[ 42.702618][ T3835] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.762167][ T3835] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.822706][ T3835] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.139110][ T3835] bridge_slave_1: left allmulticast mode [ 43.139144][ T3835] bridge_slave_1: left promiscuous mode [ 43.139232][ T3835] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.141794][ T3835] bridge_slave_0: left allmulticast mode [ 43.141805][ T3835] bridge_slave_0: left promiscuous mode [ 43.141866][ T3835] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.292273][ T3835] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 43.310251][ T3835] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 43.329703][ T3835] bond0 (unregistering): Released all slaves [ 43.451959][ T4393] 8021q: adding VLAN 0 to HW filter on device eth0 [ 43.575256][ T3835] hsr_slave_0: left promiscuous mode [ 43.576615][ T3835] hsr_slave_1: left promiscuous mode [ 43.577008][ T3835] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 43.577021][ T3835] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 43.577927][ T3835] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 43.577938][ T3835] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 43.583587][ T3835] veth1_macvtap: left promiscuous mode [ 43.583623][ T3835] veth0_macvtap: left promiscuous mode [ 43.583658][ T3835] veth1_vlan: left promiscuous mode [ 43.583730][ T3835] veth0_vlan: left promiscuous mode [ 43.672092][ T3835] team0 (unregistering): Port device team_slave_1 removed [ 43.675546][ T3835] team0 (unregistering): Port device team_slave_0 removed [ 43.716939][ T4393] 8021q: adding VLAN 0 to HW filter on device eth1 [ 43.850590][ T4393] 8021q: adding VLAN 0 to HW filter on device eth3 [ 43.981029][ T4393] 8021q: adding VLAN 0 to HW filter on device eth2 Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts. 1970/01/01 00:00:48 parsed 1 programs [ 49.378788][ T5014] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 51.283798][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.285624][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.287453][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.289488][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.291158][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.540442][ T5050] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.542069][ T5050] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.543719][ T5050] bridge_slave_0: entered allmulticast mode [ 51.545443][ T5050] bridge_slave_0: entered promiscuous mode [ 51.547907][ T5050] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.549112][ T5050] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.549169][ T5050] bridge_slave_1: entered allmulticast mode [ 51.549578][ T5050] bridge_slave_1: entered promiscuous mode [ 51.559501][ T5050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.560341][ T5050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.567062][ T5050] team0: Port device team_slave_0 added [ 51.567757][ T5050] team0: Port device team_slave_1 added [ 51.574910][ T5050] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.574929][ T5050] 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. [ 51.574945][ T5050] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.575423][ T5050] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.575429][ T5050] 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. [ 51.575443][ T5050] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.598009][ T5050] hsr_slave_0: entered promiscuous mode [ 51.598809][ T5050] hsr_slave_1: entered promiscuous mode [ 51.959601][ T5050] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.962095][ T5050] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 51.963983][ T5050] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.966225][ T5050] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 51.968124][ T5050] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.970691][ T5050] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 51.972540][ T5050] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.975037][ T5050] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 51.983607][ T5050] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.983649][ T5050] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.983733][ T5050] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.983766][ T5050] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.008095][ T5050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.013608][ T1275] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.015458][ T1275] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.022125][ T5050] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.025514][ T3835] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.025563][ T3835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.031456][ T3835] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.031499][ T3835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.038224][ T5050] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 52.044567][ T5050] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.135562][ T5050] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.147829][ T5050] veth0_vlan: entered promiscuous mode [ 52.150829][ T5050] veth1_vlan: entered promiscuous mode [ 52.158526][ T5050] veth0_macvtap: entered promiscuous mode [ 52.160443][ T5050] veth1_macvtap: entered promiscuous mode [ 52.164551][ T5050] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.168689][ T5050] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.173932][ T1275] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.173961][ T1275] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.173986][ T1275] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.174004][ T1275] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.274436][ T505] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.342092][ T505] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.373529][ T505] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.457635][ T505] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.810987][ T1275] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.811018][ T1275] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.819751][ T1275] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.819777][ T1275] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:00:52 executed programs: 0 [ 52.973084][ T4803] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.974710][ T4803] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.975569][ T4803] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.975906][ T4803] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.976145][ T4803] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.117212][ T5229] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.117289][ T5229] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.117351][ T5229] bridge_slave_0: entered allmulticast mode [ 53.117781][ T5229] bridge_slave_0: entered promiscuous mode [ 53.118630][ T5229] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.118673][ T5229] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.118723][ T5229] bridge_slave_1: entered allmulticast mode [ 53.119288][ T5229] bridge_slave_1: entered promiscuous mode [ 53.133279][ T5229] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.134195][ T5229] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.142368][ T5229] team0: Port device team_slave_0 added [ 53.143106][ T5229] team0: Port device team_slave_1 added [ 53.149924][ T5229] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.149944][ T5229] 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. [ 53.149960][ T5229] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.150513][ T5229] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.150520][ T5229] 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. [ 53.150533][ T5229] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.168398][ T5229] hsr_slave_0: entered promiscuous mode [ 53.170197][ T5229] hsr_slave_1: entered promiscuous mode [ 53.170643][ T5229] debugfs: 'hsr0' already exists in 'hsr' [ 53.170654][ T5229] Cannot create hsr debugfs directory [ 55.049335][ T50] Bluetooth: hci0: command tx timeout [ 55.909113][ T505] bridge_slave_1: left allmulticast mode [ 55.909149][ T505] bridge_slave_1: left promiscuous mode [ 55.909553][ T505] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.911764][ T505] bridge_slave_0: left allmulticast mode [ 55.911782][ T505] bridge_slave_0: left promiscuous mode [ 55.911848][ T505] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.041476][ T505] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 56.060743][ T505] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 56.099901][ T505] bond0 (unregistering): Released all slaves [ 56.155644][ T505] hsr_slave_0: left promiscuous mode [ 56.157129][ T505] hsr_slave_1: left promiscuous mode [ 56.157521][ T505] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 56.157533][ T505] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 56.158493][ T505] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 56.158503][ T505] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 56.164658][ T505] veth1_macvtap: left promiscuous mode [ 56.164697][ T505] veth0_macvtap: left promiscuous mode [ 56.164743][ T505] veth1_vlan: left promiscuous mode [ 56.164770][ T505] veth0_vlan: left promiscuous mode [ 56.261245][ T505] team0 (unregistering): Port device team_slave_1 removed [ 56.279769][ T505] team0 (unregistering): Port device team_slave_0 removed [ 56.319338][ T4393] 8021q: adding VLAN 0 to HW filter on device eth0 [ 56.629378][ T5229] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.631669][ T5229] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 56.632728][ T5229] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.634814][ T5229] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 56.636764][ T5229] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.642624][ T5229] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 56.645109][ T5229] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.646194][ T5229] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 56.675039][ T5229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.680505][ T5229] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.683860][ T3835] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.683908][ T3835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.687567][ T3835] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.687618][ T3835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.698679][ T5229] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.698726][ T5229] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.906388][ T5229] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.916554][ T5229] veth0_vlan: entered promiscuous mode [ 56.918212][ T5229] veth1_vlan: entered promiscuous mode [ 56.980636][ T5229] veth0_macvtap: entered promiscuous mode [ 56.981714][ T5229] veth1_macvtap: entered promiscuous mode [ 56.985546][ T5229] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.986511][ T5229] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.991997][ T3835] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.992041][ T3835] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.992164][ T3835] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.999715][ T3835] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.012176][ T1275] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.013758][ T1275] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.020019][ T3835] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.020048][ T3835] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.053480][ T5318] loop0: detected capacity change from 0 to 1024 [ 57.064138][ T5318] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 57.074372][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.074491][ T5229] ------------[ cut here ]------------ [ 57.074496][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 57.080325][ T5229] Modules linked in: [ 57.081088][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Not tainted syzkaller #0 PREEMPT [ 57.082805][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.084587][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.086071][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.087330][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.088593][ T5229] sp : ffff800094877060 [ 57.089416][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.091064][ T5229] x26: ffff0000e285c3a0 x25: ffff0000e285c3c8 x24: ffff800088a09b80 [ 57.092674][ T5229] x23: ffff0000d14fe000 x22: 000000000000feeb x21: ffff0000d14fe068 [ 57.094274][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 00000000ffffffff [ 57.095825][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.097361][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.098874][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 57.100408][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.101946][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.103533][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 57.105081][ T5229] Call trace: [ 57.105772][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.106958][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 57.107965][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.109107][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 57.110179][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.111212][ T5229] ext4_dirty_inode+0xd4/0x104 [ 57.112124][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 57.113083][ T5229] sync_lazytime+0x1a8/0x68c [ 57.113925][ T5229] iput+0x1cc/0xb90 [ 57.114596][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 57.115542][ T5229] __dentry_kill+0x170/0x5fc [ 57.116455][ T5229] shrink_kill+0xe8/0x318 [ 57.117304][ T5229] shrink_dentry_list+0x154/0x2a4 [ 57.118282][ T5229] shrink_dcache_tree+0x40c/0x570 [ 57.119258][ T5229] do_one_tree+0x24/0x58 [ 57.120094][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 57.121174][ T5229] generic_shutdown_super+0x70/0x2b8 [ 57.122207][ T5229] kill_block_super+0x44/0x90 [ 57.123118][ T5229] ext4_kill_sb+0x68/0xa4 [ 57.123951][ T5229] deactivate_locked_super+0xc4/0x140 [ 57.125003][ T5229] deactivate_super+0xd8/0xf8 [ 57.125946][ T5229] cleanup_mnt+0x328/0x3b8 [ 57.126785][ T5229] __cleanup_mnt+0x20/0x30 [ 57.127639][ T5229] task_work_run+0x1c4/0x254 [ 57.128528][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 57.129578][ T5229] el0_svc+0x18c/0x260 [ 57.130352][ T5229] el0t_64_sync_handler+0x48/0x148 [ 57.131315][ T5229] el0t_64_sync+0x198/0x19c [ 57.132200][ T5229] irq event stamp: 152664 [ 57.133011][ T5229] hardirqs last enabled at (152663): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.135019][ T5229] hardirqs last disabled at (152664): [] el1_brk64+0x20/0x54 [ 57.136710][ T5229] softirqs last enabled at (152656): [] kernel_neon_begin+0x294/0x3fc [ 57.138600][ T5229] softirqs last disabled at (152654): [] kernel_neon_begin+0x11c/0x3fc [ 57.140515][ T5229] ---[ end trace 0000000000000000 ]--- [ 57.142465][ T50] Bluetooth: hci0: command tx timeout [ 57.144528][ T5229] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 12. Delete some EAs or run e2fsck. [ 57.149169][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 57.175455][ T5323] loop0: detected capacity change from 0 to 1024 [ 57.195941][ T5323] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 57.203039][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.203157][ T5229] ------------[ cut here ]------------ [ 57.203163][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 57.208154][ T5229] Modules linked in: [ 57.208890][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.210952][ T5229] Tainted: [W]=WARN [ 57.211690][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.213689][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.215232][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.216570][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.217878][ T5229] sp : ffff800094877060 [ 57.218698][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.220364][ T5229] x26: ffff0000f067a798 x25: ffff0000f067a7c0 x24: ffff800088a09b80 [ 57.221903][ T5229] x23: ffff0000c66e8000 x22: 000000000000feeb x21: ffff0000c66e8068 [ 57.223543][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.225192][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.226831][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.228435][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 57.230091][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.231721][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.233327][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 57.234936][ T5229] Call trace: [ 57.235592][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.236903][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 57.237964][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.239151][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 57.240263][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.241354][ T5229] ext4_dirty_inode+0xd4/0x104 [ 57.242367][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 57.243354][ T5229] sync_lazytime+0x1a8/0x68c [ 57.244299][ T5229] iput+0x1cc/0xb90 [ 57.245080][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 57.246091][ T5229] __dentry_kill+0x170/0x5fc [ 57.247000][ T5229] shrink_kill+0xe8/0x318 [ 57.247866][ T5229] shrink_dentry_list+0x154/0x2a4 [ 57.248824][ T5229] shrink_dcache_tree+0x40c/0x570 [ 57.249806][ T5229] do_one_tree+0x24/0x58 [ 57.250668][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 57.251740][ T5229] generic_shutdown_super+0x70/0x2b8 [ 57.252810][ T5229] kill_block_super+0x44/0x90 [ 57.253753][ T5229] ext4_kill_sb+0x68/0xa4 [ 57.254667][ T5229] deactivate_locked_super+0xc4/0x140 [ 57.255768][ T5229] deactivate_super+0xd8/0xf8 [ 57.256696][ T5229] cleanup_mnt+0x328/0x3b8 [ 57.257576][ T5229] __cleanup_mnt+0x20/0x30 [ 57.258455][ T5229] task_work_run+0x1c4/0x254 [ 57.259355][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 57.260422][ T5229] el0_svc+0x18c/0x260 [ 57.261228][ T5229] el0t_64_sync_handler+0x48/0x148 [ 57.262220][ T5229] el0t_64_sync+0x198/0x19c [ 57.263117][ T5229] irq event stamp: 159856 [ 57.263967][ T5229] hardirqs last enabled at (159855): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.266005][ T5229] hardirqs last disabled at (159856): [] el1_brk64+0x20/0x54 [ 57.267736][ T5229] softirqs last enabled at (159848): [] kernel_neon_begin+0x294/0x3fc [ 57.269656][ T5229] softirqs last disabled at (159846): [] kernel_neon_begin+0x11c/0x3fc [ 57.271632][ T5229] ---[ end trace 0000000000000000 ]--- [ 57.280523][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 57.300197][ T5327] loop0: detected capacity change from 0 to 1024 [ 57.314820][ T5327] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 57.324953][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.325068][ T5229] ------------[ cut here ]------------ [ 57.325072][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 57.330914][ T5229] Modules linked in: [ 57.331679][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.333740][ T5229] Tainted: [W]=WARN [ 57.334491][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.336447][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.338059][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.339414][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.340718][ T5229] sp : ffff800094877060 [ 57.341541][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.343164][ T5229] x26: ffff0000f0678238 x25: ffff0000f0678260 x24: ffff800088a09b80 [ 57.344785][ T5229] x23: ffff0000d3ebc000 x22: 000000000000feeb x21: ffff0000d3ebc068 [ 57.346427][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.348073][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.349704][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.351383][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 57.353009][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.354710][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.356400][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 57.358013][ T5229] Call trace: [ 57.358670][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.359923][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 57.360939][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.362072][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 57.363119][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.364244][ T5229] ext4_dirty_inode+0xd4/0x104 [ 57.365186][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 57.366176][ T5229] sync_lazytime+0x1a8/0x68c [ 57.367101][ T5229] iput+0x1cc/0xb90 [ 57.367872][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 57.368904][ T5229] __dentry_kill+0x170/0x5fc [ 57.369824][ T5229] shrink_kill+0xe8/0x318 [ 57.370714][ T5229] shrink_dentry_list+0x154/0x2a4 [ 57.371740][ T5229] shrink_dcache_tree+0x40c/0x570 [ 57.372763][ T5229] do_one_tree+0x24/0x58 [ 57.373625][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 57.374677][ T5229] generic_shutdown_super+0x70/0x2b8 [ 57.375754][ T5229] kill_block_super+0x44/0x90 [ 57.376709][ T5229] ext4_kill_sb+0x68/0xa4 [ 57.377544][ T5229] deactivate_locked_super+0xc4/0x140 [ 57.378580][ T5229] deactivate_super+0xd8/0xf8 [ 57.379520][ T5229] cleanup_mnt+0x328/0x3b8 [ 57.380419][ T5229] __cleanup_mnt+0x20/0x30 [ 57.381293][ T5229] task_work_run+0x1c4/0x254 [ 57.382190][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 57.383294][ T5229] el0_svc+0x18c/0x260 [ 57.384156][ T5229] el0t_64_sync_handler+0x48/0x148 [ 57.385195][ T5229] el0t_64_sync+0x198/0x19c [ 57.386124][ T5229] irq event stamp: 166534 [ 57.386960][ T5229] hardirqs last enabled at (166533): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.389012][ T5229] hardirqs last disabled at (166534): [] el1_brk64+0x20/0x54 [ 57.390774][ T5229] softirqs last enabled at (166526): [] kernel_neon_begin+0x294/0x3fc [ 57.392731][ T5229] softirqs last disabled at (166524): [] kernel_neon_begin+0x11c/0x3fc [ 57.394659][ T5229] ---[ end trace 0000000000000000 ]--- [ 57.400914][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 57.422412][ T5331] loop0: detected capacity change from 0 to 1024 [ 57.432477][ T5331] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 57.438654][ T5229] EXT4-fs warning (device loop0): ext4_xatt ** replaying previous printk message ** [ 57.438654][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.439890][ T5229] ------------[ cut here ]------------ [ 57.439896][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 57.445575][ T5229] Modules linked in: [ 57.446295][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.448278][ T5229] Tainted: [W]=WARN [ 57.449005][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.451123][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.452796][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.454101][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.455417][ T5229] sp : ffff800094877060 [ 57.456274][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.457946][ T5229] x26: ffff0000e2859e40 x25: ffff0000e2859e68 x24: ffff800088a09b80 [ 57.459582][ T5229] x23: ffff0000da2ce000 x22: 000000000000feeb x21: ffff0000da2ce068 [ 57.461257][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.462894][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 57.464529][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 57.466150][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 57.467748][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.469369][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 57.471025][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 57.472698][ T5229] Call trace: [ 57.473379][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.474728][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 57.475826][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.477007][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 57.478130][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.479222][ T5229] ext4_dirty_inode+0xd4/0x104 [ 57.480168][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 57.481189][ T5229] sync_lazytime+0x1a8/0x68c [ 57.482107][ T5229] iput+0x1cc/0xb90 [ 57.482875][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 57.483912][ T5229] __dentry_kill+0x170/0x5fc [ 57.484824][ T5229] shrink_kill+0xe8/0x318 [ 57.485748][ T5229] shrink_dentry_list+0x154/0x2a4 [ 57.486719][ T5229] shrink_dcache_tree+0x40c/0x570 [ 57.487695][ T5229] do_one_tree+0x24/0x58 [ 57.488550][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 57.489649][ T5229] generic_shutdown_super+0x70/0x2b8 [ 57.490727][ T5229] kill_block_super+0x44/0x90 [ 57.491670][ T5229] ext4_kill_sb+0x68/0xa4 [ 57.492541][ T5229] deactivate_locked_super+0xc4/0x140 [ 57.493576][ T5229] deactivate_super+0xd8/0xf8 [ 57.494489][ T5229] cleanup_mnt+0x328/0x3b8 [ 57.495366][ T5229] __cleanup_mnt+0x20/0x30 [ 57.496260][ T5229] task_work_run+0x1c4/0x254 [ 57.497169][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 57.498218][ T5229] el0_svc+0x18c/0x260 [ 57.499028][ T5229] el0t_64_sync_handler+0x48/0x148 [ 57.500095][ T5229] el0t_64_sync+0x198/0x19c [ 57.501019][ T5229] irq event stamp: 172118 [ 57.501870][ T5229] hardirqs last enabled at (172117): [] finish_task_switch+0x22c/0x768 [ 57.503888][ T5229] hardirqs last disabled at (172118): [] el1_brk64+0x20/0x54 [ 57.505663][ T5229] softirqs last enabled at (172108): [] kernel_neon_begin+0x294/0x3fc [ 57.507615][ T5229] softirqs last disabled at (172106): [] kernel_neon_begin+0x11c/0x3fc [ 57.509597][ T5229] ---[ end trace 0000000000000000 ]--- [ 57.514850][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 57.528226][ T5335] loop0: detected capacity change from 0 to 1024 [ 57.561114][ T5335] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 57.568294][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.568406][ T5229] ------------[ cut here ]------------ [ 57.568411][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 57.574588][ T5229] Modules linked in: [ 57.575387][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.577511][ T5229] Tainted: [W]=WARN [ 57.578253][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.580244][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.581807][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.583128][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.584438][ T5229] sp : ffff800094877060 [ 57.585282][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.586908][ T5229] x26: ffff0000e285d650 x25: ffff0000e285d678 x24: ffff800088a09b80 [ 57.588521][ T5229] x23: ffff0000dd628000 x22: 000000000000feeb x21: ffff0000dd628068 [ 57.590101][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.591731][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.593359][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.594966][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 57.596380][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.597976][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.599577][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 57.601127][ T5229] Call trace: [ 57.601802][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.603130][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 57.604193][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.605340][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 57.606419][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.607460][ T5229] ext4_dirty_inode+0xd4/0x104 [ 57.608452][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 57.609451][ T5229] sync_lazytime+0x1a8/0x68c [ 57.610348][ T5229] iput+0x1cc/0xb90 [ 57.611115][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 57.612145][ T5229] __dentry_kill+0x170/0x5fc [ 57.613091][ T5229] shrink_kill+0xe8/0x318 [ 57.613883][ T5229] shrink_dentry_list+0x154/0x2a4 [ 57.614902][ T5229] shrink_dcache_tree+0x40c/0x570 [ 57.615839][ T5229] do_one_tree+0x24/0x58 [ 57.616674][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 57.617706][ T5229] generic_shutdown_super+0x70/0x2b8 [ 57.618742][ T5229] kill_block_super+0x44/0x90 [ 57.619622][ T5229] ext4_kill_sb+0x68/0xa4 [ 57.620438][ T5229] deactivate_locked_super+0xc4/0x140 [ 57.621460][ T5229] deactivate_super+0xd8/0xf8 [ 57.622367][ T5229] cleanup_mnt+0x328/0x3b8 [ 57.623228][ T5229] __cleanup_mnt+0x20/0x30 [ 57.624076][ T5229] task_work_run+0x1c4/0x254 [ 57.624950][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 57.625995][ T5229] el0_svc+0x18c/0x260 [ 57.626793][ T5229] el0t_64_sync_handler+0x48/0x148 [ 57.627743][ T5229] el0t_64_sync+0x198/0x19c [ 57.628601][ T5229] irq event stamp: 178802 [ 57.629412][ T5229] hardirqs last enabled at (178801): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.631327][ T5229] hardirqs last disabled at (178802): [] el1_brk64+0x20/0x54 [ 57.632989][ T5229] softirqs last enabled at (178794): [] kernel_neon_begin+0x294/0x3fc [ 57.634933][ T5229] softirqs last disabled at (178792): [] kernel_neon_begin+0x11c/0x3fc [ 57.636940][ T5229] ---[ end trace 0000000000000000 ]--- [ 57.642330][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 57.658558][ T5339] loop0: detected capacity change from 0 to 1024 [ 57.670866][ T5339] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 57.674775][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.678761][ T5229] ------------[ cut here ]------------ [ 57.678770][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 57.682043][ T5229] Modules linked in: [ 57.682822][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.684845][ T5229] Tainted: [W]=WARN [ 57.685573][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.687471][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.688984][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.690263][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.691538][ T5229] sp : ffff800094877060 [ 57.692353][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.693925][ T5229] x26: ffff0000f05c7258 x25: ffff0000f05c7280 x24: ffff800088a09b80 [ 57.695478][ T5229] x23: ffff0000d67b6000 x22: 000000000000feeb x21: ffff0000d67b6068 [ 57.697076][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 57.698613][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 57.700191][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 57.701787][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 57.703301][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.704899][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 57.706515][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 57.708112][ T5229] Call trace: [ 57.708760][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.710052][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 57.711079][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.712208][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 57.713289][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.714337][ T5229] ext4_dirty_inode+0xd4/0x104 [ 57.715261][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 57.716246][ T5229] sync_lazytime+0x1a8/0x68c [ 57.717124][ T5229] iput+0x1cc/0xb90 [ 57.717858][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 57.718879][ T5229] __dentry_kill+0x170/0x5fc [ 57.719795][ T5229] shrink_kill+0xe8/0x318 [ 57.720653][ T5229] shrink_dentry_list+0x154/0x2a4 [ 57.721672][ T5229] shrink_dcache_tree+0x40c/0x570 [ 57.722663][ T5229] do_one_tree+0x24/0x58 [ 57.723496][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 57.724568][ T5229] generic_shutdown_super+0x70/0x2b8 [ 57.725622][ T5229] kill_block_super+0x44/0x90 [ 57.726567][ T5229] ext4_kill_sb+0x68/0xa4 [ 57.727408][ T5229] deactivate_locked_super+0xc4/0x140 [ 57.728460][ T5229] deactivate_super+0xd8/0xf8 [ 57.729416][ T5229] cleanup_mnt+0x328/0x3b8 [ 57.730285][ T5229] __cleanup_mnt+0x20/0x30 [ 57.731197][ T5229] task_work_run+0x1c4/0x254 [ 57.732104][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 57.733153][ T5229] el0_svc+0x18c/0x260 [ 57.733921][ T5229] el0t_64_sync_handler+0x48/0x148 [ 57.734900][ T5229] el0t_64_sync+0x198/0x19c [ 57.735776][ T5229] irq event stamp: 184050 [ 57.736550][ T5229] hardirqs last enabled at (184049): [] finish_task_switch+0x22c/0x768 [ 57.738438][ T5229] hardirqs last disabled at (184050): [] el1_brk64+0x20/0x54 [ 57.740119][ T5229] softirqs last enabled at (184040): [] kernel_neon_begin+0x294/0x3fc [ 57.742019][ T5229] softirqs last disabled at (184038): [] kernel_neon_begin+0x11c/0x3fc [ 57.743894][ T5229] ---[ end trace 0000000000000000 ]--- [ 57.750621][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 57.764853][ T5343] loop0: detected capacity change from 0 to 1024 [ 57.771418][ T5343] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 57.780521][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.782934][ T5229] ------------[ cut here ]------------ [ 57.782943][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 57.785862][ T5229] Modules linked in: [ 57.786534][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.788475][ T5229] Tainted: [W]=WARN [ 57.789176][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.791110][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.792684][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.793918][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.795192][ T5229] sp : ffff800094877060 [ 57.796009][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.797557][ T5229] x26: ffff0000e29f14e8 x25: ffff0000e29f1510 x24: ffff800088a09b80 [ 57.799124][ T5229] x23: ffff0000ddd24000 x22: 000000000000feeb x21: ffff0000ddd24068 [ 57.800703][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 57.802172][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 57.803665][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 57.805185][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 57.806726][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.808269][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 57.809810][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 57.811385][ T5229] Call trace: [ 57.812032][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.813290][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 57.814321][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.815482][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 57.816616][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.817714][ T5229] ext4_dirty_inode+0xd4/0x104 [ 57.818623][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 57.819646][ T5229] sync_lazytime+0x1a8/0x68c [ 57.820561][ T5229] iput+0x1cc/0xb90 [ 57.821344][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 57.822312][ T5229] __dentry_kill+0x170/0x5fc [ 57.823210][ T5229] shrink_kill+0xe8/0x318 [ 57.824072][ T5229] shrink_dentry_list+0x154/0x2a4 [ 57.825071][ T5229] shrink_dcache_tree+0x40c/0x570 [ 57.826030][ T5229] do_one_tree+0x24/0x58 [ 57.826854][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 57.827937][ T5229] generic_shutdown_super+0x70/0x2b8 [ 57.828975][ T5229] kill_block_super+0x44/0x90 [ 57.829879][ T5229] ext4_kill_sb+0x68/0xa4 [ 57.830714][ T5229] deactivate_locked_super+0xc4/0x140 [ 57.831764][ T5229] deactivate_super+0xd8/0xf8 [ 57.832673][ T5229] cleanup_mnt+0x328/0x3b8 [ 57.833546][ T5229] __cleanup_mnt+0x20/0x30 [ 57.834380][ T5229] task_work_run+0x1c4/0x254 [ 57.835240][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 57.836254][ T5229] el0_svc+0x18c/0x260 [ 57.837024][ T5229] el0t_64_sync_handler+0x48/0x148 [ 57.837982][ T5229] el0t_64_sync+0x198/0x19c [ 57.838777][ T5229] irq event stamp: 189366 [ 57.839525][ T5229] hardirqs last enabled at (189365): [] finish_task_switch+0x22c/0x768 [ 57.841346][ T5229] hardirqs last disabled at (189366): [] el1_brk64+0x20/0x54 [ 57.843059][ T5229] softirqs last enabled at (189356): [] kernel_neon_begin+0x294/0x3fc [ 57.844928][ T5229] softirqs last disabled at (189354): [] kernel_neon_begin+0x11c/0x3fc [ 57.846826][ T5229] ---[ end trace 0000000000000000 ]--- [ 57.852473][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 57.866930][ T5347] loop0: detected capacity change from 0 to 1024 [ 57.883116][ T5347] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 57.892343][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.894585][ T5229] ------------[ cut here ]------------ [ 57.894593][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 57.897740][ T5229] Modules linked in: [ 57.898519][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.900577][ T5229] Tainted: [W]=WARN [ 57.901349][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.903276][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.904783][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.906018][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.907320][ T5229] sp : ffff800094877060 [ 57.908139][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.909772][ T5229] x26: ffff0000f067e900 x25: ffff0000f067e928 x24: ffff800088a09b80 [ 57.911304][ T5229] x23: ffff0000d0700000 x22: 000000000000feeb x21: ffff0000d0700068 [ 57.912832][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 57.914356][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 57.915887][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 57.917424][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 57.919039][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.920629][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 57.922251][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 57.923877][ T5229] Call trace: [ 57.924509][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.925721][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 57.926754][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.927877][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 57.928960][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.930035][ T5229] ext4_dirty_inode+0xd4/0x104 [ 57.930922][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 57.931853][ T5229] sync_lazytime+0x1a8/0x68c [ 57.932723][ T5229] iput+0x1cc/0xb90 [ 57.933433][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 57.934379][ T5229] __dentry_kill+0x170/0x5fc [ 57.935193][ T5229] shrink_kill+0xe8/0x318 [ 57.935992][ T5229] shrink_dentry_list+0x154/0x2a4 [ 57.936887][ T5229] shrink_dcache_tree+0x40c/0x570 [ 57.937806][ T5229] do_one_tree+0x24/0x58 [ 57.938610][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 57.939548][ T5229] generic_shutdown_super+0x70/0x2b8 [ 57.940459][ T5229] kill_block_super+0x44/0x90 [ 57.941283][ T5229] ext4_kill_sb+0x68/0xa4 [ 57.942079][ T5229] deactivate_locked_super+0xc4/0x140 [ 57.943141][ T5229] deactivate_super+0xd8/0xf8 [ 57.944074][ T5229] cleanup_mnt+0x328/0x3b8 [ 57.944920][ T5229] __cleanup_mnt+0x20/0x30 [ 57.945790][ T5229] task_work_run+0x1c4/0x254 [ 57.946661][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 57.947734][ T5229] el0_svc+0x18c/0x260 [ 57.948565][ T5229] el0t_64_sync_handler+0x48/0x148 [ 57.949561][ T5229] el0t_64_sync+0x198/0x19c [ 57.950412][ T5229] irq event stamp: 195066 [ 57.951288][ T5229] hardirqs last enabled at (195065): [] finish_task_switch+0x22c/0x768 [ 57.953268][ T5229] hardirqs last disabled at (195066): [] el1_brk64+0x20/0x54 [ 57.955014][ T5229] softirqs last enabled at (195056): [] kernel_neon_begin+0x294/0x3fc [ 57.956946][ T5229] softirqs last disabled at (195054): [] kernel_neon_begin+0x11c/0x3fc [ 57.958846][ T5229] ---[ end trace 0000000000000000 ]--- [ 57.963156][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 57.977521][ T5351] loop0: detected capacity change from 0 to 1024 [ 58.008817][ T5351] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 58.015732][ ** replaying previous printk message ** [ 58.015732][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.016062][ T5229] ------------[ cut here ]------------ [ 58.016067][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 58.021944][ T5229] Modules linked in: [ 58.022753][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.024979][ T5229] Tainted: [W]=WARN [ 58.025746][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.027793][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.029457][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.030816][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.032143][ T5229] sp : ffff800094877060 [ 58.033002][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.034678][ T5229] x26: ffff0000dc93b0f0 x25: ffff0000dc93b118 x24: ffff800088a09b80 [ 58.036268][ T5229] x23: ffff0000dde8c000 x22: 000000000000feeb x21: ffff0000dde8c068 [ 58.037915][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 58.039503][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 58.041124][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 58.042768][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.044364][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.046022][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.047655][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.049234][ T5229] Call trace: [ 58.049877][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.051146][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.052192][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.053303][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.054400][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.055464][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.056426][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.057453][ T5229] sync_lazytime+0x1a8/0x68c [ 58.058383][ T5229] iput+0x1cc/0xb90 [ 58.059174][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.060228][ T5229] __dentry_kill+0x170/0x5fc [ 58.061196][ T5229] shrink_kill+0xe8/0x318 [ 58.062091][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.063143][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.064195][ T5229] do_one_tree+0x24/0x58 [ 58.065061][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.066188][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.067279][ T5229] kill_block_super+0x44/0x90 [ 58.068212][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.069097][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.070206][ T5229] deactivate_super+0xd8/0xf8 [ 58.071202][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.072107][ T5229] __cleanup_mnt+0x20/0x30 [ 58.073020][ T5229] task_work_run+0x1c4/0x254 [ 58.073920][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.074946][ T5229] el0_svc+0x18c/0x260 [ 58.075699][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.076672][ T5229] el0t_64_sync+0x198/0x19c [ 58.077550][ T5229] irq event stamp: 200452 [ 58.078418][ T5229] hardirqs last enabled at (200451): [] finish_task_switch+0x22c/0x768 [ 58.080330][ T5229] hardirqs last disabled at (200452): [] el1_brk64+0x20/0x54 [ 58.082023][ T5229] softirqs last enabled at (200442): [] kernel_neon_begin+0x294/0x3fc [ 58.083982][ T5229] softirqs last disabled at (200440): [] kernel_neon_begin+0x11c/0x3fc [ 58.085912][ T5229] ---[ end trace 0000000000000000 ]--- 1970/01/01 00:00:58 executed programs: 11 [ 58.093708][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 58.107777][ T5355] loop0: detected capacity change from 0 to 1024 [ 58.135626][ T5355] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 58 ** replaying previous printk message ** [ 58.142722][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.142829][ T5229] ------------[ cut here ]------------ [ 58.142834][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 58.148664][ T5229] Modules linked in: [ 58.149409][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.151525][ T5229] Tainted: [W]=WARN [ 58.152312][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.154410][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.155966][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.157282][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.158602][ T5229] sp : ffff800094877060 [ 58.159441][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.161076][ T5229] x26: ffff0000e29f6900 x25: ffff0000e29f6928 x24: ffff800088a09b80 [ 58.162696][ T5229] x23: ffff0000d4a4e000 x22: 000000000000feeb x21: ffff0000d4a4e068 [ 58.164298][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 58.165898][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.167525][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.169145][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.170786][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 58.172478][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 58.174166][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.175814][ T5229] Call trace: [ 58.176460][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.177737][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.178760][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.179931][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.181064][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.182149][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.183071][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.184090][ T5229] sync_lazytime+0x1a8/0x68c [ 58.184995][ T5229] iput+0x1cc/0xb90 [ 58.185752][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.186772][ T5229] __dentry_kill+0x170/0x5fc [ 58.187715][ T5229] shrink_kill+0xe8/0x318 [ 58.188571][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.189581][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.190601][ T5229] do_one_tree+0x24/0x58 [ 58.191483][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.192595][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.193642][ T5229] kill_block_super+0x44/0x90 [ 58.194570][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.195422][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.196499][ T5229] deactivate_super+0xd8/0xf8 [ 58.197467][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.198358][ T5229] __cleanup_mnt+0x20/0x30 [ 58.199255][ T5229] task_work_run+0x1c4/0x254 [ 58.200228][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.201363][ T5229] el0_svc+0x18c/0x260 [ 58.202198][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.203210][ T5229] el0t_64_sync+0x198/0x19c [ 58.204118][ T5229] irq event stamp: 207070 [ 58.204982][ T5229] hardirqs last enabled at (207069): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 58.207062][ T5229] hardirqs last disabled at (207070): [] el1_brk64+0x20/0x54 [ 58.208876][ T5229] softirqs last enabled at (207062): [] kernel_neon_begin+0x294/0x3fc [ 58.210832][ T5229] softirqs last disabled at (207060): [] kernel_neon_begin+0x11c/0x3fc [ 58.212674][ T5229] ---[ end trace 0000000000000000 ]--- [ 58.218914][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 58.240320][ T5359] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 58.246675][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.249366][ T5229] ------------[ cut here ]------------ [ 58.249377][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 58.252346][ T5229] Modules linked in: [ 58.253064][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.254938][ T5229] Tainted: [W]=WARN [ 58.255613][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.257402][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.258728][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.259943][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.261160][ T5229] sp : ffff800094877060 [ 58.261944][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.263499][ T5229] x26: ffff0000e29f43a0 x25: ffff0000e29f43c8 x24: ffff800088a09b80 [ 58.265027][ T5229] x23: ffff0000d3560000 x22: 000000000000feeb x21: ffff0000d3560068 [ 58.266620][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 58.268191][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 58.269785][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 58.271373][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.272928][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.274473][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.276053][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.277649][ T5229] Call trace: [ 58.278283][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.279598][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.280686][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.281850][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.282964][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.284019][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.284958][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.285923][ T5229] sync_lazytime+0x1a8/0x68c [ 58.286821][ T5229] iput+0x1cc/0xb90 [ 58.287561][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.288553][ T5229] __dentry_kill+0x170/0x5fc [ 58.289394][ T5229] shrink_kill+0xe8/0x318 [ 58.290224][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.291171][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.292175][ T5229] do_one_tree+0x24/0x58 [ 58.293018][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.294101][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.295107][ T5229] kill_block_super+0x44/0x90 [ 58.296028][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.296865][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.297939][ T5229] deactivate_super+0xd8/0xf8 [ 58.298844][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.299716][ T5229] __cleanup_mnt+0x20/0x30 [ 58.300592][ T5229] task_work_run+0x1c4/0x254 [ 58.301456][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.302422][ T5229] el0_svc+0x18c/0x260 [ 58.303187][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.304131][ T5229] el0t_64_sync+0x198/0x19c [ 58.304992][ T5229] irq event stamp: 212372 [ 58.305822][ T5229] hardirqs last enabled at (212371): [] finish_task_switch+0x22c/0x768 [ 58.307736][ T5229] hardirqs last disabled at (212372): [] el1_brk64+0x20/0x54 [ 58.309442][ T5229] softirqs last enabled at (212362): [] kernel_neon_begin+0x294/0x3fc [ 58.311226][ T5229] softirqs last disabled at (212360): [] kernel_neon_begin+0x11c/0x3fc [ 58.313044][ T5229] ---[ end trace 0000000000000000 ]--- [ 58.318327][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 58.361420][ T5363] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 58.368544][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.371253][ T5229] ------------[ cut here ]------------ [ 58.371261][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 58.374148][ T5229] Modules linked in: [ 58.374855][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.376711][ T5229] Tainted: [W]=WARN [ 58.377426][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.379403][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.380932][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.382207][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.383442][ T5229] sp : ffff800094877060 [ 58.384231][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.385808][ T5229] x26: ffff0000e2bdccf8 x25: ffff0000e2bdcd20 x24: ffff800088a09b80 [ 58.387353][ T5229] x23: ffff0000d833e000 x22: 000000000000feeb x21: ffff0000d833e068 [ 58.388863][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 58.390352][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 58.391778][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 58.393330][ T5229] x11: 000000000000086f x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.394867][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.396372][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.397908][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.399429][ T5229] Call trace: [ 58.400052][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.401329][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.402350][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.403469][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.404561][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.405665][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.406622][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.407610][ T5229] sync_lazytime+0x1a8/0x68c [ 58.408505][ T5229] iput+0x1cc/0xb90 [ 58.409210][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.410213][ T5229] __dentry_kill+0x170/0x5fc [ 58.411110][ T5229] shrink_kill+0xe8/0x318 [ 58.411934][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.412872][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.413820][ T5229] do_one_tree+0x24/0x58 [ 58.414637][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.415711][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.416722][ T5229] kill_block_super+0x44/0x90 [ 58.417615][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.418479][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.419537][ T5229] deactivate_super+0xd8/0xf8 [ 58.420393][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.421265][ T5229] __cleanup_mnt+0x20/0x30 [ 58.422118][ T5229] task_work_run+0x1c4/0x254 [ 58.422973][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.423999][ T5229] el0_svc+0x18c/0x260 [ 58.424777][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.425773][ T5229] el0t_64_sync+0x198/0x19c [ 58.426662][ T5229] irq event stamp: 218038 [ 58.427516][ T5229] hardirqs last enabled at (218037): [] finish_task_switch+0x22c/0x768 [ 58.429479][ T5229] hardirqs last disabled at (218038): [] el1_brk64+0x20/0x54 [ 58.431268][ T5229] softirqs last enabled at (218028): [] kernel_neon_begin+0x294/0x3fc [ 58.433218][ T5229] softirqs last disabled at (218026): [] kernel_neon_begin+0x11c/0x3fc [ 58.435187][ T5229] ---[ end trace 0000000000000000 ]--- [ 58.440651][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 58.472390][ T5367] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 58.480816][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.480935][ T5229] ------------[ cut here ]------------ [ 58.480940][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 58.486628][ T5229] Modules linked in: [ 58.487370][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.489373][ T5229] Tainted: [W]=WARN [ 58.490139][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.492151][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.493722][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.495084][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.496385][ T5229] sp : ffff800094877060 [ 58.497232][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.498852][ T5229] x26: ffff0000e297d650 x25: ffff0000e297d678 x24: ffff800088a09b80 [ 58.500508][ T5229] x23: ffff0000d7358000 x22: 000000000000feeb x21: ffff0000d7358068 [ 58.502137][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 58.503731][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.505333][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.506951][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.508536][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 58.510116][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 58.511751][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.513379][ T5229] Call trace: [ 58.513997][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.515234][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.516284][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.517442][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.518543][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.519607][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.520610][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.521577][ T5229] sync_lazytime+0x1a8/0x68c [ 58.522522][ T5229] iput+0x1cc/0xb90 [ 58.523278][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.524312][ T5229] __dentry_kill+0x170/0x5fc [ 58.525271][ T5229] shrink_kill+0xe8/0x318 [ 58.526136][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.527151][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.528137][ T5229] do_one_tree+0x24/0x58 [ 58.528957][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.530004][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.531062][ T5229] kill_block_super+0x44/0x90 [ 58.531991][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.532857][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.533968][ T5229] deactivate_super+0xd8/0xf8 [ 58.534921][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.535811][ T5229] __cleanup_mnt+0x20/0x30 [ 58.536680][ T5229] task_work_run+0x1c4/0x254 [ 58.537545][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.538623][ T5229] el0_svc+0x18c/0x260 [ 58.539439][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.540459][ T5229] el0t_64_sync+0x198/0x19c [ 58.541371][ T5229] irq event stamp: 223434 [ 58.542235][ T5229] hardirqs last enabled at (223433): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 58.544310][ T5229] hardirqs last disabled at (223434): [] el1_brk64+0x20/0x54 [ 58.546136][ T5229] softirqs last enabled at (223426): [] kernel_neon_begin+0x294/0x3fc [ 58.548115][ T5229] softirqs last disabled at (223424): [] kernel_neon_begin+0x11c/0x3fc [ 58.550068][ T5229] ---[ end trace 0000000000000000 ]--- [ 58.554727][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 58.571164][ T5371] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 58.576966][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.577107][ T5229] ------------[ cut here ]------------ [ 58.577114][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 58.582562][ T5229] Modules linked in: [ 58.583364][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.585538][ T5229] Tainted: [W]=WARN [ 58.586309][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.588336][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.589916][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.591209][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.592503][ T5229] sp : ffff800094877060 [ 58.593306][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.594932][ T5229] x26: ffff0000e2bda798 x25: ffff0000e2bda7c0 x24: ffff800088a09b80 [ 58.596525][ T5229] x23: ffff0000d88d2000 x22: 000000000000feeb x21: ffff0000d88d2068 [ 58.598062][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 58.599656][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.601268][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.602870][ T5229] x11: 0000000000000c75 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.604491][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 58.606111][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 58.607742][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.609401][ T5229] Call trace: [ 58.610059][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.611373][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.612438][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.613591][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.614704][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.615790][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.616752][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.617772][ T5229] sync_lazytime+0x1a8/0x68c [ 58.618708][ T5229] iput+0x1cc/0xb90 [ 58.619462][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.620510][ T5229] __dentry_kill+0x170/0x5fc [ 58.621412][ T5229] shrink_kill+0xe8/0x318 [ 58.622268][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.623234][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.624196][ T5229] do_one_tree+0x24/0x58 [ 58.625030][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.626108][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.627125][ T5229] kill_block_super+0x44/0x90 [ 58.628031][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.628863][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.629900][ T5229] deactivate_super+0xd8/0xf8 [ 58.630860][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.631769][ T5229] __cleanup_mnt+0x20/0x30 [ 58.632633][ T5229] task_work_run+0x1c4/0x254 [ 58.633528][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.634630][ T5229] el0_svc+0x18c/0x260 [ 58.635453][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.636476][ T5229] el0t_64_sync+0x198/0x19c [ 58.637352][ T5229] irq event stamp: 229436 [ 58.638201][ T5229] hardirqs last enabled at (229435): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 58.640217][ T5229] hardirqs last disabled at (229436): [] el1_brk64+0x20/0x54 [ 58.641905][ T5229] softirqs last enabled at (229428): [] kernel_neon_begin+0x294/0x3fc [ 58.643771][ T5229] softirqs last disabled at (229426): [] kernel_neon_begin+0x11c/0x3fc [ 58.645674][ T5229] ---[ end trace 0000000000000000 ]--- [ 58.652300][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 58.680685][ T5376] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 58 ** replaying previous printk message ** [ 58.685274][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.685397][ T5229] ------------[ cut here ]------------ [ 58.685401][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 58.691396][ T5229] Modules linked in: [ 58.692174][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.694291][ T5229] Tainted: [W]=WARN [ 58.695083][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.697001][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.698542][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.699768][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.700995][ T5229] sp : ffff800094877060 [ 58.701733][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.703267][ T5229] x26: ffff0000e2bd8238 x25: ffff0000e2bd8260 x24: ffff800088a09b80 [ 58.704729][ T5229] x23: ffff0000d3a56000 x22: 000000000000feeb x21: ffff0000d3a56068 [ 58.706249][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 58.707815][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.709356][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.710882][ T5229] x11: 0000000000000ccf x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.712405][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 58.713903][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 58.715371][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.717003][ T5229] Call trace: [ 58.717636][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.718936][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.720006][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.721140][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.722179][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.723255][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.724205][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.725213][ T5229] sync_lazytime+0x1a8/0x68c [ 58.726109][ T5229] iput+0x1cc/0xb90 [ 58.726878][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.727892][ T5229] __dentry_kill+0x170/0x5fc [ 58.728764][ T5229] shrink_kill+0xe8/0x318 [ 58.729580][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.730503][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.731477][ T5229] do_one_tree+0x24/0x58 [ 58.732332][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.733405][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.734512][ T5229] kill_block_super+0x44/0x90 [ 58.735511][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.736398][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.737407][ T5229] deactivate_super+0xd8/0xf8 [ 58.738328][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.739186][ T5229] __cleanup_mnt+0x20/0x30 [ 58.740010][ T5229] task_work_run+0x1c4/0x254 [ 58.740844][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.741815][ T5229] el0_svc+0x18c/0x260 [ 58.742605][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.743586][ T5229] el0t_64_sync+0x198/0x19c [ 58.744439][ T5229] irq event stamp: 234962 [ 58.745193][ T5229] hardirqs last enabled at (234961): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 58.747032][ T5229] hardirqs last disabled at (234962): [] el1_brk64+0x20/0x54 [ 58.748632][ T5229] softirqs last enabled at (234954): [] kernel_neon_begin+0x294/0x3fc [ 58.750379][ T5229] softirqs last disabled at (234952): [] kernel_neon_begin+0x11c/0x3fc [ 58.752280][ T5229] ---[ end trace 0000000000000000 ]--- [ 58.759364][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 58.790298][ T5380] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 58 ** replaying previous printk message ** [ 58.803488][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.803608][ T5229] ------------[ cut here ]------------ [ 58.803613][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 58.809647][ T5229] Modules linked in: [ 58.810440][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.812526][ T5229] Tainted: [W]=WARN [ 58.813289][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.815246][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.816872][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.818185][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.819550][ T5229] sp : ffff800094877060 [ 58.820423][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.822094][ T5229] x26: ffff0000ed855650 x25: ffff0000ed855678 x24: ffff800088a09b80 [ 58.823753][ T5229] x23: ffff0000cd5ee000 x22: 000000000000feeb x21: ffff0000cd5ee068 [ 58.825411][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 58.827038][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.828617][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.830305][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.831994][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 58.833637][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 58.835266][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.836926][ T5229] Call trace: [ 58.837639][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.838938][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.840004][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.841188][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.842338][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.843457][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.844452][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.845491][ T5229] sync_lazytime+0x1a8/0x68c [ 58.846379][ T5229] iput+0x1cc/0xb90 [ 58.847109][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.848110][ T5229] __dentry_kill+0x170/0x5fc [ 58.849019][ T5229] shrink_kill+0xe8/0x318 [ 58.849899][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.850950][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.851937][ T5229] do_one_tree+0x24/0x58 [ 58.852778][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.853879][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.854961][ T5229] kill_block_super+0x44/0x90 [ 58.855904][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.856806][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.857922][ T5229] deactivate_super+0xd8/0xf8 [ 58.858869][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.859774][ T5229] __cleanup_mnt+0x20/0x30 [ 58.860640][ T5229] task_work_run+0x1c4/0x254 [ 58.861555][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.862628][ T5229] el0_svc+0x18c/0x260 [ 58.863440][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.864467][ T5229] el0t_64_sync+0x198/0x19c [ 58.865405][ T5229] irq event stamp: 240320 [ 58.866313][ T5229] hardirqs last enabled at (240319): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 58.868365][ T5229] hardirqs last disabled at (240320): [] el1_brk64+0x20/0x54 [ 58.870159][ T5229] softirqs last enabled at (240312): [] kernel_neon_begin+0x294/0x3fc [ 58.872157][ T5229] softirqs last disabled at (240310): [] kernel_neon_begin+0x11c/0x3fc [ 58.874081][ T5229] ---[ end trace 0000000000000000 ]--- [ 58.878940][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 58.910199][ T5384] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 58.916861][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.919870][ T5229] ------------[ cut here ]------------ [ 58.919882][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 58.922950][ T5229] Modules linked in: [ 58.923683][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.925663][ T5229] Tainted: [W]=WARN [ 58.926376][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.928148][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.929533][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.930788][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.932089][ T5229] sp : ffff800094877060 [ 58.932902][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.934487][ T5229] x26: ffff0000ed8530f0 x25: ffff0000ed853118 x24: ffff800088a09b80 [ 58.936106][ T5229] x23: ffff0000d938c000 x22: 000000000000feeb x21: ffff0000d938c068 [ 58.937687][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 0000000000000000 [ 58.939349][ T5229] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 [ 58.941030][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 58.942680][ T5229] x11: 00000000000008fe x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 58.944274][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.945878][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.947526][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 58.949079][ T5229] Call trace: [ 58.949629][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.950820][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 58.951863][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.953040][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 58.954150][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.955276][ T5229] ext4_dirty_inode+0xd4/0x104 [ 58.956222][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 58.957255][ T5229] sync_lazytime+0x1a8/0x68c [ 58.958174][ T5229] iput+0x1cc/0xb90 [ 58.958928][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 58.959959][ T5229] __dentry_kill+0x170/0x5fc [ 58.960858][ T5229] shrink_kill+0xe8/0x318 [ 58.961735][ T5229] shrink_dentry_list+0x154/0x2a4 [ 58.962724][ T5229] shrink_dcache_tree+0x40c/0x570 [ 58.963722][ T5229] do_one_tree+0x24/0x58 [ 58.964581][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 58.965682][ T5229] generic_shutdown_super+0x70/0x2b8 [ 58.966743][ T5229] kill_block_super+0x44/0x90 [ 58.967677][ T5229] ext4_kill_sb+0x68/0xa4 [ 58.968517][ T5229] deactivate_locked_super+0xc4/0x140 [ 58.969571][ T5229] deactivate_super+0xd8/0xf8 [ 58.970482][ T5229] cleanup_mnt+0x328/0x3b8 [ 58.971338][ T5229] __cleanup_mnt+0x20/0x30 [ 58.972192][ T5229] task_work_run+0x1c4/0x254 [ 58.973076][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 58.974041][ T5229] el0_svc+0x18c/0x260 [ 58.974826][ T5229] el0t_64_sync_handler+0x48/0x148 [ 58.975843][ T5229] el0t_64_sync+0x198/0x19c [ 58.976723][ T5229] irq event stamp: 247312 [ 58.977567][ T5229] hardirqs last enabled at (247311): [] finish_task_switch+0x22c/0x768 [ 58.979478][ T5229] hardirqs last disabled at (247312): [] el1_brk64+0x20/0x54 [ 58.981159][ T5229] softirqs last enabled at (247302): [] kernel_neon_begin+0x294/0x3fc [ 58.983014][ T5229] softirqs last disabled at (247300): [] kernel_neon_begin+0x11c/0x3fc [ 58.984961][ T5229] ---[ end trace 0000000000000000 ]--- [ 58.988899][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.032021][ T5388] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 59 ** replaying previous printk message ** [ 59.038922][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.039040][ T5229] ------------[ cut here ]------------ [ 59.039044][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.045188][ T5229] Modules linked in: [ 59.045957][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.048042][ T5229] Tainted: [W]=WARN [ 59.048785][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.050820][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.052413][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.053736][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.055068][ T5229] sp : ffff800094877060 [ 59.055903][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.057540][ T5229] x26: ffff0000e28bba48 x25: ffff0000e28bba70 x24: ffff800088a09b80 [ 59.059101][ T5229] x23: ffff0000d92c8000 x22: 000000000000feeb x21: ffff0000d92c8068 [ 59.060669][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.062360][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.064019][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.065614][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.067224][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.068839][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.070480][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.072111][ T5229] Call trace: [ 59.072772][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.074044][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.075100][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.076265][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.077373][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.078465][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.079425][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.080442][ T5229] sync_lazytime+0x1a8/0x68c [ 59.081332][ T5229] iput+0x1cc/0xb90 [ 59.082068][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.083078][ T5229] __dentry_kill+0x170/0x5fc [ 59.083960][ T5229] shrink_kill+0xe8/0x318 [ 59.084748][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.085701][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.086621][ T5229] do_one_tree+0x24/0x58 [ 59.087399][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 59.088417][ T5229] generic_shutdown_super+0x70/0x2b8 [ 59.089408][ T5229] kill_block_super+0x44/0x90 [ 59.090355][ T5229] ext4_kill_sb+0x68/0xa4 [ 59.091238][ T5229] deactivate_locked_super+0xc4/0x140 [ 59.092289][ T5229] deactivate_super+0xd8/0xf8 [ 59.093202][ T5229] cleanup_mnt+0x328/0x3b8 [ 59.094067][ T5229] __cleanup_mnt+0x20/0x30 [ 59.094905][ T5229] task_work_run+0x1c4/0x254 [ 59.095799][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 59.096870][ T5229] el0_svc+0x18c/0x260 [ 59.097669][ T5229] el0t_64_sync_handler+0x48/0x148 [ 59.098677][ T5229] el0t_64_sync+0x198/0x19c [ 59.099558][ T5229] irq event stamp: 252620 [ 59.100391][ T5229] hardirqs last enabled at (252619): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.102436][ T5229] hardirqs last disabled at (252620): [] el1_brk64+0x20/0x54 [ 59.104225][ T5229] softirqs last enabled at (252612): [] kernel_neon_begin+0x294/0x3fc [ 59.106108][ T5229] softirqs last disabled at (252610): [] kernel_neon_begin+0x11c/0x3fc [ 59.107990][ T5229] ---[ end trace 0000000000000000 ]--- [ 59.113838][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.151758][ T5392] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 59 ** replaying previous printk message ** [ 59.158438][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.158550][ T5229] ------------[ cut here ]------------ [ 59.158555][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.164774][ T5229] Modules linked in: [ 59.165589][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.167765][ T5229] Tainted: [W]=WARN [ 59.168535][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.170563][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.172164][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.173457][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.174761][ T5229] sp : ffff800094877060 [ 59.175595][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.177268][ T5229] x26: ffff0000e28b94e8 x25: ffff0000e28b9510 x24: ffff800088a09b80 [ 59.178869][ T5229] x23: ffff0000d9f24000 x22: 000000000000feeb x21: ffff0000d9f24068 [ 59.180533][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.182127][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.183760][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.185355][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.187012][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.188651][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.190279][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.191941][ T5229] Call trace: [ 59.192600][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.193883][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.194960][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.196035][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.197131][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.198236][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.199201][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.200253][ T5229] sync_lazytime+0x1a8/0x68c [ 59.201221][ T5229] iput+0x1cc/0xb90 [ 59.202012][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.203060][ T5229] __dentry_kill+0x170/0x5fc [ 59.203989][ T5229] shrink_kill+0xe8/0x318 [ 59.204873][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.205838][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.206803][ T5229] do_one_tree+0x24/0x58 [ 59.207628][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 59.208722][ T5229] generic_shutdown_super+0x70/0x2b8 [ 59.209037][ T50] Bluetooth: hci0: command tx timeout [ 59.210850][ T5229] kill_block_super+0x44/0x90 [ 59.211791][ T5229] ext4_kill_sb+0x68/0xa4 [ 59.212663][ T5229] deactivate_locked_super+0xc4/0x140 [ 59.213768][ T5229] deactivate_super+0xd8/0xf8 [ 59.214735][ T5229] cleanup_mnt+0x328/0x3b8 [ 59.215646][ T5229] __cleanup_mnt+0x20/0x30 [ 59.216554][ T5229] task_work_run+0x1c4/0x254 [ 59.217535][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 59.218623][ T5229] el0_svc+0x18c/0x260 [ 59.219446][ T5229] el0t_64_sync_handler+0x48/0x148 [ 59.220511][ T5229] el0t_64_sync+0x198/0x19c [ 59.221414][ T5229] irq event stamp: 257894 [ 59.222262][ T5229] hardirqs last enabled at (257893): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.224347][ T5229] hardirqs last disabled at (257894): [] el1_brk64+0x20/0x54 [ 59.226128][ T5229] softirqs last enabled at (257886): [] kernel_neon_begin+0x294/0x3fc [ 59.228043][ T5229] softirqs last disabled at (257884): [] kernel_neon_begin+0x11c/0x3fc [ 59.229888][ T5229] ---[ end trace 0000000000000000 ]--- [ 59.235076][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.281021][ T5396] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 59.285526][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.285646][ T5229] ------------[ cut here ]------------ [ 59.285653][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.290804][ T5229] Modules linked in: [ 59.291562][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.293703][ T5229] Tainted: [W]=WARN [ 59.294470][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.296437][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.298007][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.299374][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.300658][ T5229] sp : ffff800094877060 [ 59.301503][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.303218][ T5229] x26: ffff0000ed850b90 x25: ffff0000ed850bb8 x24: ffff800088a09b80 [ 59.304832][ T5229] x23: ffff0000d7a94000 x22: 000000000000feeb x21: ffff0000d7a94068 [ 59.306420][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.308062][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.309717][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.311356][ T5229] x11: 0000000000000e37 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.312977][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.314613][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.316219][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.317793][ T5229] Call trace: [ 59.318439][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.319737][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.320862][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.322054][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.323184][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.324306][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.325294][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.326330][ T5229] sync_lazytime+0x1a8/0x68c [ 59.327286][ T5229] iput+0x1cc/0xb90 [ 59.328066][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.329131][ T5229] __dentry_kill+0x170/0x5fc [ 59.330078][ T5229] shrink_kill+0xe8/0x318 [ 59.330988][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.332038][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.333065][ T5229] do_one_tree+0x24/0x58 [ 59.333934][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 59.335083][ T5229] generic_shutdown_super+0x70/0x2b8 [ 59.336146][ T5229] kill_block_super+0x44/0x90 [ 59.337105][ T5229] ext4_kill_sb+0x68/0xa4 [ 59.337988][ T5229] deactivate_locked_super+0xc4/0x140 [ 59.339081][ T5229] deactivate_super+0xd8/0xf8 [ 59.340043][ T5229] cleanup_mnt+0x328/0x3b8 [ 59.340914][ T5229] __cleanup_mnt+0x20/0x30 [ 59.341821][ T5229] task_work_run+0x1c4/0x254 [ 59.342785][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 59.343881][ T5229] el0_svc+0x18c/0x260 [ 59.344697][ T5229] el0t_64_sync_handler+0x48/0x148 [ 59.345747][ T5229] el0t_64_sync+0x198/0x19c [ 59.346676][ T5229] irq event stamp: 263532 [ 59.347559][ T5229] hardirqs last enabled at (263531): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.349862][ T5229] hardirqs last disabled at (263532): [] el1_brk64+0x20/0x54 [ 59.351748][ T5229] softirqs last enabled at (263524): [] kernel_neon_begin+0x294/0x3fc [ 59.353716][ T5229] softirqs last disabled at (263522): [] kernel_neon_begin+0x11c/0x3fc [ 59.355628][ T5229] ---[ end trace 0000000000000000 ]--- [ 59.360914][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.394022][ T5400] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 59 ** replaying previous printk message ** [ 59.401916][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.402032][ T5229] ------------[ cut here ]------------ [ 59.402036][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.407884][ T5229] Modules linked in: [ 59.408618][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.410721][ T5229] Tainted: [W]=WARN [ 59.411485][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.413568][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.415116][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.416405][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.417660][ T5229] sp : ffff800094877060 [ 59.418586][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.420344][ T5229] x26: ffff0000e2bdf258 x25: ffff0000e2bdf280 x24: ffff800088a09b80 [ 59.421945][ T5229] x23: ffff0000da352000 x22: 000000000000feeb x21: ffff0000da352068 [ 59.423564][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.425141][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.426834][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.428507][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.430147][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.431799][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.433477][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.435133][ T5229] Call trace: [ 59.435781][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.437081][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.438155][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.439297][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.440415][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.441522][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.442481][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.443518][ T5229] sync_lazytime+0x1a8/0x68c [ 59.444441][ T5229] iput+0x1cc/0xb90 [ 59.445127][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.446192][ T5229] __dentry_kill+0x170/0x5fc [ 59.447113][ T5229] shrink_kill+0xe8/0x318 [ 59.448028][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.449066][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.450091][ T5229] do_one_tree+0x24/0x58 [ 59.450902][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 59.451987][ T5229] generic_shutdown_super+0x70/0x2b8 [ 59.453086][ T5229] kill_block_super+0x44/0x90 [ 59.454062][ T5229] ext4_kill_sb+0x68/0xa4 [ 59.454962][ T5229] deactivate_locked_super+0xc4/0x140 [ 59.456102][ T5229] deactivate_super+0xd8/0xf8 [ 59.457084][ T5229] cleanup_mnt+0x328/0x3b8 [ 59.457974][ T5229] __cleanup_mnt+0x20/0x30 [ 59.458862][ T5229] task_work_run+0x1c4/0x254 [ 59.459709][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 59.460770][ T5229] el0_svc+0x18c/0x260 [ 59.461587][ T5229] el0t_64_sync_handler+0x48/0x148 [ 59.462587][ T5229] el0t_64_sync+0x198/0x19c [ 59.463496][ T5229] irq event stamp: 268782 [ 59.464366][ T5229] hardirqs last enabled at (268781): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.466467][ T5229] hardirqs last disabled at (268782): [] el1_brk64+0x20/0x54 [ 59.468217][ T5229] softirqs last enabled at (268774): [] kernel_neon_begin+0x294/0x3fc [ 59.470143][ T5229] softirqs last disabled at (268772): [] kernel_neon_begin+0x11c/0x3fc [ 59.472051][ T5229] ---[ end trace 0000000000000000 ]--- [ 59.477327][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.515241][ T5404] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 59 ** replaying previous printk message ** [ 59.520735][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.520849][ T5229] ------------[ cut here ]------------ [ 59.520853][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.526758][ T5229] Modules linked in: [ 59.527509][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.529576][ T5229] Tainted: [W]=WARN [ 59.530357][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.532439][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.533908][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.535138][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.536351][ T5229] sp : ffff800094877060 [ 59.537101][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.538653][ T5229] x26: ffff0000e2adb0f0 x25: ffff0000e2adb118 x24: ffff800088a09b80 [ 59.540135][ T5229] x23: ffff0000dac8e000 x22: 000000000000feeb x21: ffff0000dac8e068 [ 59.541668][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.543222][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.544881][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.546449][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.548056][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.549752][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.551390][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.553036][ T5229] Call trace: [ 59.553682][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.555044][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.556110][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.557308][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.558445][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.559550][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.560518][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.561534][ T5229] sync_lazytime+0x1a8/0x68c [ 59.562459][ T5229] iput+0x1cc/0xb90 [ 59.563222][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.564219][ T5229] __dentry_kill+0x170/0x5fc [ 59.565110][ T5229] shrink_kill+0xe8/0x318 [ 59.565944][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.566912][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.567903][ T5229] do_one_tree+0x24/0x58 [ 59.568723][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 59.569748][ T5229] generic_shutdown_super+0x70/0x2b8 [ 59.570729][ T5229] kill_block_super+0x44/0x90 [ 59.571639][ T5229] ext4_kill_sb+0x68/0xa4 [ 59.572502][ T5229] deactivate_locked_super+0xc4/0x140 [ 59.573603][ T5229] deactivate_super+0xd8/0xf8 [ 59.574582][ T5229] cleanup_mnt+0x328/0x3b8 [ 59.575501][ T5229] __cleanup_mnt+0x20/0x30 [ 59.576418][ T5229] task_work_run+0x1c4/0x254 [ 59.577357][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 59.578464][ T5229] el0_svc+0x18c/0x260 [ 59.579287][ T5229] el0t_64_sync_handler+0x48/0x148 [ 59.580318][ T5229] el0t_64_sync+0x198/0x19c [ 59.581251][ T5229] irq event stamp: 275078 [ 59.582138][ T5229] hardirqs last enabled at (275077): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.584289][ T5229] hardirqs last disabled at (275078): [] el1_brk64+0x20/0x54 [ 59.586168][ T5229] softirqs last enabled at (275070): [] kernel_neon_begin+0x294/0x3fc [ 59.588163][ T5229] softirqs last disabled at (275068): [] kernel_neon_begin+0x11c/0x3fc [ 59.590167][ T5229] ---[ end trace 0000000000000000 ]--- [ 59.594858][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.626057][ T5408] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 59.635500][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.635616][ T5229] ------------[ cut here ]------------ [ 59.635620][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.641447][ T5229] Modules linked in: [ 59.642277][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.644354][ T5229] Tainted: [W]=WARN [ 59.645108][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.647126][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.648708][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.650040][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.651388][ T5229] sp : ffff800094877060 [ 59.652227][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.653793][ T5229] x26: ffff0000e2ad8b90 x25: ffff0000e2ad8bb8 x24: ffff800088a09b80 [ 59.655444][ T5229] x23: ffff0000da680000 x22: 000000000000feeb x21: ffff0000da680068 [ 59.657070][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.658726][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.660304][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.662009][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.663590][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.665216][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.666868][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.668435][ T5229] Call trace: [ 59.669129][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.670426][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.671483][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.672638][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.673775][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.674869][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.675830][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.676831][ T5229] sync_lazytime+0x1a8/0x68c [ 59.677763][ T5229] iput+0x1cc/0xb90 [ 59.678524][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.679515][ T5229] __dentry_kill+0x170/0x5fc [ 59.680424][ T5229] shrink_kill+0xe8/0x318 [ 59.681260][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.682260][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.683262][ T5229] do_one_tree+0x24/0x58 [ 59.684124][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 59.685258][ T5229] generic_shutdown_super+0x70/0x2b8 [ 59.686293][ T5229] kill_block_super+0x44/0x90 [ 59.687237][ T5229] ext4_kill_sb+0x68/0xa4 [ 59.688111][ T5229] deactivate_locked_super+0xc4/0x140 [ 59.689155][ T5229] deactivate_super+0xd8/0xf8 [ 59.690077][ T5229] cleanup_mnt+0x328/0x3b8 [ 59.690961][ T5229] __cleanup_mnt+0x20/0x30 [ 59.691854][ T5229] task_work_run+0x1c4/0x254 [ 59.692775][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 59.693866][ T5229] el0_svc+0x18c/0x260 [ 59.694652][ T5229] el0t_64_sync_handler+0x48/0x148 [ 59.695718][ T5229] el0t_64_sync+0x198/0x19c [ 59.696683][ T5229] irq event stamp: 281162 [ 59.697585][ T5229] hardirqs last enabled at (281161): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.699746][ T5229] hardirqs last disabled at (281162): [] el1_brk64+0x20/0x54 [ 59.701608][ T5229] softirqs last enabled at (281154): [] kernel_neon_begin+0x294/0x3fc [ 59.703630][ T5229] softirqs last disabled at (281152): [] kernel_neon_begin+0x11c/0x3fc [ 59.705562][ T5229] ---[ end trace 0000000000000000 ]--- [ 59.710697][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.740777][ T5412] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 59.747117][ T ** replaying previous printk message ** [ 59.747117][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.747434][ T5229] ------------[ cut here ]------------ [ 59.747439][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.753753][ T5229] Modules linked in: [ 59.754530][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.756614][ T5229] Tainted: [W]=WARN [ 59.757393][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.759490][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.761094][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.762436][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.763722][ T5229] sp : ffff800094877060 [ 59.764522][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.766214][ T5229] x26: ffff0000e28bdfa8 x25: ffff0000e28bdfd0 x24: ffff800088a09b80 [ 59.767886][ T5229] x23: ffff0000d6770000 x22: 000000000000feeb x21: ffff0000d6770068 [ 59.769549][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.771203][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 59.772772][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 59.774410][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.776075][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.777753][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 59.779370][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.780980][ T5229] Call trace: [ 59.781619][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.782914][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.784068][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.785262][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.786426][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.787535][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.788534][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.789611][ T5229] sync_lazytime+0x1a8/0x68c [ 59.790531][ T5229] iput+0x1cc/0xb90 [ 59.791300][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.792358][ T5229] __dentry_kill+0x170/0x5fc [ 59.793298][ T5229] shrink_kill+0xe8/0x318 [ 59.794180][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.795225][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.796236][ T5229] do_one_tree+0x24/0x58 [ 59.797115][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 59.798227][ T5229] generic_shutdown_super+0x70/0x2b8 [ 59.799308][ T5229] kill_block_super+0x44/0x90 [ 59.800253][ T5229] ext4_kill_sb+0x68/0xa4 [ 59.801134][ T5229] deactivate_locked_super+0xc4/0x140 [ 59.802243][ T5229] deactivate_super+0xd8/0xf8 [ 59.803201][ T5229] cleanup_mnt+0x328/0x3b8 [ 59.804099][ T5229] __cleanup_mnt+0x20/0x30 [ 59.805006][ T5229] task_work_run+0x1c4/0x254 [ 59.805938][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 59.807012][ T5229] el0_svc+0x18c/0x260 [ 59.807835][ T5229] el0t_64_sync_handler+0x48/0x148 [ 59.808855][ T5229] el0t_64_sync+0x198/0x19c [ 59.809766][ T5229] irq event stamp: 286440 [ 59.810601][ T5229] hardirqs last enabled at (286439): [] finish_task_switch+0x22c/0x768 [ 59.812533][ T5229] hardirqs last disabled at (286440): [] el1_brk64+0x20/0x54 [ 59.814278][ T5229] softirqs last enabled at (286430): [] kernel_neon_begin+0x294/0x3fc [ 59.816092][ T5229] softirqs last disabled at (286428): [] kernel_neon_begin+0x11c/0x3fc [ 59.817947][ T5229] ---[ end trace 0000000000000000 ]--- [ 59.823141][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.841331][ T5416] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 59.845551][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.845673][ T5229] ------------[ cut here ]------------ [ 59.845677][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.851919][ T5229] Modules linked in: [ 59.852708][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.854936][ T5229] Tainted: [W]=WARN [ 59.855730][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.857829][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.859429][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.860737][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.862034][ T5229] sp : ffff800094877060 [ 59.862849][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.864430][ T5229] x26: ffff0000f0752798 x25: ffff0000f07527c0 x24: ffff800088a09b80 [ 59.866020][ T5229] x23: ffff0000db02e000 x22: 000000000000feeb x21: ffff0000db02e068 [ 59.867675][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.869327][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.870971][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.872670][ T5229] x11: 0000000000000ff8 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.874313][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.875932][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.877513][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.879143][ T5229] Call trace: [ 59.879783][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.881094][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.882150][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.883325][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.884497][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.885641][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.886608][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.887669][ T5229] sync_lazytime+0x1a8/0x68c [ 59.888614][ T5229] iput+0x1cc/0xb90 [ 59.889388][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.890461][ T5229] __dentry_kill+0x170/0x5fc [ 59.891433][ T5229] shrink_kill+0xe8/0x318 [ 59.892318][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.893336][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.894352][ T5229] do_one_tree+0x24/0x58 [ 59.895239][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 59.896320][ T5229] generic_shutdown_super+0x70/0x2b8 [ 59.897423][ T5229] kill_block_super+0x44/0x90 [ 59.898391][ T5229] ext4_kill_sb+0x68/0xa4 [ 59.899300][ T5229] deactivate_locked_super+0xc4/0x140 [ 59.900391][ T5229] deactivate_super+0xd8/0xf8 [ 59.901353][ T5229] cleanup_mnt+0x328/0x3b8 [ 59.902240][ T5229] __cleanup_mnt+0x20/0x30 [ 59.903119][ T5229] task_work_run+0x1c4/0x254 [ 59.904039][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 59.905131][ T5229] el0_svc+0x18c/0x260 [ 59.905964][ T5229] el0t_64_sync_handler+0x48/0x148 [ 59.907047][ T5229] el0t_64_sync+0x198/0x19c [ 59.907952][ T5229] irq event stamp: 291514 [ 59.908836][ T5229] hardirqs last enabled at (291513): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.910874][ T5229] hardirqs last disabled at (291514): [] el1_brk64+0x20/0x54 [ 59.912673][ T5229] softirqs last enabled at (291506): [] kernel_neon_begin+0x294/0x3fc [ 59.914612][ T5229] softirqs last disabled at (291504): [] kernel_neon_begin+0x11c/0x3fc [ 59.916609][ T5229] ---[ end trace 0000000000000000 ]--- [ 59.922087][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 59.940245][ T5420] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 59. ** replaying previous printk message ** [ 59.951783][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.951898][ T5229] ------------[ cut here ]------------ [ 59.951903][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 59.957680][ T5229] Modules linked in: [ 59.958451][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.960579][ T5229] Tainted: [W]=WARN [ 59.961342][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.963328][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.964961][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.966286][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.967658][ T5229] sp : ffff800094877060 [ 59.968501][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.970059][ T5229] x26: ffff0000f0750238 x25: ffff0000f0750260 x24: ffff800088a09b80 [ 59.971707][ T5229] x23: ffff0000dd012000 x22: 000000000000feeb x21: ffff0000dd012068 [ 59.973369][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.975022][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.976680][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.978369][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 59.980032][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.981684][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.983290][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 59.984955][ T5229] Call trace: [ 59.985601][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.986881][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 59.987944][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.989069][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 59.990179][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.991197][ T5229] ext4_dirty_inode+0xd4/0x104 [ 59.992083][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 59.993120][ T5229] sync_lazytime+0x1a8/0x68c [ 59.994066][ T5229] iput+0x1cc/0xb90 [ 59.994832][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 59.995875][ T5229] __dentry_kill+0x170/0x5fc [ 59.996837][ T5229] shrink_kill+0xe8/0x318 [ 59.997757][ T5229] shrink_dentry_list+0x154/0x2a4 [ 59.998798][ T5229] shrink_dcache_tree+0x40c/0x570 [ 59.999837][ T5229] do_one_tree+0x24/0x58 [ 60.000704][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.001834][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.002866][ T5229] kill_block_super+0x44/0x90 [ 60.003831][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.004731][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.005849][ T5229] deactivate_super+0xd8/0xf8 [ 60.006793][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.007693][ T5229] __cleanup_mnt+0x20/0x30 [ 60.008586][ T5229] task_work_run+0x1c4/0x254 [ 60.009494][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.010565][ T5229] el0_svc+0x18c/0x260 [ 60.011389][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.012411][ T5229] el0t_64_sync+0x198/0x19c [ 60.013320][ T5229] irq event stamp: 296762 [ 60.014190][ T5229] hardirqs last enabled at (296761): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 60.016265][ T5229] hardirqs last disabled at (296762): [] el1_brk64+0x20/0x54 [ 60.018112][ T5229] softirqs last enabled at (296754): [] kernel_neon_begin+0x294/0x3fc [ 60.020042][ T5229] softirqs last disabled at (296752): [] kernel_neon_begin+0x11c/0x3fc [ 60.022130][ T5229] ---[ end trace 0000000000000000 ]--- [ 60.028420][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 60.065607][ T5424] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 60.072536][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.072652][ T5229] ------------[ cut here ]------------ [ 60.072659][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 60.077923][ T5229] Modules linked in: [ 60.078709][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.080840][ T5229] Tainted: [W]=WARN [ 60.081597][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.083610][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.085158][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.086445][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.087683][ T5229] sp : ffff800094877060 [ 60.088492][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 60.090109][ T5229] x26: ffff0000e2add650 x25: ffff0000e2add678 x24: ffff800088a09b80 [ 60.091688][ T5229] x23: ffff0000cc1b0000 x22: 000000000000feeb x21: ffff0000cc1b0068 [ 60.093225][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 60.094765][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.096356][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.097993][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 60.099589][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 60.101198][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 60.102812][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 60.104411][ T5229] Call trace: [ 60.105043][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 60.106286][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 60.107299][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 60.108428][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 60.109529][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 60.110610][ T5229] ext4_dirty_inode+0xd4/0x104 [ 60.111543][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 60.112570][ T5229] sync_lazytime+0x1a8/0x68c [ 60.113465][ T5229] iput+0x1cc/0xb90 [ 60.114209][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 60.115213][ T5229] __dentry_kill+0x170/0x5fc [ 60.116104][ T5229] shrink_kill+0xe8/0x318 [ 60.116956][ T5229] shrink_dentry_list+0x154/0x2a4 [ 60.117919][ T5229] shrink_dcache_tree+0x40c/0x570 [ 60.118854][ T5229] do_one_tree+0x24/0x58 [ 60.119624][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.120627][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.121610][ T5229] kill_block_super+0x44/0x90 [ 60.122482][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.123300][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.124295][ T5229] deactivate_super+0xd8/0xf8 [ 60.125166][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.126051][ T5229] __cleanup_mnt+0x20/0x30 [ 60.126900][ T5229] task_work_run+0x1c4/0x254 [ 60.127745][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.128683][ T5229] el0_svc+0x18c/0x260 [ 60.129459][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.130466][ T5229] el0t_64_sync+0x198/0x19c [ 60.131386][ T5229] irq event stamp: 302722 [ 60.132272][ T5229] hardirqs last enabled at (302721): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 60.134313][ T5229] hardirqs last disabled at (302722): [] el1_brk64+0x20/0x54 [ 60.136097][ T5229] softirqs last enabled at (302714): [] kernel_neon_begin+0x294/0x3fc [ 60.138046][ T5229] softirqs last disabled at (302712): [] kernel_neon_begin+0x11c/0x3fc [ 60.140057][ T5229] ---[ end trace 0000000000000000 ]--- [ 60.145940][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 60.177770][ T5428] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 6 ** replaying previous printk message ** [ 60.182179][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.182289][ T5229] ------------[ cut here ]------------ [ 60.182294][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 60.188050][ T5229] Modules linked in: [ 60.188730][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.190809][ T5229] Tainted: [W]=WARN [ 60.191618][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.193650][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.195248][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.196585][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.197917][ T5229] sp : ffff800094877060 [ 60.198737][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 60.200407][ T5229] x26: ffff0000e29430f0 x25: ffff0000e2943118 x24: ffff800088a09b80 [ 60.202083][ T5229] x23: ffff0000d084e000 x22: 000000000000feeb x21: ffff0000d084e068 [ 60.203731][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 60.205371][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.207010][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.208705][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 60.210287][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 60.211886][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 60.213482][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 60.215100][ T5229] Call trace: [ 60.215751][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 60.217035][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 60.218085][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 60.219256][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 60.220387][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 60.221361][ T5229] ext4_dirty_inode+0xd4/0x104 [ 60.222230][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 60.223165][ T5229] sync_lazytime+0x1a8/0x68c [ 60.224016][ T5229] iput+0x1cc/0xb90 [ 60.224703][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 60.225701][ T5229] __dentry_kill+0x170/0x5fc [ 60.226619][ T5229] shrink_kill+0xe8/0x318 [ 60.227454][ T5229] shrink_dentry_list+0x154/0x2a4 [ 60.228423][ T5229] shrink_dcache_tree+0x40c/0x570 [ 60.229374][ T5229] do_one_tree+0x24/0x58 [ 60.230179][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.231282][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.232354][ T5229] kill_block_super+0x44/0x90 [ 60.233268][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.234135][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.235229][ T5229] deactivate_super+0xd8/0xf8 [ 60.236206][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.237093][ T5229] __cleanup_mnt+0x20/0x30 [ 60.237991][ T5229] task_work_run+0x1c4/0x254 [ 60.238890][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.240024][ T5229] el0_svc+0x18c/0x260 [ 60.240833][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.241810][ T5229] el0t_64_sync+0x198/0x19c [ 60.242724][ T5229] irq event stamp: 308368 [ 60.243558][ T5229] hardirqs last enabled at (308367): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 60.245493][ T5229] hardirqs last disabled at (308368): [] el1_brk64+0x20/0x54 [ 60.247187][ T5229] softirqs last enabled at (308360): [] kernel_neon_begin+0x294/0x3fc [ 60.249078][ T5229] softirqs last disabled at (308358): [] kernel_neon_begin+0x11c/0x3fc [ 60.250987][ T5229] ---[ end trace 0000000000000000 ]--- [ 60.257182][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 60.283632][ T5432] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 60.289924][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.290043][ T5229] ------------[ cut here ]------------ [ 60.290051][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 60.294950][ T5229] Modules linked in: [ 60.295705][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.297725][ T5229] Tainted: [W]=WARN [ 60.298389][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.300389][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.301974][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.303310][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.304613][ T5229] sp : ffff800094877060 [ 60.305492][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 60.307102][ T5229] x26: ffff0000f07594e8 x25: ffff0000f0759510 x24: ffff800088a09b80 [ 60.308719][ T5229] x23: ffff0000c6682000 x22: 000000000000feeb x21: ffff0000c6682068 [ 60.310295][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 60.311909][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.313577][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.315231][ T5229] x11: 000000000000110f x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 60.316871][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 60.318526][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 60.320223][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 60.321913][ T5229] Call trace: [ 60.322603][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 60.324030][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 60.325131][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 60.326344][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 60.327483][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 60.328610][ T5229] ext4_dirty_inode+0xd4/0x104 [ 60.329645][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 60.330694][ T5229] sync_lazytime+0x1a8/0x68c [ 60.331672][ T5229] iput+0x1cc/0xb90 [ 60.332482][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 60.333566][ T5229] __dentry_kill+0x170/0x5fc [ 60.334517][ T5229] shrink_kill+0xe8/0x318 [ 60.335418][ T5229] shrink_dentry_list+0x154/0x2a4 [ 60.336432][ T5229] shrink_dcache_tree+0x40c/0x570 [ 60.337435][ T5229] do_one_tree+0x24/0x58 [ 60.338286][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.339400][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.340486][ T5229] kill_block_super+0x44/0x90 [ 60.341430][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.342328][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.343374][ T5229] deactivate_super+0xd8/0xf8 [ 60.344315][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.345199][ T5229] __cleanup_mnt+0x20/0x30 [ 60.346081][ T5229] task_work_run+0x1c4/0x254 [ 60.346944][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.348040][ T5229] el0_svc+0x18c/0x260 [ 60.348844][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.349872][ T5229] el0t_64_sync+0x198/0x19c [ 60.350756][ T5229] irq event stamp: 313772 [ 60.351622][ T5229] hardirqs last enabled at (313771): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 60.353757][ T5229] hardirqs last disabled at (313772): [] el1_brk64+0x20/0x54 [ 60.355608][ T5229] softirqs last enabled at (313764): [] kernel_neon_begin+0x294/0x3fc [ 60.357604][ T5229] softirqs last disabled at (313762): [] kernel_neon_begin+0x11c/0x3fc [ 60.359587][ T5229] ---[ end trace 0000000000000000 ]--- [ 60.364842][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 60.394259][ T5436] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 6 ** replaying previous printk message ** [ 60.402665][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.402778][ T5229] ------------[ cut here ]------------ [ 60.402782][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 60.408421][ T5229] Modules linked in: [ 60.409129][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.411180][ T5229] Tainted: [W]=WARN [ 60.411898][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.413805][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.415291][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.416455][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.417615][ T5229] sp : ffff800094877060 [ 60.418362][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 60.419863][ T5229] x26: ffff0000e2940b90 x25: ffff0000e2940bb8 x24: ffff800088a09b80 [ 60.421372][ T5229] x23: ffff0000c66a6000 x22: 000000000000feeb x21: ffff0000c66a6068 [ 60.422914][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 60.424414][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.425995][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.427574][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 60.429161][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 60.430730][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 60.432302][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 60.433873][ T5229] Call trace: [ 60.434498][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 60.435801][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 60.436893][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 60.438054][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 60.439175][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 60.440295][ T5229] ext4_dirty_inode+0xd4/0x104 [ 60.441277][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 60.442268][ T5229] sync_lazytime+0x1a8/0x68c [ 60.443202][ T5229] iput+0x1cc/0xb90 [ 60.443986][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 60.445012][ T5229] __dentry_kill+0x170/0x5fc [ 60.445881][ T5229] shrink_kill+0xe8/0x318 [ 60.446777][ T5229] shrink_dentry_list+0x154/0x2a4 [ 60.447827][ T5229] shrink_dcache_tree+0x40c/0x570 [ 60.448916][ T5229] do_one_tree+0x24/0x58 [ 60.449772][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.450858][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.451906][ T5229] kill_block_super+0x44/0x90 [ 60.452879][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.453799][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.454875][ T5229] deactivate_super+0xd8/0xf8 [ 60.455779][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.456627][ T5229] __cleanup_mnt+0x20/0x30 [ 60.457553][ T5229] task_work_run+0x1c4/0x254 [ 60.458467][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.459615][ T5229] el0_svc+0x18c/0x260 [ 60.460475][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.461527][ T5229] el0t_64_sync+0x198/0x19c [ 60.462457][ T5229] irq event stamp: 319378 [ 60.463367][ T5229] hardirqs last enabled at (319377): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 60.465534][ T5229] hardirqs last disabled at (319378): [] el1_brk64+0x20/0x54 [ 60.467320][ T5229] softirqs last enabled at (319370): [] kernel_neon_begin+0x294/0x3fc [ 60.469238][ T5229] softirqs last disabled at (319368): [] kernel_neon_begin+0x11c/0x3fc [ 60.471211][ T5229] ---[ end trace 0000000000000000 ]--- [ 60.475105][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 60.520344][ T5440] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 60.524234][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.524352][ T5229] ------------[ cut here ]------------ [ 60.524358][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 60.529348][ T5229] Modules linked in: [ 60.530135][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.532238][ T5229] Tainted: [W]=WARN [ 60.532975][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.534924][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.536431][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.537712][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.538962][ T5229] sp : ffff800094877060 [ 60.539783][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 60.541347][ T5229] x26: ffff0000e2946900 x25: ffff0000e2946928 x24: ffff800088a09b80 [ 60.542955][ T5229] x23: ffff0000cbd60000 x22: 000000000000feeb x21: ffff0000cbd60068 [ 60.544539][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 60.546045][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.547557][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.549116][ T5229] x11: 00000000000011c2 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 60.550688][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 60.552222][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 60.553840][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 60.555360][ T5229] Call trace: [ 60.555974][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 60.557221][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 60.558274][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 60.559413][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 60.560526][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 60.561613][ T5229] ext4_dirty_inode+0xd4/0x104 [ 60.562546][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 60.563548][ T5229] sync_lazytime+0x1a8/0x68c [ 60.564459][ T5229] iput+0x1cc/0xb90 [ 60.565200][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 60.566211][ T5229] __dentry_kill+0x170/0x5fc [ 60.567120][ T5229] shrink_kill+0xe8/0x318 [ 60.567941][ T5229] shrink_dentry_list+0x154/0x2a4 [ 60.568906][ T5229] shrink_dcache_tree+0x40c/0x570 [ 60.569842][ T5229] do_one_tree+0x24/0x58 [ 60.570559][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.571586][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.572609][ T5229] kill_block_super+0x44/0x90 [ 60.573555][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.574444][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.575518][ T5229] deactivate_super+0xd8/0xf8 [ 60.576445][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.577322][ T5229] __cleanup_mnt+0x20/0x30 [ 60.578211][ T5229] task_work_run+0x1c4/0x254 [ 60.579150][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.580250][ T5229] el0_svc+0x18c/0x260 [ 60.581083][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.582066][ T5229] el0t_64_sync+0x198/0x19c [ 60.582926][ T5229] irq event stamp: 325088 [ 60.583707][ T5229] hardirqs last enabled at (325087): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 60.585614][ T5229] hardirqs last disabled at (325088): [] el1_brk64+0x20/0x54 [ 60.587424][ T5229] softirqs last enabled at (325080): [] kernel_neon_begin+0x294/0x3fc [ 60.589437][ T5229] softirqs last disabled at (325078): [] kernel_neon_begin+0x11c/0x3fc [ 60.591471][ T5229] ---[ end trace 0000000000000000 ]--- [ 60.596301][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 60.637290][ T5444] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 60.645462][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.647865][ T5229] ------------[ cut here ]------------ [ 60.647876][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 60.651071][ T5229] Modules linked in: [ 60.651848][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.653917][ T5229] Tainted: [W]=WARN [ 60.654662][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.656608][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.658086][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.659310][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.660594][ T5229] sp : ffff800094877060 [ 60.661371][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 60.662958][ T5229] x26: ffff0000f0755fa8 x25: ffff0000f0755fd0 x24: ffff800088a09b80 [ 60.664446][ T5229] x23: ffff0000c6bd8000 x22: 000000000000feeb x21: ffff0000c6bd8068 [ 60.665981][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 60.667442][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 60.668930][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 60.670494][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 60.672115][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 60.673691][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 60.675247][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 60.676812][ T5229] Call trace: [ 60.677450][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 60.678740][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 60.679784][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 60.680936][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 60.682100][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 60.683199][ T5229] ext4_dirty_inode+0xd4/0x104 [ 60.684151][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 60.685193][ T5229] sync_lazytime+0x1a8/0x68c [ 60.686099][ T5229] iput+0x1cc/0xb90 [ 60.686850][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 60.687828][ T5229] __dentry_kill+0x170/0x5fc [ 60.688727][ T5229] shrink_kill+0xe8/0x318 [ 60.689554][ T5229] shrink_dentry_list+0x154/0x2a4 [ 60.690612][ T5229] shrink_dcache_tree+0x40c/0x570 [ 60.691570][ T5229] do_one_tree+0x24/0x58 [ 60.692405][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.693471][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.694503][ T5229] kill_block_super+0x44/0x90 [ 60.695420][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.696275][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.697325][ T5229] deactivate_super+0xd8/0xf8 [ 60.698236][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.699053][ T5229] __cleanup_mnt+0x20/0x30 [ 60.699877][ T5229] task_work_run+0x1c4/0x254 [ 60.700757][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.701756][ T5229] el0_svc+0x18c/0x260 [ 60.702543][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.703501][ T5229] el0t_64_sync+0x198/0x19c [ 60.704309][ T5229] irq event stamp: 330222 [ 60.705135][ T5229] hardirqs last enabled at (330221): [] finish_task_switch+0x22c/0x768 [ 60.707012][ T5229] hardirqs last disabled at (330222): [] el1_brk64+0x20/0x54 [ 60.708730][ T5229] softirqs last enabled at (330212): [] kernel_neon_begin+0x294/0x3fc [ 60.710633][ T5229] softirqs last disabled at (330210): [] kernel_neon_begin+0x11c/0x3fc [ 60.712518][ T5229] ---[ end trace 0000000000000000 ]--- [ 60.718408][ T5229] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ ** replaying previous printk message ** [ 60.751756][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.751877][ T5229] ------------[ cut here ]------------ [ 60.751881][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 60.757691][ T5229] Modules linked in: [ 60.758397][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.760461][ T5229] Tainted: [W]=WARN [ 60.761226][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.763274][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.764807][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.766074][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.767345][ T5229] sp : ffff800094877060 [ 60.768144][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 60.769715][ T5229] x26: ffff0000e2949e40 x25: ffff0000e2949e68 x24: ffff800088a09b80 [ 60.771314][ T5229] x23: ffff0000c9c2c000 x22: 000000000000feeb x21: ffff0000c9c2c068 [ 60.772859][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 60.774455][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.776073][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.777658][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 60.779190][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 60.780706][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 60.782245][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 60.783780][ T5229] Call trace: [ 60.784425][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 60.785665][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 60.786747][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 60.787931][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 60.789033][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 60.790143][ T5229] ext4_dirty_inode+0xd4/0x104 [ 60.791129][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 60.792142][ T5229] sync_lazytime+0x1a8/0x68c [ 60.793002][ T5229] iput+0x1cc/0xb90 [ 60.793757][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 60.794752][ T5229] __dentry_kill+0x170/0x5fc [ 60.795657][ T5229] shrink_kill+0xe8/0x318 [ 60.796502][ T5229] shrink_dentry_list+0x154/0x2a4 [ 60.797487][ T5229] shrink_dcache_tree+0x40c/0x570 [ 60.798451][ T5229] do_one_tree+0x24/0x58 [ 60.799272][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.800340][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.801345][ T5229] kill_block_super+0x44/0x90 [ 60.802190][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.802989][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.804026][ T5229] deactivate_super+0xd8/0xf8 [ 60.804929][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.805797][ T5229] __cleanup_mnt+0x20/0x30 [ 60.806655][ T5229] task_work_run+0x1c4/0x254 [ 60.807551][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.808590][ T5229] el0_svc+0x18c/0x260 [ 60.809403][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.810391][ T5229] el0t_64_sync+0x198/0x19c [ 60.811239][ T5229] irq event stamp: 335678 [ 60.812068][ T5229] hardirqs last enabled at (335677): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 60.814069][ T5229] hardirqs last disabled at (335678): [] el1_brk64+0x20/0x54 [ 60.815703][ T5229] softirqs last enabled at (335670): [] kernel_neon_begin+0x294/0x3fc [ 60.817605][ T5229] softirqs last disabled at (335668): [] kernel_neon_begin+0x11c/0x3fc [ 60.819537][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 60.877278][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.877391][ T5229] ------------[ cut here ]------------ [ 60.877396][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 60.883412][ T5229] Modules linked in: [ 60.884160][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.886194][ T5229] Tainted: [W]=WARN [ 60.886917][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.888834][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.890337][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.891563][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.892835][ T5229] sp : ffff800094877060 [ 60.893583][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 60.895094][ T5229] x26: ffff0000e2948238 x25: ffff0000e2948260 x24: ffff800088a09b80 [ 60.896585][ T5229] x23: ffff0000d5f68000 x22: 000000000000feeb x21: ffff0000d5f68068 [ 60.898098][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 60.899723][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.901264][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.902844][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 60.904326][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 60.905802][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 60.907427][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 60.909038][ T5229] Call trace: [ 60.909679][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 60.910948][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 60.911963][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 60.913146][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 60.914281][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 60.915318][ T5229] ext4_dirty_inode+0xd4/0x104 [ 60.916239][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 60.917189][ T5229] sync_lazytime+0x1a8/0x68c [ 60.918030][ T5229] iput+0x1cc/0xb90 [ 60.918733][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 60.919680][ T5229] __dentry_kill+0x170/0x5fc [ 60.920515][ T5229] shrink_kill+0xe8/0x318 [ 60.921296][ T5229] shrink_dentry_list+0x154/0x2a4 [ 60.922212][ T5229] shrink_dcache_tree+0x40c/0x570 [ 60.923126][ T5229] do_one_tree+0x24/0x58 [ 60.923974][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 60.924994][ T5229] generic_shutdown_super+0x70/0x2b8 [ 60.926043][ T5229] kill_block_super+0x44/0x90 [ 60.926939][ T5229] ext4_kill_sb+0x68/0xa4 [ 60.927801][ T5229] deactivate_locked_super+0xc4/0x140 [ 60.928840][ T5229] deactivate_super+0xd8/0xf8 [ 60.929709][ T5229] cleanup_mnt+0x328/0x3b8 [ 60.930584][ T5229] __cleanup_mnt+0x20/0x30 [ 60.931401][ T5229] task_work_run+0x1c4/0x254 [ 60.932341][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 60.933431][ T5229] el0_svc+0x18c/0x260 [ 60.934219][ T5229] el0t_64_sync_handler+0x48/0x148 [ 60.935218][ T5229] el0t_64_sync+0x198/0x19c [ 60.936086][ T5229] irq event stamp: 341804 [ 60.936914][ T5229] hardirqs last enabled at (341803): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 60.938893][ T5229] hardirqs last disabled at (341804): [] el1_brk64+0x20/0x54 [ 60.940625][ T5229] softirqs last enabled at (341796): [] kernel_neon_begin+0x294/0x3fc [ 60.942539][ T5229] softirqs last disabled at (341794): [] kernel_neon_begin+0x11c/0x3fc [ 60.944472][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 60.984147][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.984264][ T5229] ------------[ cut here ]------------ [ 60.984269][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 60.990008][ T5229] Modules linked in: [ 60.990747][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.992735][ T5229] Tainted: [W]=WARN [ 60.993449][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.995405][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.996936][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 60.998184][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 60.999457][ T5229] sp : ffff800094877060 [ 61.000267][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.001896][ T5229] x26: ffff0000e2943a48 x25: ffff0000e2943a70 x24: ffff800088a09b80 [ 61.003479][ T5229] x23: ffff0000d907a000 x22: 000000000000feeb x21: ffff0000d907a068 [ 61.005106][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 61.006739][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 61.008336][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 61.009946][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.011543][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 61.013176][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 61.014721][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.016351][ T5229] Call trace: [ 61.017021][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.018346][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.019412][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.020581][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.021723][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.022820][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.023778][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.024823][ T5229] sync_lazytime+0x1a8/0x68c [ 61.025752][ T5229] iput+0x1cc/0xb90 [ 61.026507][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.027505][ T5229] __dentry_kill+0x170/0x5fc [ 61.028417][ T5229] shrink_kill+0xe8/0x318 [ 61.029236][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.030188][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.031238][ T5229] do_one_tree+0x24/0x58 [ 61.032076][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.033144][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.034187][ T5229] kill_block_super+0x44/0x90 [ 61.035109][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.035946][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.037041][ T5229] deactivate_super+0xd8/0xf8 [ 61.037914][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.038750][ T5229] __cleanup_mnt+0x20/0x30 [ 61.039616][ T5229] task_work_run+0x1c4/0x254 [ 61.040528][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.041598][ T5229] el0_svc+0x18c/0x260 [ 61.042384][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.043410][ T5229] el0t_64_sync+0x198/0x19c [ 61.044324][ T5229] irq event stamp: 348248 [ 61.045166][ T5229] hardirqs last enabled at (348247): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 61.047194][ T5229] hardirqs last disabled at (348248): [] el1_brk64+0x20/0x54 [ 61.048914][ T5229] softirqs last enabled at (348240): [] kernel_neon_begin+0x294/0x3fc [ 61.050824][ T5229] softirqs last disabled at (348238): [] kernel_neon_begin+0x11c/0x3fc [ 61.052695][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 61.097771][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 61.097881][ T5229] ------------[ cut here ]------------ [ 61.097886][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 61.103919][ T5229] Modules linked in: [ 61.104669][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 61.106598][ T5229] Tainted: [W]=WARN [ 61.107328][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.109330][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 61.110852][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 61.112128][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 61.113367][ T5229] sp : ffff800094877060 [ 61.114155][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.115685][ T5229] x26: ffff0000f075d650 x25: ffff0000f075d678 x24: ffff800088a09b80 [ 61.117283][ T5229] x23: ffff0000d1c52000 x22: 000000000000feeb x21: ffff0000d1c52068 [ 61.118836][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 61.120416][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 61.121965][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 61.123530][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.125065][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 61.126652][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 61.128213][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.129788][ T5229] Call trace: [ 61.130408][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.131695][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.132782][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.133920][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.135029][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.136133][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.137149][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.138130][ T5229] sync_lazytime+0x1a8/0x68c [ 61.139049][ T5229] iput+0x1cc/0xb90 [ 61.139801][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.140795][ T5229] __dentry_kill+0x170/0x5fc [ 61.141698][ T5229] shrink_kill+0xe8/0x318 [ 61.142562][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.143571][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.144590][ T5229] do_one_tree+0x24/0x58 [ 61.145431][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.146529][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.147549][ T5229] kill_block_super+0x44/0x90 [ 61.148449][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.149283][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.150296][ T5229] deactivate_super+0xd8/0xf8 [ 61.151199][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.152058][ T5229] __cleanup_mnt+0x20/0x30 [ 61.152868][ T5229] task_work_run+0x1c4/0x254 [ 61.153771][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.154862][ T5229] el0_svc+0x18c/0x260 [ 61.155619][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.156578][ T5229] el0t_64_sync+0x198/0x19c [ 61.157467][ T5229] irq event stamp: 354420 [ 61.158334][ T5229] hardirqs last enabled at (354419): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 61.160370][ T5229] hardirqs last disabled at (354420): [] el1_brk64+0x20/0x54 [ 61.162145][ T5229] softirqs last enabled at (354412): [] kernel_neon_begin+0x294/0x3fc [ 61.163973][ T5229] softirqs last disabled at (354410): [] kernel_neon_begin+0x11c/0x3fc [ 61.165851][ T5229] ---[ end trace 0000000000000000 ]--- [ 61.222138][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 61.222247][ T5229] ------------[ cut here ]------------ [ 61.222253][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 61.227265][ T5229] Modules linked in: [ 61.228008][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 61.230109][ T5229] Tainted: [W]=WARN [ 61.230830][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.232752][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 61.234281][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 61.235556][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 61.236789][ T5229] sp : ffff800094877060 [ 61.237621][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.239233][ T5229] x26: ffff0000f075b0f0 x25: ffff0000f075b118 x24: ffff800088a09b80 [ 61.240772][ T5229] x23: ffff0000c98bc000 x22: 000000000000feeb x21: ffff0000c98bc068 [ 61.242318][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 61.243893][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 61.245474][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 61.247079][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.248666][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 61.250306][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 61.251938][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.253565][ T5229] Call trace: [ 61.254206][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.255497][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.256534][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.257700][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.258805][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.259865][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.260838][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.261884][ T5229] sync_lazytime+0x1a8/0x68c [ 61.262795][ T5229] iput+0x1cc/0xb90 [ 61.263569][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.264602][ T5229] __dentry_kill+0x170/0x5fc [ 61.265526][ T5229] shrink_kill+0xe8/0x318 [ 61.266398][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.267396][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.268430][ T5229] do_one_tree+0x24/0x58 [ 61.269307][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.270395][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.271405][ T5229] kill_block_super+0x44/0x90 [ 61.272333][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.273185][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.274250][ T5229] deactivate_super+0xd8/0xf8 [ 61.275163][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.276038][ T5229] __cleanup_mnt+0x20/0x30 [ 61.276914][ T5229] task_work_run+0x1c4/0x254 [ 61.277800][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.278829][ T5229] el0_svc+0x18c/0x260 [ 61.279595][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.280607][ T5229] el0t_64_sync+0x198/0x19c [ 61.281501][ T5229] irq event stamp: 360154 [ 61.282341][ T5229] hardirqs last enabled at (360153): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 61.284311][ T5229] hardirqs last disabled at (360154): [] el1_brk64+0x20/0x54 [ 61.286018][ T5229] softirqs last enabled at (360146): [] kernel_neon_begin+0x294/0x3fc [ 61.287859][ T5229] softirqs last disabled at (360144): [] kernel_neon_begin+0x11c/0x3fc [ 61.289745][ T5229] ---[ end trace 0000000000000000 ]--- [ 61.292058][ T50] Bluetooth: hci0: command tx timeout [ 61.346025][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 61.348654][ T5229] ------------[ cut here ]------------ [ 61.348662][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 61.351845][ T5229] Modules linked in: [ 61.352637][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 61.354648][ T5229] Tainted: [W]=WARN [ 61.355409][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.357398][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 61.358945][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 61.360205][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 61.361511][ T5229] sp : ffff800094877060 [ 61.362356][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.364016][ T5229] x26: ffff0000e294f258 x25: ffff0000e294f280 x24: ffff800088a09b80 [ 61.365693][ T5229] x23: ffff0000cc156000 x22: 000000000000feeb x21: ffff0000cc156068 [ 61.367375][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 61.369003][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 61.370612][ T5229] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 61.372193][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.373819][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 61.375433][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 61.377021][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.378696][ T5229] Call trace: [ 61.379369][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.380707][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.381762][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.382985][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.384171][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.385277][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.386229][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.387277][ T5229] sync_lazytime+0x1a8/0x68c [ 61.388229][ T5229] iput+0x1cc/0xb90 [ 61.389022][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.390059][ T5229] __dentry_kill+0x170/0x5fc [ 61.391038][ T5229] shrink_kill+0xe8/0x318 [ 61.391922][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.392940][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.393963][ T5229] do_one_tree+0x24/0x58 [ 61.394807][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.395891][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.396944][ T5229] kill_block_super+0x44/0x90 [ 61.397920][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.398801][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.399893][ T5229] deactivate_super+0xd8/0xf8 [ 61.400820][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.401685][ T5229] __cleanup_mnt+0x20/0x30 [ 61.402548][ T5229] task_work_run+0x1c4/0x254 [ 61.403465][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.404532][ T5229] el0_svc+0x18c/0x260 [ 61.405355][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.406390][ T5229] el0t_64_sync+0x198/0x19c [ 61.407244][ T5229] irq event stamp: 365886 [ 61.408058][ T5229] hardirqs last enabled at (365885): [] finish_task_switch+0x22c/0x768 [ 61.409989][ T5229] hardirqs last disabled at (365886): [] el1_brk64+0x20/0x54 [ 61.411745][ T5229] softirqs last enabled at (365876): [] kernel_neon_begin+0x294/0x3fc [ 61.413670][ T5229] softirqs last disabled at (365874): [] kernel_neon_begin+0x11c/0x3fc [ 61.415560][ T5229] ---[ end trace 0000000000000000 ]--- [ 61.448493][ T5229] EXT4-fs warning (device loop0): e ** replaying previous printk message ** [ 61.448493][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 61.449549][ T5229] ------------[ cut here ]------------ [ 61.449556][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 61.454871][ T5229] Modules linked in: [ 61.455543][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 61.457378][ T5229] Tainted: [W]=WARN [ 61.458063][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.459953][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 61.461439][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 61.462730][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 61.463981][ T5229] sp : ffff800094877060 [ 61.464765][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.466338][ T5229] x26: ffff0000f0766900 x25: ffff0000f0766928 x24: ffff800088a09b80 [ 61.467944][ T5229] x23: ffff0000dd24c000 x22: 000000000000feeb x21: ffff0000dd24c068 [ 61.469553][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 00000000ffffffff [ 61.471160][ T5229] x17: ffff80008a17ec80 x16: ffff80008a4b80f8 x15: ffff800080ceb8b0 [ 61.472671][ T5229] x14: ffff800080c62790 x13: 0000000000000001 x12: 0000000000000000 [ 61.474184][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.475695][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : ffff800080ceb578 [ 61.477239][ T5229] x5 : ffff0000cc8f2610 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 61.478684][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.480184][ T5229] Call trace: [ 61.480792][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.482064][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.483095][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.484275][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.485411][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.486500][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.487432][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.488425][ T5229] sync_lazytime+0x1a8/0x68c [ 61.489321][ T5229] iput+0x1cc/0xb90 [ 61.490048][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.491060][ T5229] __dentry_kill+0x170/0x5fc [ 61.491944][ T5229] shrink_kill+0xe8/0x318 [ 61.492807][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.493794][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.494791][ T5229] do_one_tree+0x24/0x58 [ 61.495626][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.496658][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.497647][ T5229] kill_block_super+0x44/0x90 [ 61.498575][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.499449][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.500569][ T5229] deactivate_super+0xd8/0xf8 [ 61.501521][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.502407][ T5229] __cleanup_mnt+0x20/0x30 [ 61.503273][ T5229] task_work_run+0x1c4/0x254 [ 61.504176][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.505207][ T5229] el0_svc+0x18c/0x260 [ 61.506034][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.507040][ T5229] el0t_64_sync+0x198/0x19c [ 61.507918][ T5229] irq event stamp: 370788 [ 61.508776][ T5229] hardirqs last enabled at (370787): [] kasan_quarantine_put+0xb4/0x1c4 [ 61.510774][ T5229] hardirqs last disabled at (370788): [] el1_brk64+0x20/0x54 [ 61.512573][ T5229] softirqs last enabled at (370728): [] kernel_neon_begin+0x294/0x3fc [ 61.514502][ T5229] softirqs last disabled at (370726): [] kernel_neon_begin+0x11c/0x3fc [ 61.516460][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 61.564567][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 61.564675][ T5229] ------------[ cut here ]------------ [ 61.564679][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 61.570775][ T5229] Modules linked in: [ 61.571578][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 61.573628][ T5229] Tainted: [W]=WARN [ 61.574388][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.576338][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 61.577850][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 61.579106][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 61.580380][ T5229] sp : ffff800094877060 [ 61.581157][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.582738][ T5229] x26: ffff0000e294ccf8 x25: ffff0000e294cd20 x24: ffff800088a09b80 [ 61.584364][ T5229] x23: ffff0000cd8b8000 x22: 000000000000feeb x21: ffff0000cd8b8068 [ 61.585928][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 61.587520][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 61.589059][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 61.590645][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.592160][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 61.593758][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 61.595343][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.596894][ T5229] Call trace: [ 61.597546][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.598840][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.599896][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.601053][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.602168][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.603228][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.604139][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.605119][ T5229] sync_lazytime+0x1a8/0x68c [ 61.606018][ T5229] iput+0x1cc/0xb90 [ 61.606786][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.607822][ T5229] __dentry_kill+0x170/0x5fc [ 61.608747][ T5229] shrink_kill+0xe8/0x318 [ 61.609579][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.610567][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.611559][ T5229] do_one_tree+0x24/0x58 [ 61.612423][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.613526][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.614572][ T5229] kill_block_super+0x44/0x90 [ 61.615507][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.616380][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.617469][ T5229] deactivate_super+0xd8/0xf8 [ 61.618368][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.619211][ T5229] __cleanup_mnt+0x20/0x30 [ 61.620091][ T5229] task_work_run+0x1c4/0x254 [ 61.621024][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.622094][ T5229] el0_svc+0x18c/0x260 [ 61.622898][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.623917][ T5229] el0t_64_sync+0x198/0x19c [ 61.624818][ T5229] irq event stamp: 375862 [ 61.625690][ T5229] hardirqs last enabled at (375861): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 61.627663][ T5229] hardirqs last disabled at (375862): [] el1_brk64+0x20/0x54 [ 61.629364][ T5229] softirqs last enabled at (375854): [] kernel_neon_begin+0x294/0x3fc [ 61.631346][ T5229] softirqs last disabled at (375852): [] kernel_neon_begin+0x11c/0x3fc [ 61.633331][ T5229] ---[ end trace 0000000000000000 ]--- [ 61.664573][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 61.666905][ T5229] ------------[ cut here ]------------ [ 61.666915][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 61.669872][ T5229] Modules linked in: [ 61.670681][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 61.672831][ T5229] Tainted: [W]=WARN [ 61.673585][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.675625][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 61.677280][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 61.678632][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 61.679951][ T5229] sp : ffff800094877060 [ 61.680769][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.682341][ T5229] x26: ffff0000f07643a0 x25: ffff0000f07643c8 x24: ffff800088a09b80 [ 61.683865][ T5229] x23: ffff0000caa30000 x22: 000000000000feeb x21: ffff0000caa30068 [ 61.685432][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 61.687002][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 61.688552][ T5229] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 61.690154][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.691839][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 61.693539][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 61.695205][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.696823][ T5229] Call trace: [ 61.697485][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.698794][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.699876][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.701100][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.702274][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.703413][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.704415][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.705512][ T5229] sync_lazytime+0x1a8/0x68c [ 61.706420][ T5229] iput+0x1cc/0xb90 [ 61.707177][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.708205][ T5229] __dentry_kill+0x170/0x5fc [ 61.709152][ T5229] shrink_kill+0xe8/0x318 [ 61.710068][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.711082][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.712100][ T5229] do_one_tree+0x24/0x58 [ 61.712959][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.714041][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.715084][ T5229] kill_block_super+0x44/0x90 [ 61.715995][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.716865][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.717917][ T5229] deactivate_super+0xd8/0xf8 [ 61.718822][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.719682][ T5229] __cleanup_mnt+0x20/0x30 [ 61.720552][ T5229] task_work_run+0x1c4/0x254 [ 61.721454][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.722489][ T5229] el0_svc+0x18c/0x260 [ 61.723314][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.724406][ T5229] el0t_64_sync+0x198/0x19c [ 61.725368][ T5229] irq event stamp: 381624 [ 61.726295][ T5229] hardirqs last enabled at (381623): [] finish_task_switch+0x22c/0x768 [ 61.728284][ T5229] hardirqs last disabled at (381624): [] el1_brk64+0x20/0x54 [ 61.730103][ T5229] softirqs last enabled at (381614): [] kernel_neon_begin+0x294/0x3fc [ 61.732101][ T5229] softirqs last disabled at (381612): [] kernel_neon_begin+0x11c/0x3fc [ 61.734092][ T5229] ---[ end trace 0000000000000000 ]--- [ 61.774933][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 61.777272][ T5229] ------------[ cut here ]------------ [ 61.777281][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 61.780377][ T5229] Modules linked in: [ 61.781134][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 61.783159][ T5229] Tainted: [W]=WARN [ 61.783883][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.785790][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 61.787395][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 61.788716][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 61.790070][ T5229] sp : ffff800094877060 [ 61.790980][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.792635][ T5229] x26: ffff0000e294a798 x25: ffff0000e294a7c0 x24: ffff800088a09b80 [ 61.794228][ T5229] x23: ffff0000d4070000 x22: 000000000000feeb x21: ffff0000d4070068 [ 61.795851][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 61.797464][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 61.799115][ T5229] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 61.800723][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.802366][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 61.804006][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 61.805603][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.807174][ T5229] Call trace: [ 61.807824][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.809137][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.810187][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.811351][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.812457][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.813553][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.814509][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.815524][ T5229] sync_lazytime+0x1a8/0x68c [ 61.816432][ T5229] iput+0x1cc/0xb90 [ 61.817203][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.818233][ T5229] __dentry_kill+0x170/0x5fc [ 61.819172][ T5229] shrink_kill+0xe8/0x318 [ 61.820048][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.821065][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.822125][ T5229] do_one_tree+0x24/0x58 [ 61.823007][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.824110][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.825184][ T5229] kill_block_super+0x44/0x90 [ 61.826097][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.826946][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.827979][ T5229] deactivate_super+0xd8/0xf8 [ 61.828837][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.829654][ T5229] __cleanup_mnt+0x20/0x30 [ 61.830488][ T5229] task_work_run+0x1c4/0x254 [ 61.831398][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.832474][ T5229] el0_svc+0x18c/0x260 [ 61.833278][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.834306][ T5229] el0t_64_sync+0x198/0x19c [ 61.835167][ T5229] irq event stamp: 388336 [ 61.836009][ T5229] hardirqs last enabled at (388335): [] finish_task_switch+0x22c/0x768 [ 61.838000][ T5229] hardirqs last disabled at (388336): [] el1_brk64+0x20/0x54 [ 61.839784][ T5229] softirqs last enabled at (388326): [] kernel_neon_begin+0x294/0x3fc [ 61.841757][ T5229] softirqs last disabled at (388324): [] kernel_neon_begin+0x11c/0x3fc [ 61.843662][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 61.883795][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 61.883904][ T5229] ------------[ cut here ]------------ [ 61.883909][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 61.889513][ T5229] Modules linked in: [ 61.890233][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 61.892285][ T5229] Tainted: [W]=WARN [ 61.893047][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.895032][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 61.896558][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 61.897818][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 61.899108][ T5229] sp : ffff800094877060 [ 61.899962][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 61.901583][ T5229] x26: ffff0000dc905fa8 x25: ffff0000dc905fd0 x24: ffff800088a09b80 [ 61.903219][ T5229] x23: ffff0000d3f92000 x22: 000000000000feeb x21: ffff0000d3f92068 [ 61.904839][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 61.906347][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 61.907848][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 61.909353][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 61.910955][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 61.912549][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 61.914119][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 61.915652][ T5229] Call trace: [ 61.916281][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 61.917546][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 61.918625][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 61.919820][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 61.920985][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 61.922080][ T5229] ext4_dirty_inode+0xd4/0x104 [ 61.923030][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 61.924021][ T5229] sync_lazytime+0x1a8/0x68c [ 61.924912][ T5229] iput+0x1cc/0xb90 [ 61.925647][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 61.926631][ T5229] __dentry_kill+0x170/0x5fc [ 61.927538][ T5229] shrink_kill+0xe8/0x318 [ 61.928409][ T5229] shrink_dentry_list+0x154/0x2a4 [ 61.929394][ T5229] shrink_dcache_tree+0x40c/0x570 [ 61.930365][ T5229] do_one_tree+0x24/0x58 [ 61.931173][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 61.932243][ T5229] generic_shutdown_super+0x70/0x2b8 [ 61.933291][ T5229] kill_block_super+0x44/0x90 [ 61.934210][ T5229] ext4_kill_sb+0x68/0xa4 [ 61.935044][ T5229] deactivate_locked_super+0xc4/0x140 [ 61.936095][ T5229] deactivate_super+0xd8/0xf8 [ 61.937061][ T5229] cleanup_mnt+0x328/0x3b8 [ 61.937951][ T5229] __cleanup_mnt+0x20/0x30 [ 61.938842][ T5229] task_work_run+0x1c4/0x254 [ 61.939778][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 61.940880][ T5229] el0_svc+0x18c/0x260 [ 61.941694][ T5229] el0t_64_sync_handler+0x48/0x148 [ 61.942695][ T5229] el0t_64_sync+0x198/0x19c [ 61.943608][ T5229] irq event stamp: 394178 [ 61.944444][ T5229] hardirqs last enabled at (394177): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 61.946478][ T5229] hardirqs last disabled at (394178): [] el1_brk64+0x20/0x54 [ 61.948242][ T5229] softirqs last enabled at (394170): [] kernel_neon_begin+0x294/0x3fc [ 61.950073][ T5229] softirqs last disabled at (394168): [] kernel_neon_begin+0x11c/0x3fc [ 61.951923][ T5229] ---[ end trace 0000000000000000 ]--- [ 61.998455][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.001130][ T5229] ------------[ cut here ]------------ [ 62.001138][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 62.004156][ T5229] Modules linked in: [ 62.004930][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.006829][ T5229] Tainted: [W]=WARN [ 62.007592][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.009460][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.011035][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.012385][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.013594][ T5229] sp : ffff800094877060 [ 62.014404][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.016075][ T5229] x26: ffff0000f0761e40 x25: ffff0000f0761e68 x24: ffff800088a09b80 [ 62.017756][ T5229] x23: ffff0000d06dc000 x22: 000000000000feeb x21: ffff0000d06dc068 [ 62.019419][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 62.021080][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 62.022741][ T5229] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 62.024346][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.025961][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 62.027579][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 62.029173][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.030775][ T5229] Call trace: [ 62.031426][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.032796][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.033888][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.035094][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.036256][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.037404][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.038324][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.039398][ T5229] sync_lazytime+0x1a8/0x68c [ 62.040347][ T5229] iput+0x1cc/0xb90 [ 62.041119][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.042104][ T5229] __dentry_kill+0x170/0x5fc [ 62.043007][ T5229] shrink_kill+0xe8/0x318 [ 62.043932][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.044902][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.045914][ T5229] do_one_tree+0x24/0x58 [ 62.046748][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.047810][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.048841][ T5229] kill_block_super+0x44/0x90 [ 62.049748][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.050611][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.051677][ T5229] deactivate_super+0xd8/0xf8 [ 62.052615][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.053485][ T5229] __cleanup_mnt+0x20/0x30 [ 62.054365][ T5229] task_work_run+0x1c4/0x254 [ 62.055240][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.056227][ T5229] el0_svc+0x18c/0x260 [ 62.056988][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.057943][ T5229] el0t_64_sync+0x198/0x19c [ 62.058776][ T5229] irq event stamp: 399648 [ 62.059567][ T5229] hardirqs last enabled at (399647): [] finish_task_switch+0x22c/0x768 [ 62.061482][ T5229] hardirqs last disabled at (399648): [] el1_brk64+0x20/0x54 [ 62.063211][ T5229] softirqs last enabled at (399638): [] kernel_neon_begin+0x294/0x3fc [ 62.065006][ T5229] softirqs last disabled at (399636): [] kernel_neon_begin+0x11c/0x3fc [ 62.066825][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.086415][ T5496] set_capacity_and_notify: 34 callbacks suppressed [ 62.087815][ T5496] loop0: detected capacity change from 0 to 1024 [ 62.104500][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.104618][ T5229] ------------[ cut here ]------------ [ 62.104625][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 62.109586][ T5229] Modules linked in: [ 62.110365][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.112390][ T5229] Tainted: [W]=WARN [ 62.113175][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.115121][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.116716][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.118042][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.119352][ T5229] sp : ffff800094877060 [ 62.120200][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.121811][ T5229] x26: ffff0000f076d650 x25: ffff0000f076d678 x24: ffff800088a09b80 [ 62.123355][ T5229] x23: ffff0000cfdec000 x22: 000000000000feeb x21: ffff0000cfdec068 [ 62.124958][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 0000000000000000 [ 62.126588][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 62.128217][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 62.129832][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.131346][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 62.132909][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 62.134570][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.136202][ T5229] Call trace: [ 62.136850][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.138139][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.139123][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.140236][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.141331][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.142323][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.143199][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.144108][ T5229] sync_lazytime+0x1a8/0x68c [ 62.144952][ T5229] iput+0x1cc/0xb90 [ 62.145668][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.146576][ T5229] __dentry_kill+0x170/0x5fc [ 62.147394][ T5229] shrink_kill+0xe8/0x318 [ 62.148181][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.149161][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.150104][ T5229] do_one_tree+0x24/0x58 [ 62.150947][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.151902][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.152924][ T5229] kill_block_super+0x44/0x90 [ 62.153798][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.154619][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.155648][ T5229] deactivate_super+0xd8/0xf8 [ 62.156551][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.157398][ T5229] __cleanup_mnt+0x20/0x30 [ 62.158309][ T5229] task_work_run+0x1c4/0x254 [ 62.159251][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.160297][ T5229] el0_svc+0x18c/0x260 [ 62.161141][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.162207][ T5229] el0t_64_sync+0x198/0x19c [ 62.163100][ T5229] irq event stamp: 405744 [ 62.163958][ T5229] hardirqs last enabled at (405743): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 62.166029][ T5229] hardirqs last disabled at (405744): [] el1_brk64+0x20/0x54 [ 62.167668][ T5229] softirqs last enabled at (405736): [] kernel_neon_begin+0x294/0x3fc [ 62.169530][ T5229] softirqs last disabled at (405734): [] kernel_neon_begin+0x11c/0x3fc [ 62.171438][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.188590][ T5500] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 62.215162][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.215273][ T5229] ------------[ cut here ]------------ [ 62.215278][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 62.221019][ T5229] Modules linked in: [ 62.221801][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.223917][ T5229] Tainted: [W]=WARN [ 62.224682][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.226743][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.228263][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.229531][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.230768][ T5229] sp : ffff800094877060 [ 62.231575][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.233122][ T5229] x26: ffff0000f076b0f0 x25: ffff0000f076b118 x24: ffff800088a09b80 [ 62.234797][ T5229] x23: ffff0000c8916000 x22: 000000000000feeb x21: ffff0000c8916068 [ 62.236423][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 62.238042][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 62.239669][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 62.241301][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.242869][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 62.244482][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 62.246070][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.247644][ T5229] Call trace: [ 62.248339][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.249672][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.250742][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.251857][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.252945][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.253997][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.254866][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.255900][ T5229] sync_lazytime+0x1a8/0x68c [ 62.256785][ T5229] iput+0x1cc/0xb90 [ 62.257519][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.258532][ T5229] __dentry_kill+0x170/0x5fc [ 62.259473][ T5229] shrink_kill+0xe8/0x318 [ 62.260344][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.261342][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.262327][ T5229] do_one_tree+0x24/0x58 [ 62.263157][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.264239][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.265279][ T5229] kill_block_super+0x44/0x90 [ 62.266200][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.267021][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.268057][ T5229] deactivate_super+0xd8/0xf8 [ 62.269022][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.269862][ T5229] __cleanup_mnt+0x20/0x30 [ 62.270672][ T5229] task_work_run+0x1c4/0x254 [ 62.271543][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.272548][ T5229] el0_svc+0x18c/0x260 [ 62.273268][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.274206][ T5229] el0t_64_sync+0x198/0x19c [ 62.275061][ T5229] irq event stamp: 411302 [ 62.275887][ T5229] hardirqs last enabled at (411301): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 62.277870][ T5229] hardirqs last disabled at (411302): [] el1_brk64+0x20/0x54 [ 62.279604][ T5229] softirqs last enabled at (411294): [] kernel_neon_begin+0x294/0x3fc [ 62.281517][ T5229] softirqs last disabled at (411292): [] kernel_neon_begin+0x11c/0x3fc [ 62.283447][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.301077][ T5504] loop0: detected capacity change from 0 to 1024 [ 62.318545][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.321378][ T5229] ------------[ cut here ]------------ [ 62.321388][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 62.324311][ T5229] Modules linked in: [ 62.325004][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.326880][ T5229] Tainted: [W]=WARN [ 62.327588][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.329452][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.331001][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.332365][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.333671][ T5229] sp : ffff800094877060 [ 62.334491][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.336066][ T5229] x26: ffff0000dc903a48 x25: ffff0000dc903a70 x24: ffff800088a09b80 [ 62.337784][ T5229] x23: ffff0000d708c000 x22: 000000000000feeb x21: ffff0000d708c068 [ 62.339447][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 62.341020][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 62.342586][ T5229] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 62.344229][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.345752][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 62.347468][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 62.349106][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.350717][ T5229] Call trace: [ 62.351352][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.352651][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.353671][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.354800][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.355926][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.357017][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.357964][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.359005][ T5229] sync_lazytime+0x1a8/0x68c [ 62.359911][ T5229] iput+0x1cc/0xb90 [ 62.360625][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.361619][ T5229] __dentry_kill+0x170/0x5fc [ 62.362520][ T5229] shrink_kill+0xe8/0x318 [ 62.363354][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.364323][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.365313][ T5229] do_one_tree+0x24/0x58 [ 62.366111][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.367179][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.368264][ T5229] kill_block_super+0x44/0x90 [ 62.369173][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.370005][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.371030][ T5229] deactivate_super+0xd8/0xf8 [ 62.371945][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.372803][ T5229] __cleanup_mnt+0x20/0x30 [ 62.373652][ T5229] task_work_run+0x1c4/0x254 [ 62.374538][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.375578][ T5229] el0_svc+0x18c/0x260 [ 62.376405][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.377407][ T5229] el0t_64_sync+0x198/0x19c [ 62.378320][ T5229] irq event stamp: 416792 [ 62.379211][ T5229] hardirqs last enabled at (416791): [] finish_task_switch+0x22c/0x768 [ 62.381260][ T5229] hardirqs last disabled at (416792): [] el1_brk64+0x20/0x54 [ 62.383111][ T5229] softirqs last enabled at (416782): [] kernel_neon_begin+0x294/0x3fc [ 62.385036][ T5229] softirqs last disabled at (416780): [] kernel_neon_begin+0x11c/0x3fc [ 62.387061][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.413107][ T5508] loop0: detected capacity change from 0 to 1024 [ 62.432753][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.434961][ T5229] ------------[ cut here ]------------ [ 62.434970][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 62.437872][ T5229] Modules linked in: [ 62.438625][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.440605][ T5229] Tainted: [W]=WARN [ 62.441394][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.443468][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.445060][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.446387][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.447647][ T5229] sp : ffff800094877060 [ 62.448508][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.450145][ T5229] x26: ffff0000f0768b90 x25: ffff0000f0768bb8 x24: ffff800088a09b80 [ 62.451785][ T5229] x23: ffff0000ddf82000 x22: 000000000000feeb x21: ffff0000ddf82068 [ 62.453462][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 62.455092][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 62.456788][ T5229] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 62.458456][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.460093][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 62.461673][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 62.463209][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.464860][ T5229] Call trace: [ 62.465527][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.466814][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.467885][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.469069][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.470218][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.471324][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.472317][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.473386][ T5229] sync_lazytime+0x1a8/0x68c [ 62.474312][ T5229] iput+0x1cc/0xb90 [ 62.475076][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.476127][ T5229] __dentry_kill+0x170/0x5fc [ 62.477069][ T5229] shrink_kill+0xe8/0x318 [ 62.477944][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.478936][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.480004][ T5229] do_one_tree+0x24/0x58 [ 62.480887][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.481965][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.483033][ T5229] kill_block_super+0x44/0x90 [ 62.483971][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.484830][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.485917][ T5229] deactivate_super+0xd8/0xf8 [ 62.486851][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.487734][ T5229] __cleanup_mnt+0x20/0x30 [ 62.488656][ T5229] task_work_run+0x1c4/0x254 [ 62.489569][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.490659][ T5229] el0_svc+0x18c/0x260 [ 62.491478][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.492518][ T5229] el0t_64_sync+0x198/0x19c [ 62.493438][ T5229] irq event stamp: 423038 [ 62.494285][ T5229] hardirqs last enabled at (423037): [] finish_task_switch+0x22c/0x768 [ 62.496288][ T5229] hardirqs last disabled at (423038): [] el1_brk64+0x20/0x54 [ 62.498042][ T5229] softirqs last enabled at (423028): [] kernel_neon_begin+0x294/0x3fc [ 62.500003][ T5229] softirqs last disabled at (423026): [] kernel_neon_begin+0x11c/0x3fc [ 62.501953][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.525427][ T5512] loop0: detected capacity change from 0 to 1024 [ 62.544628][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.544743][ T5229] ------------[ cut here ]------------ [ 62.544749][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 62.549986][ T5229] Modules linked in: [ 62.550803][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.552908][ T5229] Tainted: [W]=WARN [ 62.553721][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.555725][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.557369][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.558645][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.559923][ T5229] sp : ffff800094877060 [ 62.560714][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.562262][ T5229] x26: ffff0000e2965fa8 x25: ffff0000e2965fd0 x24: ffff800088a09b80 [ 62.563831][ T5229] x23: ffff0000d1bfc000 x22: 000000000000feeb x21: ffff0000d1bfc068 [ 62.565332][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 62.566916][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 62.568567][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 62.570236][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.571886][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 62.573523][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 62.575169][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.576772][ T5229] Call trace: [ 62.577430][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.578774][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.579825][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.580967][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.582168][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.583315][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.584274][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.585277][ T5229] sync_lazytime+0x1a8/0x68c [ 62.586167][ T5229] iput+0x1cc/0xb90 [ 62.586901][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.587922][ T5229] __dentry_kill+0x170/0x5fc [ 62.588806][ T5229] shrink_kill+0xe8/0x318 [ 62.589670][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.590674][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.591902][ T5229] do_one_tree+0x24/0x58 [ 62.592756][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.593828][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.594873][ T5229] kill_block_super+0x44/0x90 [ 62.595824][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.596743][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.597829][ T5229] deactivate_super+0xd8/0xf8 [ 62.598734][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.599592][ T5229] __cleanup_mnt+0x20/0x30 [ 62.600438][ T5229] task_work_run+0x1c4/0x254 [ 62.601331][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.602330][ T5229] el0_svc+0x18c/0x260 [ 62.603139][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.604147][ T5229] el0t_64_sync+0x198/0x19c [ 62.605040][ T5229] irq event stamp: 429392 [ 62.605905][ T5229] hardirqs last enabled at (429391): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 62.607743][ T5229] hardirqs last disabled at (429392): [] el1_brk64+0x20/0x54 [ 62.609520][ T5229] softirqs last enabled at (429384): [] kernel_neon_begin+0x294/0x3fc [ 62.611388][ T5229] softirqs last disabled at (429382): [] kernel_neon_begin+0x11c/0x3fc [ 62.613351][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.633645][ T5516] loop0: detected capacity change from 0 to 1024 [ 62.650278][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.650392][ T5229] ------------[ cut here ]------------ [ 62.650398][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 62.655496][ T5229] Modules linked in: [ 62.656201][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.658119][ T5229] Tainted: [W]=WARN [ 62.658819][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.660789][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.662333][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.663629][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.664793][ T5229] sp : ffff800094877060 [ 62.665541][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.667017][ T5229] x26: ffff0000f0785fa8 x25: ffff0000f0785fd0 x24: ffff800088a09b80 [ 62.668524][ T5229] x23: ffff0000d1bae000 x22: 000000000000feeb x21: ffff0000d1bae068 [ 62.670077][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 62.671580][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 62.673141][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 62.674622][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.676088][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 62.677636][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 62.679158][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.680706][ T5229] Call trace: [ 62.681329][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.682559][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.683560][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.684628][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.685680][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.686672][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.687524][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.688463][ T5229] sync_lazytime+0x1a8/0x68c [ 62.689299][ T5229] iput+0x1cc/0xb90 [ 62.690028][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.691015][ T5229] __dentry_kill+0x170/0x5fc [ 62.691867][ T5229] shrink_kill+0xe8/0x318 [ 62.692637][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.693556][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.694454][ T5229] do_one_tree+0x24/0x58 [ 62.695189][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.696205][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.697136][ T5229] kill_block_super+0x44/0x90 [ 62.698005][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.698807][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.699765][ T5229] deactivate_super+0xd8/0xf8 [ 62.700626][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.701438][ T5229] __cleanup_mnt+0x20/0x30 [ 62.702262][ T5229] task_work_run+0x1c4/0x254 [ 62.703112][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.704108][ T5229] el0_svc+0x18c/0x260 [ 62.704885][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.705883][ T5229] el0t_64_sync+0x198/0x19c [ 62.706745][ T5229] irq event stamp: 434610 [ 62.707610][ T5229] hardirqs last enabled at (434609): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 62.709631][ T5229] hardirqs last disabled at (434610): [] el1_brk64+0x20/0x54 [ 62.711363][ T5229] softirqs last enabled at (434602): [] kernel_neon_begin+0x294/0x3fc [ 62.713251][ T5229] softirqs last disabled at (434600): [] kernel_neon_begin+0x11c/0x3fc [ 62.715038][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.740279][ T5520] loop0: detected capacity change from 0 to 1024 [ 6 ** replaying previous printk message ** [ 62.764665][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.764786][ T5229] ------------[ cut here ]------------ [ 62.764791][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 62.770371][ T5229] Modules linked in: [ 62.771084][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.773203][ T5229] Tainted: [W]=WARN [ 62.774007][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.775925][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.777498][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.778780][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.780101][ T5229] sp : ffff800094877060 [ 62.780899][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.782446][ T5229] x26: ffff0000e29630f0 x25: ffff0000e2963118 x24: ffff800088a09b80 [ 62.784070][ T5229] x23: ffff0000d08a4000 x22: 000000000000feeb x21: ffff0000d08a4068 [ 62.785678][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 62.787227][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 62.788749][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 62.790358][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.791998][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 62.793622][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 62.795267][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.796827][ T5229] Call trace: [ 62.797475][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.798762][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.799818][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.800906][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.801915][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.802935][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.803800][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.804790][ T5229] sync_lazytime+0x1a8/0x68c [ 62.805682][ T5229] iput+0x1cc/0xb90 [ 62.806414][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.807359][ T5229] __dentry_kill+0x170/0x5fc [ 62.808250][ T5229] shrink_kill+0xe8/0x318 [ 62.809089][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.810054][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.811031][ T5229] do_one_tree+0x24/0x58 [ 62.811861][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.812932][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.813948][ T5229] kill_block_super+0x44/0x90 [ 62.814797][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.815592][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.816609][ T5229] deactivate_super+0xd8/0xf8 [ 62.817510][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.818362][ T5229] __cleanup_mnt+0x20/0x30 [ 62.819226][ T5229] task_work_run+0x1c4/0x254 [ 62.820111][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.821143][ T5229] el0_svc+0x18c/0x260 [ 62.821882][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.822810][ T5229] el0t_64_sync+0x198/0x19c [ 62.823637][ T5229] irq event stamp: 439998 [ 62.824438][ T5229] hardirqs last enabled at (439997): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 62.826350][ T5229] hardirqs last disabled at (439998): [] el1_brk64+0x20/0x54 [ 62.827987][ T5229] softirqs last enabled at (439990): [] kernel_neon_begin+0x294/0x3fc [ 62.829855][ T5229] softirqs last disabled at (439988): [] kernel_neon_begin+0x11c/0x3fc [ 62.831687][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.853238][ T5524] loop0: detected capacity change from 0 to 1024 [ 62.880847][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.883234][ T5229] ------------[ cut here ]------------ [ 62.883242][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 62.886144][ T5229] Modules linked in: [ 62.886866][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.888803][ T5229] Tainted: [W]=WARN [ 62.889540][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.891557][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 62.893116][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 62.894465][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 62.895775][ T5229] sp : ffff800094877060 [ 62.896617][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 62.898284][ T5229] x26: ffff0000f0783a48 x25: ffff0000f0783a70 x24: ffff800088a09b80 [ 62.899989][ T5229] x23: ffff0000cb8b2000 x22: 000000000000feeb x21: ffff0000cb8b2068 [ 62.901636][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 62.903282][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 62.904869][ T5229] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 62.906545][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 62.908162][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 62.909808][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 62.911458][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 62.913061][ T5229] Call trace: [ 62.913726][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 62.915047][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 62.916093][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 62.917226][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 62.918274][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 62.919355][ T5229] ext4_dirty_inode+0xd4/0x104 [ 62.920333][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 62.921386][ T5229] sync_lazytime+0x1a8/0x68c [ 62.922311][ T5229] iput+0x1cc/0xb90 [ 62.923062][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 62.924083][ T5229] __dentry_kill+0x170/0x5fc [ 62.925001][ T5229] shrink_kill+0xe8/0x318 [ 62.925889][ T5229] shrink_dentry_list+0x154/0x2a4 [ 62.926869][ T5229] shrink_dcache_tree+0x40c/0x570 [ 62.927876][ T5229] do_one_tree+0x24/0x58 [ 62.928684][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 62.929775][ T5229] generic_shutdown_super+0x70/0x2b8 [ 62.930825][ T5229] kill_block_super+0x44/0x90 [ 62.931765][ T5229] ext4_kill_sb+0x68/0xa4 [ 62.932646][ T5229] deactivate_locked_super+0xc4/0x140 [ 62.933649][ T5229] deactivate_super+0xd8/0xf8 [ 62.934536][ T5229] cleanup_mnt+0x328/0x3b8 [ 62.935370][ T5229] __cleanup_mnt+0x20/0x30 [ 62.936251][ T5229] task_work_run+0x1c4/0x254 [ 62.937206][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 62.938282][ T5229] el0_svc+0x18c/0x260 [ 62.939117][ T5229] el0t_64_sync_handler+0x48/0x148 [ 62.940150][ T5229] el0t_64_sync+0x198/0x19c [ 62.941093][ T5229] irq event stamp: 445516 [ 62.941954][ T5229] hardirqs last enabled at (445515): [] finish_task_switch+0x22c/0x768 [ 62.943959][ T5229] hardirqs last disabled at (445516): [] el1_brk64+0x20/0x54 [ 62.945694][ T5229] softirqs last enabled at (445506): [] kernel_neon_begin+0x294/0x3fc [ 62.947701][ T5229] softirqs last disabled at (445504): [] kernel_neon_begin+0x11c/0x3fc [ 62.949753][ T5229] ---[ end trace 0000000000000000 ]--- [ 62.969963][ T5528] loop0: detected capacity change from 0 to 1024 [ 62.988820][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 62.991768][ T5229] ------------[ cut here ]------------ [ 62.991777][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 62.994866][ T5229] Modules linked in: [ 62.995575][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 62.997521][ T5229] Tainted: [W]=WARN [ 62.998211][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.000215][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.001733][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.002942][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.004104][ T5229] sp : ffff800094877060 [ 63.004858][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.006377][ T5229] x26: ffff0000f07814e8 x25: ffff0000f0781510 x24: ffff800088a09b80 [ 63.007971][ T5229] x23: ffff0000d8052000 x22: 000000000000feeb x21: ffff0000d8052068 [ 63.009495][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 63.011115][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 63.012741][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 63.014367][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.015957][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 63.017528][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 63.019113][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.020822][ T5229] Call trace: [ 63.021510][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.022832][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.023910][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.025123][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.026311][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.027432][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.028413][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.029475][ T5229] sync_lazytime+0x1a8/0x68c [ 63.030395][ T5229] iput+0x1cc/0xb90 [ 63.031170][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.032198][ T5229] __dentry_kill+0x170/0x5fc [ 63.033106][ T5229] shrink_kill+0xe8/0x318 [ 63.034002][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.035048][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.036071][ T5229] do_one_tree+0x24/0x58 [ 63.036949][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.038070][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.039189][ T5229] kill_block_super+0x44/0x90 [ 63.040153][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.041036][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.042073][ T5229] deactivate_super+0xd8/0xf8 [ 63.043021][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.043920][ T5229] __cleanup_mnt+0x20/0x30 [ 63.044824][ T5229] task_work_run+0x1c4/0x254 [ 63.045753][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.046826][ T5229] el0_svc+0x18c/0x260 [ 63.047622][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.048642][ T5229] el0t_64_sync+0x198/0x19c [ 63.049528][ T5229] irq event stamp: 451934 [ 63.050400][ T5229] hardirqs last enabled at (451933): [] finish_task_switch+0x22c/0x768 [ 63.052483][ T5229] hardirqs last disabled at (451934): [] el1_brk64+0x20/0x54 [ 63.054340][ T5229] softirqs last enabled at (451924): [] kernel_neon_begin+0x294/0x3fc [ 63.056343][ T5229] softirqs last disabled at (451922): [] kernel_neon_begin+0x11c/0x3fc [ 63.058308][ T5229] ---[ end trace 0000000000000000 ]--- [ 63.076349][ T5532] loop0: detected capacity change from 0 to 1024 [ 63.094974][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.097516][ T5229] ------------[ cut here ]------------ [ 63.097524][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 63.100640][ T5229] Modules linked in: [ 63.101389][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.103366][ T5229] Tainted: [W]=WARN [ 63.104085][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.106078][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.107590][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.108896][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.110183][ T5229] sp : ffff800094877060 [ 63.110992][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.112566][ T5229] x26: ffff0000f05ed650 x25: ffff0000f05ed678 x24: ffff800088a09b80 [ 63.114160][ T5229] x23: ffff0000d383e000 x22: 000000000000feeb x21: ffff0000d383e068 [ 63.115783][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 63.117443][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 63.119081][ T5229] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 63.120604][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.122173][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 63.123818][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 63.125501][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.127205][ T5229] Call trace: [ 63.127860][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.129173][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.130246][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.131354][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.132508][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.133660][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.134616][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.135675][ T5229] sync_lazytime+0x1a8/0x68c [ 63.136612][ T5229] iput+0x1cc/0xb90 [ 63.137368][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.138382][ T5229] __dentry_kill+0x170/0x5fc 1970/01/01 00:01:03 executed programs: 56 [ 63.139278][ T5229] shrink_kill+0xe8/0x318 [ 63.140138][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.141121][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.142085][ T5229] do_one_tree+0x24/0x58 [ 63.142931][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.144011][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.144989][ T5229] kill_block_super+0x44/0x90 [ 63.145862][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.146682][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.147679][ T5229] deactivate_super+0xd8/0xf8 [ 63.148590][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.149525][ T5229] __cleanup_mnt+0x20/0x30 [ 63.150346][ T5229] task_work_run+0x1c4/0x254 [ 63.151240][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.152280][ T5229] el0_svc+0x18c/0x260 [ 63.153038][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.153991][ T5229] el0t_64_sync+0x198/0x19c [ 63.154833][ T5229] irq event stamp: 457256 [ 63.155638][ T5229] hardirqs last enabled at (457255): [] finish_task_switch+0x22c/0x768 [ 63.157466][ T5229] hardirqs last disabled at (457256): [] el1_brk64+0x20/0x54 [ 63.159162][ T5229] softirqs last enabled at (457246): [] kernel_neon_begin+0x294/0x3fc [ 63.160973][ T5229] softirqs last disabled at (457244): [] kernel_neon_begin+0x11c/0x3fc [ 63.162759][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 63.213496][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.213621][ T5229] ------------[ cut here ]------------ [ 63.213625][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 63.219488][ T5229] Modules linked in: [ 63.220325][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.222475][ T5229] Tainted: [W]=WARN [ 63.223237][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.225315][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.226982][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.228312][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.229631][ T5229] sp : ffff800094877060 [ 63.230483][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.232176][ T5229] x26: ffff0000f05eb0f0 x25: ffff0000f05eb118 x24: ffff800088a09b80 [ 63.233847][ T5229] x23: ffff0000cb478000 x22: 000000000000feeb x21: ffff0000cb478068 [ 63.235485][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 63.237110][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 63.238743][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 63.240433][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.242108][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 63.243754][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 63.245402][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.246992][ T5229] Call trace: [ 63.247659][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.249069][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.250144][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.251328][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.252478][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.253608][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.254593][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.255648][ T5229] sync_lazytime+0x1a8/0x68c [ 63.256584][ T5229] iput+0x1cc/0xb90 [ 63.257362][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.258394][ T5229] __dentry_kill+0x170/0x5fc [ 63.259323][ T5229] shrink_kill+0xe8/0x318 [ 63.260212][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.261255][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.262273][ T5229] do_one_tree+0x24/0x58 [ 63.263152][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.264276][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.265314][ T5229] kill_block_super+0x44/0x90 [ 63.266211][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.267055][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.268146][ T5229] deactivate_super+0xd8/0xf8 [ 63.269101][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.269985][ T5229] __cleanup_mnt+0x20/0x30 [ 63.270801][ T5229] task_work_run+0x1c4/0x254 [ 63.271671][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.272644][ T5229] el0_svc+0x18c/0x260 [ 63.273383][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.274306][ T5229] el0t_64_sync+0x198/0x19c [ 63.275177][ T5229] irq event stamp: 463940 [ 63.275981][ T5229] hardirqs last enabled at (463939): [] raw_spin_rq_unlock_irq+0x18/0x28 [ 63.277859][ T5229] hardirqs last disabled at (463940): [] el1_brk64+0x20/0x54 [ 63.279466][ T5229] softirqs last enabled at (463930): [] kernel_neon_begin+0x294/0x3fc [ 63.281247][ T5229] softirqs last disabled at (463928): [] kernel_neon_begin+0x11c/0x3fc [ 63.282979][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 63.321563][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.321676][ T5229] ------------[ cut here ]------------ [ 63.321681][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 63.327422][ T5229] Modules linked in: [ 63.328121][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.330164][ T5229] Tainted: [W]=WARN [ 63.330927][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.332973][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.334564][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.335843][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.337129][ T5229] sp : ffff800094877060 [ 63.337941][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.339623][ T5229] x26: ffff0000f05e8b90 x25: ffff0000f05e8bb8 x24: ffff800088a09b80 [ 63.341278][ T5229] x23: ffff0000d426c000 x22: 000000000000feeb x21: ffff0000d426c068 [ 63.342926][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 63.344563][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 63.346180][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 63.347774][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.349405][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 63.351036][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 63.352682][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.354284][ T5229] Call trace: [ 63.354946][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.356387][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.357485][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.358707][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.359874][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.361011][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.362008][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.363052][ T5229] sync_lazytime+0x1a8/0x68c [ 63.363967][ T5229] iput+0x1cc/0xb90 [ 63.364729][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.365734][ T5229] __dentry_kill+0x170/0x5fc [ 63.366629][ T5229] shrink_kill+0xe8/0x318 [ 63.367481][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.368448][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.369443][ T5229] do_one_tree+0x24/0x58 [ 63.370283][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.371367][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.372428][ T5229] kill_block_super+0x44/0x90 [ 63.373336][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.374193][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.375258][ T5229] deactivate_super+0xd8/0xf8 [ 63.376182][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.377076][ T5229] __cleanup_mnt+0x20/0x30 [ 63.377922][ T5229] task_work_run+0x1c4/0x254 [ 63.378790][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.379802][ T5229] el0_svc+0x18c/0x260 [ 63.380569][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.381495][ T5229] el0t_64_sync+0x198/0x19c [ 63.382378][ T5229] irq event stamp: 469750 [ 63.383174][ T5229] hardirqs last enabled at (469749): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 63.385093][ T5229] hardirqs last disabled at (469750): [] el1_brk64+0x20/0x54 [ 63.386723][ T5229] softirqs last enabled at (469742): [] kernel_neon_begin+0x294/0x3fc [ 63.388568][ T5229] softirqs last disabled at (469740): [] kernel_neon_begin+0x11c/0x3fc [ 63.390337][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 63.436083][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.436198][ T5229] ------------[ cut here ]------------ [ 63.436202][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 63.442209][ T5229] Modules linked in: [ 63.442991][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.445139][ T5229] Tainted: [W]=WARN [ 63.445905][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.447934][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.449557][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.450841][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.452132][ T5229] sp : ffff800094877060 [ 63.452970][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.454604][ T5229] x26: ffff0000f07bccf8 x25: ffff0000f07bcd20 x24: ffff800088a09b80 [ 63.456282][ T5229] x23: ffff0000d0924000 x22: 000000000000feeb x21: ffff0000d0924068 [ 63.457914][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 63.459491][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 63.461098][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 63.462695][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.464324][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 63.465953][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 63.467575][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.469140][ T5229] Call trace: [ 63.469801][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.471113][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.472175][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.473363][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.474480][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.475629][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.476569][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.477615][ T5229] sync_lazytime+0x1a8/0x68c [ 63.478523][ T5229] iput+0x1cc/0xb90 [ 63.479306][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.480344][ T5229] __dentry_kill+0x170/0x5fc [ 63.481284][ T5229] shrink_kill+0xe8/0x318 [ 63.482176][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.483174][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.484189][ T5229] do_one_tree+0x24/0x58 [ 63.485048][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.486148][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.487208][ T5229] kill_block_super+0x44/0x90 [ 63.488160][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.489042][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.490134][ T5229] deactivate_super+0xd8/0xf8 [ 63.491107][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.491993][ T5229] __cleanup_mnt+0x20/0x30 [ 63.492912][ T5229] task_work_run+0x1c4/0x254 [ 63.493843][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.494949][ T5229] el0_svc+0x18c/0x260 [ 63.495737][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.496779][ T5229] el0t_64_sync+0x198/0x19c [ 63.497684][ T5229] irq event stamp: 474702 [ 63.498556][ T5229] hardirqs last enabled at (474701): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 63.500655][ T5229] hardirqs last disabled at (474702): [] el1_brk64+0x20/0x54 [ 63.502504][ T5229] softirqs last enabled at (474694): [] kernel_neon_begin+0x294/0x3fc [ 63.504529][ T5229] softirqs last disabled at (474692): [] kernel_neon_begin+0x11c/0x3fc [ 63.506536][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 63.536469][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.536584][ T5229] ------------[ cut here ]------------ [ 63.536589][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 63.542564][ T5229] Modules linked in: [ 63.543390][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.545530][ T5229] Tainted: [W]=WARN [ 63.546301][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.548326][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.549888][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.551218][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.552544][ T5229] sp : ffff800094877060 [ 63.553386][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.555057][ T5229] x26: ffff0000f07ba798 x25: ffff0000f07ba7c0 x24: ffff800088a09b80 [ 63.556704][ T5229] x23: ffff0000db334000 x22: 000000000000feeb x21: ffff0000db334068 [ 63.558358][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 63.559953][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 63.561515][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 63.563168][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.564824][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 63.566461][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 63.568116][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.569667][ T5229] Call trace: [ 63.570294][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.571534][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.572575][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.573715][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.574831][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.575936][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.576878][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.577934][ T5229] sync_lazytime+0x1a8/0x68c [ 63.578860][ T5229] iput+0x1cc/0xb90 [ 63.579636][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.580669][ T5229] __dentry_kill+0x170/0x5fc [ 63.581626][ T5229] shrink_kill+0xe8/0x318 [ 63.582512][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.583563][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.584562][ T5229] do_one_tree+0x24/0x58 [ 63.585409][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.586492][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.587575][ T5229] kill_block_super+0x44/0x90 [ 63.588542][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.589429][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.590537][ T5229] deactivate_super+0xd8/0xf8 [ 63.591491][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.592414][ T5229] __cleanup_mnt+0x20/0x30 [ 63.593334][ T5229] task_work_run+0x1c4/0x254 [ 63.594276][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.595325][ T5229] el0_svc+0x18c/0x260 [ 63.596144][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.597171][ T5229] el0t_64_sync+0x198/0x19c [ 63.598091][ T5229] irq event stamp: 479628 [ 63.598979][ T5229] hardirqs last enabled at (479627): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 63.601021][ T5229] hardirqs last disabled at (479628): [] el1_brk64+0x20/0x54 [ 63.602727][ T5229] softirqs last enabled at (479620): [] kernel_neon_begin+0x294/0x3fc [ 63.604576][ T5229] softirqs last disabled at (479618): [] kernel_neon_begin+0x11c/0x3fc [ 63.606572][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 63.641105][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.641218][ T5229] ------------[ cut here ]------------ [ 63.641223][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 63.646838][ T5229] Modules linked in: [ 63.647550][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.649483][ T5229] Tainted: [W]=WARN [ 63.650212][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.652211][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.653752][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.655063][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.656377][ T5229] sp : ffff800094877060 [ 63.657220][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.658875][ T5229] x26: ffff0000e2960b90 x25: ffff0000e2960bb8 x24: ffff800088a09b80 [ 63.660541][ T5229] x23: ffff0000d58ee000 x22: 000000000000feeb x21: ffff0000d58ee068 [ 63.662212][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 63.663900][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 63.665566][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 63.667227][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.668865][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 63.670476][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 63.672106][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.673737][ T5229] Call trace: [ 63.674418][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.675780][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.676830][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.678004][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.679134][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.680217][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.681186][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.682193][ T5229] sync_lazytime+0x1a8/0x68c [ 63.683099][ T5229] iput+0x1cc/0xb90 [ 63.683850][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.684885][ T5229] __dentry_kill+0x170/0x5fc [ 63.685773][ T5229] shrink_kill+0xe8/0x318 [ 63.686617][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.687620][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.688681][ T5229] do_one_tree+0x24/0x58 [ 63.689515][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.690571][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.691603][ T5229] kill_block_super+0x44/0x90 [ 63.692519][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.693393][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.694466][ T5229] deactivate_super+0xd8/0xf8 [ 63.695423][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.696276][ T5229] __cleanup_mnt+0x20/0x30 [ 63.697125][ T5229] task_work_run+0x1c4/0x254 [ 63.698063][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.699140][ T5229] el0_svc+0x18c/0x260 [ 63.699964][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.700971][ T5229] el0t_64_sync+0x198/0x19c [ 63.701823][ T5229] irq event stamp: 486036 [ 63.702686][ T5229] hardirqs last enabled at (486035): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 63.704736][ T5229] hardirqs last disabled at (486036): [] el1_brk64+0x20/0x54 [ 63.706511][ T5229] softirqs last enabled at (486028): [] kernel_neon_begin+0x294/0x3fc [ 63.708417][ T5229] softirqs last disabled at (486026): [] kernel_neon_begin+0x11c/0x3fc [ 63.710338][ T5229] ---[ end trace 0000000000000000 ]--- [ 63.756563][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.759471][ T5229] ------------[ cut here ]------------ [ 63.759483][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 63.762378][ T5229] Modules linked in: [ 63.763122][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.765110][ T5229] Tainted: [W]=WARN [ 63.765877][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.767929][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.769438][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.770703][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.772010][ T5229] sp : ffff800094877060 [ 63.772843][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.774389][ T5229] x26: ffff0000f07bdfa8 x25: ffff0000f07bdfd0 x24: ffff800088a09b80 [ 63.776049][ T5229] x23: ffff0000c312c000 x22: 000000000000feeb x21: ffff0000c312c068 [ 63.777677][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 0000000000000000 [ 63.779285][ T5229] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 [ 63.780889][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 63.782458][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.784075][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 63.785659][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 63.787226][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.788870][ T5229] Call trace: [ 63.789532][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.790840][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.791878][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.793024][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.794153][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.795243][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.796177][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.797193][ T5229] sync_lazytime+0x1a8/0x68c [ 63.798088][ T5229] iput+0x1cc/0xb90 [ 63.798837][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.799820][ T5229] __dentry_kill+0x170/0x5fc [ 63.800695][ T5229] shrink_kill+0xe8/0x318 [ 63.801535][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.802513][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.803471][ T5229] do_one_tree+0x24/0x58 [ 63.804240][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.805322][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.806391][ T5229] kill_block_super+0x44/0x90 [ 63.807332][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.808183][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.809302][ T5229] deactivate_super+0xd8/0xf8 [ 63.810217][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.811102][ T5229] __cleanup_mnt+0x20/0x30 [ 63.811974][ T5229] task_work_run+0x1c4/0x254 [ 63.812901][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.813942][ T5229] el0_svc+0x18c/0x260 [ 63.814672][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.815659][ T5229] el0t_64_sync+0x198/0x19c [ 63.816556][ T5229] irq event stamp: 491530 [ 63.817391][ T5229] hardirqs last enabled at (491529): [] finish_task_switch+0x22c/0x768 [ 63.819360][ T5229] hardirqs last disabled at (491530): [] el1_brk64+0x20/0x54 [ 63.821140][ T5229] softirqs last enabled at (491520): [] kernel_neon_begin+0x294/0x3fc [ 63.822999][ T5229] softirqs last disabled at (491518): [] kernel_neon_begin+0x11c/0x3fc [ 63.824867][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 63.868409][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.868529][ T5229] ------------[ cut here ]------------ [ 63.868534][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 63.874878][ T5229] Modules linked in: [ 63.875709][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.877933][ T5229] Tainted: [W]=WARN [ 63.878736][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.880701][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.882344][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.883717][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.885060][ T5229] sp : ffff800094877060 [ 63.885915][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 63.887564][ T5229] x26: ffff0000f07b8238 x25: ffff0000f07b8260 x24: ffff800088a09b80 [ 63.889132][ T5229] x23: ffff0000d92de000 x22: 000000000000feeb x21: ffff0000d92de068 [ 63.890800][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 0000000000000000 [ 63.892470][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 63.894138][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 63.895695][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 63.897228][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 63.898786][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 63.900370][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 63.901994][ T5229] Call trace: [ 63.902664][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 63.903968][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 63.905031][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 63.906172][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 63.907302][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 63.908378][ T5229] ext4_dirty_inode+0xd4/0x104 [ 63.909338][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 63.910387][ T5229] sync_lazytime+0x1a8/0x68c [ 63.911356][ T5229] iput+0x1cc/0xb90 [ 63.912161][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 63.913223][ T5229] __dentry_kill+0x170/0x5fc [ 63.914136][ T5229] shrink_kill+0xe8/0x318 [ 63.914981][ T5229] shrink_dentry_list+0x154/0x2a4 [ 63.915991][ T5229] shrink_dcache_tree+0x40c/0x570 [ 63.916967][ T5229] do_one_tree+0x24/0x58 [ 63.917793][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 63.918896][ T5229] generic_shutdown_super+0x70/0x2b8 [ 63.919959][ T5229] kill_block_super+0x44/0x90 [ 63.920892][ T5229] ext4_kill_sb+0x68/0xa4 [ 63.921762][ T5229] deactivate_locked_super+0xc4/0x140 [ 63.922821][ T5229] deactivate_super+0xd8/0xf8 [ 63.923750][ T5229] cleanup_mnt+0x328/0x3b8 [ 63.924616][ T5229] __cleanup_mnt+0x20/0x30 [ 63.925478][ T5229] task_work_run+0x1c4/0x254 [ 63.926390][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 63.927475][ T5229] el0_svc+0x18c/0x260 [ 63.928268][ T5229] el0t_64_sync_handler+0x48/0x148 [ 63.929239][ T5229] el0t_64_sync+0x198/0x19c [ 63.930133][ T5229] irq event stamp: 497234 [ 63.930979][ T5229] hardirqs last enabled at (497233): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 63.932999][ T5229] hardirqs last disabled at (497234): [] el1_brk64+0x20/0x54 [ 63.934727][ T5229] softirqs last enabled at (497226): [] kernel_neon_begin+0x294/0x3fc [ 63.936633][ T5229] softirqs last disabled at (497224): [] kernel_neon_begin+0x11c/0x3fc [ 63.938683][ T5229] ---[ end trace 0000000000000000 ]--- [ 63.983982][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 63.984105][ T5229] ------------[ cut here ]------------ [ 63.984111][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 63.989120][ T5229] Modules linked in: [ 63.989915][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 63.992048][ T5229] Tainted: [W]=WARN [ 63.992808][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.994743][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 63.996240][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 63.997451][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 63.998692][ T5229] sp : ffff800094877060 [ 63.999476][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.001046][ T5229] x26: ffff0000e2b31e40 x25: ffff0000e2b31e68 x24: ffff800088a09b80 [ 64.002587][ T5229] x23: ffff0000dd608000 x22: 000000000000feeb x21: ffff0000dd608068 [ 64.004137][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 64.005718][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 64.007360][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 64.008964][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.010508][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 64.012119][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 64.013716][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.015240][ T5229] Call trace: [ 64.015842][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.017053][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.018043][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.019146][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.020238][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.021282][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.022185][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.023134][ T5229] sync_lazytime+0x1a8/0x68c [ 64.024255][ T5229] iput+0x1cc/0xb90 [ 64.024981][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.025930][ T5229] __dentry_kill+0x170/0x5fc [ 64.026768][ T5229] shrink_kill+0xe8/0x318 [ 64.027590][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.028545][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.029516][ T5229] do_one_tree+0x24/0x58 [ 64.030339][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.031387][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.032388][ T5229] kill_block_super+0x44/0x90 [ 64.033278][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.034095][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.035150][ T5229] deactivate_super+0xd8/0xf8 [ 64.036023][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.036865][ T5229] __cleanup_mnt+0x20/0x30 [ 64.037707][ T5229] task_work_run+0x1c4/0x254 [ 64.038582][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.039597][ T5229] el0_svc+0x18c/0x260 [ 64.040393][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.041385][ T5229] el0t_64_sync+0x198/0x19c [ 64.042266][ T5229] irq event stamp: 502308 [ 64.043099][ T5229] hardirqs last enabled at (502307): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 64.045048][ T5229] hardirqs last disabled at (502308): [] el1_brk64+0x20/0x54 [ 64.046754][ T5229] softirqs last enabled at (502300): [] kernel_neon_begin+0x294/0x3fc [ 64.048599][ T5229] softirqs last disabled at (502298): [] kernel_neon_begin+0x11c/0x3fc [ 64.050561][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 64.096103][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.096219][ T5229] ------------[ cut here ]------------ [ 64.096224][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 64.102464][ T5229] Modules linked in: [ 64.103258][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.105406][ T5229] Tainted: [W]=WARN [ 64.106165][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.108190][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.109721][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.111016][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.112287][ T5229] sp : ffff800094877060 [ 64.113094][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.114672][ T5229] x26: ffff0000e285c3a0 x25: ffff0000e285c3c8 x24: ffff800088a09b80 [ 64.116277][ T5229] x23: ffff0000cc02a000 x22: 000000000000feeb x21: ffff0000cc02a068 [ 64.117874][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 64.119464][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 64.121045][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 64.122610][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.124180][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 64.125782][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 64.127332][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.128860][ T5229] Call trace: [ 64.129511][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.130782][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.131832][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.133001][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.134127][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.135209][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.136160][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.137176][ T5229] sync_lazytime+0x1a8/0x68c [ 64.138092][ T5229] iput+0x1cc/0xb90 [ 64.138850][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.139872][ T5229] __dentry_kill+0x170/0x5fc [ 64.140764][ T5229] shrink_kill+0xe8/0x318 [ 64.141627][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.142622][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.143609][ T5229] do_one_tree+0x24/0x58 [ 64.144411][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.145484][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.146517][ T5229] kill_block_super+0x44/0x90 [ 64.147452][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.148335][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.149378][ T5229] deactivate_super+0xd8/0xf8 [ 64.150299][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.151182][ T5229] __cleanup_mnt+0x20/0x30 [ 64.152050][ T5229] task_work_run+0x1c4/0x254 [ 64.152947][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.154005][ T5229] el0_svc+0x18c/0x260 [ 64.154785][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.155768][ T5229] el0t_64_sync+0x198/0x19c [ 64.156627][ T5229] irq event stamp: 507538 [ 64.157452][ T5229] hardirqs last enabled at (507537): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 64.159382][ T5229] hardirqs last disabled at (507538): [] el1_brk64+0x20/0x54 [ 64.161084][ T5229] softirqs last enabled at (507530): [] kernel_neon_begin+0x294/0x3fc [ 64.162934][ T5229] softirqs last disabled at (507528): [] kernel_neon_begin+0x11c/0x3fc [ 64.164797][ T5229] ---[ end trace 0000000000000000 ]--- [ 64.206210][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.208704][ T5229] ------------[ cut here ]------------ [ 64.208714][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 64.211915][ T5229] Modules linked in: [ 64.212646][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.214655][ T5229] Tainted: [W]=WARN [ 64.215414][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.217446][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.219032][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.220353][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.221672][ T5229] sp : ffff800094877060 [ 64.222517][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.224208][ T5229] x26: ffff0000f0679e40 x25: ffff0000f0679e68 x24: ffff800088a09b80 [ 64.225870][ T5229] x23: ffff0000d69b8000 x22: 000000000000feeb x21: ffff0000d69b8068 [ 64.227516][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 64.229067][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 64.230675][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 64.232319][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.233907][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 64.235525][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 64.237118][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.238722][ T5229] Call trace: [ 64.239410][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.240721][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.241771][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.242943][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.244088][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.245206][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.246207][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.247219][ T5229] sync_lazytime+0x1a8/0x68c [ 64.248088][ T5229] iput+0x1cc/0xb90 [ 64.248869][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.249877][ T5229] __dentry_kill+0x170/0x5fc [ 64.250831][ T5229] shrink_kill+0xe8/0x318 [ 64.251691][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.252684][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.253681][ T5229] do_one_tree+0x24/0x58 [ 64.254522][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.255636][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.256709][ T5229] kill_block_super+0x44/0x90 [ 64.257640][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.258554][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.259685][ T5229] deactivate_super+0xd8/0xf8 [ 64.260665][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.261536][ T5229] __cleanup_mnt+0x20/0x30 [ 64.262395][ T5229] task_work_run+0x1c4/0x254 [ 64.263362][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.264461][ T5229] el0_svc+0x18c/0x260 [ 64.265273][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.266289][ T5229] el0t_64_sync+0x198/0x19c [ 64.267165][ T5229] irq event stamp: 512652 [ 64.267985][ T5229] hardirqs last enabled at (512651): [] finish_task_switch+0x22c/0x768 [ 64.269943][ T5229] hardirqs last disabled at (512652): [] el1_brk64+0x20/0x54 [ 64.271680][ T5229] softirqs last enabled at (512642): [] kernel_neon_begin+0x294/0x3fc [ 64.273457][ T5229] softirqs last disabled at (512640): [] kernel_neon_begin+0x11c/0x3fc [ 64.275293][ T5229] ---[ end trace 0000000000000000 ]--- [ 6 ** replaying previous printk message ** [ 64.310219][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.310340][ T5229] ------------[ cut here ]------------ [ 64.310345][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 64.316187][ T5229] Modules linked in: [ 64.316910][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.318795][ T5229] Tainted: [W]=WARN [ 64.319558][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.321614][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.323224][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.324571][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.325912][ T5229] sp : ffff800094877060 [ 64.326730][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.328336][ T5229] x26: ffff0000e2b343a0 x25: ffff0000e2b343c8 x24: ffff800088a09b80 [ 64.329886][ T5229] x23: ffff0000d3342000 x22: 000000000000feeb x21: ffff0000d3342068 [ 64.331488][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 64.333183][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 64.334897][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 64.336565][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.338248][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 64.339884][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 64.341543][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.343187][ T5229] Call trace: [ 64.343847][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.345183][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.346231][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.347375][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.348483][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.349571][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.350481][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.351511][ T5229] sync_lazytime+0x1a8/0x68c [ 64.352411][ T5229] iput+0x1cc/0xb90 [ 64.353119][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.354074][ T5229] __dentry_kill+0x170/0x5fc [ 64.354942][ T5229] shrink_kill+0xe8/0x318 [ 64.355756][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.356694][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.357659][ T5229] do_one_tree+0x24/0x58 [ 64.358499][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.359572][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.360595][ T5229] kill_block_super+0x44/0x90 [ 64.361467][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.362264][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.363288][ T5229] deactivate_super+0xd8/0xf8 [ 64.364241][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.365133][ T5229] __cleanup_mnt+0x20/0x30 [ 64.365999][ T5229] task_work_run+0x1c4/0x254 [ 64.366908][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.367948][ T5229] el0_svc+0x18c/0x260 [ 64.368733][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.369822][ T5229] el0t_64_sync+0x198/0x19c [ 64.370788][ T5229] irq event stamp: 517662 [ 64.371660][ T5229] hardirqs last enabled at (517661): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 64.373772][ T5229] hardirqs last disabled at (517662): [] el1_brk64+0x20/0x54 [ 64.375662][ T5229] softirqs last enabled at (517654): [] kernel_neon_begin+0x294/0x3fc [ 64.377581][ T5229] softirqs last disabled at (517652): [] kernel_neon_begin+0x11c/0x3fc [ 64.379530][ T5229] ---[ end trace 0000000000000000 ]--- [ 6 ** replaying previous printk message ** [ 64.428198][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.428313][ T5229] ------------[ cut here ]------------ [ 64.428318][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 64.434530][ T5229] Modules linked in: [ 64.435333][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.437434][ T5229] Tainted: [W]=WARN [ 64.438210][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.440261][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.441845][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.443194][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.444539][ T5229] sp : ffff800094877060 [ 64.445394][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.447095][ T5229] x26: ffff0000e2b30238 x25: ffff0000e2b30260 x24: ffff800088a09b80 [ 64.448783][ T5229] x23: ffff0000dde54000 x22: 000000000000feeb x21: ffff0000dde54068 [ 64.450473][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 64.452138][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 64.453755][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 64.455452][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.457102][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 64.458737][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 64.460436][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.462118][ T5229] Call trace: [ 64.462796][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.464129][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.465270][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.466465][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.467612][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.468725][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.469721][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.470786][ T5229] sync_lazytime+0x1a8/0x68c [ 64.471692][ T5229] iput+0x1cc/0xb90 [ 64.472459][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.473496][ T5229] __dentry_kill+0x170/0x5fc [ 64.474426][ T5229] shrink_kill+0xe8/0x318 [ 64.475311][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.476268][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.477265][ T5229] do_one_tree+0x24/0x58 [ 64.478063][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.479108][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.480137][ T5229] kill_block_super+0x44/0x90 [ 64.481086][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.481960][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.483017][ T5229] deactivate_super+0xd8/0xf8 [ 64.483906][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.484744][ T5229] __cleanup_mnt+0x20/0x30 [ 64.485609][ T5229] task_work_run+0x1c4/0x254 [ 64.486523][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.487624][ T5229] el0_svc+0x18c/0x260 [ 64.488466][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.489507][ T5229] el0t_64_sync+0x198/0x19c [ 64.490444][ T5229] irq event stamp: 523326 [ 64.490648][ T10] cfg80211: failed to load regulatory.db [ 64.492456][ T5229] hardirqs last enabled at (523325): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 64.494603][ T5229] hardirqs last disabled at (523326): [] el1_brk64+0x20/0x54 [ 64.496457][ T5229] softirqs last enabled at (523318): [] kernel_neon_begin+0x294/0x3fc [ 64.498454][ T5229] softirqs last disabled at (523316): [] kernel_neon_begin+0x11c/0x3fc [ 64.500352][ T5229] ---[ end trace 0000000000000000 ]--- [ 64.503141][ T1596] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.503189][ T1596] ieee802154 phy1 wpan1: encryption failed: -22 [ ** replaying previous printk message ** [ 64.547494][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.547610][ T5229] ------------[ cut here ]------------ [ 64.547615][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 64.554047][ T5229] Modules linked in: [ 64.554849][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.556931][ T5229] Tainted: [W]=WARN [ 64.557662][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.559646][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.561226][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.562549][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.563845][ T5229] sp : ffff800094877060 [ 64.564689][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.566367][ T5229] x26: ffff0000e285f258 x25: ffff0000e285f280 x24: ffff800088a09b80 [ 64.568040][ T5229] x23: ffff0000dde8c000 x22: 000000000000feeb x21: ffff0000dde8c068 [ 64.569644][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 0000000000000000 [ 64.571237][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 64.572887][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 64.574490][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.576047][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 64.577543][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 64.579157][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.580733][ T5229] Call trace: [ 64.581365][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.582656][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.583708][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.584820][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.585915][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.586931][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.587836][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.588842][ T5229] sync_lazytime+0x1a8/0x68c [ 64.589797][ T5229] iput+0x1cc/0xb90 [ 64.590573][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.591607][ T5229] __dentry_kill+0x170/0x5fc [ 64.592544][ T5229] shrink_kill+0xe8/0x318 [ 64.593430][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.594413][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.595385][ T5229] do_one_tree+0x24/0x58 [ 64.596211][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.597252][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.598278][ T5229] kill_block_super+0x44/0x90 [ 64.599221][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.600086][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.601133][ T5229] deactivate_super+0xd8/0xf8 [ 64.602079][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.602973][ T5229] __cleanup_mnt+0x20/0x30 [ 64.603817][ T5229] task_work_run+0x1c4/0x254 [ 64.604796][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.605888][ T5229] el0_svc+0x18c/0x260 [ 64.606712][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.607731][ T5229] el0t_64_sync+0x198/0x19c [ 64.608666][ T5229] irq event stamp: 529024 [ 64.609529][ T5229] hardirqs last enabled at (529023): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 64.611601][ T5229] hardirqs last disabled at (529024): [] el1_brk64+0x20/0x54 [ 64.613403][ T5229] softirqs last enabled at (529016): [] kernel_neon_begin+0x294/0x3fc [ 64.615332][ T5229] softirqs last disabled at (529014): [] kernel_neon_begin+0x11c/0x3fc [ 64.617246][ T5229] ---[ end trace 0000000000000000 ]--- [ 64.652381][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.654711][ T5229] ------------[ cut here ]------------ [ 64.654719][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 64.657648][ T5229] Modules linked in: [ 64.658357][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.660416][ T5229] Tainted: [W]=WARN [ 64.661155][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.663157][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.664687][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.665961][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.667250][ T5229] sp : ffff800094877060 [ 64.668059][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.669632][ T5229] x26: ffff0000e285d650 x25: ffff0000e285d678 x24: ffff800088a09b80 [ 64.671186][ T5229] x23: ffff0000c9b9c000 x22: 000000000000feeb x21: ffff0000c9b9c068 [ 64.672721][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 64.674295][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 64.675816][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 64.677322][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.678901][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 64.680449][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 64.682060][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.683696][ T5229] Call trace: [ 64.684353][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.685650][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.686672][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.687801][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.688860][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.689885][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.690812][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.691799][ T5229] sync_lazytime+0x1a8/0x68c [ 64.692698][ T5229] iput+0x1cc/0xb90 [ 64.693419][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.694396][ T5229] __dentry_kill+0x170/0x5fc [ 64.695297][ T5229] shrink_kill+0xe8/0x318 [ 64.696144][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.697126][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.698106][ T5229] do_one_tree+0x24/0x58 [ 64.698923][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.699987][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.701016][ T5229] kill_block_super+0x44/0x90 [ 64.701923][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.702783][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.703803][ T5229] deactivate_super+0xd8/0xf8 [ 64.704732][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.705604][ T5229] __cleanup_mnt+0x20/0x30 [ 64.706470][ T5229] task_work_run+0x1c4/0x254 [ 64.707367][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.708396][ T5229] el0_svc+0x18c/0x260 [ 64.709172][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.710164][ T5229] el0t_64_sync+0x198/0x19c [ 64.711008][ T5229] irq event stamp: 533926 [ 64.711824][ T5229] hardirqs last enabled at (533925): [] finish_task_switch+0x22c/0x768 [ 64.713767][ T5229] hardirqs last disabled at (533926): [] el1_brk64+0x20/0x54 [ 64.715463][ T5229] softirqs last enabled at (533916): [] kernel_neon_begin+0x294/0x3fc [ 64.717403][ T5229] softirqs last disabled at (533914): [] kernel_neon_begin+0x11c/0x3fc [ 64.719272][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 64.765020][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.765142][ T5229] ------------[ cut here ]------------ [ 64.765148][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 64.771286][ T5229] Modules linked in: [ 64.772088][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.774264][ T5229] Tainted: [W]=WARN [ 64.774981][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.776896][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.778501][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.779767][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.781042][ T5229] sp : ffff800094877060 [ 64.781892][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.783493][ T5229] x26: ffff0000e285dfa8 x25: ffff0000e285dfd0 x24: ffff800088a09b80 [ 64.785114][ T5229] x23: ffff0000d5fc4000 x22: 000000000000feeb x21: ffff0000d5fc4068 [ 64.786807][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 64.788456][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 64.790111][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 64.791793][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.793460][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 64.795140][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 64.796822][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.798469][ T5229] Call trace: [ 64.799136][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.800518][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.801584][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.802744][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.803862][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.804950][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.805905][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.806928][ T5229] sync_lazytime+0x1a8/0x68c [ 64.807856][ T5229] iput+0x1cc/0xb90 [ 64.808592][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.809574][ T5229] __dentry_kill+0x170/0x5fc [ 64.810475][ T5229] shrink_kill+0xe8/0x318 [ 64.811319][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.812299][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.813282][ T5229] do_one_tree+0x24/0x58 [ 64.814122][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.815198][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.816237][ T5229] kill_block_super+0x44/0x90 [ 64.817146][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.817990][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.819037][ T5229] deactivate_super+0xd8/0xf8 [ 64.819949][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.820803][ T5229] __cleanup_mnt+0x20/0x30 [ 64.821648][ T5229] task_work_run+0x1c4/0x254 [ 64.822557][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.823622][ T5229] el0_svc+0x18c/0x260 [ 64.824482][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.825523][ T5229] el0t_64_sync+0x198/0x19c [ 64.826448][ T5229] irq event stamp: 539520 [ 64.827355][ T5229] hardirqs last enabled at (539519): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 64.829538][ T5229] hardirqs last disabled at (539520): [] el1_brk64+0x20/0x54 [ 64.831355][ T5229] softirqs last enabled at (539512): [] kernel_neon_begin+0x294/0x3fc [ 64.833266][ T5229] softirqs last disabled at (539510): [] kernel_neon_begin+0x11c/0x3fc [ 64.835178][ T5229] ---[ end trace 0000000000000000 ]--- [ 6 ** replaying previous printk message ** [ 64.864164][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.864280][ T5229] ------------[ cut here ]------------ [ 64.864285][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 64.870036][ T5229] Modules linked in: [ 64.870792][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.872799][ T5229] Tainted: [W]=WARN [ 64.873515][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.875374][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.876897][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.878155][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.879456][ T5229] sp : ffff800094877060 [ 64.880280][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.881857][ T5229] x26: ffff0000e29f2798 x25: ffff0000e29f27c0 x24: ffff800088a09b80 [ 64.883425][ T5229] x23: ffff0000cc5f0000 x22: 000000000000feeb x21: ffff0000cc5f0068 [ 64.884957][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 64.886642][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 64.888279][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 64.889924][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 64.891579][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 64.893156][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 64.894772][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 64.896437][ T5229] Call trace: [ 64.897096][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 64.898412][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 64.899480][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 64.900655][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 64.901801][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 64.902928][ T5229] ext4_dirty_inode+0xd4/0x104 [ 64.903855][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 64.904895][ T5229] sync_lazytime+0x1a8/0x68c [ 64.905755][ T5229] iput+0x1cc/0xb90 [ 64.906551][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 64.907551][ T5229] __dentry_kill+0x170/0x5fc [ 64.908438][ T5229] shrink_kill+0xe8/0x318 [ 64.909273][ T5229] shrink_dentry_list+0x154/0x2a4 [ 64.910228][ T5229] shrink_dcache_tree+0x40c/0x570 [ 64.911206][ T5229] do_one_tree+0x24/0x58 [ 64.912026][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 64.913095][ T5229] generic_shutdown_super+0x70/0x2b8 [ 64.914112][ T5229] kill_block_super+0x44/0x90 [ 64.915022][ T5229] ext4_kill_sb+0x68/0xa4 [ 64.915844][ T5229] deactivate_locked_super+0xc4/0x140 [ 64.916878][ T5229] deactivate_super+0xd8/0xf8 [ 64.917782][ T5229] cleanup_mnt+0x328/0x3b8 [ 64.918651][ T5229] __cleanup_mnt+0x20/0x30 [ 64.919515][ T5229] task_work_run+0x1c4/0x254 [ 64.920393][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 64.921442][ T5229] el0_svc+0x18c/0x260 [ 64.922261][ T5229] el0t_64_sync_handler+0x48/0x148 [ 64.923287][ T5229] el0t_64_sync+0x198/0x19c [ 64.924163][ T5229] irq event stamp: 545064 [ 64.925013][ T5229] hardirqs last enabled at (545063): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 64.927065][ T5229] hardirqs last disabled at (545064): [] el1_brk64+0x20/0x54 [ 64.928814][ T5229] softirqs last enabled at (545056): [] kernel_neon_begin+0x294/0x3fc [ 64.930809][ T5229] softirqs last disabled at (545054): [] kernel_neon_begin+0x11c/0x3fc [ 64.932794][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 64.980320][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 64.980441][ T5229] ------------[ cut here ]------------ [ 64.980446][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 64.986336][ T5229] Modules linked in: [ 64.987063][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 64.989054][ T5229] Tainted: [W]=WARN [ 64.989791][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.991782][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 64.993276][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 64.994552][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 64.995807][ T5229] sp : ffff800094877060 [ 64.996652][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 64.998223][ T5229] x26: ffff0000e29f0238 x25: ffff0000e29f0260 x24: ffff800088a09b80 [ 64.999881][ T5229] x23: ffff0000d8bc4000 x22: 000000000000feeb x21: ffff0000d8bc4068 [ 65.001501][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 65.003078][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 65.004666][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 65.006261][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.007852][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 65.009451][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 65.011027][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.012639][ T5229] Call trace: [ 65.013279][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.014545][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.015600][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.016722][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.017851][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.018936][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.019894][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.020913][ T5229] sync_lazytime+0x1a8/0x68c [ 65.021882][ T5229] iput+0x1cc/0xb90 [ 65.022684][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.023734][ T5229] __dentry_kill+0x170/0x5fc [ 65.024687][ T5229] shrink_kill+0xe8/0x318 [ 65.025583][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.026612][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.027643][ T5229] do_one_tree+0x24/0x58 [ 65.028489][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.029656][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.030775][ T5229] kill_block_super+0x44/0x90 [ 65.031767][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.032667][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.033737][ T5229] deactivate_super+0xd8/0xf8 [ 65.034710][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.035610][ T5229] __cleanup_mnt+0x20/0x30 [ 65.036521][ T5229] task_work_run+0x1c4/0x254 [ 65.037419][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.038494][ T5229] el0_svc+0x18c/0x260 [ 65.039298][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.040307][ T5229] el0t_64_sync+0x198/0x19c [ 65.041170][ T5229] irq event stamp: 550708 [ 65.042018][ T5229] hardirqs last enabled at (550707): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 65.044063][ T5229] hardirqs last disabled at (550708): [] el1_brk64+0x20/0x54 [ 65.045884][ T5229] softirqs last enabled at (550700): [] kernel_neon_begin+0x294/0x3fc [ 65.047833][ T5229] softirqs last disabled at (550698): [] kernel_neon_begin+0x11c/0x3fc [ 65.049778][ T5229] ---[ end trace 0000000000000000 ]--- [ 6 ** replaying previous printk message ** [ 65.108018][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.108135][ T5229] ------------[ cut here ]------------ [ 65.108140][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 65.114317][ T5229] Modules linked in: [ 65.115059][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.117112][ T5229] Tainted: [W]=WARN [ 65.117812][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 65.120026][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 65.121598][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 65.122887][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 65.124181][ T5229] sp : ffff800094877060 [ 65.125019][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 65.126629][ T5229] x26: ffff0000dc93b0f0 x25: ffff0000dc93b118 x24: ffff800088a09b80 [ 65.128232][ T5229] x23: ffff0000d8fba000 x22: 000000000000feeb x21: ffff0000d8fba068 [ 65.129858][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 65.131486][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 65.133129][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 65.134777][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.136400][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 65.137993][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 65.139589][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.141206][ T5229] Call trace: [ 65.141851][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.143114][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.144140][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.145298][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.146475][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.147596][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.148563][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.149551][ T5229] sync_lazytime+0x1a8/0x68c [ 65.150475][ T5229] iput+0x1cc/0xb90 [ 65.151248][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.152267][ T5229] __dentry_kill+0x170/0x5fc [ 65.153206][ T5229] shrink_kill+0xe8/0x318 [ 65.154059][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.155057][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.156039][ T5229] do_one_tree+0x24/0x58 [ 65.156872][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.157915][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.158960][ T5229] kill_block_super+0x44/0x90 [ 65.159890][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.160744][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.161800][ T5229] deactivate_super+0xd8/0xf8 [ 65.162726][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.163598][ T5229] __cleanup_mnt+0x20/0x30 [ 65.164462][ T5229] task_work_run+0x1c4/0x254 [ 65.165375][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.166405][ T5229] el0_svc+0x18c/0x260 [ 65.167220][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.168248][ T5229] el0t_64_sync+0x198/0x19c [ 65.169169][ T5229] irq event stamp: 556524 [ 65.170038][ T5229] hardirqs last enabled at (556523): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 65.172124][ T5229] hardirqs last disabled at (556524): [] el1_brk64+0x20/0x54 [ 65.173919][ T5229] softirqs last enabled at (556516): [] kernel_neon_begin+0x294/0x3fc [ 65.175922][ T5229] softirqs last disabled at (556514): [] kernel_neon_begin+0x11c/0x3fc [ 65.177901][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 65.224611][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.224722][ T5229] ------------[ cut here ]------------ [ 65.224727][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 65.230627][ T5229] Modules linked in: [ 65.231415][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.233518][ T5229] Tainted: [W]=WARN [ 65.234301][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 65.236324][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 65.237903][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 65.239227][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 65.240590][ T5229] sp : ffff800094877060 [ 65.241402][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 65.242972][ T5229] x26: ffff0000e29f43a0 x25: ffff0000e29f43c8 x24: ffff800088a09b80 [ 65.244668][ T5229] x23: ffff0000ce502000 x22: 000000000000feeb x21: ffff0000ce502068 [ 65.246330][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 65.248012][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 65.249689][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 65.251350][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.252921][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 65.254562][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 65.256110][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.257677][ T5229] Call trace: [ 65.258316][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.259626][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.260723][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.261868][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.262886][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.263888][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.264779][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.265744][ T5229] sync_lazytime+0x1a8/0x68c [ 65.266638][ T5229] iput+0x1cc/0xb90 [ 65.267365][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.268366][ T5229] __dentry_kill+0x170/0x5fc [ 65.269236][ T5229] shrink_kill+0xe8/0x318 [ 65.270061][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.270993][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.271953][ T5229] do_one_tree+0x24/0x58 [ 65.272763][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.273833][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.274852][ T5229] kill_block_super+0x44/0x90 [ 65.275778][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.276625][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.277676][ T5229] deactivate_super+0xd8/0xf8 [ 65.278591][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.279461][ T5229] __cleanup_mnt+0x20/0x30 [ 65.280321][ T5229] task_work_run+0x1c4/0x254 [ 65.281234][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.282299][ T5229] el0_svc+0x18c/0x260 [ 65.283111][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.284113][ T5229] el0t_64_sync+0x198/0x19c [ 65.285007][ T5229] irq event stamp: 561546 [ 65.285818][ T5229] hardirqs last enabled at (561545): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 65.287813][ T5229] hardirqs last disabled at (561546): [] el1_brk64+0x20/0x54 [ 65.289448][ T5229] softirqs last enabled at (561538): [] kernel_neon_begin+0x294/0x3fc [ 65.291353][ T5229] softirqs last disabled at (561536): [] kernel_neon_begin+0x11c/0x3fc [ 65.293211][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 65.326528][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.326639][ T5229] ------------[ cut here ]------------ [ 65.326643][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 65.332835][ T5229] Modules linked in: [ 65.333636][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.335804][ T5229] Tainted: [W]=WARN [ 65.336591][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 65.338618][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 65.340208][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 65.341514][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 65.342843][ T5229] sp : ffff800094877060 [ 65.343664][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 65.345347][ T5229] x26: ffff0000e2bdccf8 x25: ffff0000e2bdcd20 x24: ffff800088a09b80 [ 65.347007][ T5229] x23: ffff0000d83ee000 x22: 000000000000feeb x21: ffff0000d83ee068 [ 65.348621][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 65.350196][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 65.351688][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 65.353201][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.354790][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 65.356417][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 65.358080][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.359748][ T5229] Call trace: [ 65.360410][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.361730][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.362810][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.363967][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.365094][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.366211][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.367154][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.368190][ T5229] sync_lazytime+0x1a8/0x68c [ 65.369120][ T5229] iput+0x1cc/0xb90 [ 65.369964][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.370970][ T5229] __dentry_kill+0x170/0x5fc [ 65.371900][ T5229] shrink_kill+0xe8/0x318 [ 65.372779][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.373743][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.374741][ T5229] do_one_tree+0x24/0x58 [ 65.375612][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.376679][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.377729][ T5229] kill_block_super+0x44/0x90 [ 65.378649][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.379515][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.380586][ T5229] deactivate_super+0xd8/0xf8 [ 65.381545][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.382434][ T5229] __cleanup_mnt+0x20/0x30 [ 65.383299][ T5229] task_work_run+0x1c4/0x254 [ 65.384187][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.385226][ T5229] el0_svc+0x18c/0x260 [ 65.386059][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.387100][ T5229] el0t_64_sync+0x198/0x19c [ 65.388024][ T5229] irq event stamp: 566654 [ 65.388913][ T5229] hardirqs last enabled at (566653): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 65.391071][ T5229] hardirqs last disabled at (566654): [] el1_brk64+0x20/0x54 [ 65.392947][ T5229] softirqs last enabled at (566646): [] kernel_neon_begin+0x294/0x3fc [ 65.395019][ T5229] softirqs last disabled at (566644): [] kernel_neon_begin+0x11c/0x3fc [ 65.396951][ T5229] ---[ end trace 0000000000000000 ]--- [ 65.434620][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.437037][ T5229] ------------[ cut here ]------------ [ 65.437048][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 65.440218][ T5229] Modules linked in: [ 65.441000][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.443062][ T5229] Tainted: [W]=WARN [ 65.443833][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 65.445839][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 65.447454][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 65.448787][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 65.450044][ T5229] sp : ffff800094877060 [ 65.450851][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 65.452346][ T5229] x26: ffff0000e2bda798 x25: ffff0000e2bda7c0 x24: ffff800088a09b80 [ 65.453804][ T5229] x23: ffff0000ee254000 x22: 000000000000feeb x21: ffff0000ee254068 [ 65.455349][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 65.456884][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 65.458419][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 65.460008][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.461551][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 65.463121][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 65.464710][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.466286][ T5229] Call trace: [ 65.466913][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.468161][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.469207][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.470373][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.471491][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.472537][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.473463][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.474452][ T5229] sync_lazytime+0x1a8/0x68c [ 65.475366][ T5229] iput+0x1cc/0xb90 [ 65.476127][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.477108][ T5229] __dentry_kill+0x170/0x5fc [ 65.478020][ T5229] shrink_kill+0xe8/0x318 [ 65.478861][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.479831][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.480818][ T5229] do_one_tree+0x24/0x58 [ 65.481651][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.482734][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.483752][ T5229] kill_block_super+0x44/0x90 [ 65.484657][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.485491][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.486567][ T5229] deactivate_super+0xd8/0xf8 [ 65.487509][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.488378][ T5229] __cleanup_mnt+0x20/0x30 [ 65.489259][ T5229] task_work_run+0x1c4/0x254 [ 65.490149][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.491186][ T5229] el0_svc+0x18c/0x260 [ 65.492000][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.492975][ T5229] el0t_64_sync+0x198/0x19c [ 65.493820][ T5229] irq event stamp: 571804 [ 65.494666][ T5229] hardirqs last enabled at (571803): [] finish_task_switch+0x22c/0x768 [ 65.496609][ T5229] hardirqs last disabled at (571804): [] el1_brk64+0x20/0x54 [ 65.498345][ T5229] softirqs last enabled at (571794): [] kernel_neon_begin+0x294/0x3fc [ 65.500207][ T5229] softirqs last disabled at (571792): [] kernel_neon_begin+0x11c/0x3fc [ 65.502093][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 65.544774][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.544892][ T5229] ------------[ cut here ]------------ [ 65.544897][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 65.550893][ T5229] Modules linked in: [ 65.551656][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.553754][ T5229] Tainted: [W]=WARN [ 65.554486][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 65.556477][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 65.558011][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 65.559264][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 65.560499][ T5229] sp : ffff800094877060 [ 65.561281][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 65.562785][ T5229] x26: ffff0000e29f7258 x25: ffff0000e29f7280 x24: ffff800088a09b80 [ 65.564381][ T5229] x23: ffff0000ddc36000 x22: 000000000000feeb x21: ffff0000ddc36068 [ 65.565951][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 65.567561][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 65.569152][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 65.570749][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.572350][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 65.573943][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 65.575608][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.577217][ T5229] Call trace: [ 65.577864][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.579167][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.580215][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.581404][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.582502][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.583559][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.584405][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.585308][ T5229] sync_lazytime+0x1a8/0x68c [ 65.586143][ T5229] iput+0x1cc/0xb90 [ 65.586858][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.587844][ T5229] __dentry_kill+0x170/0x5fc [ 65.588728][ T5229] shrink_kill+0xe8/0x318 [ 65.589576][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.590535][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.591481][ T5229] do_one_tree+0x24/0x58 [ 65.592294][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.593352][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.594362][ T5229] kill_block_super+0x44/0x90 [ 65.595262][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.596111][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.597143][ T5229] deactivate_super+0xd8/0xf8 [ 65.598055][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.598903][ T5229] __cleanup_mnt+0x20/0x30 [ 65.599759][ T5229] task_work_run+0x1c4/0x254 [ 65.600663][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.601695][ T5229] el0_svc+0x18c/0x260 [ 65.602478][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.603462][ T5229] el0t_64_sync+0x198/0x19c [ 65.604318][ T5229] irq event stamp: 576938 [ 65.605186][ T5229] hardirqs last enabled at (576937): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 65.607252][ T5229] hardirqs last disabled at (576938): [] el1_brk64+0x20/0x54 [ 65.609039][ T5229] softirqs last enabled at (576930): [] kernel_neon_begin+0x294/0x3fc [ 65.610863][ T5229] softirqs last disabled at (576928): [] kernel_neon_begin+0x11c/0x3fc [ 65.612782][ T5229] ---[ end trace 0000000000000000 ]--- [ 65.661807][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.664676][ T5229] ------------[ cut here ]------------ [ 65.664688][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 65.667652][ T5229] Modules linked in: [ 65.668355][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.670596][ T5229] Tainted: [W]=WARN [ 65.671358][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 65.673387][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 65.674974][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 65.676289][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 65.677592][ T5229] sp : ffff800094877060 [ 65.678428][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 65.680026][ T5229] x26: ffff0000e297e900 x25: ffff0000e297e928 x24: ffff800088a09b80 [ 65.681702][ T5229] x23: ffff0000da0c4000 x22: 000000000000feeb x21: ffff0000da0c4068 [ 65.683319][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 65.684883][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 65.686517][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 65.688119][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.689741][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 65.691328][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 65.692997][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.694608][ T5229] Call trace: [ 65.695277][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.696599][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.697661][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.698813][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.699893][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.700958][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.701907][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.702903][ T5229] sync_lazytime+0x1a8/0x68c [ 65.703804][ T5229] iput+0x1cc/0xb90 [ 65.704557][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.705568][ T5229] __dentry_kill+0x170/0x5fc [ 65.706433][ T5229] shrink_kill+0xe8/0x318 [ 65.707276][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.708237][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.709228][ T5229] do_one_tree+0x24/0x58 [ 65.710023][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.711088][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.712143][ T5229] kill_block_super+0x44/0x90 [ 65.713063][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.713937][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.714984][ T5229] deactivate_super+0xd8/0xf8 [ 65.715912][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.716787][ T5229] __cleanup_mnt+0x20/0x30 [ 65.717644][ T5229] task_work_run+0x1c4/0x254 [ 65.718534][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.719612][ T5229] el0_svc+0x18c/0x260 [ 65.720422][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.721423][ T5229] el0t_64_sync+0x198/0x19c [ 65.722316][ T5229] irq event stamp: 581988 [ 65.723163][ T5229] hardirqs last enabled at (581987): [] finish_task_switch+0x22c/0x768 [ 65.725118][ T5229] hardirqs last disabled at (581988): [] el1_brk64+0x20/0x54 [ 65.726895][ T5229] softirqs last enabled at (581978): [] kernel_neon_begin+0x294/0x3fc [ 65.728874][ T5229] softirqs last disabled at (581976): [] kernel_neon_begin+0x11c/0x3fc [ 65.730864][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 65.764996][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.765111][ T5229] ------------[ cut here ]------------ [ 65.765116][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 65.770487][ T5229] Modules linked in: [ 65.771292][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.773363][ T5229] Tainted: [W]=WARN [ 65.774089][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 65.775966][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 65.777524][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 65.778761][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 65.780004][ T5229] sp : ffff800094877060 [ 65.780805][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 65.782377][ T5229] x26: ffff0000e2bd8b90 x25: ffff0000e2bd8bb8 x24: ffff800088a09b80 [ 65.783969][ T5229] x23: ffff0000d72aa000 x22: 000000000000feeb x21: ffff0000d72aa068 [ 65.785516][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 65.787092][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 65.788679][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 65.790166][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.791676][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 65.793149][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 65.794663][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.796118][ T5229] Call trace: [ 65.796719][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.797925][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.798886][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.799944][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.800951][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.801927][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.802765][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.803678][ T5229] sync_lazytime+0x1a8/0x68c [ 65.804498][ T5229] iput+0x1cc/0xb90 [ 65.805188][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.806124][ T5229] __dentry_kill+0x170/0x5fc [ 65.806951][ T5229] shrink_kill+0xe8/0x318 [ 65.807737][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.808632][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.809574][ T5229] do_one_tree+0x24/0x58 [ 65.810360][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.811336][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.812324][ T5229] kill_block_super+0x44/0x90 [ 65.813194][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.813995][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.814973][ T5229] deactivate_super+0xd8/0xf8 [ 65.815822][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.816620][ T5229] __cleanup_mnt+0x20/0x30 [ 65.817422][ T5229] task_work_run+0x1c4/0x254 [ 65.818225][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.819196][ T5229] el0_svc+0x18c/0x260 [ 65.819953][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.820881][ T5229] el0t_64_sync+0x198/0x19c [ 65.821712][ T5229] irq event stamp: 587480 [ 65.822521][ T5229] hardirqs last enabled at (587479): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 65.824520][ T5229] hardirqs last disabled at (587480): [] el1_brk64+0x20/0x54 [ 65.826207][ T5229] softirqs last enabled at (587472): [] kernel_neon_begin+0x294/0x3fc [ 65.828083][ T5229] softirqs last disabled at (587470): [] kernel_neon_begin+0x11c/0x3fc [ 65.829945][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 65.875420][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.875533][ T5229] ------------[ cut here ]------------ [ 65.875538][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 65.881691][ T5229] Modules linked in: [ 65.882500][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.884663][ T5229] Tainted: [W]=WARN [ 65.885410][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 65.887407][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 65.888974][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 65.890287][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 65.891571][ T5229] sp : ffff800094877060 [ 65.892400][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 65.894027][ T5229] x26: ffff0000f067dfa8 x25: ffff0000f067dfd0 x24: ffff800088a09b80 [ 65.895613][ T5229] x23: ffff0000da38e000 x22: 000000000000feeb x21: ffff0000da38e068 [ 65.897194][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 65.898820][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 65.900437][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 65.902023][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 65.903636][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 65.905206][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 65.906806][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 65.908436][ T5229] Call trace: [ 65.909099][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 65.910403][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 65.911451][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 65.912569][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 65.913654][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 65.914719][ T5229] ext4_dirty_inode+0xd4/0x104 [ 65.915619][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 65.916588][ T5229] sync_lazytime+0x1a8/0x68c [ 65.917477][ T5229] iput+0x1cc/0xb90 [ 65.918233][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 65.919241][ T5229] __dentry_kill+0x170/0x5fc [ 65.920149][ T5229] shrink_kill+0xe8/0x318 [ 65.921004][ T5229] shrink_dentry_list+0x154/0x2a4 [ 65.922001][ T5229] shrink_dcache_tree+0x40c/0x570 [ 65.922986][ T5229] do_one_tree+0x24/0x58 [ 65.923812][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 65.924872][ T5229] generic_shutdown_super+0x70/0x2b8 [ 65.925925][ T5229] kill_block_super+0x44/0x90 [ 65.926867][ T5229] ext4_kill_sb+0x68/0xa4 [ 65.927730][ T5229] deactivate_locked_super+0xc4/0x140 [ 65.928786][ T5229] deactivate_super+0xd8/0xf8 [ 65.929708][ T5229] cleanup_mnt+0x328/0x3b8 [ 65.930589][ T5229] __cleanup_mnt+0x20/0x30 [ 65.931459][ T5229] task_work_run+0x1c4/0x254 [ 65.932367][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 65.933414][ T5229] el0_svc+0x18c/0x260 [ 65.934226][ T5229] el0t_64_sync_handler+0x48/0x148 [ 65.935222][ T5229] el0t_64_sync+0x198/0x19c [ 65.936118][ T5229] irq event stamp: 592784 [ 65.936951][ T5229] hardirqs last enabled at (592783): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 65.939033][ T5229] hardirqs last disabled at (592784): [] el1_brk64+0x20/0x54 [ 65.940790][ T5229] softirqs last enabled at (592776): [] kernel_neon_begin+0x294/0x3fc [ 65.942759][ T5229] softirqs last disabled at (592774): [] kernel_neon_begin+0x11c/0x3fc [ 65.944689][ T5229] ---[ end trace 0000000000000000 ]--- [ 65.988806][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 65.991596][ T5229] ------------[ cut here ]------------ [ 65.991608][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 65.994891][ T5229] Modules linked in: [ 65.995697][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 65.997842][ T5229] Tainted: [W]=WARN [ 65.998549][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.000491][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.002028][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.003318][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.004638][ T5229] sp : ffff800094877060 [ 66.005507][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.007215][ T5229] x26: ffff0000e2b37258 x25: ffff0000e2b37280 x24: ffff800088a09b80 [ 66.008904][ T5229] x23: ffff0000c1d20000 x22: 000000000000feeb x21: ffff0000c1d20068 [ 66.010588][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 66.012267][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 66.013897][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 66.015525][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.017152][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 66.018826][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 66.020457][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.022047][ T5229] Call trace: [ 66.022728][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.024079][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.025175][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.026366][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.027532][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.028651][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.029621][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.030625][ T5229] sync_lazytime+0x1a8/0x68c [ 66.031550][ T5229] iput+0x1cc/0xb90 [ 66.032333][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.033413][ T5229] __dentry_kill+0x170/0x5fc [ 66.034357][ T5229] shrink_kill+0xe8/0x318 [ 66.035243][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.036273][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.037302][ T5229] do_one_tree+0x24/0x58 [ 66.038124][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.039197][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.040228][ T5229] kill_block_super+0x44/0x90 [ 66.041165][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.042046][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.043112][ T5229] deactivate_super+0xd8/0xf8 [ 66.044067][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.044944][ T5229] __cleanup_mnt+0x20/0x30 [ 66.045826][ T5229] task_work_run+0x1c4/0x254 [ 66.046765][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.047837][ T5229] el0_svc+0x18c/0x260 [ 66.048628][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.049650][ T5229] el0t_64_sync+0x198/0x19c [ 66.050536][ T5229] irq event stamp: 597666 [ 66.051363][ T5229] hardirqs last enabled at (597665): [] finish_task_switch+0x22c/0x768 [ 66.053319][ T5229] hardirqs last disabled at (597666): [] el1_brk64+0x20/0x54 [ 66.055269][ T5229] softirqs last enabled at (597656): [] kernel_neon_begin+0x294/0x3fc [ 66.057354][ T5229] softirqs last disabled at (597654): [] kernel_neon_begin+0x11c/0x3fc [ 66.059293][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 66.087355][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.087471][ T5229] ------------[ cut here ]------------ [ 66.087476][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 66.093761][ T5229] Modules linked in: [ 66.094554][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.096617][ T5229] Tainted: [W]=WARN [ 66.097381][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.099344][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.100853][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.102086][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.103351][ T5229] sp : ffff800094877060 [ 66.104191][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.105811][ T5229] x26: ffff0000ed854cf8 x25: ffff0000ed854d20 x24: ffff800088a09b80 [ 66.107429][ T5229] x23: ffff0000dbf42000 x22: 000000000000feeb x21: ffff0000dbf42068 [ 66.109118][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 0000000000000000 [ 66.110760][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 66.112379][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 66.114068][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.115744][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 66.117402][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 66.119019][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.120656][ T5229] Call trace: [ 66.121323][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.122653][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.123716][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.124917][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.126096][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.127232][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.128211][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.129282][ T5229] sync_lazytime+0x1a8/0x68c [ 66.130211][ T5229] iput+0x1cc/0xb90 [ 66.131007][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.132060][ T5229] __dentry_kill+0x170/0x5fc [ 66.133008][ T5229] shrink_kill+0xe8/0x318 [ 66.133910][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.134898][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.135895][ T5229] do_one_tree+0x24/0x58 [ 66.136725][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.137788][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.138829][ T5229] kill_block_super+0x44/0x90 [ 66.139770][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.140679][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.141727][ T5229] deactivate_super+0xd8/0xf8 [ 66.142657][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.143496][ T5229] __cleanup_mnt+0x20/0x30 [ 66.144429][ T5229] task_work_run+0x1c4/0x254 [ 66.145335][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.146465][ T5229] el0_svc+0x18c/0x260 [ 66.147350][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.148391][ T5229] el0t_64_sync+0x198/0x19c [ 66.149308][ T5229] irq event stamp: 602568 [ 66.150168][ T5229] hardirqs last enabled at (602567): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 66.152220][ T5229] hardirqs last disabled at (602568): [] el1_brk64+0x20/0x54 [ 66.154045][ T5229] softirqs last enabled at (602560): [] kernel_neon_begin+0x294/0x3fc [ 66.156035][ T5229] softirqs last disabled at (602558): [] kernel_neon_begin+0x11c/0x3fc [ 66.158006][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 66.208712][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.208832][ T5229] ------------[ cut here ]------------ [ 66.208837][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 66.215126][ T5229] Modules linked in: [ 66.215862][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.217918][ T5229] Tainted: [W]=WARN [ 66.218682][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.220756][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.222367][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.223665][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.225016][ T5229] sp : ffff800094877060 [ 66.225831][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.227471][ T5229] x26: ffff0000e28ba798 x25: ffff0000e28ba7c0 x24: ffff800088a09b80 [ 66.228897][ T5229] x23: ffff0000c53f4000 x22: 000000000000feeb x21: ffff0000c53f4068 [ 66.230477][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 66.232090][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 66.233698][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 66.235367][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.236911][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 66.238596][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 66.240266][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.241925][ T5229] Call trace: [ 66.242570][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.243850][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.244929][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.246112][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.247210][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.248288][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.249274][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.250309][ T5229] sync_lazytime+0x1a8/0x68c [ 66.251205][ T5229] iput+0x1cc/0xb90 [ 66.251946][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.252998][ T5229] __dentry_kill+0x170/0x5fc [ 66.253903][ T5229] shrink_kill+0xe8/0x318 [ 66.254797][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.255778][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.256798][ T5229] do_one_tree+0x24/0x58 [ 66.257631][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.258721][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.259771][ T5229] kill_block_super+0x44/0x90 [ 66.260716][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.261608][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.262712][ T5229] deactivate_super+0xd8/0xf8 [ 66.263691][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.264624][ T5229] __cleanup_mnt+0x20/0x30 [ 66.265558][ T5229] task_work_run+0x1c4/0x254 [ 66.266530][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.267673][ T5229] el0_svc+0x18c/0x260 [ 66.268497][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.269521][ T5229] el0t_64_sync+0x198/0x19c [ 66.270422][ T5229] irq event stamp: 607746 [ 66.271286][ T5229] hardirqs last enabled at (607745): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 66.273454][ T5229] hardirqs last disabled at (607746): [] el1_brk64+0x20/0x54 [ 66.275317][ T5229] softirqs last enabled at (607738): [] kernel_neon_begin+0x294/0x3fc [ 66.277354][ T5229] softirqs last disabled at (607736): [] kernel_neon_begin+0x11c/0x3fc [ 66.279337][ T5229] ---[ end trace 0000000000000000 ]--- [ 66.316474][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.318879][ T5229] ------------[ cut here ]------------ [ 66.318887][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 66.321953][ T5229] Modules linked in: [ 66.322661][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.324556][ T5229] Tainted: [W]=WARN [ 66.325245][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.327095][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.328555][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.329795][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.330997][ T5229] sp : ffff800094877060 [ 66.331771][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.333317][ T5229] x26: ffff0000ed853a48 x25: ffff0000ed853a70 x24: ffff800088a09b80 [ 66.334780][ T5229] x23: ffff0000ce75e000 x22: 000000000000feeb x21: ffff0000ce75e068 [ 66.336212][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 66.337681][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 66.339151][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 66.340594][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.342012][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 66.343485][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 66.344955][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.346438][ T5229] Call trace: [ 66.347127][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.348342][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.349359][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.350480][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.351567][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.352606][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.353529][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.354529][ T5229] sync_lazytime+0x1a8/0x68c [ 66.355430][ T5229] iput+0x1cc/0xb90 [ 66.356177][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.357177][ T5229] __dentry_kill+0x170/0x5fc [ 66.358103][ T5229] shrink_kill+0xe8/0x318 [ 66.358997][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.360027][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.361059][ T5229] do_one_tree+0x24/0x58 [ 66.361919][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.362964][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.364020][ T5229] kill_block_super+0x44/0x90 [ 66.364932][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.365771][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.366754][ T5229] deactivate_super+0xd8/0xf8 [ 66.367647][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.368515][ T5229] __cleanup_mnt+0x20/0x30 [ 66.369366][ T5229] task_work_run+0x1c4/0x254 [ 66.370264][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.371283][ T5229] el0_svc+0x18c/0x260 [ 66.372056][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.373057][ T5229] el0t_64_sync+0x198/0x19c [ 66.373929][ T5229] irq event stamp: 612836 [ 66.374738][ T5229] hardirqs last enabled at (612835): [] finish_task_switch+0x22c/0x768 [ 66.376633][ T5229] hardirqs last disabled at (612836): [] el1_brk64+0x20/0x54 [ 66.378363][ T5229] softirqs last enabled at (612826): [] kernel_neon_begin+0x294/0x3fc [ 66.380270][ T5229] softirqs last disabled at (612824): [] kernel_neon_begin+0x11c/0x3fc [ 66.382140][ T5229] ---[ end trace 0000000000000000 ]--- [ 66.412971][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.415429][ T5229] ------------[ cut here ]------------ [ 66.415439][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 66.418617][ T5229] Modules linked in: [ 66.419361][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.421398][ T5229] Tainted: [W]=WARN [ 66.422104][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.424138][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.425684][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.426943][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.428174][ T5229] sp : ffff800094877060 [ 66.428956][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.430558][ T5229] x26: ffff0000e28b8238 x25: ffff0000e28b8260 x24: ffff800088a09b80 [ 66.432218][ T5229] x23: ffff0000ce6f0000 x22: 000000000000feeb x21: ffff0000ce6f0068 [ 66.433764][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 66.435342][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 66.436901][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 66.438464][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.440046][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 66.441622][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 66.443238][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.444828][ T5229] Call trace: [ 66.445461][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.446817][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.447869][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.449023][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.450154][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.451217][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.452182][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.453136][ T5229] sync_lazytime+0x1a8/0x68c [ 66.454003][ T5229] iput+0x1cc/0xb90 [ 66.454721][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.455720][ T5229] __dentry_kill+0x170/0x5fc [ 66.456622][ T5229] shrink_kill+0xe8/0x318 [ 66.457494][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.458497][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.459487][ T5229] do_one_tree+0x24/0x58 [ 66.460336][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.461390][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.462404][ T5229] kill_block_super+0x44/0x90 [ 66.463325][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.464157][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.465188][ T5229] deactivate_super+0xd8/0xf8 [ 66.466157][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.467009][ T5229] __cleanup_mnt+0x20/0x30 [ 66.467844][ T5229] task_work_run+0x1c4/0x254 [ 66.468772][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.469807][ T5229] el0_svc+0x18c/0x260 [ 66.470595][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.471575][ T5229] el0t_64_sync+0x198/0x19c [ 66.472441][ T5229] irq event stamp: 617916 [ 66.473259][ T5229] hardirqs last enabled at (617915): [] finish_task_switch+0x22c/0x768 [ 66.475280][ T5229] hardirqs last disabled at (617916): [] el1_brk64+0x20/0x54 [ 66.477080][ T5229] softirqs last enabled at (617906): [] kernel_neon_begin+0x294/0x3fc [ 66.479059][ T5229] softirqs last disabled at (617904): [] kernel_neon_begin+0x11c/0x3fc [ 66.480913][ T5229] ---[ end trace 0000000000000000 ]--- [ 66.505578][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.507786][ T5229] ------------[ cut here ]------------ [ 66.507796][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 66.510769][ T5229] Modules linked in: [ 66.511527][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.513427][ T5229] Tainted: [W]=WARN [ 66.514127][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.515930][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.517363][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.518549][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.519728][ T5229] sp : ffff800094877060 [ 66.520461][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.521871][ T5229] x26: ffff0000ed8514e8 x25: ffff0000ed851510 x24: ffff800088a09b80 [ 66.523322][ T5229] x23: ffff0000c64be000 x22: 000000000000feeb x21: ffff0000c64be068 [ 66.524788][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 66.526239][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 66.527710][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 66.529131][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.530636][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 66.532112][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 66.533602][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.535164][ T5229] Call trace: [ 66.535786][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.536980][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.537939][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.539030][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.540098][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.541105][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.542000][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.542992][ T5229] sync_lazytime+0x1a8/0x68c [ 66.543857][ T5229] iput+0x1cc/0xb90 [ 66.544574][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.545518][ T5229] __dentry_kill+0x170/0x5fc [ 66.546405][ T5229] shrink_kill+0xe8/0x318 [ 66.547218][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.548187][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.549173][ T5229] do_one_tree+0x24/0x58 [ 66.550007][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.551039][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.552056][ T5229] kill_block_super+0x44/0x90 [ 66.552934][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.553761][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.554735][ T5229] deactivate_super+0xd8/0xf8 [ 66.555619][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.556490][ T5229] __cleanup_mnt+0x20/0x30 [ 66.557309][ T5229] task_work_run+0x1c4/0x254 [ 66.558144][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.559135][ T5229] el0_svc+0x18c/0x260 [ 66.559910][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.560888][ T5229] el0t_64_sync+0x198/0x19c [ 66.561712][ T5229] irq event stamp: 622916 [ 66.562532][ T5229] hardirqs last enabled at (622915): [] finish_task_switch+0x22c/0x768 [ 66.564430][ T5229] hardirqs last disabled at (622916): [] el1_brk64+0x20/0x54 [ 66.566169][ T5229] softirqs last enabled at (622906): [] kernel_neon_begin+0x294/0x3fc [ 66.568036][ T5229] softirqs last disabled at (622904): [] kernel_neon_begin+0x11c/0x3fc [ 66.569936][ T5229] ---[ end trace 0000000000000000 ]--- [ 66.604135][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.606406][ T5229] ------------[ cut here ]------------ [ 66.606414][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 66.609372][ T5229] Modules linked in: [ 66.610171][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.612124][ T5229] Tainted: [W]=WARN [ 66.612871][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.614827][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.616396][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.617679][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.618950][ T5229] sp : ffff800094877060 [ 66.619784][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.621411][ T5229] x26: ffff0000e2adc3a0 x25: ffff0000e2adc3c8 x24: ffff800088a09b80 [ 66.623027][ T5229] x23: ffff0000c77b6000 x22: 000000000000feeb x21: ffff0000c77b6068 [ 66.624629][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 66.626291][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 66.627938][ T5229] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 66.629564][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.631202][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 66.632783][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 66.634278][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.635831][ T5229] Call trace: [ 66.636469][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.637727][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.638790][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.639962][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.641070][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.642141][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.643050][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.644038][ T5229] sync_lazytime+0x1a8/0x68c [ 66.644938][ T5229] iput+0x1cc/0xb90 [ 66.645564][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.646436][ T5229] __dentry_kill+0x170/0x5fc [ 66.647233][ T5229] shrink_kill+0xe8/0x318 [ 66.647987][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.648870][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.649729][ T5229] do_one_tree+0x24/0x58 [ 66.650465][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.651406][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.652308][ T5229] kill_block_super+0x44/0x90 [ 66.653088][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.653894][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.654917][ T5229] deactivate_super+0xd8/0xf8 [ 66.655825][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.656685][ T5229] __cleanup_mnt+0x20/0x30 [ 66.657526][ T5229] task_work_run+0x1c4/0x254 [ 66.658395][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.659394][ T5229] el0_svc+0x18c/0x260 [ 66.660115][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.661051][ T5229] el0t_64_sync+0x198/0x19c [ 66.661870][ T5229] irq event stamp: 628578 [ 66.662639][ T5229] hardirqs last enabled at (628577): [] finish_task_switch+0x22c/0x768 [ 66.664526][ T5229] hardirqs last disabled at (628578): [] el1_brk64+0x20/0x54 [ 66.666177][ T5229] softirqs last enabled at (628568): [] kernel_neon_begin+0x294/0x3fc [ 66.668042][ T5229] softirqs last disabled at (628566): [] kernel_neon_begin+0x11c/0x3fc [ 66.669858][ T5229] ---[ end trace 0000000000000000 ]--- [ 66.707707][ T5229] EXT4-fs warning (dev ** replaying previous printk message ** [ 66.707707][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.708482][ T5229] ------------[ cut here ]------------ [ 66.708490][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 66.714874][ T5229] Modules linked in: [ 66.715649][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.717798][ T5229] Tainted: [W]=WARN [ 66.718593][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.720594][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.722108][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.723392][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.724671][ T5229] sp : ffff800094877060 [ 66.725479][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.727065][ T5229] x26: ffff0000f0753a48 x25: ffff0000f0753a70 x24: ffff800088a09b80 [ 66.728686][ T5229] x23: ffff0000c7602000 x22: 000000000000feeb x21: ffff0000c7602068 [ 66.730304][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 66.731919][ T5229] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 66.733527][ T5229] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 66.735189][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.736848][ T5229] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 66.738491][ T5229] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 66.740135][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.741782][ T5229] Call trace: [ 66.742457][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.743739][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.744790][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.745942][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.747079][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.748173][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.749186][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.750272][ T5229] sync_lazytime+0x1a8/0x68c [ 66.751228][ T5229] iput+0x1cc/0xb90 [ 66.752024][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.753041][ T5229] __dentry_kill+0x170/0x5fc [ 66.753971][ T5229] shrink_kill+0xe8/0x318 [ 66.754860][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.755899][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.756952][ T5229] do_one_tree+0x24/0x58 [ 66.757775][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.758944][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.760047][ T5229] kill_block_super+0x44/0x90 [ 66.761021][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.761856][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.762916][ T5229] deactivate_super+0xd8/0xf8 [ 66.763847][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.764739][ T5229] __cleanup_mnt+0x20/0x30 [ 66.765640][ T5229] task_work_run+0x1c4/0x254 [ 66.766581][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.767658][ T5229] el0_svc+0x18c/0x260 [ 66.768467][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.769493][ T5229] el0t_64_sync+0x198/0x19c [ 66.770391][ T5229] irq event stamp: 633766 [ 66.771249][ T5229] hardirqs last enabled at (633765): [] finish_task_switch+0x22c/0x768 [ 66.773158][ T5229] hardirqs last disabled at (633766): [] el1_brk64+0x20/0x54 [ 66.774906][ T5229] softirqs last enabled at (633756): [] kernel_neon_begin+0x294/0x3fc [ 66.776945][ T5229] softirqs last disabled at (633754): [] kernel_neon_begin+0x11c/0x3fc [ 66.778976][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 66.818402][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.818513][ T5229] ------------[ cut here ]------------ [ 66.818518][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 66.824876][ T5229] Modules linked in: [ 66.825673][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.827808][ T5229] Tainted: [W]=WARN [ 66.828587][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.830590][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.832141][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.833430][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.834743][ T5229] sp : ffff800094877060 [ 66.835598][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.837242][ T5229] x26: ffff0000e2ad9e40 x25: ffff0000e2ad9e68 x24: ffff800088a09b80 [ 66.838869][ T5229] x23: ffff0000dc3ec000 x22: 000000000000feeb x21: ffff0000dc3ec068 [ 66.840515][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 66.842170][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 66.843845][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 66.845341][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.846947][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 66.848579][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 66.850199][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.851880][ T5229] Call trace: [ 66.852517][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.853796][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.854872][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.855992][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.857098][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.858189][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.859136][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.860113][ T5229] sync_lazytime+0x1a8/0x68c [ 66.861000][ T5229] iput+0x1cc/0xb90 [ 66.861743][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.862754][ T5229] __dentry_kill+0x170/0x5fc [ 66.863627][ T5229] shrink_kill+0xe8/0x318 [ 66.864466][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.865426][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.866372][ T5229] do_one_tree+0x24/0x58 [ 66.867275][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.868407][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.869458][ T5229] kill_block_super+0x44/0x90 [ 66.870432][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.871301][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.872336][ T5229] deactivate_super+0xd8/0xf8 [ 66.873263][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.874129][ T5229] __cleanup_mnt+0x20/0x30 [ 66.875021][ T5229] task_work_run+0x1c4/0x254 [ 66.875894][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.876895][ T5229] el0_svc+0x18c/0x260 [ 66.877673][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.878653][ T5229] el0t_64_sync+0x198/0x19c [ 66.879562][ T5229] irq event stamp: 639398 [ 66.880448][ T5229] hardirqs last enabled at (639397): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 66.882475][ T5229] hardirqs last disabled at (639398): [] el1_brk64+0x20/0x54 [ 66.884220][ T5229] softirqs last enabled at (639390): [] kernel_neon_begin+0x294/0x3fc [ 66.886172][ T5229] softirqs last disabled at (639388): [] kernel_neon_begin+0x11c/0x3fc [ 66.888204][ T5229] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 66.934782][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 66.934897][ T5229] ------------[ cut here ]------------ [ 66.934901][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5229 [ 66.940822][ T5229] Modules linked in: [ 66.941592][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 66.943713][ T5229] Tainted: [W]=WARN [ 66.944485][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 66.946365][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 66.947813][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 66.949165][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 66.950427][ T5229] sp : ffff800094877060 [ 66.951227][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 66.952812][ T5229] x26: ffff0000f07514e8 x25: ffff0000f0751510 x24: ffff800088a09b80 [ 66.954359][ T5229] x23: ffff0000c9f22000 x22: 000000000000feeb x21: ffff0000c9f22068 [ 66.955909][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 66.957453][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 66.958983][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 66.960456][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 66.962025][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 66.963599][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 66.965180][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 66.966778][ T5229] Call trace: [ 66.967393][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 66.968661][ T5229] ext4_xattr_block_set+0x1c0/0x2188 [ 66.969639][ T5229] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 66.970713][ T5229] __ext4_expand_extra_isize+0x29c/0x370 [ 66.971787][ T5229] __ext4_mark_inode_dirty+0x3a4/0x810 [ 66.972786][ T5229] ext4_dirty_inode+0xd4/0x104 [ 66.973663][ T5229] __mark_inode_dirty+0x354/0x1a10 [ 66.974613][ T5229] sync_lazytime+0x1a8/0x68c [ 66.975483][ T5229] iput+0x1cc/0xb90 [ 66.976212][ T5229] dentry_unlink_inode+0x3a8/0x484 [ 66.977188][ T5229] __dentry_kill+0x170/0x5fc [ 66.978063][ T5229] shrink_kill+0xe8/0x318 [ 66.978875][ T5229] shrink_dentry_list+0x154/0x2a4 [ 66.979801][ T5229] shrink_dcache_tree+0x40c/0x570 [ 66.980751][ T5229] do_one_tree+0x24/0x58 [ 66.981561][ T5229] shrink_dcache_for_umount+0xa0/0x168 [ 66.982598][ T5229] generic_shutdown_super+0x70/0x2b8 [ 66.983568][ T5229] kill_block_super+0x44/0x90 [ 66.984457][ T5229] ext4_kill_sb+0x68/0xa4 [ 66.985290][ T5229] deactivate_locked_super+0xc4/0x140 [ 66.986327][ T5229] deactivate_super+0xd8/0xf8 [ 66.987212][ T5229] cleanup_mnt+0x328/0x3b8 [ 66.988014][ T5229] __cleanup_mnt+0x20/0x30 [ 66.988780][ T5229] task_work_run+0x1c4/0x254 [ 66.989606][ T5229] exit_to_user_mode_loop+0x10c/0x17c [ 66.990583][ T5229] el0_svc+0x18c/0x260 [ 66.991341][ T5229] el0t_64_sync_handler+0x48/0x148 [ 66.992258][ T5229] el0t_64_sync+0x198/0x19c [ 66.993092][ T5229] irq event stamp: 645144 [ 66.993894][ T5229] hardirqs last enabled at (645143): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 66.995772][ T5229] hardirqs last disabled at (645144): [] el1_brk64+0x20/0x54 [ 66.997431][ T5229] softirqs last enabled at (645136): [] kernel_neon_begin+0x294/0x3fc [ 66.999247][ T5229] softirqs last disabled at (645134): [] kernel_neon_begin+0x11c/0x3fc [ 67.001038][ T5229] ---[ end trace 0000000000000000 ]--- [ 6 ** replaying previous printk message ** [ 67.044393][ T5229] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 67.044516][ T5229] ------------[ cut here ]------------ [ 67.044520][ T5229] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5229 [ 67.050569][ T5229] Modules linked in: [ 67.051372][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 67.053499][ T5229] Tainted: [W]=WARN [ 67.054246][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 67.056228][ T5229] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 67.057843][ T5229] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 67.059169][ T5229] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 67.060466][ T5229] sp : ffff800094877060 [ 67.061307][ T5229] x29: ffff8000948771a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 67.062895][ T5229] x26: ffff0000e2adf258 x25: ffff0000e2adf280 x24: ffff800088a09b80 [ 67.064475][ T5229] x23: ffff0000ca4be000 x22: 000000000000feeb x21: ffff0000ca4be068 [ 67.066102][ T5229] x20: ffff70001290ee1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 67.067715][ T5229] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 67.069279][ T5229] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 67.070846][ T5229] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 909e896302ba0f00 [ 67.072379][ T5229] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 67.073963][ T5229] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 67.075512][ T5229] x2 : 0000000100000000 x1 : ffff0000da030000 x0 : 0000000000000066 [ 67.077151][ T5229] Call trace: [ 67.077795][ T5229] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 67.079082][ T5229] ext4_xattr_block_set+0x1c0/0x2188