[ 36.065641][ T3867] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.155355][ T3867] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.256947][ T3867] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.542182][ T3867] bridge_slave_1: left allmulticast mode [ 36.542214][ T3867] bridge_slave_1: left promiscuous mode [ 36.542307][ T3867] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.544869][ T3867] bridge_slave_0: left allmulticast mode [ 36.544880][ T3867] bridge_slave_0: left promiscuous mode [ 36.544941][ T3867] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.682459][ T3867] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 36.733420][ T3867] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 36.782915][ T3867] bond0 (unregistering): Released all slaves [ 36.923401][ T4395] 8021q: adding VLAN 0 to HW filter on device eth0 [ 37.045351][ T4395] 8021q: adding VLAN 0 to HW filter on device eth2 [ 37.097613][ T3867] hsr_slave_0: left promiscuous mode [ 37.099019][ T3867] hsr_slave_1: left promiscuous mode [ 37.100447][ T3867] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 37.103717][ T3867] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 37.105435][ T3867] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 37.105458][ T3867] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 37.109481][ T3867] veth1_macvtap: left promiscuous mode [ 37.109518][ T3867] veth0_macvtap: left promiscuous mode [ 37.109568][ T3867] veth1_vlan: left promiscuous mode [ 37.109597][ T3867] veth0_vlan: left promiscuous mode [ 37.201946][ T3867] team0 (unregistering): Port device team_slave_1 removed [ 37.206628][ T3867] team0 (unregistering): Port device team_slave_0 removed [ 37.251453][ T4395] 8021q: adding VLAN 0 to HW filter on device eth1 [ 37.385052][ T4395] 8021q: adding VLAN 0 to HW filter on device eth3 Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "type"="gce" 1970/01/01 00:00:40 parsed 1 programs [ 41.471786][ T5010] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 44.289136][ T5046] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.289176][ T5046] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.289229][ T5046] bridge_slave_0: entered allmulticast mode [ 44.289637][ T5046] bridge_slave_0: entered promiscuous mode [ 44.290227][ T5046] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.290245][ T5046] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.290287][ T5046] bridge_slave_1: entered allmulticast mode [ 44.290694][ T5046] bridge_slave_1: entered promiscuous mode [ 44.301359][ T5046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 44.302612][ T5046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 44.309539][ T5046] team0: Port device team_slave_0 added [ 44.310546][ T5046] team0: Port device team_slave_1 added [ 44.317768][ T5046] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 44.317790][ T5046] 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. [ 44.317806][ T5046] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 44.318285][ T5046] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 44.318291][ T5046] 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. [ 44.318303][ T5046] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.338682][ T5046] hsr_slave_0: entered promiscuous mode [ 44.338979][ T5046] hsr_slave_1: entered promiscuous mode [ 44.743115][ T5046] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.745619][ T5046] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 44.746416][ T5046] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.749607][ T5046] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 44.751363][ T5046] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.754283][ T5046] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 44.755998][ T5046] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.758933][ T5046] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 44.776366][ T5046] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.776415][ T5046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.776499][ T5046] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.776546][ T5046] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.823803][ T5046] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.839946][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.846266][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.851121][ T5046] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.854432][ T3867] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.854471][ T3867] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.868067][ T867] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.868110][ T867] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.992988][ T5046] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.009503][ T5046] veth0_vlan: entered promiscuous mode [ 45.011811][ T5046] veth1_vlan: entered promiscuous mode [ 45.017737][ T5046] veth0_macvtap: entered promiscuous mode [ 45.020508][ T5046] veth1_macvtap: entered promiscuous mode [ 45.028818][ T5046] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.033290][ T5046] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.037959][ T867] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.038051][ T867] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.038079][ T867] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.038095][ T867] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.147074][ T867] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.199589][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.199642][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.210542][ T867] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.217775][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.217800][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.278907][ T867] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.340818][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.344629][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.345427][ T867] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.346214][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.349895][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.351871][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:45 executed programs: 0 [ 45.577715][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.579925][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.581834][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.586797][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.588163][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.724494][ T5225] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.724577][ T5225] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.724633][ T5225] bridge_slave_0: entered allmulticast mode [ 45.725070][ T5225] bridge_slave_0: entered promiscuous mode [ 45.725847][ T5225] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.725891][ T5225] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.725939][ T5225] bridge_slave_1: entered allmulticast mode [ 45.726343][ T5225] bridge_slave_1: entered promiscuous mode [ 45.738915][ T5225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.739827][ T5225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.747400][ T5225] team0: Port device team_slave_0 added [ 45.748139][ T5225] team0: Port device team_slave_1 added [ 45.755787][ T5225] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.755807][ T5225] 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. [ 45.755821][ T5225] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.756331][ T5225] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.756337][ T5225] 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. [ 45.756349][ T5225] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.778845][ T5225] hsr_slave_0: entered promiscuous mode [ 45.779163][ T5225] hsr_slave_1: entered promiscuous mode [ 45.779346][ T5225] debugfs: 'hsr0' already exists in 'hsr' [ 45.779357][ T5225] Cannot create hsr debugfs directory [ 47.622354][ T50] Bluetooth: hci0: command tx timeout [ 48.662237][ T867] bridge_slave_1: left allmulticast mode [ 48.662272][ T867] bridge_slave_1: left promiscuous mode [ 48.662366][ T867] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.664918][ T867] bridge_slave_0: left allmulticast mode [ 48.664929][ T867] bridge_slave_0: left promiscuous mode [ 48.664985][ T867] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.783618][ T867] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 48.803359][ T867] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.852862][ T867] bond0 (unregistering): Released all slaves [ 48.901673][ T867] hsr_slave_0: left promiscuous mode [ 48.908119][ T867] hsr_slave_1: left promiscuous mode [ 48.909520][ T867] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 48.911029][ T867] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 48.912787][ T867] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 48.912807][ T867] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 48.918331][ T867] veth1_macvtap: left promiscuous mode [ 48.918360][ T867] veth0_macvtap: left promiscuous mode [ 48.918403][ T867] veth1_vlan: left promiscuous mode [ 48.918430][ T867] veth0_vlan: left promiscuous mode [ 49.009643][ T867] team0 (unregistering): Port device team_slave_1 removed [ 49.013324][ T867] team0 (unregistering): Port device team_slave_0 removed [ 49.058521][ T4395] 8021q: adding VLAN 0 to HW filter on device eth0 [ 49.338596][ T5225] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.341185][ T5225] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 49.347534][ T5225] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.352470][ T5225] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 49.354028][ T5225] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.356277][ T5225] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 49.356646][ T5225] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.358405][ T5225] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 49.379977][ T5225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.488856][ T5225] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.490627][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.490668][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.503327][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.503357][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.511593][ T5225] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.608530][ T5225] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.630923][ T5225] veth0_vlan: entered promiscuous mode [ 49.687503][ T5225] veth1_vlan: entered promiscuous mode [ 49.692128][ T50] Bluetooth: hci0: command tx timeout [ 49.692983][ T5225] veth0_macvtap: entered promiscuous mode [ 49.693968][ T5225] veth1_macvtap: entered promiscuous mode [ 49.698284][ T5225] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.699502][ T5225] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.702474][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.707252][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.707696][ T1267] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.707728][ T1267] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.723153][ T1267] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.724785][ T1267] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.729745][ T4004] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.729768][ T4004] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.757079][ T5315] loop0: detected capacity change from 0 to 1024 [ 49.764875][ T5315] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.778349][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 49.782199][ T5225] ------------[ cut here ]------------ [ 49.782209][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 49.785323][ T5225] Modules linked in: [ 49.786057][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Not tainted syzkaller #0 PREEMPT [ 49.787692][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 49.789603][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.791132][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 49.792454][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 49.793754][ T5225] sp : ffff800099487060 [ 49.794555][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 49.796137][ T5225] x26: ffff0000dcd0f258 x25: ffff0000dcd0f280 x24: ffff800088a09b80 [ 49.797711][ T5225] x23: ffff0000ddcac000 x22: 000000000000feeb x21: ffff0000ddcac068 [ 49.799317][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 49.800996][ T5225] x17: ffff80011d6bf000 x16: ffff80008e990000 x15: 0000000000000000 [ 49.802645][ T5225] x14: 00000000ffff8000 x13: 0000000000000001 x12: 0000000000000000 [ 49.804130][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 49.805673][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.807212][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 49.808678][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 49.810257][ T5225] Call trace: [ 49.810868][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 49.812127][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 49.813087][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 49.814175][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 49.815243][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 49.816293][ T5225] ext4_dirty_inode+0xd4/0x104 [ 49.817180][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 49.818075][ T5225] sync_lazytime+0x1a8/0x68c [ 49.818910][ T5225] iput+0x1cc/0xb90 [ 49.819621][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 49.820579][ T5225] __dentry_kill+0x170/0x5fc [ 49.821458][ T5225] shrink_kill+0xe8/0x318 [ 49.822279][ T5225] shrink_dentry_list+0x154/0x2a4 [ 49.823223][ T5225] shrink_dcache_tree+0x40c/0x570 [ 49.824189][ T5225] do_one_tree+0x24/0x58 [ 49.825016][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 49.826083][ T5225] generic_shutdown_super+0x70/0x2b8 [ 49.827029][ T5225] kill_block_super+0x44/0x90 [ 49.827807][ T5225] ext4_kill_sb+0x68/0xa4 [ 49.828562][ T5225] deactivate_locked_super+0xc4/0x140 [ 49.829598][ T5225] deactivate_super+0xd8/0xf8 [ 49.830469][ T5225] cleanup_mnt+0x328/0x3b8 [ 49.831324][ T5225] __cleanup_mnt+0x20/0x30 [ 49.832132][ T5225] task_work_run+0x1c4/0x254 [ 49.833072][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 49.834113][ T5225] el0_svc+0x18c/0x260 [ 49.834924][ T5225] el0t_64_sync_handler+0x48/0x148 [ 49.835952][ T5225] el0t_64_sync+0x198/0x19c [ 49.836851][ T5225] irq event stamp: 145740 [ 49.837698][ T5225] hardirqs last enabled at (145739): [] finish_task_switch+0x22c/0x768 [ 49.839659][ T5225] hardirqs last disabled at (145740): [] el1_brk64+0x20/0x54 [ 49.841399][ T5225] softirqs last enabled at (145730): [] kernel_neon_begin+0x294/0x3fc [ 49.843263][ T5225] softirqs last disabled at (145728): [] kernel_neon_begin+0x11c/0x3fc [ 49.845232][ T5225] ---[ end trace 0000000000000000 ]--- [ 49.849216][ T5225] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 12. Delete some EAs or run e2fsck. [ 49.858409][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.871715][ T5320] loop0: detected capacity change from 0 to 1024 [ 49.893574][ T5320] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.902661][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 49.905105][ T5225] ------------[ cut here ]------------ [ 49.905113][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 49.908277][ T5225] Modules linked in: [ 49.909049][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 49.910987][ T5225] Tainted: [W]=WARN [ 49.911702][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 49.913584][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.915118][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 49.916438][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 49.917777][ T5225] sp : ffff800099487060 [ 49.918624][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 49.920282][ T5225] x26: ffff0000dcda30f0 x25: ffff0000dcda3118 x24: ffff800088a09b80 [ 49.921842][ T5225] x23: ffff0000d839a000 x22: 000000000000feeb x21: ffff0000d839a068 [ 49.923395][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 49.924915][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 49.926497][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 49.928105][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 49.929683][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.931177][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 49.932727][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 49.934285][ T5225] Call trace: [ 49.934929][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 49.936202][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 49.937262][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 49.938407][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 49.939481][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 49.940534][ T5225] ext4_dirty_inode+0xd4/0x104 [ 49.941455][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 49.942442][ T5225] sync_lazytime+0x1a8/0x68c [ 49.943383][ T5225] iput+0x1cc/0xb90 [ 49.944153][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 49.945191][ T5225] __dentry_kill+0x170/0x5fc [ 49.946111][ T5225] shrink_kill+0xe8/0x318 [ 49.946987][ T5225] shrink_dentry_list+0x154/0x2a4 [ 49.948001][ T5225] shrink_dcache_tree+0x40c/0x570 [ 49.948993][ T5225] do_one_tree+0x24/0x58 [ 49.949831][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 49.950930][ T5225] generic_shutdown_super+0x70/0x2b8 [ 49.952021][ T5225] kill_block_super+0x44/0x90 [ 49.952965][ T5225] ext4_kill_sb+0x68/0xa4 [ 49.953786][ T5225] deactivate_locked_super+0xc4/0x140 [ 49.954779][ T5225] deactivate_super+0xd8/0xf8 [ 49.955713][ T5225] cleanup_mnt+0x328/0x3b8 [ 49.956544][ T5225] __cleanup_mnt+0x20/0x30 [ 49.957437][ T5225] task_work_run+0x1c4/0x254 [ 49.958341][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 49.959327][ T5225] el0_svc+0x18c/0x260 [ 49.960082][ T5225] el0t_64_sync_handler+0x48/0x148 [ 49.961028][ T5225] el0t_64_sync+0x198/0x19c [ 49.961881][ T5225] irq event stamp: 154002 [ 49.962731][ T5225] hardirqs last enabled at (154001): [] finish_task_switch+0x22c/0x768 [ 49.964710][ T5225] hardirqs last disabled at (154002): [] el1_brk64+0x20/0x54 [ 49.966493][ T5225] softirqs last enabled at (153992): [] kernel_neon_begin+0x294/0x3fc [ 49.968336][ T5225] softirqs last disabled at (153990): [] kernel_neon_begin+0x11c/0x3fc [ 49.970245][ T5225] ---[ end trace 0000000000000000 ]--- [ 49.982740][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.016260][ T5324] loop0: detected capacity change from 0 to 1024 [ 50.044227][ T5324] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50.048013][ T522 ** replaying previous printk message ** [ 50.048013][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.048313][ T5225] ------------[ cut here ]------------ [ 50.048319][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 50.054321][ T5225] Modules linked in: [ 50.055083][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.057017][ T5225] Tainted: [W]=WARN [ 50.057726][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.059622][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.061064][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.062392][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.063742][ T5225] sp : ffff800099487060 [ 50.064569][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.066226][ T5225] x26: ffff0000e1e41e40 x25: ffff0000e1e41e68 x24: ffff800088a09b80 [ 50.067824][ T5225] x23: ffff0000d4abc000 x22: 000000000000feeb x21: ffff0000d4abc068 [ 50.069431][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 50.070976][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 50.072573][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 50.074153][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 50.075780][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.077401][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 50.078974][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 50.080593][ T5225] Call trace: [ 50.081215][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 50.082476][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 50.083455][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 50.084578][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 50.085675][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 50.086721][ T5225] ext4_dirty_inode+0xd4/0x104 [ 50.087622][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 50.088588][ T5225] sync_lazytime+0x1a8/0x68c [ 50.089470][ T5225] iput+0x1cc/0xb90 [ 50.090172][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 50.091130][ T5225] __dentry_kill+0x170/0x5fc [ 50.092008][ T5225] shrink_kill+0xe8/0x318 [ 50.092797][ T5225] shrink_dentry_list+0x154/0x2a4 [ 50.093745][ T5225] shrink_dcache_tree+0x40c/0x570 [ 50.094711][ T5225] do_one_tree+0x24/0x58 [ 50.095513][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 50.096591][ T5225] generic_shutdown_super+0x70/0x2b8 [ 50.097598][ T5225] kill_block_super+0x44/0x90 [ 50.098492][ T5225] ext4_kill_sb+0x68/0xa4 [ 50.099363][ T5225] deactivate_locked_super+0xc4/0x140 [ 50.100434][ T5225] deactivate_super+0xd8/0xf8 [ 50.101351][ T5225] cleanup_mnt+0x328/0x3b8 [ 50.102264][ T5225] __cleanup_mnt+0x20/0x30 [ 50.103174][ T5225] task_work_run+0x1c4/0x254 [ 50.104143][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 50.105204][ T5225] el0_svc+0x18c/0x260 [ 50.105973][ T5225] el0t_64_sync_handler+0x48/0x148 [ 50.106966][ T5225] el0t_64_sync+0x198/0x19c [ 50.107851][ T5225] irq event stamp: 160884 [ 50.108697][ T5225] hardirqs last enabled at (160883): [] finish_task_switch+0x22c/0x768 [ 50.110580][ T5225] hardirqs last disabled at (160884): [] el1_brk64+0x20/0x54 [ 50.112311][ T5225] softirqs last enabled at (160874): [] kernel_neon_begin+0x294/0x3fc [ 50.114202][ T5225] softirqs last disabled at (160872): [] kernel_neon_begin+0x11c/0x3fc [ 50.116036][ T5225] ---[ end trace 0000000000000000 ]--- [ 50.121607][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.136325][ T5328] loop0: detected capacity change from 0 to 1024 [ 50.150849][ T5328] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50 ** replaying previous printk message ** [ 50.155975][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.156085][ T5225] ------------[ cut here ]------------ [ 50.156089][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 50.162019][ T5225] Modules linked in: [ 50.162800][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.164933][ T5225] Tainted: [W]=WARN [ 50.165696][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.167545][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.169062][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.170311][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.171604][ T5225] sp : ffff800099487060 [ 50.172388][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.173939][ T5225] x26: ffff0000d0179e40 x25: ffff0000d0179e68 x24: ffff800088a09b80 [ 50.175590][ T5225] x23: ffff0000d5e2a000 x22: 000000000000feeb x21: ffff0000d5e2a068 [ 50.177221][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 50.178793][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 50.180388][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 50.181967][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 50.183571][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 50.185122][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 50.186700][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 50.188312][ T5225] Call trace: [ 50.189006][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 50.190275][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 50.191286][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 50.192491][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 50.193600][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 50.194678][ T5225] ext4_dirty_inode+0xd4/0x104 [ 50.195610][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 50.196605][ T5225] sync_lazytime+0x1a8/0x68c [ 50.197506][ T5225] iput+0x1cc/0xb90 [ 50.198218][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 50.199238][ T5225] __dentry_kill+0x170/0x5fc [ 50.200163][ T5225] shrink_kill+0xe8/0x318 [ 50.201044][ T5225] shrink_dentry_list+0x154/0x2a4 [ 50.202003][ T5225] shrink_dcache_tree+0x40c/0x570 [ 50.202988][ T5225] do_one_tree+0x24/0x58 [ 50.203805][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 50.204838][ T5225] generic_shutdown_super+0x70/0x2b8 [ 50.205933][ T5225] kill_block_super+0x44/0x90 [ 50.206822][ T5225] ext4_kill_sb+0x68/0xa4 [ 50.207659][ T5225] deactivate_locked_super+0xc4/0x140 [ 50.208694][ T5225] deactivate_super+0xd8/0xf8 [ 50.209646][ T5225] cleanup_mnt+0x328/0x3b8 [ 50.210519][ T5225] __cleanup_mnt+0x20/0x30 [ 50.211411][ T5225] task_work_run+0x1c4/0x254 [ 50.212342][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 50.213364][ T5225] el0_svc+0x18c/0x260 [ 50.214131][ T5225] el0t_64_sync_handler+0x48/0x148 [ 50.215139][ T5225] el0t_64_sync+0x198/0x19c [ 50.215986][ T5225] irq event stamp: 166342 [ 50.216782][ T5225] hardirqs last enabled at (166341): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 50.218764][ T5225] hardirqs last disabled at (166342): [] el1_brk64+0x20/0x54 [ 50.220504][ T5225] softirqs last enabled at (166334): [] kernel_neon_begin+0x294/0x3fc [ 50.222403][ T5225] softirqs last disabled at (166332): [] kernel_neon_begin+0x11c/0x3fc [ 50.224327][ T5225] ---[ end trace 0000000000000000 ]--- [ 50.228525][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.246142][ T5332] loop0: detected capacity change from 0 to 1024 [ 50.266284][ T5332] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 50.273249][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.273355][ T5225] ------------[ cut here ]------------ [ 50.273360][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 50.279532][ T5225] Modules linked in: [ 50.280334][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.282316][ T5225] Tainted: [W]=WARN [ 50.283106][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.285107][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.286710][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.288006][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.289262][ T5225] sp : ffff800099487060 [ 50.290096][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.291731][ T5225] x26: ffff0000dcda0b90 x25: ffff0000dcda0bb8 x24: ffff800088a09b80 [ 50.293360][ T5225] x23: ffff0000d5534000 x22: 000000000000feeb x21: ffff0000d5534068 [ 50.294988][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 50.296518][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 50.298147][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 50.299749][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 50.301261][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 50.302839][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 50.304413][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 50.305989][ T5225] Call trace: [ 50.306607][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 50.307939][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 50.309024][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 50.310176][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 50.311235][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 50.312232][ T5225] ext4_dirty_inode+0xd4/0x104 [ 50.313120][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 50.314101][ T5225] sync_lazytime+0x1a8/0x68c [ 50.314987][ T5225] iput+0x1cc/0xb90 [ 50.315723][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 50.316722][ T5225] __dentry_kill+0x170/0x5fc [ 50.317638][ T5225] shrink_kill+0xe8/0x318 [ 50.318498][ T5225] shrink_dentry_list+0x154/0x2a4 [ 50.319445][ T5225] shrink_dcache_tree+0x40c/0x570 [ 50.320437][ T5225] do_one_tree+0x24/0x58 [ 50.321268][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 50.322328][ T5225] generic_shutdown_super+0x70/0x2b8 [ 50.323341][ T5225] kill_block_super+0x44/0x90 [ 50.324260][ T5225] ext4_kill_sb+0x68/0xa4 [ 50.325138][ T5225] deactivate_locked_super+0xc4/0x140 [ 50.326217][ T5225] deactivate_super+0xd8/0xf8 [ 50.327139][ T5225] cleanup_mnt+0x328/0x3b8 [ 50.328044][ T5225] __cleanup_mnt+0x20/0x30 [ 50.328901][ T5225] task_work_run+0x1c4/0x254 [ 50.329830][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 50.330904][ T5225] el0_svc+0x18c/0x260 [ 50.331689][ T5225] el0t_64_sync_handler+0x48/0x148 [ 50.332746][ T5225] el0t_64_sync+0x198/0x19c [ 50.333585][ T5225] irq event stamp: 173114 [ 50.334400][ T5225] hardirqs last enabled at (173113): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 50.336426][ T5225] hardirqs last disabled at (173114): [] el1_brk64+0x20/0x54 [ 50.338201][ T5225] softirqs last enabled at (173106): [] kernel_neon_begin+0x294/0x3fc [ 50.340188][ T5225] softirqs last disabled at (173104): [] kernel_neon_begin+0x11c/0x3fc [ 50.342123][ T5225] ---[ end trace 0000000000000000 ]--- [ 50.346851][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.367207][ T5336] loop0: detected capacity change from 0 to 1024 [ 50.374229][ T5336] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 50.390719][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.390839][ T5225] ------------[ cut here ]------------ [ 50.390844][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 50.396926][ T5225] Modules linked in: [ 50.397674][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.399650][ T5225] Tainted: [W]=WARN [ 50.400428][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.402301][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.403763][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.405018][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.406266][ T5225] sp : ffff800099487060 [ 50.407058][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.408623][ T5225] x26: ffff0000dcda7258 x25: ffff0000dcda7280 x24: ffff800088a09b80 [ 50.410174][ T5225] x23: ffff0000d62da000 x22: 000000000000feeb x21: ffff0000d62da068 [ 50.411698][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 50.413243][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 50.414756][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 50.416302][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 50.417882][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 50.419446][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 50.421069][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 50.422656][ T5225] Call trace: [ 50.423303][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 50.424583][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 50.425608][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 50.426720][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 50.427794][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 50.428845][ T5225] ext4_dirty_inode+0xd4/0x104 [ 50.429712][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 50.430665][ T5225] sync_lazytime+0x1a8/0x68c [ 50.431536][ T5225] iput+0x1cc/0xb90 [ 50.432267][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 50.433229][ T5225] __dentry_kill+0x170/0x5fc [ 50.434073][ T5225] shrink_kill+0xe8/0x318 [ 50.434862][ T5225] shrink_dentry_list+0x154/0x2a4 [ 50.435805][ T5225] shrink_dcache_tree+0x40c/0x570 [ 50.436763][ T5225] do_one_tree+0x24/0x58 [ 50.437626][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 50.438733][ T5225] generic_shutdown_super+0x70/0x2b8 [ 50.439758][ T5225] kill_block_super+0x44/0x90 [ 50.440683][ T5225] ext4_kill_sb+0x68/0xa4 [ 50.441540][ T5225] deactivate_locked_super+0xc4/0x140 [ 50.442562][ T5225] deactivate_super+0xd8/0xf8 [ 50.443465][ T5225] cleanup_mnt+0x328/0x3b8 [ 50.444280][ T5225] __cleanup_mnt+0x20/0x30 [ 50.445178][ T5225] task_work_run+0x1c4/0x254 [ 50.446060][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 50.447111][ T5225] el0_svc+0x18c/0x260 [ 50.447883][ T5225] el0t_64_sync_handler+0x48/0x148 [ 50.448814][ T5225] el0t_64_sync+0x198/0x19c [ 50.449670][ T5225] irq event stamp: 178644 [ 50.450484][ T5225] hardirqs last enabled at (178643): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 50.452468][ T5225] hardirqs last disabled at (178644): [] el1_brk64+0x20/0x54 [ 50.454145][ T5225] softirqs last enabled at (178636): [] kernel_neon_begin+0x294/0x3fc [ 50.456096][ T5225] softirqs last disabled at (178634): [] kernel_neon_begin+0x11c/0x3fc [ 50.457974][ T5225] ---[ end trace 0000000000000000 ]--- [ 50.464104][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.485997][ T5340] loop0: detected capacity change from 0 to 1024 [ 50.506289][ T5340] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50.510627][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.510746][ T5225] ------------[ cut here ]------------ [ 50.510752][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 50.518654][ T5225] Modules linked in: [ 50.519398][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.521420][ T5225] Tainted: [W]=WARN [ 50.522133][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.524034][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.525603][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.526805][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.528068][ T5225] sp : ffff800099487060 [ 50.528893][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.530527][ T5225] x26: ffff0000dcce6900 x25: ffff0000dcce6928 x24: ffff800088a09b80 [ 50.532136][ T5225] x23: ffff0000c51da000 x22: 000000000000feeb x21: ffff0000c51da068 [ 50.533745][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 50.535310][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 50.536848][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 50.538403][ T5225] x11: 0000000000000a73 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 50.539910][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 50.541469][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 50.543022][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 50.544544][ T5225] Call trace: [ 50.545177][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 50.546398][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 50.547413][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 50.548529][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 50.549617][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 50.550694][ T5225] ext4_dirty_inode+0xd4/0x104 [ 50.551664][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 50.552604][ T5225] sync_lazytime+0x1a8/0x68c [ 50.553449][ T5225] iput+0x1cc/0xb90 [ 50.554166][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 50.555117][ T5225] __dentry_kill+0x170/0x5fc [ 50.555994][ T5225] shrink_kill+0xe8/0x318 [ 50.556825][ T5225] shrink_dentry_list+0x154/0x2a4 [ 50.557816][ T5225] shrink_dcache_tree+0x40c/0x570 [ 50.558763][ T5225] do_one_tree+0x24/0x58 [ 50.559551][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 50.560572][ T5225] generic_shutdown_super+0x70/0x2b8 [ 50.561573][ T5225] kill_block_super+0x44/0x90 [ 50.562437][ T5225] ext4_kill_sb+0x68/0xa4 [ 50.563248][ T5225] deactivate_locked_super+0xc4/0x140 [ 50.564271][ T5225] deactivate_super+0xd8/0xf8 [ 50.565177][ T5225] cleanup_mnt+0x328/0x3b8 [ 50.566027][ T5225] __cleanup_mnt+0x20/0x30 [ 50.566884][ T5225] task_work_run+0x1c4/0x254 [ 50.567832][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 50.568894][ T5225] el0_svc+0x18c/0x260 [ 50.569630][ T5225] el0t_64_sync_handler+0x48/0x148 [ 50.570544][ T5225] el0t_64_sync+0x198/0x19c [ 50.571334][ T5225] irq event stamp: 183876 [ 50.572121][ T5225] hardirqs last enabled at (183875): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 50.573939][ T5225] hardirqs last disabled at (183876): [] el1_brk64+0x20/0x54 [ 50.575533][ T5225] softirqs last enabled at (183868): [] kernel_neon_begin+0x294/0x3fc [ 50.577237][ T5225] softirqs last disabled at (183866): [] kernel_neon_begin+0x11c/0x3fc 1970/01/01 00:00:50 executed programs: 9 [ 50.579021][ T5225] ---[ end trace 0000000000000000 ]--- [ 50.586392][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.607665][ T5344] loop0: detected capacity change from 0 to 1024 [ 50.634520][ T5344] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50.639191] ** replaying previous printk message ** [ 50.639191][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.639436][ T5225] ------------[ cut here ]------------ [ 50.639441][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 50.645292][ T5225] Modules linked in: [ 50.646046][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.648032][ T5225] Tainted: [W]=WARN [ 50.648809][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.650701][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.652072][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.653249][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.654417][ T5225] sp : ffff800099487060 [ 50.655173][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.656726][ T5225] x26: ffff0000ec3a94e8 x25: ffff0000ec3a9510 x24: ffff800088a09b80 [ 50.658100][ T5225] x23: ffff0000d1b30000 x22: 000000000000feeb x21: ffff0000d1b30068 [ 50.659752][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 50.661364][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 50.662901][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 50.664341][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 50.665925][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.667522][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 50.669108][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 50.670721][ T5225] Call trace: [ 50.671385][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 50.672696][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 50.673697][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 50.674837][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 50.675931][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 50.677017][ T5225] ext4_dirty_inode+0xd4/0x104 [ 50.677927][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 50.678974][ T5225] sync_lazytime+0x1a8/0x68c [ 50.679903][ T5225] iput+0x1cc/0xb90 [ 50.680656][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 50.681697][ T5225] __dentry_kill+0x170/0x5fc [ 50.682616][ T5225] shrink_kill+0xe8/0x318 [ 50.683440][ T5225] shrink_dentry_list+0x154/0x2a4 [ 50.684438][ T5225] shrink_dcache_tree+0x40c/0x570 [ 50.685396][ T5225] do_one_tree+0x24/0x58 [ 50.686204][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 50.687203][ T5225] generic_shutdown_super+0x70/0x2b8 [ 50.688233][ T5225] kill_block_super+0x44/0x90 [ 50.689096][ T5225] ext4_kill_sb+0x68/0xa4 [ 50.689963][ T5225] deactivate_locked_super+0xc4/0x140 [ 50.691023][ T5225] deactivate_super+0xd8/0xf8 [ 50.691956][ T5225] cleanup_mnt+0x328/0x3b8 [ 50.692835][ T5225] __cleanup_mnt+0x20/0x30 [ 50.693695][ T5225] task_work_run+0x1c4/0x254 [ 50.694583][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 50.695633][ T5225] el0_svc+0x18c/0x260 [ 50.696445][ T5225] el0t_64_sync_handler+0x48/0x148 [ 50.697434][ T5225] el0t_64_sync+0x198/0x19c [ 50.698294][ T5225] irq event stamp: 189490 [ 50.699166][ T5225] hardirqs last enabled at (189489): [] finish_task_switch+0x22c/0x768 [ 50.701074][ T5225] hardirqs last disabled at (189490): [] el1_brk64+0x20/0x54 [ 50.702812][ T5225] softirqs last enabled at (189480): [] kernel_neon_begin+0x294/0x3fc [ 50.704743][ T5225] softirqs last disabled at (189478): [] kernel_neon_begin+0x11c/0x3fc [ 50.706679][ T5225] ---[ end trace 0000000000000000 ]--- [ 50.712766][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.729929][ T5348] loop0: detected capacity change from 0 to 1024 [ 50.736324][ T5348] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50 ** replaying previous printk message ** [ 50.740760][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.740876][ T5225] ------------[ cut here ]------------ [ 50.740880][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 50.747232][ T5225] Modules linked in: [ 50.748019][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.750065][ T5225] Tainted: [W]=WARN [ 50.750845][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.752799][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.754351][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.755623][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.756895][ T5225] sp : ffff800099487060 [ 50.757696][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.759328][ T5225] x26: ffff0000d017e900 x25: ffff0000d017e928 x24: ffff800088a09b80 [ 50.760936][ T5225] x23: ffff0000d739c000 x22: 000000000000feeb x21: ffff0000d739c068 [ 50.762546][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 50.764127][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 50.765737][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 50.767361][ T5225] x11: 0000000000000b28 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 50.768930][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 50.770465][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 50.772036][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 50.773604][ T5225] Call trace: [ 50.774210][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 50.775485][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 50.776561][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 50.777731][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 50.778872][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 50.779984][ T5225] ext4_dirty_inode+0xd4/0x104 [ 50.780916][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 50.781910][ T5225] sync_lazytime+0x1a8/0x68c [ 50.782814][ T5225] iput+0x1cc/0xb90 [ 50.783560][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 50.784614][ T5225] __dentry_kill+0x170/0x5fc [ 50.785513][ T5225] shrink_kill+0xe8/0x318 [ 50.786359][ T5225] shrink_dentry_list+0x154/0x2a4 [ 50.787397][ T5225] shrink_dcache_tree+0x40c/0x570 [ 50.788373][ T5225] do_one_tree+0x24/0x58 [ 50.789229][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 50.790313][ T5225] generic_shutdown_super+0x70/0x2b8 [ 50.791408][ T5225] kill_block_super+0x44/0x90 [ 50.792365][ T5225] ext4_kill_sb+0x68/0xa4 [ 50.793209][ T5225] deactivate_locked_super+0xc4/0x140 [ 50.794247][ T5225] deactivate_super+0xd8/0xf8 [ 50.795185][ T5225] cleanup_mnt+0x328/0x3b8 [ 50.796085][ T5225] __cleanup_mnt+0x20/0x30 [ 50.796997][ T5225] task_work_run+0x1c4/0x254 [ 50.797909][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 50.798944][ T5225] el0_svc+0x18c/0x260 [ 50.799752][ T5225] el0t_64_sync_handler+0x48/0x148 [ 50.800714][ T5225] el0t_64_sync+0x198/0x19c [ 50.801582][ T5225] irq event stamp: 194838 [ 50.802457][ T5225] hardirqs last enabled at (194837): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 50.804521][ T5225] hardirqs last disabled at (194838): [] el1_brk64+0x20/0x54 [ 50.806344][ T5225] softirqs last enabled at (194830): [] kernel_neon_begin+0x294/0x3fc [ 50.808205][ T5225] softirqs last disabled at (194828): [] kernel_neon_begin+0x11c/0x3fc [ 50.810105][ T5225] ---[ end trace 0000000000000000 ]--- [ 50.818233][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.829835][ T5352] loop0: detected capacity change from 0 to 1024 [ 50.853816][ T5352] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50.858125][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.858244][ T5225] ------------[ cut here ]------------ [ 50.858250][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 50.863473][ T5225] Modules linked in: [ 50.864264][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.866336][ T5225] Tainted: [W]=WARN [ 50.867064][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.868979][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.870362][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.871597][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.872867][ T5225] sp : ffff800099487060 [ 50.873686][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.875281][ T5225] x26: ffff0000d017c3a0 x25: ffff0000d017c3c8 x24: ffff800088a09b80 [ 50.876863][ T5225] x23: ffff0000d8106000 x22: 000000000000feeb x21: ffff0000d8106068 [ 50.878520][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 50.880061][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 50.881631][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 50.883094][ T5225] x11: 0000000000000b83 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 50.884592][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 50.886088][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 50.887565][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 50.889051][ T5225] Call trace: [ 50.889659][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 50.890868][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 50.891845][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 50.892925][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 50.893993][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 50.894975][ T5225] ext4_dirty_inode+0xd4/0x104 [ 50.895855][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 50.896785][ T5225] sync_lazytime+0x1a8/0x68c [ 50.897591][ T5225] iput+0x1cc/0xb90 [ 50.898278][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 50.899223][ T5225] __dentry_kill+0x170/0x5fc [ 50.900087][ T5225] shrink_kill+0xe8/0x318 [ 50.900937][ T5225] shrink_dentry_list+0x154/0x2a4 [ 50.901875][ T5225] shrink_dcache_tree+0x40c/0x570 [ 50.902822][ T5225] do_one_tree+0x24/0x58 [ 50.903635][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 50.904701][ T5225] generic_shutdown_super+0x70/0x2b8 [ 50.905777][ T5225] kill_block_super+0x44/0x90 [ 50.906755][ T5225] ext4_kill_sb+0x68/0xa4 [ 50.907558][ T5225] deactivate_locked_super+0xc4/0x140 [ 50.908518][ T5225] deactivate_super+0xd8/0xf8 [ 50.909392][ T5225] cleanup_mnt+0x328/0x3b8 [ 50.910202][ T5225] __cleanup_mnt+0x20/0x30 [ 50.911035][ T5225] task_work_run+0x1c4/0x254 [ 50.911871][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 50.912834][ T5225] el0_svc+0x18c/0x260 [ 50.913677][ T5225] el0t_64_sync_handler+0x48/0x148 [ 50.914702][ T5225] el0t_64_sync+0x198/0x19c [ 50.915546][ T5225] irq event stamp: 201134 [ 50.916344][ T5225] hardirqs last enabled at (201133): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 50.918397][ T5225] hardirqs last disabled at (201134): [] el1_brk64+0x20/0x54 [ 50.920048][ T5225] softirqs last enabled at (201126): [] kernel_neon_begin+0x294/0x3fc [ 50.921830][ T5225] softirqs last disabled at (201124): [] kernel_neon_begin+0x11c/0x3fc [ 50.923709][ T5225] ---[ end trace 0000000000000000 ]--- [ 50.930679][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.974077][ T5356] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50.978465][ T52 ** replaying previous printk message ** [ 50.978465][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 50.978792][ T5225] ------------[ cut here ]------------ [ 50.978797][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 50.984958][ T5225] Modules linked in: [ 50.985765][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 50.987799][ T5225] Tainted: [W]=WARN [ 50.988516][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.990495][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.992012][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 50.993290][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 50.994513][ T5225] sp : ffff800099487060 [ 50.995289][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 50.996915][ T5225] x26: ffff0000ec3b0b90 x25: ffff0000ec3b0bb8 x24: ffff800088a09b80 [ 50.998488][ T5225] x23: ffff0000d834c000 x22: 000000000000feeb x21: ffff0000d834c068 [ 51.000056][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 51.001671][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 51.003262][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 51.004881][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.006420][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.007972][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 51.009447][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.010897][ T5225] Call trace: [ 51.011487][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.012686][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.013616][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.014626][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.015759][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.016839][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.017736][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.018761][ T5225] sync_lazytime+0x1a8/0x68c [ 51.019670][ T5225] iput+0x1cc/0xb90 [ 51.020430][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.021417][ T5225] __dentry_kill+0x170/0x5fc [ 51.022233][ T5225] shrink_kill+0xe8/0x318 [ 51.023049][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.024007][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.024977][ T5225] do_one_tree+0x24/0x58 [ 51.025802][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.026833][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.027749][ T5225] kill_block_super+0x44/0x90 [ 51.028635][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.029496][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.030585][ T5225] deactivate_super+0xd8/0xf8 [ 51.031533][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.032428][ T5225] __cleanup_mnt+0x20/0x30 [ 51.033328][ T5225] task_work_run+0x1c4/0x254 [ 51.034264][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.035353][ T5225] el0_svc+0x18c/0x260 [ 51.036233][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.037230][ T5225] el0t_64_sync+0x198/0x19c [ 51.038114][ T5225] irq event stamp: 206888 [ 51.038975][ T5225] hardirqs last enabled at (206887): [] finish_task_switch+0x22c/0x768 [ 51.040936][ T5225] hardirqs last disabled at (206888): [] el1_brk64+0x20/0x54 [ 51.042653][ T5225] softirqs last enabled at (206878): [] kernel_neon_begin+0x294/0x3fc [ 51.044591][ T5225] softirqs last disabled at (206876): [] kernel_neon_begin+0x11c/0x3fc [ 51.046464][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.051240][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.085722][ T5360] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.089797][ T5225] ** replaying previous printk message ** [ 51.089797][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.090131][ T5225] ------------[ cut here ]------------ [ 51.090136][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 51.095988][ T5225] Modules linked in: [ 51.096784][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.098872][ T5225] Tainted: [W]=WARN [ 51.099601][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.101646][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.103211][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 51.104484][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 51.105789][ T5225] sp : ffff800099487060 [ 51.106573][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 51.108142][ T5225] x26: ffff0000ec3adfa8 x25: ffff0000ec3adfd0 x24: ffff800088a09b80 [ 51.109587][ T5225] x23: ffff0000dd8f4000 x22: 000000000000feeb x21: ffff0000dd8f4068 [ 51.111085][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 51.112578][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 51.114123][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 51.115601][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.117038][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.118634][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 51.120187][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.121695][ T5225] Call trace: [ 51.122277][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.123439][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.124328][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.125406][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.126467][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.127504][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.128425][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.129419][ T5225] sync_lazytime+0x1a8/0x68c [ 51.130366][ T5225] iput+0x1cc/0xb90 [ 51.131142][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.132172][ T5225] __dentry_kill+0x170/0x5fc [ 51.133043][ T5225] shrink_kill+0xe8/0x318 [ 51.133896][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.134862][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.135862][ T5225] do_one_tree+0x24/0x58 [ 51.136640][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.137595][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.138610][ T5225] kill_block_super+0x44/0x90 [ 51.139487][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.140259][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.141243][ T5225] deactivate_super+0xd8/0xf8 [ 51.142076][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.142863][ T5225] __cleanup_mnt+0x20/0x30 [ 51.143685][ T5225] task_work_run+0x1c4/0x254 [ 51.144523][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.145575][ T5225] el0_svc+0x18c/0x260 [ 51.146309][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.147321][ T5225] el0t_64_sync+0x198/0x19c [ 51.148210][ T5225] irq event stamp: 212146 [ 51.149072][ T5225] hardirqs last enabled at (212145): [] finish_task_switch+0x22c/0x768 [ 51.150963][ T5225] hardirqs last disabled at (212146): [] el1_brk64+0x20/0x54 [ 51.152738][ T5225] softirqs last enabled at (212136): [] kernel_neon_begin+0x294/0x3fc [ 51.154665][ T5225] softirqs last disabled at (212134): [] kernel_neon_begin+0x11c/0x3fc [ 51.156627][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.161579][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.212801][ T5364] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.216887][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.217003][ T5225] ------------[ cut here ]------------ [ 51.217010][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 51.222202][ T5225] Modules linked in: [ 51.222992][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.225112][ T5225] Tainted: [W]=WARN [ 51.225886][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.227847][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.229397][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 51.230631][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 51.231932][ T5225] sp : ffff800099487060 [ 51.232756][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 51.234322][ T5225] x26: ffff0000ec3aba48 x25: ffff0000ec3aba70 x24: ffff800088a09b80 [ 51.235979][ T5225] x23: ffff0000c7a10000 x22: 000000000000feeb x21: ffff0000c7a10068 [ 51.237544][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 51.239139][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.240642][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.242263][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.243826][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 51.245387][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 51.247008][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.248583][ T5225] Call trace: [ 51.249224][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.250474][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.251516][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.252687][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.253771][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.254868][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.255802][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.256791][ T5225] sync_lazytime+0x1a8/0x68c [ 51.257681][ T5225] iput+0x1cc/0xb90 [ 51.258420][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.259384][ T5225] __dentry_kill+0x170/0x5fc [ 51.260292][ T5225] shrink_kill+0xe8/0x318 [ 51.261149][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.262124][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.263145][ T5225] do_one_tree+0x24/0x58 [ 51.263942][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.264989][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.266015][ T5225] kill_block_super+0x44/0x90 [ 51.266928][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.267816][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.268932][ T5225] deactivate_super+0xd8/0xf8 [ 51.269892][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.270761][ T5225] __cleanup_mnt+0x20/0x30 [ 51.271625][ T5225] task_work_run+0x1c4/0x254 [ 51.272527][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.273520][ T5225] el0_svc+0x18c/0x260 [ 51.274292][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.275299][ T5225] el0t_64_sync+0x198/0x19c [ 51.276189][ T5225] irq event stamp: 218048 [ 51.277037][ T5225] hardirqs last enabled at (218047): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 51.279020][ T5225] hardirqs last disabled at (218048): [] el1_brk64+0x20/0x54 [ 51.280742][ T5225] softirqs last enabled at (218040): [] kernel_neon_begin+0x294/0x3fc [ 51.282538][ T5225] softirqs last disabled at (218038): [] kernel_neon_begin+0x11c/0x3fc [ 51.284330][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.294903][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.315408][ T5368] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.329605][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.329722][ T5225] ------------[ cut here ]------------ [ 51.329729][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 51.335103][ T5225] Modules linked in: [ 51.335851][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.337800][ T5225] Tainted: [W]=WARN [ 51.338536][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.340477][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.341990][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 51.343203][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 51.344399][ T5225] sp : ffff800099487060 [ 51.345205][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 51.346776][ T5225] x26: ffff0000ec3b8238 x25: ffff0000ec3b8260 x24: ffff800088a09b80 [ 51.348302][ T5225] x23: ffff0000d727a000 x22: 000000000000feeb x21: ffff0000d727a068 [ 51.349934][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 51.351561][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.353159][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.354799][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.356417][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 51.358071][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 51.359705][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.361350][ T5225] Call trace: [ 51.361972][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.363259][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.364302][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.365473][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.366663][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.367751][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.368673][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.369687][ T5225] sync_lazytime+0x1a8/0x68c [ 51.370614][ T5225] iput+0x1cc/0xb90 [ 51.371378][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.372376][ T5225] __dentry_kill+0x170/0x5fc [ 51.373258][ T5225] shrink_kill+0xe8/0x318 [ 51.374107][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.375115][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.376096][ T5225] do_one_tree+0x24/0x58 [ 51.376910][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.378012][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.379064][ T5225] kill_block_super+0x44/0x90 [ 51.380014][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.380923][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.381965][ T5225] deactivate_super+0xd8/0xf8 [ 51.382893][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.383789][ T5225] __cleanup_mnt+0x20/0x30 [ 51.384668][ T5225] task_work_run+0x1c4/0x254 [ 51.385607][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.386701][ T5225] el0_svc+0x18c/0x260 [ 51.387472][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.388403][ T5225] el0t_64_sync+0x198/0x19c [ 51.389230][ T5225] irq event stamp: 224642 [ 51.390034][ T5225] hardirqs last enabled at (224641): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 51.392039][ T5225] hardirqs last disabled at (224642): [] el1_brk64+0x20/0x54 [ 51.393793][ T5225] softirqs last enabled at (224634): [] kernel_neon_begin+0x294/0x3fc [ 51.395706][ T5225] softirqs last disabled at (224632): [] kernel_neon_begin+0x11c/0x3fc [ 51.397641][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.403441][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.433831][ T5372] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 51.438287][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.438405][ T5225] ------------[ cut here ]------------ [ 51.438409][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 51.444424][ T5225] Modules linked in: [ 51.445198][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.447270][ T5225] Tainted: [W]=WARN [ 51.448024][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.450035][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.451598][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 51.452904][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 51.454245][ T5225] sp : ffff800099487060 [ 51.455089][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 51.456722][ T5225] x26: ffff0000ec3b5650 x25: ffff0000ec3b5678 x24: ffff800088a09b80 [ 51.458269][ T5225] x23: ffff0000d8f8a000 x22: 000000000000feeb x21: ffff0000d8f8a068 [ 51.459733][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 51.461288][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.462874][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.464471][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.466076][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 51.467606][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 51.469157][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.470772][ T5225] Call trace: [ 51.471423][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.472728][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.473797][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.474973][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.476106][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.477192][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.478161][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.479170][ T5225] sync_lazytime+0x1a8/0x68c [ 51.480110][ T5225] iput+0x1cc/0xb90 [ 51.480895][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.481947][ T5225] __dentry_kill+0x170/0x5fc [ 51.482885][ T5225] shrink_kill+0xe8/0x318 [ 51.483720][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.484737][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.485728][ T5225] do_one_tree+0x24/0x58 [ 51.486591][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.487709][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.488712][ T5225] kill_block_super+0x44/0x90 [ 51.489588][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.490424][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.491482][ T5225] deactivate_super+0xd8/0xf8 [ 51.492380][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.493253][ T5225] __cleanup_mnt+0x20/0x30 [ 51.494100][ T5225] task_work_run+0x1c4/0x254 [ 51.494961][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.495968][ T5225] el0_svc+0x18c/0x260 [ 51.496722][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.497713][ T5225] el0t_64_sync+0x198/0x19c [ 51.498583][ T5225] irq event stamp: 229956 [ 51.499414][ T5225] hardirqs last enabled at (229955): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 51.501424][ T5225] hardirqs last disabled at (229956): [] el1_brk64+0x20/0x54 [ 51.503086][ T5225] softirqs last enabled at (229948): [] kernel_neon_begin+0x294/0x3fc [ 51.504919][ T5225] softirqs last disabled at (229946): [] kernel_neon_begin+0x11c/0x3fc [ 51.506678][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.511871][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.543775][ T5376] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51 ** replaying previous printk message ** [ 51.548321][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.548447][ T5225] ------------[ cut here ]------------ [ 51.548452][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 51.554482][ T5225] Modules linked in: [ 51.555205][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.557148][ T5225] Tainted: [W]=WARN [ 51.557786][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.559625][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.561111][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 51.562309][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 51.563578][ T5225] sp : ffff800099487060 [ 51.564401][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 51.565997][ T5225] x26: ffff0000ec3b30f0 x25: ffff0000ec3b3118 x24: ffff800088a09b80 [ 51.567548][ T5225] x23: ffff0000d8678000 x22: 000000000000feeb x21: ffff0000d8678068 [ 51.569130][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 00000000ffffffff [ 51.570665][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.572167][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.573755][ T5225] x11: 0000000000000d50 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.575356][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 51.577049][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 51.578601][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.580101][ T5225] Call trace: [ 51.580753][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.581960][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.583003][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.584148][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.585204][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.586262][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.587125][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.588125][ T5225] sync_lazytime+0x1a8/0x68c [ 51.589038][ T5225] iput+0x1cc/0xb90 [ 51.589735][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.590708][ T5225] __dentry_kill+0x170/0x5fc [ 51.591574][ T5225] shrink_kill+0xe8/0x318 [ 51.592471][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.593467][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.594459][ T5225] do_one_tree+0x24/0x58 [ 51.595301][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.596386][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.597418][ T5225] kill_block_super+0x44/0x90 [ 51.598343][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.599193][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.600250][ T5225] deactivate_super+0xd8/0xf8 [ 51.601191][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.602058][ T5225] __cleanup_mnt+0x20/0x30 [ 51.602896][ T5225] task_work_run+0x1c4/0x254 [ 51.603789][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.604887][ T5225] el0_svc+0x18c/0x260 [ 51.605707][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.606709][ T5225] el0t_64_sync+0x198/0x19c [ 51.607630][ T5225] irq event stamp: 235420 [ 51.608503][ T5225] hardirqs last enabled at (235419): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 51.610536][ T5225] hardirqs last disabled at (235420): [] el1_brk64+0x20/0x54 [ 51.612358][ T5225] softirqs last enabled at (235412): [] kernel_neon_begin+0x294/0x3fc [ 51.614324][ T5225] softirqs last disabled at (235410): [] kernel_neon_begin+0x11c/0x3fc [ 51.616199][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.623355][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.653297][ T5381] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.666809][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.669178][ T5225] ------------[ cut here ]------------ [ 51.669186][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 51.672184][ T5225] Modules linked in: [ 51.672962][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.675072][ T5225] Tainted: [W]=WARN [ 51.675792][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.677732][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.679274][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 51.680633][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 51.681945][ T5225] sp : ffff800099487060 [ 51.682757][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 51.684305][ T5225] x26: ffff0000dcda4cf8 x25: ffff0000dcda4d20 x24: ffff800088a09b80 [ 51.685880][ T5225] x23: ffff0000dc24e000 x22: 000000000000feeb x21: ffff0000dc24e068 [ 51.687482][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 51.689058][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 51.690637][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 51.692192][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.693705][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.695290][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 51.696881][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.698482][ T5225] Call trace: [ 51.699098][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.700348][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.701332][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.702435][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.703499][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.704572][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.705488][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.706510][ T5225] sync_lazytime+0x1a8/0x68c [ 51.707424][ T5225] iput+0x1cc/0xb90 [ 51.708172][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.709168][ T5225] __dentry_kill+0x170/0x5fc [ 51.710097][ T5225] shrink_kill+0xe8/0x318 [ 51.710947][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.711935][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.712928][ T5225] do_one_tree+0x24/0x58 [ 51.713781][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.714869][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.715946][ T5225] kill_block_super+0x44/0x90 [ 51.716879][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.717740][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.718783][ T5225] deactivate_super+0xd8/0xf8 [ 51.719703][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.720583][ T5225] __cleanup_mnt+0x20/0x30 [ 51.721443][ T5225] task_work_run+0x1c4/0x254 [ 51.722329][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.723397][ T5225] el0_svc+0x18c/0x260 [ 51.724171][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.725141][ T5225] el0t_64_sync+0x198/0x19c [ 51.726031][ T5225] irq event stamp: 241066 [ 51.726864][ T5225] hardirqs last enabled at (241065): [] finish_task_switch+0x22c/0x768 [ 51.728724][ T5225] hardirqs last disabled at (241066): [] el1_brk64+0x20/0x54 [ 51.730381][ T5225] softirqs last enabled at (241056): [] kernel_neon_begin+0x294/0x3fc [ 51.732304][ T5225] softirqs last disabled at (241054): [] kernel_neon_begin+0x11c/0x3fc [ 51.734232][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.740107][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.764231][ T5385] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.772927][ T50] Bluetooth: hci0: command tx timeout [ 51.779054][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.781376][ T5225] ------------[ cut here ]------------ [ 51.781383][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 51.784557][ T5225] Modules linked in: [ 51.785318][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.787366][ T5225] Tainted: [W]=WARN [ 51.788125][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.790033][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.791510][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 51.792801][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 51.794032][ T5225] sp : ffff800099487060 [ 51.794824][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 51.796372][ T5225] x26: ffff0000ec3be900 x25: ffff0000ec3be928 x24: ffff800088a09b80 [ 51.797916][ T5225] x23: ffff0000d99e2000 x22: 000000000000feeb x21: ffff0000d99e2068 [ 51.799422][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 51.800934][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 51.802500][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 51.804131][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.805782][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.807399][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 51.808925][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.810501][ T5225] Call trace: [ 51.811139][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.812302][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.813262][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.814378][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.815475][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.816524][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.817446][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.818412][ T5225] sync_lazytime+0x1a8/0x68c [ 51.819303][ T5225] iput+0x1cc/0xb90 [ 51.820016][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.820946][ T5225] __dentry_kill+0x170/0x5fc [ 51.821786][ T5225] shrink_kill+0xe8/0x318 [ 51.822560][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.823476][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.824346][ T5225] do_one_tree+0x24/0x58 [ 51.825091][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.826057][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.827015][ T5225] kill_block_super+0x44/0x90 [ 51.827869][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.828646][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.829588][ T5225] deactivate_super+0xd8/0xf8 [ 51.830374][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.831201][ T5225] __cleanup_mnt+0x20/0x30 [ 51.832038][ T5225] task_work_run+0x1c4/0x254 [ 51.832899][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.833944][ T5225] el0_svc+0x18c/0x260 [ 51.834730][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.835726][ T5225] el0t_64_sync+0x198/0x19c [ 51.836594][ T5225] irq event stamp: 247282 [ 51.837441][ T5225] hardirqs last enabled at (247281): [] finish_task_switch+0x22c/0x768 [ 51.839364][ T5225] hardirqs last disabled at (247282): [] el1_brk64+0x20/0x54 [ 51.841172][ T5225] softirqs last enabled at (247272): [] kernel_neon_begin+0x294/0x3fc [ 51.842855][ T5225] softirqs last disabled at (247270): [] kernel_neon_begin+0x11c/0x3fc [ 51.844760][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.850183][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.879791][ T5389] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 51.890741][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 51.890845][ T5225] ------------[ cut here ]------------ [ 51.890851][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 51.896278][ T5225] Modules linked in: [ 51.897096][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 51.899239][ T5225] Tainted: [W]=WARN [ 51.900009][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.902025][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.903655][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 51.904939][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 51.906275][ T5225] sp : ffff800099487060 [ 51.907121][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 51.908696][ T5225] x26: ffff0000ec3bc3a0 x25: ffff0000ec3bc3c8 x24: ffff800088a09b80 [ 51.910247][ T5225] x23: ffff0000de274000 x22: 000000000000feeb x21: ffff0000de274068 [ 51.911865][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 51.913504][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 51.915139][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 51.916695][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 51.918346][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 51.919862][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 51.921434][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 51.922984][ T5225] Call trace: [ 51.923597][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 51.924866][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 51.925906][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 51.927025][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 51.928133][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 51.929252][ T5225] ext4_dirty_inode+0xd4/0x104 [ 51.930223][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 51.931228][ T5225] sync_lazytime+0x1a8/0x68c [ 51.932119][ T5225] iput+0x1cc/0xb90 [ 51.932848][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 51.933817][ T5225] __dentry_kill+0x170/0x5fc [ 51.934701][ T5225] shrink_kill+0xe8/0x318 [ 51.935551][ T5225] shrink_dentry_list+0x154/0x2a4 [ 51.936518][ T5225] shrink_dcache_tree+0x40c/0x570 [ 51.937476][ T5225] do_one_tree+0x24/0x58 [ 51.938228][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 51.939170][ T5225] generic_shutdown_super+0x70/0x2b8 [ 51.940133][ T5225] kill_block_super+0x44/0x90 [ 51.940951][ T5225] ext4_kill_sb+0x68/0xa4 [ 51.941723][ T5225] deactivate_locked_super+0xc4/0x140 [ 51.942672][ T5225] deactivate_super+0xd8/0xf8 [ 51.943524][ T5225] cleanup_mnt+0x328/0x3b8 [ 51.944385][ T5225] __cleanup_mnt+0x20/0x30 [ 51.945254][ T5225] task_work_run+0x1c4/0x254 [ 51.946184][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 51.947275][ T5225] el0_svc+0x18c/0x260 [ 51.948114][ T5225] el0t_64_sync_handler+0x48/0x148 [ 51.949150][ T5225] el0t_64_sync+0x198/0x19c [ 51.950015][ T5225] irq event stamp: 252644 [ 51.950842][ T5225] hardirqs last enabled at (252643): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 51.952856][ T5225] hardirqs last disabled at (252644): [] el1_brk64+0x20/0x54 [ 51.954640][ T5225] softirqs last enabled at (252636): [] kernel_neon_begin+0x294/0x3fc [ 51.956613][ T5225] softirqs last disabled at (252634): [] kernel_neon_begin+0x11c/0x3fc [ 51.958634][ T5225] ---[ end trace 0000000000000000 ]--- [ 51.963230][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 51.995435][ T5393] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.005840][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.008482][ T5225] ------------[ cut here ]------------ [ 52.008491][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 52.011491][ T5225] Modules linked in: [ 52.012190][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.014211][ T5225] Tainted: [W]=WARN [ 52.014942][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.016899][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.018404][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.019580][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.020714][ T5225] sp : ffff800099487060 [ 52.021449][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.022942][ T5225] x26: ffff0000ec3b9e40 x25: ffff0000ec3b9e68 x24: ffff800088a09b80 [ 52.024424][ T5225] x23: ffff0000dc942000 x22: 000000000000feeb x21: ffff0000dc942068 [ 52.025931][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 52.027511][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 52.028955][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 52.030499][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.032061][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.033707][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 52.035230][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.036704][ T5225] Call trace: [ 52.037290][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.038636][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.039684][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.040776][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.041909][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.043022][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.043953][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.044943][ T5225] sync_lazytime+0x1a8/0x68c [ 52.045832][ T5225] iput+0x1cc/0xb90 [ 52.046598][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.047619][ T5225] __dentry_kill+0x170/0x5fc [ 52.048479][ T5225] shrink_kill+0xe8/0x318 [ 52.049318][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.050277][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.051268][ T5225] do_one_tree+0x24/0x58 [ 52.052075][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.053111][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.054133][ T5225] kill_block_super+0x44/0x90 [ 52.055061][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.055902][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.057008][ T5225] deactivate_super+0xd8/0xf8 [ 52.057953][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.058850][ T5225] __cleanup_mnt+0x20/0x30 [ 52.059752][ T5225] task_work_run+0x1c4/0x254 [ 52.060676][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.061747][ T5225] el0_svc+0x18c/0x260 [ 52.062542][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.063604][ T5225] el0t_64_sync+0x198/0x19c [ 52.064434][ T5225] irq event stamp: 258048 [ 52.065186][ T5225] hardirqs last enabled at (258047): [] finish_task_switch+0x22c/0x768 [ 52.066902][ T5225] hardirqs last disabled at (258048): [] el1_brk64+0x20/0x54 [ 52.068605][ T5225] softirqs last enabled at (258038): [] kernel_neon_begin+0x294/0x3fc [ 52.070442][ T5225] softirqs last disabled at (258036): [] kernel_neon_begin+0x11c/0x3fc [ 52.072211][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.077417][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.107478][ T5397] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 52.116160][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.116274][ T5225] ------------[ cut here ]------------ [ 52.116279][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 52.122202][ T5225] Modules linked in: [ 52.122974][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.124966][ T5225] Tainted: [W]=WARN [ 52.125729][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.127684][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.129245][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.130528][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.131768][ T5225] sp : ffff800099487060 [ 52.132551][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.134031][ T5225] x26: ffff0000ec286900 x25: ffff0000ec286928 x24: ffff800088a09b80 [ 52.135556][ T5225] x23: ffff0000c1bf0000 x22: 000000000000feeb x21: ffff0000c1bf0068 [ 52.137035][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 52.138423][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.139871][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.141341][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.142791][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 52.144353][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 52.145903][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.147395][ T5225] Call trace: [ 52.148031][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.149351][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.150433][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.151551][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.152545][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.153555][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.154348][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.155255][ T5225] sync_lazytime+0x1a8/0x68c [ 52.156157][ T5225] iput+0x1cc/0xb90 [ 52.156930][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.158007][ T5225] __dentry_kill+0x170/0x5fc [ 52.158909][ T5225] shrink_kill+0xe8/0x318 [ 52.159802][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.160835][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.161887][ T5225] do_one_tree+0x24/0x58 [ 52.162732][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.163840][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.164853][ T5225] kill_block_super+0x44/0x90 [ 52.165766][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.166622][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.167681][ T5225] deactivate_super+0xd8/0xf8 [ 52.168630][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.169493][ T5225] __cleanup_mnt+0x20/0x30 [ 52.170333][ T5225] task_work_run+0x1c4/0x254 [ 52.171218][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.172282][ T5225] el0_svc+0x18c/0x260 [ 52.173095][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.174172][ T5225] el0t_64_sync+0x198/0x19c [ 52.175102][ T5225] irq event stamp: 264374 [ 52.175986][ T5225] hardirqs last enabled at (264373): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 52.178169][ T5225] hardirqs last disabled at (264374): [] el1_brk64+0x20/0x54 [ 52.179922][ T5225] softirqs last enabled at (264366): [] kernel_neon_begin+0x294/0x3fc [ 52.181830][ T5225] softirqs last disabled at (264364): [] kernel_neon_begin+0x11c/0x3fc [ 52.183821][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.189983][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.232909][ T5401] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 52.238229][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.238340][ T5225] ------------[ cut here ]------------ [ 52.238344][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 52.244583][ T5225] Modules linked in: [ 52.245372][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.247442][ T5225] Tainted: [W]=WARN [ 52.248152][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.250210][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.251640][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.252887][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.254171][ T5225] sp : ffff800099487060 [ 52.254999][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.256493][ T5225] x26: ffff0000ec2843a0 x25: ffff0000ec2843c8 x24: ffff800088a09b80 [ 52.258005][ T5225] x23: ffff0000cbbd4000 x22: 000000000000feeb x21: ffff0000cbbd4068 [ 52.259562][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 52.260919][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.262403][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.264064][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.265691][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 52.267349][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 52.268889][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.270496][ T5225] Call trace: [ 52.271069][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.272291][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.273316][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.274522][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.275617][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.276659][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.277624][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.278675][ T5225] sync_lazytime+0x1a8/0x68c [ 52.279601][ T5225] iput+0x1cc/0xb90 [ 52.280398][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.281407][ T5225] __dentry_kill+0x170/0x5fc [ 52.282289][ T5225] shrink_kill+0xe8/0x318 [ 52.283130][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.284146][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.285123][ T5225] do_one_tree+0x24/0x58 [ 52.285920][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.286916][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.287914][ T5225] kill_block_super+0x44/0x90 [ 52.288777][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.289583][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.290579][ T5225] deactivate_super+0xd8/0xf8 [ 52.291466][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.292350][ T5225] __cleanup_mnt+0x20/0x30 [ 52.293184][ T5225] task_work_run+0x1c4/0x254 [ 52.294043][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.295150][ T5225] el0_svc+0x18c/0x260 [ 52.295983][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.296951][ T5225] el0t_64_sync+0x198/0x19c [ 52.297827][ T5225] irq event stamp: 269874 [ 52.298684][ T5225] hardirqs last enabled at (269873): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 52.300727][ T5225] hardirqs last disabled at (269874): [] el1_brk64+0x20/0x54 [ 52.302450][ T5225] softirqs last enabled at (269866): [] kernel_neon_begin+0x294/0x3fc [ 52.304378][ T5225] softirqs last disabled at (269864): [] kernel_neon_begin+0x11c/0x3fc [ 52.306319][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.312981][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.343679][ T5405] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.349966][ T5 ** replaying previous printk message ** [ 52.349966][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.350287][ T5225] ------------[ cut here ]------------ [ 52.350293][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 52.356621][ T5225] Modules linked in: [ 52.357398][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.359512][ T5225] Tainted: [W]=WARN [ 52.360266][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.362303][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.363868][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.365129][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.366377][ T5225] sp : ffff800099487060 [ 52.367159][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.368714][ T5225] x26: ffff0000ec281e40 x25: ffff0000ec281e68 x24: ffff800088a09b80 [ 52.370280][ T5225] x23: ffff0000cab8c000 x22: 000000000000feeb x21: ffff0000cab8c068 [ 52.371913][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 52.373465][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 52.375050][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 52.376660][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.378239][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.379788][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 52.381353][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.382948][ T5225] Call trace: [ 52.383572][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.384823][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.385858][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.387071][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.388185][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.389274][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.390205][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.391213][ T5225] sync_lazytime+0x1a8/0x68c [ 52.392139][ T5225] iput+0x1cc/0xb90 [ 52.392901][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.393871][ T5225] __dentry_kill+0x170/0x5fc [ 52.394781][ T5225] shrink_kill+0xe8/0x318 [ 52.395673][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.396677][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.397695][ T5225] do_one_tree+0x24/0x58 [ 52.398528][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.399598][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.400634][ T5225] kill_block_super+0x44/0x90 [ 52.401571][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.402426][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.403529][ T5225] deactivate_super+0xd8/0xf8 [ 52.404501][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.405412][ T5225] __cleanup_mnt+0x20/0x30 [ 52.406290][ T5225] task_work_run+0x1c4/0x254 [ 52.407271][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.408386][ T5225] el0_svc+0x18c/0x260 [ 52.409145][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.410150][ T5225] el0t_64_sync+0x198/0x19c [ 52.410981][ T5225] irq event stamp: 275056 [ 52.411788][ T5225] hardirqs last enabled at (275055): [] finish_task_switch+0x22c/0x768 [ 52.413709][ T5225] hardirqs last disabled at (275056): [] el1_brk64+0x20/0x54 [ 52.415464][ T5225] softirqs last enabled at (275046): [] kernel_neon_begin+0x294/0x3fc [ 52.417201][ T5225] softirqs last disabled at (275044): [] kernel_neon_begin+0x11c/0x3fc [ 52.419150][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.425388][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.464133][ T5409] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 52.468626][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.468739][ T5225] ------------[ cut here ]------------ [ 52.468744][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 52.474461][ T5225] Modules linked in: [ 52.475220][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.477190][ T5225] Tainted: [W]=WARN [ 52.477877][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.479715][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.481242][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.482534][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.483778][ T5225] sp : ffff800099487060 [ 52.484564][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.486131][ T5225] x26: ffff0000ec0b5650 x25: ffff0000ec0b5678 x24: ffff800088a09b80 [ 52.487699][ T5225] x23: ffff0000d1882000 x22: 000000000000feeb x21: ffff0000d1882068 [ 52.489246][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 52.490824][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.492394][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.494009][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.495513][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 52.497058][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 52.498627][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.500134][ T5225] Call trace: [ 52.500744][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.501985][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.503036][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.504177][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.505292][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.506313][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.507215][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.508250][ T5225] sync_lazytime+0x1a8/0x68c [ 52.509100][ T5225] iput+0x1cc/0xb90 [ 52.509828][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.510812][ T5225] __dentry_kill+0x170/0x5fc [ 52.511690][ T5225] shrink_kill+0xe8/0x318 [ 52.512517][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.513560][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.514627][ T5225] do_one_tree+0x24/0x58 [ 52.515439][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.516476][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.517410][ T5225] kill_block_super+0x44/0x90 [ 52.518266][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.519079][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.520075][ T5225] deactivate_super+0xd8/0xf8 [ 52.520941][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.521783][ T5225] __cleanup_mnt+0x20/0x30 [ 52.522593][ T5225] task_work_run+0x1c4/0x254 [ 52.523409][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.524349][ T5225] el0_svc+0x18c/0x260 [ 52.525084][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.526014][ T5225] el0t_64_sync+0x198/0x19c [ 52.526869][ T5225] irq event stamp: 282074 [ 52.527667][ T5225] hardirqs last enabled at (282073): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 52.529687][ T5225] hardirqs last disabled at (282074): [] el1_brk64+0x20/0x54 [ 52.531434][ T5225] softirqs last enabled at (282066): [] kernel_neon_begin+0x294/0x3fc [ 52.533166][ T5225] softirqs last disabled at (282064): [] kernel_neon_begin+0x11c/0x3fc [ 52.535034][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.540727][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.574309][ T5413] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 52.580793][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.580909][ T5225] ------------[ cut here ]------------ [ 52.580913][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 52.586732][ T5225] Modules linked in: [ 52.587500][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.589342][ T5225] Tainted: [W]=WARN [ 52.590065][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.592059][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.593621][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.594928][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.596192][ T5225] sp : ffff800099487060 [ 52.596988][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.598595][ T5225] x26: ffff0000ec0b30f0 x25: ffff0000ec0b3118 x24: ffff800088a09b80 [ 52.600192][ T5225] x23: ffff0000db0de000 x22: 000000000000feeb x21: ffff0000db0de068 [ 52.601823][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 52.603437][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.605027][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.606532][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.608137][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 52.609734][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 52.611259][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.612818][ T5225] Call trace: [ 52.613439][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.614739][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.615822][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.616962][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.618084][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.619179][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.620139][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.621155][ T5225] sync_lazytime+0x1a8/0x68c [ 52.622050][ T5225] iput+0x1cc/0xb90 [ 52.622820][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.623835][ T5225] __dentry_kill+0x170/0x5fc [ 52.624745][ T5225] shrink_kill+0xe8/0x318 [ 52.625559][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.626502][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.627457][ T5225] do_one_tree+0x24/0x58 [ 52.628289][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.629376][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.630433][ T5225] kill_block_super+0x44/0x90 [ 52.631383][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.632260][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.633340][ T5225] deactivate_super+0xd8/0xf8 [ 52.634269][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.635129][ T5225] __cleanup_mnt+0x20/0x30 [ 52.635995][ T5225] task_work_run+0x1c4/0x254 [ 52.636916][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.637983][ T5225] el0_svc+0x18c/0x260 [ 52.638824][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.639868][ T5225] el0t_64_sync+0x198/0x19c [ 52.640784][ T5225] irq event stamp: 287742 [ 52.641655][ T5225] hardirqs last enabled at (287741): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 52.643764][ T5225] hardirqs last disabled at (287742): [] el1_brk64+0x20/0x54 [ 52.645497][ T5225] softirqs last enabled at (287734): [] kernel_neon_begin+0x294/0x3fc [ 52.647470][ T5225] softirqs last disabled at (287732): [] kernel_neon_begin+0x11c/0x3fc [ 52.649306][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.662229][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.683605][ T5417] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.701983][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.702104][ T5225] ------------[ cut here ]------------ [ 52.702112][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 52.707716][ T5225] Modules linked in: [ 52.708530][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.710591][ T5225] Tainted: [W]=WARN [ 52.711335][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.713503][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.715091][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.716388][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.717661][ T5225] sp : ffff800099487060 [ 52.718483][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.720078][ T5225] x26: ffff0000ec0b0b90 x25: ffff0000ec0b0bb8 x24: ffff800088a09b80 [ 52.721709][ T5225] x23: ffff0000db156000 x22: 000000000000feeb x21: ffff0000db156068 [ 52.723363][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 52.725005][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.726647][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.728279][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.729815][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 52.731410][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 52.732995][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.734512][ T5225] Call trace: [ 52.735141][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.736375][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.737396][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.738461][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.739478][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.740407][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.741284][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.742204][ T5225] sync_lazytime+0x1a8/0x68c [ 52.743038][ T5225] iput+0x1cc/0xb90 [ 52.743719][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.744663][ T5225] __dentry_kill+0x170/0x5fc [ 52.745531][ T5225] shrink_kill+0xe8/0x318 [ 52.746371][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.747304][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.748271][ T5225] do_one_tree+0x24/0x58 [ 52.749063][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.750024][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.751057][ T5225] kill_block_super+0x44/0x90 [ 52.751973][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.752802][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.753894][ T5225] deactivate_super+0xd8/0xf8 [ 52.754817][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.755701][ T5225] __cleanup_mnt+0x20/0x30 [ 52.756578][ T5225] task_work_run+0x1c4/0x254 [ 52.757485][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.758570][ T5225] el0_svc+0x18c/0x260 [ 52.759396][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.760407][ T5225] el0t_64_sync+0x198/0x19c [ 52.761296][ T5225] irq event stamp: 293468 [ 52.762164][ T5225] hardirqs last enabled at (293467): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 52.764189][ T5225] hardirqs last disabled at (293468): [] el1_brk64+0x20/0x54 [ 52.765951][ T5225] softirqs last enabled at (293460): [] kernel_neon_begin+0x294/0x3fc [ 52.767911][ T5225] softirqs last disabled at (293458): [] kernel_neon_begin+0x11c/0x3fc [ 52.769846][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.777097][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.793730][ T5421] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52. ** replaying previous printk message ** [ 52.797887][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.798018][ T5225] ------------[ cut here ]------------ [ 52.798022][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 52.803850][ T5225] Modules linked in: [ 52.804626][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.806711][ T5225] Tainted: [W]=WARN [ 52.807476][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.809378][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.810807][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.812093][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.813353][ T5225] sp : ffff800099487060 [ 52.814153][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.815674][ T5225] x26: ffff0000e1e34cf8 x25: ffff0000e1e34d20 x24: ffff800088a09b80 [ 52.817217][ T5225] x23: ffff0000c6876000 x22: 000000000000feeb x21: ffff0000c6876068 [ 52.818754][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 52.820257][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 52.821888][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 52.823509][ T5225] x11: 0000000000000f3e x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.825146][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 52.826920][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 52.828536][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.830161][ T5225] Call trace: [ 52.830818][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.832100][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.833083][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.834224][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.835329][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.836396][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.837336][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.838315][ T5225] sync_lazytime+0x1a8/0x68c [ 52.839215][ T5225] iput+0x1cc/0xb90 [ 52.839940][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.840958][ T5225] __dentry_kill+0x170/0x5fc [ 52.841845][ T5225] shrink_kill+0xe8/0x318 [ 52.842637][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.843645][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.844618][ T5225] do_one_tree+0x24/0x58 [ 52.845397][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.846441][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.847456][ T5225] kill_block_super+0x44/0x90 [ 52.848359][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.849194][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.850232][ T5225] deactivate_super+0xd8/0xf8 [ 52.851125][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.851960][ T5225] __cleanup_mnt+0x20/0x30 [ 52.852793][ T5225] task_work_run+0x1c4/0x254 [ 52.853665][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.854700][ T5225] el0_svc+0x18c/0x260 [ 52.855495][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.856539][ T5225] el0t_64_sync+0x198/0x19c [ 52.857449][ T5225] irq event stamp: 299522 [ 52.858286][ T5225] hardirqs last enabled at (299521): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 52.860280][ T5225] hardirqs last disabled at (299522): [] el1_brk64+0x20/0x54 [ 52.862017][ T5225] softirqs last enabled at (299514): [] kernel_neon_begin+0x294/0x3fc [ 52.863936][ T5225] softirqs last disabled at (299512): [] kernel_neon_begin+0x11c/0x3fc [ 52.865806][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.871089][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 52.922561][ T5425] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 52.926334][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 52.928611][ T5225] ------------[ cut here ]------------ [ 52.928618][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 52.931520][ T5225] Modules linked in: [ 52.932276][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 52.934341][ T5225] Tainted: [W]=WARN [ 52.935069][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.936946][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.938436][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 52.939704][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 52.940999][ T5225] sp : ffff800099487060 [ 52.941835][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 52.943441][ T5225] x26: ffff0000e1e32798 x25: ffff0000e1e327c0 x24: ffff800088a09b80 [ 52.944975][ T5225] x23: ffff0000c7ca2000 x22: 000000000000feeb x21: ffff0000c7ca2068 [ 52.946457][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 52.948069][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 52.949644][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 52.951195][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 52.952789][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.954353][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 52.955923][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 52.957411][ T5225] Call trace: [ 52.958045][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 52.959317][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 52.960362][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 52.961508][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 52.962636][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 52.963737][ T5225] ext4_dirty_inode+0xd4/0x104 [ 52.964702][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 52.965701][ T5225] sync_lazytime+0x1a8/0x68c [ 52.966604][ T5225] iput+0x1cc/0xb90 [ 52.967374][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 52.968382][ T5225] __dentry_kill+0x170/0x5fc [ 52.969253][ T5225] shrink_kill+0xe8/0x318 [ 52.970063][ T5225] shrink_dentry_list+0x154/0x2a4 [ 52.971019][ T5225] shrink_dcache_tree+0x40c/0x570 [ 52.971987][ T5225] do_one_tree+0x24/0x58 [ 52.972816][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 52.973924][ T5225] generic_shutdown_super+0x70/0x2b8 [ 52.974920][ T5225] kill_block_super+0x44/0x90 [ 52.975785][ T5225] ext4_kill_sb+0x68/0xa4 [ 52.976650][ T5225] deactivate_locked_super+0xc4/0x140 [ 52.977652][ T5225] deactivate_super+0xd8/0xf8 [ 52.978555][ T5225] cleanup_mnt+0x328/0x3b8 [ 52.979405][ T5225] __cleanup_mnt+0x20/0x30 [ 52.980253][ T5225] task_work_run+0x1c4/0x254 [ 52.981135][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 52.982239][ T5225] el0_svc+0x18c/0x260 [ 52.983051][ T5225] el0t_64_sync_handler+0x48/0x148 [ 52.984078][ T5225] el0t_64_sync+0x198/0x19c [ 52.984948][ T5225] irq event stamp: 306262 [ 52.985804][ T5225] hardirqs last enabled at (306261): [] finish_task_switch+0x22c/0x768 [ 52.987821][ T5225] hardirqs last disabled at (306262): [] el1_brk64+0x20/0x54 [ 52.989553][ T5225] softirqs last enabled at (306252): [] kernel_neon_begin+0x294/0x3fc [ 52.991374][ T5225] softirqs last disabled at (306250): [] kernel_neon_begin+0x11c/0x3fc [ 52.993304][ T5225] ---[ end trace 0000000000000000 ]--- [ 52.997578][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.024398][ T5429] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53.029287][ T5225] ** replaying previous printk message ** [ 53.029287][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.029668][ T5225] ------------[ cut here ]------------ [ 53.029673][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 53.035616][ T5225] Modules linked in: [ 53.036356][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.038259][ T5225] Tainted: [W]=WARN [ 53.038971][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.040906][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.042500][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.043769][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.045019][ T5225] sp : ffff800099487060 [ 53.045837][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.047439][ T5225] x26: ffff0000e1e30238 x25: ffff0000e1e30260 x24: ffff800088a09b80 [ 53.049061][ T5225] x23: ffff0000da356000 x22: 000000000000feeb x21: ffff0000da356068 [ 53.050715][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 53.052326][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 53.053985][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 53.055629][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.057289][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.058863][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 53.060460][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.062083][ T5225] Call trace: [ 53.062714][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.064006][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.065042][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.066147][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.067237][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.068308][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.069244][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.070244][ T5225] sync_lazytime+0x1a8/0x68c [ 53.071162][ T5225] iput+0x1cc/0xb90 [ 53.071913][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.072936][ T5225] __dentry_kill+0x170/0x5fc [ 53.073810][ T5225] shrink_kill+0xe8/0x318 [ 53.074616][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.075584][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.076563][ T5225] do_one_tree+0x24/0x58 [ 53.077378][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.078462][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.079519][ T5225] kill_block_super+0x44/0x90 [ 53.080393][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.081260][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.082323][ T5225] deactivate_super+0xd8/0xf8 [ 53.083288][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.084130][ T5225] __cleanup_mnt+0x20/0x30 [ 53.085014][ T5225] task_work_run+0x1c4/0x254 [ 53.085914][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.086933][ T5225] el0_svc+0x18c/0x260 [ 53.087671][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.088700][ T5225] el0t_64_sync+0x198/0x19c [ 53.089579][ T5225] irq event stamp: 312860 [ 53.090418][ T5225] hardirqs last enabled at (312859): [] finish_task_switch+0x22c/0x768 [ 53.092308][ T5225] hardirqs last disabled at (312860): [] el1_brk64+0x20/0x54 [ 53.093989][ T5225] softirqs last enabled at (312850): [] kernel_neon_begin+0x294/0x3fc [ 53.095871][ T5225] softirqs last disabled at (312848): [] kernel_neon_begin+0x11c/0x3fc [ 53.097734][ T5225] ---[ end trace 0000000000000000 ]--- [ 53.107428][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.151128][ T5433] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53. ** replaying previous printk message ** [ 53.155385][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.155499][ T5225] ------------[ cut here ]------------ [ 53.155503][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 53.161708][ T5225] Modules linked in: [ 53.162492][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.164600][ T5225] Tainted: [W]=WARN [ 53.165355][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.167346][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.169109][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.170428][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.171687][ T5225] sp : ffff800099487060 [ 53.172534][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.174156][ T5225] x26: ffff0000e1ebc3a0 x25: ffff0000e1ebc3c8 x24: ffff800088a09b80 [ 53.175792][ T5225] x23: ffff0000dac98000 x22: 000000000000feeb x21: ffff0000dac98068 [ 53.177426][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 53.179048][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.180645][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.182171][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.183704][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 53.185258][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 53.186631][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.188064][ T5225] Call trace: [ 53.188650][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.189776][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.190715][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.191749][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.192811][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.193792][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.194649][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.195674][ T5225] sync_lazytime+0x1a8/0x68c [ 53.196620][ T5225] iput+0x1cc/0xb90 [ 53.197407][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.198425][ T5225] __dentry_kill+0x170/0x5fc [ 53.199372][ T5225] shrink_kill+0xe8/0x318 [ 53.200273][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.201195][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.202194][ T5225] do_one_tree+0x24/0x58 [ 53.203047][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.204157][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.205196][ T5225] kill_block_super+0x44/0x90 [ 53.206119][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.206983][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.207998][ T5225] deactivate_super+0xd8/0xf8 [ 53.208873][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.209734][ T5225] __cleanup_mnt+0x20/0x30 [ 53.210615][ T5225] task_work_run+0x1c4/0x254 [ 53.211542][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.212643][ T5225] el0_svc+0x18c/0x260 [ 53.213459][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.214503][ T5225] el0t_64_sync+0x198/0x19c [ 53.215383][ T5225] irq event stamp: 318332 [ 53.216236][ T5225] hardirqs last enabled at (318331): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 53.218333][ T5225] hardirqs last disabled at (318332): [] el1_brk64+0x20/0x54 [ 53.220101][ T5225] softirqs last enabled at (318324): [] kernel_neon_begin+0x294/0x3fc [ 53.222044][ T5225] softirqs last disabled at (318322): [] kernel_neon_begin+0x11c/0x3fc [ 53.224033][ T5225] ---[ end trace 0000000000000000 ]--- [ 53.228814][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.256847][ T5437] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53 ** replaying previous printk message ** [ 53.265962][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.266077][ T5225] ------------[ cut here ]------------ [ 53.266082][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 53.271961][ T5225] Modules linked in: [ 53.272717][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.274803][ T5225] Tainted: [W]=WARN [ 53.275472][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.277356][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.278962][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.280162][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.281431][ T5225] sp : ffff800099487060 [ 53.282238][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.283897][ T5225] x26: ffff0000e1fb43a0 x25: ffff0000e1fb43c8 x24: ffff800088a09b80 [ 53.285465][ T5225] x23: ffff0000c9bd4000 x22: 000000000000feeb x21: ffff0000c9bd4068 [ 53.287068][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 53.288622][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.290220][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.291874][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.293481][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 53.295068][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 53.296598][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.298122][ T5225] Call trace: [ 53.298749][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.299991][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.300993][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.302092][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.303211][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.304239][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.305155][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.306158][ T5225] sync_lazytime+0x1a8/0x68c [ 53.307090][ T5225] iput+0x1cc/0xb90 [ 53.307885][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.308835][ T5225] __dentry_kill+0x170/0x5fc [ 53.309742][ T5225] shrink_kill+0xe8/0x318 [ 53.310580][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.311569][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.312488][ T5225] do_one_tree+0x24/0x58 [ 53.313304][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.314347][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.315384][ T5225] kill_block_super+0x44/0x90 [ 53.316305][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.317189][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.318236][ T5225] deactivate_super+0xd8/0xf8 [ 53.319167][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.320076][ T5225] __cleanup_mnt+0x20/0x30 [ 53.320930][ T5225] task_work_run+0x1c4/0x254 [ 53.321842][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.322904][ T5225] el0_svc+0x18c/0x260 [ 53.323707][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.324697][ T5225] el0t_64_sync+0x198/0x19c [ 53.325584][ T5225] irq event stamp: 323418 [ 53.326410][ T5225] hardirqs last enabled at (323417): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 53.328417][ T5225] hardirqs last disabled at (323418): [] el1_brk64+0x20/0x54 [ 53.330113][ T5225] softirqs last enabled at (323410): [] kernel_neon_begin+0x294/0x3fc [ 53.332064][ T5225] softirqs last disabled at (323408): [] kernel_neon_begin+0x11c/0x3fc [ 53.333980][ T5225] ---[ end trace 0000000000000000 ]--- [ 53.338590][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 53.353660][ T5441] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 53.359815][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.362506][ T5225] ------------[ cut here ]------------ [ 53.362517][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 53.365741][ T5225] Modules linked in: [ 53.366466][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.368469][ T5225] Tainted: [W]=WARN [ 53.369207][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.371103][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.372619][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.373816][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.375125][ T5225] sp : ffff800099487060 [ 53.375968][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.377581][ T5225] x26: ffff0000e1eb9e40 x25: ffff0000e1eb9e68 x24: ffff800088a09b80 [ 53.379151][ T5225] x23: ffff0000de116000 x22: 000000000000feeb x21: ffff0000de116068 [ 53.380731][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 53.382290][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 53.383847][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 53.385442][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.387074][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.388659][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 53.390173][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.391742][ T5225] Call trace: [ 53.392386][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.393579][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.394591][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.395679][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.396725][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.397745][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.398650][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.399615][ T5225] sync_lazytime+0x1a8/0x68c [ 53.400479][ T5225] iput+0x1cc/0xb90 [ 53.401168][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.402136][ T5225] __dentry_kill+0x170/0x5fc [ 53.402993][ T5225] shrink_kill+0xe8/0x318 [ 53.403771][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.404766][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.405784][ T5225] do_one_tree+0x24/0x58 [ 53.406660][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.407693][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.408788][ T5225] kill_block_super+0x44/0x90 [ 53.409770][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.410648][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.411724][ T5225] deactivate_super+0xd8/0xf8 [ 53.412680][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.413572][ T5225] __cleanup_mnt+0x20/0x30 [ 53.414440][ T5225] task_work_run+0x1c4/0x254 [ 53.415373][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.416459][ T5225] el0_svc+0x18c/0x260 [ 53.417291][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.418267][ T5225] el0t_64_sync+0x198/0x19c [ 53.419039][ T5225] irq event stamp: 329022 [ 53.419844][ T5225] hardirqs last enabled at (329021): [] finish_task_switch+0x22c/0x768 [ 53.421849][ T5225] hardirqs last disabled at (329022): [] el1_brk64+0x20/0x54 [ 53.424145][ T5225] softirqs last enabled at (329018): [] handle_softirqs+0xbc4/0xd34 [ 53.425978][ T5225] softirqs last disabled at (329003): [] __do_softirq+0x14/0x20 [ 53.427766][ T5225] ---[ end trace 0000000000000000 ]--- [ 53.432778][ T5225] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ ** replaying previous printk message ** [ 53.473666][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.473775][ T5225] ------------[ cut here ]------------ [ 53.473779][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 53.479393][ T5225] Modules linked in: [ 53.480095][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.481991][ T5225] Tainted: [W]=WARN [ 53.482720][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.484786][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.486383][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.487697][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.489025][ T5225] sp : ffff800099487060 [ 53.489833][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.491432][ T5225] x26: ffff0000e1e37258 x25: ffff0000e1e37280 x24: ffff800088a09b80 [ 53.493053][ T5225] x23: ffff0000cae92000 x22: 000000000000feeb x21: ffff0000cae92068 [ 53.494633][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 53.496265][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.497847][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.499449][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.500971][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 53.502543][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 53.504120][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.505658][ T5225] Call trace: [ 53.506269][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.507515][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.508533][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.509706][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.510861][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.511966][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.512956][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.513978][ T5225] sync_lazytime+0x1a8/0x68c [ 53.514849][ T5225] iput+0x1cc/0xb90 [ 53.515610][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.516605][ T5225] __dentry_kill+0x170/0x5fc [ 53.517487][ T5225] shrink_kill+0xe8/0x318 [ 53.518324][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.519309][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.520286][ T5225] do_one_tree+0x24/0x58 [ 53.521125][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.522127][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.523121][ T5225] kill_block_super+0x44/0x90 [ 53.524024][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.524875][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.525950][ T5225] deactivate_super+0xd8/0xf8 [ 53.526860][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.527719][ T5225] __cleanup_mnt+0x20/0x30 [ 53.528563][ T5225] task_work_run+0x1c4/0x254 [ 53.529437][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.530479][ T5225] el0_svc+0x18c/0x260 [ 53.531275][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.532277][ T5225] el0t_64_sync+0x198/0x19c [ 53.533176][ T5225] irq event stamp: 334566 [ 53.533988][ T5225] hardirqs last enabled at (334565): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 53.536083][ T5225] hardirqs last disabled at (334566): [] el1_brk64+0x20/0x54 [ 53.537854][ T5225] softirqs last enabled at (334558): [] kernel_neon_begin+0x294/0x3fc [ 53.539819][ T5225] softirqs last disabled at (334556): [] kernel_neon_begin+0x11c/0x3fc [ 53.541774][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.590294][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.590406][ T5225] ------------[ cut here ]------------ [ 53.590410][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 53.596383][ T5225] Modules linked in: [ 53.597119][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.599107][ T5225] Tainted: [W]=WARN [ 53.599832][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.601748][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.603247][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.604531][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.605832][ T5225] sp : ffff800099487060 [ 53.606632][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.608264][ T5225] x26: ffff0000ec3c30f0 x25: ffff0000ec3c3118 x24: ffff800088a09b80 [ 53.609768][ T5225] x23: ffff0000db068000 x22: 000000000000feeb x21: ffff0000db068068 [ 53.611315][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 53.612916][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.614505][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.616106][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.617621][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 53.619175][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 53.620819][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.622430][ T5225] Call trace: [ 53.623088][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.624369][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.625412][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.626588][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.627665][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.628692][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.629585][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.630560][ T5225] sync_lazytime+0x1a8/0x68c [ 53.631410][ T5225] iput+0x1cc/0xb90 [ 53.632141][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.633132][ T5225] __dentry_kill+0x170/0x5fc [ 53.634037][ T5225] shrink_kill+0xe8/0x318 [ 53.634876][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.635808][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.636770][ T5225] do_one_tree+0x24/0x58 [ 53.637605][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.638661][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.639649][ T5225] kill_block_super+0x44/0x90 [ 53.640531][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.641364][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.642372][ T5225] deactivate_super+0xd8/0xf8 [ 53.643287][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.644143][ T5225] __cleanup_mnt+0x20/0x30 [ 53.644990][ T5225] task_work_run+0x1c4/0x254 [ 53.645842][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.646863][ T5225] el0_svc+0x18c/0x260 [ 53.647631][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.648615][ T5225] el0t_64_sync+0x198/0x19c [ 53.649462][ T5225] irq event stamp: 339940 [ 53.650329][ T5225] hardirqs last enabled at (339939): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 53.652378][ T5225] hardirqs last disabled at (339940): [] el1_brk64+0x20/0x54 [ 53.654117][ T5225] softirqs last enabled at (339932): [] kernel_neon_begin+0x294/0x3fc [ 53.656024][ T5225] softirqs last disabled at (339930): [] kernel_neon_begin+0x11c/0x3fc [ 53.657910][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.693635][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.693752][ T5225] ------------[ cut here ]------------ [ 53.693756][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 53.699246][ T5225] Modules linked in: [ 53.699945][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.701819][ T5225] Tainted: [W]=WARN [ 53.702576][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.704495][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.705974][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.707221][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.708481][ T5225] sp : ffff800099487060 [ 53.709271][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.710797][ T5225] x26: ffff0000ec3c0b90 x25: ffff0000ec3c0bb8 x24: ffff800088a09b80 [ 53.712377][ T5225] x23: ffff0000d7680000 x22: 000000000000feeb x21: ffff0000d7680068 [ 53.713858][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 00000000ffffffff [ 53.715354][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.716866][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.718391][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.719937][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 53.721454][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 53.722925][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.724517][ T5225] Call trace: [ 53.725143][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.726399][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.727449][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.728589][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.729700][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.730782][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.731718][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.732743][ T5225] sync_lazytime+0x1a8/0x68c [ 53.733689][ T5225] iput+0x1cc/0xb90 [ 53.734445][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.735472][ T5225] __dentry_kill+0x170/0x5fc [ 53.736359][ T5225] shrink_kill+0xe8/0x318 [ 53.737222][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.738237][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.739223][ T5225] do_one_tree+0x24/0x58 [ 53.740067][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.741145][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.742191][ T5225] kill_block_super+0x44/0x90 [ 53.743060][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.743871][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.744897][ T5225] deactivate_super+0xd8/0xf8 [ 53.745768][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.746599][ T5225] __cleanup_mnt+0x20/0x30 [ 53.747448][ T5225] task_work_run+0x1c4/0x254 [ 53.748338][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.749324][ T5225] el0_svc+0x18c/0x260 [ 53.750093][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.751054][ T5225] el0t_64_sync+0x198/0x19c [ 53.751824][ T5225] irq event stamp: 345504 [ 53.752663][ T5225] hardirqs last enabled at (345503): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 53.754639][ T5225] hardirqs last disabled at (345504): [] el1_brk64+0x20/0x54 [ 53.756366][ T5225] softirqs last enabled at (345496): [] kernel_neon_begin+0x294/0x3fc [ 53.758262][ T5225] softirqs last disabled at (345494): [] kernel_neon_begin+0x11c/0x3fc [ 53.760088][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.788727][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.788838][ T5225] ------------[ cut here ]------------ [ 53.788843][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 53.795126][ T5225] Modules linked in: [ 53.795912][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.797864][ T5225] Tainted: [W]=WARN [ 53.798605][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.800501][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.802029][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.803262][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.804546][ T5225] sp : ffff800099487060 [ 53.805324][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.806918][ T5225] x26: ffff0000e1fb5fa8 x25: ffff0000e1fb5fd0 x24: ffff800088a09b80 [ 53.808565][ T5225] x23: ffff0000cb784000 x22: 000000000000feeb x21: ffff0000cb784068 [ 53.810203][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 53.811711][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.813349][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.814932][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.816487][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 53.818129][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 53.819723][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.821262][ T5225] Call trace: [ 53.821907][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.823183][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.824260][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.825389][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.826479][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.827559][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.828486][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.829493][ T5225] sync_lazytime+0x1a8/0x68c [ 53.830397][ T5225] iput+0x1cc/0xb90 [ 53.831147][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.832113][ T5225] __dentry_kill+0x170/0x5fc [ 53.832995][ T5225] shrink_kill+0xe8/0x318 [ 53.833814][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.834765][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.835675][ T5225] do_one_tree+0x24/0x58 [ 53.836478][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.837484][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.838487][ T5225] kill_block_super+0x44/0x90 [ 53.839345][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.840172][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.841189][ T5225] deactivate_super+0xd8/0xf8 [ 53.842091][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.842946][ T5225] __cleanup_mnt+0x20/0x30 [ 53.843799][ T5225] task_work_run+0x1c4/0x254 [ 53.844676][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.845769][ T5225] el0_svc+0x18c/0x260 [ 53.846567][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.847603][ T5225] el0t_64_sync+0x198/0x19c [ 53.848513][ T5225] irq event stamp: 351084 [ 53.849367][ T5225] hardirqs last enabled at (351083): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 53.851375][ T5225] hardirqs last disabled at (351084): [] el1_brk64+0x20/0x54 [ 53.852187][ T50] Bluetooth: hci0: command tx timeout [ 53.854125][ T5225] softirqs last enabled at (351076): [] kernel_neon_begin+0x294/0x3fc [ 53.856038][ T5225] softirqs last disabled at (351074): [] kernel_neon_begin+0x11c/0x3fc [ 53.857908][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.906004][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 53.906116][ T5225] ------------[ cut here ]------------ [ 53.906120][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 53.912321][ T5225] Modules linked in: [ 53.913042][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 53.915098][ T5225] Tainted: [W]=WARN [ 53.915867][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.917872][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.919336][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 53.920601][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 53.921823][ T5225] sp : ffff800099487060 [ 53.922633][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 53.924225][ T5225] x26: ffff0000e1fb1e40 x25: ffff0000e1fb1e68 x24: ffff800088a09b80 [ 53.925828][ T5225] x23: ffff0000ec904000 x22: 000000000000feeb x21: ffff0000ec904068 [ 53.927396][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 53.928988][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 53.930535][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 53.932124][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 53.933645][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 53.935157][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 53.936581][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 53.938192][ T5225] Call trace: [ 53.938850][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 53.940176][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 53.941098][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 53.942107][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 53.943149][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 53.944176][ T5225] ext4_dirty_inode+0xd4/0x104 [ 53.945106][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 53.946169][ T5225] sync_lazytime+0x1a8/0x68c [ 53.947045][ T5225] iput+0x1cc/0xb90 [ 53.947763][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 53.948783][ T5225] __dentry_kill+0x170/0x5fc [ 53.949684][ T5225] shrink_kill+0xe8/0x318 [ 53.950528][ T5225] shrink_dentry_list+0x154/0x2a4 [ 53.951536][ T5225] shrink_dcache_tree+0x40c/0x570 [ 53.952536][ T5225] do_one_tree+0x24/0x58 [ 53.953407][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 53.954463][ T5225] generic_shutdown_super+0x70/0x2b8 [ 53.955478][ T5225] kill_block_super+0x44/0x90 [ 53.956346][ T5225] ext4_kill_sb+0x68/0xa4 [ 53.957142][ T5225] deactivate_locked_super+0xc4/0x140 [ 53.958142][ T5225] deactivate_super+0xd8/0xf8 [ 53.958982][ T5225] cleanup_mnt+0x328/0x3b8 [ 53.959813][ T5225] __cleanup_mnt+0x20/0x30 [ 53.960682][ T5225] task_work_run+0x1c4/0x254 [ 53.961561][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 53.962605][ T5225] el0_svc+0x18c/0x260 [ 53.963408][ T5225] el0t_64_sync_handler+0x48/0x148 [ 53.964429][ T5225] el0t_64_sync+0x198/0x19c [ 53.965381][ T5225] irq event stamp: 358020 [ 53.966238][ T5225] hardirqs last enabled at (358019): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 53.968294][ T5225] hardirqs last disabled at (358020): [] el1_brk64+0x20/0x54 [ 53.970126][ T5225] softirqs last enabled at (358012): [] kernel_neon_begin+0x294/0x3fc [ 53.972149][ T5225] softirqs last disabled at (358010): [] kernel_neon_begin+0x11c/0x3fc [ 53.974163][ T5225] ---[ end trace 0000000000000000 ]--- [ 54.008000][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.010318][ T5225] ------------[ cut here ]------------ [ 54.010326][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 54.013494][ T5225] Modules linked in: [ 54.014309][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.016324][ T5225] Tainted: [W]=WARN [ 54.017109][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.019155][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.020744][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.022167][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.023463][ T5225] sp : ffff800099487060 [ 54.024292][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.025883][ T5225] x26: ffff0000e1ebf258 x25: ffff0000e1ebf280 x24: ffff800088a09b80 [ 54.027472][ T5225] x23: ffff0000d617c000 x22: 000000000000feeb x21: ffff0000d617c068 [ 54.029065][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 54.030668][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 54.032087][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 54.033620][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.035202][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.036821][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 54.038491][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.040170][ T5225] Call trace: [ 54.040816][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.042092][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.043135][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.044214][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.045300][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.046305][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.047176][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.048200][ T5225] sync_lazytime+0x1a8/0x68c [ 54.049100][ T5225] iput+0x1cc/0xb90 [ 54.049848][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.050810][ T5225] __dentry_kill+0x170/0x5fc [ 54.051713][ T5225] shrink_kill+0xe8/0x318 [ 54.052544][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.053513][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.054481][ T5225] do_one_tree+0x24/0x58 [ 54.055278][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.056318][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.057387][ T5225] kill_block_super+0x44/0x90 [ 54.058294][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.059145][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.060224][ T5225] deactivate_super+0xd8/0xf8 [ 54.061130][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.062004][ T5225] __cleanup_mnt+0x20/0x30 [ 54.062876][ T5225] task_work_run+0x1c4/0x254 [ 54.063762][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.064811][ T5225] el0_svc+0x18c/0x260 [ 54.065638][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.066550][ T5225] el0t_64_sync+0x198/0x19c [ 54.067392][ T5225] irq event stamp: 363390 [ 54.068183][ T5225] hardirqs last enabled at (363389): [] finish_task_switch+0x22c/0x768 [ 54.070091][ T5225] hardirqs last disabled at (363390): [] el1_brk64+0x20/0x54 [ 54.071847][ T5225] softirqs last enabled at (363380): [] kernel_neon_begin+0x294/0x3fc [ 54.073751][ T5225] softirqs last disabled at (363378): [] kernel_neon_begin+0x11c/0x3fc [ 54.075624][ T5225] ---[ end trace 0000000000000000 ]--- [ 5 ** replaying previous printk message ** [ 54.109107][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.109225][ T5225] ------------[ cut here ]------------ [ 54.109229][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 54.115410][ T5225] Modules linked in: [ 54.116169][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.118211][ T5225] Tainted: [W]=WARN [ 54.118913][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.120814][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.122331][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.123663][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.124956][ T5225] sp : ffff800099487060 [ 54.125766][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.127315][ T5225] x26: ffff0000ec3c7258 x25: ffff0000ec3c7280 x24: ffff800088a09b80 [ 54.128912][ T5225] x23: ffff0000d0a60000 x22: 000000000000feeb x21: ffff0000d0a60068 [ 54.130401][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 54.131893][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.133506][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.135071][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.136679][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 54.138207][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 54.139749][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.141288][ T5225] Call trace: [ 54.141913][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.143207][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.144232][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.145340][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.146465][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.147585][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.148581][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.149560][ T5225] sync_lazytime+0x1a8/0x68c [ 54.150471][ T5225] iput+0x1cc/0xb90 [ 54.151159][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.152141][ T5225] __dentry_kill+0x170/0x5fc [ 54.153015][ T5225] shrink_kill+0xe8/0x318 [ 54.153834][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.154841][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.155808][ T5225] do_one_tree+0x24/0x58 [ 54.156641][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.157674][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.158659][ T5225] kill_block_super+0x44/0x90 [ 54.159562][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.160406][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.161416][ T5225] deactivate_super+0xd8/0xf8 [ 54.162330][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.163214][ T5225] __cleanup_mnt+0x20/0x30 [ 54.164069][ T5225] task_work_run+0x1c4/0x254 [ 54.164961][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.166018][ T5225] el0_svc+0x18c/0x260 [ 54.166791][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.167746][ T5225] el0t_64_sync+0x198/0x19c [ 54.168571][ T5225] irq event stamp: 368722 [ 54.169370][ T5225] hardirqs last enabled at (368721): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 54.171350][ T5225] hardirqs last disabled at (368722): [] el1_brk64+0x20/0x54 [ 54.173036][ T5225] softirqs last enabled at (368714): [] kernel_neon_begin+0x294/0x3fc [ 54.174894][ T5225] softirqs last disabled at (368712): [] kernel_neon_begin+0x11c/0x3fc [ 54.176722][ T5225] ---[ end trace 0000000000000000 ]--- [ 54.214612][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.217016][ T5225] ------------[ cut here ]------------ [ 54.217024][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 54.219966][ T5225] Modules linked in: [ 54.220635][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.222503][ T5225] Tainted: [W]=WARN [ 54.223233][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.225237][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.226848][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.228152][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.229369][ T5225] sp : ffff800099487060 [ 54.230181][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.231594][ T5225] x26: ffff0000ec0a43a0 x25: ffff0000ec0a43c8 x24: ffff800088a09b80 [ 54.233127][ T5225] x23: ffff0000c1da2000 x22: 000000000000feeb x21: ffff0000c1da2068 [ 54.234636][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 54.236109][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 54.237567][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 54.239016][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.240528][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.242028][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 54.243503][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.245061][ T5225] Call trace: [ 54.245703][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.247048][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.248089][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.249217][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.250302][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.251388][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.252262][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.253207][ T5225] sync_lazytime+0x1a8/0x68c [ 54.254083][ T5225] iput+0x1cc/0xb90 [ 54.254787][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.255811][ T5225] __dentry_kill+0x170/0x5fc [ 54.256749][ T5225] shrink_kill+0xe8/0x318 [ 54.257580][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.258582][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.259569][ T5225] do_one_tree+0x24/0x58 [ 54.260404][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.261559][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.262532][ T5225] kill_block_super+0x44/0x90 [ 54.263423][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.264232][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.265274][ T5225] deactivate_super+0xd8/0xf8 [ 54.266231][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.267158][ T5225] __cleanup_mnt+0x20/0x30 [ 54.268087][ T5225] task_work_run+0x1c4/0x254 [ 54.269024][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.270102][ T5225] el0_svc+0x18c/0x260 [ 54.270934][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.271935][ T5225] el0t_64_sync+0x198/0x19c [ 54.272831][ T5225] irq event stamp: 374056 [ 54.273689][ T5225] hardirqs last enabled at (374055): [] finish_task_switch+0x22c/0x768 [ 54.275605][ T5225] hardirqs last disabled at (374056): [] el1_brk64+0x20/0x54 [ 54.277331][ T5225] softirqs last enabled at (374046): [] kernel_neon_begin+0x294/0x3fc [ 54.279115][ T5225] softirqs last disabled at (374044): [] kernel_neon_begin+0x11c/0x3fc [ 54.281012][ T5225] ---[ end trace 0000000000000000 ]--- [ 54.312467][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.314812][ T5225] ------------[ cut here ]------------ [ 54.314820][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 54.317680][ T5225] Modules linked in: [ 54.318380][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.320221][ T5225] Tainted: [W]=WARN [ 54.320875][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.322675][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.324144][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.325373][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.326538][ T5225] sp : ffff800099487060 [ 54.327302][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.328935][ T5225] x26: ffff0000ec0a6900 x25: ffff0000ec0a6928 x24: ffff800088a09b80 [ 54.330503][ T5225] x23: ffff0000cf5bc000 x22: 000000000000feeb x21: ffff0000cf5bc068 [ 54.332091][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 54.333547][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 54.335138][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 54.336734][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.338224][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 54.339853][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 54.341488][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.343072][ T5225] Call trace: [ 54.343706][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.344959][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.346044][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.347145][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.348227][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.349312][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.350234][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.351245][ T5225] sync_lazytime+0x1a8/0x68c [ 54.352168][ T5225] iput+0x1cc/0xb90 [ 54.352903][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.353889][ T5225] __dentry_kill+0x170/0x5fc [ 54.354810][ T5225] shrink_kill+0xe8/0x318 [ 54.355688][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.356690][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.357645][ T5225] do_one_tree+0x24/0x58 [ 54.358462][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.359536][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.360558][ T5225] kill_block_super+0x44/0x90 [ 54.361430][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.362249][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.363284][ T5225] deactivate_super+0xd8/0xf8 [ 54.364227][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.365120][ T5225] __cleanup_mnt+0x20/0x30 [ 54.365976][ T5225] task_work_run+0x1c4/0x254 [ 54.366864][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.367840][ T5225] el0_svc+0x18c/0x260 [ 54.368631][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.369642][ T5225] el0t_64_sync+0x198/0x19c [ 54.370520][ T5225] irq event stamp: 379826 [ 54.371314][ T5225] hardirqs last enabled at (379825): [] finish_task_switch+0x22c/0x768 [ 54.373198][ T5225] hardirqs last disabled at (379826): [] el1_brk64+0x20/0x54 [ 54.374795][ T5225] softirqs last enabled at (379816): [] kernel_neon_begin+0x294/0x3fc [ 54.376655][ T5225] softirqs last disabled at (379814): [] kernel_neon_begin+0x11c/0x3fc [ 54.378707][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.419124][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.419241][ T5225] ------------[ cut here ]------------ [ 54.419246][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 54.425247][ T5225] Modules linked in: [ 54.426076][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.428201][ T5225] Tainted: [W]=WARN [ 54.428941][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.430979][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.432577][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.433888][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.435199][ T5225] sp : ffff800099487060 [ 54.436032][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.437606][ T5225] x26: ffff0000ec3ce900 x25: ffff0000ec3ce928 x24: ffff800088a09b80 [ 54.439215][ T5225] x23: ffff0000d3f98000 x22: 000000000000feeb x21: ffff0000d3f98068 [ 54.440767][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 54.442270][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.443826][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.445449][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.446953][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 54.448377][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 54.449895][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.451480][ T5225] Call trace: [ 54.452147][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.453444][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.454446][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.455621][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.456713][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.457791][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.458723][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.459709][ T5225] sync_lazytime+0x1a8/0x68c [ 54.460619][ T5225] iput+0x1cc/0xb90 [ 54.461385][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.462447][ T5225] __dentry_kill+0x170/0x5fc [ 54.463393][ T5225] shrink_kill+0xe8/0x318 [ 54.464249][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.465291][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.466298][ T5225] do_one_tree+0x24/0x58 [ 54.467103][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.468204][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.469204][ T5225] kill_block_super+0x44/0x90 [ 54.470101][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.470923][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.471948][ T5225] deactivate_super+0xd8/0xf8 [ 54.472845][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.473704][ T5225] __cleanup_mnt+0x20/0x30 [ 54.474566][ T5225] task_work_run+0x1c4/0x254 [ 54.475502][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.476525][ T5225] el0_svc+0x18c/0x260 [ 54.477307][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.478309][ T5225] el0t_64_sync+0x198/0x19c [ 54.479198][ T5225] irq event stamp: 385320 [ 54.480030][ T5225] hardirqs last enabled at (385319): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 54.482050][ T5225] hardirqs last disabled at (385320): [] el1_brk64+0x20/0x54 [ 54.483777][ T5225] softirqs last enabled at (385312): [] kernel_neon_begin+0x294/0x3fc [ 54.485708][ T5225] softirqs last disabled at (385310): [] kernel_neon_begin+0x11c/0x3fc [ 54.487651][ T5225] ---[ end trace 0000000000000000 ]--- [ 54.527968][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.528113][ T5225] ------------[ cut here ]------------ [ 54.528120][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 54.533380][ T5225] Modules linked in: [ 54.534188][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.536291][ T5225] Tainted: [W]=WARN [ 54.537011][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.538961][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.540475][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.541781][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.543084][ T5225] sp : ffff800099487060 [ 54.543907][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.545526][ T5225] x26: ffff0000ec3cc3a0 x25: ffff0000ec3cc3c8 x24: ffff800088a09b80 [ 54.547110][ T5225] x23: ffff0000e2976000 x22: 000000000000feeb x21: ffff0000e2976068 [ 54.548648][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 54.550232][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.551779][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.553307][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.554909][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 54.556484][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 54.558106][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.559742][ T5225] Call trace: [ 54.560389][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.561630][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.562645][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.563781][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.564896][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.565969][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.566909][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.567931][ T5225] sync_lazytime+0x1a8/0x68c [ 54.568804][ T5225] iput+0x1cc/0xb90 [ 54.569560][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.570545][ T5225] __dentry_kill+0x170/0x5fc [ 54.571417][ T5225] shrink_kill+0xe8/0x318 [ 54.572235][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.573203][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.574175][ T5225] do_one_tree+0x24/0x58 [ 54.575007][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.576083][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.577098][ T5225] kill_block_super+0x44/0x90 [ 54.577978][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.578821][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.579888][ T5225] deactivate_super+0xd8/0xf8 [ 54.580829][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.581706][ T5225] __cleanup_mnt+0x20/0x30 [ 54.582596][ T5225] task_work_run+0x1c4/0x254 [ 54.583495][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.584585][ T5225] el0_svc+0x18c/0x260 [ 54.585425][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.586464][ T5225] el0t_64_sync+0x198/0x19c [ 54.587317][ T5225] irq event stamp: 391544 [ 54.588062][ T5225] hardirqs last enabled at (391543): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 54.590000][ T5225] hardirqs last disabled at (391544): [] el1_brk64+0x20/0x54 [ 54.591713][ T5225] softirqs last enabled at (391536): [] kernel_neon_begin+0x294/0x3fc [ 54.593628][ T5225] softirqs last disabled at (391534): [] kernel_neon_begin+0x11c/0x3fc [ 54.595504][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.639737][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.639850][ T5225] ------------[ cut here ]------------ [ 54.639855][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 54.646003][ T5225] Modules linked in: [ 54.646808][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.648941][ T5225] Tainted: [W]=WARN [ 54.649668][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.651555][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.653044][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.654246][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.655499][ T5225] sp : ffff800099487060 [ 54.656300][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.657850][ T5225] x26: ffff0000ec3d6900 x25: ffff0000ec3d6928 x24: ffff800088a09b80 [ 54.659376][ T5225] x23: ffff0000d8dd0000 x22: 000000000000feeb x21: ffff0000d8dd0068 [ 54.660948][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 54.662489][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.664012][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.665542][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.667074][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 54.668604][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 54.670145][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.671686][ T5225] Call trace: [ 54.672299][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.673521][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.674562][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.675658][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.676767][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.677829][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.678787][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.679698][ T5225] sync_lazytime+0x1a8/0x68c [ 54.680521][ T5225] iput+0x1cc/0xb90 [ 54.681232][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.682198][ T5225] __dentry_kill+0x170/0x5fc [ 54.683036][ T5225] shrink_kill+0xe8/0x318 [ 54.683830][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.684855][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.685800][ T5225] do_one_tree+0x24/0x58 [ 54.686641][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.687716][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.688726][ T5225] kill_block_super+0x44/0x90 [ 54.689541][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.690322][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.691300][ T5225] deactivate_super+0xd8/0xf8 [ 54.692165][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.692971][ T5225] __cleanup_mnt+0x20/0x30 [ 54.693773][ T5225] task_work_run+0x1c4/0x254 [ 54.694619][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.695664][ T5225] el0_svc+0x18c/0x260 [ 54.696430][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.697361][ T5225] el0t_64_sync+0x198/0x19c [ 54.698183][ T5225] irq event stamp: 396942 [ 54.699017][ T5225] hardirqs last enabled at (396941): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 54.701055][ T5225] hardirqs last disabled at (396942): [] el1_brk64+0x20/0x54 [ 54.702747][ T5225] softirqs last enabled at (396934): [] kernel_neon_begin+0x294/0x3fc [ 54.704574][ T5225] softirqs last disabled at (396932): [] kernel_neon_begin+0x11c/0x3fc [ 54.706449][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.751194][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.751312][ T5225] ------------[ cut here ]------------ [ 54.751317][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 54.757267][ T5225] Modules linked in: [ 54.758033][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.760124][ T5225] Tainted: [W]=WARN [ 54.760866][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.762805][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.764266][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.765561][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.766870][ T5225] sp : ffff800099487060 [ 54.767700][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.769304][ T5225] x26: ffff0000ec3d43a0 x25: ffff0000ec3d43c8 x24: ffff800088a09b80 [ 54.770936][ T5225] x23: ffff0000d9bf2000 x22: 000000000000feeb x21: ffff0000d9bf2068 [ 54.772572][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 54.774151][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.775702][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.777189][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.778737][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 54.780336][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 54.781942][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.783502][ T5225] Call trace: [ 54.784152][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.785444][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.786494][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.787646][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.788766][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.789877][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.790828][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.791851][ T5225] sync_lazytime+0x1a8/0x68c [ 54.792726][ T5225] iput+0x1cc/0xb90 [ 54.793477][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.794484][ T5225] __dentry_kill+0x170/0x5fc [ 54.795358][ T5225] shrink_kill+0xe8/0x318 [ 54.796211][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.797209][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.798099][ T5225] do_one_tree+0x24/0x58 [ 54.798894][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.799905][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.800902][ T5225] kill_block_super+0x44/0x90 [ 54.801802][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.802644][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.803643][ T5225] deactivate_super+0xd8/0xf8 [ 54.804480][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.805299][ T5225] __cleanup_mnt+0x20/0x30 [ 54.806131][ T5225] task_work_run+0x1c4/0x254 [ 54.807026][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.807974][ T5225] el0_svc+0x18c/0x260 [ 54.808654][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.809629][ T5225] el0t_64_sync+0x198/0x19c [ 54.810463][ T5225] irq event stamp: 404078 [ 54.811262][ T5225] hardirqs last enabled at (404077): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 54.813188][ T5225] hardirqs last disabled at (404078): [] el1_brk64+0x20/0x54 [ 54.814878][ T5225] softirqs last enabled at (404070): [] kernel_neon_begin+0x294/0x3fc [ 54.816653][ T5225] softirqs last disabled at (404068): [] kernel_neon_begin+0x11c/0x3fc [ 54.818560][ T5225] ---[ end trace 0000000000000000 ]--- [ 54.847144][ T5497] set_capacity_and_notify: 35 callbacks suppressed [ 54.848745][ T5497] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.879821][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.879931][ T5225] ------------[ cut here ]------------ [ 54.879935][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 54.886027][ T5225] Modules linked in: [ 54.886775][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 54.888820][ T5225] Tainted: [W]=WARN [ 54.889598][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.891577][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.893117][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 54.894370][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 54.895608][ T5225] sp : ffff800099487060 [ 54.896395][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 54.898001][ T5225] x26: ffff0000ec3d1e40 x25: ffff0000ec3d1e68 x24: ffff800088a09b80 [ 54.899656][ T5225] x23: ffff0000d75e6000 x22: 000000000000feeb x21: ffff0000d75e6068 [ 54.901267][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 54.902878][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 54.904446][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 54.906036][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 54.907600][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 54.909151][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 54.910766][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 54.912337][ T5225] Call trace: [ 54.912994][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 54.914279][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 54.915316][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 54.916438][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 54.917561][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 54.918644][ T5225] ext4_dirty_inode+0xd4/0x104 [ 54.919586][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 54.920632][ T5225] sync_lazytime+0x1a8/0x68c [ 54.921531][ T5225] iput+0x1cc/0xb90 [ 54.922274][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 54.923297][ T5225] __dentry_kill+0x170/0x5fc [ 54.924190][ T5225] shrink_kill+0xe8/0x318 [ 54.924995][ T5225] shrink_dentry_list+0x154/0x2a4 [ 54.925970][ T5225] shrink_dcache_tree+0x40c/0x570 [ 54.927012][ T5225] do_one_tree+0x24/0x58 [ 54.927849][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 54.928935][ T5225] generic_shutdown_super+0x70/0x2b8 [ 54.930009][ T5225] kill_block_super+0x44/0x90 [ 54.930956][ T5225] ext4_kill_sb+0x68/0xa4 [ 54.931767][ T5225] deactivate_locked_super+0xc4/0x140 [ 54.932819][ T5225] deactivate_super+0xd8/0xf8 [ 54.933713][ T5225] cleanup_mnt+0x328/0x3b8 [ 54.934545][ T5225] __cleanup_mnt+0x20/0x30 [ 54.935401][ T5225] task_work_run+0x1c4/0x254 [ 54.936301][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 54.937328][ T5225] el0_svc+0x18c/0x260 [ 54.938071][ T5225] el0t_64_sync_handler+0x48/0x148 [ 54.939010][ T5225] el0t_64_sync+0x198/0x19c [ 54.939842][ T5225] irq event stamp: 410316 [ 54.940635][ T5225] hardirqs last enabled at (410315): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 54.942598][ T5225] hardirqs last disabled at (410316): [] el1_brk64+0x20/0x54 [ 54.944245][ T5225] softirqs last enabled at (410308): [] kernel_neon_begin+0x294/0x3fc [ 54.946101][ T5225] softirqs last disabled at (410306): [] kernel_neon_begin+0x11c/0x3fc [ 54.947929][ T5225] ---[ end trace 0000000000000000 ]--- [ 54.966521][ T5501] loop0: detected capacity change from 0 to 1024 [ 54.994068][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 54.996314][ T5225] ------------[ cut here ]------------ [ 54.996322][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 54.999253][ T5225] Modules linked in: [ 54.999978][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.001998][ T5225] Tainted: [W]=WARN [ 55.002761][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.004762][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.006319][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.007616][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.008936][ T5225] sp : ffff800099487060 [ 55.009764][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.011343][ T5225] x26: ffff0000e1ec5fa8 x25: ffff0000e1ec5fd0 x24: ffff800088a09b80 [ 55.012864][ T5225] x23: ffff0000dc3ba000 x22: 000000000000feeb x21: ffff0000dc3ba068 [ 55.014418][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 55.015989][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 55.017590][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 55.019207][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.020762][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.022336][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 55.023866][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.025370][ T5225] Call trace: [ 55.025976][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.027274][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.028327][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.029409][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.030491][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.031590][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.032566][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.033621][ T5225] sync_lazytime+0x1a8/0x68c [ 55.034582][ T5225] iput+0x1cc/0xb90 [ 55.035365][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.036390][ T5225] __dentry_kill+0x170/0x5fc [ 55.037297][ T5225] shrink_kill+0xe8/0x318 [ 55.038127][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.039121][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.040110][ T5225] do_one_tree+0x24/0x58 [ 55.040960][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.042030][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.043089][ T5225] kill_block_super+0x44/0x90 [ 55.044041][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.044846][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.045839][ T5225] deactivate_super+0xd8/0xf8 [ 55.046789][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.047646][ T5225] __cleanup_mnt+0x20/0x30 [ 55.048514][ T5225] task_work_run+0x1c4/0x254 [ 55.049439][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.050523][ T5225] el0_svc+0x18c/0x260 [ 55.051346][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.052350][ T5225] el0t_64_sync+0x198/0x19c [ 55.053255][ T5225] irq event stamp: 415648 [ 55.054102][ T5225] hardirqs last enabled at (415647): [] finish_task_switch+0x22c/0x768 [ 55.055986][ T5225] hardirqs last disabled at (415648): [] el1_brk64+0x20/0x54 [ 55.057680][ T5225] softirqs last enabled at (415638): [] kernel_neon_begin+0x294/0x3fc [ 55.059533][ T5225] softirqs last disabled at (415636): [] kernel_neon_begin+0x11c/0x3fc [ 55.061370][ T5225] ---[ end trace 0000000000000000 ]--- [ 55.080101][ T5505] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 55.109189][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.109308][ T5225] ------------[ cut here ]------------ [ 55.109313][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 55.115436][ T5225] Modules linked in: [ 55.116231][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.118309][ T5225] Tainted: [W]=WARN [ 55.119057][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.121004][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.122577][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.123814][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.125079][ T5225] sp : ffff800099487060 [ 55.125910][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.127529][ T5225] x26: ffff0000ec3c9e40 x25: ffff0000ec3c9e68 x24: ffff800088a09b80 [ 55.129147][ T5225] x23: ffff0000d34dc000 x22: 000000000000feeb x21: ffff0000d34dc068 [ 55.130756][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 55.132366][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.133955][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.135592][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.137212][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 55.138851][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 55.140428][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.142014][ T5225] Call trace: [ 55.142664][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.143927][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.144944][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.146097][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.147210][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.148322][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.149269][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.150269][ T5225] sync_lazytime+0x1a8/0x68c [ 55.151174][ T5225] iput+0x1cc/0xb90 [ 55.151923][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.152882][ T5225] __dentry_kill+0x170/0x5fc [ 55.153779][ T5225] shrink_kill+0xe8/0x318 [ 55.154623][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.155578][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.156620][ T5225] do_one_tree+0x24/0x58 [ 55.157468][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.158518][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.159535][ T5225] kill_block_super+0x44/0x90 [ 55.160456][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.161301][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.162336][ T5225] deactivate_super+0xd8/0xf8 [ 55.163274][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.164129][ T5225] __cleanup_mnt+0x20/0x30 [ 55.165017][ T5225] task_work_run+0x1c4/0x254 [ 55.165943][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.167061][ T5225] el0_svc+0x18c/0x260 [ 55.167890][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.168902][ T5225] el0t_64_sync+0x198/0x19c [ 55.169790][ T5225] irq event stamp: 421154 [ 55.170610][ T5225] hardirqs last enabled at (421153): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 55.172653][ T5225] hardirqs last disabled at (421154): [] el1_brk64+0x20/0x54 [ 55.174443][ T5225] softirqs last enabled at (421146): [] kernel_neon_begin+0x294/0x3fc [ 55.176333][ T5225] softirqs last disabled at (421144): [] kernel_neon_begin+0x11c/0x3fc [ 55.178299][ T5225] ---[ end trace 0000000000000000 ]--- [ 55.196109][ T5509] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 55.219469][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.219597][ T5225] ------------[ cut here ]------------ [ 55.219601][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 55.225742][ T5225] Modules linked in: [ 55.226549][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.228654][ T5225] Tainted: [W]=WARN [ 55.229396][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.231385][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.232963][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.234294][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.235562][ T5225] sp : ffff800099487060 [ 55.236380][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.237955][ T5225] x26: ffff0000ec3dccf8 x25: ffff0000ec3dcd20 x24: ffff800088a09b80 [ 55.239537][ T5225] x23: ffff0000d08b4000 x22: 000000000000feeb x21: ffff0000d08b4068 [ 55.241120][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 55.242570][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.244131][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.245699][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.247256][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 55.248818][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 55.250292][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.251828][ T5225] Call trace: [ 55.252481][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.253741][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.254764][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.255883][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.256996][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.258065][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.258923][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.259839][ T5225] sync_lazytime+0x1a8/0x68c [ 55.260638][ T5225] iput+0x1cc/0xb90 [ 55.261324][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.262241][ T5225] __dentry_kill+0x170/0x5fc [ 55.263088][ T5225] shrink_kill+0xe8/0x318 [ 55.263904][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.264880][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.265854][ T5225] do_one_tree+0x24/0x58 [ 55.266657][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.267721][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.268774][ T5225] kill_block_super+0x44/0x90 [ 55.269649][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.270474][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.271506][ T5225] deactivate_super+0xd8/0xf8 [ 55.272400][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.273219][ T5225] __cleanup_mnt+0x20/0x30 [ 55.274041][ T5225] task_work_run+0x1c4/0x254 [ 55.274916][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.275950][ T5225] el0_svc+0x18c/0x260 [ 55.276683][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.277639][ T5225] el0t_64_sync+0x198/0x19c [ 55.278445][ T5225] irq event stamp: 427448 [ 55.279222][ T5225] hardirqs last enabled at (427447): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 55.281134][ T5225] hardirqs last disabled at (427448): [] el1_brk64+0x20/0x54 [ 55.282867][ T5225] softirqs last enabled at (427440): [] kernel_neon_begin+0x294/0x3fc [ 55.284774][ T5225] softirqs last disabled at (427438): [] kernel_neon_begin+0x11c/0x3fc [ 55.286570][ T5225] ---[ end trace 0000000000000000 ]--- [ 55.302526][ T5513] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 55.334054][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.334174][ T5225] ------------[ cut here ]------------ [ 55.334178][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 55.340031][ T5225] Modules linked in: [ 55.340781][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.342704][ T5225] Tainted: [W]=WARN [ 55.343397][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.345377][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.346966][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.348295][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.349634][ T5225] sp : ffff800099487060 [ 55.350482][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.352029][ T5225] x26: ffff0000ec3da798 x25: ffff0000ec3da7c0 x24: ffff800088a09b80 [ 55.353668][ T5225] x23: ffff0000d3800000 x22: 000000000000feeb x21: ffff0000d3800068 [ 55.355347][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 55.356917][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.358555][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.360187][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.361827][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 55.363455][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 55.365036][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.366582][ T5225] Call trace: [ 55.367179][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.368514][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.369533][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.370716][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.371825][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.372917][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.373846][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.374836][ T5225] sync_lazytime+0x1a8/0x68c [ 55.375774][ T5225] iput+0x1cc/0xb90 [ 55.376560][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.377582][ T5225] __dentry_kill+0x170/0x5fc [ 55.378472][ T5225] shrink_kill+0xe8/0x318 [ 55.379342][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.380311][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.381275][ T5225] do_one_tree+0x24/0x58 [ 55.382115][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.383195][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.384190][ T5225] kill_block_super+0x44/0x90 [ 55.385070][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.385888][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.386963][ T5225] deactivate_super+0xd8/0xf8 [ 55.387883][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.388715][ T5225] __cleanup_mnt+0x20/0x30 [ 55.389569][ T5225] task_work_run+0x1c4/0x254 [ 55.390482][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.391493][ T5225] el0_svc+0x18c/0x260 [ 55.392304][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.393309][ T5225] el0t_64_sync+0x198/0x19c [ 55.394214][ T5225] irq event stamp: 432760 [ 55.395035][ T5225] hardirqs last enabled at (432759): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 55.397127][ T5225] hardirqs last disabled at (432760): [] el1_brk64+0x20/0x54 [ 55.398907][ T5225] softirqs last enabled at (432752): [] kernel_neon_begin+0x294/0x3fc [ 55.400911][ T5225] softirqs last disabled at (432750): [] kernel_neon_begin+0x11c/0x3fc [ 55.402893][ T5225] ---[ end trace 0000000000000000 ]--- [ 55.423378][ T5517] loop0: detected capacity change from 0 to 1024 [ 55.440889][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481 ** replaying previous printk message ** [ 55.440889][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.442391][ T5225] ------------[ cut here ]------------ [ 55.442399][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 55.448159][ T5225] Modules linked in: [ 55.448864][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.450637][ T5225] Tainted: [W]=WARN [ 55.451289][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.453274][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.454820][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.456053][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.457282][ T5225] sp : ffff800099487060 [ 55.458059][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.459510][ T5225] x26: ffff0000ec3d8238 x25: ffff0000ec3d8260 x24: ffff800088a09b80 [ 55.461070][ T5225] x23: ffff0000d1798000 x22: 000000000000feeb x21: ffff0000d1798068 [ 55.462621][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 55.464181][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 55.465731][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 55.467353][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.468981][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.470617][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 55.472206][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.473794][ T5225] Call trace: [ 55.474429][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.475714][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.476751][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.477908][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.478982][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.480058][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.480966][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.481948][ T5225] sync_lazytime+0x1a8/0x68c [ 55.482823][ T5225] iput+0x1cc/0xb90 [ 55.483584][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.484599][ T5225] __dentry_kill+0x170/0x5fc [ 55.485494][ T5225] shrink_kill+0xe8/0x318 [ 55.486355][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.487325][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.488303][ T5225] do_one_tree+0x24/0x58 [ 55.489139][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.490194][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.491180][ T5225] kill_block_super+0x44/0x90 [ 55.492090][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.492909][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.493951][ T5225] deactivate_super+0xd8/0xf8 [ 55.494854][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.495716][ T5225] __cleanup_mnt+0x20/0x30 [ 55.496573][ T5225] task_work_run+0x1c4/0x254 [ 55.497476][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.498521][ T5225] el0_svc+0x18c/0x260 [ 55.499348][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.500367][ T5225] el0t_64_sync+0x198/0x19c [ 55.501295][ T5225] irq event stamp: 438000 [ 55.502151][ T5225] hardirqs last enabled at (437999): [] finish_task_switch+0x22c/0x768 [ 55.504144][ T5225] hardirqs last disabled at (438000): [] el1_brk64+0x20/0x54 [ 55.505835][ T5225] softirqs last enabled at (437990): [] kernel_neon_begin+0x294/0x3fc [ 55.507748][ T5225] softirqs last disabled at (437988): [] kernel_neon_begin+0x11c/0x3fc [ 55.509667][ T5225] ---[ end trace 0000000000000000 ]--- [ 55.529194][ T5521] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 55.549633][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.549750][ T5225] ------------[ cut here ]------------ [ 55.549754][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 55.555970][ T5225] Modules linked in: [ 55.556755][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.558804][ T5225] Tainted: [W]=WARN [ 55.559529][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.561450][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.562983][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.564232][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.565502][ T5225] sp : ffff800099487060 [ 55.566308][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.567867][ T5225] x26: ffff0000f18243a0 x25: ffff0000f18243c8 x24: ffff800088a09b80 [ 55.569400][ T5225] x23: ffff0000d8b50000 x22: 000000000000feeb x21: ffff0000d8b50068 [ 55.570962][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 55.572514][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.573999][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.575603][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.577251][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 55.578889][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 55.580464][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.582023][ T5225] Call trace: [ 55.582674][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.583957][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.584930][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.586068][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.587151][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.588227][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.589224][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.590289][ T5225] sync_lazytime+0x1a8/0x68c [ 55.591183][ T5225] iput+0x1cc/0xb90 [ 55.591919][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.592906][ T5225] __dentry_kill+0x170/0x5fc [ 55.593783][ T5225] shrink_kill+0xe8/0x318 [ 55.594613][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.595578][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.596563][ T5225] do_one_tree+0x24/0x58 [ 55.597393][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.598457][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.599480][ T5225] kill_block_super+0x44/0x90 [ 55.600403][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.601249][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.602304][ T5225] deactivate_super+0xd8/0xf8 [ 55.603208][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.604058][ T5225] __cleanup_mnt+0x20/0x30 [ 55.604922][ T5225] task_work_run+0x1c4/0x254 [ 55.605842][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.606911][ T5225] el0_svc+0x18c/0x260 [ 55.607751][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.608788][ T5225] el0t_64_sync+0x198/0x19c [ 55.609686][ T5225] irq event stamp: 443342 [ 55.610494][ T5225] hardirqs last enabled at (443341): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 55.612602][ T5225] hardirqs last disabled at (443342): [] el1_brk64+0x20/0x54 [ 55.614385][ T5225] softirqs last enabled at (443334): [] kernel_neon_begin+0x294/0x3fc [ 55.616338][ T5225] softirqs last disabled at (443332): [] kernel_neon_begin+0x11c/0x3fc [ 55.618279][ T5225] ---[ end trace 0000000000000000 ]--- 1970/01/01 00:00:55 executed programs: 54 [ 55.639511][ T5525] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 55.654701][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.654817][ T5225] ------------[ cut here ]------------ [ 55.654822][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 55.660659][ T5225] Modules linked in: [ 55.661451][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.663558][ T5225] Tainted: [W]=WARN [ 55.664316][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.666330][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.667839][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.669119][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.670422][ T5225] sp : ffff800099487060 [ 55.671216][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.672751][ T5225] x26: ffff0000f1821e40 x25: ffff0000f1821e68 x24: ffff800088a09b80 [ 55.674353][ T5225] x23: ffff0000d4b8c000 x22: 000000000000feeb x21: ffff0000d4b8c068 [ 55.675945][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 55.677610][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.679248][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.680829][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.682412][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 55.683948][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 55.685543][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.687135][ T5225] Call trace: [ 55.687796][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.689110][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.690141][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.691276][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.692423][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.693475][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.694451][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.695478][ T5225] sync_lazytime+0x1a8/0x68c [ 55.696404][ T5225] iput+0x1cc/0xb90 [ 55.697174][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.698184][ T5225] __dentry_kill+0x170/0x5fc [ 55.699123][ T5225] shrink_kill+0xe8/0x318 [ 55.699922][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.700826][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.701699][ T5225] do_one_tree+0x24/0x58 [ 55.702490][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.703516][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.704468][ T5225] kill_block_super+0x44/0x90 [ 55.705367][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.706245][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.707359][ T5225] deactivate_super+0xd8/0xf8 [ 55.708256][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.709074][ T5225] __cleanup_mnt+0x20/0x30 [ 55.709912][ T5225] task_work_run+0x1c4/0x254 [ 55.710813][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.711805][ T5225] el0_svc+0x18c/0x260 [ 55.712589][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.713601][ T5225] el0t_64_sync+0x198/0x19c [ 55.714494][ T5225] irq event stamp: 448860 [ 55.715376][ T5225] hardirqs last enabled at (448859): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 55.717416][ T5225] hardirqs last disabled at (448860): [] el1_brk64+0x20/0x54 [ 55.719084][ T5225] softirqs last enabled at (448852): [] kernel_neon_begin+0x294/0x3fc [ 55.720976][ T5225] softirqs last disabled at (448850): [] kernel_neon_begin+0x11c/0x3fc [ 55.722898][ T5225] ---[ end trace 0000000000000000 ]--- [ 55.746896][ T5529] loop0: detected capacity change from 0 to 1024 [ 55.781845][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.784537][ T5225] ------------[ cut here ]------------ [ 55.784547][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 55.787668][ T5225] Modules linked in: [ 55.788415][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.790352][ T5225] Tainted: [W]=WARN [ 55.791121][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.793108][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.794606][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.795939][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.797169][ T5225] sp : ffff800099487060 [ 55.797949][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.799520][ T5225] x26: ffff0000ec3df258 x25: ffff0000ec3df280 x24: ffff800088a09b80 [ 55.801045][ T5225] x23: ffff0000ce9fa000 x22: 000000000000feeb x21: ffff0000ce9fa068 [ 55.802607][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 55.804149][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 55.805601][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 55.807009][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.808713][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.810279][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 55.811856][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.813444][ T5225] Call trace: [ 55.814084][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.815402][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.816498][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.817710][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.818850][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.819969][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.820863][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.821835][ T5225] sync_lazytime+0x1a8/0x68c [ 55.822722][ T5225] iput+0x1cc/0xb90 [ 55.823458][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.824498][ T5225] __dentry_kill+0x170/0x5fc [ 55.825395][ T5225] shrink_kill+0xe8/0x318 [ 55.826235][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.827178][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.828132][ T5225] do_one_tree+0x24/0x58 [ 55.828939][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.829939][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.830931][ T5225] kill_block_super+0x44/0x90 [ 55.831823][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.832668][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.833718][ T5225] deactivate_super+0xd8/0xf8 [ 55.834633][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.835517][ T5225] __cleanup_mnt+0x20/0x30 [ 55.836373][ T5225] task_work_run+0x1c4/0x254 [ 55.837314][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.838374][ T5225] el0_svc+0x18c/0x260 [ 55.839189][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.840225][ T5225] el0t_64_sync+0x198/0x19c [ 55.841114][ T5225] irq event stamp: 454398 [ 55.841894][ T5225] hardirqs last enabled at (454397): [] finish_task_switch+0x22c/0x768 [ 55.843803][ T5225] hardirqs last disabled at (454398): [] el1_brk64+0x20/0x54 [ 55.845611][ T5225] softirqs last enabled at (454388): [] kernel_neon_begin+0x294/0x3fc [ 55.847461][ T5225] softirqs last disabled at (454386): [] kernel_neon_begin+0x11c/0x3fc [ 55.849385][ T5225] ---[ end trace 0000000000000000 ]--- [ 55.868638][ T5533] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 55.878443][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.878565][ T5225] ------------[ cut here ]------------ [ 55.878570][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 55.884519][ T5225] Modules linked in: [ 55.885247][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.887159][ T5225] Tainted: [W]=WARN [ 55.887885][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.889789][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.891322][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.892583][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 55.893892][ T5225] sp : ffff800099487060 [ 55.894733][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 55.896385][ T5225] x26: ffff0000f182c3a0 x25: ffff0000f182c3c8 x24: ffff800088a09b80 [ 55.897952][ T5225] x23: ffff0000ccb0e000 x22: 000000000000feeb x21: ffff0000ccb0e068 [ 55.899526][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 55.901062][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 55.902617][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 55.904119][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 55.905636][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 55.907139][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 55.908662][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 55.910146][ T5225] Call trace: [ 55.910747][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 55.912037][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 55.913097][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 55.914171][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 55.915285][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 55.916442][ T5225] ext4_dirty_inode+0xd4/0x104 [ 55.917402][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 55.918392][ T5225] sync_lazytime+0x1a8/0x68c [ 55.919285][ T5225] iput+0x1cc/0xb90 [ 55.920028][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 55.921047][ T5225] __dentry_kill+0x170/0x5fc [ 55.921969][ T5225] shrink_kill+0xe8/0x318 [ 55.922845][ T5225] shrink_dentry_list+0x154/0x2a4 [ 55.923896][ T5225] shrink_dcache_tree+0x40c/0x570 [ 55.924906][ T5225] do_one_tree+0x24/0x58 [ 55.925722][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 55.926807][ T5225] generic_shutdown_super+0x70/0x2b8 [ 55.927850][ T5225] kill_block_super+0x44/0x90 [ 55.928769][ T5225] ext4_kill_sb+0x68/0xa4 [ 55.929668][ T5225] deactivate_locked_super+0xc4/0x140 [ 55.930720][ T5225] deactivate_super+0xd8/0xf8 [ 55.931642][ T5225] cleanup_mnt+0x328/0x3b8 [ 55.932514][ T5225] __cleanup_mnt+0x20/0x30 [ 55.933382][ T5225] task_work_run+0x1c4/0x254 [ 55.934313][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 55.935400][ T5225] el0_svc+0x18c/0x260 [ 55.936212][ T5225] el0t_64_sync_handler+0x48/0x148 [ 55.937139][ T5225] el0t_64_sync+0x198/0x19c [ 55.937966][ T5225] irq event stamp: 459464 [ 55.938787][ T5225] hardirqs last enabled at (459463): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 55.940797][ T5225] hardirqs last disabled at (459464): [] el1_brk64+0x20/0x54 [ 55.942650][ T5225] softirqs last enabled at (459456): [] kernel_neon_begin+0x294/0x3fc [ 55.944702][ T5225] softirqs last disabled at (459454): [] kernel_neon_begin+0x11c/0x3fc [ 55.946672][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 55.984659][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 55.984794][ T5225] ------------[ cut here ]------------ [ 55.984799][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 55.990711][ T5225] Modules linked in: [ 55.991528][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 55.993563][ T5225] Tainted: [W]=WARN [ 55.994307][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.996388][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.997968][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 55.999244][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.000489][ T5225] sp : ffff800099487060 [ 56.001248][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.002761][ T5225] x26: ffff0000f1829e40 x25: ffff0000f1829e68 x24: ffff800088a09b80 [ 56.004233][ T5225] x23: ffff0000d594e000 x22: 000000000000feeb x21: ffff0000d594e068 [ 56.005618][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 56.007157][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.008724][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.010354][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.012010][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.013620][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.015156][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.016754][ T5225] Call trace: [ 56.017396][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.018667][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.019742][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.020905][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.022008][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.023127][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.024117][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.025159][ T5225] sync_lazytime+0x1a8/0x68c [ 56.026065][ T5225] iput+0x1cc/0xb90 [ 56.026790][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.027747][ T5225] __dentry_kill+0x170/0x5fc [ 56.028627][ T5225] shrink_kill+0xe8/0x318 [ 56.029459][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.030418][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.031446][ T5225] do_one_tree+0x24/0x58 [ 56.032302][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.033412][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.034485][ T5225] kill_block_super+0x44/0x90 [ 56.035437][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.036304][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.037338][ T5225] deactivate_super+0xd8/0xf8 [ 56.038264][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.039121][ T5225] __cleanup_mnt+0x20/0x30 [ 56.040001][ T5225] task_work_run+0x1c4/0x254 [ 56.040910][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.041963][ T5225] el0_svc+0x18c/0x260 [ 56.042752][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.043768][ T5225] el0t_64_sync+0x198/0x19c [ 56.044698][ T5225] irq event stamp: 464660 [ 56.045582][ T5225] hardirqs last enabled at (464659): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.047625][ T5225] hardirqs last disabled at (464660): [] el1_brk64+0x20/0x54 [ 56.049419][ T5225] softirqs last enabled at (464652): [] kernel_neon_begin+0x294/0x3fc [ 56.051262][ T5225] softirqs last disabled at (464650): [] kernel_neon_begin+0x11c/0x3fc [ 56.053240][ T5225] ---[ end trace 0000000000000000 ]--- [ 5 ** replaying previous printk message ** [ 56.092496][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.092611][ T5225] ------------[ cut here ]------------ [ 56.092615][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.098379][ T5225] Modules linked in: [ 56.099041][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.100937][ T5225] Tainted: [W]=WARN [ 56.101631][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.103562][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.105053][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 56.106351][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.107571][ T5225] sp : ffff800099487060 [ 56.108342][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.109981][ T5225] x26: ffff0000f1827258 x25: ffff0000f1827280 x24: ffff800088a09b80 [ 56.111563][ T5225] x23: ffff0000d4c34000 x22: 000000000000feeb x21: ffff0000d4c34068 [ 56.113124][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 56.114720][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.116322][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.117946][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.119599][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.121260][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.122901][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.124438][ T5225] Call trace: [ 56.125039][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.126252][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.127256][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.128298][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.129370][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.130457][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.131408][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.132429][ T5225] sync_lazytime+0x1a8/0x68c [ 56.133268][ T5225] iput+0x1cc/0xb90 [ 56.134002][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.134990][ T5225] __dentry_kill+0x170/0x5fc [ 56.135917][ T5225] shrink_kill+0xe8/0x318 [ 56.136782][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.137791][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.138789][ T5225] do_one_tree+0x24/0x58 [ 56.139636][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.140719][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.141827][ T5225] kill_block_super+0x44/0x90 [ 56.142706][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.143557][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.144597][ T5225] deactivate_super+0xd8/0xf8 [ 56.145553][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.146432][ T5225] __cleanup_mnt+0x20/0x30 [ 56.147307][ T5225] task_work_run+0x1c4/0x254 [ 56.148207][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.149221][ T5225] el0_svc+0x18c/0x260 [ 56.150027][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.151055][ T5225] el0t_64_sync+0x198/0x19c [ 56.151928][ T5225] irq event stamp: 470154 [ 56.152795][ T5225] hardirqs last enabled at (470153): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.154894][ T5225] hardirqs last disabled at (470154): [] el1_brk64+0x20/0x54 [ 56.156655][ T5225] softirqs last enabled at (470146): [] kernel_neon_begin+0x294/0x3fc [ 56.158584][ T5225] softirqs last disabled at (470144): [] kernel_neon_begin+0x11c/0x3fc [ 56.160567][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 56.205262][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.205375][ T5225] ------------[ cut here ]------------ [ 56.205379][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.211137][ T5225] Modules linked in: [ 56.211845][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.213915][ T5225] Tainted: [W]=WARN [ 56.214677][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.216692][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.218260][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 56.219521][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.220795][ T5225] sp : ffff800099487060 [ 56.221615][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.223050][ T5225] x26: ffff0000e1ec30f0 x25: ffff0000e1ec3118 x24: ffff800088a09b80 [ 56.224586][ T5225] x23: ffff0000d2a40000 x22: 000000000000feeb x21: ffff0000d2a40068 [ 56.226136][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 56.227719][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.229279][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.230851][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.232398][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.233934][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.235537][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.237148][ T5225] Call trace: [ 56.237837][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.239195][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.240234][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.241429][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.242562][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.243653][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.244621][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.245639][ T5225] sync_lazytime+0x1a8/0x68c [ 56.246593][ T5225] iput+0x1cc/0xb90 [ 56.247343][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.248355][ T5225] __dentry_kill+0x170/0x5fc [ 56.249315][ T5225] shrink_kill+0xe8/0x318 [ 56.250188][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.251203][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.252189][ T5225] do_one_tree+0x24/0x58 [ 56.253058][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.254112][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.255166][ T5225] kill_block_super+0x44/0x90 [ 56.256096][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.256945][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.257976][ T5225] deactivate_super+0xd8/0xf8 [ 56.258889][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.259749][ T5225] __cleanup_mnt+0x20/0x30 [ 56.260621][ T5225] task_work_run+0x1c4/0x254 [ 56.261571][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.262637][ T5225] el0_svc+0x18c/0x260 [ 56.263471][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.264485][ T5225] el0t_64_sync+0x198/0x19c [ 56.265391][ T5225] irq event stamp: 475414 [ 56.266279][ T5225] hardirqs last enabled at (475413): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.268349][ T5225] hardirqs last disabled at (475414): [] el1_brk64+0x20/0x54 [ 56.270047][ T5225] softirqs last enabled at (475406): [] kernel_neon_begin+0x294/0x3fc [ 56.271985][ T5225] softirqs last disabled at (475404): [] kernel_neon_begin+0x11c/0x3fc [ 56.273957][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 56.314743][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.314857][ T5225] ------------[ cut here ]------------ [ 56.314861][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.320832][ T5225] Modules linked in: [ 56.321597][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.323649][ T5225] Tainted: [W]=WARN [ 56.324407][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.326383][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.327968][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 56.329276][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.330536][ T5225] sp : ffff800099487060 [ 56.331331][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.332943][ T5225] x26: ffff0000ec242798 x25: ffff0000ec2427c0 x24: ffff800088a09b80 [ 56.334578][ T5225] x23: ffff0000d5c70000 x22: 000000000000feeb x21: ffff0000d5c70068 [ 56.336171][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 56.337758][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.339360][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.340878][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.342464][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.344047][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.345653][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.347192][ T5225] Call trace: [ 56.347815][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.348968][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.349970][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.351066][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.352162][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.353231][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.354166][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.355174][ T5225] sync_lazytime+0x1a8/0x68c [ 56.356078][ T5225] iput+0x1cc/0xb90 [ 56.356807][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.357805][ T5225] __dentry_kill+0x170/0x5fc [ 56.358703][ T5225] shrink_kill+0xe8/0x318 [ 56.359562][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.360537][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.361497][ T5225] do_one_tree+0x24/0x58 [ 56.362361][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.363426][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.364459][ T5225] kill_block_super+0x44/0x90 [ 56.365355][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.366197][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.367235][ T5225] deactivate_super+0xd8/0xf8 [ 56.368131][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.368923][ T5225] __cleanup_mnt+0x20/0x30 [ 56.369795][ T5225] task_work_run+0x1c4/0x254 [ 56.370686][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.371671][ T5225] el0_svc+0x18c/0x260 [ 56.372472][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.373454][ T5225] el0t_64_sync+0x198/0x19c [ 56.374322][ T5225] irq event stamp: 480428 [ 56.375144][ T5225] hardirqs last enabled at (480427): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.377108][ T5225] hardirqs last disabled at (480428): [] el1_brk64+0x20/0x54 [ 56.378805][ T5225] softirqs last enabled at (480420): [] kernel_neon_begin+0x294/0x3fc [ 56.380570][ T5225] softirqs last disabled at (480418): [] kernel_neon_begin+0x11c/0x3fc [ 56.382332][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 56.438485][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.438607][ T5225] ------------[ cut here ]------------ [ 56.438612][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.444880][ T5225] Modules linked in: [ 56.445676][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.447813][ T5225] Tainted: [W]=WARN [ 56.448577][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.450583][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.452171][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 56.453472][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.454738][ T5225] sp : ffff800099487060 [ 56.455561][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.457122][ T5225] x26: ffff0000e1e41e40 x25: ffff0000e1e41e68 x24: ffff800088a09b80 [ 56.458782][ T5225] x23: ffff0000c9d6c000 x22: 000000000000feeb x21: ffff0000c9d6c068 [ 56.460442][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 56.461986][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.463682][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.465306][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.466841][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.468423][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.469954][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.471508][ T5225] Call trace: [ 56.472167][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.473425][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.474467][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.475606][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.476718][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.477828][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.478705][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.479649][ T5225] sync_lazytime+0x1a8/0x68c [ 56.480522][ T5225] iput+0x1cc/0xb90 [ 56.481262][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.482283][ T5225] __dentry_kill+0x170/0x5fc [ 56.483182][ T5225] shrink_kill+0xe8/0x318 [ 56.484023][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.485016][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.485940][ T5225] do_one_tree+0x24/0x58 [ 56.486775][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.487825][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.488820][ T5225] kill_block_super+0x44/0x90 [ 56.489721][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.490545][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.491648][ T5225] deactivate_super+0xd8/0xf8 [ 56.492586][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.493481][ T5225] __cleanup_mnt+0x20/0x30 [ 56.494299][ T5225] task_work_run+0x1c4/0x254 [ 56.495180][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.496263][ T5225] el0_svc+0x18c/0x260 [ 56.497081][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.498123][ T5225] el0t_64_sync+0x198/0x19c [ 56.499019][ T5225] irq event stamp: 485506 [ 56.499887][ T5225] hardirqs last enabled at (485505): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.501966][ T5225] hardirqs last disabled at (485506): [] el1_brk64+0x20/0x54 [ 56.503738][ T5225] softirqs last enabled at (485498): [] kernel_neon_begin+0x294/0x3fc [ 56.505729][ T5225] softirqs last disabled at (485496): [] kernel_neon_begin+0x11c/0x3fc [ 56.507685][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 56.547383][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.547498][ T5225] ------------[ cut here ]------------ [ 56.547502][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.553441][ T5225] Modules linked in: [ 56.554254][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.556248][ T5225] Tainted: [W]=WARN [ 56.556981][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.558964][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.560475][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 56.561734][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.562988][ T5225] sp : ffff800099487060 [ 56.563777][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.565385][ T5225] x26: ffff0000e1ec0b90 x25: ffff0000e1ec0bb8 x24: ffff800088a09b80 [ 56.566951][ T5225] x23: ffff0000d51ee000 x22: 000000000000feeb x21: ffff0000d51ee068 [ 56.568530][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 56.570194][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.571807][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.573406][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.574953][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.576567][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.578162][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.579756][ T5225] Call trace: [ 56.580390][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.581730][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.582758][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.583914][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.585054][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.586115][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.587060][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.588033][ T5225] sync_lazytime+0x1a8/0x68c [ 56.588970][ T5225] iput+0x1cc/0xb90 [ 56.589740][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.590787][ T5225] __dentry_kill+0x170/0x5fc [ 56.591740][ T5225] shrink_kill+0xe8/0x318 [ 56.592612][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.593620][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.594573][ T5225] do_one_tree+0x24/0x58 [ 56.595409][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.596491][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.597519][ T5225] kill_block_super+0x44/0x90 [ 56.598481][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.599320][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.600347][ T5225] deactivate_super+0xd8/0xf8 [ 56.601335][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.602221][ T5225] __cleanup_mnt+0x20/0x30 [ 56.603094][ T5225] task_work_run+0x1c4/0x254 [ 56.604045][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.605064][ T5225] el0_svc+0x18c/0x260 [ 56.605839][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.606850][ T5225] el0t_64_sync+0x198/0x19c [ 56.607758][ T5225] irq event stamp: 490386 [ 56.608635][ T5225] hardirqs last enabled at (490385): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.610639][ T5225] hardirqs last disabled at (490386): [] el1_brk64+0x20/0x54 [ 56.612353][ T5225] softirqs last enabled at (490378): [] kernel_neon_begin+0x294/0x3fc [ 56.614237][ T5225] softirqs last disabled at (490376): [] kernel_neon_begin+0x11c/0x3fc [ 56.616144][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 56.651498][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.651621][ T5225] ------------[ cut here ]------------ [ 56.651625][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.657926][ T5225] Modules linked in: [ 56.658703][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.660791][ T5225] Tainted: [W]=WARN [ 56.661560][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.663626][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.665102][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 56.666284][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.667559][ T5225] sp : ffff800099487060 [ 56.668378][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.669945][ T5225] x26: ffff0000d0179e40 x25: ffff0000d0179e68 x24: ffff800088a09b80 [ 56.671480][ T5225] x23: ffff0000d7256000 x22: 000000000000feeb x21: ffff0000d7256068 [ 56.673018][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 56.674553][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.676123][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.677648][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.679217][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.680820][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.682353][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.683937][ T5225] Call trace: [ 56.684610][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.685871][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.686906][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.688039][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.689142][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.690206][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.691169][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.692201][ T5225] sync_lazytime+0x1a8/0x68c [ 56.693113][ T5225] iput+0x1cc/0xb90 [ 56.693873][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.694872][ T5225] __dentry_kill+0x170/0x5fc [ 56.695789][ T5225] shrink_kill+0xe8/0x318 [ 56.696652][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.697628][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.698595][ T5225] do_one_tree+0x24/0x58 [ 56.699398][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.700450][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.701546][ T5225] kill_block_super+0x44/0x90 [ 56.702460][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.703324][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.704399][ T5225] deactivate_super+0xd8/0xf8 [ 56.705307][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.706141][ T5225] __cleanup_mnt+0x20/0x30 [ 56.706988][ T5225] task_work_run+0x1c4/0x254 [ 56.707896][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.708959][ T5225] el0_svc+0x18c/0x260 [ 56.709769][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.710777][ T5225] el0t_64_sync+0x198/0x19c [ 56.711662][ T5225] irq event stamp: 496900 [ 56.712545][ T5225] hardirqs last enabled at (496899): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.714586][ T5225] hardirqs last disabled at (496900): [] el1_brk64+0x20/0x54 [ 56.716336][ T5225] softirqs last enabled at (496892): [] kernel_neon_begin+0x294/0x3fc [ 56.718222][ T5225] softirqs last disabled at (496890): [] kernel_neon_begin+0x11c/0x3fc [ 56.720139][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 56.758116][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.758233][ T5225] ------------[ cut here ]------------ [ 56.758237][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.764166][ T5225] Modules linked in: [ 56.764963][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.767027][ T5225] Tainted: [W]=WARN [ 56.767781][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.769725][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.771226][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 56.772456][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.773713][ T5225] sp : ffff800099487060 [ 56.774520][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.776067][ T5225] x26: ffff0000f182e900 x25: ffff0000f182e928 x24: ffff800088a09b80 [ 56.777663][ T5225] x23: ffff0000d722a000 x22: 000000000000feeb x21: ffff0000d722a068 [ 56.779249][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 56.780805][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.782388][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.783981][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.785522][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.787031][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.788483][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.789952][ T5225] Call trace: [ 56.790535][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.791724][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.792695][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.793814][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.794858][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.795841][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.796760][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.797721][ T5225] sync_lazytime+0x1a8/0x68c [ 56.798589][ T5225] iput+0x1cc/0xb90 [ 56.799258][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.800187][ T5225] __dentry_kill+0x170/0x5fc [ 56.800996][ T5225] shrink_kill+0xe8/0x318 [ 56.801777][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.802701][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.803673][ T5225] do_one_tree+0x24/0x58 [ 56.804488][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.805560][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.806590][ T5225] kill_block_super+0x44/0x90 [ 56.807491][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.808322][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.809371][ T5225] deactivate_super+0xd8/0xf8 [ 56.810274][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.811082][ T5225] __cleanup_mnt+0x20/0x30 [ 56.811877][ T5225] task_work_run+0x1c4/0x254 [ 56.812697][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.813762][ T5225] el0_svc+0x18c/0x260 [ 56.814546][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.815487][ T5225] el0t_64_sync+0x198/0x19c [ 56.816343][ T5225] irq event stamp: 502068 [ 56.817111][ T5225] hardirqs last enabled at (502067): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.819041][ T5225] hardirqs last disabled at (502068): [] el1_brk64+0x20/0x54 [ 56.820761][ T5225] softirqs last enabled at (502060): [] kernel_neon_begin+0x294/0x3fc [ 56.822754][ T5225] softirqs last disabled at (502058): [] kernel_neon_begin+0x11c/0x3fc [ 56.824731][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 56.869265][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.869383][ T5225] ------------[ cut here ]------------ [ 56.869388][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.875567][ T5225] Modules linked in: [ 56.876343][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.878450][ T5225] Tainted: [W]=WARN [ 56.879204][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.881151][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.882673][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 56.883961][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 56.885226][ T5225] sp : ffff800099487060 [ 56.886018][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 56.887559][ T5225] x26: ffff0000dcda43a0 x25: ffff0000dcda43c8 x24: ffff800088a09b80 [ 56.889176][ T5225] x23: ffff0000d2932000 x22: 000000000000feeb x21: ffff0000d2932068 [ 56.890784][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 56.892304][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 56.893768][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 56.895258][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 56.896761][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 56.898327][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 56.899904][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 56.901552][ T5225] Call trace: [ 56.902199][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 56.903499][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 56.904551][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 56.905700][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 56.906805][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 56.907889][ T5225] ext4_dirty_inode+0xd4/0x104 [ 56.908850][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 56.909823][ T5225] sync_lazytime+0x1a8/0x68c [ 56.910738][ T5225] iput+0x1cc/0xb90 [ 56.911470][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 56.912482][ T5225] __dentry_kill+0x170/0x5fc [ 56.913423][ T5225] shrink_kill+0xe8/0x318 [ 56.914276][ T5225] shrink_dentry_list+0x154/0x2a4 [ 56.915241][ T5225] shrink_dcache_tree+0x40c/0x570 [ 56.916295][ T5225] do_one_tree+0x24/0x58 [ 56.917181][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 56.918312][ T5225] generic_shutdown_super+0x70/0x2b8 [ 56.919356][ T5225] kill_block_super+0x44/0x90 [ 56.920300][ T5225] ext4_kill_sb+0x68/0xa4 [ 56.921169][ T5225] deactivate_locked_super+0xc4/0x140 [ 56.922258][ T5225] deactivate_super+0xd8/0xf8 [ 56.923148][ T5225] cleanup_mnt+0x328/0x3b8 [ 56.923973][ T5225] __cleanup_mnt+0x20/0x30 [ 56.924834][ T5225] task_work_run+0x1c4/0x254 [ 56.925812][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 56.926864][ T5225] el0_svc+0x18c/0x260 [ 56.927647][ T5225] el0t_64_sync_handler+0x48/0x148 [ 56.928606][ T5225] el0t_64_sync+0x198/0x19c [ 56.929466][ T5225] irq event stamp: 507950 [ 56.930282][ T5225] hardirqs last enabled at (507949): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 56.932299][ T5225] hardirqs last disabled at (507950): [] el1_brk64+0x20/0x54 [ 56.933964][ T5225] softirqs last enabled at (507942): [] kernel_neon_begin+0x294/0x3fc [ 56.935848][ T5225] softirqs last disabled at (507940): [] kernel_neon_begin+0x11c/0x3fc [ 56.937695][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 56.987174][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 56.987285][ T5225] ------------[ cut here ]------------ [ 56.987289][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 56.993076][ T5225] Modules linked in: [ 56.993823][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 56.995908][ T5225] Tainted: [W]=WARN [ 56.996636][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.998637][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.000180][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.001469][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.002632][ T5225] sp : ffff800099487060 [ 57.003410][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.004910][ T5225] x26: ffff0000ec14f258 x25: ffff0000ec14f280 x24: ffff800088a09b80 [ 57.006409][ T5225] x23: ffff0000d270a000 x22: 000000000000feeb x21: ffff0000d270a068 [ 57.007948][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 57.009549][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.011089][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.012659][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.014284][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.015910][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.017492][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.019105][ T5225] Call trace: [ 57.019731][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.020928][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.021956][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.023101][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.024241][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.025302][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.026189][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.027213][ T5225] sync_lazytime+0x1a8/0x68c [ 57.028137][ T5225] iput+0x1cc/0xb90 [ 57.028924][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.029955][ T5225] __dentry_kill+0x170/0x5fc [ 57.030855][ T5225] shrink_kill+0xe8/0x318 [ 57.031738][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.032752][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.033740][ T5225] do_one_tree+0x24/0x58 [ 57.034575][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.035744][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.036833][ T5225] kill_block_super+0x44/0x90 [ 57.037834][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.038684][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.039751][ T5225] deactivate_super+0xd8/0xf8 [ 57.040712][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.041591][ T5225] __cleanup_mnt+0x20/0x30 [ 57.042487][ T5225] task_work_run+0x1c4/0x254 [ 57.043326][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.044424][ T5225] el0_svc+0x18c/0x260 [ 57.045253][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.046286][ T5225] el0t_64_sync+0x198/0x19c [ 57.047202][ T5225] irq event stamp: 513096 [ 57.048050][ T5225] hardirqs last enabled at (513095): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.050049][ T5225] hardirqs last disabled at (513096): [] el1_brk64+0x20/0x54 [ 57.051836][ T5225] softirqs last enabled at (513088): [] kernel_neon_begin+0x294/0x3fc [ 57.053858][ T5225] softirqs last disabled at (513086): [] kernel_neon_begin+0x11c/0x3fc [ 57.055747][ T5225] ---[ end trace 0000000000000000 ]--- [ 57.101720][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.101840][ T5225] ------------[ cut here ]------------ [ 57.101847][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 57.107348][ T5225] Modules linked in: [ 57.108108][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.109967][ T5225] Tainted: [W]=WARN [ 57.110651][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.112421][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.113809][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.115002][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.116225][ T5225] sp : ffff800099487060 [ 57.117040][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.118526][ T5225] x26: ffff0000ec14ccf8 x25: ffff0000ec14cd20 x24: ffff800088a09b80 [ 57.119998][ T5225] x23: ffff0000d1f8a000 x22: 000000000000feeb x21: ffff0000d1f8a068 [ 57.121614][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.123226][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.124789][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.126349][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.127840][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.129316][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.130692][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.132050][ T5225] Call trace: [ 57.132630][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.133802][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.134744][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.135731][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.136749][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.137740][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.138550][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.139405][ T5225] sync_lazytime+0x1a8/0x68c [ 57.140240][ T5225] iput+0x1cc/0xb90 [ 57.140934][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.141920][ T5225] __dentry_kill+0x170/0x5fc [ 57.142796][ T5225] shrink_kill+0xe8/0x318 [ 57.143602][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.144637][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.145583][ T5225] do_one_tree+0x24/0x58 [ 57.146356][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.147409][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.148406][ T5225] kill_block_super+0x44/0x90 [ 57.149279][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.150068][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.151042][ T5225] deactivate_super+0xd8/0xf8 [ 57.151895][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.152707][ T5225] __cleanup_mnt+0x20/0x30 [ 57.153515][ T5225] task_work_run+0x1c4/0x254 [ 57.154345][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.155464][ T5225] el0_svc+0x18c/0x260 [ 57.156203][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.157185][ T5225] el0t_64_sync+0x198/0x19c [ 57.158098][ T5225] irq event stamp: 518308 [ 57.158949][ T5225] hardirqs last enabled at (518307): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.161072][ T5225] hardirqs last disabled at (518308): [] el1_brk64+0x20/0x54 [ 57.162906][ T5225] softirqs last enabled at (518300): [] kernel_neon_begin+0x294/0x3fc [ 57.164831][ T5225] softirqs last disabled at (518298): [] kernel_neon_begin+0x11c/0x3fc [ 57.166697][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.217715][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.217829][ T5225] ------------[ cut here ]------------ [ 57.217834][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 57.223823][ T5225] Modules linked in: [ 57.224631][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.226650][ T5225] Tainted: [W]=WARN [ 57.227391][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.229455][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.230992][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.232317][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.233622][ T5225] sp : ffff800099487060 [ 57.234423][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.235922][ T5225] x26: ffff0000d0178238 x25: ffff0000d0178260 x24: ffff800088a09b80 [ 57.237545][ T5225] x23: ffff0000d8940000 x22: 000000000000feeb x21: ffff0000d8940068 [ 57.239072][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.240619][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.242182][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.243786][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.245404][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.246969][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.248593][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.250234][ T5225] Call trace: [ 57.250901][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.252172][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.253188][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.254356][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.255449][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.256530][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.257465][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.258462][ T5225] sync_lazytime+0x1a8/0x68c [ 57.259340][ T5225] iput+0x1cc/0xb90 [ 57.260073][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.261086][ T5225] __dentry_kill+0x170/0x5fc [ 57.261886][ T5225] shrink_kill+0xe8/0x318 [ 57.262678][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.263639][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.264532][ T5225] do_one_tree+0x24/0x58 [ 57.265307][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.266220][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.267120][ T5225] kill_block_super+0x44/0x90 [ 57.267933][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.268707][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.269658][ T5225] deactivate_super+0xd8/0xf8 [ 57.270470][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.271221][ T5225] __cleanup_mnt+0x20/0x30 [ 57.272048][ T5225] task_work_run+0x1c4/0x254 [ 57.272935][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.273950][ T5225] el0_svc+0x18c/0x260 [ 57.274716][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.275640][ T5225] el0t_64_sync+0x198/0x19c [ 57.276460][ T5225] irq event stamp: 523626 [ 57.277266][ T5225] hardirqs last enabled at (523625): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.279077][ T5225] hardirqs last disabled at (523626): [] el1_brk64+0x20/0x54 [ 57.280617][ T5225] softirqs last enabled at (523618): [] kernel_neon_begin+0x294/0x3fc [ 57.282301][ T5225] softirqs last disabled at (523616): [] kernel_neon_begin+0x11c/0x3fc [ 57.284103][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.331161][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.331279][ T5225] ------------[ cut here ]------------ [ 57.331284][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 57.337199][ T5225] Modules linked in: [ 57.337996][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.340035][ T5225] Tainted: [W]=WARN [ 57.340794][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.342902][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.344388][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.345718][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.346959][ T5225] sp : ffff800099487060 [ 57.347759][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.349351][ T5225] x26: ffff0000d017d650 x25: ffff0000d017d678 x24: ffff800088a09b80 [ 57.350829][ T5225] x23: ffff0000d3a52000 x22: 000000000000feeb x21: ffff0000d3a52068 [ 57.352393][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.353932][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.355527][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.357151][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.358753][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.360330][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.361966][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.363607][ T5225] Call trace: [ 57.364265][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.365572][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.366583][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.367699][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.368883][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.369991][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.370887][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.371855][ T5225] sync_lazytime+0x1a8/0x68c [ 57.372765][ T5225] iput+0x1cc/0xb90 [ 57.373498][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.374411][ T5225] __dentry_kill+0x170/0x5fc [ 57.375256][ T5225] shrink_kill+0xe8/0x318 [ 57.376090][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.377043][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.377976][ T5225] do_one_tree+0x24/0x58 [ 57.378710][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.379745][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.380773][ T5225] kill_block_super+0x44/0x90 [ 57.381671][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.382500][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.383536][ T5225] deactivate_super+0xd8/0xf8 [ 57.384507][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.385394][ T5225] __cleanup_mnt+0x20/0x30 [ 57.386249][ T5225] task_work_run+0x1c4/0x254 [ 57.387170][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.388226][ T5225] el0_svc+0x18c/0x260 [ 57.389014][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.389998][ T5225] el0t_64_sync+0x198/0x19c [ 57.390910][ T5225] irq event stamp: 528612 [ 57.391754][ T5225] hardirqs last enabled at (528611): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.393777][ T5225] hardirqs last disabled at (528612): [] el1_brk64+0x20/0x54 [ 57.395491][ T5225] softirqs last enabled at (528604): [] kernel_neon_begin+0x294/0x3fc [ 57.397366][ T5225] softirqs last disabled at (528602): [] kernel_neon_begin+0x11c/0x3fc [ 57.399196][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.439084][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.439202][ T5225] ------------[ cut here ]------------ [ 57.439206][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 57.445231][ T5225] Modules linked in: [ 57.445987][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.448064][ T5225] Tainted: [W]=WARN [ 57.448809][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.450718][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.452150][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.453357][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.454591][ T5225] sp : ffff800099487060 [ 57.455379][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.456962][ T5225] x26: ffff0000ec14a798 x25: ffff0000ec14a7c0 x24: ffff800088a09b80 [ 57.458614][ T5225] x23: ffff0000d699a000 x22: 000000000000feeb x21: ffff0000d699a068 [ 57.460231][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.461846][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.463217][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.464748][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.466335][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.467859][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.469415][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.471013][ T5225] Call trace: [ 57.471670][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.472952][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.473979][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.475072][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.476190][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.477224][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.478142][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.479121][ T5225] sync_lazytime+0x1a8/0x68c [ 57.480020][ T5225] iput+0x1cc/0xb90 [ 57.480767][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.481743][ T5225] __dentry_kill+0x170/0x5fc [ 57.482561][ T5225] shrink_kill+0xe8/0x318 [ 57.483332][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.484199][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.485115][ T5225] do_one_tree+0x24/0x58 [ 57.485919][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.486885][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.487894][ T5225] kill_block_super+0x44/0x90 [ 57.488755][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.489576][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.490583][ T5225] deactivate_super+0xd8/0xf8 [ 57.491477][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.492324][ T5225] __cleanup_mnt+0x20/0x30 [ 57.493186][ T5225] task_work_run+0x1c4/0x254 [ 57.494036][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.495040][ T5225] el0_svc+0x18c/0x260 [ 57.495807][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.496725][ T5225] el0t_64_sync+0x198/0x19c [ 57.497633][ T5225] irq event stamp: 533660 [ 57.498500][ T5225] hardirqs last enabled at (533659): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.500539][ T5225] hardirqs last disabled at (533660): [] el1_brk64+0x20/0x54 [ 57.502294][ T5225] softirqs last enabled at (533652): [] kernel_neon_begin+0x294/0x3fc [ 57.504275][ T5225] softirqs last disabled at (533650): [] kernel_neon_begin+0x11c/0x3fc [ 57.506281][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.543817][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.543931][ T5225] ------------[ cut here ]------------ [ 57.543935][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 57.549693][ T5225] Modules linked in: [ 57.550379][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.552341][ T5225] Tainted: [W]=WARN [ 57.553102][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.555178][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.556794][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.558128][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.559454][ T5225] sp : ffff800099487060 [ 57.560292][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.561945][ T5225] x26: ffff0000dcda6900 x25: ffff0000dcda6928 x24: ffff800088a09b80 [ 57.563583][ T5225] x23: ffff0000d4428000 x22: 000000000000feeb x21: ffff0000d4428068 [ 57.565182][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 57.566741][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.568331][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.569952][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.571451][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.572932][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.574366][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.575801][ T5225] Call trace: [ 57.576430][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.577720][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.578763][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.579912][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.581023][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.582110][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.583054][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.584052][ T5225] sync_lazytime+0x1a8/0x68c [ 57.584953][ T5225] iput+0x1cc/0xb90 [ 57.585697][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.586702][ T5225] __dentry_kill+0x170/0x5fc [ 57.587617][ T5225] shrink_kill+0xe8/0x318 [ 57.588454][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.589416][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.590370][ T5225] do_one_tree+0x24/0x58 [ 57.591187][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.592222][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.593269][ T5225] kill_block_super+0x44/0x90 [ 57.594070][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.594884][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.595947][ T5225] deactivate_super+0xd8/0xf8 [ 57.596853][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.597715][ T5225] __cleanup_mnt+0x20/0x30 [ 57.598604][ T5225] task_work_run+0x1c4/0x254 [ 57.599467][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.600483][ T5225] el0_svc+0x18c/0x260 [ 57.601258][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.602234][ T5225] el0t_64_sync+0x198/0x19c [ 57.603078][ T5225] irq event stamp: 541444 [ 57.603858][ T5225] hardirqs last enabled at (541443): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.605616][ T5225] hardirqs last disabled at (541444): [] el1_brk64+0x20/0x54 [ 57.607148][ T5225] softirqs last enabled at (541436): [] kernel_neon_begin+0x294/0x3fc [ 57.608867][ T5225] softirqs last disabled at (541434): [] kernel_neon_begin+0x11c/0x3fc [ 57.610717][ T5225] ---[ end trace 0000000000000000 ]--- [ 57.647337][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.649758][ T5225] ------------[ cut here ]------------ [ 57.649766][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 57.652645][ T5225] Modules linked in: [ 57.653416][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.655461][ T5225] Tainted: [W]=WARN [ 57.656226][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.658267][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.659753][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.661026][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.662348][ T5225] sp : ffff800099487060 [ 57.663152][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.664697][ T5225] x26: ffff0000ec3a94e8 x25: ffff0000ec3a9510 x24: ffff800088a09b80 [ 57.666208][ T5225] x23: ffff0000d8742000 x22: 000000000000feeb x21: ffff0000d8742068 [ 57.667807][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 57.669417][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 57.670973][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 57.672568][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.674226][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.675777][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 57.677309][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.678872][ T5225] Call trace: [ 57.679523][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.680821][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.681829][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.683014][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.684080][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.685207][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.686144][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.687136][ T5225] sync_lazytime+0x1a8/0x68c [ 57.688040][ T5225] iput+0x1cc/0xb90 [ 57.688786][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.689845][ T5225] __dentry_kill+0x170/0x5fc [ 57.690783][ T5225] shrink_kill+0xe8/0x318 [ 57.691660][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.692643][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.693590][ T5225] do_one_tree+0x24/0x58 [ 57.694390][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.695452][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.696469][ T5225] kill_block_super+0x44/0x90 [ 57.697381][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.698248][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.699325][ T5225] deactivate_super+0xd8/0xf8 [ 57.700250][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.701139][ T5225] __cleanup_mnt+0x20/0x30 [ 57.701992][ T5225] task_work_run+0x1c4/0x254 [ 57.702941][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.703974][ T5225] el0_svc+0x18c/0x260 [ 57.704794][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.705814][ T5225] el0t_64_sync+0x198/0x19c [ 57.706699][ T5225] irq event stamp: 546580 [ 57.707531][ T5225] hardirqs last enabled at (546579): [] finish_task_switch+0x22c/0x768 [ 57.709496][ T5225] hardirqs last disabled at (546580): [] el1_brk64+0x20/0x54 [ 57.711304][ T5225] softirqs last enabled at (546570): [] kernel_neon_begin+0x294/0x3fc [ 57.713294][ T5225] softirqs last disabled at (546568): [] kernel_neon_begin+0x11c/0x3fc [ 57.715219][ T5225] ---[ end trace 0000000000000000 ]--- [ 57.748101][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.750486][ T5225] ------------[ cut here ]------------ [ 57.750493][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 57.753641][ T5225] Modules linked in: [ 57.754435][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.756652][ T5225] Tainted: [W]=WARN [ 57.757415][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.759343][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.760899][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.762089][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.763312][ T5225] sp : ffff800099487060 [ 57.764095][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.765618][ T5225] x26: ffff0000dcce7258 x25: ffff0000dcce7280 x24: ffff800088a09b80 [ 57.767194][ T5225] x23: ffff0000d88aa000 x22: 000000000000feeb x21: ffff0000d88aa068 [ 57.768748][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 57.770463][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 57.771983][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 57.773490][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.775028][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.776663][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 57.778029][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.779684][ T5225] Call trace: [ 57.780351][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.781669][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.782673][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.783830][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.784990][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.786075][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.786946][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.787861][ T5225] sync_lazytime+0x1a8/0x68c [ 57.788760][ T5225] iput+0x1cc/0xb90 [ 57.789519][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.790499][ T5225] __dentry_kill+0x170/0x5fc [ 57.791413][ T5225] shrink_kill+0xe8/0x318 [ 57.792308][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.793294][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.794339][ T5225] do_one_tree+0x24/0x58 [ 57.795191][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.796327][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.797334][ T5225] kill_block_super+0x44/0x90 [ 57.798288][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.799136][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.800179][ T5225] deactivate_super+0xd8/0xf8 [ 57.801149][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.802036][ T5225] __cleanup_mnt+0x20/0x30 [ 57.802882][ T5225] task_work_run+0x1c4/0x254 [ 57.803751][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.804821][ T5225] el0_svc+0x18c/0x260 [ 57.805640][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.806657][ T5225] el0t_64_sync+0x198/0x19c [ 57.807565][ T5225] irq event stamp: 552316 [ 57.808418][ T5225] hardirqs last enabled at (552315): [] finish_task_switch+0x22c/0x768 [ 57.810360][ T5225] hardirqs last disabled at (552316): [] el1_brk64+0x20/0x54 [ 57.812115][ T5225] softirqs last enabled at (552306): [] kernel_neon_begin+0x294/0x3fc [ 57.813998][ T5225] softirqs last disabled at (552304): [] kernel_neon_begin+0x11c/0x3fc [ 57.815838][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 57.862465][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.862593][ T5225] ------------[ cut here ]------------ [ 57.862598][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 57.868681][ T5225] Modules linked in: [ 57.869452][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.871545][ T5225] Tainted: [W]=WARN [ 57.872325][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.874212][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.875746][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.876987][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.878304][ T5225] sp : ffff800099487060 [ 57.879099][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.880681][ T5225] x26: ffff0000ec3b0238 x25: ffff0000ec3b0260 x24: ffff800088a09b80 [ 57.882317][ T5225] x23: ffff0000d9c5a000 x22: 000000000000feeb x21: ffff0000d9c5a068 [ 57.883941][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 57.885634][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 57.887258][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 57.888874][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.890509][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 57.892117][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 57.893726][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 57.895339][ T5225] Call trace: [ 57.895982][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 57.897272][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 57.898364][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 57.899503][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 57.900592][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 57.901662][ T5225] ext4_dirty_inode+0xd4/0x104 [ 57.902649][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 57.903645][ T5225] sync_lazytime+0x1a8/0x68c [ 57.904527][ T5225] iput+0x1cc/0xb90 [ 57.905256][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 57.906261][ T5225] __dentry_kill+0x170/0x5fc [ 57.907147][ T5225] shrink_kill+0xe8/0x318 [ 57.908003][ T5225] shrink_dentry_list+0x154/0x2a4 [ 57.908983][ T5225] shrink_dcache_tree+0x40c/0x570 [ 57.909982][ T5225] do_one_tree+0x24/0x58 [ 57.910831][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 57.911924][ T5225] generic_shutdown_super+0x70/0x2b8 [ 57.912890][ T5225] kill_block_super+0x44/0x90 [ 57.913744][ T5225] ext4_kill_sb+0x68/0xa4 [ 57.914513][ T5225] deactivate_locked_super+0xc4/0x140 [ 57.915508][ T5225] deactivate_super+0xd8/0xf8 [ 57.916438][ T5225] cleanup_mnt+0x328/0x3b8 [ 57.917235][ T5225] __cleanup_mnt+0x20/0x30 [ 57.918018][ T5225] task_work_run+0x1c4/0x254 [ 57.918872][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 57.919919][ T5225] el0_svc+0x18c/0x260 [ 57.920702][ T5225] el0t_64_sync_handler+0x48/0x148 [ 57.921689][ T5225] el0t_64_sync+0x198/0x19c [ 57.922572][ T5225] irq event stamp: 557398 [ 57.923379][ T5225] hardirqs last enabled at (557397): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 57.925382][ T5225] hardirqs last disabled at (557398): [] el1_brk64+0x20/0x54 [ 57.927130][ T5225] softirqs last enabled at (557390): [] kernel_neon_begin+0x294/0x3fc [ 57.928995][ T5225] softirqs last disabled at (557388): [] kernel_neon_begin+0x11c/0x3fc [ 57.930939][ T5225] ---[ end trace 0000000000000000 ]--- [ 57.971741][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 57.974221][ T5225] ------------[ cut here ]------------ [ 57.974229][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 57.977159][ T5225] Modules linked in: [ 57.977876][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 57.979823][ T5225] Tainted: [W]=WARN [ 57.980526][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.982376][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.983940][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 57.985200][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 57.986511][ T5225] sp : ffff800099487060 [ 57.987264][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 57.988908][ T5225] x26: ffff0000ec3af258 x25: ffff0000ec3af280 x24: ffff800088a09b80 [ 57.990498][ T5225] x23: ffff0000d090c000 x22: 000000000000feeb x21: ffff0000d090c068 [ 57.992016][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 57.993622][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 57.995182][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 57.996785][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 57.998360][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 57.999925][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.001503][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.003049][ T5225] Call trace: [ 58.003674][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.004958][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.005999][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.007122][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.008216][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.009268][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.010178][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.011128][ T5225] sync_lazytime+0x1a8/0x68c [ 58.011976][ T5225] iput+0x1cc/0xb90 [ 58.012725][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.013698][ T5225] __dentry_kill+0x170/0x5fc [ 58.014556][ T5225] shrink_kill+0xe8/0x318 [ 58.015385][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.016377][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.017337][ T5225] do_one_tree+0x24/0x58 [ 58.018218][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.019326][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.020405][ T5225] kill_block_super+0x44/0x90 [ 58.021330][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.022166][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.023187][ T5225] deactivate_super+0xd8/0xf8 [ 58.024081][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.024964][ T5225] __cleanup_mnt+0x20/0x30 [ 58.025850][ T5225] task_work_run+0x1c4/0x254 [ 58.026753][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.027817][ T5225] el0_svc+0x18c/0x260 [ 58.028603][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.029590][ T5225] el0t_64_sync+0x198/0x19c [ 58.030467][ T5225] irq event stamp: 562358 [ 58.031299][ T5225] hardirqs last enabled at (562357): [] finish_task_switch+0x22c/0x768 [ 58.033247][ T5225] hardirqs last disabled at (562358): [] el1_brk64+0x20/0x54 [ 58.035024][ T5225] softirqs last enabled at (562348): [] kernel_neon_begin+0x294/0x3fc [ 58.037021][ T5225] softirqs last disabled at (562346): [] kernel_neon_begin+0x11c/0x3fc [ 58.038976][ T5225] ---[ end trace 0000000000000000 ]--- [ 58.096398][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.098944][ T5225] ------------[ cut here ]------------ [ 58.098955][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 58.102185][ T5225] Modules linked in: [ 58.102953][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.104913][ T5225] Tainted: [W]=WARN [ 58.105619][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.107481][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.109058][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.110367][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.111649][ T5225] sp : ffff800099487060 [ 58.112476][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.114031][ T5225] x26: ffff0000ec3b5650 x25: ffff0000ec3b5678 x24: ffff800088a09b80 [ 58.115600][ T5225] x23: ffff0000c5a3e000 x22: 000000000000feeb x21: ffff0000c5a3e068 [ 58.117137][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 58.118682][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 58.120289][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 58.121865][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 58.123454][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.125052][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.126691][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.128291][ T5225] Call trace: [ 58.128966][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.130244][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.131307][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.132387][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.133481][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.134538][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.135508][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.136522][ T5225] sync_lazytime+0x1a8/0x68c [ 58.137445][ T5225] iput+0x1cc/0xb90 [ 58.138189][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.139218][ T5225] __dentry_kill+0x170/0x5fc [ 58.140130][ T5225] shrink_kill+0xe8/0x318 [ 58.140973][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.141958][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.142973][ T5225] do_one_tree+0x24/0x58 [ 58.143849][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.144967][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.146000][ T5225] kill_block_super+0x44/0x90 [ 58.146934][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.147745][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.148735][ T5225] deactivate_super+0xd8/0xf8 [ 58.149606][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.150420][ T5225] __cleanup_mnt+0x20/0x30 [ 58.151218][ T5225] task_work_run+0x1c4/0x254 [ 58.152039][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.153035][ T5225] el0_svc+0x18c/0x260 [ 58.153786][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.154742][ T5225] el0t_64_sync+0x198/0x19c [ 58.155624][ T5225] irq event stamp: 567330 [ 58.156448][ T5225] hardirqs last enabled at (567329): [] finish_task_switch+0x22c/0x768 [ 58.158462][ T5225] hardirqs last disabled at (567330): [] el1_brk64+0x20/0x54 [ 58.160124][ T5225] softirqs last enabled at (567320): [] kernel_neon_begin+0x294/0x3fc [ 58.162174][ T5225] softirqs last disabled at (567318): [] kernel_neon_begin+0x11c/0x3fc [ 58.164169][ T5225] ---[ end trace 0000000000000000 ]--- [ 58.208033][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.210407][ T5225] ------------[ cut here ]------------ [ 58.210415][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 58.213430][ T5225] Modules linked in: [ 58.214211][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.216330][ T5225] Tainted: [W]=WARN [ 58.217038][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.219011][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.220632][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.221821][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.222971][ T5225] sp : ffff800099487060 [ 58.223816][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.225405][ T5225] x26: ffff0000ec3ac3a0 x25: ffff0000ec3ac3c8 x24: ffff800088a09b80 [ 58.226992][ T5225] x23: ffff0000c1d56000 x22: 000000000000feeb x21: ffff0000c1d56068 [ 58.228495][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 58.229971][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 58.231493][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 58.233031][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 58.234634][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.236223][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.237831][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.239426][ T5225] Call trace: [ 58.240071][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.241399][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.242384][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.243487][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.244641][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.245713][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.246657][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.247714][ T5225] sync_lazytime+0x1a8/0x68c [ 58.248645][ T5225] iput+0x1cc/0xb90 [ 58.249425][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.250445][ T5225] __dentry_kill+0x170/0x5fc [ 58.251386][ T5225] shrink_kill+0xe8/0x318 [ 58.252264][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.253284][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.254278][ T5225] do_one_tree+0x24/0x58 [ 58.255109][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.256144][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.257132][ T5225] kill_block_super+0x44/0x90 [ 58.258034][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.258884][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.259910][ T5225] deactivate_super+0xd8/0xf8 [ 58.260798][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.261637][ T5225] __cleanup_mnt+0x20/0x30 [ 58.262508][ T5225] task_work_run+0x1c4/0x254 [ 58.263366][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.264394][ T5225] el0_svc+0x18c/0x260 [ 58.265192][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.266198][ T5225] el0t_64_sync+0x198/0x19c [ 58.267065][ T5225] irq event stamp: 573468 [ 58.267920][ T5225] hardirqs last enabled at (573467): [] finish_task_switch+0x22c/0x768 [ 58.269875][ T5225] hardirqs last disabled at (573468): [] el1_brk64+0x20/0x54 [ 58.271645][ T5225] softirqs last enabled at (573458): [] kernel_neon_begin+0x294/0x3fc [ 58.273400][ T5225] softirqs last disabled at (573456): [] kernel_neon_begin+0x11c/0x3fc [ 58.275272][ T5225] ---[ end trace 0000000000000000 ]--- [ 5 ** replaying previous printk message ** [ 58.317907][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.318025][ T5225] ------------[ cut here ]------------ [ 58.318030][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 58.323513][ T5225] Modules linked in: [ 58.324289][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.326301][ T5225] Tainted: [W]=WARN [ 58.327026][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.328966][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.330424][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.331702][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.332958][ T5225] sp : ffff800099487060 [ 58.333776][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.335428][ T5225] x26: ffff0000ec000238 x25: ffff0000ec000260 x24: ffff800088a09b80 [ 58.337023][ T5225] x23: ffff0000de220000 x22: 000000000000feeb x21: ffff0000de220068 [ 58.338614][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 58.340156][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.341743][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.343356][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 58.344901][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 58.346391][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 58.348031][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.349591][ T5225] Call trace: [ 58.350139][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.351270][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.352221][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.353358][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.354476][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.355560][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.356512][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.357477][ T5225] sync_lazytime+0x1a8/0x68c [ 58.358397][ T5225] iput+0x1cc/0xb90 [ 58.359096][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.360032][ T5225] __dentry_kill+0x170/0x5fc [ 58.360892][ T5225] shrink_kill+0xe8/0x318 [ 58.361641][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.362493][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.363510][ T5225] do_one_tree+0x24/0x58 [ 58.364372][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.365470][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.366467][ T5225] kill_block_super+0x44/0x90 [ 58.367350][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.368135][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.369138][ T5225] deactivate_super+0xd8/0xf8 [ 58.370022][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.370857][ T5225] __cleanup_mnt+0x20/0x30 [ 58.371706][ T5225] task_work_run+0x1c4/0x254 [ 58.372573][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.373600][ T5225] el0_svc+0x18c/0x260 [ 58.374398][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.375389][ T5225] el0t_64_sync+0x198/0x19c [ 58.376255][ T5225] irq event stamp: 578764 [ 58.377086][ T5225] hardirqs last enabled at (578763): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 58.378980][ T5225] hardirqs last disabled at (578764): [] el1_brk64+0x20/0x54 [ 58.380680][ T5225] softirqs last enabled at (578756): [] kernel_neon_begin+0x294/0x3fc [ 58.382585][ T5225] softirqs last disabled at (578754): [] kernel_neon_begin+0x11c/0x3fc [ 58.384362][ T5225] ---[ end trace 0000000000000000 ]--- [ 58.430510][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.430633][ T5225] ------------[ cut here ]------------ [ 58.430641][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 58.436139][ T5225] Modules linked in: [ 58.436899][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.439025][ T5225] Tainted: [W]=WARN [ 58.439806][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.441844][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.443398][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.444668][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.445921][ T5225] sp : ffff800099487060 [ 58.446694][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.448182][ T5225] x26: ffff0000ec3b2798 x25: ffff0000ec3b27c0 x24: ffff800088a09b80 [ 58.449640][ T5225] x23: ffff0000c4d10000 x22: 000000000000feeb x21: ffff0000c4d10068 [ 58.451224][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 0000000000000000 [ 58.452810][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.454391][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.455957][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 58.457519][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 58.459110][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 58.460659][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.462155][ T5225] Call trace: [ 58.462831][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.463998][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.464966][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.466090][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.467254][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.468373][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.469321][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.470376][ T5225] sync_lazytime+0x1a8/0x68c [ 58.471314][ T5225] iput+0x1cc/0xb90 [ 58.472053][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.473007][ T5225] __dentry_kill+0x170/0x5fc [ 58.473880][ T5225] shrink_kill+0xe8/0x318 [ 58.474718][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.475678][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.476635][ T5225] do_one_tree+0x24/0x58 [ 58.477524][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.478689][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.479769][ T5225] kill_block_super+0x44/0x90 [ 58.480711][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.481592][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.482703][ T5225] deactivate_super+0xd8/0xf8 [ 58.483556][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.484361][ T5225] __cleanup_mnt+0x20/0x30 [ 58.485185][ T5225] task_work_run+0x1c4/0x254 [ 58.486029][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.487010][ T5225] el0_svc+0x18c/0x260 [ 58.487809][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.488848][ T5225] el0t_64_sync+0x198/0x19c [ 58.489757][ T5225] irq event stamp: 583896 [ 58.490626][ T5225] hardirqs last enabled at (583895): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 58.492700][ T5225] hardirqs last disabled at (583896): [] el1_brk64+0x20/0x54 [ 58.494455][ T5225] softirqs last enabled at (583888): [] kernel_neon_begin+0x294/0x3fc [ 58.496402][ T5225] softirqs last disabled at (583886): [] kernel_neon_begin+0x11c/0x3fc [ 58.498380][ T5225] ---[ end trace 0000000000000000 ]--- [ 58.535580][ T5225] EXT4-fs warning (device lo ** replaying previous printk message ** [ 58.535580][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.536467][ T5225] ------------[ cut here ]------------ [ 58.536475][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 58.542406][ T5225] Modules linked in: [ 58.543204][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.545156][ T5225] Tainted: [W]=WARN [ 58.545862][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.547766][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.549250][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.550480][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.551732][ T5225] sp : ffff800099487060 [ 58.552575][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.554176][ T5225] x26: ffff0000dcda5650 x25: ffff0000dcda5678 x24: ffff800088a09b80 [ 58.555757][ T5225] x23: ffff0000d8434000 x22: 000000000000feeb x21: ffff0000d8434068 [ 58.557354][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 58.558878][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 58.560517][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 58.562146][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 58.563748][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.565340][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.566968][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.568622][ T5225] Call trace: [ 58.569284][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.570595][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.571656][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.572801][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.573883][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.574971][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.575893][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.576869][ T5225] sync_lazytime+0x1a8/0x68c [ 58.577778][ T5225] iput+0x1cc/0xb90 [ 58.578557][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.579580][ T5225] __dentry_kill+0x170/0x5fc [ 58.580518][ T5225] shrink_kill+0xe8/0x318 [ 58.581395][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.582409][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.583457][ T5225] do_one_tree+0x24/0x58 [ 58.584324][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.585419][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.586501][ T5225] kill_block_super+0x44/0x90 [ 58.587437][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.588308][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.589396][ T5225] deactivate_super+0xd8/0xf8 [ 58.590319][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.591182][ T5225] __cleanup_mnt+0x20/0x30 [ 58.592079][ T5225] task_work_run+0x1c4/0x254 [ 58.593012][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.594122][ T5225] el0_svc+0x18c/0x260 [ 58.594968][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.595984][ T5225] el0t_64_sync+0x198/0x19c [ 58.596907][ T5225] irq event stamp: 588874 [ 58.597772][ T5225] hardirqs last enabled at (588873): [] finish_task_switch+0x22c/0x768 [ 58.599706][ T5225] hardirqs last disabled at (588874): [] el1_brk64+0x20/0x54 [ 58.601452][ T5225] softirqs last enabled at (588864): [] kernel_neon_begin+0x294/0x3fc [ 58.603422][ T5225] softirqs last disabled at (588862): [] kernel_neon_begin+0x11c/0x3fc [ 58.605397][ T5225] ---[ end trace 0000000000000000 ]--- [ 58.648769][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA ino ** replaying previous printk message ** [ 58.648769][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.650677][ T5225] ------------[ cut here ]------------ [ 58.650685][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 58.656868][ T5225] Modules linked in: [ 58.657623][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.659545][ T5225] Tainted: [W]=WARN [ 58.660210][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.662166][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.663713][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.664969][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.666235][ T5225] sp : ffff800099487060 [ 58.667017][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.668599][ T5225] x26: ffff0000ec007258 x25: ffff0000ec007280 x24: ffff800088a09b80 [ 58.670147][ T5225] x23: ffff0000cd7b0000 x22: 000000000000feeb x21: ffff0000cd7b0068 [ 58.671670][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 58.673148][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 58.674649][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 58.676192][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 58.677814][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.679365][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.680929][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.682565][ T5225] Call trace: [ 58.683206][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.684465][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.685486][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.686602][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.687696][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.688770][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.689700][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.690694][ T5225] sync_lazytime+0x1a8/0x68c [ 58.691551][ T5225] iput+0x1cc/0xb90 [ 58.692274][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.693194][ T5225] __dentry_kill+0x170/0x5fc [ 58.694073][ T5225] shrink_kill+0xe8/0x318 [ 58.694899][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.695918][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.696932][ T5225] do_one_tree+0x24/0x58 [ 58.697760][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.698866][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.699903][ T5225] kill_block_super+0x44/0x90 [ 58.700837][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.701690][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.702668][ T5225] deactivate_super+0xd8/0xf8 [ 58.703498][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.704294][ T5225] __cleanup_mnt+0x20/0x30 [ 58.705125][ T5225] task_work_run+0x1c4/0x254 [ 58.706019][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.707016][ T5225] el0_svc+0x18c/0x260 [ 58.707763][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.708700][ T5225] el0t_64_sync+0x198/0x19c [ 58.709572][ T5225] irq event stamp: 593928 [ 58.710379][ T5225] hardirqs last enabled at (593927): [] finish_task_switch+0x22c/0x768 [ 58.712275][ T5225] hardirqs last disabled at (593928): [] el1_brk64+0x20/0x54 [ 58.713942][ T5225] softirqs last enabled at (593918): [] kernel_neon_begin+0x294/0x3fc [ 58.715731][ T5225] softirqs last disabled at (593916): [] kernel_neon_begin+0x11c/0x3fc [ 58.717600][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 58.765800][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.765911][ T5225] ------------[ cut here ]------------ [ 58.765915][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 58.771618][ T5225] Modules linked in: [ 58.772371][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.774514][ T5225] Tainted: [W]=WARN [ 58.775315][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.777376][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.778997][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.780291][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.781563][ T5225] sp : ffff800099487060 [ 58.782378][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.783949][ T5225] x26: ffff0000ec004cf8 x25: ffff0000ec004d20 x24: ffff800088a09b80 [ 58.785556][ T5225] x23: ffff0000d7be8000 x22: 000000000000feeb x21: ffff0000d7be8068 [ 58.787184][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 58.788806][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 58.790482][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 58.792126][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 58.793759][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 58.795448][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 58.797048][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.798706][ T5225] Call trace: [ 58.799364][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.800659][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.801666][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.802824][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.803916][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.804970][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.805900][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.806909][ T5225] sync_lazytime+0x1a8/0x68c [ 58.807762][ T5225] iput+0x1cc/0xb90 [ 58.808473][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.809436][ T5225] __dentry_kill+0x170/0x5fc [ 58.810297][ T5225] shrink_kill+0xe8/0x318 [ 58.811160][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.812163][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.813187][ T5225] do_one_tree+0x24/0x58 [ 58.814025][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.815075][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.816088][ T5225] kill_block_super+0x44/0x90 [ 58.816960][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.817819][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.818876][ T5225] deactivate_super+0xd8/0xf8 [ 58.819811][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.820714][ T5225] __cleanup_mnt+0x20/0x30 [ 58.821597][ T5225] task_work_run+0x1c4/0x254 [ 58.822507][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.823601][ T5225] el0_svc+0x18c/0x260 [ 58.824433][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.825535][ T5225] el0t_64_sync+0x198/0x19c [ 58.826397][ T5225] irq event stamp: 598926 [ 58.827220][ T5225] hardirqs last enabled at (598925): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 58.829147][ T5225] hardirqs last disabled at (598926): [] el1_brk64+0x20/0x54 [ 58.830843][ T5225] softirqs last enabled at (598918): [] kernel_neon_begin+0x294/0x3fc [ 58.832679][ T5225] softirqs last disabled at (598916): [] kernel_neon_begin+0x11c/0x3fc [ 58.834613][ T5225] ---[ end trace 0000000000000000 ]--- [ 58.887407][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.889902][ T5225] ------------[ cut here ]------------ [ 58.889910][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 58.893017][ T5225] Modules linked in: [ 58.893799][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 58.895893][ T5225] Tainted: [W]=WARN [ 58.896685][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.898642][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 58.900107][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 58.901380][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 58.902712][ T5225] sp : ffff800099487060 [ 58.903548][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 58.905202][ T5225] x26: ffff0000ec002798 x25: ffff0000ec0027c0 x24: ffff800088a09b80 [ 58.906789][ T5225] x23: ffff0000d8d40000 x22: 000000000000feeb x21: ffff0000d8d40068 [ 58.908376][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 58.909942][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 58.911533][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 58.913035][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 58.914626][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.916160][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 58.917707][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 58.919380][ T5225] Call trace: [ 58.920020][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 58.921300][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 58.922332][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 58.923470][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 58.924540][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 58.925584][ T5225] ext4_dirty_inode+0xd4/0x104 [ 58.926496][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 58.927508][ T5225] sync_lazytime+0x1a8/0x68c [ 58.928414][ T5225] iput+0x1cc/0xb90 [ 58.929149][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 58.930151][ T5225] __dentry_kill+0x170/0x5fc [ 58.931028][ T5225] shrink_kill+0xe8/0x318 [ 58.931918][ T5225] shrink_dentry_list+0x154/0x2a4 [ 58.932918][ T5225] shrink_dcache_tree+0x40c/0x570 [ 58.933971][ T5225] do_one_tree+0x24/0x58 [ 58.934831][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 58.935913][ T5225] generic_shutdown_super+0x70/0x2b8 [ 58.936934][ T5225] kill_block_super+0x44/0x90 [ 58.937832][ T5225] ext4_kill_sb+0x68/0xa4 [ 58.938628][ T5225] deactivate_locked_super+0xc4/0x140 [ 58.939567][ T5225] deactivate_super+0xd8/0xf8 [ 58.940376][ T5225] cleanup_mnt+0x328/0x3b8 [ 58.941151][ T5225] __cleanup_mnt+0x20/0x30 [ 58.941926][ T5225] task_work_run+0x1c4/0x254 [ 58.942730][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 58.943681][ T5225] el0_svc+0x18c/0x260 [ 58.944415][ T5225] el0t_64_sync_handler+0x48/0x148 [ 58.945311][ T5225] el0t_64_sync+0x198/0x19c [ 58.946145][ T5225] irq event stamp: 603942 [ 58.946902][ T5225] hardirqs last enabled at (603941): [] finish_task_switch+0x22c/0x768 [ 58.948889][ T5225] hardirqs last disabled at (603942): [] el1_brk64+0x20/0x54 [ 58.950577][ T5225] softirqs last enabled at (603932): [] kernel_neon_begin+0x294/0x3fc [ 58.952560][ T5225] softirqs last disabled at (603930): [] kernel_neon_begin+0x11c/0x3fc [ 58.954445][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 58.998902][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 58.999012][ T5225] ------------[ cut here ]------------ [ 58.999016][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 59.004831][ T5225] Modules linked in: [ 59.005590][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.007599][ T5225] Tainted: [W]=WARN [ 59.008323][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.010172][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.011623][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.012871][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.014147][ T5225] sp : ffff800099487060 [ 59.014995][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.016539][ T5225] x26: ffff0000ec0b6900 x25: ffff0000ec0b6928 x24: ffff800088a09b80 [ 59.018099][ T5225] x23: ffff0000c7462000 x22: 000000000000feeb x21: ffff0000c7462068 [ 59.019674][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 59.021201][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.022860][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.024493][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 59.025998][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.027584][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.029148][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 59.030741][ T5225] Call trace: [ 59.031385][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.032715][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 59.033741][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.034912][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 59.036009][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.037062][ T5225] ext4_dirty_inode+0xd4/0x104 [ 59.037965][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 59.038896][ T5225] sync_lazytime+0x1a8/0x68c [ 59.039769][ T5225] iput+0x1cc/0xb90 [ 59.040550][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 59.041525][ T5225] __dentry_kill+0x170/0x5fc [ 59.042452][ T5225] shrink_kill+0xe8/0x318 [ 59.043309][ T5225] shrink_dentry_list+0x154/0x2a4 [ 59.044283][ T5225] shrink_dcache_tree+0x40c/0x570 [ 59.045241][ T5225] do_one_tree+0x24/0x58 [ 59.046029][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 59.047083][ T5225] generic_shutdown_super+0x70/0x2b8 [ 59.048099][ T5225] kill_block_super+0x44/0x90 [ 59.049023][ T5225] ext4_kill_sb+0x68/0xa4 [ 59.049873][ T5225] deactivate_locked_super+0xc4/0x140 [ 59.050874][ T5225] deactivate_super+0xd8/0xf8 [ 59.051758][ T5225] cleanup_mnt+0x328/0x3b8 [ 59.052554][ T5225] __cleanup_mnt+0x20/0x30 [ 59.053350][ T5225] task_work_run+0x1c4/0x254 [ 59.054198][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 59.055256][ T5225] el0_svc+0x18c/0x260 [ 59.056040][ T5225] el0t_64_sync_handler+0x48/0x148 [ 59.057022][ T5225] el0t_64_sync+0x198/0x19c [ 59.057895][ T5225] irq event stamp: 609062 [ 59.058721][ T5225] hardirqs last enabled at (609061): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.060709][ T5225] hardirqs last disabled at (609062): [] el1_brk64+0x20/0x54 [ 59.062368][ T5225] softirqs last enabled at (609054): [] kernel_neon_begin+0x294/0x3fc [ 59.064106][ T5225] softirqs last disabled at (609052): [] kernel_neon_begin+0x11c/0x3fc [ 59.065935][ T5225] ---[ end trace 0000000000000000 ]--- [ 5 ** replaying previous printk message ** [ 59.108122][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.108245][ T5225] ------------[ cut here ]------------ [ 59.108250][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 59.114351][ T5225] Modules linked in: [ 59.115131][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.117230][ T5225] Tainted: [W]=WARN [ 59.117957][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.119912][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.121461][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.122807][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.124110][ T5225] sp : ffff800099487060 [ 59.124916][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.126524][ T5225] x26: ffff0000ec2843a0 x25: ffff0000ec2843c8 x24: ffff800088a09b80 [ 59.128105][ T5225] x23: ffff0000de32c000 x22: 000000000000feeb x21: ffff0000de32c068 [ 59.129700][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 59.131351][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.132988][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.134589][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 59.136136][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.137637][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.139152][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 59.140706][ T5225] Call trace: [ 59.141344][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.142601][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 59.143593][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.144748][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 59.145888][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.147018][ T5225] ext4_dirty_inode+0xd4/0x104 [ 59.147973][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 59.148980][ T5225] sync_lazytime+0x1a8/0x68c [ 59.149889][ T5225] iput+0x1cc/0xb90 [ 59.150643][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 59.151653][ T5225] __dentry_kill+0x170/0x5fc [ 59.152596][ T5225] shrink_kill+0xe8/0x318 [ 59.153497][ T5225] shrink_dentry_list+0x154/0x2a4 [ 59.154513][ T5225] shrink_dcache_tree+0x40c/0x570 [ 59.155508][ T5225] do_one_tree+0x24/0x58 [ 59.156376][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 59.157455][ T5225] generic_shutdown_super+0x70/0x2b8 [ 59.158529][ T5225] kill_block_super+0x44/0x90 [ 59.159471][ T5225] ext4_kill_sb+0x68/0xa4 [ 59.160335][ T5225] deactivate_locked_super+0xc4/0x140 [ 59.161352][ T5225] deactivate_super+0xd8/0xf8 [ 59.162247][ T5225] cleanup_mnt+0x328/0x3b8 [ 59.163140][ T5225] __cleanup_mnt+0x20/0x30 [ 59.164044][ T5225] task_work_run+0x1c4/0x254 [ 59.164982][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 59.166038][ T5225] el0_svc+0x18c/0x260 [ 59.166852][ T5225] el0t_64_sync_handler+0x48/0x148 [ 59.167887][ T5225] el0t_64_sync+0x198/0x19c [ 59.168801][ T5225] irq event stamp: 615516 [ 59.169651][ T5225] hardirqs last enabled at (615515): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.171697][ T5225] hardirqs last disabled at (615516): [] el1_brk64+0x20/0x54 [ 59.173423][ T5225] softirqs last enabled at (615508): [] kernel_neon_begin+0x294/0x3fc [ 59.175415][ T5225] softirqs last disabled at (615506): [] kernel_neon_begin+0x11c/0x3fc [ 59.177400][ T5225] ---[ end trace 0000000000000000 ]--- [ 59.218459][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.221114][ T5225] ------------[ cut here ]------------ [ 59.221124][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 59.224343][ T5225] Modules linked in: [ 59.225140][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.227171][ T5225] Tainted: [W]=WARN [ 59.227919][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.229912][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.231469][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.232702][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.233946][ T5225] sp : ffff800099487060 [ 59.234772][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.236289][ T5225] x26: ffff0000ec281e40 x25: ffff0000ec281e68 x24: ffff800088a09b80 [ 59.237823][ T5225] x23: ffff0000c911e000 x22: 000000000000feeb x21: ffff0000c911e068 [ 59.239471][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.241124][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: 0000000000000000 [ 59.242769][ T5225] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 59.244377][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 59.245955][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.247624][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 59.249199][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 59.250817][ T5225] Call trace: [ 59.251458][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.252789][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 59.253867][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.255066][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 59.256239][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.257299][ T5225] ext4_dirty_inode+0xd4/0x104 [ 59.258214][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 59.259227][ T5225] sync_lazytime+0x1a8/0x68c [ 59.260134][ T5225] iput+0x1cc/0xb90 [ 59.260851][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 59.261836][ T5225] __dentry_kill+0x170/0x5fc [ 59.262767][ T5225] shrink_kill+0xe8/0x318 [ 59.263634][ T5225] shrink_dentry_list+0x154/0x2a4 [ 59.264630][ T5225] shrink_dcache_tree+0x40c/0x570 [ 59.265655][ T5225] do_one_tree+0x24/0x58 [ 59.266511][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 59.267567][ T5225] generic_shutdown_super+0x70/0x2b8 [ 59.268602][ T5225] kill_block_super+0x44/0x90 [ 59.269530][ T5225] ext4_kill_sb+0x68/0xa4 [ 59.270358][ T5225] deactivate_locked_super+0xc4/0x140 [ 59.271391][ T5225] deactivate_super+0xd8/0xf8 [ 59.272304][ T5225] cleanup_mnt+0x328/0x3b8 [ 59.273210][ T5225] __cleanup_mnt+0x20/0x30 [ 59.274111][ T5225] task_work_run+0x1c4/0x254 [ 59.275123][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 59.276184][ T5225] el0_svc+0x18c/0x260 [ 59.276970][ T5225] el0t_64_sync_handler+0x48/0x148 [ 59.277975][ T5225] el0t_64_sync+0x198/0x19c [ 59.278810][ T5225] irq event stamp: 621122 [ 59.279631][ T5225] hardirqs last enabled at (621121): [] finish_task_switch+0x22c/0x768 [ 59.281548][ T5225] hardirqs last disabled at (621122): [] el1_brk64+0x20/0x54 [ 59.283295][ T5225] softirqs last enabled at (621112): [] kernel_neon_begin+0x294/0x3fc [ 59.285166][ T5225] softirqs last disabled at (621110): [] kernel_neon_begin+0x11c/0x3fc [ 59.286942][ T5225] ---[ end trace 0000000000000000 ]--- [ 59.328761][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.331157][ T5225] ------------[ cut here ]------------ [ 59.331164][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 59.334379][ T5225] Modules linked in: [ 59.335130][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.337209][ T5225] Tainted: [W]=WARN [ 59.337958][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.339859][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.341345][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.342607][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.343850][ T5225] sp : ffff800099487060 [ 59.344604][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.346274][ T5225] x26: ffff0000e1e35fa8 x25: ffff0000e1e35fd0 x24: ffff800088a09b80 [ 59.347824][ T5225] x23: ffff0000c97e2000 x22: 000000000000feeb x21: ffff0000c97e2068 [ 59.349379][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.350910][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 59.352437][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 59.354004][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 59.355551][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.357124][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 59.358622][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 59.360099][ T5225] Call trace: [ 59.360691][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.361821][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 59.362771][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.363865][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 59.364974][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.366092][ T5225] ext4_dirty_inode+0xd4/0x104 [ 59.367069][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 59.368099][ T5225] sync_lazytime+0x1a8/0x68c [ 59.369009][ T5225] iput+0x1cc/0xb90 [ 59.369783][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 59.370777][ T5225] __dentry_kill+0x170/0x5fc [ 59.371680][ T5225] shrink_kill+0xe8/0x318 [ 59.372480][ T5225] shrink_dentry_list+0x154/0x2a4 [ 59.373445][ T5225] shrink_dcache_tree+0x40c/0x570 [ 59.374380][ T5225] do_one_tree+0x24/0x58 [ 59.375179][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 59.376249][ T5225] generic_shutdown_super+0x70/0x2b8 [ 59.377323][ T5225] kill_block_super+0x44/0x90 [ 59.378252][ T5225] ext4_kill_sb+0x68/0xa4 [ 59.379097][ T5225] deactivate_locked_super+0xc4/0x140 [ 59.380156][ T5225] deactivate_super+0xd8/0xf8 [ 59.381114][ T5225] cleanup_mnt+0x328/0x3b8 [ 59.381978][ T5225] __cleanup_mnt+0x20/0x30 [ 59.382811][ T5225] task_work_run+0x1c4/0x254 [ 59.383686][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 59.384753][ T5225] el0_svc+0x18c/0x260 [ 59.385557][ T5225] el0t_64_sync_handler+0x48/0x148 [ 59.386538][ T5225] el0t_64_sync+0x198/0x19c [ 59.387394][ T5225] irq event stamp: 626432 [ 59.388208][ T5225] hardirqs last enabled at (626431): [] finish_task_switch+0x22c/0x768 [ 59.390078][ T5225] hardirqs last disabled at (626432): [] el1_brk64+0x20/0x54 [ 59.391686][ T5225] softirqs last enabled at (626422): [] kernel_neon_begin+0x294/0x3fc [ 59.393471][ T5225] softirqs last disabled at (626420): [] kernel_neon_begin+0x11c/0x3fc [ 59.395242][ T5225] ---[ end trace 0000000000000000 ]--- [ 59.428976][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.431280][ T5225] ------------[ cut here ]------------ [ 59.431288][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 59.434581][ T5225] Modules linked in: [ 59.435388][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.437545][ T5225] Tainted: [W]=WARN [ 59.438320][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.440239][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.441749][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.442981][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.444232][ T5225] sp : ffff800099487060 [ 59.445056][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.446677][ T5225] x26: ffff0000e1e33a48 x25: ffff0000e1e33a70 x24: ffff800088a09b80 [ 59.448318][ T5225] x23: ffff0000d77e6000 x22: 000000000000feeb x21: ffff0000d77e6068 [ 59.449927][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.451559][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 59.453195][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 59.454825][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 59.456393][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.457915][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 59.459433][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 59.461044][ T5225] Call trace: [ 59.461707][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.462973][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 59.463922][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.464980][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 59.466092][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.467206][ T5225] ext4_dirty_inode+0xd4/0x104 [ 59.468136][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 59.469161][ T5225] sync_lazytime+0x1a8/0x68c [ 59.470096][ T5225] iput+0x1cc/0xb90 [ 59.470833][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 59.471865][ T5225] __dentry_kill+0x170/0x5fc [ 59.472779][ T5225] shrink_kill+0xe8/0x318 [ 59.473624][ T5225] shrink_dentry_list+0x154/0x2a4 [ 59.474587][ T5225] shrink_dcache_tree+0x40c/0x570 [ 59.475577][ T5225] do_one_tree+0x24/0x58 [ 59.476387][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 59.477508][ T5225] generic_shutdown_super+0x70/0x2b8 [ 59.478584][ T5225] kill_block_super+0x44/0x90 [ 59.479499][ T5225] ext4_kill_sb+0x68/0xa4 [ 59.480370][ T5225] deactivate_locked_super+0xc4/0x140 [ 59.481456][ T5225] deactivate_super+0xd8/0xf8 [ 59.482370][ T5225] cleanup_mnt+0x328/0x3b8 [ 59.483230][ T5225] __cleanup_mnt+0x20/0x30 [ 59.484078][ T5225] task_work_run+0x1c4/0x254 [ 59.484963][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 59.485998][ T5225] el0_svc+0x18c/0x260 [ 59.486828][ T5225] el0t_64_sync_handler+0x48/0x148 [ 59.487844][ T5225] el0t_64_sync+0x198/0x19c [ 59.488694][ T5225] irq event stamp: 631728 [ 59.489522][ T5225] hardirqs last enabled at (631727): [] finish_task_switch+0x22c/0x768 [ 59.491436][ T5225] hardirqs last disabled at (631728): [] el1_brk64+0x20/0x54 [ 59.493216][ T5225] softirqs last enabled at (631718): [] kernel_neon_begin+0x294/0x3fc [ 59.495105][ T5225] softirqs last disabled at (631716): [] kernel_neon_begin+0x11c/0x3fc [ 59.496913][ T5225] ---[ end trace 0000000000000000 ]--- [ 59.541172][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.543522][ T5225] ------------[ cut here ]------------ [ 59.543530][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 59.546595][ T5225] Modules linked in: [ 59.547312][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.549277][ T5225] Tainted: [W]=WARN [ 59.549959][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.551667][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.553161][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.554406][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.555674][ T5225] sp : ffff800099487060 [ 59.556472][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.558068][ T5225] x26: ffff0000e1e314e8 x25: ffff0000e1e31510 x24: ffff800088a09b80 [ 59.559691][ T5225] x23: ffff0000cb26c000 x22: 000000000000feeb x21: ffff0000cb26c068 [ 59.561237][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 59.562770][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fba10c [ 59.564328][ T5225] x14: ffff0001a5fba108 x13: 0000000000000001 x12: 0000000000000000 [ 59.565913][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 59.567510][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.569106][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 59.570739][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 59.572317][ T5225] Call trace: [ 59.572985][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.574315][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 59.575372][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.576523][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 59.577637][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.578727][ T5225] ext4_dirty_inode+0xd4/0x104 [ 59.579657][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 59.580646][ T5225] sync_lazytime+0x1a8/0x68c [ 59.581524][ T5225] iput+0x1cc/0xb90 [ 59.582192][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 59.583096][ T5225] __dentry_kill+0x170/0x5fc [ 59.583923][ T5225] shrink_kill+0xe8/0x318 [ 59.584783][ T5225] shrink_dentry_list+0x154/0x2a4 [ 59.585764][ T5225] shrink_dcache_tree+0x40c/0x570 [ 59.586740][ T5225] do_one_tree+0x24/0x58 [ 59.587602][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 59.588671][ T5225] generic_shutdown_super+0x70/0x2b8 [ 59.589709][ T5225] kill_block_super+0x44/0x90 [ 59.590623][ T5225] ext4_kill_sb+0x68/0xa4 [ 59.591378][ T5225] deactivate_locked_super+0xc4/0x140 [ 59.592328][ T5225] deactivate_super+0xd8/0xf8 [ 59.593172][ T5225] cleanup_mnt+0x328/0x3b8 [ 59.593938][ T5225] __cleanup_mnt+0x20/0x30 [ 59.594795][ T5225] task_work_run+0x1c4/0x254 [ 59.595687][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 59.596729][ T5225] el0_svc+0x18c/0x260 [ 59.597533][ T5225] el0t_64_sync_handler+0x48/0x148 [ 59.598545][ T5225] el0t_64_sync+0x198/0x19c [ 59.599414][ T5225] irq event stamp: 637318 [ 59.600258][ T5225] hardirqs last enabled at (637317): [] finish_task_switch+0x22c/0x768 [ 59.602198][ T5225] hardirqs last disabled at (637318): [] el1_brk64+0x20/0x54 [ 59.603874][ T5225] softirqs last enabled at (637308): [] kernel_neon_begin+0x294/0x3fc [ 59.605672][ T5225] softirqs last disabled at (637306): [] kernel_neon_begin+0x11c/0x3fc [ 59.607556][ T5225] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 59.642439][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.642558][ T5225] ------------[ cut here ]------------ [ 59.642563][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#0: syz-executor/5225 [ 59.648227][ T5225] Modules linked in: [ 59.648925][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.650788][ T5225] Tainted: [W]=WARN [ 59.651460][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.653295][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.654826][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.656067][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.657319][ T5225] sp : ffff800099487060 [ 59.658083][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.659717][ T5225] x26: ffff0000e1ebd650 x25: ffff0000e1ebd678 x24: ffff800088a09b80 [ 59.661304][ T5225] x23: ffff0000d6226000 x22: 000000000000feeb x21: ffff0000d6226068 [ 59.662917][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bf7420 [ 59.664474][ T5225] x17: 6572203a31383431 x16: 3a6574616572635f x15: 65646f6e695f7274 [ 59.666058][ T5225] x14: 7461785f34747865 x13: 0000000000000001 x12: 0000000000000000 [ 59.667628][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 59.669168][ T5225] x8 : 00000000000000f8 x7 : ffff80008047db60 x6 : 0000000000000000 [ 59.670784][ T5225] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000804887a0 [ 59.672387][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066 [ 59.673959][ T5225] Call trace: [ 59.674600][ T5225] ext4_xattr_inode_lookup_create+0x768/0x12b8 (P) [ 59.675864][ T5225] ext4_xattr_block_set+0x1c0/0x2188 [ 59.676903][ T5225] ext4_expand_extra_isize_ea+0xb18/0x13a0 [ 59.677961][ T5225] __ext4_expand_extra_isize+0x29c/0x370 [ 59.679015][ T5225] __ext4_mark_inode_dirty+0x3a4/0x810 [ 59.680043][ T5225] ext4_dirty_inode+0xd4/0x104 [ 59.680981][ T5225] __mark_inode_dirty+0x354/0x1a10 [ 59.681980][ T5225] sync_lazytime+0x1a8/0x68c [ 59.682908][ T5225] iput+0x1cc/0xb90 [ 59.683684][ T5225] dentry_unlink_inode+0x3a8/0x484 [ 59.684743][ T5225] __dentry_kill+0x170/0x5fc [ 59.685615][ T5225] shrink_kill+0xe8/0x318 [ 59.686436][ T5225] shrink_dentry_list+0x154/0x2a4 [ 59.687431][ T5225] shrink_dcache_tree+0x40c/0x570 [ 59.688370][ T5225] do_one_tree+0x24/0x58 [ 59.689190][ T5225] shrink_dcache_for_umount+0xa0/0x168 [ 59.690253][ T5225] generic_shutdown_super+0x70/0x2b8 [ 59.691292][ T5225] kill_block_super+0x44/0x90 [ 59.692227][ T5225] ext4_kill_sb+0x68/0xa4 [ 59.693162][ T5225] deactivate_locked_super+0xc4/0x140 [ 59.694202][ T5225] deactivate_super+0xd8/0xf8 [ 59.695132][ T5225] cleanup_mnt+0x328/0x3b8 [ 59.696015][ T5225] __cleanup_mnt+0x20/0x30 [ 59.696912][ T5225] task_work_run+0x1c4/0x254 [ 59.697883][ T5225] exit_to_user_mode_loop+0x10c/0x17c [ 59.698945][ T5225] el0_svc+0x18c/0x260 [ 59.699766][ T5225] el0t_64_sync_handler+0x48/0x148 [ 59.700737][ T5225] el0t_64_sync+0x198/0x19c [ 59.701595][ T5225] irq event stamp: 642504 [ 59.702423][ T5225] hardirqs last enabled at (642503): [] arm64_exit_to_kernel_mode+0x80/0x94 [ 59.704425][ T5225] hardirqs last disabled at (642504): [] el1_brk64+0x20/0x54 [ 59.706183][ T5225] softirqs last enabled at (642496): [] kernel_neon_begin+0x294/0x3fc [ 59.708174][ T5225] softirqs last disabled at (642494): [] kernel_neon_begin+0x11c/0x3fc [ 59.710114][ T5225] ---[ end trace 0000000000000000 ]--- [ 59.755328][ T5225] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting [ 59.757912][ T5225] ------------[ cut here ]------------ [ 59.757920][ T5225] WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0x768/0x12b8, CPU#1: syz-executor/5225 [ 59.760959][ T5225] Modules linked in: [ 59.761669][ T5225] CPU: 1 UID: 0 PID: 5225 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT [ 59.763728][ T5225] Tainted: [W]=WARN [ 59.764424][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.766455][ T5225] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 59.767997][ T5225] pc : ext4_xattr_inode_lookup_create+0x768/0x12b8 [ 59.769306][ T5225] lr : ext4_xattr_inode_lookup_create+0x764/0x12b8 [ 59.770596][ T5225] sp : ffff800099487060 [ 59.771428][ T5225] x29: ffff8000994871a0 x28: 000000003bc0c61b x27: 0000000000000001 [ 59.773037][ T5225] x26: ffff0000ec0b43a0 x25: ffff0000ec0b43c8 x24: ffff800088a09b80 [ 59.774690][ T5225] x23: ffff0000cbc9e000 x22: 000000000000feeb x21: ffff0000cbc9e068 [ 59.776289][ T5225] x20: ffff700013290e1c x19: dfff800000000000 x18: 1fffe00034bfbe20 [ 59.777854][ T5225] x17: ffff80008897b000 x16: ffff800088a2dc20 x15: ffff0001a5fdf10c [ 59.779375][ T5225] x14: ffff0001a5fdf108 x13: 0000000000000001 x12: 0000000000000000 [ 59.780928][ T5225] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 6a0fb507022c4b00 [ 59.782599][ T5225] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 59.784273][ T5225] x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000804887a0 [ 59.785867][ T5225] x2 : 0000000100000000 x1 : ffff0000cdcc5700 x0 : 0000000000000066