Warning: Permanently added '10.128.0.60' (ED25519) to the list of known hosts. 1970/01/01 00:00:51 parsed 1 programs 1970/01/01 00:00:51 serving rpc on tcp://39943 [ 52.532565][ T4726] cgroup: Unknown subsys name 'net' [ 52.673210][ T4726] cgroup: Unknown subsys name 'cpuset' [ 52.675297][ T4726] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 52.879027][ T4726] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 56.763914][ 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. [ 57.108150][ T4750] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.108376][ T4750] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.108438][ T4750] bridge_slave_0: entered allmulticast mode [ 57.108906][ T4750] bridge_slave_0: entered promiscuous mode [ 57.110090][ T4750] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.110139][ T4750] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.110184][ T4750] bridge_slave_1: entered allmulticast mode [ 57.110578][ T4750] bridge_slave_1: entered promiscuous mode [ 57.117091][ T4750] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.117962][ T4750] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.124390][ T4750] team0: Port device team_slave_0 added [ 57.125412][ T4750] team0: Port device team_slave_1 added [ 57.132282][ T4750] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.132307][ T4750] 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. [ 57.132332][ T4750] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.133155][ T4750] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.133171][ T4750] 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. [ 57.133192][ T4750] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.144526][ T4750] hsr_slave_0: entered promiscuous mode [ 57.144854][ T4750] hsr_slave_1: entered promiscuous mode [ 57.204022][ T4750] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.207722][ T4750] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 57.208420][ T4750] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.209993][ T4750] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 57.210277][ T4750] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.212169][ T4750] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 57.212958][ T4750] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.214807][ T4750] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 57.223583][ T4750] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.223633][ T4750] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.223786][ T4750] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.223814][ T4750] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.240739][ T4750] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.245637][ T1182] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.247003][ T1182] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.251775][ T4750] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.255078][ T1182] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.255122][ T1182] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.257391][ T1182] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.257417][ T1182] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.347872][ T4750] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.362691][ T4750] veth0_vlan: entered promiscuous mode [ 57.366729][ T4750] veth1_vlan: entered promiscuous mode [ 57.373865][ T4750] veth0_macvtap: entered promiscuous mode [ 57.374957][ T4750] veth1_macvtap: entered promiscuous mode [ 57.378946][ T4750] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.380106][ T4750] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.383662][ T1182] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.387185][ T1182] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.387232][ T1182] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.387254][ T1182] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.489646][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.587244][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.596853][ T1182] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.596878][ T1182] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.607329][ T3285] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.607356][ T3285] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.634344][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.686606][ T4799] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.687841][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.689657][ T4799] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.691848][ T4799] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.693659][ T4799] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.695269][ T4799] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:58 executed programs: 0 [ 58.426082][ T4799] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.426425][ T4799] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.426587][ T4799] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.426913][ T4799] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.427108][ T4799] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.556628][ T4832] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.556712][ T4832] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.556779][ T4832] bridge_slave_0: entered allmulticast mode [ 58.557212][ T4832] bridge_slave_0: entered promiscuous mode [ 58.558543][ T4832] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.558586][ T4832] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.558647][ T4832] bridge_slave_1: entered allmulticast mode [ 58.559083][ T4832] bridge_slave_1: entered promiscuous mode [ 58.566484][ T4832] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.567464][ T4832] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.576020][ T4832] team0: Port device team_slave_0 added [ 58.576845][ T4832] team0: Port device team_slave_1 added [ 58.583102][ T4832] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.583121][ T4832] 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. [ 58.583136][ T4832] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.583672][ T4832] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.583678][ T4832] 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. [ 58.583692][ T4832] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.593931][ T4832] hsr_slave_0: entered promiscuous mode [ 58.594417][ T4832] hsr_slave_1: entered promiscuous mode [ 58.594644][ T4832] debugfs: 'hsr0' already exists in 'hsr' [ 58.594685][ T4832] Cannot create hsr debugfs directory [ 60.491528][ T50] Bluetooth: hci0: command tx timeout [ 60.939288][ T39] bridge_slave_1: left allmulticast mode [ 60.940677][ T39] bridge_slave_1: left promiscuous mode [ 60.941187][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.948387][ T39] bridge_slave_0: left allmulticast mode [ 60.948412][ T39] bridge_slave_0: left promiscuous mode [ 60.948617][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.004096][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 61.032634][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 61.082090][ T39] bond0 (unregistering): Released all slaves [ 61.145350][ T39] hsr_slave_0: left promiscuous mode [ 61.146804][ T39] hsr_slave_1: left promiscuous mode [ 61.148088][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 61.149228][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 61.151208][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 61.151229][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 61.157711][ T39] veth1_macvtap: left promiscuous mode [ 61.157760][ T39] veth0_macvtap: left promiscuous mode [ 61.157825][ T39] veth1_vlan: left promiscuous mode [ 61.157870][ T39] veth0_vlan: left promiscuous mode [ 61.251857][ T39] team0 (unregistering): Port device team_slave_1 removed [ 61.255719][ T39] team0 (unregistering): Port device team_slave_0 removed [ 61.299855][ T4397] 8021q: adding VLAN 0 to HW filter on device eth0 [ 61.554697][ T4832] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.558085][ T4832] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 61.558532][ T4832] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.560954][ T4832] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 61.562804][ T4832] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.565211][ T4832] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 61.567023][ T4832] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.570291][ T4832] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 61.605414][ T4832] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.610607][ T4832] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.614616][ T3285] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.614659][ T3285] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.620858][ T1182] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.620903][ T1182] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.638937][ T4832] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.641112][ T4832] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.929645][ T4832] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.944783][ T4832] veth0_vlan: entered promiscuous mode [ 61.974497][ T4832] veth1_vlan: entered promiscuous mode [ 61.983902][ T4832] veth0_macvtap: entered promiscuous mode [ 61.985027][ T4832] veth1_macvtap: entered promiscuous mode [ 61.988588][ T4832] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.989540][ T4832] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.991653][ T15] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.993426][ T15] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.993463][ T15] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.993485][ T15] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.061682][ T3285] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.061711][ T3285] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.068940][ T3285] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.069085][ T3285] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.141434][ T4923] [ 62.141884][ T4923] ====================================================== [ 62.143055][ T4923] WARNING: possible circular locking dependency detected [ 62.144201][ T4923] syzkaller #0 Not tainted [ 62.144902][ T4923] ------------------------------------------------------ [ 62.146049][ T4923] syz.0.18/4923 is trying to acquire lock: [ 62.146966][ T4923] ffff80008970de48 (gadget_subsys.su_mutex){+.+.}-{4:4}, at: uvcg_extension_allow_link+0x70/0x1f8 [ 62.148714][ T4923] [ 62.148714][ T4923] but task is already holding lock: [ 62.150045][ T4923] ffff0000eca29900 (&sb->s_type->i_mutex_key#23){+.+.}-{4:4}, at: configfs_symlink+0x394/0xde0 [ 62.151826][ T4923] [ 62.151826][ T4923] which lock already depends on the new lock. [ 62.151826][ T4923] [ 62.153708][ T4923] [ 62.153708][ T4923] the existing dependency chain (in reverse order) is: [ 62.155266][ T4923] [ 62.155266][ T4923] -> #2 (&sb->s_type->i_mutex_key#23){+.+.}-{4:4}: [ 62.156740][ T4923] down_write+0x50/0xc0 [ 62.157509][ T4923] configfs_depend_item_unlocked+0x154/0x344 [ 62.158610][ T4923] usbg_make_tpg+0x230/0x4b4 [ 62.159496][ T4923] target_fabric_make_tpg+0x98/0x518 [ 62.160476][ T4923] configfs_mkdir+0x374/0x7d4 [ 62.161361][ T4923] vfs_mkdir+0x2dc/0x464 [ 62.162148][ T4923] filename_mkdirat+0x228/0x3f4 [ 62.163051][ T4923] __arm64_sys_mkdirat+0x94/0xb8 [ 62.163924][ T4923] invoke_syscall+0x98/0x244 [ 62.164789][ T4923] el0_svc_common+0xec/0x23c [ 62.165652][ T4923] do_el0_svc+0x4c/0x5c [ 62.166457][ T4923] el0_svc+0x64/0x260 [ 62.167306][ T4923] el0t_64_sync_handler+0x48/0x148 [ 62.168276][ T4923] el0t_64_sync+0x198/0x19c [ 62.169122][ T4923] [ 62.169122][ T4923] -> #1 (&opts->dep_lock){+.+.}-{4:4}: [ 62.170409][ T4923] __mutex_lock+0x164/0xf14 [ 62.171269][ T4923] mutex_lock_nested+0x24/0x30 [ 62.172190][ T4923] tcm_set_name+0x34/0xd0 [ 62.173030][ T4923] function_make+0x18c/0x300 [ 62.173948][ T4923] configfs_mkdir+0x374/0x7d4 [ 62.174885][ T4923] vfs_mkdir+0x2dc/0x464 [ 62.175696][ T4923] filename_mkdirat+0x228/0x3f4 [ 62.176591][ T4923] __arm64_sys_mkdirat+0x94/0xb8 [ 62.177565][ T4923] invoke_syscall+0x98/0x244 [ 62.178451][ T4923] el0_svc_common+0xec/0x23c [ 62.179331][ T4923] do_el0_svc+0x4c/0x5c [ 62.180175][ T4923] el0_svc+0x64/0x260 [ 62.180968][ T4923] el0t_64_sync_handler+0x48/0x148 [ 62.181891][ T4923] el0t_64_sync+0x198/0x19c [ 62.182753][ T4923] [ 62.182753][ T4923] -> #0 (gadget_subsys.su_mutex){+.+.}-{4:4}: [ 62.184135][ T4923] __lock_acquire+0x17c0/0x2ebc [ 62.185001][ T4923] lock_acquire+0x140/0x364 [ 62.185829][ T4923] __mutex_lock+0x164/0xf14 [ 62.186665][ T4923] mutex_lock_nested+0x24/0x30 [ 62.187517][ T4923] uvcg_extension_allow_link+0x70/0x1f8 [ 62.188484][ T4923] configfs_symlink+0x478/0xde0 [ 62.189371][ T4923] vfs_symlink+0x16c/0x290 [ 62.190183][ T4923] filename_symlinkat+0x18c/0x328 [ 62.191101][ T4923] __arm64_sys_symlinkat+0xa8/0xd4 [ 62.192025][ T4923] invoke_syscall+0x98/0x244 [ 62.192854][ T4923] el0_svc_common+0xec/0x23c [ 62.193690][ T4923] do_el0_svc+0x4c/0x5c [ 62.194457][ T4923] el0_svc+0x64/0x260 [ 62.195170][ T4923] el0t_64_sync_handler+0x48/0x148 [ 62.196114][ T4923] el0t_64_sync+0x198/0x19c [ 62.196908][ T4923] [ 62.196908][ T4923] other info that might help us debug this: [ 62.196908][ T4923] [ 62.198464][ T4923] Chain exists of: [ 62.198464][ T4923] gadget_subsys.su_mutex --> &opts->dep_lock --> &sb->s_type->i_mutex_key#23 [ 62.198464][ T4923] [ 62.200910][ T4923] Possible unsafe locking scenario: [ 62.200910][ T4923] [ 62.202099][ T4923] CPU0 CPU1 [ 62.202988][ T4923] ---- ---- [ 62.203910][ T4923] lock(&sb->s_type->i_mutex_key#23); [ 62.204852][ T4923] lock(&opts->dep_lock); [ 62.206014][ T4923] lock(&sb->s_type->i_mutex_key#23); [ 62.207335][ T4923] lock(gadget_subsys.su_mutex); [ 62.208182][ T4923] [ 62.208182][ T4923] *** DEADLOCK *** [ 62.208182][ T4923] [ 62.209556][ T4923] 2 locks held by syz.0.18/4923: [ 62.210354][ T4923] #0: ffff0000c447e450 (sb_writers#11){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 62.211931][ T4923] #1: ffff0000eca29900 (&sb->s_type->i_mutex_key#23){+.+.}-{4:4}, at: configfs_symlink+0x394/0xde0 [ 62.213793][ T4923] [ 62.213793][ T4923] stack backtrace: [ 62.214783][ T4923] CPU: 0 UID: 0 PID: 4923 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT [ 62.216229][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 62.217876][ T4923] Call trace: [ 62.218425][ T4923] show_stack+0x2c/0x3c (C) [ 62.219184][ T4923] __dump_stack+0x30/0x40 [ 62.219909][ T4923] dump_stack_lvl+0xd8/0x12c [ 62.220674][ T4923] dump_stack+0x1c/0x28 [ 62.221379][ T4923] print_circular_bug+0x328/0x330 [ 62.222250][ T4923] check_noncircular+0x158/0x174 [ 62.223128][ T4923] __lock_acquire+0x17c0/0x2ebc [ 62.223998][ T4923] lock_acquire+0x140/0x364 [ 62.224736][ T4923] __mutex_lock+0x164/0xf14 [ 62.225503][ T4923] mutex_lock_nested+0x24/0x30 [ 62.226363][ T4923] uvcg_extension_allow_link+0x70/0x1f8 [ 62.227331][ T4923] configfs_symlink+0x478/0xde0 [ 62.228130][ T4923] vfs_symlink+0x16c/0x290 [ 62.228845][ T4923] filename_symlinkat+0x18c/0x328 [ 62.229681][ T4923] __arm64_sys_symlinkat+0xa8/0xd4 [ 62.230547][ T4923] invoke_syscall+0x98/0x244 [ 62.231332][ T4923] el0_svc_common+0xec/0x23c [ 62.232142][ T4923] do_el0_svc+0x4c/0x5c [ 62.232839][ T4923] el0_svc+0x64/0x260 [ 62.233535][ T4923] el0t_64_sync_handler+0x48/0x148 [ 62.234417][ T4923] el0t_64_sync+0x198/0x19c [ 62.571202][ T50] Bluetooth: hci0: command tx timeout 1970/01/01 00:01:03 executed programs: 67 [ 64.491953][ T866] cfg80211: failed to load regulatory.db [ 64.493168][ T1594] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.493986][ T1594] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.651213][ T50] Bluetooth: hci0: command tx timeout [ 66.731165][ T50] Bluetooth: hci0: command tx timeout 1970/01/01 00:01:08 executed programs: 358