Warning: Permanently added '10.128.1.129' (ED25519) to the list of known hosts. [ 81.602486][ T820] cfg80211: failed to load regulatory.db 2026/06/05 00:53:44 parsed 1 programs [ 85.772868][ T5617] cgroup: Unknown subsys name 'net' [ 85.994448][ T5617] cgroup: Unknown subsys name 'cpuset' [ 86.069425][ T5617] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 87.758009][ T5617] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.326141][ T105] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.326167][ T105] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.426673][ T105] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.426693][ T105] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.549603][ T5677] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.551303][ T5677] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.551416][ T5677] bridge_slave_0: entered allmulticast mode [ 95.553526][ T5677] bridge_slave_0: entered promiscuous mode [ 95.562062][ T5677] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.562164][ T5677] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.562318][ T5677] bridge_slave_1: entered allmulticast mode [ 95.565922][ T5677] bridge_slave_1: entered promiscuous mode [ 95.617093][ T5677] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.620660][ T5677] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.655436][ T5677] team0: Port device team_slave_0 added [ 95.657733][ T5677] team0: Port device team_slave_1 added [ 95.693237][ T5677] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.693248][ T5677] 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. [ 95.693262][ T5677] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.695800][ T5677] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.695813][ T5677] 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. [ 95.695832][ T5677] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.784069][ T5677] hsr_slave_0: entered promiscuous mode [ 95.785528][ T5677] hsr_slave_1: entered promiscuous mode [ 95.997319][ T5677] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.042550][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 96.045072][ T5677] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.074191][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 96.076559][ T5677] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.112314][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 96.113092][ T5677] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.153093][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 96.782967][ T5677] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.076270][ T5677] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.098421][ T1142] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.099523][ T1142] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.133229][ T1142] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.133701][ T1142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.594684][ T5677] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.744848][ T5677] veth0_vlan: entered promiscuous mode [ 97.762061][ T5677] veth1_vlan: entered promiscuous mode [ 97.820094][ T5677] veth0_macvtap: entered promiscuous mode [ 97.843216][ T5677] veth1_macvtap: entered promiscuous mode [ 97.872178][ T5677] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.880450][ T5677] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.898318][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.909262][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.909306][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.909339][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.335041][ T5715] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.363314][ T5715] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.365184][ T5715] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.396386][ T5715] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.397145][ T5715] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 98.844379][ T995] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.400971][ T995] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/06/05 00:54:01 executed programs: 0 [ 100.062120][ T5715] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.080387][ T5715] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.081396][ T5715] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.082663][ T5715] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.083986][ T5715] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.187439][ T995] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.788453][ T995] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.819138][ T5735] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.819256][ T5735] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.819394][ T5735] bridge_slave_0: entered allmulticast mode [ 100.820839][ T5735] bridge_slave_0: entered promiscuous mode [ 100.824025][ T5735] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.824139][ T5735] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.824244][ T5735] bridge_slave_1: entered allmulticast mode [ 100.825632][ T5735] bridge_slave_1: entered promiscuous mode [ 100.891989][ T5735] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.894961][ T5735] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.944790][ T5735] team0: Port device team_slave_0 added [ 100.948265][ T5735] team0: Port device team_slave_1 added [ 100.981153][ T5735] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.981170][ T5735] 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. [ 100.981187][ T5735] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.985115][ T5735] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.985130][ T5735] 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. [ 100.985152][ T5735] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.125598][ T5735] hsr_slave_0: entered promiscuous mode [ 101.126592][ T5735] hsr_slave_1: entered promiscuous mode [ 101.127518][ T5735] debugfs: 'hsr0' already exists in 'hsr' [ 101.127592][ T5735] Cannot create hsr debugfs directory [ 101.708907][ T995] bridge_slave_1: left allmulticast mode [ 101.709095][ T995] bridge_slave_1: left promiscuous mode [ 101.714861][ T995] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.889837][ T995] bridge_slave_0: left allmulticast mode [ 101.889867][ T995] bridge_slave_0: left promiscuous mode [ 101.890039][ T995] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.130862][ T5715] Bluetooth: hci0: command tx timeout [ 102.899250][ T995] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 102.959712][ T995] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 102.980552][ T995] bond0 (unregistering): Released all slaves [ 103.266851][ T5263] 8021q: adding VLAN 0 to HW filter on device eth1 [ 103.678761][ T995] hsr_slave_0: left promiscuous mode [ 103.718806][ T995] hsr_slave_1: left promiscuous mode [ 103.720102][ T995] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 103.720207][ T995] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 103.760124][ T995] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 103.760150][ T995] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 103.851914][ T995] veth1_macvtap: left promiscuous mode [ 103.852059][ T995] veth0_macvtap: left promiscuous mode [ 103.852209][ T995] veth1_vlan: left promiscuous mode [ 103.852386][ T995] veth0_vlan: left promiscuous mode [ 104.208794][ T5715] Bluetooth: hci0: command tx timeout [ 104.559177][ T995] team0 (unregistering): Port device team_slave_1 removed [ 104.599177][ T995] team0 (unregistering): Port device team_slave_0 removed [ 104.775561][ T5263] 8021q: adding VLAN 0 to HW filter on device eth2 [ 106.125701][ T5735] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.166783][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 106.167970][ T5735] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.214076][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 106.249740][ T5735] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.288655][ T5715] Bluetooth: hci0: command tx timeout [ 106.303489][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 106.304731][ T5735] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.335209][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 106.821794][ T5735] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.875549][ T5735] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.903601][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.903760][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.926668][ T1518] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.926796][ T1518] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.371438][ T5735] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.421598][ T5735] veth0_vlan: entered promiscuous mode [ 107.459043][ T5735] veth1_vlan: entered promiscuous mode [ 107.496571][ T5735] veth0_macvtap: entered promiscuous mode [ 107.506365][ T5735] veth1_macvtap: entered promiscuous mode [ 107.525029][ T5735] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.543072][ T5735] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.557607][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.561232][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.570635][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.572883][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.101590][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.101610][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.165775][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.165795][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/06/05 00:54:09 executed programs: 2 [ 108.296491][ T5851] loop0: detected capacity change from 0 to 1024 [ 108.311397][ T5851] ======================================================= [ 108.311397][ T5851] WARNING: The mand mount option has been deprecated and [ 108.311397][ T5851] and is ignored by this kernel. Remove the mand [ 108.311397][ T5851] option from the mount to silence this warning. [ 108.311397][ T5851] ======================================================= [ 108.311583][ T5851] EXT4-fs: Ignoring removed bh option [ 108.321526][ T5851] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 108.369476][ T5715] Bluetooth: hci0: command tx timeout [ 108.453341][ T5851] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 108.682445][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /0/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 108.686502][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 108.754801][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 109.059605][ T5855] loop0: detected capacity change from 0 to 1024 [ 109.060670][ T5855] EXT4-fs: Ignoring removed bh option [ 109.063201][ T5855] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 109.098025][ T5855] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 109.233562][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /1/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 109.233987][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 109.287734][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 109.811756][ T5859] loop0: detected capacity change from 0 to 1024 [ 109.813904][ T5859] EXT4-fs: Ignoring removed bh option [ 109.814688][ T5859] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 109.851006][ T5859] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 109.975524][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /3/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 110.002922][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 110.024538][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 110.565067][ T5864] loop0: detected capacity change from 0 to 1024 [ 110.566115][ T5864] EXT4-fs: Ignoring removed bh option [ 110.567906][ T5864] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 110.595262][ T5864] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 110.710205][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /5/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 110.710652][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 110.758456][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 111.301374][ T5868] loop0: detected capacity change from 0 to 1024 [ 111.319713][ T5868] EXT4-fs: Ignoring removed bh option [ 111.322045][ T5868] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 111.343808][ T5868] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 111.479566][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /7/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 111.483006][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 111.532977][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 112.061590][ T5872] loop0: detected capacity change from 0 to 1024 [ 112.062571][ T5872] EXT4-fs: Ignoring removed bh option [ 112.065656][ T5872] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 112.081602][ T5872] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 112.189355][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /9/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 112.189788][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 112.241812][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 112.754256][ T5876] loop0: detected capacity change from 0 to 1024 [ 112.755320][ T5876] EXT4-fs: Ignoring removed bh option [ 112.756118][ T5876] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 112.774239][ T5876] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 112.797967][ T5876] [ 112.797978][ T5876] ====================================================== [ 112.797984][ T5876] WARNING: possible circular locking dependency detected [ 112.798007][ T5876] syzkaller #0 Not tainted [ 112.798016][ T5876] ------------------------------------------------------ [ 112.798023][ T5876] syz.0.28/5876 is trying to acquire lock: [ 112.798032][ T5876] ffff888040496318 (&ovl_i_mutex_key[depth]){+.+.}-{4:4}, at: lock_two_nondirectories+0xe7/0x180 [ 112.798079][ T5876] [ 112.798079][ T5876] but task is already holding lock: [ 112.798083][ T5876] ffff888038336480 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write_file+0x63/0x210 [ 112.798108][ T5876] [ 112.798108][ T5876] which lock already depends on the new lock. [ 112.798108][ T5876] [ 112.798112][ T5876] [ 112.798112][ T5876] the existing dependency chain (in reverse order) is: [ 112.798115][ T5876] [ 112.798115][ T5876] -> #1 (sb_writers#4){.+.+}-{0:0}: [ 112.798132][ T5876] sb_start_write+0x4d/0x1c0 [ 112.798155][ T5876] vfs_iter_write+0x1f8/0x610 [ 112.798166][ T5876] backing_file_write_iter+0x5e7/0x950 [ 112.798179][ T5876] ovl_write_iter+0x2fd/0x3d0 [ 112.798192][ T5876] vfs_write+0x629/0xba0 [ 112.798204][ T5876] __x64_sys_pwrite64+0x19c/0x230 [ 112.798215][ T5876] do_syscall_64+0x174/0x580 [ 112.798229][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.798238][ T5876] [ 112.798238][ T5876] -> #0 (&ovl_i_mutex_key[depth]){+.+.}-{4:4}: [ 112.798251][ T5876] __lock_acquire+0x15a5/0x2cf0 [ 112.798264][ T5876] lock_acquire+0x106/0x350 [ 112.798275][ T5876] down_write+0x3a/0x50 [ 112.798284][ T5876] lock_two_nondirectories+0xe7/0x180 [ 112.798292][ T5876] ext4_move_extents+0x20f/0x3950 [ 112.798302][ T5876] ext4_ioctl+0x3092/0x4b40 [ 112.798311][ T5876] __se_sys_ioctl+0xff/0x170 [ 112.798321][ T5876] do_syscall_64+0x174/0x580 [ 112.798334][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.798343][ T5876] [ 112.798343][ T5876] other info that might help us debug this: [ 112.798343][ T5876] [ 112.798346][ T5876] Possible unsafe locking scenario: [ 112.798346][ T5876] [ 112.798349][ T5876] CPU0 CPU1 [ 112.798352][ T5876] ---- ---- [ 112.798355][ T5876] rlock(sb_writers#4); [ 112.798364][ T5876] lock(&ovl_i_mutex_key[depth]); [ 112.798371][ T5876] lock(sb_writers#4); [ 112.798380][ T5876] lock(&ovl_i_mutex_key[depth]); [ 112.798386][ T5876] [ 112.798386][ T5876] *** DEADLOCK *** [ 112.798386][ T5876] [ 112.798388][ T5876] 1 lock held by syz.0.28/5876: [ 112.798394][ T5876] #0: ffff888038336480 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write_file+0x63/0x210 [ 112.798420][ T5876] [ 112.798420][ T5876] stack backtrace: [ 112.798434][ T5876] CPU: 0 UID: 0 PID: 5876 Comm: syz.0.28 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 112.798445][ T5876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 112.798456][ T5876] Call Trace: [ 112.798460][ T5876] [ 112.798465][ T5876] dump_stack_lvl+0xe8/0x150 [ 112.798478][ T5876] print_circular_bug+0x2e1/0x300 [ 112.798493][ T5876] check_noncircular+0x12e/0x150 [ 112.798516][ T5876] __lock_acquire+0x15a5/0x2cf0 [ 112.798543][ T5876] ? lock_two_nondirectories+0xe7/0x180 [ 112.798559][ T5876] lock_acquire+0x106/0x350 [ 112.798578][ T5876] ? lock_two_nondirectories+0xe7/0x180 [ 112.798599][ T5876] down_write+0x3a/0x50 [ 112.798613][ T5876] ? lock_two_nondirectories+0xe7/0x180 [ 112.798629][ T5876] lock_two_nondirectories+0xe7/0x180 [ 112.798647][ T5876] ext4_move_extents+0x20f/0x3950 [ 112.798665][ T5876] ? __lock_acquire+0x6b5/0x2cf0 [ 112.798688][ T5876] ? __lock_acquire+0x6b5/0x2cf0 [ 112.798716][ T5876] ? __pfx___schedule+0x10/0x10 [ 112.798737][ T5876] ? __pfx_ext4_move_extents+0x10/0x10 [ 112.798751][ T5876] ? mnt_want_write_file+0x63/0x210 [ 112.798767][ T5876] ? mnt_want_write_file+0x63/0x210 [ 112.798786][ T5876] ? sb_start_write+0x114/0x1c0 [ 112.798801][ T5876] ? mnt_want_write_file+0x170/0x210 [ 112.798818][ T5876] ext4_ioctl+0x3092/0x4b40 [ 112.798833][ T5876] ? __pfx_ext4_ioctl+0x10/0x10 [ 112.798846][ T5876] ? is_bpf_text_address+0x292/0x2b0 [ 112.798864][ T5876] ? is_bpf_text_address+0x26/0x2b0 [ 112.798881][ T5876] ? kernel_text_address+0xa5/0xe0 [ 112.798901][ T5876] ? __kernel_text_address+0xd/0x30 [ 112.798919][ T5876] ? unwind_get_return_address+0x4d/0x90 [ 112.798936][ T5876] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 112.798952][ T5876] ? arch_stack_walk+0xfb/0x150 [ 112.798972][ T5876] ? stack_trace_save+0xa9/0x100 [ 112.798987][ T5876] ? __pfx_stack_trace_save+0x10/0x10 [ 112.799000][ T5876] ? kasan_save_free_info+0x46/0x50 [ 112.799021][ T5876] ? stack_depot_save_flags+0x33/0x810 [ 112.799041][ T5876] ? kasan_save_track+0x4f/0x80 [ 112.799054][ T5876] ? kasan_save_track+0x3e/0x80 [ 112.799066][ T5876] ? kasan_save_free_info+0x46/0x50 [ 112.799084][ T5876] ? __kasan_slab_free+0x5c/0x80 [ 112.799098][ T5876] ? kfree+0x1c5/0x6c0 [ 112.799111][ T5876] ? tomoyo_path_number_perm+0x501/0x630 [ 112.799131][ T5876] ? security_file_ioctl+0xc3/0x2a0 [ 112.799151][ T5876] ? __se_sys_ioctl+0x47/0x170 [ 112.799166][ T5876] ? do_syscall_64+0x174/0x580 [ 112.799185][ T5876] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.799205][ T5876] ? file_ioctl+0x279/0x870 [ 112.799222][ T5876] ? __pfx_file_ioctl+0x10/0x10 [ 112.799241][ T5876] ? kasan_quarantine_put+0xbb/0x1f0 [ 112.799257][ T5876] ? tomoyo_path_number_perm+0x219/0x630 [ 112.799276][ T5876] ? tomoyo_path_number_perm+0x219/0x630 [ 112.799296][ T5876] ? do_vfs_ioctl+0x117b/0x1540 [ 112.799313][ T5876] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 112.799329][ T5876] ? __pfx_smack_log+0x10/0x10 [ 112.799345][ T5876] ? smk_access+0x14c/0x4e0 [ 112.799362][ T5876] ? smk_tskacc+0x311/0x3a0 [ 112.799378][ T5876] ? smack_file_ioctl+0x2c2/0x360 [ 112.799397][ T5876] ? __pfx_smack_file_ioctl+0x10/0x10 [ 112.799418][ T5876] ? __x64_sys_pwrite64+0x1b7/0x230 [ 112.799433][ T5876] ? __pfx___se_sys_futex+0x10/0x10 [ 112.799454][ T5876] ? bpf_lsm_file_ioctl+0x9/0x20 [ 112.799469][ T5876] ? __pfx_ext4_ioctl+0x10/0x10 [ 112.799482][ T5876] __se_sys_ioctl+0xff/0x170 [ 112.799498][ T5876] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.799512][ T5876] do_syscall_64+0x174/0x580 [ 112.799531][ T5876] ? trace_irq_disable+0x3b/0x140 [ 112.799547][ T5876] ? clear_bhb_loop+0x40/0x90 [ 112.799562][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.799575][ T5876] RIP: 0033:0x7f5b2511ce59 [ 112.799593][ T5876] 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 [ 112.799604][ T5876] RSP: 002b:00007ffed37f51e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 112.799619][ T5876] RAX: ffffffffffffffda RBX: 00007f5b25395fa0 RCX: 00007f5b2511ce59 [ 112.799629][ T5876] RDX: 0000200000000040 RSI: 00000000c028660f RDI: 0000000000000005 [ 112.799638][ T5876] RBP: 00007f5b251b2d6f R08: 0000000000000000 R09: 0000000000000000 [ 112.799647][ T5876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 112.799655][ T5876] R13: 00007f5b25395fac R14: 00007f5b25395fa0 R15: 00007f5b25395fa0 [ 112.799670][ T5876] [ 112.940033][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /11/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 112.940432][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 112.983344][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. 2026/06/05 00:54:14 executed programs: 16 [ 113.580054][ T5880] loop0: detected capacity change from 0 to 1024 [ 113.580712][ T5880] EXT4-fs: Ignoring removed bh option [ 113.581257][ T5880] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 113.602748][ T5880] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 113.679343][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /13/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 113.679812][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 113.739872][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 114.269940][ T5886] loop0: detected capacity change from 0 to 1024 [ 114.270752][ T5886] EXT4-fs: Ignoring removed bh option [ 114.271503][ T5886] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 114.283189][ T5886] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 114.369449][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /15/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 114.369939][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 114.420013][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 114.946393][ T5893] loop0: detected capacity change from 0 to 1024 [ 114.947058][ T5893] EXT4-fs: Ignoring removed bh option [ 114.947625][ T5893] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 114.955406][ T5893] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 115.039121][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /17/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 115.039444][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 115.079935][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 115.606211][ T5897] loop0: detected capacity change from 0 to 1024 [ 115.606830][ T5897] EXT4-fs: Ignoring removed bh option [ 115.607374][ T5897] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 115.623897][ T5897] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 115.699266][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /19/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 115.699561][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 115.739859][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 116.269629][ T5903] loop0: detected capacity change from 0 to 1024 [ 116.270456][ T5903] EXT4-fs: Ignoring removed bh option [ 116.271202][ T5903] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 116.282648][ T5903] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 116.359247][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /21/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 116.359614][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 116.400188][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 116.906386][ T5907] loop0: detected capacity change from 0 to 1024 [ 116.907032][ T5907] EXT4-fs: Ignoring removed bh option [ 116.907571][ T5907] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 116.913606][ T5907] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 117.019113][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /23/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 117.019443][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 117.059923][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 117.589337][ T5911] loop0: detected capacity change from 0 to 1024 [ 117.590167][ T5911] EXT4-fs: Ignoring removed bh option [ 117.590873][ T5911] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 117.603068][ T5911] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 117.679456][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /25/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 117.679890][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 117.733760][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 118.236278][ T5916] loop0: detected capacity change from 0 to 1024 [ 118.236951][ T5916] EXT4-fs: Ignoring removed bh option [ 118.237483][ T5916] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 118.261455][ T5916] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 118.359130][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /27/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 118.359507][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 118.409947][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. 2026/06/05 00:54:19 executed programs: 31 [ 118.937657][ T5920] loop0: detected capacity change from 0 to 1024 [ 118.938274][ T5920] EXT4-fs: Ignoring removed bh option [ 118.939356][ T5920] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 118.952749][ T5920] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 119.029247][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /29/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 119.029586][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 119.070208][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 119.599321][ T5924] loop0: detected capacity change from 0 to 1024 [ 119.600125][ T5924] EXT4-fs: Ignoring removed bh option [ 119.601342][ T5924] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 119.614881][ T5924] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 119.669920][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /31/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 119.670249][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 119.719968][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 120.209837][ T5928] loop0: detected capacity change from 0 to 1024 [ 120.210675][ T5928] EXT4-fs: Ignoring removed bh option [ 120.211409][ T5928] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 120.228676][ T5928] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 120.309823][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /33/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 120.310204][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 120.359984][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 120.886251][ T5933] loop0: detected capacity change from 0 to 1024 [ 120.887188][ T5933] EXT4-fs: Ignoring removed bh option [ 120.887735][ T5933] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 120.892665][ T5933] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 120.979295][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /35/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 120.979771][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 121.020788][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 121.526427][ T5937] loop0: detected capacity change from 0 to 1024 [ 121.527093][ T5937] EXT4-fs: Ignoring removed bh option [ 121.527638][ T5937] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 121.532510][ T5937] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 121.609801][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /37/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 121.610120][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 121.649921][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 122.179850][ T5941] loop0: detected capacity change from 0 to 1024 [ 122.180673][ T5941] EXT4-fs: Ignoring removed bh option [ 122.181417][ T5941] EXT4-fs (loop0): stripe (5) is not aligned with cluster size (16), stripe is disabled [ 122.209556][ T5941] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 122.289136][ T5735] EXT4-fs error (device loop0): ext4_read_inline_dir:1494: inode #12: block 7: comm syz-executor: path /39/file0/file0: bad entry in directory: rec_len is too small for name_len - offset=40, inode=14, rec_len=40, size=80 fake=0 [ 122.289433][ T5735] EXT4-fs (loop0): Remounting filesystem read-only [ 122.329959][ T5735] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.