[ 36.536361][ T3707] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.595774][ T3707] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.706401][ T3707] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.840631][ T3707] bridge_slave_1: left allmulticast mode [ 36.840669][ T3707] bridge_slave_1: left promiscuous mode [ 36.840746][ T3707] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.845533][ T3707] bridge_slave_0: left allmulticast mode [ 36.845561][ T3707] bridge_slave_0: left promiscuous mode [ 36.845743][ T3707] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.900382][ T3707] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 36.904643][ T3707] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 36.907610][ T3707] bond0 (unregistering): Released all slaves [ 37.021734][ T4405] 8021q: adding VLAN 0 to HW filter on device eth0 [ 37.151786][ T4405] 8021q: adding VLAN 0 to HW filter on device eth1 [ 37.186976][ T3707] hsr_slave_0: left promiscuous mode [ 37.188354][ T3707] hsr_slave_1: left promiscuous mode [ 37.189270][ T3707] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 37.189282][ T3707] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 37.192758][ T3707] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 37.194208][ T3707] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 37.198054][ T3707] veth1_macvtap: left promiscuous mode [ 37.198097][ T3707] veth0_macvtap: left promiscuous mode [ 37.198154][ T3707] veth1_vlan: left promiscuous mode [ 37.198226][ T3707] veth0_vlan: left promiscuous mode [ 37.293259][ T3707] team0 (unregistering): Port device team_slave_1 removed [ 37.296668][ T3707] team0 (unregistering): Port device team_slave_0 removed [ 37.342381][ T4405] 8021q: adding VLAN 0 to HW filter on device eth3 [ 37.457705][ T4405] 8021q: adding VLAN 0 to HW filter on device eth2 Warning: Permanently added '10.128.1.38' (ED25519) to the list of known hosts. 1970/01/01 00:00:42 parsed 1 programs [ 43.532234][ T5022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 45.604491][ T4809] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.605343][ T4809] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.605522][ T4809] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.605836][ T4809] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.606028][ T4809] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 46.164048][ T5072] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.164139][ T5072] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.164475][ T5072] bridge_slave_0: entered allmulticast mode [ 46.164924][ T5072] bridge_slave_0: entered promiscuous mode [ 46.166056][ T5072] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.166120][ T5072] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.166168][ T5072] bridge_slave_1: entered allmulticast mode [ 46.166550][ T5072] bridge_slave_1: entered promiscuous mode [ 46.191699][ T5072] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.192640][ T5072] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.199869][ T5072] team0: Port device team_slave_0 added [ 46.200559][ T5072] team0: Port device team_slave_1 added [ 46.207381][ T5072] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.207403][ T5072] 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. [ 46.207419][ T5072] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.207893][ T5072] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.207900][ T5072] 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. [ 46.207914][ T5072] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.224957][ T5072] hsr_slave_0: entered promiscuous mode [ 46.225289][ T5072] hsr_slave_1: entered promiscuous mode [ 46.570912][ T5072] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.574736][ T5072] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 46.576455][ T5072] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.578699][ T5072] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 46.580477][ T5072] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.582635][ T5072] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 46.585866][ T5072] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.588838][ T5072] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 46.615633][ T5072] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.621572][ T5072] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.631401][ T5072] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 46.635569][ T5072] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.639047][ T3707] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.639098][ T3707] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.639863][ T3707] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.639894][ T3707] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.733846][ T5072] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.751194][ T5072] veth0_vlan: entered promiscuous mode [ 46.755023][ T5072] veth1_vlan: entered promiscuous mode [ 46.760192][ T5072] veth0_macvtap: entered promiscuous mode [ 46.764684][ T5072] veth1_macvtap: entered promiscuous mode [ 46.768364][ T5072] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.770698][ T5072] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.802816][ T3707] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.804556][ T3707] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.805335][ T3707] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.805358][ T3707] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.876757][ T3782] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.892293][ T3707] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.892322][ T3707] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.901988][ T1167] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.902020][ T1167] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.937317][ T3782] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.989230][ T3782] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.054482][ T3782] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:47 executed programs: 0 [ 47.328550][ T4809] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.329163][ T4809] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.329348][ T4809] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.329648][ T4809] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.329851][ T4809] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.463912][ T5234] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.463998][ T5234] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.464099][ T5234] bridge_slave_0: entered allmulticast mode [ 47.464523][ T5234] bridge_slave_0: entered promiscuous mode [ 47.465357][ T5234] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.465411][ T5234] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.465458][ T5234] bridge_slave_1: entered allmulticast mode [ 47.465838][ T5234] bridge_slave_1: entered promiscuous mode [ 47.476724][ T5234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.477606][ T5234] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.484989][ T5234] team0: Port device team_slave_0 added [ 47.485696][ T5234] team0: Port device team_slave_1 added [ 47.492912][ T5234] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.492934][ T5234] 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. [ 47.492950][ T5234] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.493436][ T5234] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.493443][ T5234] 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. [ 47.493458][ T5234] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.515511][ T5234] hsr_slave_0: entered promiscuous mode [ 47.516515][ T5234] hsr_slave_1: entered promiscuous mode [ 47.516700][ T5234] debugfs: 'hsr0' already exists in 'hsr' [ 47.516710][ T5234] Cannot create hsr debugfs directory [ 49.362770][ T50] Bluetooth: hci0: command tx timeout [ 49.933723][ T3782] bridge_slave_1: left allmulticast mode [ 49.933758][ T3782] bridge_slave_1: left promiscuous mode [ 49.933953][ T3782] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.938612][ T3782] bridge_slave_0: left allmulticast mode [ 49.938639][ T3782] bridge_slave_0: left promiscuous mode [ 49.938708][ T3782] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.992645][ T3782] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.997500][ T3782] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.033646][ T3782] bond0 (unregistering): Released all slaves [ 50.089715][ T3782] hsr_slave_0: left promiscuous mode [ 50.089980][ T3782] hsr_slave_1: left promiscuous mode [ 50.090203][ T3782] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 50.090214][ T3782] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 50.091320][ T3782] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 50.091329][ T3782] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 50.097315][ T3782] veth1_macvtap: left promiscuous mode [ 50.097397][ T3782] veth0_macvtap: left promiscuous mode [ 50.097441][ T3782] veth1_vlan: left promiscuous mode [ 50.097473][ T3782] veth0_vlan: left promiscuous mode [ 50.189098][ T3782] team0 (unregistering): Port device team_slave_1 removed [ 50.192630][ T3782] team0 (unregistering): Port device team_slave_0 removed [ 50.233373][ T4405] 8021q: adding VLAN 0 to HW filter on device eth0 [ 50.575483][ T5234] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.578855][ T5234] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 50.580668][ T5234] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.582909][ T5234] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 50.584432][ T5234] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.586873][ T5234] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 50.587268][ T5234] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.589400][ T5234] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 50.616705][ T5234] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.620004][ T5234] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.622172][ T15] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.622202][ T15] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.631541][ T5234] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.631577][ T5234] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.636062][ T15] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.636102][ T15] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.782842][ T5234] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.793201][ T5234] veth0_vlan: entered promiscuous mode [ 50.797053][ T5234] veth1_vlan: entered promiscuous mode [ 50.803417][ T5234] veth0_macvtap: entered promiscuous mode [ 50.804403][ T5234] veth1_macvtap: entered promiscuous mode [ 50.840919][ T5234] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.843429][ T5234] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.865174][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.865204][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.873561][ T3707] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.873590][ T3707] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.883183][ T3707] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.884863][ T3707] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.886607][ T3707] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.888120][ T3707] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.922328][ T5325] loop0: detected capacity change from 0 to 1024 [ 50.945990][ T5325] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 50.951010][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.951139][ T5234] ------------[ cut here ]------------ [ 50.951144][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 50.956679][ T5234] Modules linked in: [ 50.957400][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Not tainted syzkaller #0 PREEMPT [ 50.959030][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 50.960764][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.962039][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 50.963186][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 50.964278][ T5234] sp : ffff800098ca6fc0 [ 50.965023][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e026baa8 [ 50.966460][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 50.967903][ T5234] x23: ffff0000d394e000 x22: 000000000000feeb x21: ffff0000e026ba80 [ 50.969308][ T5234] x20: ffff700013194e08 x19: ffff0000d394e068 x18: 00000000ffffffff [ 50.970780][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 50.972204][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 50.973609][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 50.975038][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 50.976433][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 50.977860][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 50.979306][ T5234] Call trace: [ 50.979931][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 50.981018][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 50.981938][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 50.982922][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 50.983920][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 50.984877][ T5234] ext4_dirty_inode+0xd8/0x114 [ 50.985710][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 50.986554][ T5234] sync_lazytime+0x1a8/0x694 [ 50.987299][ T5234] iput+0x1f0/0xc2c [ 50.987959][ T5234] dentry_unlink_inode+0x380/0x45c [ 50.988862][ T5234] dentry_kill+0x1dc/0x840 [ 50.989613][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 50.990500][ T5234] shrink_dcache_tree+0x13c/0x35c [ 50.991362][ T5234] do_one_tree+0x24/0x58 [ 50.992074][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 50.993071][ T5234] generic_shutdown_super+0x74/0x2c0 [ 50.993994][ T5234] kill_block_super+0x48/0x94 [ 50.994822][ T5234] ext4_kill_sb+0x68/0xa4 [ 50.995602][ T5234] deactivate_locked_super+0xcc/0x148 [ 50.996544][ T5234] deactivate_super+0xd8/0xf8 [ 50.997347][ T5234] cleanup_mnt+0x318/0x3a8 [ 50.998139][ T5234] __cleanup_mnt+0x20/0x30 [ 50.998942][ T5234] task_work_run+0x1cc/0x25c [ 50.999745][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.000682][ T5234] el0_svc+0x18c/0x260 [ 51.001415][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.002374][ T5234] el0t_64_sync+0x198/0x19c [ 51.003218][ T5234] irq event stamp: 141264 [ 51.003988][ T5234] hardirqs last enabled at (141263): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 51.005880][ T5234] hardirqs last disabled at (141264): [] el1_brk64+0x20/0x54 [ 51.007503][ T5234] softirqs last enabled at (141256): [] kernel_neon_begin+0x294/0x400 [ 51.009197][ T5234] softirqs last disabled at (141254): [] kernel_neon_begin+0x11c/0x400 [ 51.010808][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.013236][ T5234] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 12. Delete some EAs or run e2fsck. [ 51.019242][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.038888][ T5330] loop0: detected capacity change from 0 to 1024 [ 51.045571][ T5330] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.052236][ T5234] EXT4-fs warning (device loop0): ext4_xat ** replaying previous printk message ** [ 51.052236][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.053680][ T5234] ------------[ cut here ]------------ [ 51.053688][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 51.058761][ T5234] Modules linked in: [ 51.059433][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.061143][ T5234] Tainted: [W]=WARN [ 51.061695][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.063303][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.064602][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.065719][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.066847][ T5234] sp : ffff800098ca6fc0 [ 51.067564][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2b72e8 [ 51.068972][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.070415][ T5234] x23: ffff0000d2856000 x22: 000000000000feeb x21: ffff0000db2b72c0 [ 51.071854][ T5234] x20: ffff700013194e08 x19: ffff0000d2856068 x18: 1fffe00034bbbe28 [ 51.073210][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 51.074629][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 51.075998][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.077356][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.078757][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 51.080148][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.081544][ T5234] Call trace: [ 51.082142][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.083220][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.084063][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.085015][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.086025][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.087007][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.087846][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.088680][ T5234] sync_lazytime+0x1a8/0x694 [ 51.089404][ T5234] iput+0x1f0/0xc2c [ 51.090043][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.090905][ T5234] dentry_kill+0x1dc/0x840 [ 51.091609][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.092430][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.093291][ T5234] do_one_tree+0x24/0x58 [ 51.094029][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.095006][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.095881][ T5234] kill_block_super+0x48/0x94 [ 51.096707][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.097495][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.098376][ T5234] deactivate_super+0xd8/0xf8 [ 51.099199][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.100013][ T5234] __cleanup_mnt+0x20/0x30 [ 51.100790][ T5234] task_work_run+0x1cc/0x25c [ 51.101653][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.102645][ T5234] el0_svc+0x18c/0x260 [ 51.103368][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.104278][ T5234] el0t_64_sync+0x198/0x19c [ 51.105080][ T5234] irq event stamp: 146872 [ 51.105820][ T5234] hardirqs last enabled at (146871): [] finish_task_switch+0x234/0x858 [ 51.107452][ T5234] hardirqs last disabled at (146872): [] el1_brk64+0x20/0x54 [ 51.109018][ T5234] softirqs last enabled at (146862): [] kernel_neon_begin+0x294/0x400 [ 51.110590][ T5234] softirqs last disabled at (146860): [] kernel_neon_begin+0x11c/0x400 [ 51.112289][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.116676][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.131198][ T5334] loop0: detected capacity change from 0 to 1024 [ 51.147636][ T5334] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 51.155335][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.155450][ T5234] ------------[ cut here ]------------ [ 51.155454][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 51.160916][ T5234] Modules linked in: [ 51.161602][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.163637][ T5234] Tainted: [W]=WARN [ 51.164348][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.166222][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.167754][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.168902][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.170020][ T5234] sp : ffff800098ca6fc0 [ 51.170721][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2b4d68 [ 51.172124][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.173512][ T5234] x23: ffff0000d23c2000 x22: 000000000000feeb x21: ffff0000db2b4d40 [ 51.174885][ T5234] x20: ffff700013194e08 x19: ffff0000d23c2068 x18: 1fffe00034bbbe28 [ 51.176249][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.177641][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.179083][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.180475][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 51.181840][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 51.183274][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.184666][ T5234] Call trace: [ 51.185205][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.186318][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.187224][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.188174][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.189166][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.190094][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.190886][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.191770][ T5234] sync_lazytime+0x1a8/0x694 [ 51.192592][ T5234] iput+0x1f0/0xc2c [ 51.193255][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.194145][ T5234] dentry_kill+0x1dc/0x840 [ 51.194923][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.195806][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.196630][ T5234] do_one_tree+0x24/0x58 [ 51.197356][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.198367][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.199332][ T5234] kill_block_super+0x48/0x94 [ 51.200158][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.200912][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.201814][ T5234] deactivate_super+0xd8/0xf8 [ 51.202646][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.203435][ T5234] __cleanup_mnt+0x20/0x30 [ 51.204200][ T5234] task_work_run+0x1cc/0x25c [ 51.204996][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.205930][ T5234] el0_svc+0x18c/0x260 [ 51.206675][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.207567][ T5234] el0t_64_sync+0x198/0x19c [ 51.208362][ T5234] irq event stamp: 152258 [ 51.209126][ T5234] hardirqs last enabled at (152257): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 51.210907][ T5234] hardirqs last disabled at (152258): [] el1_brk64+0x20/0x54 [ 51.212457][ T5234] softirqs last enabled at (152250): [] kernel_neon_begin+0x294/0x400 [ 51.214199][ T5234] softirqs last disabled at (152248): [] kernel_neon_begin+0x11c/0x400 [ 51.215849][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.221349][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.235219][ T5338] loop0: detected capacity change from 0 to 1024 [ 51.244617][ T5338] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.250979][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.254411][ T5234] ------------[ cut here ]------------ [ 51.254423][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 51.257057][ T5234] Modules linked in: [ 51.257663][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.259400][ T5234] Tainted: [W]=WARN [ 51.259990][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.261713][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.262994][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.264155][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.265329][ T5234] sp : ffff800098ca6fc0 [ 51.266051][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2b27e8 [ 51.267412][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.268765][ T5234] x23: ffff0000c63fc000 x22: 000000000000feeb x21: ffff0000db2b27c0 [ 51.270091][ T5234] x20: ffff700013194e08 x19: ffff0000c63fc068 x18: 1fffe00034bb7428 [ 51.271446][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 51.272891][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 51.274313][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.275774][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.277249][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 51.278662][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.280093][ T5234] Call trace: [ 51.280670][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.281846][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.282874][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.283913][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.284909][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.285874][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.286697][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.287629][ T5234] sync_lazytime+0x1a8/0x694 [ 51.288402][ T5234] iput+0x1f0/0xc2c [ 51.289062][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.289943][ T5234] dentry_kill+0x1dc/0x840 [ 51.290666][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.291525][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.292378][ T5234] do_one_tree+0x24/0x58 [ 51.293118][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.294102][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.295079][ T5234] kill_block_super+0x48/0x94 [ 51.295959][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.296754][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.297720][ T5234] deactivate_super+0xd8/0xf8 [ 51.298556][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.299338][ T5234] __cleanup_mnt+0x20/0x30 [ 51.300155][ T5234] task_work_run+0x1cc/0x25c [ 51.301033][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.302015][ T5234] el0_svc+0x18c/0x260 [ 51.302720][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.303626][ T5234] el0t_64_sync+0x198/0x19c [ 51.304457][ T5234] irq event stamp: 158540 [ 51.305212][ T5234] hardirqs last enabled at (158539): [] finish_task_switch+0x234/0x858 [ 51.306925][ T5234] hardirqs last disabled at (158540): [] el1_brk64+0x20/0x54 [ 51.308491][ T5234] softirqs last enabled at (158530): [] kernel_neon_begin+0x294/0x400 [ 51.310172][ T5234] softirqs last disabled at (158528): [] kernel_neon_begin+0x11c/0x400 [ 51.311896][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.318190][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.331128][ T5342] loop0: detected capacity change from 0 to 1024 [ 51.336306][ T5342] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.340860][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.343141][ T5234] ------------[ cut here ]------------ [ 51.343152][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 51.345944][ T5234] Modules linked in: [ 51.346535][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.348205][ T5234] Tainted: [W]=WARN [ 51.348853][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.350425][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.351555][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.352593][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.353795][ T5234] sp : ffff800098ca6fc0 [ 51.354545][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2727e8 [ 51.356172][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.357796][ T5234] x23: ffff0000d44a4000 x22: 000000000000feeb x21: ffff0000db2727c0 [ 51.359517][ T5234] x20: ffff700013194e08 x19: ffff0000d44a4068 x18: 0000000000000000 [ 51.361063][ T5234] x17: ffff80011d2d8000 x16: ffff80008eb60000 x15: 0000000000000000 [ 51.362509][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 51.363906][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.365347][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.367025][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 51.368699][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.370109][ T5234] Call trace: [ 51.370654][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.371840][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.372735][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.373710][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.374670][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.375639][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.376451][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.377361][ T5234] sync_lazytime+0x1a8/0x694 [ 51.378161][ T5234] iput+0x1f0/0xc2c [ 51.378810][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.379706][ T5234] dentry_kill+0x1dc/0x840 [ 51.380481][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.381332][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.382163][ T5234] do_one_tree+0x24/0x58 [ 51.382855][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.383766][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.384665][ T5234] kill_block_super+0x48/0x94 [ 51.385447][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.386202][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.387091][ T5234] deactivate_super+0xd8/0xf8 [ 51.387858][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.388588][ T5234] __cleanup_mnt+0x20/0x30 [ 51.389311][ T5234] task_work_run+0x1cc/0x25c [ 51.390063][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.390940][ T5234] el0_svc+0x18c/0x260 [ 51.391639][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.392501][ T5234] el0t_64_sync+0x198/0x19c [ 51.393265][ T5234] irq event stamp: 164646 [ 51.394003][ T5234] hardirqs last enabled at (164645): [] finish_task_switch+0x234/0x858 [ 51.395713][ T5234] hardirqs last disabled at (164646): [] el1_brk64+0x20/0x54 [ 51.397321][ T5234] softirqs last enabled at (164636): [] kernel_neon_begin+0x294/0x400 [ 51.399017][ T5234] softirqs last disabled at (164634): [] kernel_neon_begin+0x11c/0x400 [ 51.400799][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.407225][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.427927][ T5346] loop0: detected capacity change from 0 to 1024 [ 51.432810][ T50] Bluetooth: hci0: command tx timeout [ 51.449973][ T5346] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.456831][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.459040][ T5234] ------------[ cut here ]------------ [ 51.459047][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 51.461678][ T5234] Modules linked in: [ 51.462378][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.464162][ T5234] Tainted: [W]=WARN [ 51.464789][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.466513][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.467923][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.469136][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.470280][ T5234] sp : ffff800098ca6fc0 [ 51.470967][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef169e88 [ 51.472376][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.473739][ T5234] x23: ffff0000d4d58000 x22: 000000000000feeb x21: ffff0000ef169e60 [ 51.475097][ T5234] x20: ffff700013194e08 x19: ffff0000d4d58068 x18: 1fffe00034bbbe28 [ 51.476479][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 51.477893][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 51.479361][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.480726][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.482169][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 51.483569][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.484897][ T5234] Call trace: [ 51.485416][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.486491][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.487387][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.488384][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.489343][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.490278][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.491102][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.491966][ T5234] sync_lazytime+0x1a8/0x694 [ 51.492802][ T5234] iput+0x1f0/0xc2c [ 51.493498][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.494437][ T5234] dentry_kill+0x1dc/0x840 [ 51.495265][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.496198][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.497049][ T5234] do_one_tree+0x24/0x58 [ 51.497785][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.498756][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.499651][ T5234] kill_block_super+0x48/0x94 [ 51.500449][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.501191][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.502123][ T5234] deactivate_super+0xd8/0xf8 [ 51.502912][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.503658][ T5234] __cleanup_mnt+0x20/0x30 [ 51.504391][ T5234] task_work_run+0x1cc/0x25c [ 51.505162][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.506074][ T5234] el0_svc+0x18c/0x260 [ 51.506737][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.507575][ T5234] el0t_64_sync+0x198/0x19c [ 51.508366][ T5234] irq event stamp: 170258 [ 51.509126][ T5234] hardirqs last enabled at (170257): [] finish_task_switch+0x234/0x858 [ 51.510756][ T5234] hardirqs last disabled at (170258): [] el1_brk64+0x20/0x54 [ 51.512224][ T5234] softirqs last enabled at (170248): [] kernel_neon_begin+0x294/0x400 [ 51.514043][ T5234] softirqs last disabled at (170246): [] kernel_neon_begin+0x11c/0x400 [ 51.515746][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.521225][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.535952][ T5350] loop0: detected capacity change from 0 to 1024 [ 51.546999][ T5350] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 51.555368][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.555487][ T5234] ------------[ cut here ]------------ [ 51.555491][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 51.560912][ T5234] Modules linked in: [ 51.561547][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.563224][ T5234] Tainted: [W]=WARN [ 51.563872][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.565535][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.566779][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.567913][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.569061][ T5234] sp : ffff800098ca6fc0 [ 51.569770][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2772e8 [ 51.571195][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.572574][ T5234] x23: ffff0000d76e0000 x22: 000000000000feeb x21: ffff0000db2772c0 [ 51.573938][ T5234] x20: ffff700013194e08 x19: ffff0000d76e0068 x18: 1fffe00034bb7428 [ 51.575277][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.576680][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.578091][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.579526][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 51.580947][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 51.582364][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.583780][ T5234] Call trace: [ 51.584360][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.585535][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.586506][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.587536][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.588497][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.589518][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.590348][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.591259][ T5234] sync_lazytime+0x1a8/0x694 [ 51.592061][ T5234] iput+0x1f0/0xc2c [ 51.592725][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.593628][ T5234] dentry_kill+0x1dc/0x840 [ 51.594400][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.595268][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.596122][ T5234] do_one_tree+0x24/0x58 [ 51.596860][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.597802][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.598715][ T5234] kill_block_super+0x48/0x94 [ 51.599551][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.600342][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.601314][ T5234] deactivate_super+0xd8/0xf8 [ 51.602137][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.602932][ T5234] __cleanup_mnt+0x20/0x30 [ 51.603741][ T5234] task_work_run+0x1cc/0x25c [ 51.604530][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.605497][ T5234] el0_svc+0x18c/0x260 [ 51.606191][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.607068][ T5234] el0t_64_sync+0x198/0x19c [ 51.607808][ T5234] irq event stamp: 176856 [ 51.608536][ T5234] hardirqs last enabled at (176855): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 51.610263][ T5234] hardirqs last disabled at (176856): [] el1_brk64+0x20/0x54 [ 51.611806][ T5234] softirqs last enabled at (176848): [] kernel_neon_begin+0x294/0x400 [ 51.613570][ T5234] softirqs last disabled at (176846): [] kernel_neon_begin+0x11c/0x400 [ 51.615236][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.620950][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.639461][ T5354] loop0: detected capacity change from 0 to 1024 [ 51.655147][ T5354] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.660503][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.662789][ T5234] ------------[ cut here ]------------ [ 51.662797][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 51.665518][ T5234] Modules linked in: [ 51.666209][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.668039][ T5234] Tainted: [W]=WARN [ 51.668680][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.670436][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.671764][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.672953][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.674124][ T5234] sp : ffff800098ca6fc0 [ 51.674885][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db270268 [ 51.676262][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.677654][ T5234] x23: ffff0000d54e8000 x22: 000000000000feeb x21: ffff0000db270240 [ 51.678993][ T5234] x20: ffff700013194e08 x19: ffff0000d54e8068 x18: 1fffe00034bbbe28 [ 51.680407][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 51.681753][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 51.683149][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.684535][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.686077][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 51.687436][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.688759][ T5234] Call trace: [ 51.689289][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.690402][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.691316][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.692290][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.693255][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.694226][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.695125][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.696067][ T5234] sync_lazytime+0x1a8/0x694 [ 51.696875][ T5234] iput+0x1f0/0xc2c [ 51.697532][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.698387][ T5234] dentry_kill+0x1dc/0x840 [ 51.699091][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.699970][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.700817][ T5234] do_one_tree+0x24/0x58 [ 51.701547][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.702498][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.703373][ T5234] kill_block_super+0x48/0x94 [ 51.704142][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.704870][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.705877][ T5234] deactivate_super+0xd8/0xf8 [ 51.706739][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.707537][ T5234] __cleanup_mnt+0x20/0x30 [ 51.708326][ T5234] task_work_run+0x1cc/0x25c [ 51.709125][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.709998][ T5234] el0_svc+0x18c/0x260 [ 51.710692][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.711573][ T5234] el0t_64_sync+0x198/0x19c [ 51.712313][ T5234] irq event stamp: 182758 [ 51.713064][ T5234] hardirqs last enabled at (182757): [] finish_task_switch+0x234/0x858 [ 51.714762][ T5234] hardirqs last disabled at (182758): [] el1_brk64+0x20/0x54 [ 51.716338][ T5234] softirqs last enabled at (182748): [] kernel_neon_begin+0x294/0x400 [ 51.718056][ T5234] softirqs last disabled at (182746): [] kernel_neon_begin+0x11c/0x400 [ 51.719736][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.726261][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.741517][ T5358] loop0: detected capacity change from 0 to 1024 [ 51.758927][ T5358] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 51.763008][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.763128][ T5234] ------------[ cut here ]------------ [ 51.763133][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 51.768342][ T5234] Modules linked in: [ 51.768985][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.770606][ T5234] Tainted: [W]=WARN [ 51.771177][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.772664][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.773995][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.775153][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.776320][ T5234] sp : ffff800098ca6fc0 [ 51.777071][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2756c8 [ 51.778533][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.780000][ T5234] x23: ffff0000d56a2000 x22: 000000000000feeb x21: ffff0000db2756a0 [ 51.781628][ T5234] x20: ffff700013194e08 x19: ffff0000d56a2068 x18: 1fffe00034bb7428 [ 51.783077][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.784496][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.785896][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.787262][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 51.788705][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 51.790131][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.791546][ T5234] Call trace: [ 51.792082][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.793192][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.794095][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.795117][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.796095][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.797023][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.797850][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.798744][ T5234] sync_lazytime+0x1a8/0x694 [ 51.799577][ T5234] iput+0x1f0/0xc2c [ 51.800221][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.801095][ T5234] dentry_kill+0x1dc/0x840 [ 51.801879][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.802775][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.803656][ T5234] do_one_tree+0x24/0x58 [ 51.804397][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.805334][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.806248][ T5234] kill_block_super+0x48/0x94 [ 51.807072][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.807820][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.808779][ T5234] deactivate_super+0xd8/0xf8 [ 51.809596][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.810345][ T5234] __cleanup_mnt+0x20/0x30 [ 51.811099][ T5234] task_work_run+0x1cc/0x25c [ 51.811906][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.812888][ T5234] el0_svc+0x18c/0x260 [ 51.813609][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.814521][ T5234] el0t_64_sync+0x198/0x19c [ 51.815293][ T5234] irq event stamp: 188154 [ 51.816024][ T5234] hardirqs last enabled at (188153): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 51.817753][ T5234] hardirqs last disabled at (188154): [] el1_brk64+0x20/0x54 [ 51.819269][ T5234] softirqs last enabled at (188146): [] kernel_neon_begin+0x294/0x400 [ 51.820882][ T5234] softirqs last disabled at (188144): [] kernel_neon_begin+0x11c/0x400 [ 51.822561][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.828014][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.846938][ T5362] loop0: detected capacity change from 0 to 1024 [ 51.857526][ T5362] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51 ** replaying previous printk message ** [ 51.864484][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.864597][ T5234] ------------[ cut here ]------------ [ 51.864601][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 51.869759][ T5234] Modules linked in: [ 51.870510][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.872314][ T5234] Tainted: [W]=WARN [ 51.872992][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.874729][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.875963][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.877128][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.878318][ T5234] sp : ffff800098ca6fc0 [ 51.879067][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3c1528 [ 51.880539][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.882002][ T5234] x23: ffff0000d3fc0000 x22: 000000000000feeb x21: ffff0000ef3c1500 [ 51.883478][ T5234] x20: ffff700013194e08 x19: ffff0000d3fc0068 x18: 00000000ffffffff [ 51.884814][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.886283][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.887642][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 51.888956][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 51.890379][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 51.891855][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 51.893257][ T5234] Call trace: [ 51.893849][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 51.895029][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 51.895976][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 51.897055][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 51.898099][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 51.899135][ T5234] ext4_dirty_inode+0xd8/0x114 [ 51.899997][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 51.900927][ T5234] sync_lazytime+0x1a8/0x694 [ 51.901703][ T5234] iput+0x1f0/0xc2c [ 51.902383][ T5234] dentry_unlink_inode+0x380/0x45c [ 51.903271][ T5234] dentry_kill+0x1dc/0x840 [ 51.904068][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 51.905003][ T5234] shrink_dcache_tree+0x13c/0x35c [ 51.905945][ T5234] do_one_tree+0x24/0x58 [ 51.906683][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 51.907581][ T5234] generic_shutdown_super+0x74/0x2c0 [ 51.908455][ T5234] kill_block_super+0x48/0x94 [ 51.909266][ T5234] ext4_kill_sb+0x68/0xa4 [ 51.909995][ T5234] deactivate_locked_super+0xcc/0x148 [ 51.911002][ T5234] deactivate_super+0xd8/0xf8 [ 51.911822][ T5234] cleanup_mnt+0x318/0x3a8 [ 51.912625][ T5234] __cleanup_mnt+0x20/0x30 [ 51.913438][ T5234] task_work_run+0x1cc/0x25c [ 51.914306][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 51.915223][ T5234] el0_svc+0x18c/0x260 [ 51.915974][ T5234] el0t_64_sync_handler+0x44/0x104 [ 51.916870][ T5234] el0t_64_sync+0x198/0x19c [ 51.917678][ T5234] irq event stamp: 193948 [ 51.918450][ T5234] hardirqs last enabled at (193947): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 51.920309][ T5234] hardirqs last disabled at (193948): [] el1_brk64+0x20/0x54 [ 51.921750][ T5234] softirqs last enabled at (193940): [] kernel_neon_begin+0x294/0x400 [ 51.923337][ T5234] softirqs last disabled at (193938): [] kernel_neon_begin+0x11c/0x400 [ 51.925100][ T5234] ---[ end trace 0000000000000000 ]--- [ 51.931437][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.968087][ T5366] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 51.976295][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.976401][ T5234] ------------[ cut here ]------------ [ 51.976405][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 51.981637][ T5234] Modules linked in: [ 51.982248][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.983979][ T5234] Tainted: [W]=WARN [ 51.984629][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 51.986411][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.987705][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 51.988890][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 51.990001][ T5234] sp : ffff800098ca6fc0 [ 51.990709][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef16f2e8 [ 51.992210][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 51.993644][ T5234] x23: ffff0000c9016000 x22: 000000000000feeb x21: ffff0000ef16f2c0 [ 51.995037][ T5234] x20: ffff700013194e08 x19: ffff0000c9016068 x18: 1fffe00034bbbe28 [ 51.996449][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.997865][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.999322][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.000809][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 52.002324][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 52.003762][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.005236][ T5234] Call trace: [ 52.005838][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.006967][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.007978][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.009033][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.010016][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.010982][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.011777][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.012680][ T5234] sync_lazytime+0x1a8/0x694 [ 52.013446][ T5234] iput+0x1f0/0xc2c [ 52.014106][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.015027][ T5234] dentry_kill+0x1dc/0x840 [ 52.015851][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.016766][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.017609][ T5234] do_one_tree+0x24/0x58 [ 52.018346][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.019327][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.020249][ T5234] kill_block_super+0x48/0x94 [ 52.021094][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.021848][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.022765][ T5234] deactivate_super+0xd8/0xf8 [ 52.023560][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.024308][ T5234] __cleanup_mnt+0x20/0x30 [ 52.025052][ T5234] task_work_run+0x1cc/0x25c [ 52.025856][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.026768][ T5234] el0_svc+0x18c/0x260 [ 52.027491][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.028363][ T5234] el0t_64_sync+0x198/0x19c [ 52.029132][ T5234] irq event stamp: 201762 [ 52.029909][ T5234] hardirqs last enabled at (201761): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 52.031649][ T5234] hardirqs last disabled at (201762): [] el1_brk64+0x20/0x54 [ 52.033239][ T5234] softirqs last enabled at (201754): [] kernel_neon_begin+0x294/0x400 [ 52.034914][ T5234] softirqs last disabled at (201752): [] kernel_neon_begin+0x11c/0x400 [ 52.036635][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.041097][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.078022][ T5370] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52. ** replaying previous printk message ** [ 52.082411][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.082530][ T5234] ------------[ cut here ]------------ [ 52.082534][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 52.088174][ T5234] Modules linked in: [ 52.088896][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.090922][ T5234] Tainted: [W]=WARN [ 52.091606][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.093436][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.094834][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.096016][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.097116][ T5234] sp : ffff800098ca6fc0 [ 52.097807][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef16cd68 [ 52.099160][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.100621][ T5234] x23: ffff0000da418000 x22: 000000000000feeb x21: ffff0000ef16cd40 [ 52.102084][ T5234] x20: ffff700013194e08 x19: ffff0000da418068 x18: 1fffe00034bbbe28 [ 52.103542][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.105028][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.106522][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.107911][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 52.109301][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 52.110713][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.112179][ T5234] Call trace: [ 52.112775][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.113909][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.114810][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.115781][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.116851][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.117838][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.118718][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.119630][ T5234] sync_lazytime+0x1a8/0x694 [ 52.120464][ T5234] iput+0x1f0/0xc2c [ 52.121144][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.122072][ T5234] dentry_kill+0x1dc/0x840 [ 52.122864][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.123719][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.124586][ T5234] do_one_tree+0x24/0x58 [ 52.125372][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.126369][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.127299][ T5234] kill_block_super+0x48/0x94 [ 52.128113][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.128861][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.129817][ T5234] deactivate_super+0xd8/0xf8 [ 52.130621][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.131379][ T5234] __cleanup_mnt+0x20/0x30 [ 52.132163][ T5234] task_work_run+0x1cc/0x25c [ 52.132925][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.133847][ T5234] el0_svc+0x18c/0x260 [ 52.134509][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.135362][ T5234] el0t_64_sync+0x198/0x19c [ 52.136135][ T5234] irq event stamp: 208726 [ 52.136813][ T5234] hardirqs last enabled at (208725): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 52.138594][ T5234] hardirqs last disabled at (208726): [] el1_brk64+0x20/0x54 [ 52.140042][ T5234] softirqs last enabled at (208718): [] kernel_neon_begin+0x294/0x400 [ 52.141621][ T5234] softirqs last disabled at (208716): [] kernel_neon_begin+0x11c/0x400 [ 52.143272][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.148047][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.186711][ T5374] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 52.191150][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.191259][ T5234] ------------[ cut here ]------------ [ 52.191263][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 52.196727][ T5234] Modules linked in: [ 52.197411][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.199213][ T5234] Tainted: [W]=WARN [ 52.199870][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.201525][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.202842][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.203993][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.205172][ T5234] sp : ffff800098ca6fc0 [ 52.205847][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ce17d6c8 [ 52.207246][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.208695][ T5234] x23: ffff0000d704e000 x22: 000000000000feeb x21: ffff0000ce17d6a0 [ 52.210102][ T5234] x20: ffff700013194e08 x19: ffff0000d704e068 x18: 1fffe00034bb7428 [ 52.211508][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.212966][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.214385][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.215817][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 52.217153][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 52.218518][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.219870][ T5234] Call trace: [ 52.220442][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.221523][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.222458][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.223446][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.224427][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.225441][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.226280][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.227171][ T5234] sync_lazytime+0x1a8/0x694 [ 52.227894][ T5234] iput+0x1f0/0xc2c [ 52.228495][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.229310][ T5234] dentry_kill+0x1dc/0x840 [ 52.230043][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.230869][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.231688][ T5234] do_one_tree+0x24/0x58 [ 52.232419][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.233367][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.234265][ T5234] kill_block_super+0x48/0x94 [ 52.235046][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.235797][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.236709][ T5234] deactivate_super+0xd8/0xf8 [ 52.237520][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.238300][ T5234] __cleanup_mnt+0x20/0x30 [ 52.239044][ T5234] task_work_run+0x1cc/0x25c [ 52.239872][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.240824][ T5234] el0_svc+0x18c/0x260 [ 52.241569][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.242429][ T5234] el0t_64_sync+0x198/0x19c [ 52.243214][ T5234] irq event stamp: 214126 [ 52.243933][ T5234] hardirqs last enabled at (214125): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 52.245642][ T5234] hardirqs last disabled at (214126): [] el1_brk64+0x20/0x54 [ 52.247188][ T5234] softirqs last enabled at (214118): [] kernel_neon_begin+0x294/0x400 [ 52.248858][ T5234] softirqs last disabled at (214116): [] kernel_neon_begin+0x11c/0x400 [ 52.250520][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.255635][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.274472][ T5378] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 52.280484][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.280604][ T5234] ------------[ cut here ]------------ [ 52.280609][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 52.286174][ T5234] Modules linked in: [ 52.286854][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.288706][ T5234] Tainted: [W]=WARN [ 52.289385][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.291176][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.292490][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.293624][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.294732][ T5234] sp : ffff800098ca6fc0 [ 52.295411][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3c72e8 [ 52.296851][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.298265][ T5234] x23: ffff0000c5db6000 x22: 000000000000feeb x21: ffff0000ef3c72c0 [ 52.299624][ T5234] x20: ffff700013194e08 x19: ffff0000c5db6068 x18: 1fffe00034bb7428 [ 52.300993][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.302425][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.303849][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.305239][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 52.306596][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 52.308004][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.309372][ T5234] Call trace: [ 52.309877][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.310986][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.311860][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.312870][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.313846][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.314762][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.315602][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.316476][ T5234] sync_lazytime+0x1a8/0x694 [ 52.317266][ T5234] iput+0x1f0/0xc2c [ 52.317960][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.318827][ T5234] dentry_kill+0x1dc/0x840 [ 52.319600][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.320482][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.321397][ T5234] do_one_tree+0x24/0x58 [ 52.322136][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.323070][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.323958][ T5234] kill_block_super+0x48/0x94 [ 52.324748][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.325470][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.326410][ T5234] deactivate_super+0xd8/0xf8 [ 52.327245][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.328009][ T5234] __cleanup_mnt+0x20/0x30 [ 52.328740][ T5234] task_work_run+0x1cc/0x25c [ 52.329531][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.330468][ T5234] el0_svc+0x18c/0x260 [ 52.331219][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.332193][ T5234] el0t_64_sync+0x198/0x19c [ 52.332973][ T5234] irq event stamp: 219410 [ 52.333737][ T5234] hardirqs last enabled at (219409): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 52.335528][ T5234] hardirqs last disabled at (219410): [] el1_brk64+0x20/0x54 [ 52.337149][ T5234] softirqs last enabled at (219402): [] kernel_neon_begin+0x294/0x400 [ 52.338888][ T5234] softirqs last disabled at (219400): [] kernel_neon_begin+0x11c/0x400 [ 52.340642][ T5234] ---[ end trace 0000000000000000 ]--- 1970/01/01 00:00:52 executed programs: 16 [ 52.356934][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.374689][ T5382] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.381435][ T5234] ** replaying previous printk message ** [ 52.381435][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.381801][ T5234] ------------[ cut here ]------------ [ 52.381807][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 52.387603][ T5234] Modules linked in: [ 52.388316][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.390283][ T5234] Tainted: [W]=WARN [ 52.390967][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.392805][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.394246][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.395437][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.396550][ T5234] sp : ffff800098ca6fc0 [ 52.397239][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3c4d68 [ 52.398584][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.399981][ T5234] x23: ffff0000c6096000 x22: 000000000000feeb x21: ffff0000ef3c4d40 [ 52.401386][ T5234] x20: ffff700013194e08 x19: ffff0000c6096068 x18: 1fffe00034bb7428 [ 52.402791][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 52.404204][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 52.405610][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.407011][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.408444][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 52.409893][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.411281][ T5234] Call trace: [ 52.411821][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.412981][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.413886][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.414866][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.415884][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.416820][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.417710][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.418689][ T5234] sync_lazytime+0x1a8/0x694 [ 52.419540][ T5234] iput+0x1f0/0xc2c [ 52.420268][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.421190][ T5234] dentry_kill+0x1dc/0x840 [ 52.421989][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.422896][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.423751][ T5234] do_one_tree+0x24/0x58 [ 52.424482][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.425471][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.426543][ T5234] kill_block_super+0x48/0x94 [ 52.427436][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.428201][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.429128][ T5234] deactivate_super+0xd8/0xf8 [ 52.429930][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.430695][ T5234] __cleanup_mnt+0x20/0x30 [ 52.431542][ T5234] task_work_run+0x1cc/0x25c [ 52.432385][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.433340][ T5234] el0_svc+0x18c/0x260 [ 52.434081][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.435008][ T5234] el0t_64_sync+0x198/0x19c [ 52.435824][ T5234] irq event stamp: 224030 [ 52.436641][ T5234] hardirqs last enabled at (224029): [] finish_task_switch+0x234/0x858 [ 52.438343][ T5234] hardirqs last disabled at (224030): [] el1_brk64+0x20/0x54 [ 52.439915][ T5234] softirqs last enabled at (224020): [] kernel_neon_begin+0x294/0x400 [ 52.441594][ T5234] softirqs last disabled at (224018): [] kernel_neon_begin+0x11c/0x400 [ 52.443302][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.447920][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.484151][ T5386] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.488817][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.491092][ T5234] ------------[ cut here ]------------ [ 52.491099][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 52.494185][ T5234] Modules linked in: [ 52.494904][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.496864][ T5234] Tainted: [W]=WARN [ 52.497561][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.499423][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.500745][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.501863][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.503024][ T5234] sp : ffff800098ca6fc0 [ 52.503793][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3c3148 [ 52.505292][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.506790][ T5234] x23: ffff0000c9f04000 x22: 000000000000feeb x21: ffff0000ef3c3120 [ 52.508286][ T5234] x20: ffff700013194e08 x19: ffff0000c9f04068 x18: 1fffe00034bbbe28 [ 52.509780][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 52.511255][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 52.512650][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.514024][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.515439][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 52.516837][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.518299][ T5234] Call trace: [ 52.518839][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.519995][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.520943][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.521893][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.522839][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.523775][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.524547][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.525459][ T5234] sync_lazytime+0x1a8/0x694 [ 52.526216][ T5234] iput+0x1f0/0xc2c [ 52.526928][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.527824][ T5234] dentry_kill+0x1dc/0x840 [ 52.528606][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.529483][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.530327][ T5234] do_one_tree+0x24/0x58 [ 52.531041][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.532042][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.532998][ T5234] kill_block_super+0x48/0x94 [ 52.533790][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.534565][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.535530][ T5234] deactivate_super+0xd8/0xf8 [ 52.536358][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.537130][ T5234] __cleanup_mnt+0x20/0x30 [ 52.537944][ T5234] task_work_run+0x1cc/0x25c [ 52.538712][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.539732][ T5234] el0_svc+0x18c/0x260 [ 52.540493][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.541410][ T5234] el0t_64_sync+0x198/0x19c [ 52.542268][ T5234] irq event stamp: 229620 [ 52.543075][ T5234] hardirqs last enabled at (229619): [] finish_task_switch+0x234/0x858 [ 52.544808][ T5234] hardirqs last disabled at (229620): [] el1_brk64+0x20/0x54 [ 52.546433][ T5234] softirqs last enabled at (229610): [] kernel_neon_begin+0x294/0x400 [ 52.548096][ T5234] softirqs last disabled at (229608): [] kernel_neon_begin+0x11c/0x400 [ 52.549850][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.556741][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.576473][ T5390] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.580514][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.580627][ T5234] ------------[ cut here ]------------ [ 52.580633][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 52.585390][ T5234] Modules linked in: [ 52.586040][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.587828][ T5234] Tainted: [W]=WARN [ 52.588481][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.590256][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.591616][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.592743][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.593868][ T5234] sp : ffff800098ca6fc0 [ 52.594591][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db27f2e8 [ 52.596005][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.597395][ T5234] x23: ffff0000d7424000 x22: 000000000000feeb x21: ffff0000db27f2c0 [ 52.598811][ T5234] x20: ffff700013194e08 x19: ffff0000d7424068 x18: 1fffe00034bbbe28 [ 52.600180][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.601558][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.602928][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.604250][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 52.605888][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 52.607380][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.609010][ T5234] Call trace: [ 52.609642][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.610785][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.611699][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.612730][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.613888][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.614781][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.615600][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.616441][ T5234] sync_lazytime+0x1a8/0x694 [ 52.617208][ T5234] iput+0x1f0/0xc2c [ 52.617858][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.618745][ T5234] dentry_kill+0x1dc/0x840 [ 52.619501][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.620406][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.621312][ T5234] do_one_tree+0x24/0x58 [ 52.622075][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.623084][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.624049][ T5234] kill_block_super+0x48/0x94 [ 52.624869][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.625618][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.626528][ T5234] deactivate_super+0xd8/0xf8 [ 52.627277][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.628015][ T5234] __cleanup_mnt+0x20/0x30 [ 52.628807][ T5234] task_work_run+0x1cc/0x25c [ 52.629595][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.630537][ T5234] el0_svc+0x18c/0x260 [ 52.631254][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.632148][ T5234] el0t_64_sync+0x198/0x19c [ 52.632889][ T5234] irq event stamp: 234966 [ 52.633594][ T5234] hardirqs last enabled at (234965): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 52.635282][ T5234] hardirqs last disabled at (234966): [] el1_brk64+0x20/0x54 [ 52.636707][ T5234] softirqs last enabled at (234958): [] kernel_neon_begin+0x294/0x400 [ 52.638419][ T5234] softirqs last disabled at (234956): [] kernel_neon_begin+0x11c/0x400 [ 52.640144][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.654198][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.677102][ T5394] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.686170][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.688316][ T5234] ------------[ cut here ]------------ [ 52.688325][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 52.690964][ T5234] Modules linked in: [ 52.691595][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.693341][ T5234] Tainted: [W]=WARN [ 52.693955][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.695695][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.697010][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.698105][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.699189][ T5234] sp : ffff800098ca6fc0 [ 52.699894][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef170268 [ 52.701236][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.702611][ T5234] x23: ffff0000cb3c0000 x22: 000000000000feeb x21: ffff0000ef170240 [ 52.703992][ T5234] x20: ffff700013194e08 x19: ffff0000cb3c0068 x18: 1fffe00034bb7428 [ 52.705338][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 52.706650][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 52.708044][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.709617][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.711009][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 52.712479][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.713943][ T5234] Call trace: [ 52.714518][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.715664][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.716596][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.717634][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.718624][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.719600][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.720447][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.721361][ T5234] sync_lazytime+0x1a8/0x694 [ 52.722183][ T5234] iput+0x1f0/0xc2c [ 52.722844][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.723720][ T5234] dentry_kill+0x1dc/0x840 [ 52.724522][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.725409][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.726306][ T5234] do_one_tree+0x24/0x58 [ 52.727018][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.727955][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.728860][ T5234] kill_block_super+0x48/0x94 [ 52.729677][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.730417][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.731355][ T5234] deactivate_super+0xd8/0xf8 [ 52.732169][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.732941][ T5234] __cleanup_mnt+0x20/0x30 [ 52.733705][ T5234] task_work_run+0x1cc/0x25c [ 52.734493][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.735384][ T5234] el0_svc+0x18c/0x260 [ 52.736098][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.736969][ T5234] el0t_64_sync+0x198/0x19c [ 52.737793][ T5234] irq event stamp: 240426 [ 52.738571][ T5234] hardirqs last enabled at (240425): [] finish_task_switch+0x234/0x858 [ 52.740376][ T5234] hardirqs last disabled at (240426): [] el1_brk64+0x20/0x54 [ 52.741915][ T5234] softirqs last enabled at (240416): [] kernel_neon_begin+0x294/0x400 [ 52.743577][ T5234] softirqs last disabled at (240414): [] kernel_neon_begin+0x11c/0x400 [ 52.745306][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.750047][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.794767][ T5398] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 52.800563][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.800681][ T5234] ------------[ cut here ]------------ [ 52.800686][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 52.806080][ T5234] Modules linked in: [ 52.806768][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.808547][ T5234] Tainted: [W]=WARN [ 52.809190][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.810931][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.812302][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.813428][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.814573][ T5234] sp : ffff800098ca6fc0 [ 52.815251][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db27baa8 [ 52.816659][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.817988][ T5234] x23: ffff0000d6d16000 x22: 000000000000feeb x21: ffff0000db27ba80 [ 52.819383][ T5234] x20: ffff700013194e08 x19: ffff0000d6d16068 x18: 1fffe00034bb7428 [ 52.820758][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.822155][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.823578][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.825032][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 52.826468][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 52.827848][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.829189][ T5234] Call trace: [ 52.829757][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.830916][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.831862][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.832932][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.833911][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.834833][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.835649][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.836532][ T5234] sync_lazytime+0x1a8/0x694 [ 52.837340][ T5234] iput+0x1f0/0xc2c [ 52.838017][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.838932][ T5234] dentry_kill+0x1dc/0x840 [ 52.839729][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.840648][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.841575][ T5234] do_one_tree+0x24/0x58 [ 52.842329][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.843289][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.844249][ T5234] kill_block_super+0x48/0x94 [ 52.845135][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.845921][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.846876][ T5234] deactivate_super+0xd8/0xf8 [ 52.847647][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.848380][ T5234] __cleanup_mnt+0x20/0x30 [ 52.849143][ T5234] task_work_run+0x1cc/0x25c [ 52.849918][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.850857][ T5234] el0_svc+0x18c/0x260 [ 52.851560][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.852457][ T5234] el0t_64_sync+0x198/0x19c [ 52.853266][ T5234] irq event stamp: 246466 [ 52.854055][ T5234] hardirqs last enabled at (246465): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 52.855881][ T5234] hardirqs last disabled at (246466): [] el1_brk64+0x20/0x54 [ 52.857453][ T5234] softirqs last enabled at (246458): [] kernel_neon_begin+0x294/0x400 [ 52.859199][ T5234] softirqs last disabled at (246456): [] kernel_neon_begin+0x11c/0x400 [ 52.860998][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.865260][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.897839][ T5402] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.904234][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.904337][ T5234] ------------[ cut here ]------------ [ 52.904341][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 52.909209][ T5234] Modules linked in: [ 52.909865][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.911546][ T5234] Tainted: [W]=WARN [ 52.912182][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 52.913984][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.915439][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 52.916659][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 52.917845][ T5234] sp : ffff800098ca6fc0 [ 52.918586][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef1772e8 [ 52.920203][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 52.921614][ T5234] x23: ffff0000da03e000 x22: 000000000000feeb x21: ffff0000ef1772c0 [ 52.923064][ T5234] x20: ffff700013194e08 x19: ffff0000da03e068 x18: 1fffe00034bbbe28 [ 52.924497][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.925912][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.927338][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 52.928763][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 52.930236][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 52.931656][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 52.933124][ T5234] Call trace: [ 52.933692][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 52.934822][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 52.935751][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 52.936765][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 52.937775][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 52.938727][ T5234] ext4_dirty_inode+0xd8/0x114 [ 52.939585][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 52.940462][ T5234] sync_lazytime+0x1a8/0x694 [ 52.941291][ T5234] iput+0x1f0/0xc2c [ 52.941973][ T5234] dentry_unlink_inode+0x380/0x45c [ 52.942878][ T5234] dentry_kill+0x1dc/0x840 [ 52.943608][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 52.944446][ T5234] shrink_dcache_tree+0x13c/0x35c [ 52.945338][ T5234] do_one_tree+0x24/0x58 [ 52.946069][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 52.947012][ T5234] generic_shutdown_super+0x74/0x2c0 [ 52.947966][ T5234] kill_block_super+0x48/0x94 [ 52.948794][ T5234] ext4_kill_sb+0x68/0xa4 [ 52.949560][ T5234] deactivate_locked_super+0xcc/0x148 [ 52.950523][ T5234] deactivate_super+0xd8/0xf8 [ 52.951348][ T5234] cleanup_mnt+0x318/0x3a8 [ 52.952123][ T5234] __cleanup_mnt+0x20/0x30 [ 52.952918][ T5234] task_work_run+0x1cc/0x25c [ 52.953755][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 52.954706][ T5234] el0_svc+0x18c/0x260 [ 52.955399][ T5234] el0t_64_sync_handler+0x44/0x104 [ 52.956306][ T5234] el0t_64_sync+0x198/0x19c [ 52.957058][ T5234] irq event stamp: 252250 [ 52.957789][ T5234] hardirqs last enabled at (252249): [] vprintk_store+0x924/0xb94 [ 52.959384][ T5234] hardirqs last disabled at (252250): [] el1_brk64+0x20/0x54 [ 52.961002][ T5234] softirqs last enabled at (252244): [] kernel_neon_begin+0x294/0x400 [ 52.962709][ T5234] softirqs last disabled at (252242): [] kernel_neon_begin+0x11c/0x400 [ 52.964402][ T5234] ---[ end trace 0000000000000000 ]--- [ 52.971428][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.014358][ T5406] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53.018667][ T5234] ** replaying previous printk message ** [ 53.018667][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.019036][ T5234] ------------[ cut here ]------------ [ 53.019045][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 53.024993][ T5234] Modules linked in: [ 53.025706][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.027542][ T5234] Tainted: [W]=WARN [ 53.028208][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.029915][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.031251][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.032365][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.033532][ T5234] sp : ffff800098ca6fc0 [ 53.034234][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef174d68 [ 53.035572][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 53.036910][ T5234] x23: ffff0000d6eea000 x22: 000000000000feeb x21: ffff0000ef174d40 [ 53.038307][ T5234] x20: ffff700013194e08 x19: ffff0000d6eea068 x18: 1fffe00034bbbe28 [ 53.039631][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 53.041022][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 53.042376][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.043807][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.045119][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 53.046384][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.047734][ T5234] Call trace: [ 53.048279][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.049344][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.050231][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.051149][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.052071][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.052958][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.053740][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.054600][ T5234] sync_lazytime+0x1a8/0x694 [ 53.055591][ T5234] iput+0x1f0/0xc2c [ 53.056292][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.057241][ T5234] dentry_kill+0x1dc/0x840 [ 53.058006][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.058872][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.059676][ T5234] do_one_tree+0x24/0x58 [ 53.060376][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.061313][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.062233][ T5234] kill_block_super+0x48/0x94 [ 53.063030][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.063787][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.064720][ T5234] deactivate_super+0xd8/0xf8 [ 53.065493][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.066312][ T5234] __cleanup_mnt+0x20/0x30 [ 53.067092][ T5234] task_work_run+0x1cc/0x25c [ 53.067869][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.068775][ T5234] el0_svc+0x18c/0x260 [ 53.069478][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.070343][ T5234] el0t_64_sync+0x198/0x19c [ 53.071088][ T5234] irq event stamp: 257792 [ 53.071858][ T5234] hardirqs last enabled at (257791): [] finish_task_switch+0x234/0x858 [ 53.073531][ T5234] hardirqs last disabled at (257792): [] el1_brk64+0x20/0x54 [ 53.075020][ T5234] softirqs last enabled at (257782): [] kernel_neon_begin+0x294/0x400 [ 53.076707][ T5234] softirqs last disabled at (257780): [] kernel_neon_begin+0x11c/0x400 [ 53.078398][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.084492][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.114433][ T5410] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53.120287][ T5234] EXT4-fs warning (devic ** replaying previous printk message ** [ 53.120287][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.121015][ T5234] ------------[ cut here ]------------ [ 53.121022][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 53.126445][ T5234] Modules linked in: [ 53.127109][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.128917][ T5234] Tainted: [W]=WARN [ 53.129671][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.131460][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.132842][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.134027][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.135174][ T5234] sp : ffff800098ca6fc0 [ 53.135891][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3cd6c8 [ 53.137372][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 53.138812][ T5234] x23: ffff0000c302c000 x22: 000000000000feeb x21: ffff0000ef3cd6a0 [ 53.140224][ T5234] x20: ffff700013194e08 x19: ffff0000c302c068 x18: 1fffe00034bb7428 [ 53.141680][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 53.143112][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 53.144535][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.145975][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.147409][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 53.148912][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.150361][ T5234] Call trace: [ 53.150946][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.152097][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.153034][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.154040][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.155076][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.156082][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.156975][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.157854][ T5234] sync_lazytime+0x1a8/0x694 [ 53.158676][ T5234] iput+0x1f0/0xc2c [ 53.159385][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.160340][ T5234] dentry_kill+0x1dc/0x840 [ 53.161111][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.162009][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.162905][ T5234] do_one_tree+0x24/0x58 [ 53.163685][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.164713][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.165698][ T5234] kill_block_super+0x48/0x94 [ 53.166565][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.167363][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.168299][ T5234] deactivate_super+0xd8/0xf8 [ 53.169157][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.169951][ T5234] __cleanup_mnt+0x20/0x30 [ 53.170743][ T5234] task_work_run+0x1cc/0x25c [ 53.171598][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.172594][ T5234] el0_svc+0x18c/0x260 [ 53.173293][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.174164][ T5234] el0t_64_sync+0x198/0x19c [ 53.174960][ T5234] irq event stamp: 263532 [ 53.175691][ T5234] hardirqs last enabled at (263531): [] finish_task_switch+0x234/0x858 [ 53.177402][ T5234] hardirqs last disabled at (263532): [] el1_brk64+0x20/0x54 [ 53.179006][ T5234] softirqs last enabled at (263522): [] kernel_neon_begin+0x294/0x400 [ 53.180694][ T5234] softirqs last disabled at (263520): [] kernel_neon_begin+0x11c/0x400 [ 53.182381][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.194277][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.214093][ T5414] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53 ** replaying previous printk message ** [ 53.217972][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.218105][ T5234] ------------[ cut here ]------------ [ 53.218111][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 53.223424][ T5234] Modules linked in: [ 53.224111][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.225963][ T5234] Tainted: [W]=WARN [ 53.226648][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.228459][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.229788][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.230983][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.232152][ T5234] sp : ffff800098ca6fc0 [ 53.232913][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3cb148 [ 53.234367][ T5234] x26: 0000000000000001 x25: ffff0000d98c0000 x24: 0000000000000001 [ 53.235787][ T5234] x23: ffff0000da53c000 x22: 000000000000feeb x21: ffff0000ef3cb120 [ 53.237182][ T5234] x20: ffff700013194e08 x19: ffff0000da53c068 x18: 0000000000000000 [ 53.238583][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.239915][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.241288][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.242781][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 53.244299][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 53.245711][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.247046][ T5234] Call trace: [ 53.247605][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.248710][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.249616][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.250619][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.251577][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.252479][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.253305][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.254151][ T5234] sync_lazytime+0x1a8/0x694 [ 53.254918][ T5234] iput+0x1f0/0xc2c [ 53.255590][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.256455][ T5234] dentry_kill+0x1dc/0x840 [ 53.257164][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.258010][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.258910][ T5234] do_one_tree+0x24/0x58 [ 53.259661][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.260617][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.261514][ T5234] kill_block_super+0x48/0x94 [ 53.262351][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.263133][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.264096][ T5234] deactivate_super+0xd8/0xf8 [ 53.264973][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.265738][ T5234] __cleanup_mnt+0x20/0x30 [ 53.266491][ T5234] task_work_run+0x1cc/0x25c [ 53.267258][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.268162][ T5234] el0_svc+0x18c/0x260 [ 53.268844][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.269703][ T5234] el0t_64_sync+0x198/0x19c [ 53.270469][ T5234] irq event stamp: 268852 [ 53.271210][ T5234] hardirqs last enabled at (268851): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 53.272960][ T5234] hardirqs last disabled at (268852): [] el1_brk64+0x20/0x54 [ 53.274561][ T5234] softirqs last enabled at (268844): [] kernel_neon_begin+0x294/0x400 [ 53.276369][ T5234] softirqs last disabled at (268842): [] kernel_neon_begin+0x11c/0x400 [ 53.278046][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.282327][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.319453][ T5418] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 53.329984][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.330092][ T5234] ------------[ cut here ]------------ [ 53.330097][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 53.335568][ T5234] Modules linked in: [ 53.336300][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.338158][ T5234] Tainted: [W]=WARN [ 53.338822][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.340588][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.341891][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.343075][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.344293][ T5234] sp : ffff800098ca6fc0 [ 53.345057][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef32baa8 [ 53.346435][ T5234] x26: 0000000000000001 x25: ffff0000dcc00000 x24: 0000000000000001 [ 53.347828][ T5234] x23: ffff0000c56d0000 x22: 000000000000feeb x21: ffff0000ef32ba80 [ 53.349197][ T5234] x20: ffff700013194e08 x19: ffff0000c56d0068 x18: 1fffe00034bb7428 [ 53.350636][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.352113][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.353530][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.354926][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 53.356316][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 53.357759][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.359191][ T5234] Call trace: [ 53.359739][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.360884][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.361837][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.362826][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.363850][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.364780][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.365539][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.366396][ T5234] sync_lazytime+0x1a8/0x694 [ 53.367175][ T5234] iput+0x1f0/0xc2c [ 53.367821][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.368660][ T5234] dentry_kill+0x1dc/0x840 [ 53.369448][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.370297][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.371115][ T5234] do_one_tree+0x24/0x58 [ 53.371832][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.372756][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.373663][ T5234] kill_block_super+0x48/0x94 [ 53.374452][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.375206][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.376088][ T5234] deactivate_super+0xd8/0xf8 [ 53.376936][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.377741][ T5234] __cleanup_mnt+0x20/0x30 [ 53.378499][ T5234] task_work_run+0x1cc/0x25c [ 53.379347][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.380317][ T5234] el0_svc+0x18c/0x260 [ 53.381040][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.381959][ T5234] el0t_64_sync+0x198/0x19c [ 53.382738][ T5234] irq event stamp: 274502 [ 53.383506][ T5234] hardirqs last enabled at (274501): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 53.385360][ T5234] hardirqs last disabled at (274502): [] el1_brk64+0x20/0x54 [ 53.386930][ T5234] softirqs last enabled at (274494): [] kernel_neon_begin+0x294/0x400 [ 53.388631][ T5234] softirqs last disabled at (274492): [] kernel_neon_begin+0x11c/0x400 [ 53.390342][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.396570][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.414567][ T5422] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53.420969][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.421086][ T5234] ------------[ cut here ]------------ [ 53.421092][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 53.426135][ T5234] Modules linked in: [ 53.426820][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.428629][ T5234] Tainted: [W]=WARN [ 53.429282][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.431053][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.432468][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.433594][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.434774][ T5234] sp : ffff800098ca6fc0 [ 53.435457][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef329528 [ 53.436872][ T5234] x26: 0000000000000001 x25: ffff0000ca840000 x24: 0000000000000001 [ 53.438343][ T5234] x23: ffff0000d92ae000 x22: 000000000000feeb x21: ffff0000ef329500 [ 53.439777][ T5234] x20: ffff700013194e08 x19: ffff0000d92ae068 x18: 1fffe00034bbbe28 [ 53.441133][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.442580][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.444042][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.445428][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 53.446871][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 53.448277][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.449635][ T5234] Call trace: [ 53.450173][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.451296][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.452275][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.453330][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.454315][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.455311][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.456141][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.457003][ T5234] sync_lazytime+0x1a8/0x694 [ 53.457788][ T5234] iput+0x1f0/0xc2c [ 53.458465][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.459361][ T5234] dentry_kill+0x1dc/0x840 [ 53.460132][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.461008][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.461894][ T5234] do_one_tree+0x24/0x58 [ 53.462601][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.463563][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.464504][ T5234] kill_block_super+0x48/0x94 [ 53.465294][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.466049][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.466948][ T5234] deactivate_super+0xd8/0xf8 [ 53.467761][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.468487][ T5234] __cleanup_mnt+0x20/0x30 [ 53.469245][ T5234] task_work_run+0x1cc/0x25c [ 53.470041][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.470971][ T5234] el0_svc+0x18c/0x260 [ 53.471612][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.472538][ T5234] el0t_64_sync+0x198/0x19c [ 53.473362][ T5234] irq event stamp: 279832 [ 53.474120][ T5234] hardirqs last enabled at (279831): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 53.475930][ T5234] hardirqs last disabled at (279832): [] el1_brk64+0x20/0x54 [ 53.477562][ T5234] softirqs last enabled at (279824): [] kernel_neon_begin+0x294/0x400 [ 53.479318][ T5234] softirqs last disabled at (279822): [] kernel_neon_begin+0x11c/0x400 [ 53.480968][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.486350][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.513097][ T50] Bluetooth: hci0: command tx timeout [ 53.525814][ T5426] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53.530107][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.530226][ T5234] ------------[ cut here ]------------ [ 53.530232][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 53.534799][ T5234] Modules linked in: [ 53.535475][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.537277][ T5234] Tainted: [W]=WARN [ 53.537936][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.539615][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.540900][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.542027][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.543223][ T5234] sp : ffff800098ca6fc0 [ 53.543922][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef1727e8 [ 53.545335][ T5234] x26: 0000000000000001 x25: ffff0000dee00000 x24: 0000000000000001 [ 53.546782][ T5234] x23: ffff0000c6d9a000 x22: 000000000000feeb x21: ffff0000ef1727c0 [ 53.548231][ T5234] x20: ffff700013194e08 x19: ffff0000c6d9a068 x18: 1fffe00034bbbe28 [ 53.549642][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.550993][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.552388][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.553836][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 53.555272][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 53.556697][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.558149][ T5234] Call trace: [ 53.558764][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.559921][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.560854][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.561832][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.562789][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.563749][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.564596][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.565515][ T5234] sync_lazytime+0x1a8/0x694 [ 53.566360][ T5234] iput+0x1f0/0xc2c [ 53.567076][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.568034][ T5234] dentry_kill+0x1dc/0x840 [ 53.568853][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.569793][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.570655][ T5234] do_one_tree+0x24/0x58 [ 53.571380][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.572323][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.573249][ T5234] kill_block_super+0x48/0x94 [ 53.574082][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.574837][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.575755][ T5234] deactivate_super+0xd8/0xf8 [ 53.576634][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.577429][ T5234] __cleanup_mnt+0x20/0x30 [ 53.578174][ T5234] task_work_run+0x1cc/0x25c [ 53.578926][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.579806][ T5234] el0_svc+0x18c/0x260 [ 53.580492][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.581324][ T5234] el0t_64_sync+0x198/0x19c [ 53.582108][ T5234] irq event stamp: 285816 [ 53.582826][ T5234] hardirqs last enabled at (285815): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 53.584663][ T5234] hardirqs last disabled at (285816): [] el1_brk64+0x20/0x54 [ 53.586194][ T5234] softirqs last enabled at (285808): [] kernel_neon_begin+0x294/0x400 [ 53.587875][ T5234] softirqs last disabled at (285806): [] kernel_neon_begin+0x11c/0x400 [ 53.589546][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.595001][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.634706][ T5430] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53 ** replaying previous printk message ** [ 53.639169][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.639287][ T5234] ------------[ cut here ]------------ [ 53.639291][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 53.644860][ T5234] Modules linked in: [ 53.645555][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.647411][ T5234] Tainted: [W]=WARN [ 53.648174][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.649891][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.651297][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.652421][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.653610][ T5234] sp : ffff800098ca6fc0 [ 53.654350][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e025b148 [ 53.655757][ T5234] x26: 0000000000000001 x25: ffff0000cefe0000 x24: 0000000000000001 [ 53.657104][ T5234] x23: ffff0000d4476000 x22: 000000000000feeb x21: ffff0000e025b120 [ 53.658542][ T5234] x20: ffff700013194e08 x19: ffff0000d4476068 x18: 1fffe00034bbbe28 [ 53.659970][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.661429][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.662831][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.664230][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 53.665594][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 53.667093][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.668520][ T5234] Call trace: [ 53.669076][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.670182][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.671074][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.672125][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.673129][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.674083][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.674877][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.675817][ T5234] sync_lazytime+0x1a8/0x694 [ 53.676638][ T5234] iput+0x1f0/0xc2c [ 53.677269][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.678136][ T5234] dentry_kill+0x1dc/0x840 [ 53.678938][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.679831][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.680708][ T5234] do_one_tree+0x24/0x58 [ 53.681486][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.682469][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.683388][ T5234] kill_block_super+0x48/0x94 [ 53.684165][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.684911][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.685815][ T5234] deactivate_super+0xd8/0xf8 [ 53.686625][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.687391][ T5234] __cleanup_mnt+0x20/0x30 [ 53.688152][ T5234] task_work_run+0x1cc/0x25c [ 53.688951][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.689889][ T5234] el0_svc+0x18c/0x260 [ 53.690661][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.691593][ T5234] el0t_64_sync+0x198/0x19c [ 53.692370][ T5234] irq event stamp: 291556 [ 53.693116][ T5234] hardirqs last enabled at (291555): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 53.694936][ T5234] hardirqs last disabled at (291556): [] el1_brk64+0x20/0x54 [ 53.696445][ T5234] softirqs last enabled at (291548): [] kernel_neon_begin+0x294/0x400 [ 53.698097][ T5234] softirqs last disabled at (291546): [] kernel_neon_begin+0x11c/0x400 [ 53.699762][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.705431][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.726945][ T5434] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53 ** replaying previous printk message ** [ 53.738823][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.738938][ T5234] ------------[ cut here ]------------ [ 53.738942][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 53.744335][ T5234] Modules linked in: [ 53.745000][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.746748][ T5234] Tainted: [W]=WARN [ 53.747373][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.749148][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.750488][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.751629][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.752809][ T5234] sp : ffff800098ca6fc0 [ 53.753488][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0258bc8 [ 53.754933][ T5234] x26: 0000000000000001 x25: ffff0000cefe0000 x24: 0000000000000001 [ 53.756454][ T5234] x23: ffff0000dae14000 x22: 000000000000feeb x21: ffff0000e0258ba0 [ 53.757918][ T5234] x20: ffff700013194e08 x19: ffff0000dae14068 x18: 1fffe00034bbbe28 [ 53.759453][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.760873][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.762260][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.763684][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 53.765105][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 53.766555][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.767904][ T5234] Call trace: [ 53.768453][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.769584][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.770521][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.771520][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.772511][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.773425][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.774239][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.775140][ T5234] sync_lazytime+0x1a8/0x694 [ 53.775927][ T5234] iput+0x1f0/0xc2c [ 53.776576][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.777514][ T5234] dentry_kill+0x1dc/0x840 [ 53.778280][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.779136][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.780009][ T5234] do_one_tree+0x24/0x58 [ 53.780739][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.781709][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.782619][ T5234] kill_block_super+0x48/0x94 [ 53.783400][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.784120][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.785005][ T5234] deactivate_super+0xd8/0xf8 [ 53.785765][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.786546][ T5234] __cleanup_mnt+0x20/0x30 [ 53.787332][ T5234] task_work_run+0x1cc/0x25c [ 53.788127][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.789066][ T5234] el0_svc+0x18c/0x260 [ 53.789742][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.790598][ T5234] el0t_64_sync+0x198/0x19c [ 53.791410][ T5234] irq event stamp: 297324 [ 53.792165][ T5234] hardirqs last enabled at (297323): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 53.793941][ T5234] hardirqs last disabled at (297324): [] el1_brk64+0x20/0x54 [ 53.795510][ T5234] softirqs last enabled at (297316): [] kernel_neon_begin+0x294/0x400 [ 53.797282][ T5234] softirqs last disabled at (297314): [] kernel_neon_begin+0x11c/0x400 [ 53.799064][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.804208][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.834717][ T5438] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 53.840701][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.840818][ T5234] ------------[ cut here ]------------ [ 53.840822][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 53.846714][ T5234] Modules linked in: [ 53.847479][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.849431][ T5234] Tainted: [W]=WARN [ 53.850071][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.851949][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.853338][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.854500][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.855608][ T5234] sp : ffff800098ca6fc0 [ 53.856319][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef32e028 [ 53.857745][ T5234] x26: 0000000000000001 x25: ffff0000df5f0000 x24: 0000000000000001 [ 53.859205][ T5234] x23: ffff0000c8e6c000 x22: 000000000000feeb x21: ffff0000ef32e000 [ 53.860608][ T5234] x20: ffff700013194e08 x19: ffff0000c8e6c068 x18: 1fffe00034bbbe28 [ 53.862031][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.863388][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.864734][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.866146][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 53.867538][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 53.868954][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.870359][ T5234] Call trace: [ 53.870938][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.872136][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.873057][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.874107][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.875121][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.876031][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.876804][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.877656][ T5234] sync_lazytime+0x1a8/0x694 [ 53.878480][ T5234] iput+0x1f0/0xc2c [ 53.879201][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.880176][ T5234] dentry_kill+0x1dc/0x840 [ 53.880987][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.881911][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.882827][ T5234] do_one_tree+0x24/0x58 [ 53.883622][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.884691][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.885602][ T5234] kill_block_super+0x48/0x94 [ 53.886433][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.887202][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.888134][ T5234] deactivate_super+0xd8/0xf8 [ 53.888974][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.889792][ T5234] __cleanup_mnt+0x20/0x30 [ 53.890604][ T5234] task_work_run+0x1cc/0x25c [ 53.891395][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.892316][ T5234] el0_svc+0x18c/0x260 [ 53.893007][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.893890][ T5234] el0t_64_sync+0x198/0x19c [ 53.894658][ T5234] irq event stamp: 302982 [ 53.895368][ T5234] hardirqs last enabled at (302981): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 53.897046][ T5234] hardirqs last disabled at (302982): [] el1_brk64+0x20/0x54 [ 53.898548][ T5234] softirqs last enabled at (302974): [] kernel_neon_begin+0x294/0x400 [ 53.900257][ T5234] softirqs last disabled at (302972): [] kernel_neon_begin+0x11c/0x400 [ 53.902072][ T5234] ---[ end trace 0000000000000000 ]--- [ 53.906693][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.935818][ T5442] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53.941906][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.942023][ T5234] ------------[ cut here ]------------ [ 53.942029][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 53.946864][ T5234] Modules linked in: [ 53.947559][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.949392][ T5234] Tainted: [W]=WARN [ 53.950077][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 53.951740][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.953055][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 53.954122][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 53.955241][ T5234] sp : ffff800098ca6fc0 [ 53.955949][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e02627e8 [ 53.957318][ T5234] x26: 0000000000000001 x25: ffff0000cb5e0000 x24: 0000000000000001 [ 53.958711][ T5234] x23: ffff0000c7d78000 x22: 000000000000feeb x21: ffff0000e02627c0 [ 53.960137][ T5234] x20: ffff700013194e08 x19: ffff0000c7d78068 x18: 1fffe00034bbbe28 [ 53.961586][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.963011][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.964392][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 53.965762][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 53.967147][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 53.968544][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 53.969899][ T5234] Call trace: [ 53.970475][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 53.971588][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 53.972522][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 53.973556][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 53.974567][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 53.975457][ T5234] ext4_dirty_inode+0xd8/0x114 [ 53.976239][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 53.977133][ T5234] sync_lazytime+0x1a8/0x694 [ 53.978086][ T5234] iput+0x1f0/0xc2c [ 53.978832][ T5234] dentry_unlink_inode+0x380/0x45c [ 53.979785][ T5234] dentry_kill+0x1dc/0x840 [ 53.980569][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 53.981517][ T5234] shrink_dcache_tree+0x13c/0x35c [ 53.982447][ T5234] do_one_tree+0x24/0x58 [ 53.983211][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 53.984213][ T5234] generic_shutdown_super+0x74/0x2c0 [ 53.985172][ T5234] kill_block_super+0x48/0x94 [ 53.985999][ T5234] ext4_kill_sb+0x68/0xa4 [ 53.986771][ T5234] deactivate_locked_super+0xcc/0x148 [ 53.987716][ T5234] deactivate_super+0xd8/0xf8 [ 53.988568][ T5234] cleanup_mnt+0x318/0x3a8 [ 53.989380][ T5234] __cleanup_mnt+0x20/0x30 [ 53.990185][ T5234] task_work_run+0x1cc/0x25c [ 53.991067][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 53.992090][ T5234] el0_svc+0x18c/0x260 [ 53.992807][ T5234] el0t_64_sync_handler+0x44/0x104 [ 53.993670][ T5234] el0t_64_sync+0x198/0x19c [ 53.994445][ T5234] irq event stamp: 308134 [ 53.995174][ T5234] hardirqs last enabled at (308133): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 53.996985][ T5234] hardirqs last disabled at (308134): [] el1_brk64+0x20/0x54 [ 53.998578][ T5234] softirqs last enabled at (308126): [] kernel_neon_begin+0x294/0x400 [ 54.000352][ T5234] softirqs last disabled at (308124): [] kernel_neon_begin+0x11c/0x400 [ 54.002076][ T5234] ---[ end trace 0000000000000000 ]--- [ 54.009370][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 54.045960][ T5446] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 54 ** replaying previous printk message ** [ 54.050326][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.050454][ T5234] ------------[ cut here ]------------ [ 54.050458][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 54.056146][ T5234] Modules linked in: [ 54.056951][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.058978][ T5234] Tainted: [W]=WARN [ 54.059653][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.061476][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.062933][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.064128][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.065298][ T5234] sp : ffff800098ca6fc0 [ 54.066023][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0260268 [ 54.067430][ T5234] x26: 0000000000000001 x25: ffff0000da520000 x24: 0000000000000001 [ 54.068901][ T5234] x23: ffff0000c604a000 x22: 000000000000feeb x21: ffff0000e0260240 [ 54.070399][ T5234] x20: ffff700013194e08 x19: ffff0000c604a068 x18: 1fffe00034bbbe28 [ 54.071814][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.073215][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.074653][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.076119][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 54.077557][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 54.079041][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.080483][ T5234] Call trace: [ 54.081059][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.082263][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.083126][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.084144][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.085160][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.086107][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.086914][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.087798][ T5234] sync_lazytime+0x1a8/0x694 [ 54.088597][ T5234] iput+0x1f0/0xc2c [ 54.089225][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.090151][ T5234] dentry_kill+0x1dc/0x840 [ 54.090948][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.091789][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.092633][ T5234] do_one_tree+0x24/0x58 [ 54.093358][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.094293][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.095192][ T5234] kill_block_super+0x48/0x94 [ 54.095992][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.096750][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.097691][ T5234] deactivate_super+0xd8/0xf8 [ 54.098469][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.099244][ T5234] __cleanup_mnt+0x20/0x30 [ 54.100002][ T5234] task_work_run+0x1cc/0x25c [ 54.100785][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.101755][ T5234] el0_svc+0x18c/0x260 [ 54.102443][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.103310][ T5234] el0t_64_sync+0x198/0x19c [ 54.104088][ T5234] irq event stamp: 314100 [ 54.105000][ T5234] hardirqs last enabled at (314099): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 54.106973][ T5234] hardirqs last disabled at (314100): [] el1_brk64+0x20/0x54 [ 54.108544][ T5234] softirqs last enabled at (314092): [] kernel_neon_begin+0x294/0x400 [ 54.110408][ T5234] softirqs last disabled at (314090): [] kernel_neon_begin+0x11c/0x400 [ 54.112245][ T5234] ---[ end trace 0000000000000000 ]--- [ 54.116959][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 54.147675][ T5450] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 54 ** replaying previous printk message ** [ 54.152278][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.152425][ T5234] ------------[ cut here ]------------ [ 54.152430][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 54.157981][ T5234] Modules linked in: [ 54.158652][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.160463][ T5234] Tainted: [W]=WARN [ 54.161126][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.162934][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.164239][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.165417][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.166565][ T5234] sp : ffff800098ca6fc0 [ 54.167245][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e025d6c8 [ 54.168547][ T5234] x26: 0000000000000001 x25: ffff0000c9dd0000 x24: 0000000000000001 [ 54.169900][ T5234] x23: ffff0000d27c4000 x22: 000000000000feeb x21: ffff0000e025d6a0 [ 54.171291][ T5234] x20: ffff700013194e08 x19: ffff0000d27c4068 x18: 1fffe00034bbbe28 [ 54.172646][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.174073][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.175551][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.176989][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 54.178400][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 54.179849][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.181248][ T5234] Call trace: [ 54.181831][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.182974][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.183914][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.184969][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.186010][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.186920][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.187712][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.188646][ T5234] sync_lazytime+0x1a8/0x694 [ 54.189457][ T5234] iput+0x1f0/0xc2c [ 54.190138][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.191003][ T5234] dentry_kill+0x1dc/0x840 [ 54.191770][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.192635][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.193498][ T5234] do_one_tree+0x24/0x58 [ 54.194258][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.195229][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.196169][ T5234] kill_block_super+0x48/0x94 [ 54.197010][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.197755][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.198672][ T5234] deactivate_super+0xd8/0xf8 [ 54.199491][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.200282][ T5234] __cleanup_mnt+0x20/0x30 [ 54.201029][ T5234] task_work_run+0x1cc/0x25c [ 54.201756][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.202607][ T5234] el0_svc+0x18c/0x260 [ 54.203322][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.204237][ T5234] el0t_64_sync+0x198/0x19c [ 54.204955][ T5234] irq event stamp: 319132 [ 54.205662][ T5234] hardirqs last enabled at (319131): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 54.207368][ T5234] hardirqs last disabled at (319132): [] el1_brk64+0x20/0x54 [ 54.208811][ T5234] softirqs last enabled at (319122): [] kernel_neon_begin+0x294/0x400 [ 54.210485][ T5234] softirqs last disabled at (319120): [] kernel_neon_begin+0x11c/0x400 [ 54.212251][ T5234] ---[ end trace 0000000000000000 ]--- [ 54.219125][ T5234] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 54.260981][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.264975][ T5234] ------------[ cut here ]------------ [ 54.264982][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 54.267942][ T5234] Modules linked in: [ 54.268530][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.270314][ T5234] Tainted: [W]=WARN [ 54.270958][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.272703][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.274084][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.275268][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.276421][ T5234] sp : ffff800098ca6fc0 [ 54.277101][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e01f9e88 [ 54.278464][ T5234] x26: 0000000000000001 x25: ffff0000d0b40000 x24: 0000000000000001 [ 54.279816][ T5234] x23: ffff0000cae52000 x22: 000000000000feeb x21: ffff0000e01f9e60 [ 54.281113][ T5234] x20: ffff700013194e08 x19: ffff0000cae52068 x18: 1fffe00034bbbe28 [ 54.282432][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 54.283742][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 54.285054][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.286449][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.287726][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 54.289135][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.290466][ T5234] Call trace: [ 54.291032][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.292179][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.293064][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.294042][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.294968][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.295889][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.296647][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.297481][ T5234] sync_lazytime+0x1a8/0x694 [ 54.298207][ T5234] iput+0x1f0/0xc2c [ 54.298802][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.299632][ T5234] dentry_kill+0x1dc/0x840 [ 54.300343][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.301172][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.302067][ T5234] do_one_tree+0x24/0x58 [ 54.302785][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.303723][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.304635][ T5234] kill_block_super+0x48/0x94 [ 54.305447][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.306209][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.307121][ T5234] deactivate_super+0xd8/0xf8 [ 54.307963][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.308742][ T5234] __cleanup_mnt+0x20/0x30 [ 54.309528][ T5234] task_work_run+0x1cc/0x25c [ 54.310309][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.311264][ T5234] el0_svc+0x18c/0x260 [ 54.311978][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.312838][ T5234] el0t_64_sync+0x198/0x19c [ 54.313586][ T5234] irq event stamp: 324310 [ 54.314313][ T5234] hardirqs last enabled at (324309): [] finish_task_switch+0x234/0x858 [ 54.316008][ T5234] hardirqs last disabled at (324310): [] el1_brk64+0x20/0x54 [ 54.317546][ T5234] softirqs last enabled at (324300): [] kernel_neon_begin+0x294/0x400 [ 54.319256][ T5234] softirqs last disabled at (324298): [] kernel_neon_begin+0x11c/0x400 [ 54.320917][ T5234] ---[ end trace 0000000000000000 ]--- [ 5 ** replaying previous printk message ** [ 54.368686][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.368801][ T5234] ------------[ cut here ]------------ [ 54.368806][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 54.374586][ T5234] Modules linked in: [ 54.375331][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.377160][ T5234] Tainted: [W]=WARN [ 54.377789][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.379521][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.380831][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.381916][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.382953][ T5234] sp : ffff800098ca6fc0 [ 54.383611][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e02672e8 [ 54.385027][ T5234] x26: 0000000000000001 x25: ffff0000d0000000 x24: 0000000000000001 [ 54.386360][ T5234] x23: ffff0000da254000 x22: 000000000000feeb x21: ffff0000e02672c0 [ 54.387706][ T5234] x20: ffff700013194e08 x19: ffff0000da254068 x18: 1fffe00034bbbe28 [ 54.389108][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.390527][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.392006][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.393428][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 54.394781][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 54.396167][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.397553][ T5234] Call trace: [ 54.398113][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.399441][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.400395][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.401516][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.402494][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.403420][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.404254][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.405165][ T5234] sync_lazytime+0x1a8/0x694 [ 54.406004][ T5234] iput+0x1f0/0xc2c [ 54.406678][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.407574][ T5234] dentry_kill+0x1dc/0x840 [ 54.408374][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.409250][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.410057][ T5234] do_one_tree+0x24/0x58 [ 54.410771][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.411769][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.412706][ T5234] kill_block_super+0x48/0x94 [ 54.413508][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.414269][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.415227][ T5234] deactivate_super+0xd8/0xf8 [ 54.416027][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.416755][ T5234] __cleanup_mnt+0x20/0x30 [ 54.417523][ T5234] task_work_run+0x1cc/0x25c [ 54.418347][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.419258][ T5234] el0_svc+0x18c/0x260 [ 54.419965][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.420851][ T5234] el0t_64_sync+0x198/0x19c [ 54.421640][ T5234] irq event stamp: 329606 [ 54.422385][ T5234] hardirqs last enabled at (329605): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 54.424182][ T5234] hardirqs last disabled at (329606): [] el1_brk64+0x20/0x54 [ 54.425598][ T5234] softirqs last enabled at (329598): [] kernel_neon_begin+0x294/0x400 [ 54.427582][ T5234] softirqs last disabled at (329596): [] kernel_neon_begin+0x11c/0x400 [ 54.429277][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.459413][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.459528][ T5234] ------------[ cut here ]------------ [ 54.459532][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 54.465145][ T5234] Modules linked in: [ 54.465914][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.467719][ T5234] Tainted: [W]=WARN [ 54.468376][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.470150][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.471551][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.472699][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.473820][ T5234] sp : ffff800098ca6fc0 [ 54.474529][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0264d68 [ 54.475916][ T5234] x26: 0000000000000001 x25: ffff0000ed900000 x24: 0000000000000001 [ 54.477364][ T5234] x23: ffff0000dbcde000 x22: 000000000000feeb x21: ffff0000e0264d40 [ 54.478775][ T5234] x20: ffff700013194e08 x19: ffff0000dbcde068 x18: 1fffe00034bbbe28 [ 54.480167][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.481472][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.482761][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.484098][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 54.485484][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 54.486812][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.488201][ T5234] Call trace: [ 54.488751][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.489832][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.490731][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.491750][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.492756][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.493691][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.494519][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.495388][ T5234] sync_lazytime+0x1a8/0x694 [ 54.496198][ T5234] iput+0x1f0/0xc2c [ 54.496826][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.497714][ T5234] dentry_kill+0x1dc/0x840 [ 54.498473][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.499340][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.500209][ T5234] do_one_tree+0x24/0x58 [ 54.500943][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.501850][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.502717][ T5234] kill_block_super+0x48/0x94 [ 54.503489][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.504204][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.505075][ T5234] deactivate_super+0xd8/0xf8 [ 54.505886][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.506589][ T5234] __cleanup_mnt+0x20/0x30 [ 54.507333][ T5234] task_work_run+0x1cc/0x25c [ 54.508124][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.509019][ T5234] el0_svc+0x18c/0x260 [ 54.509689][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.510552][ T5234] el0t_64_sync+0x198/0x19c [ 54.511340][ T5234] irq event stamp: 334810 [ 54.512109][ T5234] hardirqs last enabled at (334809): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 54.513907][ T5234] hardirqs last disabled at (334810): [] el1_brk64+0x20/0x54 [ 54.515477][ T5234] softirqs last enabled at (334802): [] kernel_neon_begin+0x294/0x400 [ 54.517264][ T5234] softirqs last disabled at (334800): [] kernel_neon_begin+0x11c/0x400 [ 54.518985][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.550446][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.550564][ T5234] ------------[ cut here ]------------ [ 54.550568][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 54.556118][ T5234] Modules linked in: [ 54.556828][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.558643][ T5234] Tainted: [W]=WARN [ 54.559290][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.561057][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.562409][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.563552][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.564694][ T5234] sp : ffff800098ca6fc0 [ 54.565424][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0364408 [ 54.566874][ T5234] x26: 0000000000000001 x25: ffff0000ed100000 x24: 0000000000000001 [ 54.568248][ T5234] x23: ffff0000cb91c000 x22: 000000000000feeb x21: ffff0000e03643e0 [ 54.569565][ T5234] x20: ffff700013194e08 x19: ffff0000cb91c068 x18: 1fffe00034bbbe28 [ 54.570907][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.572322][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.573659][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.574980][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 54.576278][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 54.577626][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.579005][ T5234] Call trace: [ 54.579537][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.580660][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.581536][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.582521][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.583486][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.584440][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.585284][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.586204][ T5234] sync_lazytime+0x1a8/0x694 [ 54.586964][ T5234] iput+0x1f0/0xc2c [ 54.587631][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.588551][ T5234] dentry_kill+0x1dc/0x840 [ 54.589298][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.590166][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.591048][ T5234] do_one_tree+0x24/0x58 [ 54.591762][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.592675][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.593601][ T5234] kill_block_super+0x48/0x94 [ 54.594420][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.595163][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.596054][ T5234] deactivate_super+0xd8/0xf8 [ 54.596838][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.597556][ T5234] __cleanup_mnt+0x20/0x30 [ 54.598286][ T5234] task_work_run+0x1cc/0x25c [ 54.599065][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.599970][ T5234] el0_svc+0x18c/0x260 [ 54.600637][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.601498][ T5234] el0t_64_sync+0x198/0x19c [ 54.602246][ T5234] irq event stamp: 339616 [ 54.602969][ T5234] hardirqs last enabled at (339615): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 54.604765][ T5234] hardirqs last disabled at (339616): [] el1_brk64+0x20/0x54 [ 54.606271][ T5234] softirqs last enabled at (339608): [] kernel_neon_begin+0x294/0x400 [ 54.607953][ T5234] softirqs last disabled at (339606): [] kernel_neon_begin+0x11c/0x400 [ 54.609602][ T5234] ---[ end trace 0000000000000000 ]--- [ 54.658381][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.660754][ T5234] ------------[ cut here ]------------ [ 54.660762][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 54.663469][ T5234] Modules linked in: [ 54.664190][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.665975][ T5234] Tainted: [W]=WARN [ 54.666641][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.668357][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.669753][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.670939][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.672143][ T5234] sp : ffff800098ca6fc0 [ 54.672863][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0279528 [ 54.674317][ T5234] x26: 0000000000000001 x25: ffff0000d1f20000 x24: 0000000000000001 [ 54.675771][ T5234] x23: ffff0000cb790000 x22: 000000000000feeb x21: ffff0000e0279500 [ 54.677300][ T5234] x20: ffff700013194e08 x19: ffff0000cb790068 x18: 1fffe00034bb7428 [ 54.678983][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 54.680629][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 54.682187][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.683757][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.685273][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 54.686799][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.688343][ T5234] Call trace: [ 54.688931][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.690055][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.690955][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.691982][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.692981][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.693924][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.694755][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.695647][ T5234] sync_lazytime+0x1a8/0x694 [ 54.696451][ T5234] iput+0x1f0/0xc2c [ 54.697140][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.698033][ T5234] dentry_kill+0x1dc/0x840 [ 54.698807][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.699717][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.700617][ T5234] do_one_tree+0x24/0x58 [ 54.701299][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.702197][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.703109][ T5234] kill_block_super+0x48/0x94 [ 54.703926][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.704691][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.705630][ T5234] deactivate_super+0xd8/0xf8 [ 54.706398][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.707195][ T5234] __cleanup_mnt+0x20/0x30 [ 54.707974][ T5234] task_work_run+0x1cc/0x25c [ 54.708816][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.709772][ T5234] el0_svc+0x18c/0x260 [ 54.710488][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.711407][ T5234] el0t_64_sync+0x198/0x19c [ 54.712207][ T5234] irq event stamp: 345794 [ 54.712987][ T5234] hardirqs last enabled at (345793): [] finish_task_switch+0x234/0x858 [ 54.714785][ T5234] hardirqs last disabled at (345794): [] el1_brk64+0x20/0x54 [ 54.716417][ T5234] softirqs last enabled at (345784): [] kernel_neon_begin+0x294/0x400 [ 54.718164][ T5234] softirqs last disabled at (345782): [] kernel_neon_begin+0x11c/0x400 [ 54.719870][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.763837][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.763953][ T5234] ------------[ cut here ]------------ [ 54.763958][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 54.769061][ T5234] Modules linked in: [ 54.769664][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.771340][ T5234] Tainted: [W]=WARN [ 54.771927][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.773563][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.774864][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.776039][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.777233][ T5234] sp : ffff800098ca6fc0 [ 54.777986][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3e8bc8 [ 54.779437][ T5234] x26: 0000000000000001 x25: ffff0000d1f20000 x24: 0000000000000001 [ 54.780932][ T5234] x23: ffff0000cb61c000 x22: 000000000000feeb x21: ffff0000ef3e8ba0 [ 54.782397][ T5234] x20: ffff700013194e08 x19: ffff0000cb61c068 x18: 1fffe00034bb7428 [ 54.783851][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.785313][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.786782][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.788278][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 54.789696][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 54.791144][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.792485][ T5234] Call trace: [ 54.793050][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.794079][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.794919][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.795909][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.796879][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.797839][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.798647][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.799587][ T5234] sync_lazytime+0x1a8/0x694 [ 54.800392][ T5234] iput+0x1f0/0xc2c [ 54.801071][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.801936][ T5234] dentry_kill+0x1dc/0x840 [ 54.802711][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.803559][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.804431][ T5234] do_one_tree+0x24/0x58 [ 54.805171][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.806115][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.807079][ T5234] kill_block_super+0x48/0x94 [ 54.807901][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.808637][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.809571][ T5234] deactivate_super+0xd8/0xf8 [ 54.810366][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.811178][ T5234] __cleanup_mnt+0x20/0x30 [ 54.811971][ T5234] task_work_run+0x1cc/0x25c [ 54.812799][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.813774][ T5234] el0_svc+0x18c/0x260 [ 54.814533][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.815458][ T5234] el0t_64_sync+0x198/0x19c [ 54.816341][ T5234] irq event stamp: 351780 [ 54.817100][ T5234] hardirqs last enabled at (351779): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 54.818912][ T5234] hardirqs last disabled at (351780): [] el1_brk64+0x20/0x54 [ 54.820395][ T5234] softirqs last enabled at (351772): [] kernel_neon_begin+0x294/0x400 [ 54.822089][ T5234] softirqs last disabled at (351770): [] kernel_neon_begin+0x11c/0x400 [ 54.823786][ T5234] ---[ end trace 0000000000000000 ]--- [ 54.870503][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.873324][ T5234] ------------[ cut here ]------------ [ 54.873333][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 54.876084][ T5234] Modules linked in: [ 54.876809][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.878588][ T5234] Tainted: [W]=WARN [ 54.879204][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.880791][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.881998][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.883077][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.884222][ T5234] sp : ffff800098ca6fc0 [ 54.885011][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e01fe988 [ 54.886384][ T5234] x26: 0000000000000001 x25: ffff0000f01f0000 x24: 0000000000000001 [ 54.887719][ T5234] x23: ffff0000dbca6000 x22: 000000000000feeb x21: ffff0000e01fe960 [ 54.889041][ T5234] x20: ffff700013194e08 x19: ffff0000dbca6068 x18: 1fffe00034bbbe28 [ 54.890335][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 54.891693][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 54.893056][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.894430][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.895731][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 54.897101][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.898457][ T5234] Call trace: [ 54.899002][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 54.900084][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 54.900953][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 54.901963][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 54.902935][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 54.903873][ T5234] ext4_dirty_inode+0xd8/0x114 [ 54.904708][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 54.905575][ T5234] sync_lazytime+0x1a8/0x694 [ 54.906425][ T5234] iput+0x1f0/0xc2c [ 54.907085][ T5234] dentry_unlink_inode+0x380/0x45c [ 54.907932][ T5234] dentry_kill+0x1dc/0x840 [ 54.908665][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 54.909547][ T5234] shrink_dcache_tree+0x13c/0x35c [ 54.910423][ T5234] do_one_tree+0x24/0x58 [ 54.911155][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 54.912062][ T5234] generic_shutdown_super+0x74/0x2c0 [ 54.912951][ T5234] kill_block_super+0x48/0x94 [ 54.913747][ T5234] ext4_kill_sb+0x68/0xa4 [ 54.914501][ T5234] deactivate_locked_super+0xcc/0x148 [ 54.915405][ T5234] deactivate_super+0xd8/0xf8 [ 54.916180][ T5234] cleanup_mnt+0x318/0x3a8 [ 54.916925][ T5234] __cleanup_mnt+0x20/0x30 [ 54.917702][ T5234] task_work_run+0x1cc/0x25c [ 54.918511][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 54.919469][ T5234] el0_svc+0x18c/0x260 [ 54.920203][ T5234] el0t_64_sync_handler+0x44/0x104 [ 54.921092][ T5234] el0t_64_sync+0x198/0x19c [ 54.921887][ T5234] irq event stamp: 359148 [ 54.922588][ T5234] hardirqs last enabled at (359147): [] finish_task_switch+0x234/0x858 [ 54.924322][ T5234] hardirqs last disabled at (359148): [] el1_brk64+0x20/0x54 [ 54.925935][ T5234] softirqs last enabled at (359144): [] handle_softirqs+0xc28/0xd98 [ 54.927519][ T5234] softirqs last disabled at (359127): [] __do_softirq+0x14/0x20 [ 54.929011][ T5234] ---[ end trace 0000000000000000 ]--- [ 54.968827][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.971319][ T5234] ------------[ cut here ]------------ [ 54.971327][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 54.974265][ T5234] Modules linked in: [ 54.975072][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.977250][ T5234] Tainted: [W]=WARN [ 54.977984][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 54.979874][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.981383][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 54.982522][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 54.983706][ T5234] sp : ffff800098ca6fc0 [ 54.984476][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e027e028 [ 54.985979][ T5234] x26: 0000000000000001 x25: ffff0000f01f0000 x24: 0000000000000001 [ 54.987422][ T5234] x23: ffff0000da464000 x22: 000000000000feeb x21: ffff0000e027e000 [ 54.988827][ T5234] x20: ffff700013194e08 x19: ffff0000da464068 x18: 1fffe00034bbbe28 [ 54.990210][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 54.991617][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 54.993063][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 54.994514][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.995903][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 54.997273][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 54.998680][ T5234] Call trace: [ 54.999236][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.000305][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.001236][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.002266][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.003221][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.004193][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.005049][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.005907][ T5234] sync_lazytime+0x1a8/0x694 [ 55.006676][ T5234] iput+0x1f0/0xc2c [ 55.007306][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.008183][ T5234] dentry_kill+0x1dc/0x840 [ 55.008922][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.009726][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.010539][ T5234] do_one_tree+0x24/0x58 [ 55.011240][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.012144][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.013102][ T5234] kill_block_super+0x48/0x94 [ 55.013871][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.014633][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.015537][ T5234] deactivate_super+0xd8/0xf8 [ 55.016353][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.017120][ T5234] __cleanup_mnt+0x20/0x30 [ 55.017894][ T5234] task_work_run+0x1cc/0x25c [ 55.018706][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.019656][ T5234] el0_svc+0x18c/0x260 [ 55.020321][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.021208][ T5234] el0t_64_sync+0x198/0x19c [ 55.022047][ T5234] irq event stamp: 364008 [ 55.022783][ T5234] hardirqs last enabled at (364007): [] finish_task_switch+0x234/0x858 [ 55.024468][ T5234] hardirqs last disabled at (364008): [] el1_brk64+0x20/0x54 [ 55.025932][ T5234] softirqs last enabled at (363998): [] kernel_neon_begin+0x294/0x400 [ 55.027604][ T5234] softirqs last disabled at (363996): [] kernel_neon_begin+0x11c/0x400 [ 55.029308][ T5234] ---[ end trace 0000000000000000 ]--- [ 55.068678][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.071082][ T5234] ------------[ cut here ]------------ [ 55.071090][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 55.073722][ T5234] Modules linked in: [ 55.074417][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.076239][ T5234] Tainted: [W]=WARN [ 55.076889][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.078607][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.079917][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.080989][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.082066][ T5234] sp : ffff800098ca6fc0 [ 55.082759][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e01fc408 [ 55.084132][ T5234] x26: 0000000000000001 x25: ffff0000f01c0000 x24: 0000000000000001 [ 55.085638][ T5234] x23: ffff0000d06e2000 x22: 000000000000feeb x21: ffff0000e01fc3e0 [ 55.087003][ T5234] x20: ffff700013194e08 x19: ffff0000d06e2068 x18: 1fffe00034bbbe28 [ 55.088332][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 55.089737][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 55.091207][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.092584][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.093996][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 55.095407][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.096842][ T5234] Call trace: [ 55.097449][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.098588][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.099429][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.100472][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.101449][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.102456][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.103351][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.104281][ T5234] sync_lazytime+0x1a8/0x694 [ 55.105119][ T5234] iput+0x1f0/0xc2c [ 55.105822][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.106673][ T5234] dentry_kill+0x1dc/0x840 [ 55.107424][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.108281][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.109188][ T5234] do_one_tree+0x24/0x58 [ 55.109976][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.110995][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.111912][ T5234] kill_block_super+0x48/0x94 [ 55.112746][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.113533][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.114504][ T5234] deactivate_super+0xd8/0xf8 [ 55.115363][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.116183][ T5234] __cleanup_mnt+0x20/0x30 [ 55.117004][ T5234] task_work_run+0x1cc/0x25c [ 55.117829][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.118767][ T5234] el0_svc+0x18c/0x260 [ 55.119486][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.120407][ T5234] el0t_64_sync+0x198/0x19c [ 55.121218][ T5234] irq event stamp: 369450 [ 55.121996][ T5234] hardirqs last enabled at (369449): [] finish_task_switch+0x234/0x858 [ 55.123631][ T5234] hardirqs last disabled at (369450): [] el1_brk64+0x20/0x54 [ 55.125139][ T5234] softirqs last enabled at (369440): [] kernel_neon_begin+0x294/0x400 [ 55.126766][ T5234] softirqs last disabled at (369438): [] kernel_neon_begin+0x11c/0x400 [ 55.128500][ T5234] ---[ end trace 0000000000000000 ]--- [ 55.174589][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.176711][ T5234] ------------[ cut here ]------------ [ 55.176718][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 55.179753][ T5234] Modules linked in: [ 55.180432][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.182154][ T5234] Tainted: [W]=WARN [ 55.182785][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.184468][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.185804][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.186934][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.188017][ T5234] sp : ffff800098ca6fc0 [ 55.188733][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e027baa8 [ 55.190157][ T5234] x26: 0000000000000001 x25: ffff0000f01c0000 x24: 0000000000000001 [ 55.191591][ T5234] x23: ffff0000cd182000 x22: 000000000000feeb x21: ffff0000e027ba80 [ 55.193051][ T5234] x20: ffff700013194e08 x19: ffff0000cd182068 x18: 1fffe00034bbbe28 [ 55.194507][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 55.195939][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 55.197353][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.198738][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.200175][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 55.201819][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.203352][ T5234] Call trace: [ 55.203927][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.205168][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.206073][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.207074][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.208049][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.208947][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.209811][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.210745][ T5234] sync_lazytime+0x1a8/0x694 [ 55.211557][ T5234] iput+0x1f0/0xc2c [ 55.212249][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.213148][ T5234] dentry_kill+0x1dc/0x840 [ 55.213956][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.214863][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.215743][ T5234] do_one_tree+0x24/0x58 [ 55.216479][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.217484][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.218420][ T5234] kill_block_super+0x48/0x94 [ 55.219284][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.220029][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.220912][ T5234] deactivate_super+0xd8/0xf8 [ 55.221703][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.222499][ T5234] __cleanup_mnt+0x20/0x30 [ 55.223273][ T5234] task_work_run+0x1cc/0x25c [ 55.224022][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.224927][ T5234] el0_svc+0x18c/0x260 [ 55.225618][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.226502][ T5234] el0t_64_sync+0x198/0x19c [ 55.227279][ T5234] irq event stamp: 375324 [ 55.228000][ T5234] hardirqs last enabled at (375323): [] finish_task_switch+0x234/0x858 [ 55.229705][ T5234] hardirqs last disabled at (375324): [] el1_brk64+0x20/0x54 [ 55.231191][ T5234] softirqs last enabled at (375314): [] kernel_neon_begin+0x294/0x400 [ 55.232864][ T5234] softirqs last disabled at (375312): [] kernel_neon_begin+0x11c/0x400 [ 55.234574][ T5234] ---[ end trace 0000000000000000 ]--- [ 55.270634][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.272715][ T5234] ------------[ cut here ]------------ [ 55.272723][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 55.275556][ T5234] Modules linked in: [ 55.276242][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.278012][ T5234] Tainted: [W]=WARN [ 55.278662][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.280420][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.281798][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.282959][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.284092][ T5234] sp : ffff800098ca6fc0 [ 55.284813][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e027a7e8 [ 55.286314][ T5234] x26: 0000000000000001 x25: ffff0000f01c0000 x24: 0000000000000001 [ 55.287750][ T5234] x23: ffff0000cf314000 x22: 000000000000feeb x21: ffff0000e027a7c0 [ 55.289205][ T5234] x20: ffff700013194e08 x19: ffff0000cf314068 x18: 1fffe00034bbbe28 [ 55.290671][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 55.292101][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 55.293503][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.294933][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.296340][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 55.297732][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.299053][ T5234] Call trace: [ 55.299582][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.300666][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.301546][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.302520][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.303455][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.304392][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.305223][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.306129][ T5234] sync_lazytime+0x1a8/0x694 [ 55.306950][ T5234] iput+0x1f0/0xc2c [ 55.307649][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.308545][ T5234] dentry_kill+0x1dc/0x840 [ 55.309306][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.310213][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.311056][ T5234] do_one_tree+0x24/0x58 [ 55.311746][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.312670][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.313598][ T5234] kill_block_super+0x48/0x94 [ 55.314373][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.315122][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.316051][ T5234] deactivate_super+0xd8/0xf8 [ 55.316835][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.317572][ T5234] __cleanup_mnt+0x20/0x30 [ 55.318313][ T5234] task_work_run+0x1cc/0x25c [ 55.319121][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.320062][ T5234] el0_svc+0x18c/0x260 [ 55.320793][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.321647][ T5234] el0t_64_sync+0x198/0x19c [ 55.322415][ T5234] irq event stamp: 381970 [ 55.323163][ T5234] hardirqs last enabled at (381969): [] finish_task_switch+0x234/0x858 [ 55.324940][ T5234] hardirqs last disabled at (381970): [] el1_brk64+0x20/0x54 [ 55.326452][ T5234] softirqs last enabled at (381960): [] kernel_neon_begin+0x294/0x400 [ 55.328077][ T5234] softirqs last disabled at (381958): [] kernel_neon_begin+0x11c/0x400 [ 55.329700][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 55.375071][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.375191][ T5234] ------------[ cut here ]------------ [ 55.375197][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 55.380710][ T5234] Modules linked in: [ 55.381394][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.383177][ T5234] Tainted: [W]=WARN [ 55.383918][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.385620][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.387183][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.388481][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.389635][ T5234] sp : ffff800098ca6fc0 [ 55.390311][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3ee988 [ 55.391738][ T5234] x26: 0000000000000001 x25: ffff0000def50000 x24: 0000000000000001 [ 55.393177][ T5234] x23: ffff0000d07ba000 x22: 000000000000feeb x21: ffff0000ef3ee960 [ 55.394684][ T5234] x20: ffff700013194e08 x19: ffff0000d07ba068 x18: 1fffe00034bb7428 [ 55.396087][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.397483][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.398877][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.400263][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 55.401650][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 55.403014][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.404460][ T5234] Call trace: [ 55.405038][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.406142][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.407074][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.408083][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.409107][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.410056][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.410872][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.411739][ T5234] sync_lazytime+0x1a8/0x694 [ 55.412548][ T5234] iput+0x1f0/0xc2c [ 55.413240][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.414135][ T5234] dentry_kill+0x1dc/0x840 [ 55.414911][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.415815][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.416656][ T5234] do_one_tree+0x24/0x58 [ 55.417391][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.418336][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.419219][ T5234] kill_block_super+0x48/0x94 [ 55.420004][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.420765][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.421687][ T5234] deactivate_super+0xd8/0xf8 [ 55.422509][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.423289][ T5234] __cleanup_mnt+0x20/0x30 [ 55.424072][ T5234] task_work_run+0x1cc/0x25c [ 55.424870][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.425766][ T5234] el0_svc+0x18c/0x260 [ 55.426468][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.427375][ T5234] el0t_64_sync+0x198/0x19c [ 55.428171][ T5234] irq event stamp: 387682 [ 55.428915][ T5234] hardirqs last enabled at (387681): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 55.430747][ T5234] hardirqs last disabled at (387682): [] el1_brk64+0x20/0x54 [ 55.432264][ T5234] softirqs last enabled at (387674): [] kernel_neon_begin+0x294/0x400 [ 55.433939][ T5234] softirqs last disabled at (387672): [] kernel_neon_begin+0x11c/0x400 [ 55.435543][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 55.480363][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.480480][ T5234] ------------[ cut here ]------------ [ 55.480485][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 55.486136][ T5234] Modules linked in: [ 55.486879][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.488715][ T5234] Tainted: [W]=WARN [ 55.489401][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.491141][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.492457][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.493619][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.494773][ T5234] sp : ffff800098ca6fc0 [ 55.495498][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3e6028 [ 55.496842][ T5234] x26: 0000000000000001 x25: ffff0000edfc0000 x24: 0000000000000001 [ 55.498186][ T5234] x23: ffff0000dcef4000 x22: 000000000000feeb x21: ffff0000ef3e6000 [ 55.499516][ T5234] x20: ffff700013194e08 x19: ffff0000dcef4068 x18: 1fffe00034bb7428 [ 55.500874][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.502197][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.503582][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.504955][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 55.506352][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 55.507764][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.509137][ T5234] Call trace: [ 55.509700][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.510887][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.511771][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.512753][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.513792][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.514679][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.515492][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.516356][ T5234] sync_lazytime+0x1a8/0x694 [ 55.517155][ T5234] iput+0x1f0/0xc2c [ 55.517837][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.518693][ T5234] dentry_kill+0x1dc/0x840 [ 55.519463][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.520333][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.521173][ T5234] do_one_tree+0x24/0x58 [ 55.521879][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.522825][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.523747][ T5234] kill_block_super+0x48/0x94 [ 55.524565][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.525288][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.526206][ T5234] deactivate_super+0xd8/0xf8 [ 55.527042][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.527799][ T5234] __cleanup_mnt+0x20/0x30 [ 55.528585][ T5234] task_work_run+0x1cc/0x25c [ 55.529415][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.530393][ T5234] el0_svc+0x18c/0x260 [ 55.531136][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.532003][ T5234] el0t_64_sync+0x198/0x19c [ 55.532729][ T5234] irq event stamp: 392702 [ 55.533460][ T5234] hardirqs last enabled at (392701): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 55.535214][ T5234] hardirqs last disabled at (392702): [] el1_brk64+0x20/0x54 [ 55.536806][ T5234] softirqs last enabled at (392694): [] kernel_neon_begin+0x294/0x400 [ 55.538461][ T5234] softirqs last disabled at (392692): [] kernel_neon_begin+0x11c/0x400 [ 55.540106][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 55.569403][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.569525][ T5234] ------------[ cut here ]------------ [ 55.569529][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 55.575081][ T5234] Modules linked in: [ 55.575774][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.577626][ T5234] Tainted: [W]=WARN [ 55.578324][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.579997][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.581410][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.582567][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.583725][ T5234] sp : ffff800098ca6fc0 [ 55.584501][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3ec408 [ 55.585945][ T5234] x26: 0000000000000001 x25: ffff0000df550000 x24: 0000000000000001 [ 55.587332][ T5234] x23: ffff0000d89ae000 x22: 000000000000feeb x21: ffff0000ef3ec3e0 [ 55.588789][ T5234] x20: ffff700013194e08 x19: ffff0000d89ae068 x18: 1fffe00034bb7428 [ 55.590214][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.591649][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.593043][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.594467][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 55.595875][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 55.597306][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.598741][ T5234] Call trace: [ 55.599295][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.600446][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.601357][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.602352][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.603320][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.604292][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.605081][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.605941][ T5234] sync_lazytime+0x1a8/0x694 [ 55.606730][ T5234] iput+0x1f0/0xc2c [ 55.607359][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.608206][ T5234] dentry_kill+0x1dc/0x840 [ 55.608985][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.609825][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.610713][ T5234] do_one_tree+0x24/0x58 [ 55.611520][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.612435][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.613319][ T5234] kill_block_super+0x48/0x94 [ 55.614152][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.614930][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.615883][ T5234] deactivate_super+0xd8/0xf8 [ 55.616668][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.617459][ T5234] __cleanup_mnt+0x20/0x30 [ 55.618242][ T5234] task_work_run+0x1cc/0x25c [ 55.619030][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.620018][ T5234] el0_svc+0x18c/0x260 [ 55.620764][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.621656][ T5234] el0t_64_sync+0x198/0x19c [ 55.622442][ T5234] irq event stamp: 398852 [ 55.623213][ T5234] hardirqs last enabled at (398851): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 55.624998][ T5234] hardirqs last disabled at (398852): [] el1_brk64+0x20/0x54 [ 55.626495][ T5234] softirqs last enabled at (398844): [] kernel_neon_begin+0x294/0x400 [ 55.628217][ T5234] softirqs last disabled at (398842): [] kernel_neon_begin+0x11c/0x400 [ 55.629940][ T5234] ---[ end trace 0000000000000000 ]--- [ 55.631339][ T50] Bluetooth: hci0: command tx timeout [ 55.675684][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.677879][ T5234] ------------[ cut here ]------------ [ 55.677887][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 55.680562][ T5234] Modules linked in: [ 55.681192][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.682921][ T5234] Tainted: [W]=WARN [ 55.683588][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.685423][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.686840][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.688045][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.689215][ T5234] sp : ffff800098ca6fc0 [ 55.689952][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3eb148 [ 55.691433][ T5234] x26: 0000000000000001 x25: ffff0000ed270000 x24: 0000000000000001 [ 55.692875][ T5234] x23: ffff0000d7a10000 x22: 000000000000feeb x21: ffff0000ef3eb120 [ 55.694397][ T5234] x20: ffff700013194e08 x19: ffff0000d7a10068 x18: 1fffe00034bb7428 [ 55.695889][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 55.697306][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 55.698732][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.700183][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.701595][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 55.702990][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.704354][ T5234] Call trace: [ 55.704885][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.705973][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.706819][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.707793][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.708794][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.709710][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.710479][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.711343][ T5234] sync_lazytime+0x1a8/0x694 [ 55.712097][ T5234] iput+0x1f0/0xc2c [ 55.712752][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.713600][ T5234] dentry_kill+0x1dc/0x840 [ 55.714351][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.715220][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.716143][ T5234] do_one_tree+0x24/0x58 [ 55.716869][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.717801][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.718688][ T5234] kill_block_super+0x48/0x94 [ 55.719518][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.720251][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.721213][ T5234] deactivate_super+0xd8/0xf8 [ 55.722055][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.722824][ T5234] __cleanup_mnt+0x20/0x30 [ 55.723582][ T5234] task_work_run+0x1cc/0x25c [ 55.724395][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.725305][ T5234] el0_svc+0x18c/0x260 [ 55.726003][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.726851][ T5234] el0t_64_sync+0x198/0x19c [ 55.727609][ T5234] irq event stamp: 404378 [ 55.728331][ T5234] hardirqs last enabled at (404377): [] finish_task_switch+0x234/0x858 [ 55.729975][ T5234] hardirqs last disabled at (404378): [] el1_brk64+0x20/0x54 [ 55.731454][ T5234] softirqs last enabled at (404368): [] kernel_neon_begin+0x294/0x400 [ 55.733161][ T5234] softirqs last disabled at (404366): [] kernel_neon_begin+0x11c/0x400 [ 55.734758][ T5234] ---[ end trace 0000000000000000 ]--- [ 55.783311][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.783432][ T5234] ------------[ cut here ]------------ [ 55.783439][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 55.788484][ T5234] Modules linked in: [ 55.789141][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.790917][ T5234] Tainted: [W]=WARN [ 55.791584][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.793286][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.794666][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.795884][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.797100][ T5234] sp : ffff800098ca6fc0 [ 55.797864][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3f6988 [ 55.799246][ T5234] x26: 0000000000000001 x25: ffff0000f0140000 x24: 0000000000000001 [ 55.800610][ T5234] x23: ffff0000de482000 x22: 000000000000feeb x21: ffff0000ef3f6960 [ 55.802026][ T5234] x20: ffff700013194e08 x19: ffff0000de482068 x18: 1fffe00034bbbe28 [ 55.803473][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.804849][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.806190][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.807509][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 55.808824][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 55.810195][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.811557][ T5234] Call trace: [ 55.812105][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.813241][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.814162][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.815192][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.816182][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.817124][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.817988][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.818840][ T5234] sync_lazytime+0x1a8/0x694 [ 55.819683][ T5234] iput+0x1f0/0xc2c [ 55.820378][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.821308][ T5234] dentry_kill+0x1dc/0x840 [ 55.822144][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.823030][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.823881][ T5234] do_one_tree+0x24/0x58 [ 55.824622][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.825675][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.826632][ T5234] kill_block_super+0x48/0x94 [ 55.827452][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.828229][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.829148][ T5234] deactivate_super+0xd8/0xf8 [ 55.829957][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.830668][ T5234] __cleanup_mnt+0x20/0x30 [ 55.831429][ T5234] task_work_run+0x1cc/0x25c [ 55.832189][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.833085][ T5234] el0_svc+0x18c/0x260 [ 55.833753][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.834627][ T5234] el0t_64_sync+0x198/0x19c [ 55.835410][ T5234] irq event stamp: 409864 [ 55.836146][ T5234] hardirqs last enabled at (409863): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 55.838124][ T5234] hardirqs last disabled at (409864): [] el1_brk64+0x20/0x54 [ 55.839645][ T5234] softirqs last enabled at (409856): [] kernel_neon_begin+0x294/0x400 [ 55.841332][ T5234] softirqs last disabled at (409854): [] kernel_neon_begin+0x11c/0x400 [ 55.843041][ T5234] ---[ end trace 0000000000000000 ]--- [ 55.882450][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.885256][ T5234] ------------[ cut here ]------------ [ 55.885268][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 55.888217][ T5234] Modules linked in: [ 55.888875][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.890679][ T5234] Tainted: [W]=WARN [ 55.891350][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 55.893050][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.894552][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 55.895745][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 55.896968][ T5234] sp : ffff800098ca6fc0 [ 55.897711][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3e27e8 [ 55.899189][ T5234] x26: 0000000000000001 x25: ffff0000dcf80000 x24: 0000000000000001 [ 55.900632][ T5234] x23: ffff0000cf9f8000 x22: 000000000000feeb x21: ffff0000ef3e27c0 [ 55.902137][ T5234] x20: ffff700013194e08 x19: ffff0000cf9f8068 x18: 1fffe00034bbbe28 [ 55.903591][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 55.905006][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 55.906435][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 55.907844][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.909243][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 55.910660][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 55.912053][ T5234] Call trace: [ 55.912614][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 55.913694][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 55.914603][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 55.915645][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 55.916617][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 55.917543][ T5234] ext4_dirty_inode+0xd8/0x114 [ 55.918373][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 55.919266][ T5234] sync_lazytime+0x1a8/0x694 [ 55.920068][ T5234] iput+0x1f0/0xc2c [ 55.920739][ T5234] dentry_unlink_inode+0x380/0x45c [ 55.921680][ T5234] dentry_kill+0x1dc/0x840 [ 55.922456][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 55.923334][ T5234] shrink_dcache_tree+0x13c/0x35c [ 55.924221][ T5234] do_one_tree+0x24/0x58 [ 55.924912][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 55.925810][ T5234] generic_shutdown_super+0x74/0x2c0 [ 55.926705][ T5234] kill_block_super+0x48/0x94 [ 55.927505][ T5234] ext4_kill_sb+0x68/0xa4 [ 55.928240][ T5234] deactivate_locked_super+0xcc/0x148 [ 55.929133][ T5234] deactivate_super+0xd8/0xf8 [ 55.929898][ T5234] cleanup_mnt+0x318/0x3a8 [ 55.930632][ T5234] __cleanup_mnt+0x20/0x30 [ 55.931355][ T5234] task_work_run+0x1cc/0x25c [ 55.932125][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 55.933008][ T5234] el0_svc+0x18c/0x260 [ 55.933651][ T5234] el0t_64_sync_handler+0x44/0x104 [ 55.934474][ T5234] el0t_64_sync+0x198/0x19c [ 55.935223][ T5234] irq event stamp: 415164 [ 55.935931][ T5234] hardirqs last enabled at (415163): [] finish_task_switch+0x234/0x858 [ 55.937635][ T5234] hardirqs last disabled at (415164): [] el1_brk64+0x20/0x54 [ 55.939049][ T5234] softirqs last enabled at (415154): [] kernel_neon_begin+0x294/0x400 [ 55.940591][ T5234] softirqs last disabled at (415152): [] kernel_neon_begin+0x11c/0x400 [ 55.942165][ T5234] ---[ end trace 0000000000000000 ]--- [ 55.960100][ T5523] set_capacity_and_notify: 39 callbacks suppressed [ 55.961327][ T5523] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.003294][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.003412][ T5234] ------------[ cut here ]------------ [ 56.003417][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.008817][ T5234] Modules linked in: [ 56.009489][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.011135][ T5234] Tainted: [W]=WARN [ 56.011707][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.013316][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.014561][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.015640][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.016721][ T5234] sp : ffff800098ca6fc0 [ 56.017414][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3f4408 [ 56.018755][ T5234] x26: 0000000000000001 x25: ffff0000eda20000 x24: 0000000000000001 [ 56.020071][ T5234] x23: ffff0000dcf8e000 x22: 000000000000feeb x21: ffff0000ef3f43e0 [ 56.021457][ T5234] x20: ffff700013194e08 x19: ffff0000dcf8e068 x18: 1fffe00034bbbe28 [ 56.022844][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.024309][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.025766][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.027188][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.028513][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.029901][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.031308][ T5234] Call trace: [ 56.031860][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.032910][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.033782][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.034707][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.035648][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.036552][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.037364][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.038235][ T5234] sync_lazytime+0x1a8/0x694 [ 56.039042][ T5234] iput+0x1f0/0xc2c [ 56.039675][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.040549][ T5234] dentry_kill+0x1dc/0x840 [ 56.041304][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.042177][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.043015][ T5234] do_one_tree+0x24/0x58 [ 56.043728][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.044725][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.045688][ T5234] kill_block_super+0x48/0x94 [ 56.046505][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.047252][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.048174][ T5234] deactivate_super+0xd8/0xf8 [ 56.048966][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.049723][ T5234] __cleanup_mnt+0x20/0x30 [ 56.050509][ T5234] task_work_run+0x1cc/0x25c [ 56.051293][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.052221][ T5234] el0_svc+0x18c/0x260 [ 56.052883][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.053755][ T5234] el0t_64_sync+0x198/0x19c [ 56.054504][ T5234] irq event stamp: 422464 [ 56.055178][ T5234] hardirqs last enabled at (422463): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.056945][ T5234] hardirqs last disabled at (422464): [] el1_brk64+0x20/0x54 [ 56.058395][ T5234] softirqs last enabled at (422456): [] kernel_neon_begin+0x294/0x400 [ 56.059983][ T5234] softirqs last disabled at (422454): [] kernel_neon_begin+0x11c/0x400 [ 56.061672][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.080412][ T5527] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.094229][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.094346][ T5234] ------------[ cut here ]------------ [ 56.094351][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.099689][ T5234] Modules linked in: [ 56.100374][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.102033][ T5234] Tainted: [W]=WARN [ 56.102638][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.104376][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.105752][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.106950][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.108124][ T5234] sp : ffff800098ca6fc0 [ 56.108865][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2a6028 [ 56.110339][ T5234] x26: 0000000000000001 x25: ffff0000eda20000 x24: 0000000000000001 [ 56.111812][ T5234] x23: ffff0000d0636000 x22: 000000000000feeb x21: ffff0000db2a6000 [ 56.113268][ T5234] x20: ffff700013194e08 x19: ffff0000d0636068 x18: 1fffe00034bbbe28 [ 56.114755][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.116202][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.117675][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.119086][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.120512][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.121962][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.123458][ T5234] Call trace: [ 56.124071][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.125100][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.126045][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.127123][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.128175][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.129160][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.129993][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.130977][ T5234] sync_lazytime+0x1a8/0x694 [ 56.131810][ T5234] iput+0x1f0/0xc2c [ 56.132443][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.133360][ T5234] dentry_kill+0x1dc/0x840 [ 56.134175][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.135084][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.135989][ T5234] do_one_tree+0x24/0x58 [ 56.136798][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.137703][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.138595][ T5234] kill_block_super+0x48/0x94 [ 56.139391][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.140152][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.141084][ T5234] deactivate_super+0xd8/0xf8 [ 56.141900][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.142657][ T5234] __cleanup_mnt+0x20/0x30 [ 56.143406][ T5234] task_work_run+0x1cc/0x25c [ 56.144207][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.145137][ T5234] el0_svc+0x18c/0x260 [ 56.145888][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.146822][ T5234] el0t_64_sync+0x198/0x19c [ 56.147623][ T5234] irq event stamp: 428596 [ 56.148319][ T5234] hardirqs last enabled at (428595): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.150238][ T5234] hardirqs last disabled at (428596): [] el1_brk64+0x20/0x54 [ 56.151709][ T5234] softirqs last enabled at (428588): [] kernel_neon_begin+0x294/0x400 [ 56.153337][ T5234] softirqs last disabled at (428586): [] kernel_neon_begin+0x11c/0x400 [ 56.155000][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.177031][ T5531] loop0: detected capacity change from 0 to 1024 [ 56.198659][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.200916][ T5234] ------------[ cut here ]------------ [ 56.200924][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.203743][ T5234] Modules linked in: [ 56.204427][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.206209][ T5234] Tainted: [W]=WARN [ 56.206878][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.208670][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.210059][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.211221][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.212385][ T5234] sp : ffff800098ca6fc0 [ 56.213072][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3f1e88 [ 56.214400][ T5234] x26: 0000000000000001 x25: ffff0000edd60000 x24: 0000000000000001 [ 56.215792][ T5234] x23: ffff0000d1fa0000 x22: 000000000000feeb x21: ffff0000ef3f1e60 [ 56.217456][ T5234] x20: ffff700013194e08 x19: ffff0000d1fa0068 x18: 1fffe00034bbbe28 [ 56.219088][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 56.220757][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 56.222415][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.224045][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 56.225609][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 56.226988][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.228404][ T5234] Call trace: [ 56.228999][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.230174][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.231140][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.232182][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.233210][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.234196][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.235047][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.235978][ T5234] sync_lazytime+0x1a8/0x694 [ 56.236801][ T5234] iput+0x1f0/0xc2c [ 56.237488][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.238420][ T5234] dentry_kill+0x1dc/0x840 [ 56.239217][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.240116][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.240973][ T5234] do_one_tree+0x24/0x58 [ 56.241728][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.242723][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.243678][ T5234] kill_block_super+0x48/0x94 [ 56.244517][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.245304][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.246291][ T5234] deactivate_super+0xd8/0xf8 [ 56.247108][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.247892][ T5234] __cleanup_mnt+0x20/0x30 [ 56.248688][ T5234] task_work_run+0x1cc/0x25c [ 56.249495][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.250430][ T5234] el0_svc+0x18c/0x260 [ 56.251138][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.252032][ T5234] el0t_64_sync+0x198/0x19c [ 56.252914][ T5234] irq event stamp: 433944 [ 56.253641][ T5234] hardirqs last enabled at (433943): [] finish_task_switch+0x234/0x858 [ 56.255336][ T5234] hardirqs last disabled at (433944): [] el1_brk64+0x20/0x54 [ 56.256925][ T5234] softirqs last enabled at (433934): [] kernel_neon_begin+0x294/0x400 [ 56.258637][ T5234] softirqs last disabled at (433932): [] kernel_neon_begin+0x11c/0x400 [ 56.260381][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.286433][ T5535] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 56.298546][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.298665][ T5234] ------------[ cut here ]------------ [ 56.298670][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 56.304022][ T5234] Modules linked in: [ 56.304717][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.306480][ T5234] Tainted: [W]=WARN [ 56.307147][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.308820][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.310172][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.311366][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.312504][ T5234] sp : ffff800098ca6fc0 [ 56.313243][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2a3aa8 [ 56.314702][ T5234] x26: 0000000000000001 x25: ffff0000de640000 x24: 0000000000000001 [ 56.316110][ T5234] x23: ffff0000d5472000 x22: 000000000000feeb x21: ffff0000db2a3a80 [ 56.317511][ T5234] x20: ffff700013194e08 x19: ffff0000d5472068 x18: 1fffe00034bb7428 [ 56.318966][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.320413][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.322070][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.323592][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.325093][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.326579][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.328129][ T5234] Call trace: [ 56.328761][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.329963][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.330928][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.331991][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.333063][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.333994][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.334831][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.335718][ T5234] sync_lazytime+0x1a8/0x694 [ 56.336535][ T5234] iput+0x1f0/0xc2c [ 56.337215][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.338121][ T5234] dentry_kill+0x1dc/0x840 [ 56.338862][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.339733][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.340569][ T5234] do_one_tree+0x24/0x58 [ 56.341291][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.342285][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.343238][ T5234] kill_block_super+0x48/0x94 [ 56.344110][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.344945][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.345853][ T5234] deactivate_super+0xd8/0xf8 [ 56.346691][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.347455][ T5234] __cleanup_mnt+0x20/0x30 [ 56.348222][ T5234] task_work_run+0x1cc/0x25c [ 56.349192][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.350153][ T5234] el0_svc+0x18c/0x260 [ 56.350874][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.351790][ T5234] el0t_64_sync+0x198/0x19c [ 56.352593][ T5234] irq event stamp: 439276 [ 56.353360][ T5234] hardirqs last enabled at (439275): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.355258][ T5234] hardirqs last disabled at (439276): [] el1_brk64+0x20/0x54 [ 56.356873][ T5234] softirqs last enabled at (439268): [] kernel_neon_begin+0x294/0x400 [ 56.358724][ T5234] softirqs last disabled at (439266): [] kernel_neon_begin+0x11c/0x400 [ 56.360539][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.382128][ T5539] loop0: detected capacity change from 0 to 1024 [ 56.399085][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.399205][ T5234] ------------[ cut here ]------------ [ 56.399212][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.404147][ T5234] Modules linked in: [ 56.404955][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.406989][ T5234] Tainted: [W]=WARN [ 56.407645][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.409399][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.410827][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.411960][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.413136][ T5234] sp : ffff800098ca6fc0 [ 56.413870][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2a27e8 [ 56.415314][ T5234] x26: 0000000000000001 x25: ffff0000dfef0000 x24: 0000000000000001 [ 56.416641][ T5234] x23: ffff0000d0878000 x22: 000000000000feeb x21: ffff0000db2a27c0 [ 56.418045][ T5234] x20: ffff700013194e08 x19: ffff0000d0878068 x18: 00000000ffffffff [ 56.419391][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.420733][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.422096][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.423475][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.424878][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.426553][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.428084][ T5234] Call trace: [ 56.428685][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.429828][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.430786][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.431810][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.432756][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.433698][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.434525][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.435396][ T5234] sync_lazytime+0x1a8/0x694 [ 56.436202][ T5234] iput+0x1f0/0xc2c [ 56.436863][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.437735][ T5234] dentry_kill+0x1dc/0x840 [ 56.438463][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.439327][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.440177][ T5234] do_one_tree+0x24/0x58 [ 56.440877][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.441838][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.442723][ T5234] kill_block_super+0x48/0x94 [ 56.443529][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.444319][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.445267][ T5234] deactivate_super+0xd8/0xf8 [ 56.446049][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.446860][ T5234] __cleanup_mnt+0x20/0x30 [ 56.447654][ T5234] task_work_run+0x1cc/0x25c [ 56.448501][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.449479][ T5234] el0_svc+0x18c/0x260 [ 56.450164][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.451093][ T5234] el0t_64_sync+0x198/0x19c [ 56.451907][ T5234] irq event stamp: 445308 [ 56.452689][ T5234] hardirqs last enabled at (445307): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.454539][ T5234] hardirqs last disabled at (445308): [] el1_brk64+0x20/0x54 [ 56.456102][ T5234] softirqs last enabled at (445300): [] kernel_neon_begin+0x294/0x400 [ 56.457870][ T5234] softirqs last disabled at (445298): [] kernel_neon_begin+0x11c/0x400 [ 56.459648][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.477372][ T5543] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.488173][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.488288][ T5234] ------------[ cut here ]------------ [ 56.488293][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.493399][ T5234] Modules linked in: [ 56.494034][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.495790][ T5234] Tainted: [W]=WARN [ 56.496425][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.498171][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.499513][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.500866][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.502045][ T5234] sp : ffff800098ca6fc0 [ 56.502756][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2a0268 [ 56.504130][ T5234] x26: 0000000000000001 x25: ffff0000df520000 x24: 0000000000000001 [ 56.505514][ T5234] x23: ffff0000cefc2000 x22: 000000000000feeb x21: ffff0000db2a0240 [ 56.506944][ T5234] x20: ffff700013194e08 x19: ffff0000cefc2068 x18: 1fffe00034bbbe28 [ 56.508308][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.509653][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.511069][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.512423][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.513819][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.515247][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.516696][ T5234] Call trace: [ 56.517289][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.518462][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.519492][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.520504][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.521474][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.522428][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.523227][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.524087][ T5234] sync_lazytime+0x1a8/0x694 [ 56.524914][ T5234] iput+0x1f0/0xc2c [ 56.525575][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.526424][ T5234] dentry_kill+0x1dc/0x840 [ 56.527222][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.528125][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.528938][ T5234] do_one_tree+0x24/0x58 [ 56.529605][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.530564][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.531528][ T5234] kill_block_super+0x48/0x94 [ 56.532388][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.533115][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.534075][ T5234] deactivate_super+0xd8/0xf8 [ 56.534896][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.535686][ T5234] __cleanup_mnt+0x20/0x30 [ 56.536474][ T5234] task_work_run+0x1cc/0x25c [ 56.537266][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.538215][ T5234] el0_svc+0x18c/0x260 [ 56.538927][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.539857][ T5234] el0t_64_sync+0x198/0x19c [ 56.540686][ T5234] irq event stamp: 450998 [ 56.541464][ T5234] hardirqs last enabled at (450997): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.543349][ T5234] hardirqs last disabled at (450998): [] el1_brk64+0x20/0x54 [ 56.544960][ T5234] softirqs last enabled at (450990): [] kernel_neon_begin+0x294/0x400 [ 56.546641][ T5234] softirqs last disabled at (450988): [] kernel_neon_begin+0x11c/0x400 [ 56.548379][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.567133][ T5547] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.578281][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.578397][ T5234] ------------[ cut here ]------------ [ 56.578402][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.583569][ T5234] Modules linked in: [ 56.584225][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.586123][ T5234] Tainted: [W]=WARN [ 56.586798][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.588505][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.589906][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.591095][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.592277][ T5234] sp : ffff800098ca6fc0 [ 56.592984][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0204408 [ 56.594392][ T5234] x26: 0000000000000001 x25: ffff0000decc0000 x24: 0000000000000001 [ 56.595807][ T5234] x23: ffff0000d2410000 x22: 000000000000feeb x21: ffff0000e02043e0 [ 56.597261][ T5234] x20: ffff700013194e08 x19: ffff0000d2410068 x18: 0000000000000000 [ 56.598705][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.600106][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.601783][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.603460][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.604860][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.606264][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.607662][ T5234] Call trace: [ 56.608227][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.609362][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.610291][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.611257][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.612182][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.613107][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.613906][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.614744][ T5234] sync_lazytime+0x1a8/0x694 [ 56.615525][ T5234] iput+0x1f0/0xc2c [ 56.616199][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.617076][ T5234] dentry_kill+0x1dc/0x840 [ 56.617821][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.618677][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.619514][ T5234] do_one_tree+0x24/0x58 [ 56.620215][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.621128][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.622023][ T5234] kill_block_super+0x48/0x94 [ 56.622861][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.623625][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.624617][ T5234] deactivate_super+0xd8/0xf8 [ 56.625421][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.626166][ T5234] __cleanup_mnt+0x20/0x30 [ 56.626891][ T5234] task_work_run+0x1cc/0x25c [ 56.627660][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.628592][ T5234] el0_svc+0x18c/0x260 [ 56.629300][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.630215][ T5234] el0t_64_sync+0x198/0x19c [ 56.630966][ T5234] irq event stamp: 456908 [ 56.631656][ T5234] hardirqs last enabled at (456907): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.633392][ T5234] hardirqs last disabled at (456908): [] el1_brk64+0x20/0x54 [ 56.634895][ T5234] softirqs last enabled at (456900): [] kernel_neon_begin+0x294/0x400 [ 56.636554][ T5234] softirqs last disabled at (456898): [] kernel_neon_begin+0x11c/0x400 [ 56.638234][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.654990][ T5551] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.685416][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.685542][ T5234] ------------[ cut here ]------------ [ 56.685546][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.691021][ T5234] Modules linked in: [ 56.691741][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.693601][ T5234] Tainted: [W]=WARN [ 56.694262][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.695962][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.697295][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.698432][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.699547][ T5234] sp : ffff800098ca6fc0 [ 56.700240][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0353aa8 [ 56.701639][ T5234] x26: 0000000000000001 x25: ffff0000ed320000 x24: 0000000000000001 [ 56.703004][ T5234] x23: ffff0000d34a4000 x22: 000000000000feeb x21: ffff0000e0353a80 [ 56.704387][ T5234] x20: ffff700013194e08 x19: ffff0000d34a4068 x18: 1fffe00034bbbe28 [ 56.705808][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.707212][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.708617][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.710060][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.711499][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.712938][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.714296][ T5234] Call trace: [ 56.714846][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.715908][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.716791][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.717730][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.718686][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.719627][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.720411][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.721317][ T5234] sync_lazytime+0x1a8/0x694 [ 56.722094][ T5234] iput+0x1f0/0xc2c [ 56.722724][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.723637][ T5234] dentry_kill+0x1dc/0x840 [ 56.724406][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.725234][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.726107][ T5234] do_one_tree+0x24/0x58 [ 56.726820][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.727760][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.728613][ T5234] kill_block_super+0x48/0x94 [ 56.729354][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.730058][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.730960][ T5234] deactivate_super+0xd8/0xf8 [ 56.731750][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.732531][ T5234] __cleanup_mnt+0x20/0x30 [ 56.733307][ T5234] task_work_run+0x1cc/0x25c [ 56.734045][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.734916][ T5234] el0_svc+0x18c/0x260 [ 56.735637][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.736542][ T5234] el0t_64_sync+0x198/0x19c [ 56.737377][ T5234] irq event stamp: 462874 [ 56.738118][ T5234] hardirqs last enabled at (462873): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.739877][ T5234] hardirqs last disabled at (462874): [] el1_brk64+0x20/0x54 [ 56.741362][ T5234] softirqs last enabled at (462866): [] kernel_neon_begin+0x294/0x400 [ 56.742993][ T5234] softirqs last disabled at (462864): [] kernel_neon_begin+0x11c/0x400 [ 56.744595][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.761141][ T5555] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 56.790122][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.790242][ T5234] ------------[ cut here ]------------ [ 56.790247][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.795891][ T5234] Modules linked in: [ 56.796580][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.798375][ T5234] Tainted: [W]=WARN [ 56.799039][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.800687][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.801953][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.803063][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.804154][ T5234] sp : ffff800098ca6fc0 [ 56.804881][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0351528 [ 56.806224][ T5234] x26: 0000000000000001 x25: ffff0000ed360000 x24: 0000000000000001 [ 56.807591][ T5234] x23: ffff0000ed31e000 x22: 000000000000feeb x21: ffff0000e0351500 [ 56.808981][ T5234] x20: ffff700013194e08 x19: ffff0000ed31e068 x18: 1fffe00034bbbe28 [ 56.810372][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.811717][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.813066][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.814457][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.815821][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.817238][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.818581][ T5234] Call trace: [ 56.819132][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.820286][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.821252][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.822305][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.823319][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.824308][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.825144][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.826066][ T5234] sync_lazytime+0x1a8/0x694 [ 56.826868][ T5234] iput+0x1f0/0xc2c [ 56.827520][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.828479][ T5234] dentry_kill+0x1dc/0x840 [ 56.829288][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.830182][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.831085][ T5234] do_one_tree+0x24/0x58 [ 56.831803][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.832748][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.833646][ T5234] kill_block_super+0x48/0x94 [ 56.834424][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.835119][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.835998][ T5234] deactivate_super+0xd8/0xf8 [ 56.836785][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.837560][ T5234] __cleanup_mnt+0x20/0x30 [ 56.838322][ T5234] task_work_run+0x1cc/0x25c [ 56.839126][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.840044][ T5234] el0_svc+0x18c/0x260 [ 56.840750][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.841648][ T5234] el0t_64_sync+0x198/0x19c [ 56.842431][ T5234] irq event stamp: 468158 [ 56.843179][ T5234] hardirqs last enabled at (468157): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.844915][ T5234] hardirqs last disabled at (468158): [] el1_brk64+0x20/0x54 [ 56.846407][ T5234] softirqs last enabled at (468150): [] kernel_neon_begin+0x294/0x400 [ 56.848212][ T5234] softirqs last disabled at (468148): [] kernel_neon_begin+0x11c/0x400 [ 56.849883][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.866722][ T5559] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.886951][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.887063][ T5234] ------------[ cut here ]------------ [ 56.887067][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.892267][ T5234] Modules linked in: [ 56.892925][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.894770][ T5234] Tainted: [W]=WARN [ 56.895459][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.897357][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.898736][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.899867][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.900973][ T5234] sp : ffff800098ca6fc0 [ 56.901731][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0206988 [ 56.903099][ T5234] x26: 0000000000000001 x25: ffff0000ed3d0000 x24: 0000000000000001 [ 56.904515][ T5234] x23: ffff0000cd5b2000 x22: 000000000000feeb x21: ffff0000e0206960 [ 56.905875][ T5234] x20: ffff700013194e08 x19: ffff0000cd5b2068 x18: 1fffe00034bbbe28 [ 56.907258][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.908671][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.910117][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 56.911449][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 56.912816][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 56.914246][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 56.915639][ T5234] Call trace: [ 56.916173][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 56.917302][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 56.918180][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 56.919113][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 56.920122][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 56.921084][ T5234] ext4_dirty_inode+0xd8/0x114 [ 56.921906][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 56.922737][ T5234] sync_lazytime+0x1a8/0x694 [ 56.923525][ T5234] iput+0x1f0/0xc2c [ 56.924208][ T5234] dentry_unlink_inode+0x380/0x45c [ 56.925149][ T5234] dentry_kill+0x1dc/0x840 [ 56.925923][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 56.926778][ T5234] shrink_dcache_tree+0x13c/0x35c [ 56.927659][ T5234] do_one_tree+0x24/0x58 [ 56.928412][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 56.929409][ T5234] generic_shutdown_super+0x74/0x2c0 [ 56.930325][ T5234] kill_block_super+0x48/0x94 [ 56.931151][ T5234] ext4_kill_sb+0x68/0xa4 [ 56.931864][ T5234] deactivate_locked_super+0xcc/0x148 [ 56.932749][ T5234] deactivate_super+0xd8/0xf8 [ 56.933566][ T5234] cleanup_mnt+0x318/0x3a8 [ 56.934371][ T5234] __cleanup_mnt+0x20/0x30 [ 56.935163][ T5234] task_work_run+0x1cc/0x25c [ 56.935978][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 56.936951][ T5234] el0_svc+0x18c/0x260 [ 56.937676][ T5234] el0t_64_sync_handler+0x44/0x104 [ 56.938590][ T5234] el0t_64_sync+0x198/0x19c [ 56.939382][ T5234] irq event stamp: 473146 [ 56.940157][ T5234] hardirqs last enabled at (473145): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 56.941972][ T5234] hardirqs last disabled at (473146): [] el1_brk64+0x20/0x54 [ 56.943467][ T5234] softirqs last enabled at (473138): [] kernel_neon_begin+0x294/0x400 [ 56.945094][ T5234] softirqs last disabled at (473136): [] kernel_neon_begin+0x11c/0x400 [ 56.946814][ T5234] ---[ end trace 0000000000000000 ]--- [ 56.978153][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.978264][ T5234] ------------[ cut here ]------------ [ 56.978270][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 56.983048][ T5234] Modules linked in: [ 56.983790][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.985633][ T5234] Tainted: [W]=WARN [ 56.986273][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 56.988026][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.989384][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 56.990518][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 56.991630][ T5234] sp : ffff800098ca6fc0 [ 56.992356][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e031a7e8 [ 56.993750][ T5234] x26: 0000000000000001 x25: ffff0000ed3d0000 x24: 0000000000000001 [ 56.995188][ T5234] x23: ffff0000cac7e000 x22: 000000000000feeb x21: ffff0000e031a7c0 [ 56.996632][ T5234] x20: ffff700013194e08 x19: ffff0000cac7e068 x18: 1fffe00034bbbe28 [ 56.998032][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.999418][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.000794][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.002179][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 57.003651][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 57.005158][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.006548][ T5234] Call trace: [ 57.007121][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.008260][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.009171][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.010119][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.011040][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.011981][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.012804][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.013717][ T5234] sync_lazytime+0x1a8/0x694 [ 57.014527][ T5234] iput+0x1f0/0xc2c [ 57.015219][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.016135][ T5234] dentry_kill+0x1dc/0x840 [ 57.016899][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.017766][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.018651][ T5234] do_one_tree+0x24/0x58 [ 57.019418][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.020413][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.021345][ T5234] kill_block_super+0x48/0x94 [ 57.022193][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.022954][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.023932][ T5234] deactivate_super+0xd8/0xf8 [ 57.024712][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.025461][ T5234] __cleanup_mnt+0x20/0x30 [ 57.026208][ T5234] task_work_run+0x1cc/0x25c [ 57.026993][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.027925][ T5234] el0_svc+0x18c/0x260 [ 57.028599][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.029503][ T5234] el0t_64_sync+0x198/0x19c [ 57.030313][ T5234] irq event stamp: 478488 [ 57.031047][ T5234] hardirqs last enabled at (478487): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 57.032929][ T5234] hardirqs last disabled at (478488): [] el1_brk64+0x20/0x54 [ 57.034446][ T5234] softirqs last enabled at (478480): [] kernel_neon_begin+0x294/0x400 [ 57.036187][ T5234] softirqs last disabled at (478478): [] kernel_neon_begin+0x11c/0x400 [ 57.037991][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.070910][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.071024][ T5234] ------------[ cut here ]------------ [ 57.071029][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 57.076788][ T5234] Modules linked in: [ 57.077436][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.079215][ T5234] Tainted: [W]=WARN [ 57.079849][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.081445][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.082750][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.083855][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.084950][ T5234] sp : ffff800098ca6fc0 [ 57.085652][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e026b148 [ 57.087050][ T5234] x26: 0000000000000001 x25: ffff0000ed3c0000 x24: 0000000000000001 [ 57.088485][ T5234] x23: ffff0000d6bbe000 x22: 000000000000feeb x21: ffff0000e026b120 [ 57.089862][ T5234] x20: ffff700013194e08 x19: ffff0000d6bbe068 x18: 1fffe00034bbbe28 [ 57.091249][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.092644][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.094069][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.095488][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 57.096839][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 57.098293][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.099712][ T5234] Call trace: [ 57.100283][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.101392][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.102303][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.103317][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.104275][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.105201][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.106046][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.106948][ T5234] sync_lazytime+0x1a8/0x694 [ 57.107751][ T5234] iput+0x1f0/0xc2c [ 57.108418][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.109304][ T5234] dentry_kill+0x1dc/0x840 [ 57.110101][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.110938][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.111767][ T5234] do_one_tree+0x24/0x58 [ 57.112482][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.113463][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.114377][ T5234] kill_block_super+0x48/0x94 [ 57.115150][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.115900][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.116785][ T5234] deactivate_super+0xd8/0xf8 [ 57.117530][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.118269][ T5234] __cleanup_mnt+0x20/0x30 [ 57.119000][ T5234] task_work_run+0x1cc/0x25c [ 57.119797][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.120753][ T5234] el0_svc+0x18c/0x260 [ 57.121485][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.122375][ T5234] el0t_64_sync+0x198/0x19c [ 57.123116][ T5234] irq event stamp: 484684 [ 57.123807][ T5234] hardirqs last enabled at (484683): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 57.125641][ T5234] hardirqs last disabled at (484684): [] el1_brk64+0x20/0x54 [ 57.127238][ T5234] softirqs last enabled at (484676): [] kernel_neon_begin+0x294/0x400 [ 57.128875][ T5234] softirqs last disabled at (484674): [] kernel_neon_begin+0x11c/0x400 [ 57.130487][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.158016][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.158134][ T5234] ------------[ cut here ]------------ [ 57.158139][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 57.163371][ T5234] Modules linked in: [ 57.164134][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.165989][ T5234] Tainted: [W]=WARN [ 57.166658][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.168457][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.169838][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.170984][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.172084][ T5234] sp : ffff800098ca6fc0 [ 57.172797][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0356028 [ 57.174251][ T5234] x26: 0000000000000001 x25: ffff0000ed3c0000 x24: 0000000000000001 [ 57.175641][ T5234] x23: ffff0000cec82000 x22: 000000000000feeb x21: ffff0000e0356000 [ 57.176962][ T5234] x20: ffff700013194e08 x19: ffff0000cec82068 x18: 1fffe00034bbbe28 [ 57.178288][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.179596][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.180900][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.182189][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 57.183520][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 57.184910][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.186243][ T5234] Call trace: [ 57.186746][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.187830][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.188713][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.189649][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.190658][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.191590][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.192377][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.193288][ T5234] sync_lazytime+0x1a8/0x694 [ 57.194035][ T5234] iput+0x1f0/0xc2c [ 57.194674][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.195547][ T5234] dentry_kill+0x1dc/0x840 [ 57.196277][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.197140][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.198004][ T5234] do_one_tree+0x24/0x58 [ 57.198748][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.199732][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.200660][ T5234] kill_block_super+0x48/0x94 [ 57.201490][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.202276][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.203197][ T5234] deactivate_super+0xd8/0xf8 [ 57.204018][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.204804][ T5234] __cleanup_mnt+0x20/0x30 [ 57.205563][ T5234] task_work_run+0x1cc/0x25c [ 57.206363][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.207324][ T5234] el0_svc+0x18c/0x260 [ 57.208066][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.209097][ T5234] el0t_64_sync+0x198/0x19c [ 57.210010][ T5234] irq event stamp: 491134 [ 57.210819][ T5234] hardirqs last enabled at (491133): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 57.212670][ T5234] hardirqs last disabled at (491134): [] el1_brk64+0x20/0x54 [ 57.214450][ T5234] softirqs last enabled at (491126): [] kernel_neon_begin+0x294/0x400 [ 57.216377][ T5234] softirqs last disabled at (491124): [] kernel_neon_begin+0x11c/0x400 [ 57.218053][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.268246][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.268362][ T5234] ------------[ cut here ]------------ [ 57.268367][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 57.273899][ T5234] Modules linked in: [ 57.274625][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.276531][ T5234] Tainted: [W]=WARN [ 57.277143][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.278802][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.280069][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.281216][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.282348][ T5234] sp : ffff800098ca6fc0 [ 57.283051][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0201e88 [ 57.284448][ T5234] x26: 0000000000000001 x25: ffff0000d1e90000 x24: 0000000000000001 [ 57.285906][ T5234] x23: ffff0000d4346000 x22: 000000000000feeb x21: ffff0000e0201e60 [ 57.287296][ T5234] x20: ffff700013194e08 x19: ffff0000d4346068 x18: 1fffe00034bbbe28 [ 57.288709][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.290116][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.291457][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.292877][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 57.294304][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 57.295719][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.297074][ T5234] Call trace: [ 57.297641][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.298735][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.299665][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.300735][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.301675][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.302612][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.303426][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.304365][ T5234] sync_lazytime+0x1a8/0x694 [ 57.305115][ T5234] iput+0x1f0/0xc2c [ 57.305756][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.306631][ T5234] dentry_kill+0x1dc/0x840 [ 57.307392][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.308264][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.309139][ T5234] do_one_tree+0x24/0x58 [ 57.309870][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.310826][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.311714][ T5234] kill_block_super+0x48/0x94 [ 57.312541][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.313337][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.314328][ T5234] deactivate_super+0xd8/0xf8 [ 57.315141][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.315919][ T5234] __cleanup_mnt+0x20/0x30 [ 57.316694][ T5234] task_work_run+0x1cc/0x25c [ 57.317471][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.318416][ T5234] el0_svc+0x18c/0x260 [ 57.319161][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.320098][ T5234] el0t_64_sync+0x198/0x19c [ 57.320933][ T5234] irq event stamp: 496632 [ 57.321670][ T5234] hardirqs last enabled at (496631): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 57.323431][ T5234] hardirqs last disabled at (496632): [] el1_brk64+0x20/0x54 [ 57.324928][ T5234] softirqs last enabled at (496624): [] kernel_neon_begin+0x294/0x400 [ 57.327014][ T5234] softirqs last disabled at (496622): [] kernel_neon_begin+0x11c/0x400 [ 57.328728][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.368393][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.368510][ T5234] ------------[ cut here ]------------ [ 57.368515][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 57.374146][ T5234] Modules linked in: [ 57.374817][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.376567][ T5234] Tainted: [W]=WARN [ 57.377218][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.378949][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.380327][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.381406][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.382534][ T5234] sp : ffff800098ca6fc0 [ 57.383236][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2a72e8 [ 57.384602][ T5234] x26: 0000000000000001 x25: ffff0000d1e90000 x24: 0000000000000001 [ 57.385952][ T5234] x23: ffff0000d55e2000 x22: 000000000000feeb x21: ffff0000db2a72c0 [ 57.387279][ T5234] x20: ffff700013194e08 x19: ffff0000d55e2068 x18: 0000000000000000 [ 57.388641][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.390043][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.391429][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.393077][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 57.394619][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 57.396190][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.397795][ T5234] Call trace: [ 57.398363][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.399473][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.400367][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.401410][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.402419][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.403314][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.404107][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.404973][ T5234] sync_lazytime+0x1a8/0x694 1970/01/01 00:00:57 executed programs: 66 [ 57.405748][ T5234] iput+0x1f0/0xc2c [ 57.406401][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.407264][ T5234] dentry_kill+0x1dc/0x840 [ 57.407971][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.408905][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.409740][ T5234] do_one_tree+0x24/0x58 [ 57.410457][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.411380][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.412272][ T5234] kill_block_super+0x48/0x94 [ 57.413054][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.413808][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.414723][ T5234] deactivate_super+0xd8/0xf8 [ 57.415531][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.416281][ T5234] __cleanup_mnt+0x20/0x30 [ 57.417030][ T5234] task_work_run+0x1cc/0x25c [ 57.417768][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.418681][ T5234] el0_svc+0x18c/0x260 [ 57.419345][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.420191][ T5234] el0t_64_sync+0x198/0x19c [ 57.420948][ T5234] irq event stamp: 501916 [ 57.421699][ T5234] hardirqs last enabled at (501915): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 57.423638][ T5234] hardirqs last disabled at (501916): [] el1_brk64+0x20/0x54 [ 57.425188][ T5234] softirqs last enabled at (501908): [] kernel_neon_begin+0x294/0x400 [ 57.426883][ T5234] softirqs last disabled at (501906): [] kernel_neon_begin+0x11c/0x400 [ 57.428539][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.461160][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.461282][ T5234] ------------[ cut here ]------------ [ 57.461286][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 57.467116][ T5234] Modules linked in: [ 57.467773][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.469512][ T5234] Tainted: [W]=WARN [ 57.470145][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.471853][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.473207][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.474378][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.475539][ T5234] sp : ffff800098ca6fc0 [ 57.476222][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2772e8 [ 57.477597][ T5234] x26: 0000000000000001 x25: ffff0000db920000 x24: 0000000000000001 [ 57.479189][ T5234] x23: ffff0000d5942000 x22: 000000000000feeb x21: ffff0000db2772c0 [ 57.480851][ T5234] x20: ffff700013194e08 x19: ffff0000d5942068 x18: 1fffe00034bbbe28 [ 57.482507][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.484163][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.485691][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.487335][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 57.488841][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 57.490349][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.491840][ T5234] Call trace: [ 57.492441][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.493596][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.494526][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.495586][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.496620][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.497597][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.498422][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.499297][ T5234] sync_lazytime+0x1a8/0x694 [ 57.500086][ T5234] iput+0x1f0/0xc2c [ 57.500727][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.501593][ T5234] dentry_kill+0x1dc/0x840 [ 57.502376][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.503271][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.504138][ T5234] do_one_tree+0x24/0x58 [ 57.504837][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.505801][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.506722][ T5234] kill_block_super+0x48/0x94 [ 57.507565][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.508310][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.509265][ T5234] deactivate_super+0xd8/0xf8 [ 57.510049][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.510833][ T5234] __cleanup_mnt+0x20/0x30 [ 57.511580][ T5234] task_work_run+0x1cc/0x25c [ 57.512418][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.513345][ T5234] el0_svc+0x18c/0x260 [ 57.514070][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.514958][ T5234] el0t_64_sync+0x198/0x19c [ 57.515752][ T5234] irq event stamp: 507862 [ 57.516502][ T5234] hardirqs last enabled at (507861): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 57.518331][ T5234] hardirqs last disabled at (507862): [] el1_brk64+0x20/0x54 [ 57.519889][ T5234] softirqs last enabled at (507854): [] kernel_neon_begin+0x294/0x400 [ 57.521566][ T5234] softirqs last disabled at (507852): [] kernel_neon_begin+0x11c/0x400 [ 57.523277][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.565967][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.566083][ T5234] ------------[ cut here ]------------ [ 57.566089][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 57.571774][ T5234] Modules linked in: [ 57.572534][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.574372][ T5234] Tainted: [W]=WARN [ 57.575047][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.576827][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.578198][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.579371][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.580535][ T5234] sp : ffff800098ca6fc0 [ 57.581273][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2b4408 [ 57.582717][ T5234] x26: 0000000000000001 x25: ffff0000db920000 x24: 0000000000000001 [ 57.584158][ T5234] x23: ffff0000ca2e8000 x22: 000000000000feeb x21: ffff0000db2b43e0 [ 57.585908][ T5234] x20: ffff700013194e08 x19: ffff0000ca2e8068 x18: 1fffe00034bbbe28 [ 57.587368][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.588843][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.590232][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.591550][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 57.592921][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 57.594308][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.595708][ T5234] Call trace: [ 57.596289][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.597442][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.598373][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.599413][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.600426][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.601361][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.602239][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.603115][ T5234] sync_lazytime+0x1a8/0x694 [ 57.603917][ T5234] iput+0x1f0/0xc2c [ 57.604585][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.605485][ T5234] dentry_kill+0x1dc/0x840 [ 57.606255][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.607157][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.608060][ T5234] do_one_tree+0x24/0x58 [ 57.608816][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.609805][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.610722][ T5234] kill_block_super+0x48/0x94 [ 57.611524][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.612287][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.613217][ T5234] deactivate_super+0xd8/0xf8 [ 57.614056][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.614861][ T5234] __cleanup_mnt+0x20/0x30 [ 57.615643][ T5234] task_work_run+0x1cc/0x25c [ 57.616455][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.617378][ T5234] el0_svc+0x18c/0x260 [ 57.618092][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.618970][ T5234] el0t_64_sync+0x198/0x19c [ 57.619753][ T5234] irq event stamp: 513004 [ 57.620499][ T5234] hardirqs last enabled at (513003): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 57.622311][ T5234] hardirqs last disabled at (513004): [] el1_brk64+0x20/0x54 [ 57.623831][ T5234] softirqs last enabled at (512996): [] kernel_neon_begin+0x294/0x400 [ 57.625472][ T5234] softirqs last disabled at (512994): [] kernel_neon_begin+0x11c/0x400 [ 57.627226][ T5234] ---[ end trace 0000000000000000 ]--- [ 57.659279][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.661655][ T5234] ------------[ cut here ]------------ [ 57.661666][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 57.664656][ T5234] Modules linked in: [ 57.665353][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.667219][ T5234] Tainted: [W]=WARN [ 57.667863][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.669555][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.670930][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.672070][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.673187][ T5234] sp : ffff800098ca6fc0 [ 57.673898][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2727e8 [ 57.675340][ T5234] x26: 0000000000000001 x25: ffff0000db920000 x24: 0000000000000001 [ 57.676804][ T5234] x23: ffff0000cac74000 x22: 000000000000feeb x21: ffff0000db2727c0 [ 57.678233][ T5234] x20: ffff700013194e08 x19: ffff0000cac74068 x18: 1fffe00034bb7428 [ 57.679658][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 57.681064][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 57.682430][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.683853][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.685310][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 57.686744][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.688153][ T5234] Call trace: [ 57.688719][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.689894][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.690781][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.691774][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.692724][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.693667][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.694508][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.695340][ T5234] sync_lazytime+0x1a8/0x694 [ 57.696129][ T5234] iput+0x1f0/0xc2c [ 57.696837][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.697706][ T5234] dentry_kill+0x1dc/0x840 [ 57.698459][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.699364][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.700239][ T5234] do_one_tree+0x24/0x58 [ 57.700949][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.701907][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.702827][ T5234] kill_block_super+0x48/0x94 [ 57.703629][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.704342][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.705218][ T5234] deactivate_super+0xd8/0xf8 [ 57.705998][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.706768][ T5234] __cleanup_mnt+0x20/0x30 [ 57.707563][ T5234] task_work_run+0x1cc/0x25c [ 57.708384][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.709338][ T5234] el0_svc+0x18c/0x260 [ 57.710022][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.710909][ T5234] el0t_64_sync+0x198/0x19c [ 57.711696][ T5234] irq event stamp: 519130 [ 57.712453][ T5234] hardirqs last enabled at (519129): [] finish_task_switch+0x234/0x858 [ 57.714162][ T5234] hardirqs last disabled at (519130): [] el1_brk64+0x20/0x54 [ 57.715719][ T5234] softirqs last enabled at (519120): [] kernel_neon_begin+0x294/0x400 [ 57.717478][ T5234] softirqs last disabled at (519118): [] kernel_neon_begin+0x11c/0x400 [ 57.719185][ T5234] ---[ end trace 0000000000000000 ]--- [ 57.752454][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.759534][ T5234] ------------[ cut here ]------------ [ 57.759547][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 57.762331][ T5234] Modules linked in: [ 57.763125][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.764991][ T5234] Tainted: [W]=WARN [ 57.765679][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.767456][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.768758][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.769872][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.771012][ T5234] sp : ffff800098ca6fc0 [ 57.771752][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2b1e88 [ 57.773206][ T5234] x26: 0000000000000001 x25: ffff0000db920000 x24: 0000000000000001 [ 57.774652][ T5234] x23: ffff0000dbda6000 x22: 000000000000feeb x21: ffff0000db2b1e60 [ 57.776087][ T5234] x20: ffff700013194e08 x19: ffff0000dbda6068 x18: 1fffe00034bb7428 [ 57.777519][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 57.779030][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 57.780554][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.782028][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.783456][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 57.784840][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.786276][ T5234] Call trace: [ 57.786847][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.788182][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.789287][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.790373][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.791511][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.792644][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.793595][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.794609][ T5234] sync_lazytime+0x1a8/0x694 [ 57.795526][ T5234] iput+0x1f0/0xc2c [ 57.796301][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.797263][ T5234] dentry_kill+0x1dc/0x840 [ 57.798100][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.799006][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.799899][ T5234] do_one_tree+0x24/0x58 [ 57.800623][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.801559][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.802438][ T5234] kill_block_super+0x48/0x94 [ 57.803241][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.803980][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.804915][ T5234] deactivate_super+0xd8/0xf8 [ 57.805707][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.806464][ T5234] __cleanup_mnt+0x20/0x30 [ 57.807223][ T5234] task_work_run+0x1cc/0x25c [ 57.808026][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.808981][ T5234] el0_svc+0x18c/0x260 [ 57.809732][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.810654][ T5234] el0t_64_sync+0x198/0x19c [ 57.811454][ T5234] irq event stamp: 524012 [ 57.812220][ T5234] hardirqs last enabled at (524011): [] finish_task_switch+0x234/0x858 [ 57.814004][ T5234] hardirqs last disabled at (524012): [] el1_brk64+0x20/0x54 [ 57.815523][ T5234] softirqs last enabled at (524002): [] kernel_neon_begin+0x294/0x400 [ 57.817264][ T5234] softirqs last disabled at (524000): [] kernel_neon_begin+0x11c/0x400 [ 57.818989][ T5234] ---[ end trace 0000000000000000 ]--- [ 57.854157][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.856317][ T5234] ------------[ cut here ]------------ [ 57.856325][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 57.859020][ T5234] Modules linked in: [ 57.859781][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.861662][ T5234] Tainted: [W]=WARN [ 57.862362][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.864131][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.865542][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.866718][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.867862][ T5234] sp : ffff800098ca6fc0 [ 57.868548][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0338bc8 [ 57.869994][ T5234] x26: 0000000000000001 x25: ffff0000db920000 x24: 0000000000000001 [ 57.871366][ T5234] x23: ffff0000d61a8000 x22: 000000000000feeb x21: ffff0000e0338ba0 [ 57.872773][ T5234] x20: ffff700013194e08 x19: ffff0000d61a8068 x18: 1fffe00034bb7428 [ 57.874123][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 57.875488][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 57.876831][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.878149][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.879553][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 57.880873][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.882232][ T5234] Call trace: [ 57.882747][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.883835][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.884775][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.885770][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.886773][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.887745][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.888560][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.889452][ T5234] sync_lazytime+0x1a8/0x694 [ 57.890237][ T5234] iput+0x1f0/0xc2c [ 57.890921][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.891727][ T5234] dentry_kill+0x1dc/0x840 [ 57.892470][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.893362][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.894232][ T5234] do_one_tree+0x24/0x58 [ 57.895000][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.895940][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.896826][ T5234] kill_block_super+0x48/0x94 [ 57.897623][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.898462][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.899420][ T5234] deactivate_super+0xd8/0xf8 [ 57.900224][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.901034][ T5234] __cleanup_mnt+0x20/0x30 [ 57.901796][ T5234] task_work_run+0x1cc/0x25c [ 57.902578][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.903501][ T5234] el0_svc+0x18c/0x260 [ 57.904191][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.905053][ T5234] el0t_64_sync+0x198/0x19c [ 57.905811][ T5234] irq event stamp: 528800 [ 57.906591][ T5234] hardirqs last enabled at (528799): [] finish_task_switch+0x234/0x858 [ 57.908194][ T5234] hardirqs last disabled at (528800): [] el1_brk64+0x20/0x54 [ 57.909691][ T5234] softirqs last enabled at (528790): [] kernel_neon_begin+0x294/0x400 [ 57.911320][ T5234] softirqs last disabled at (528788): [] kernel_neon_begin+0x11c/0x400 [ 57.913064][ T5234] ---[ end trace 0000000000000000 ]--- [ 57.942394][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.944770][ T5234] ------------[ cut here ]------------ [ 57.944778][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 57.947638][ T5234] Modules linked in: [ 57.948316][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.949992][ T5234] Tainted: [W]=WARN [ 57.950598][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.952201][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.953472][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 57.954663][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 57.955775][ T5234] sp : ffff800098ca6fc0 [ 57.956447][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3c1e88 [ 57.957817][ T5234] x26: 0000000000000001 x25: ffff0000db920000 x24: 0000000000000001 [ 57.959174][ T5234] x23: ffff0000d7066000 x22: 000000000000feeb x21: ffff0000ef3c1e60 [ 57.960600][ T5234] x20: ffff700013194e08 x19: ffff0000d7066068 x18: 1fffe00034bb7428 [ 57.962032][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 57.963460][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 57.964865][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 57.966179][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.967523][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 57.968930][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 57.970314][ T5234] Call trace: [ 57.970850][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 57.971960][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 57.972909][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 57.973991][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 57.975089][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 57.976081][ T5234] ext4_dirty_inode+0xd8/0x114 [ 57.976957][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 57.977852][ T5234] sync_lazytime+0x1a8/0x694 [ 57.978604][ T5234] iput+0x1f0/0xc2c [ 57.979292][ T5234] dentry_unlink_inode+0x380/0x45c [ 57.980166][ T5234] dentry_kill+0x1dc/0x840 [ 57.980903][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 57.981724][ T5234] shrink_dcache_tree+0x13c/0x35c [ 57.982633][ T5234] do_one_tree+0x24/0x58 [ 57.983365][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 57.984311][ T5234] generic_shutdown_super+0x74/0x2c0 [ 57.985226][ T5234] kill_block_super+0x48/0x94 [ 57.986048][ T5234] ext4_kill_sb+0x68/0xa4 [ 57.986822][ T5234] deactivate_locked_super+0xcc/0x148 [ 57.987798][ T5234] deactivate_super+0xd8/0xf8 [ 57.988655][ T5234] cleanup_mnt+0x318/0x3a8 [ 57.989450][ T5234] __cleanup_mnt+0x20/0x30 [ 57.990244][ T5234] task_work_run+0x1cc/0x25c [ 57.991082][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 57.992063][ T5234] el0_svc+0x18c/0x260 [ 57.992855][ T5234] el0t_64_sync_handler+0x44/0x104 [ 57.993799][ T5234] el0t_64_sync+0x198/0x19c [ 57.994598][ T5234] irq event stamp: 533894 [ 57.995325][ T5234] hardirqs last enabled at (533893): [] finish_task_switch+0x234/0x858 [ 57.997034][ T5234] hardirqs last disabled at (533894): [] el1_brk64+0x20/0x54 [ 57.998605][ T5234] softirqs last enabled at (533884): [] kernel_neon_begin+0x294/0x400 [ 58.000234][ T5234] softirqs last disabled at (533882): [] kernel_neon_begin+0x11c/0x400 [ 58.001957][ T5234] ---[ end trace 0000000000000000 ]--- [ 58.058770][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.058883][ T5234] ------------[ cut here ]------------ [ 58.058890][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 58.063490][ T5234] Modules linked in: [ 58.064168][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.066011][ T5234] Tainted: [W]=WARN [ 58.066664][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.068384][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.069722][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.070813][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.071894][ T5234] sp : ffff800098ca6fc0 [ 58.072628][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef16b148 [ 58.074033][ T5234] x26: 0000000000000001 x25: ffff0000ed3c0000 x24: 0000000000000001 [ 58.075414][ T5234] x23: ffff0000d7896000 x22: 000000000000feeb x21: ffff0000ef16b120 [ 58.076843][ T5234] x20: ffff700013194e08 x19: ffff0000d7896068 x18: 1fffe00034bb7428 [ 58.078181][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.079570][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.080938][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.082340][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 58.083697][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 58.085120][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.086610][ T5234] Call trace: [ 58.087211][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.088400][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.089370][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.090393][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.091398][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.092360][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.093236][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.094152][ T5234] sync_lazytime+0x1a8/0x694 [ 58.094984][ T5234] iput+0x1f0/0xc2c [ 58.095662][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.096557][ T5234] dentry_kill+0x1dc/0x840 [ 58.097319][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.098199][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.099060][ T5234] do_one_tree+0x24/0x58 [ 58.099771][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.100684][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.101594][ T5234] kill_block_super+0x48/0x94 [ 58.102408][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.103087][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.104004][ T5234] deactivate_super+0xd8/0xf8 [ 58.104851][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.105622][ T5234] __cleanup_mnt+0x20/0x30 [ 58.106408][ T5234] task_work_run+0x1cc/0x25c [ 58.107256][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.108254][ T5234] el0_svc+0x18c/0x260 [ 58.108983][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.109940][ T5234] el0t_64_sync+0x198/0x19c [ 58.110677][ T5234] irq event stamp: 538976 [ 58.111451][ T5234] hardirqs last enabled at (538975): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 58.113324][ T5234] hardirqs last disabled at (538976): [] el1_brk64+0x20/0x54 [ 58.114808][ T5234] softirqs last enabled at (538968): [] kernel_neon_begin+0x294/0x400 [ 58.116447][ T5234] softirqs last disabled at (538966): [] kernel_neon_begin+0x11c/0x400 [ 58.118107][ T5234] ---[ end trace 0000000000000000 ]--- [ 58.158176][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.160522][ T5234] ------------[ cut here ]------------ [ 58.160529][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 58.163159][ T5234] Modules linked in: [ 58.163836][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.165680][ T5234] Tainted: [W]=WARN [ 58.166374][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.168104][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.169498][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.170703][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.171944][ T5234] sp : ffff800098ca6fc0 [ 58.172666][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db274d68 [ 58.174071][ T5234] x26: 0000000000000001 x25: ffff0000d37b0000 x24: 0000000000000001 [ 58.175430][ T5234] x23: ffff0000d7a44000 x22: 000000000000feeb x21: ffff0000db274d40 [ 58.176776][ T5234] x20: ffff700013194e08 x19: ffff0000d7a44068 x18: 1fffe00034bbbe28 [ 58.178188][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 58.179683][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 58.181173][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.182655][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.184139][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 58.185604][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.187055][ T5234] Call trace: [ 58.187665][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.188858][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.189828][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.190820][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.191832][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.192829][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.193687][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.194619][ T5234] sync_lazytime+0x1a8/0x694 [ 58.195425][ T5234] iput+0x1f0/0xc2c [ 58.196080][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.196961][ T5234] dentry_kill+0x1dc/0x840 [ 58.197704][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.198613][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.199521][ T5234] do_one_tree+0x24/0x58 [ 58.200323][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.201315][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.202260][ T5234] kill_block_super+0x48/0x94 [ 58.203072][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.203816][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.204740][ T5234] deactivate_super+0xd8/0xf8 [ 58.205570][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.206363][ T5234] __cleanup_mnt+0x20/0x30 [ 58.207140][ T5234] task_work_run+0x1cc/0x25c [ 58.207925][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.208866][ T5234] el0_svc+0x18c/0x260 [ 58.209614][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.210555][ T5234] el0t_64_sync+0x198/0x19c [ 58.211382][ T5234] irq event stamp: 544582 [ 58.212135][ T5234] hardirqs last enabled at (544581): [] finish_task_switch+0x234/0x858 [ 58.213815][ T5234] hardirqs last disabled at (544582): [] el1_brk64+0x20/0x54 [ 58.215367][ T5234] softirqs last enabled at (544572): [] kernel_neon_begin+0x294/0x400 [ 58.217011][ T5234] softirqs last disabled at (544570): [] kernel_neon_begin+0x11c/0x400 [ 58.218629][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 58.263958][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.264083][ T5234] ------------[ cut here ]------------ [ 58.264088][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 58.269435][ T5234] Modules linked in: [ 58.270178][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.271957][ T5234] Tainted: [W]=WARN [ 58.272601][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.274271][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.275573][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.276650][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.277768][ T5234] sp : ffff800098ca6fc0 [ 58.278493][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3c4d68 [ 58.279838][ T5234] x26: 0000000000000001 x25: ffff0000d37b0000 x24: 0000000000000001 [ 58.281280][ T5234] x23: ffff0000d78a0000 x22: 000000000000feeb x21: ffff0000ef3c4d40 [ 58.282675][ T5234] x20: ffff700013194e08 x19: ffff0000d78a0068 x18: 1fffe00034bb7428 [ 58.284088][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.285421][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.286728][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.288087][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 58.289436][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 58.290791][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.292173][ T5234] Call trace: [ 58.292777][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.293987][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.294918][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.295948][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.296960][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.297952][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.298824][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.299770][ T5234] sync_lazytime+0x1a8/0x694 [ 58.300617][ T5234] iput+0x1f0/0xc2c [ 58.301303][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.302167][ T5234] dentry_kill+0x1dc/0x840 [ 58.302950][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.303790][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.304628][ T5234] do_one_tree+0x24/0x58 [ 58.305353][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.306337][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.307301][ T5234] kill_block_super+0x48/0x94 [ 58.308146][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.308889][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.309823][ T5234] deactivate_super+0xd8/0xf8 [ 58.310591][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.311337][ T5234] __cleanup_mnt+0x20/0x30 [ 58.312055][ T5234] task_work_run+0x1cc/0x25c [ 58.312825][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.313791][ T5234] el0_svc+0x18c/0x260 [ 58.314511][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.315382][ T5234] el0t_64_sync+0x198/0x19c [ 58.316162][ T5234] irq event stamp: 551714 [ 58.316902][ T5234] hardirqs last enabled at (551713): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 58.318668][ T5234] hardirqs last disabled at (551714): [] el1_brk64+0x20/0x54 [ 58.320248][ T5234] softirqs last enabled at (551706): [] kernel_neon_begin+0x294/0x400 [ 58.321854][ T5234] softirqs last disabled at (551704): [] kernel_neon_begin+0x11c/0x400 [ 58.323461][ T5234] ---[ end trace 0000000000000000 ]--- [ 58.357643][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.359895][ T5234] ------------[ cut here ]------------ [ 58.359902][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 58.362664][ T5234] Modules linked in: [ 58.363412][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.365265][ T5234] Tainted: [W]=WARN [ 58.365937][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.367752][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.369140][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.370283][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.371424][ T5234] sp : ffff800098ca6fc0 [ 58.372172][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e033e988 [ 58.373628][ T5234] x26: 0000000000000001 x25: ffff0000d60d0000 x24: 0000000000000001 [ 58.374956][ T5234] x23: ffff0000d8658000 x22: 000000000000feeb x21: ffff0000e033e960 [ 58.376349][ T5234] x20: ffff700013194e08 x19: ffff0000d8658068 x18: 1fffe00034bbbe28 [ 58.377678][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 58.379013][ T5234] x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 [ 58.380370][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.381730][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.383117][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 58.384443][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.385781][ T5234] Call trace: [ 58.386320][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.387456][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.388330][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.389316][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.390250][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.391133][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.391958][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.392879][ T5234] sync_lazytime+0x1a8/0x694 [ 58.393661][ T5234] iput+0x1f0/0xc2c [ 58.394280][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.395118][ T5234] dentry_kill+0x1dc/0x840 [ 58.395857][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.396708][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.397547][ T5234] do_one_tree+0x24/0x58 [ 58.398285][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.399208][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.400208][ T5234] kill_block_super+0x48/0x94 [ 58.401043][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.401827][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.402805][ T5234] deactivate_super+0xd8/0xf8 [ 58.403646][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.404437][ T5234] __cleanup_mnt+0x20/0x30 [ 58.405251][ T5234] task_work_run+0x1cc/0x25c [ 58.406077][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.406993][ T5234] el0_svc+0x18c/0x260 [ 58.407739][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.408618][ T5234] el0t_64_sync+0x198/0x19c [ 58.409408][ T5234] irq event stamp: 556698 [ 58.410170][ T5234] hardirqs last enabled at (556697): [] finish_task_switch+0x234/0x858 [ 58.411822][ T5234] hardirqs last disabled at (556698): [] el1_brk64+0x20/0x54 [ 58.413374][ T5234] softirqs last enabled at (556688): [] kernel_neon_begin+0x294/0x400 [ 58.415144][ T5234] softirqs last disabled at (556686): [] kernel_neon_begin+0x11c/0x400 [ 58.416921][ T5234] ---[ end trace 0000000000000000 ]--- [ 58.457567][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.457685][ T5234] ------------[ cut here ]------------ [ 58.457692][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 58.462176][ T5234] Modules linked in: [ 58.462835][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.464675][ T5234] Tainted: [W]=WARN [ 58.465323][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.467100][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.468528][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.469694][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.470899][ T5234] sp : ffff800098ca6fc0 [ 58.471599][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e033c408 [ 58.473034][ T5234] x26: 0000000000000001 x25: ffff0000d60d0000 x24: 0000000000000001 [ 58.474427][ T5234] x23: ffff0000d7cbe000 x22: 000000000000feeb x21: ffff0000e033c3e0 [ 58.475824][ T5234] x20: ffff700013194e08 x19: ffff0000d7cbe068 x18: 1fffe00034bbbe28 [ 58.477280][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.478732][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.480097][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.481495][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 58.482841][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 58.484217][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.485653][ T5234] Call trace: [ 58.486212][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.487315][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.488297][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.489311][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.490264][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.491157][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.491993][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.492936][ T5234] sync_lazytime+0x1a8/0x694 [ 58.493697][ T5234] iput+0x1f0/0xc2c [ 58.494331][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.495147][ T5234] dentry_kill+0x1dc/0x840 [ 58.495878][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.496778][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.497678][ T5234] do_one_tree+0x24/0x58 [ 58.498460][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.499362][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.500299][ T5234] kill_block_super+0x48/0x94 [ 58.501141][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.501924][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.502850][ T5234] deactivate_super+0xd8/0xf8 [ 58.503686][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.504482][ T5234] __cleanup_mnt+0x20/0x30 [ 58.505284][ T5234] task_work_run+0x1cc/0x25c [ 58.506108][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.507116][ T5234] el0_svc+0x18c/0x260 [ 58.507873][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.508823][ T5234] el0t_64_sync+0x198/0x19c [ 58.509688][ T5234] irq event stamp: 562410 [ 58.510510][ T5234] hardirqs last enabled at (562409): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 58.512464][ T5234] hardirqs last disabled at (562410): [] el1_brk64+0x20/0x54 [ 58.514149][ T5234] softirqs last enabled at (562402): [] kernel_neon_begin+0x294/0x400 [ 58.515871][ T5234] softirqs last disabled at (562400): [] kernel_neon_begin+0x11c/0x400 [ 58.517628][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 58.559876][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.559993][ T5234] ------------[ cut here ]------------ [ 58.559998][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 58.565344][ T5234] Modules linked in: [ 58.566067][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.567929][ T5234] Tainted: [W]=WARN [ 58.568582][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.570324][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.571715][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.572893][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.573966][ T5234] sp : ffff800098ca6fc0 [ 58.574675][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db27d6c8 [ 58.575991][ T5234] x26: 0000000000000001 x25: ffff0000d60d0000 x24: 0000000000000001 [ 58.577386][ T5234] x23: ffff0000d7418000 x22: 000000000000feeb x21: ffff0000db27d6a0 [ 58.578848][ T5234] x20: ffff700013194e08 x19: ffff0000d7418068 x18: 1fffe00034bbbe28 [ 58.580314][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.581734][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.583145][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.584537][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 58.585860][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 58.587212][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.588617][ T5234] Call trace: [ 58.589155][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.590279][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.591215][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.592196][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.593152][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.594073][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.594893][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.595753][ T5234] sync_lazytime+0x1a8/0x694 [ 58.596551][ T5234] iput+0x1f0/0xc2c [ 58.597184][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.598042][ T5234] dentry_kill+0x1dc/0x840 [ 58.598764][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.599637][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.600512][ T5234] do_one_tree+0x24/0x58 [ 58.601219][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.602156][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.603053][ T5234] kill_block_super+0x48/0x94 [ 58.603825][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.604553][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.605492][ T5234] deactivate_super+0xd8/0xf8 [ 58.606340][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.607091][ T5234] __cleanup_mnt+0x20/0x30 [ 58.607836][ T5234] task_work_run+0x1cc/0x25c [ 58.608612][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.609523][ T5234] el0_svc+0x18c/0x260 [ 58.610213][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.611131][ T5234] el0t_64_sync+0x198/0x19c [ 58.611925][ T5234] irq event stamp: 567754 [ 58.612669][ T5234] hardirqs last enabled at (567753): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 58.614444][ T5234] hardirqs last disabled at (567754): [] el1_brk64+0x20/0x54 [ 58.615984][ T5234] softirqs last enabled at (567746): [] kernel_neon_begin+0x294/0x400 [ 58.617788][ T5234] softirqs last disabled at (567744): [] kernel_neon_begin+0x11c/0x400 [ 58.619820][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 58.656932][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.657048][ T5234] ------------[ cut here ]------------ [ 58.657053][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 58.662416][ T5234] Modules linked in: [ 58.663126][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.665122][ T5234] Tainted: [W]=WARN [ 58.665808][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.667683][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.669056][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.670250][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.671438][ T5234] sp : ffff800098ca6fc0 [ 58.672227][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ce17d6c8 [ 58.673680][ T5234] x26: 0000000000000001 x25: ffff0000d60d0000 x24: 0000000000000001 [ 58.675115][ T5234] x23: ffff0000d8ec6000 x22: 000000000000feeb x21: ffff0000ce17d6a0 [ 58.676528][ T5234] x20: ffff700013194e08 x19: ffff0000d8ec6068 x18: 1fffe00034bbbe28 [ 58.677998][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.679444][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.680888][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.682353][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 58.683732][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 58.685135][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.686441][ T5234] Call trace: [ 58.686979][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.688107][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.688995][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.689992][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.690972][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.691920][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.692702][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.693579][ T5234] sync_lazytime+0x1a8/0x694 [ 58.694389][ T5234] iput+0x1f0/0xc2c [ 58.695042][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.695889][ T5234] dentry_kill+0x1dc/0x840 [ 58.696667][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.697548][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.698400][ T5234] do_one_tree+0x24/0x58 [ 58.699115][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.700037][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.700981][ T5234] kill_block_super+0x48/0x94 [ 58.701739][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.702475][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.703395][ T5234] deactivate_super+0xd8/0xf8 [ 58.704237][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.705017][ T5234] __cleanup_mnt+0x20/0x30 [ 58.705780][ T5234] task_work_run+0x1cc/0x25c [ 58.706569][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.707535][ T5234] el0_svc+0x18c/0x260 [ 58.708257][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.709196][ T5234] el0t_64_sync+0x198/0x19c [ 58.710004][ T5234] irq event stamp: 573070 [ 58.710713][ T5234] hardirqs last enabled at (573069): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 58.712437][ T5234] hardirqs last disabled at (573070): [] el1_brk64+0x20/0x54 [ 58.714047][ T5234] softirqs last enabled at (573062): [] kernel_neon_begin+0x294/0x400 [ 58.715755][ T5234] softirqs last disabled at (573060): [] kernel_neon_begin+0x11c/0x400 [ 58.717426][ T5234] ---[ end trace 0000000000000000 ]--- [ 58.758548][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.760928][ T5234] ------------[ cut here ]------------ [ 58.760936][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 58.763720][ T5234] Modules linked in: [ 58.764438][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.766223][ T5234] Tainted: [W]=WARN [ 58.766887][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.768842][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.770360][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.771657][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.772953][ T5234] sp : ffff800098ca6fc0 [ 58.773679][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef16cd68 [ 58.775026][ T5234] x26: 0000000000000001 x25: ffff0000dc0a0000 x24: 0000000000000001 [ 58.776382][ T5234] x23: ffff0000cfce6000 x22: 000000000000feeb x21: ffff0000ef16cd40 [ 58.777784][ T5234] x20: ffff700013194e08 x19: ffff0000cfce6068 x18: 1fffe00034bb7428 [ 58.779219][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 58.780688][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 58.782143][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.783615][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.785023][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 58.786333][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.787714][ T5234] Call trace: [ 58.788290][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.789408][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.790329][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.791363][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.792355][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.793308][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.794118][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.795038][ T5234] sync_lazytime+0x1a8/0x694 [ 58.795882][ T5234] iput+0x1f0/0xc2c [ 58.796586][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.797520][ T5234] dentry_kill+0x1dc/0x840 [ 58.798271][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.799163][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.800001][ T5234] do_one_tree+0x24/0x58 [ 58.800731][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.801693][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.802626][ T5234] kill_block_super+0x48/0x94 [ 58.803472][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.804253][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.805197][ T5234] deactivate_super+0xd8/0xf8 [ 58.806006][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.806760][ T5234] __cleanup_mnt+0x20/0x30 [ 58.807517][ T5234] task_work_run+0x1cc/0x25c [ 58.808320][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.809285][ T5234] el0_svc+0x18c/0x260 [ 58.810037][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.810917][ T5234] el0t_64_sync+0x198/0x19c [ 58.811757][ T5234] irq event stamp: 577880 [ 58.812551][ T5234] hardirqs last enabled at (577879): [] finish_task_switch+0x234/0x858 [ 58.814319][ T5234] hardirqs last disabled at (577880): [] el1_brk64+0x20/0x54 [ 58.815945][ T5234] softirqs last enabled at (577870): [] kernel_neon_begin+0x294/0x400 [ 58.817724][ T5234] softirqs last disabled at (577868): [] kernel_neon_begin+0x11c/0x400 [ 58.819368][ T5234] ---[ end trace 0000000000000000 ]--- [ 58.863382][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.865682][ T5234] ------------[ cut here ]------------ [ 58.865690][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 58.868601][ T5234] Modules linked in: [ 58.869277][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.870975][ T5234] Tainted: [W]=WARN [ 58.871632][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.873355][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.874814][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.876004][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.877203][ T5234] sp : ffff800098ca6fc0 [ 58.877953][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef174408 [ 58.879446][ T5234] x26: 0000000000000001 x25: ffff0000dc0a0000 x24: 0000000000000001 [ 58.880900][ T5234] x23: ffff0000d9126000 x22: 000000000000feeb x21: ffff0000ef1743e0 [ 58.882356][ T5234] x20: ffff700013194e08 x19: ffff0000d9126068 x18: 1fffe00034bb7428 [ 58.883776][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 58.885168][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 58.886574][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.888073][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.889619][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 58.891147][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.892660][ T5234] Call trace: [ 58.893270][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.894551][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.895467][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.896503][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.897536][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.898515][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.899307][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.900153][ T5234] sync_lazytime+0x1a8/0x694 [ 58.900944][ T5234] iput+0x1f0/0xc2c [ 58.901627][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.902552][ T5234] dentry_kill+0x1dc/0x840 [ 58.903316][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.904168][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.905079][ T5234] do_one_tree+0x24/0x58 [ 58.905852][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.906830][ T5234] generic_shutdown_super+0x74/0x2c0 [ 58.907790][ T5234] kill_block_super+0x48/0x94 [ 58.908678][ T5234] ext4_kill_sb+0x68/0xa4 [ 58.909424][ T5234] deactivate_locked_super+0xcc/0x148 [ 58.910342][ T5234] deactivate_super+0xd8/0xf8 [ 58.911146][ T5234] cleanup_mnt+0x318/0x3a8 [ 58.911880][ T5234] __cleanup_mnt+0x20/0x30 [ 58.912663][ T5234] task_work_run+0x1cc/0x25c [ 58.913442][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 58.914392][ T5234] el0_svc+0x18c/0x260 [ 58.915111][ T5234] el0t_64_sync_handler+0x44/0x104 [ 58.916021][ T5234] el0t_64_sync+0x198/0x19c [ 58.916804][ T5234] irq event stamp: 582884 [ 58.917535][ T5234] hardirqs last enabled at (582883): [] finish_task_switch+0x234/0x858 [ 58.919620][ T5234] hardirqs last disabled at (582884): [] el1_brk64+0x20/0x54 [ 58.921332][ T5234] softirqs last enabled at (582874): [] kernel_neon_begin+0x294/0x400 [ 58.923215][ T5234] softirqs last disabled at (582872): [] kernel_neon_begin+0x11c/0x400 [ 58.925051][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 58.958220][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.958338][ T5234] ------------[ cut here ]------------ [ 58.958342][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 58.963626][ T5234] Modules linked in: [ 58.964376][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.966274][ T5234] Tainted: [W]=WARN [ 58.966927][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.968632][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.969974][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 58.971069][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 58.972213][ T5234] sp : ffff800098ca6fc0 [ 58.972928][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db279528 [ 58.974397][ T5234] x26: 0000000000000001 x25: ffff0000dc0a0000 x24: 0000000000000001 [ 58.975795][ T5234] x23: ffff0000c56c6000 x22: 000000000000feeb x21: ffff0000db279500 [ 58.977238][ T5234] x20: ffff700013194e08 x19: ffff0000c56c6068 x18: 1fffe00034bbbe28 [ 58.978580][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.979891][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.981226][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 58.982646][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 58.983941][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 58.985250][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 58.986594][ T5234] Call trace: [ 58.987156][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 58.988238][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 58.989127][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 58.990114][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 58.991086][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 58.991986][ T5234] ext4_dirty_inode+0xd8/0x114 [ 58.992803][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 58.993662][ T5234] sync_lazytime+0x1a8/0x694 [ 58.994417][ T5234] iput+0x1f0/0xc2c [ 58.995065][ T5234] dentry_unlink_inode+0x380/0x45c [ 58.995938][ T5234] dentry_kill+0x1dc/0x840 [ 58.996633][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 58.997398][ T5234] shrink_dcache_tree+0x13c/0x35c [ 58.998278][ T5234] do_one_tree+0x24/0x58 [ 58.999020][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 58.999914][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.000816][ T5234] kill_block_super+0x48/0x94 [ 59.001604][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.002327][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.003246][ T5234] deactivate_super+0xd8/0xf8 [ 59.004052][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.004816][ T5234] __cleanup_mnt+0x20/0x30 [ 59.005585][ T5234] task_work_run+0x1cc/0x25c [ 59.006419][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.007382][ T5234] el0_svc+0x18c/0x260 [ 59.008148][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.009063][ T5234] el0t_64_sync+0x198/0x19c [ 59.009843][ T5234] irq event stamp: 588184 [ 59.010580][ T5234] hardirqs last enabled at (588183): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 59.012312][ T5234] hardirqs last disabled at (588184): [] el1_brk64+0x20/0x54 [ 59.013913][ T5234] softirqs last enabled at (588176): [] kernel_neon_begin+0x294/0x400 [ 59.015551][ T5234] softirqs last disabled at (588174): [] kernel_neon_begin+0x11c/0x400 [ 59.017169][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 59.051027][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.051146][ T5234] ------------[ cut here ]------------ [ 59.051151][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 59.056606][ T5234] Modules linked in: [ 59.057296][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.059160][ T5234] Tainted: [W]=WARN [ 59.059854][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.061590][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.062902][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.064086][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.065240][ T5234] sp : ffff800098ca6fc0 [ 59.065994][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db27e988 [ 59.067453][ T5234] x26: 0000000000000001 x25: ffff0000dc0a0000 x24: 0000000000000001 [ 59.068874][ T5234] x23: ffff0000f0096000 x22: 000000000000feeb x21: ffff0000db27e960 [ 59.070135][ T5234] x20: ffff700013194e08 x19: ffff0000f0096068 x18: 1fffe00034bbbe28 [ 59.071568][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.073000][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.074397][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.075778][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 59.077161][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 59.078521][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.079933][ T5234] Call trace: [ 59.080504][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.081605][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.082488][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.083491][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.084410][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.085353][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.086162][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.086938][ T5234] sync_lazytime+0x1a8/0x694 [ 59.087694][ T5234] iput+0x1f0/0xc2c [ 59.088443][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.089375][ T5234] dentry_kill+0x1dc/0x840 [ 59.090239][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.091183][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.092130][ T5234] do_one_tree+0x24/0x58 [ 59.092927][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.093930][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.094913][ T5234] kill_block_super+0x48/0x94 [ 59.095778][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.096545][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.097474][ T5234] deactivate_super+0xd8/0xf8 [ 59.098309][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.099114][ T5234] __cleanup_mnt+0x20/0x30 [ 59.099927][ T5234] task_work_run+0x1cc/0x25c [ 59.100781][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.101745][ T5234] el0_svc+0x18c/0x260 [ 59.102506][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.103439][ T5234] el0t_64_sync+0x198/0x19c [ 59.104212][ T5234] irq event stamp: 593172 [ 59.104923][ T5234] hardirqs last enabled at (593171): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 59.106699][ T5234] hardirqs last disabled at (593172): [] el1_brk64+0x20/0x54 [ 59.108215][ T5234] softirqs last enabled at (593164): [] kernel_neon_begin+0x294/0x400 [ 59.109942][ T5234] softirqs last disabled at (593162): [] kernel_neon_begin+0x11c/0x400 [ 59.111602][ T5234] ---[ end trace 0000000000000000 ]--- [ 59.167913][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.170203][ T5234] ------------[ cut here ]------------ [ 59.170211][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 59.173030][ T5234] Modules linked in: [ 59.173693][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.175532][ T5234] Tainted: [W]=WARN [ 59.176314][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.178109][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.179539][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.180725][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.181895][ T5234] sp : ffff800098ca6fc0 [ 59.182629][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3cf2e8 [ 59.184035][ T5234] x26: 0000000000000001 x25: ffff0000dc0a0000 x24: 0000000000000001 [ 59.185509][ T5234] x23: ffff0000c5b82000 x22: 000000000000feeb x21: ffff0000ef3cf2c0 [ 59.186954][ T5234] x20: ffff700013194e08 x19: ffff0000c5b82068 x18: 1fffe00034bb7428 [ 59.188366][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 59.189719][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 59.191113][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.192511][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.194154][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 59.195730][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.197347][ T5234] Call trace: [ 59.197958][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.199182][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.200125][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.201183][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.202189][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.203131][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.203937][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.204818][ T5234] sync_lazytime+0x1a8/0x694 [ 59.205579][ T5234] iput+0x1f0/0xc2c [ 59.206217][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.207073][ T5234] dentry_kill+0x1dc/0x840 [ 59.207839][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.208685][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.209542][ T5234] do_one_tree+0x24/0x58 [ 59.210289][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.211294][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.212235][ T5234] kill_block_super+0x48/0x94 [ 59.213075][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.213797][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.214724][ T5234] deactivate_super+0xd8/0xf8 [ 59.215540][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.216302][ T5234] __cleanup_mnt+0x20/0x30 [ 59.217059][ T5234] task_work_run+0x1cc/0x25c [ 59.217877][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.218804][ T5234] el0_svc+0x18c/0x260 [ 59.219527][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.220376][ T5234] el0t_64_sync+0x198/0x19c [ 59.221175][ T5234] irq event stamp: 598388 [ 59.221937][ T5234] hardirqs last enabled at (598387): [] finish_task_switch+0x234/0x858 [ 59.223657][ T5234] hardirqs last disabled at (598388): [] el1_brk64+0x20/0x54 [ 59.225238][ T5234] softirqs last enabled at (598378): [] kernel_neon_begin+0x294/0x400 [ 59.226949][ T5234] softirqs last disabled at (598376): [] kernel_neon_begin+0x11c/0x400 [ 59.228616][ T5234] ---[ end trace 0000000000000000 ]--- [ 59.258586][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.258701][ T5234] ------------[ cut here ]------------ [ 59.258707][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 59.263664][ T5234] Modules linked in: [ 59.264429][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.266387][ T5234] Tainted: [W]=WARN [ 59.267031][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.268773][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.270131][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.271307][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.272459][ T5234] sp : ffff800098ca6fc0 [ 59.273198][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db27cd68 [ 59.274595][ T5234] x26: 0000000000000001 x25: ffff0000dc0a0000 x24: 0000000000000001 [ 59.276069][ T5234] x23: ffff0000c6b9a000 x22: 000000000000feeb x21: ffff0000db27cd40 [ 59.277559][ T5234] x20: ffff700013194e08 x19: ffff0000c6b9a068 x18: 1fffe00034bbbe28 [ 59.278932][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.280381][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.281823][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.283272][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 59.284722][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 59.286197][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.287650][ T5234] Call trace: [ 59.288257][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.289453][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.290412][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.291456][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.292502][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.293477][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.294335][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.295220][ T5234] sync_lazytime+0x1a8/0x694 [ 59.296014][ T5234] iput+0x1f0/0xc2c [ 59.296676][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.297583][ T5234] dentry_kill+0x1dc/0x840 [ 59.298373][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.299249][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.300133][ T5234] do_one_tree+0x24/0x58 [ 59.300895][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.301856][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.302779][ T5234] kill_block_super+0x48/0x94 [ 59.303588][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.304343][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.305287][ T5234] deactivate_super+0xd8/0xf8 [ 59.306054][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.306813][ T5234] __cleanup_mnt+0x20/0x30 [ 59.307588][ T5234] task_work_run+0x1cc/0x25c [ 59.308436][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.309313][ T5234] el0_svc+0x18c/0x260 [ 59.310014][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.310896][ T5234] el0t_64_sync+0x198/0x19c [ 59.311670][ T5234] irq event stamp: 603712 [ 59.312451][ T5234] hardirqs last enabled at (603711): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 59.314285][ T5234] hardirqs last disabled at (603712): [] el1_brk64+0x20/0x54 [ 59.315806][ T5234] softirqs last enabled at (603704): [] kernel_neon_begin+0x294/0x400 [ 59.317468][ T5234] softirqs last disabled at (603702): [] kernel_neon_begin+0x11c/0x400 [ 59.319168][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 59.349756][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.349876][ T5234] ------------[ cut here ]------------ [ 59.349881][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 59.355745][ T5234] Modules linked in: [ 59.356476][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.358375][ T5234] Tainted: [W]=WARN [ 59.359048][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.360881][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.362278][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.363502][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.364655][ T5234] sp : ffff800098ca6fc0 [ 59.365401][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db27a7e8 [ 59.366878][ T5234] x26: 0000000000000001 x25: ffff0000d37b0000 x24: 0000000000000001 [ 59.368305][ T5234] x23: ffff0000c7c76000 x22: 000000000000feeb x21: ffff0000db27a7c0 [ 59.369716][ T5234] x20: ffff700013194e08 x19: ffff0000c7c76068 x18: 1fffe00034bbbe28 [ 59.371144][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.372633][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.374303][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.375800][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 59.377322][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 59.378852][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.380341][ T5234] Call trace: [ 59.380941][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.382140][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.383070][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.384135][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.385150][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.386125][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.386974][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.387881][ T5234] sync_lazytime+0x1a8/0x694 [ 59.388669][ T5234] iput+0x1f0/0xc2c [ 59.389319][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.390117][ T5234] dentry_kill+0x1dc/0x840 [ 59.390871][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.391741][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.392624][ T5234] do_one_tree+0x24/0x58 [ 59.393373][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.394350][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.395269][ T5234] kill_block_super+0x48/0x94 [ 59.396121][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.396894][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.397886][ T5234] deactivate_super+0xd8/0xf8 [ 59.398750][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.399596][ T5234] __cleanup_mnt+0x20/0x30 [ 59.400407][ T5234] task_work_run+0x1cc/0x25c [ 59.401281][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.402214][ T5234] el0_svc+0x18c/0x260 [ 59.402918][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.403794][ T5234] el0t_64_sync+0x198/0x19c [ 59.404597][ T5234] irq event stamp: 608842 [ 59.405336][ T5234] hardirqs last enabled at (608841): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 59.407144][ T5234] hardirqs last disabled at (608842): [] el1_brk64+0x20/0x54 [ 59.408717][ T5234] softirqs last enabled at (608834): [] kernel_neon_begin+0x294/0x400 [ 59.410345][ T5234] softirqs last disabled at (608832): [] kernel_neon_begin+0x11c/0x400 [ 59.412037][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 59.451154][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.451264][ T5234] ------------[ cut here ]------------ [ 59.451269][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 59.457002][ T5234] Modules linked in: [ 59.457705][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.459627][ T5234] Tainted: [W]=WARN [ 59.460251][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.462035][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.463388][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.464467][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.465607][ T5234] sp : ffff800098ca6fc0 [ 59.466338][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3c3aa8 [ 59.467790][ T5234] x26: 0000000000000001 x25: ffff0000d37b0000 x24: 0000000000000001 [ 59.469201][ T5234] x23: ffff0000d9514000 x22: 000000000000feeb x21: ffff0000ef3c3a80 [ 59.470565][ T5234] x20: ffff700013194e08 x19: ffff0000d9514068 x18: 1fffe00034bbbe28 [ 59.471909][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.473214][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.474552][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.475903][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 59.477317][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 59.478723][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.480189][ T5234] Call trace: [ 59.480745][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.481865][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.482782][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.483802][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.484766][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.485693][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.486524][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.487378][ T5234] sync_lazytime+0x1a8/0x694 [ 59.488117][ T5234] iput+0x1f0/0xc2c [ 59.488729][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.489619][ T5234] dentry_kill+0x1dc/0x840 [ 59.490417][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.491281][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.492118][ T5234] do_one_tree+0x24/0x58 [ 59.492873][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.493862][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.494792][ T5234] kill_block_super+0x48/0x94 [ 59.495633][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.496404][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.497363][ T5234] deactivate_super+0xd8/0xf8 [ 59.498148][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.498881][ T5234] __cleanup_mnt+0x20/0x30 [ 59.499661][ T5234] task_work_run+0x1cc/0x25c [ 59.500458][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.501403][ T5234] el0_svc+0x18c/0x260 [ 59.502105][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.502978][ T5234] el0t_64_sync+0x198/0x19c [ 59.503765][ T5234] irq event stamp: 613864 [ 59.504529][ T5234] hardirqs last enabled at (613863): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 59.506303][ T5234] hardirqs last disabled at (613864): [] el1_brk64+0x20/0x54 [ 59.507860][ T5234] softirqs last enabled at (613856): [] kernel_neon_begin+0x294/0x400 [ 59.509538][ T5234] softirqs last disabled at (613854): [] kernel_neon_begin+0x11c/0x400 [ 59.511188][ T5234] ---[ end trace 0000000000000000 ]--- [ 59.553645][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.555964][ T5234] ------------[ cut here ]------------ [ 59.555973][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 59.558763][ T5234] Modules linked in: [ 59.559383][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.561107][ T5234] Tainted: [W]=WARN [ 59.561797][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.563453][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.564803][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.565983][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.567126][ T5234] sp : ffff800098ca6fc0 [ 59.567809][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e025a7e8 [ 59.569235][ T5234] x26: 0000000000000001 x25: ffff0000d37b0000 x24: 0000000000000001 [ 59.570624][ T5234] x23: ffff0000dff04000 x22: 000000000000feeb x21: ffff0000e025a7c0 [ 59.572061][ T5234] x20: ffff700013194e08 x19: ffff0000dff04068 x18: 1fffe00034bb7428 [ 59.573519][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 59.574964][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 59.576344][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.577776][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.579233][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 59.580713][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.582141][ T5234] Call trace: [ 59.582772][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.583886][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.584785][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.585819][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.586816][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.587785][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.588645][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.589551][ T5234] sync_lazytime+0x1a8/0x694 [ 59.590352][ T5234] iput+0x1f0/0xc2c [ 59.591037][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.591938][ T5234] dentry_kill+0x1dc/0x840 [ 59.592694][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.593607][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.594476][ T5234] do_one_tree+0x24/0x58 [ 59.595237][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.596188][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.597104][ T5234] kill_block_super+0x48/0x94 [ 59.597878][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.598612][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.599532][ T5234] deactivate_super+0xd8/0xf8 [ 59.600314][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.601113][ T5234] __cleanup_mnt+0x20/0x30 [ 59.601868][ T5234] task_work_run+0x1cc/0x25c [ 59.602696][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.603631][ T5234] el0_svc+0x18c/0x260 [ 59.604308][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.605195][ T5234] el0t_64_sync+0x198/0x19c [ 59.605993][ T5234] irq event stamp: 619740 [ 59.606748][ T5234] hardirqs last enabled at (619739): [] finish_task_switch+0x234/0x858 [ 59.608500][ T5234] hardirqs last disabled at (619740): [] el1_brk64+0x20/0x54 [ 59.610009][ T5234] softirqs last enabled at (619730): [] kernel_neon_begin+0x294/0x400 [ 59.611607][ T5234] softirqs last disabled at (619728): [] kernel_neon_begin+0x11c/0x400 [ 59.613265][ T5234] ---[ end trace 0000000000000000 ]--- [ 59.656814][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.659059][ T5234] ------------[ cut here ]------------ [ 59.659121][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 59.661794][ T5234] Modules linked in: [ 59.662403][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.664218][ T5234] Tainted: [W]=WARN [ 59.664886][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.666641][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.667995][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.669103][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.670245][ T5234] sp : ffff800098ca6fc0 [ 59.670956][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0258bc8 [ 59.672389][ T5234] x26: 0000000000000001 x25: ffff0000ed3c0000 x24: 0000000000000001 [ 59.673892][ T5234] x23: ffff0000c961c000 x22: 000000000000feeb x21: ffff0000e0258ba0 [ 59.675431][ T5234] x20: ffff700013194e08 x19: ffff0000c961c068 x18: 1fffe00034bb7428 [ 59.676903][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 [ 59.678368][ T5234] x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000 [ 59.679805][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.681263][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.682646][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 59.684031][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.685506][ T5234] Call trace: [ 59.686060][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.687177][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.688136][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.689117][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.690083][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.691052][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.691957][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.692894][ T5234] sync_lazytime+0x1a8/0x694 [ 59.693711][ T5234] iput+0x1f0/0xc2c [ 59.694378][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.695277][ T5234] dentry_kill+0x1dc/0x840 [ 59.696045][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.696917][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.697770][ T5234] do_one_tree+0x24/0x58 [ 59.698526][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.699489][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.700394][ T5234] kill_block_super+0x48/0x94 [ 59.701215][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.701995][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.702949][ T5234] deactivate_super+0xd8/0xf8 [ 59.703824][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.704612][ T5234] __cleanup_mnt+0x20/0x30 [ 59.705404][ T5234] task_work_run+0x1cc/0x25c [ 59.706230][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.707164][ T5234] el0_svc+0x18c/0x260 [ 59.707859][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.708773][ T5234] el0t_64_sync+0x198/0x19c [ 59.709557][ T5234] irq event stamp: 625036 [ 59.710295][ T5234] hardirqs last enabled at (625035): [] finish_task_switch+0x234/0x858 [ 59.712038][ T5234] hardirqs last disabled at (625036): [] el1_brk64+0x20/0x54 [ 59.713663][ T5234] softirqs last enabled at (625026): [] kernel_neon_begin+0x294/0x400 [ 59.715384][ T5234] softirqs last disabled at (625024): [] kernel_neon_begin+0x11c/0x400 [ 59.717188][ T5234] ---[ end trace 0000000000000000 ]--- [ 59.773014][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.773136][ T5234] ------------[ cut here ]------------ [ 59.773143][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 59.777826][ T5234] Modules linked in: [ 59.778479][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.780248][ T5234] Tainted: [W]=WARN [ 59.780849][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.782454][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.783837][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.785026][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.786187][ T5234] sp : ffff800098ca6fc0 [ 59.786935][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef174d68 [ 59.788383][ T5234] x26: 0000000000000001 x25: ffff0000ed3c0000 x24: 0000000000000001 [ 59.789797][ T5234] x23: ffff0000c9fb0000 x22: 000000000000feeb x21: ffff0000ef174d40 [ 59.791192][ T5234] x20: ffff700013194e08 x19: ffff0000c9fb0068 x18: 1fffe00034bb7428 [ 59.792570][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.794055][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.795480][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.796880][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 59.798299][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 59.799685][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.801097][ T5234] Call trace: [ 59.801661][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.802773][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.803687][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.804722][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.805688][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.806631][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.807447][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.808324][ T5234] sync_lazytime+0x1a8/0x694 [ 59.809142][ T5234] iput+0x1f0/0xc2c [ 59.809818][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.810695][ T5234] dentry_kill+0x1dc/0x840 [ 59.811447][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.812312][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.813158][ T5234] do_one_tree+0x24/0x58 [ 59.813843][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.814776][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.815715][ T5234] kill_block_super+0x48/0x94 [ 59.816499][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.817268][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.818230][ T5234] deactivate_super+0xd8/0xf8 [ 59.819047][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.819818][ T5234] __cleanup_mnt+0x20/0x30 [ 59.820587][ T5234] task_work_run+0x1cc/0x25c [ 59.821414][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.822367][ T5234] el0_svc+0x18c/0x260 [ 59.823088][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.824032][ T5234] el0t_64_sync+0x198/0x19c [ 59.824812][ T5234] irq event stamp: 631240 [ 59.825580][ T5234] hardirqs last enabled at (631239): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 59.827439][ T5234] hardirqs last disabled at (631240): [] el1_brk64+0x20/0x54 [ 59.829047][ T5234] softirqs last enabled at (631232): [] kernel_neon_begin+0x294/0x400 [ 59.830853][ T5234] softirqs last disabled at (631230): [] kernel_neon_begin+0x11c/0x400 [ 59.832599][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 59.868300][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.868413][ T5234] ------------[ cut here ]------------ [ 59.868417][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 59.873824][ T5234] Modules linked in: [ 59.874567][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.876405][ T5234] Tainted: [W]=WARN [ 59.877108][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.878848][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.880225][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.881383][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.882542][ T5234] sp : ffff800098ca6fc0 [ 59.883289][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef32b148 [ 59.884737][ T5234] x26: 0000000000000001 x25: ffff0000ed3c0000 x24: 0000000000000001 [ 59.886206][ T5234] x23: ffff0000c92ba000 x22: 000000000000feeb x21: ffff0000ef32b120 [ 59.887663][ T5234] x20: ffff700013194e08 x19: ffff0000c92ba068 x18: 1fffe00034bb7428 [ 59.889148][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.890603][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.892062][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.893464][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 59.894938][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 59.896419][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 59.897788][ T5234] Call trace: [ 59.898424][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 59.899548][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 59.900540][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 59.901576][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 59.902533][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 59.903484][ T5234] ext4_dirty_inode+0xd8/0x114 [ 59.904318][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 59.905183][ T5234] sync_lazytime+0x1a8/0x694 [ 59.905946][ T5234] iput+0x1f0/0xc2c [ 59.906642][ T5234] dentry_unlink_inode+0x380/0x45c [ 59.907563][ T5234] dentry_kill+0x1dc/0x840 [ 59.908388][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 59.909295][ T5234] shrink_dcache_tree+0x13c/0x35c [ 59.910219][ T5234] do_one_tree+0x24/0x58 [ 59.910977][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 59.911981][ T5234] generic_shutdown_super+0x74/0x2c0 [ 59.912921][ T5234] kill_block_super+0x48/0x94 [ 59.913795][ T5234] ext4_kill_sb+0x68/0xa4 [ 59.914596][ T5234] deactivate_locked_super+0xcc/0x148 [ 59.915590][ T5234] deactivate_super+0xd8/0xf8 [ 59.916453][ T5234] cleanup_mnt+0x318/0x3a8 [ 59.917265][ T5234] __cleanup_mnt+0x20/0x30 [ 59.918086][ T5234] task_work_run+0x1cc/0x25c [ 59.918945][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 59.920062][ T5234] el0_svc+0x18c/0x260 [ 59.920808][ T5234] el0t_64_sync_handler+0x44/0x104 [ 59.921734][ T5234] el0t_64_sync+0x198/0x19c [ 59.922555][ T5234] irq event stamp: 636314 [ 59.923331][ T5234] hardirqs last enabled at (636313): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 59.925302][ T5234] hardirqs last disabled at (636314): [] el1_brk64+0x20/0x54 [ 59.926942][ T5234] softirqs last enabled at (636306): [] kernel_neon_begin+0x294/0x400 [ 59.928816][ T5234] softirqs last disabled at (636304): [] kernel_neon_begin+0x11c/0x400 [ 59.930644][ T5234] ---[ end trace 0000000000000000 ]--- [ 59.972047][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.975380][ T5234] ------------[ cut here ]------------ [ 59.975390][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 59.978398][ T5234] Modules linked in: [ 59.979109][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.981199][ T5234] Tainted: [W]=WARN [ 59.981919][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.983863][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.985174][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 59.986279][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 59.987361][ T5234] sp : ffff800098ca6fc0 [ 59.988043][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef1727e8 [ 59.989456][ T5234] x26: 0000000000000001 x25: ffff0000ed3c0000 x24: 0000000000000001 [ 59.990899][ T5234] x23: ffff0000ca148000 x22: 000000000000feeb x21: ffff0000ef1727c0 [ 59.992294][ T5234] x20: ffff700013194e08 x19: ffff0000ca148068 x18: 1fffe00034bbbe28 [ 59.993719][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 59.995133][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 59.996492][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 59.997835][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.999177][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 60.000646][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.002113][ T5234] Call trace: [ 60.002670][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.003807][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.004678][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.005639][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.006590][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.007478][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.008309][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.009173][ T5234] sync_lazytime+0x1a8/0x694 [ 60.009937][ T5234] iput+0x1f0/0xc2c [ 60.010620][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.011553][ T5234] dentry_kill+0x1dc/0x840 [ 60.012358][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.013191][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.014052][ T5234] do_one_tree+0x24/0x58 [ 60.014752][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.015688][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.016607][ T5234] kill_block_super+0x48/0x94 [ 60.017442][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.018185][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.019105][ T5234] deactivate_super+0xd8/0xf8 [ 60.019932][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.020711][ T5234] __cleanup_mnt+0x20/0x30 [ 60.021486][ T5234] task_work_run+0x1cc/0x25c [ 60.022281][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.023215][ T5234] el0_svc+0x18c/0x260 [ 60.023957][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.024798][ T5234] el0t_64_sync+0x198/0x19c [ 60.025538][ T5234] irq event stamp: 642006 [ 60.026290][ T5234] hardirqs last enabled at (642005): [] finish_task_switch+0x234/0x858 [ 60.027999][ T5234] hardirqs last disabled at (642006): [] el1_brk64+0x20/0x54 [ 60.029572][ T5234] softirqs last enabled at (641996): [] kernel_neon_begin+0x294/0x400 [ 60.031231][ T5234] softirqs last disabled at (641994): [] kernel_neon_begin+0x11c/0x400 [ 60.032968][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 60.086370][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.086487][ T5234] ------------[ cut here ]------------ [ 60.086491][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 60.091769][ T5234] Modules linked in: [ 60.092388][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.094306][ T5234] Tainted: [W]=WARN [ 60.094935][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.096747][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.098159][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.099357][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.100527][ T5234] sp : ffff800098ca6fc0 [ 60.101234][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef32cd68 [ 60.102606][ T5234] x26: 0000000000000001 x25: ffff0000d1e90000 x24: 0000000000000001 [ 60.103974][ T5234] x23: ffff0000d0a02000 x22: 000000000000feeb x21: ffff0000ef32cd40 [ 60.105383][ T5234] x20: ffff700013194e08 x19: ffff0000d0a02068 x18: 1fffe00034bb7428 [ 60.106770][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.108167][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.109613][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.111068][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 60.112486][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 60.113893][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.115296][ T5234] Call trace: [ 60.115849][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.116898][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.117772][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.118731][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.119675][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.120615][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.121461][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.122328][ T5234] sync_lazytime+0x1a8/0x694 [ 60.123112][ T5234] iput+0x1f0/0xc2c [ 60.123750][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.124599][ T5234] dentry_kill+0x1dc/0x840 [ 60.125374][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.126205][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.127031][ T5234] do_one_tree+0x24/0x58 [ 60.127795][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.128724][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.129532][ T5234] kill_block_super+0x48/0x94 [ 60.130288][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.131042][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.131976][ T5234] deactivate_super+0xd8/0xf8 [ 60.132757][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.133526][ T5234] __cleanup_mnt+0x20/0x30 [ 60.134348][ T5234] task_work_run+0x1cc/0x25c [ 60.135267][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.136264][ T5234] el0_svc+0x18c/0x260 [ 60.136991][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.137897][ T5234] el0t_64_sync+0x198/0x19c [ 60.138655][ T5234] irq event stamp: 647896 [ 60.139374][ T5234] hardirqs last enabled at (647895): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 60.141262][ T5234] hardirqs last disabled at (647896): [] el1_brk64+0x20/0x54 [ 60.142810][ T5234] softirqs last enabled at (647888): [] kernel_neon_begin+0x294/0x400 [ 60.144500][ T5234] softirqs last disabled at (647886): [] kernel_neon_begin+0x11c/0x400 [ 60.146184][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 60.184204][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.184326][ T5234] ------------[ cut here ]------------ [ 60.184331][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 60.189476][ T5234] Modules linked in: [ 60.190128][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.191791][ T5234] Tainted: [W]=WARN [ 60.192398][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.194104][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.195426][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.196547][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.197663][ T5234] sp : ffff800098ca6fc0 [ 60.198364][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3ccd68 [ 60.199771][ T5234] x26: 0000000000000001 x25: ffff0000d1e90000 x24: 0000000000000001 [ 60.201184][ T5234] x23: ffff0000d99ba000 x22: 000000000000feeb x21: ffff0000ef3ccd40 [ 60.202602][ T5234] x20: ffff700013194e08 x19: ffff0000d99ba068 x18: 1fffe00034bb7428 [ 60.204006][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.205385][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.206756][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.208161][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 60.209557][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 60.210959][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.212294][ T5234] Call trace: [ 60.212822][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.213902][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.214813][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.215814][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.216750][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.217698][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.218487][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.219385][ T5234] sync_lazytime+0x1a8/0x694 [ 60.220185][ T5234] iput+0x1f0/0xc2c [ 60.220835][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.221711][ T5234] dentry_kill+0x1dc/0x840 [ 60.222470][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.223315][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.224160][ T5234] do_one_tree+0x24/0x58 [ 60.224903][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.225848][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.226774][ T5234] kill_block_super+0x48/0x94 [ 60.227605][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.228357][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.229276][ T5234] deactivate_super+0xd8/0xf8 [ 60.230063][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.230828][ T5234] __cleanup_mnt+0x20/0x30 [ 60.231557][ T5234] task_work_run+0x1cc/0x25c [ 60.232372][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.233257][ T5234] el0_svc+0x18c/0x260 [ 60.233939][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.234773][ T5234] el0t_64_sync+0x198/0x19c [ 60.235524][ T5234] irq event stamp: 653506 [ 60.236186][ T5234] hardirqs last enabled at (653505): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 60.237927][ T5234] hardirqs last disabled at (653506): [] el1_brk64+0x20/0x54 [ 60.239323][ T5234] softirqs last enabled at (653498): [] kernel_neon_begin+0x294/0x400 [ 60.240896][ T5234] softirqs last disabled at (653496): [] kernel_neon_begin+0x11c/0x400 [ 60.242470][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 60.301510][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.301629][ T5234] ------------[ cut here ]------------ [ 60.301634][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 60.307131][ T5234] Modules linked in: [ 60.307815][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.309588][ T5234] Tainted: [W]=WARN [ 60.310228][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.311933][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.313293][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.314414][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.315538][ T5234] sp : ffff800098ca6fc0 [ 60.316241][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef3ca7e8 [ 60.317558][ T5234] x26: 0000000000000001 x25: ffff0000d1e90000 x24: 0000000000000001 [ 60.318878][ T5234] x23: ffff0000d6a66000 x22: 000000000000feeb x21: ffff0000ef3ca7c0 [ 60.320223][ T5234] x20: ffff700013194e08 x19: ffff0000d6a66068 x18: 1fffe00034bb7428 [ 60.321529][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.322888][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.324276][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.325675][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 60.327030][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 60.328433][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.329810][ T5234] Call trace: [ 60.330384][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.331582][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.332501][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.333494][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.334436][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.335368][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.336167][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.337023][ T5234] sync_lazytime+0x1a8/0x694 [ 60.337775][ T5234] iput+0x1f0/0xc2c [ 60.338423][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.339272][ T5234] dentry_kill+0x1dc/0x840 [ 60.340027][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.340894][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.341747][ T5234] do_one_tree+0x24/0x58 [ 60.342503][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.343512][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.344442][ T5234] kill_block_super+0x48/0x94 [ 60.345276][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.346024][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.346975][ T5234] deactivate_super+0xd8/0xf8 [ 60.347801][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.348610][ T5234] __cleanup_mnt+0x20/0x30 [ 60.349402][ T5234] task_work_run+0x1cc/0x25c [ 60.350226][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.351199][ T5234] el0_svc+0x18c/0x260 [ 60.351937][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.352847][ T5234] el0t_64_sync+0x198/0x19c [ 60.353607][ T5234] irq event stamp: 658836 [ 60.354326][ T5234] hardirqs last enabled at (658835): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 60.356179][ T5234] hardirqs last disabled at (658836): [] el1_brk64+0x20/0x54 [ 60.357808][ T5234] softirqs last enabled at (658828): [] kernel_neon_begin+0x294/0x400 [ 60.359620][ T5234] softirqs last disabled at (658826): [] kernel_neon_begin+0x11c/0x400 [ 60.361732][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 60.420008][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.420122][ T5234] ------------[ cut here ]------------ [ 60.420127][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 60.425730][ T5234] Modules linked in: [ 60.426377][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.428079][ T5234] Tainted: [W]=WARN [ 60.428684][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.430398][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.431741][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.432839][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.433884][ T5234] sp : ffff800098ca6fc0 [ 60.434610][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef170bc8 [ 60.436008][ T5234] x26: 0000000000000001 x25: ffff0000ced50000 x24: 0000000000000001 [ 60.437406][ T5234] x23: ffff0000d048c000 x22: 000000000000feeb x21: ffff0000ef170ba0 [ 60.438847][ T5234] x20: ffff700013194e08 x19: ffff0000d048c068 x18: 1fffe00034bb7428 [ 60.440339][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.441806][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.443220][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.444632][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 60.446044][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 60.447393][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.448691][ T5234] Call trace: [ 60.449241][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.450344][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.451215][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.452185][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.453123][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.454041][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.454830][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.455730][ T5234] sync_lazytime+0x1a8/0x694 [ 60.456531][ T5234] iput+0x1f0/0xc2c [ 60.457203][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.458081][ T5234] dentry_kill+0x1dc/0x840 [ 60.458827][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.459714][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.460611][ T5234] do_one_tree+0x24/0x58 [ 60.461347][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.462320][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.463226][ T5234] kill_block_super+0x48/0x94 [ 60.464035][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.464803][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.465762][ T5234] deactivate_super+0xd8/0xf8 [ 60.466584][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.467497][ T5234] __cleanup_mnt+0x20/0x30 [ 60.468320][ T5234] task_work_run+0x1cc/0x25c [ 60.469176][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.470151][ T5234] el0_svc+0x18c/0x260 [ 60.470852][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.471768][ T5234] el0t_64_sync+0x198/0x19c [ 60.472635][ T5234] irq event stamp: 664444 [ 60.473435][ T5234] hardirqs last enabled at (664443): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 60.475396][ T5234] hardirqs last disabled at (664444): [] el1_brk64+0x20/0x54 [ 60.477048][ T5234] softirqs last enabled at (664436): [] kernel_neon_begin+0x294/0x400 [ 60.478854][ T5234] softirqs last disabled at (664434): [] kernel_neon_begin+0x11c/0x400 [ 60.480696][ T5234] ---[ end trace 0000000000000000 ]--- [ 60.509727][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.513767][ T5234] ------------[ cut here ]------------ [ 60.513777][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 60.516696][ T5234] Modules linked in: [ 60.517378][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.519060][ T5234] Tainted: [W]=WARN [ 60.519693][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.521479][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.523003][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.524289][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.525564][ T5234] sp : ffff800098ca6fc0 [ 60.526347][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e0341528 [ 60.527824][ T5234] x26: 0000000000000001 x25: ffff0000ced50000 x24: 0000000000000001 [ 60.529305][ T5234] x23: ffff0000cd124000 x22: 000000000000feeb x21: ffff0000e0341500 [ 60.530784][ T5234] x20: ffff700013194e08 x19: ffff0000cd124068 x18: 1fffe00034bb7428 [ 60.532419][ T5234] x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 [ 60.534049][ T5234] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 60.535534][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.536964][ T5234] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 60.538408][ T5234] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804972c8 [ 60.539779][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.541294][ T5234] Call trace: [ 60.541877][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.542957][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.543857][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.544867][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.545809][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.546742][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.547534][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.548399][ T5234] sync_lazytime+0x1a8/0x694 [ 60.549230][ T5234] iput+0x1f0/0xc2c [ 60.549900][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.550811][ T5234] dentry_kill+0x1dc/0x840 [ 60.551602][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.552485][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.553361][ T5234] do_one_tree+0x24/0x58 [ 60.554085][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.555088][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.556010][ T5234] kill_block_super+0x48/0x94 [ 60.556791][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.557547][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.558512][ T5234] deactivate_super+0xd8/0xf8 [ 60.559338][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.560093][ T5234] __cleanup_mnt+0x20/0x30 [ 60.560860][ T5234] task_work_run+0x1cc/0x25c [ 60.561655][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.562586][ T5234] el0_svc+0x18c/0x260 [ 60.563315][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.564258][ T5234] el0t_64_sync+0x198/0x19c [ 60.565050][ T5234] irq event stamp: 669304 [ 60.565764][ T5234] hardirqs last enabled at (669303): [] finish_task_switch+0x234/0x858 [ 60.567433][ T5234] hardirqs last disabled at (669304): [] el1_brk64+0x20/0x54 [ 60.568997][ T5234] softirqs last enabled at (669294): [] kernel_neon_begin+0x294/0x400 [ 60.570774][ T5234] softirqs last disabled at (669292): [] kernel_neon_begin+0x11c/0x400 [ 60.572510][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 60.606596][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.606711][ T5234] ------------[ cut here ]------------ [ 60.606717][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 60.612192][ T5234] Modules linked in: [ 60.612890][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.614813][ T5234] Tainted: [W]=WARN [ 60.615459][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.617228][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.618607][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.619712][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.620864][ T5234] sp : ffff800098ca6fc0 [ 60.621546][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000ef32e028 [ 60.622916][ T5234] x26: 0000000000000001 x25: ffff0000ced50000 x24: 0000000000000001 [ 60.624338][ T5234] x23: ffff0000cfc3c000 x22: 000000000000feeb x21: ffff0000ef32e000 [ 60.625753][ T5234] x20: ffff700013194e08 x19: ffff0000cfc3c068 x18: 0000000000000000 [ 60.627239][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.628692][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.630063][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.631401][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 60.632772][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 60.634179][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.635586][ T5234] Call trace: [ 60.636136][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.637228][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.638162][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.639168][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.640110][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.641053][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.641861][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.642697][ T5234] sync_lazytime+0x1a8/0x694 [ 60.643475][ T5234] iput+0x1f0/0xc2c [ 60.644135][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.645025][ T5234] dentry_kill+0x1dc/0x840 [ 60.645791][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.646639][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.647486][ T5234] do_one_tree+0x24/0x58 [ 60.648209][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.649138][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.650047][ T5234] kill_block_super+0x48/0x94 [ 60.650834][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.651577][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.652509][ T5234] deactivate_super+0xd8/0xf8 [ 60.653366][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.654173][ T5234] __cleanup_mnt+0x20/0x30 [ 60.654926][ T5234] task_work_run+0x1cc/0x25c [ 60.655747][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.656706][ T5234] el0_svc+0x18c/0x260 [ 60.657405][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.658309][ T5234] el0t_64_sync+0x198/0x19c [ 60.659082][ T5234] irq event stamp: 674372 [ 60.659847][ T5234] hardirqs last enabled at (674371): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 60.661766][ T5234] hardirqs last disabled at (674372): [] el1_brk64+0x20/0x54 [ 60.663282][ T5234] softirqs last enabled at (674364): [] kernel_neon_begin+0x294/0x400 [ 60.664895][ T5234] softirqs last disabled at (674362): [] kernel_neon_begin+0x11c/0x400 [ 60.666491][ T5234] ---[ end trace 0000000000000000 ]--- [ 60.714202][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.714323][ T5234] ------------[ cut here ]------------ [ 60.714330][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 60.718959][ T5234] Modules linked in: [ 60.719746][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.721796][ T5234] Tainted: [W]=WARN [ 60.722535][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.724383][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.725758][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.726946][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.728117][ T5234] sp : ffff800098ca6fc0 [ 60.728828][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2b0268 [ 60.730260][ T5234] x26: 0000000000000001 x25: ffff0000ced50000 x24: 0000000000000001 [ 60.731662][ T5234] x23: ffff0000d0e94000 x22: 000000000000feeb x21: ffff0000db2b0240 [ 60.733150][ T5234] x20: ffff700013194e08 x19: ffff0000d0e94068 x18: 1fffe00034bbbe28 [ 60.734614][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.736006][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.737387][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.738703][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 60.740081][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 60.741436][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.742829][ T5234] Call trace: [ 60.743406][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.744551][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.745499][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.746567][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.747535][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.748453][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.749241][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.750048][ T5234] sync_lazytime+0x1a8/0x694 [ 60.750806][ T5234] iput+0x1f0/0xc2c [ 60.751446][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.752323][ T5234] dentry_kill+0x1dc/0x840 [ 60.753107][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.754045][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.754952][ T5234] do_one_tree+0x24/0x58 [ 60.755731][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.756640][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.757515][ T5234] kill_block_super+0x48/0x94 [ 60.758418][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.759250][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.760279][ T5234] deactivate_super+0xd8/0xf8 [ 60.761062][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.761820][ T5234] __cleanup_mnt+0x20/0x30 [ 60.762598][ T5234] task_work_run+0x1cc/0x25c [ 60.763451][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.764400][ T5234] el0_svc+0x18c/0x260 [ 60.765137][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.766014][ T5234] el0t_64_sync+0x198/0x19c [ 60.766770][ T5234] irq event stamp: 679484 [ 60.767523][ T5234] hardirqs last enabled at (679483): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 60.769405][ T5234] hardirqs last disabled at (679484): [] el1_brk64+0x20/0x54 [ 60.770973][ T5234] softirqs last enabled at (679476): [] kernel_neon_begin+0x294/0x400 [ 60.772687][ T5234] softirqs last disabled at (679474): [] kernel_neon_begin+0x11c/0x400 [ 60.774396][ T5234] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 60.800141][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.800257][ T5234] ------------[ cut here ]------------ [ 60.800261][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#1: syz-executor/5234 [ 60.806095][ T5234] Modules linked in: [ 60.806830][ T5234] CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.808713][ T5234] Tainted: [W]=WARN [ 60.809395][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.811222][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.812627][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.813801][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.815019][ T5234] sp : ffff800098ca6fc0 [ 60.815759][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000db2b0bc8 [ 60.817120][ T5234] x26: 0000000000000001 x25: ffff0000ced50000 x24: 0000000000000001 [ 60.818584][ T5234] x23: ffff0000cf61c000 x22: 000000000000feeb x21: ffff0000db2b0ba0 [ 60.819967][ T5234] x20: ffff700013194e08 x19: ffff0000cf61c068 x18: 0000000000000000 [ 60.821318][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.822744][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.824121][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.825415][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 60.826745][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 60.828149][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.829549][ T5234] Call trace: [ 60.830120][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.831229][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.832109][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.833106][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.834023][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.834906][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.835758][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.836618][ T5234] sync_lazytime+0x1a8/0x694 [ 60.837348][ T5234] iput+0x1f0/0xc2c [ 60.837996][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.838880][ T5234] dentry_kill+0x1dc/0x840 [ 60.839625][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.840494][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.841352][ T5234] do_one_tree+0x24/0x58 [ 60.842104][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.843058][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.843977][ T5234] kill_block_super+0x48/0x94 [ 60.844774][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.845610][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.846540][ T5234] deactivate_super+0xd8/0xf8 [ 60.847309][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.848029][ T5234] __cleanup_mnt+0x20/0x30 [ 60.848797][ T5234] task_work_run+0x1cc/0x25c [ 60.849556][ T5234] exit_to_user_mode_loop+0x10c/0x17c [ 60.850484][ T5234] el0_svc+0x18c/0x260 [ 60.851229][ T5234] el0t_64_sync_handler+0x44/0x104 [ 60.852174][ T5234] el0t_64_sync+0x198/0x19c [ 60.852988][ T5234] irq event stamp: 684456 [ 60.853713][ T5234] hardirqs last enabled at (684455): [] __arm64_exit_to_kernel_mode+0x64/0x78 [ 60.855473][ T5234] hardirqs last disabled at (684456): [] el1_brk64+0x20/0x54 [ 60.857055][ T5234] softirqs last enabled at (684448): [] kernel_neon_begin+0x294/0x400 [ 60.858853][ T5234] softirqs last disabled at (684446): [] kernel_neon_begin+0x11c/0x400 [ 60.860641][ T5234] ---[ end trace 0000000000000000 ]--- [ 60.907153][ T5234] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 60.907266][ T5234] ------------[ cut here ]------------ [ 60.907273][ T5234] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x6bc/0x1220, CPU#0: syz-executor/5234 [ 60.911934][ T5234] Modules linked in: [ 60.912633][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 60.914541][ T5234] Tainted: [W]=WARN [ 60.915238][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.917078][ T5234] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 60.918535][ T5234] pc : ext4_xattr_inode_lookup_create+0x6bc/0x1220 [ 60.919799][ T5234] lr : ext4_xattr_inode_lookup_create+0x6b8/0x1220 [ 60.920995][ T5234] sp : ffff800098ca6fc0 [ 60.921735][ T5234] x29: ffff800098ca7100 x28: dfff800000000000 x27: ffff0000e01f8bc8 [ 60.923145][ T5234] x26: 0000000000000001 x25: ffff0000ced50000 x24: 0000000000000001 [ 60.924659][ T5234] x23: ffff0000dc146000 x22: 000000000000feeb x21: ffff0000e01f8ba0 [ 60.926175][ T5234] x20: ffff700013194e08 x19: ffff0000dc146068 x18: 1fffe00034bb7428 [ 60.927683][ T5234] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 60.929118][ T5234] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 60.930537][ T5234] x11: 0000000000000000 x10: 0000000000000001 x9 : dec9b06234781200 [ 60.932053][ T5234] x8 : 00000000000000f8 x7 : ffff80008048c5b8 x6 : 0000000000000000 [ 60.933550][ T5234] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804972c8 [ 60.935045][ T5234] x2 : 0000000100000000 x1 : ffff0000c956ba80 x0 : 0000000000000066 [ 60.936502][ T5234] Call trace: [ 60.937109][ T5234] ext4_xattr_inode_lookup_create+0x6bc/0x1220 (P) [ 60.938324][ T5234] ext4_xattr_block_set+0x1d4/0x21e8 [ 60.939275][ T5234] ext4_expand_extra_isize_ea+0xaf4/0x1384 [ 60.940340][ T5234] __ext4_expand_extra_isize+0x2a4/0x378 [ 60.941351][ T5234] __ext4_mark_inode_dirty+0x394/0x828 [ 60.942310][ T5234] ext4_dirty_inode+0xd8/0x114 [ 60.943120][ T5234] __mark_inode_dirty+0x378/0x1ac4 [ 60.943978][ T5234] sync_lazytime+0x1a8/0x694 [ 60.944795][ T5234] iput+0x1f0/0xc2c [ 60.945444][ T5234] dentry_unlink_inode+0x380/0x45c [ 60.946332][ T5234] dentry_kill+0x1dc/0x840 [ 60.947174][ T5234] shrink_dentry_list+0x28c/0x3a0 [ 60.948072][ T5234] shrink_dcache_tree+0x13c/0x35c [ 60.949083][ T5234] do_one_tree+0x24/0x58 [ 60.949859][ T5234] shrink_dcache_for_umount+0x108/0x460 [ 60.950849][ T5234] generic_shutdown_super+0x74/0x2c0 [ 60.951719][ T5234] kill_block_super+0x48/0x94 [ 60.952514][ T5234] ext4_kill_sb+0x68/0xa4 [ 60.953285][ T5234] deactivate_locked_super+0xcc/0x148 [ 60.954242][ T5234] deactivate_super+0xd8/0xf8 [ 60.955055][ T5234] cleanup_mnt+0x318/0x3a8 [ 60.955829][ T5234] __cleanup_mnt+0x20/0x30 [ 60.956562][ T5234] task_work_run+0x1cc/0x25c