 39.427051][ T4768] veth1_vlan: entered promiscuous mode [ 39.434328][ T4768] veth0_macvtap: entered promiscuous mode [ 39.435414][ T4768] veth1_macvtap: entered promiscuous mode [ 39.439939][ T4768] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.441107][ T4768] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.444438][ T3740] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.446165][ T3740] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.448534][ T3740] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.450622][ T3740] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.526417][ T1205] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.591837][ T1205] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.676183][ T1205] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.733960][ T1205] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.825215][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.825240][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.835482][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.835507][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:00:40 executed programs: 0 [ 40.208320][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.210308][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.212009][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.213628][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.215013][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.338640][ T4831] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.338704][ T4831] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.338796][ T4831] bridge_slave_0: entered allmulticast mode [ 40.339556][ T4831] bridge_slave_0: entered promiscuous mode [ 40.341102][ T4831] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.341152][ T4831] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.341211][ T4831] bridge_slave_1: entered allmulticast mode [ 40.341661][ T4831] bridge_slave_1: entered promiscuous mode [ 40.349197][ T4831] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.350208][ T4831] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.356580][ T4831] team0: Port device team_slave_0 added [ 40.357646][ T4831] team0: Port device team_slave_1 added [ 40.363515][ T4831] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.363533][ T4831] 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 1532 would solve the problem. [ 40.363548][ T4831] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.364039][ T4831] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.364046][ T4831] 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 1532 would solve the problem. [ 40.364061][ T4831] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.374800][ T4831] hsr_slave_0: entered promiscuous mode [ 40.375129][ T4831] hsr_slave_1: entered promiscuous mode [ 40.375342][ T4831] debugfs: 'hsr0' already exists in 'hsr' [ 40.375381][ T4831] Cannot create hsr debugfs directory [ 42.249234][ T4735] Bluetooth: hci0: command tx timeout [ 42.681958][ T1205] bridge_slave_1: left allmulticast mode [ 42.683481][ T1205] bridge_slave_1: left promiscuous mode [ 42.683910][ T1205] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.689187][ T1205] bridge_slave_0: left allmulticast mode [ 42.690250][ T1205] bridge_slave_0: left promiscuous mode [ 42.690988][ T1205] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.746956][ T1205] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 42.780161][ T1205] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 42.790000][ T1205] bond0 (unregistering): Released all slaves [ 42.852844][ T1205] hsr_slave_0: left promiscuous mode [ 42.853907][ T1205] hsr_slave_1: left promiscuous mode [ 42.854234][ T1205] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 42.854249][ T1205] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 42.854642][ T1205] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 42.854653][ T1205] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 42.858481][ T1205] veth1_macvtap: left promiscuous mode [ 42.858513][ T1205] veth0_macvtap: left promiscuous mode [ 42.858557][ T1205] veth1_vlan: left promiscuous mode [ 42.858603][ T1205] veth0_vlan: left promiscuous mode [ 42.958305][ T1205] team0 (unregistering): Port device team_slave_1 removed [ 42.962233][ T1205] team0 (unregistering): Port device team_slave_0 removed [ 43.007191][ T4399] 8021q: adding VLAN 0 to HW filter on device eth0 [ 43.437683][ T4831] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.440029][ T4831] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 43.441788][ T4831] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.444148][ T4831] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 43.446260][ T4831] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.448455][ T4831] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 43.450507][ T4831] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.454277][ T4831] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 43.478118][ T4831] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.483895][ T4831] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.485847][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.485887][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.494686][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.494723][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.543361][ T4831] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.543387][ T4831] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.676925][ T4831] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.711190][ T4831] veth0_vlan: entered promiscuous mode [ 43.712975][ T4831] veth1_vlan: entered promiscuous mode [ 43.720108][ T4831] veth0_macvtap: entered promiscuous mode [ 43.721187][ T4831] veth1_macvtap: entered promiscuous mode [ 43.724386][ T4831] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.725339][ T4831] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.727378][ T3740] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.729133][ T3740] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.729173][ T3740] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.729196][ T3740] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.751761][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.751788][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.764657][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.764684][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.827784][ T4922] [ 43.828216][ T4922] ====================================================== [ 43.829399][ T4922] WARNING: possible circular locking dependency detected [ 43.830537][ T4922] syzkaller #0 Not tainted [ 43.831411][ T4922] ------------------------------------------------------ [ 43.832639][ T4922] syz.0.18/4922 is trying to acquire lock: [ 43.833669][ T4922] ffff0000c1572280 (&sb->s_type->i_mutex_key#23){+.+.}-{4:4}, at: configfs_depend_item_unlocked+0x154/0x344 [ 43.835780][ T4922] [ 43.835780][ T4922] but task is already holding lock: [ 43.837088][ T4922] ffff0000d1e0fd18 (&opts->dep_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x188/0x4b4 [ 43.838766][ T4922] [ 43.838766][ T4922] which lock already depends on the new lock. [ 43.838766][ T4922] [ 43.840464][ T4922] [ 43.840464][ T4922] the existing dependency chain (in reverse order) is: [ 43.841982][ T4922] [ 43.841982][ T4922] -> #2 (&opts->dep_lock){+.+.}-{4:4}: [ 43.843210][ T4922] __mutex_lock+0x164/0xf14 [ 43.843999][ T4922] mutex_lock_nested+0x24/0x30 [ 43.844861][ T4922] tcm_set_name+0x34/0xd0 [ 43.845678][ T4922] function_make+0x18c/0x300 [ 43.846582][ T4922] configfs_mkdir+0x374/0x7d4 [ 43.847426][ T4922] vfs_mkdir+0x2dc/0x464 [ 43.848215][ T4922] filename_mkdirat+0x228/0x3f4 [ 43.849114][ T4922] __arm64_sys_mkdirat+0x94/0xb8 [ 43.850042][ T4922] invoke_syscall+0x98/0x244 [ 43.850888][ T4922] el0_svc_common+0xec/0x23c [ 43.851753][ T4922] do_el0_svc+0x4c/0x5c [ 43.852549][ T4922] el0_svc+0x64/0x260 [ 43.853332][ T4922] el0t_64_sync_handler+0x48/0x148 [ 43.854301][ T4922] el0t_64_sync+0x198/0x19c [ 43.855178][ T4922] [ 43.855178][ T4922] -> #1 (gadget_subsys.su_mutex){+.+.}-{4:4}: [ 43.856579][ T4922] __mutex_lock+0x164/0xf14 [ 43.857399][ T4922] mutex_lock_nested+0x24/0x30 [ 43.858250][ T4922] configfs_rmdir+0x548/0x6b8 [ 43.859106][ T4922] vfs_rmdir+0x354/0x590 [ 43.859865][ T4922] filename_rmdir+0x208/0x3d0 [ 43.860699][ T4922] __arm64_sys_unlinkat+0xc8/0x104 [ 43.861606][ T4922] invoke_syscall+0x98/0x244 [ 43.862553][ T4922] el0_svc_common+0xec/0x23c [ 43.863373][ T4922] do_el0_svc+0x4c/0x5c [ 43.864161][ T4922] el0_svc+0x64/0x260 [ 43.864930][ T4922] el0t_64_sync_handler+0x48/0x148 [ 43.865893][ T4922] el0t_64_sync+0x198/0x19c [ 43.866755][ T4922] [ 43.866755][ T4922] -> #0 (&sb->s_type->i_mutex_key#23){+.+.}-{4:4}: [ 43.868238][ T4922] __lock_acquire+0x17c0/0x2ebc [ 43.869146][ T4922] lock_acquire+0x140/0x364 [ 43.869986][ T4922] down_write+0x50/0xc0 [ 43.870770][ T4922] configfs_depend_item_unlocked+0x154/0x344 [ 43.871842][ T4922] usbg_make_tpg+0x230/0x4b4 [ 43.872704][ T4922] target_fabric_make_tpg+0x98/0x518 [ 43.873641][ T4922] configfs_mkdir+0x374/0x7d4 [ 43.874498][ T4922] vfs_mkdir+0x2dc/0x464 [ 43.875229][ T4922] filename_mkdirat+0x228/0x3f4 [ 43.876144][ T4922] __arm64_sys_mkdirat+0x94/0xb8 [ 43.877051][ T4922] invoke_syscall+0x98/0x244 [ 43.877840][ T4922] el0_svc_common+0xec/0x23c [ 43.878733][ T4922] do_el0_svc+0x4c/0x5c [ 43.879464][ T4922] el0_svc+0x64/0x260 [ 43.880174][ T4922] el0t_64_sync_handler+0x48/0x148 [ 43.881111][ T4922] el0t_64_sync+0x198/0x19c [ 43.881914][ T4922] [ 43.881914][ T4922] other info that might help us debug this: [ 43.881914][ T4922] [ 43.883482][ T4922] Chain exists of: [ 43.883482][ T4922] &sb->s_type->i_mutex_key#23 --> gadget_subsys.su_mutex --> &opts->dep_lock [ 43.883482][ T4922] [ 43.885990][ T4922] Possible unsafe locking scenario: [ 43.885990][ T4922] [ 43.887184][ T4922] CPU0 CPU1 [ 43.888087][ T4922] ---- ---- [ 43.888939][ T4922] lock(&opts->dep_lock); [ 43.889673][ T4922] lock(gadget_subsys.su_mutex); [ 43.890941][ T4922] lock(&opts->dep_lock); [ 43.892094][ T4922] lock(&sb->s_type->i_mutex_key#23); [ 43.892990][ T4922] [ 43.892990][ T4922] *** DEADLOCK *** [ 43.892990][ T4922] [ 43.894376][ T4922] 5 locks held by syz.0.18/4922: [ 43.895210][ T4922] #0: ffff0000c465c450 (sb_writers#11){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 43.896785][ T4922] #1: ffff0000ef65c600 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: __start_dirop+0xa0/0xf4 [ 43.898648][ T4922] #2: ffff800089463088 (&subsys->su_mutex){+.+.}-{4:4}, at: configfs_mkdir+0x334/0x7d4 [ 43.900429][ T4922] #3: ffff80008975ba00 (tpg_instances_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x14c/0x4b4 [ 43.902206][ T4922] #4: ffff0000d1e0fd18 (&opts->dep_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x188/0x4b4 [ 43.903862][ T4922] [ 43.903862][ T4922] stack backtrace: [ 43.904845][ T4922] CPU: 1 UID: 0 PID: 4922 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT [ 43.906257][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 43.907914][ T4922] Call trace: [ 43.908452][ T4922] show_stack+0x2c/0x3c (C) [ 43.909155][ T4922] __dump_stack+0x30/0x40 [ 43.909852][ T4922] dump_stack_lvl+0xd8/0x12c [ 43.910595][ T4922] dump_stack+0x1c/0x28 [ 43.911277][ T4922] print_circular_bug+0x328/0x330 [ 43.912115][ T4922] check_noncircular+0x158/0x174 [ 43.912934][ T4922] __lock_acquire+0x17c0/0x2ebc [ 43.913761][ T4922] lock_acquire+0x140/0x364 [ 43.914504][ T4922] down_write+0x50/0xc0 [ 43.915190][ T4922] configfs_depend_item_unlocked+0x154/0x344 [ 43.916233][ T4922] usbg_make_tpg+0x230/0x4b4 [ 43.917005][ T4922] target_fabric_make_tpg+0x98/0x518 [ 43.917924][ T4922] configfs_mkdir+0x374/0x7d4 [ 43.918750][ T4922] vfs_mkdir+0x2dc/0x464 [ 43.919467][ T4922] filename_mkdirat+0x228/0x3f4 [ 43.920299][ T4922] __arm64_sys_mkdirat+0x94/0xb8 [ 43.921162][ T4922] invoke_syscall+0x98/0x244 [ 43.921995][ T4922] el0_svc_common+0xec/0x23c [ 43.922714][ T4922] do_el0_svc+0x4c/0x5c [ 43.923391][ T4922] el0_svc+0x64/0x260 [ 43.924092][ T4922] el0t_64_sync_handler+0x48/0x148 [ 43.924936][ T4922] el0t_64_sync+0x198/0x19c [ 44.328945][ T4735] Bluetooth: hci0: command tx timeout 1970/01/01 00:00:45 executed programs: 76 [ 46.410709][ T4735] Bluetooth: hci0: command tx timeout [ 48.488989][ T4735] Bluetooth: hci0: command tx timeout 1970/01/01 00:00:50 executed programs: 377