Warning: Permanently added '10.128.1.196' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 parsed 1 programs [ 65.796692][ T4438] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 68.348917][ T4566] chnl_net:caif_netlink_parms(): no params data found [ 68.370153][ T4566] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.371211][ T4566] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.372732][ T4566] device bridge_slave_0 entered promiscuous mode [ 68.375179][ T4566] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.376230][ T4566] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.377736][ T4566] device bridge_slave_1 entered promiscuous mode [ 68.386438][ T4566] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.389732][ T4566] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.400457][ T4566] team0: Port device team_slave_0 added [ 68.402679][ T4566] team0: Port device team_slave_1 added [ 68.410860][ T4566] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.411946][ T4566] 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 1560 would solve the problem. [ 68.416197][ T4566] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.418462][ T4566] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.419547][ T4566] 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 1560 would solve the problem. [ 68.423684][ T4566] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.494387][ T4566] device hsr_slave_0 entered promiscuous mode [ 68.543091][ T4566] device hsr_slave_1 entered promiscuous mode [ 69.127207][ T4566] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.146013][ T4566] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.194236][ T4566] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.227518][ T4566] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.349618][ T4566] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.365381][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.366810][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.369937][ T4566] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.372601][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.374768][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.376250][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.377377][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.379267][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.387066][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.388810][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.391191][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.392281][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.395361][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.405227][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.407440][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.409450][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.415675][ T4566] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.417302][ T4566] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.422625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.425080][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.426723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.428290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.432162][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.435127][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.436653][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.440717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.527688][ T4566] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.534893][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.536177][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.538947][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.540447][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.547892][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.549464][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.551082][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.552508][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.558201][ T4566] device veth0_vlan entered promiscuous mode [ 69.562123][ T4566] device veth1_vlan entered promiscuous mode [ 69.571183][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.572740][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.575271][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.576795][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.580037][ T4566] device veth0_macvtap entered promiscuous mode [ 69.582508][ T4566] device veth1_macvtap entered promiscuous mode [ 69.590529][ T4566] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.591832][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.593394][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.594768][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.596300][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.604492][ T4566] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.605729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.607393][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.610460][ T4566] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.611720][ T4566] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.614370][ T4566] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.615692][ T4566] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.625309][ T1541] cfg80211: failed to load regulatory.db [ 69.627938][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.629004][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.136047][ T376] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.137348][ T376] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.138684][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.154211][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.155483][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.156759][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:10 executed programs: 0 [ 70.864400][ T4798] chnl_net:caif_netlink_parms(): no params data found [ 70.887902][ T4798] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.889598][ T4798] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.891143][ T4798] device bridge_slave_0 entered promiscuous mode [ 70.893843][ T4798] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.895043][ T4798] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.896611][ T4798] device bridge_slave_1 entered promiscuous mode [ 70.907368][ T4798] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.910049][ T4798] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.919371][ T4798] team0: Port device team_slave_0 added [ 70.921272][ T4798] team0: Port device team_slave_1 added [ 70.928911][ T4798] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.930010][ T4798] 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 1560 would solve the problem. [ 70.934685][ T4798] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.937193][ T4798] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.938300][ T4798] 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 1560 would solve the problem. [ 70.942252][ T4798] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.004863][ T4798] device hsr_slave_0 entered promiscuous mode [ 71.033357][ T4798] device hsr_slave_1 entered promiscuous mode [ 71.053547][ T4798] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.054809][ T4798] Cannot create hsr debugfs directory [ 71.101736][ T4798] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.823621][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 73.757635][ T4798] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.828037][ T4798] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.878001][ T4798] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.902991][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 75.020169][ T4798] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.035519][ T4798] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.084119][ T4798] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.124561][ T4798] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.209453][ T4798] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.213772][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.215880][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.218465][ T4798] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.220945][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.222422][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.224551][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.225635][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.227069][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.229926][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.231488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.232959][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.234078][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.238997][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.241817][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.246294][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.248258][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.249816][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.252579][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.255379][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.259091][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.260653][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.263510][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.265105][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.267595][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.309312][ T4798] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.313828][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.315157][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.318954][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.320522][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.327895][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.329463][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.331100][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.332480][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.335968][ T4798] device veth0_vlan entered promiscuous mode [ 75.339375][ T4798] device veth1_vlan entered promiscuous mode [ 75.364916][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.366437][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.367918][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.369411][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.371900][ T4798] device veth0_macvtap entered promiscuous mode [ 75.374615][ T4798] device veth1_macvtap entered promiscuous mode [ 75.379622][ T4798] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 75.381260][ T4798] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.383515][ T4798] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.385433][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.386793][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.388216][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.389809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.391520][ T4798] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.393801][ T4798] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.395829][ T4798] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.398091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.399641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.401665][ T4798] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.403764][ T4798] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.405031][ T4798] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.406447][ T4798] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.450189][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.451530][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.454847][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.461333][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.462678][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.465167][ T229] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.490053][ T4980] loop0: detected capacity change from 0 to 1024 [ 75.586321][ T4980] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 75.599096][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.601016][ T4798] ------------[ cut here ]------------ [ 75.601856][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.603389][ T4798] Modules linked in: [ 75.603983][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Not tainted syzkaller #0 [ 75.605080][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.606569][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.607747][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.608563][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.609415][ T4798] sp : ffff80001f486f80 [ 75.610066][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 75.611266][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 75.612505][ T4798] x23: ffff0000e265f048 x22: ffff0000cff5f020 x21: ffff0000e265f070 [ 75.613667][ T4798] x20: ffff0000ec4a8068 x19: ffff0000ec4a8000 x18: 0000000000000001 [ 75.614829][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 75.616017][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 75.617215][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 75.618361][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.619558][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 75.620712][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.621962][ T4798] Call trace: [ 75.622393][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.623229][ T4798] ext4_xattr_block_set+0x524/0x267c [ 75.624002][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.624878][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 75.625729][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 75.626615][ T4798] ext4_dirty_inode+0xd0/0x100 [ 75.627372][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 75.628111][ T4798] iput+0x1b0/0x764 [ 75.628659][ T4798] dentry_unlink_inode+0x360/0x438 [ 75.629389][ T4798] __dentry_kill+0x320/0x598 [ 75.630046][ T4798] shrink_dentry_list+0x400/0x7b8 [ 75.630776][ T4798] shrink_dcache_parent+0xb4/0x364 [ 75.631494][ T4798] do_one_tree+0x2c/0xf0 [ 75.632150][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 75.632943][ T4798] generic_shutdown_super+0x68/0x2f0 [ 75.633708][ T4798] kill_block_super+0x70/0xdc [ 75.634388][ T4798] deactivate_locked_super+0xb8/0x134 [ 75.635235][ T4798] deactivate_super+0xf0/0x110 [ 75.635916][ T4798] cleanup_mnt+0x3b8/0x46c [ 75.636624][ T4798] __cleanup_mnt+0x20/0x30 [ 75.637233][ T4798] task_work_run+0x12c/0x1d8 [ 75.637934][ T4798] do_notify_resume+0x2450/0x309c [ 75.638668][ T4798] el0_svc+0xf0/0x1d0 [ 75.639239][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 75.639974][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 75.640654][ T4798] irq event stamp: 161462 [ 75.641265][ T4798] hardirqs last enabled at (161461): [] __up_console_sem+0xb4/0xfc [ 75.642730][ T4798] hardirqs last disabled at (161462): [] el1_dbg+0x24/0x80 [ 75.643986][ T4798] softirqs last enabled at (161102): [] local_bh_enable+0x10/0x34 [ 75.645354][ T4798] softirqs last disabled at (161100): [] local_bh_disable+0x10/0x34 [ 75.646746][ T4798] ---[ end trace 1f9536340ba83b1f ]--- [ 75.652574][ T4798] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2807: Unable to expand inode 12. Delete some EAs or run e2fsck. [ 75.728037][ T4985] loop0: detected capacity change from 0 to 1024 [ 75.775346][ T4985] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 75.785782][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.787584][ T4798] ------------[ cut here ]------------ [ 75.788433][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.789842][ T4798] Modules linked in: [ 75.790444][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.791733][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.793204][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.794354][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.795181][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.796045][ T4798] sp : ffff80001f486f80 [ 75.796681][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 75.798003][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 75.799236][ T4798] x23: ffff0000deb52a80 x22: ffff0000dab37820 x21: ffff0000deb52aa8 [ 75.800459][ T4798] x20: ffff0000d54a0068 x19: ffff0000d54a0000 x18: 0000000000000001 [ 75.801673][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 75.802872][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 75.804123][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 75.805277][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.806408][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 75.807573][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.808696][ T4798] Call trace: [ 75.809158][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.810073][ T4798] ext4_xattr_block_set+0x524/0x267c [ 75.810898][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.811760][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 75.812606][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 75.813427][ T4798] ext4_dirty_inode+0xd0/0x100 [ 75.814139][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 75.814831][ T4798] iput+0x1b0/0x764 [ 75.815382][ T4798] dentry_unlink_inode+0x360/0x438 [ 75.816162][ T4798] __dentry_kill+0x320/0x598 [ 75.816829][ T4798] shrink_dentry_list+0x400/0x7b8 [ 75.817589][ T4798] shrink_dcache_parent+0xb4/0x364 [ 75.818404][ T4798] do_one_tree+0x2c/0xf0 [ 75.819095][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 75.819913][ T4798] generic_shutdown_super+0x68/0x2f0 [ 75.820623][ T4798] kill_block_super+0x70/0xdc [ 75.821328][ T4798] deactivate_locked_super+0xb8/0x134 [ 75.822080][ T4798] deactivate_super+0xf0/0x110 [ 75.822807][ T4798] cleanup_mnt+0x3b8/0x46c [ 75.823384][ T4798] __cleanup_mnt+0x20/0x30 [ 75.824023][ T4798] task_work_run+0x12c/0x1d8 [ 75.824740][ T4798] do_notify_resume+0x2450/0x309c [ 75.825503][ T4798] el0_svc+0xf0/0x1d0 [ 75.826097][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 75.826828][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 75.827478][ T4798] irq event stamp: 167986 [ 75.828093][ T4798] hardirqs last enabled at (167985): [] __up_console_sem+0xb4/0xfc [ 75.829572][ T4798] hardirqs last disabled at (167986): [] el1_dbg+0x24/0x80 [ 75.830842][ T4798] softirqs last enabled at (167636): [] local_bh_enable+0x10/0x34 [ 75.832248][ T4798] softirqs last disabled at (167634): [] local_bh_disable+0x10/0x34 [ 75.833659][ T4798] ---[ end trace 1f9536340ba83b20 ]--- 1970/01/01 00:01:15 executed programs: 4 [ 75.918316][ T4989] loop0: detected capacity change from 0 to 1024 [ 76.027604][ T4989] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 76.044416][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.046288][ T4798] ------------[ cut here ]------------ [ 76.047055][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.048494][ T4798] Modules linked in: [ 76.049104][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.050416][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.051853][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.053020][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.053869][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.054738][ T4798] sp : ffff80001f486f80 [ 76.055295][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 76.056454][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 76.057653][ T4798] x23: ffff0000edc12a80 x22: ffff0000d749d020 x21: ffff0000edc12aa8 [ 76.058861][ T4798] x20: ffff0000ce800068 x19: ffff0000ce800000 x18: 0000000000000001 [ 76.060013][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 76.061383][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 76.062539][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 76.063695][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.064924][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 76.066162][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.067472][ T4798] Call trace: [ 76.067938][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.068767][ T4798] ext4_xattr_block_set+0x524/0x267c [ 76.069519][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.070365][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 76.071165][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 76.072130][ T4798] ext4_dirty_inode+0xd0/0x100 [ 76.072908][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 76.073699][ T4798] iput+0x1b0/0x764 [ 76.074262][ T4798] dentry_unlink_inode+0x360/0x438 [ 76.075004][ T4798] __dentry_kill+0x320/0x598 [ 76.075810][ T4798] shrink_dentry_list+0x400/0x7b8 [ 76.076581][ T4798] shrink_dcache_parent+0xb4/0x364 [ 76.077350][ T4798] do_one_tree+0x2c/0xf0 [ 76.078017][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 76.078822][ T4798] generic_shutdown_super+0x68/0x2f0 [ 76.079620][ T4798] kill_block_super+0x70/0xdc [ 76.080331][ T4798] deactivate_locked_super+0xb8/0x134 [ 76.081148][ T4798] deactivate_super+0xf0/0x110 [ 76.081864][ T4798] cleanup_mnt+0x3b8/0x46c [ 76.082514][ T4798] __cleanup_mnt+0x20/0x30 [ 76.083307][ T4798] task_work_run+0x12c/0x1d8 [ 76.084021][ T4798] do_notify_resume+0x2450/0x309c [ 76.084784][ T4798] el0_svc+0xf0/0x1d0 [ 76.085381][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 76.086142][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 76.086826][ T4798] irq event stamp: 175872 [ 76.087452][ T4798] hardirqs last enabled at (175871): [] __up_console_sem+0xb4/0xfc [ 76.088861][ T4798] hardirqs last disabled at (175872): [] el1_dbg+0x24/0x80 [ 76.090120][ T4798] softirqs last enabled at (175814): [] handle_softirqs+0xa40/0xbe4 [ 76.091562][ T4798] softirqs last disabled at (175799): [] __irq_exit_rcu+0x240/0x43c [ 76.093021][ T4798] ---[ end trace 1f9536340ba83b21 ]--- [ 76.166101][ T4993] loop0: detected capacity change from 0 to 1024 [ 76.177435][ T4993] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 76.188460][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.190494][ T4798] ------------[ cut here ]------------ [ 76.191294][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.192626][ T4798] Modules linked in: [ 76.193247][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.194659][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.196208][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.197418][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.198284][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.199116][ T4798] sp : ffff80001f486f80 [ 76.199719][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 76.200920][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 76.202151][ T4798] x23: ffff0000edc15260 x22: ffff0000ec4a0020 x21: ffff0000edc15288 [ 76.203404][ T4798] x20: ffff0000cb872068 x19: ffff0000cb872000 x18: 0000000000000002 [ 76.204586][ T4798] x17: 0000000040000000 x16: ffff800011254cd0 x15: 0000000000000002 [ 76.205866][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 76.207125][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 76.208326][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 76.209532][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 76.210770][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.212007][ T4798] Call trace: [ 76.212504][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.213371][ T4798] ext4_xattr_block_set+0x524/0x267c [ 76.214151][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.215117][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 76.216008][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 76.216823][ T4798] ext4_dirty_inode+0xd0/0x100 [ 76.217540][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 76.218341][ T4798] iput+0x1b0/0x764 [ 76.218876][ T4798] dentry_unlink_inode+0x360/0x438 [ 76.219604][ T4798] __dentry_kill+0x320/0x598 [ 76.220307][ T4798] shrink_dentry_list+0x400/0x7b8 [ 76.221142][ T4798] shrink_dcache_parent+0xb4/0x364 [ 76.221900][ T4798] do_one_tree+0x2c/0xf0 [ 76.222530][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 76.223366][ T4798] generic_shutdown_super+0x68/0x2f0 [ 76.224239][ T4798] kill_block_super+0x70/0xdc [ 76.224900][ T4798] deactivate_locked_super+0xb8/0x134 [ 76.225737][ T4798] deactivate_super+0xf0/0x110 [ 76.226444][ T4798] cleanup_mnt+0x3b8/0x46c [ 76.227066][ T4798] __cleanup_mnt+0x20/0x30 [ 76.227715][ T4798] task_work_run+0x12c/0x1d8 [ 76.228441][ T4798] do_notify_resume+0x2450/0x309c [ 76.229246][ T4798] el0_svc+0xf0/0x1d0 [ 76.229863][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 76.230605][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 76.231255][ T4798] irq event stamp: 183810 [ 76.231922][ T4798] hardirqs last enabled at (183809): [] finish_lock_switch+0xb0/0x1c4 [ 76.233539][ T4798] hardirqs last disabled at (183810): [] el1_dbg+0x24/0x80 [ 76.234836][ T4798] softirqs last enabled at (183428): [] local_bh_enable+0x10/0x34 [ 76.236280][ T4798] softirqs last disabled at (183426): [] local_bh_disable+0x10/0x34 [ 76.237714][ T4798] ---[ end trace 1f9536340ba83b22 ]--- [ 76.285649][ T4998] loop0: detected capacity change from 0 to 1024 [ 76.295546][ T4998] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 76.305052][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.306729][ T4798] ------------[ cut here ]------------ [ 76.307503][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.308993][ T4798] Modules linked in: [ 76.309588][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.310984][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.312536][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.313675][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.314509][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.315427][ T4798] sp : ffff80001f486f80 [ 76.316060][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 76.317244][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 76.318477][ T4798] x23: ffff0000e27eb478 x22: ffff0000ec03b020 x21: ffff0000e27eb4a0 [ 76.319686][ T4798] x20: ffff0000ec01c068 x19: ffff0000ec01c000 x18: 0000000000000001 [ 76.320884][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 76.322064][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 76.323249][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 76.324464][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.325712][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 76.326912][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.328115][ T4798] Call trace: [ 76.328585][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.329378][ T4798] ext4_xattr_block_set+0x524/0x267c [ 76.330173][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.331039][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 76.331870][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 76.332672][ T4798] ext4_dirty_inode+0xd0/0x100 [ 76.333327][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 76.334051][ T4798] iput+0x1b0/0x764 [ 76.334586][ T4798] dentry_unlink_inode+0x360/0x438 [ 76.335393][ T4798] __dentry_kill+0x320/0x598 [ 76.336085][ T4798] shrink_dentry_list+0x400/0x7b8 [ 76.336906][ T4798] shrink_dcache_parent+0xb4/0x364 [ 76.337729][ T4798] do_one_tree+0x2c/0xf0 [ 76.338337][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 76.339203][ T4798] generic_shutdown_super+0x68/0x2f0 [ 76.340121][ T4798] kill_block_super+0x70/0xdc [ 76.340886][ T4798] deactivate_locked_super+0xb8/0x134 [ 76.341724][ T4798] deactivate_super+0xf0/0x110 [ 76.342492][ T4798] cleanup_mnt+0x3b8/0x46c [ 76.343172][ T4798] __cleanup_mnt+0x20/0x30 [ 76.343863][ T4798] task_work_run+0x12c/0x1d8 [ 76.344573][ T4798] do_notify_resume+0x2450/0x309c [ 76.345282][ T4798] el0_svc+0xf0/0x1d0 [ 76.345953][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 76.346765][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 76.347439][ T4798] irq event stamp: 190584 [ 76.348105][ T4798] hardirqs last enabled at (190583): [] __up_console_sem+0xb4/0xfc [ 76.349531][ T4798] hardirqs last disabled at (190584): [] el1_dbg+0x24/0x80 [ 76.350854][ T4798] softirqs last enabled at (190218): [] local_bh_enable+0x10/0x34 [ 76.352355][ T4798] softirqs last disabled at (190216): [] local_bh_disable+0x10/0x34 [ 76.353970][ T4798] ---[ end trace 1f9536340ba83b23 ]--- [ 76.407960][ T5002] loop0: detected capacity change from 0 to 1024 [ 76.474477][ T5002] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 76.486422][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.488301][ T4798] ------------[ cut here ]------------ [ 76.489058][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.490556][ T4798] Modules linked in: [ 76.491229][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.492476][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.493984][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.495177][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.496060][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.496980][ T4798] sp : ffff80001f486f80 [ 76.497629][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 76.498870][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 76.500100][ T4798] x23: ffff0000e27ec868 x22: ffff0000d26bb020 x21: ffff0000e27ec890 [ 76.501355][ T4798] x20: ffff0000cee16068 x19: ffff0000cee16000 x18: 0000000000000001 [ 76.502547][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 76.503827][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 76.505133][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 76.506263][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.507489][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 76.508679][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.509926][ T4798] Call trace: [ 76.510420][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.511186][ T4798] ext4_xattr_block_set+0x524/0x267c [ 76.511967][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.512812][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 76.513652][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 76.514432][ T4798] ext4_dirty_inode+0xd0/0x100 [ 76.515157][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 76.515930][ T4798] iput+0x1b0/0x764 [ 76.516511][ T4798] dentry_unlink_inode+0x360/0x438 [ 76.517253][ T4798] __dentry_kill+0x320/0x598 [ 76.517917][ T4798] shrink_dentry_list+0x400/0x7b8 [ 76.518706][ T4798] shrink_dcache_parent+0xb4/0x364 [ 76.519468][ T4798] do_one_tree+0x2c/0xf0 [ 76.520143][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 76.520942][ T4798] generic_shutdown_super+0x68/0x2f0 [ 76.521776][ T4798] kill_block_super+0x70/0xdc [ 76.522489][ T4798] deactivate_locked_super+0xb8/0x134 [ 76.523298][ T4798] deactivate_super+0xf0/0x110 [ 76.523981][ T4798] cleanup_mnt+0x3b8/0x46c [ 76.524640][ T4798] __cleanup_mnt+0x20/0x30 [ 76.525290][ T4798] task_work_run+0x12c/0x1d8 [ 76.525988][ T4798] do_notify_resume+0x2450/0x309c [ 76.526817][ T4798] el0_svc+0xf0/0x1d0 [ 76.527397][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 76.528218][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 76.528900][ T4798] irq event stamp: 198428 [ 76.529579][ T4798] hardirqs last enabled at (198427): [] __up_console_sem+0xb4/0xfc [ 76.531085][ T4798] hardirqs last disabled at (198428): [] el1_dbg+0x24/0x80 [ 76.532340][ T4798] softirqs last enabled at (198072): [] local_bh_enable+0x10/0x34 [ 76.533803][ T4798] softirqs last disabled at (198070): [] local_bh_disable+0x10/0x34 [ 76.535152][ T4798] ---[ end trace 1f9536340ba83b24 ]--- [ 76.597207][ T5006] loop0: detected capacity change from 0 to 1024 [ 76.655605][ T5006] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 76.667471][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.669329][ T4798] ------------[ cut here ]------------ [ 76.670122][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.671518][ T4798] Modules linked in: [ 76.672138][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.673408][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.674913][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.676077][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.676860][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.677708][ T4798] sp : ffff80001f486f80 [ 76.678276][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 76.679453][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 76.680582][ T4798] x23: ffff0000e25a82a0 x22: ffff0000d5dd3820 x21: ffff0000e25a82c8 [ 76.681827][ T4798] x20: ffff0000cef70068 x19: ffff0000cef70000 x18: 0000000000000001 [ 76.682968][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 76.684191][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 76.685339][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 76.686509][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.687815][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 76.689048][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.690231][ T4798] Call trace: [ 76.690689][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.691513][ T4798] ext4_xattr_block_set+0x524/0x267c [ 76.692278][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.693102][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 76.693927][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 76.694725][ T4798] ext4_dirty_inode+0xd0/0x100 [ 76.695413][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 76.696194][ T4798] iput+0x1b0/0x764 [ 76.696754][ T4798] dentry_unlink_inode+0x360/0x438 [ 76.697502][ T4798] __dentry_kill+0x320/0x598 [ 76.698160][ T4798] shrink_dentry_list+0x400/0x7b8 [ 76.698883][ T4798] shrink_dcache_parent+0xb4/0x364 [ 76.699590][ T4798] do_one_tree+0x2c/0xf0 [ 76.700218][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 76.700992][ T4798] generic_shutdown_super+0x68/0x2f0 [ 76.701757][ T4798] kill_block_super+0x70/0xdc [ 76.702424][ T4798] deactivate_locked_super+0xb8/0x134 [ 76.703163][ T4798] deactivate_super+0xf0/0x110 [ 76.703743][ T4798] cleanup_mnt+0x3b8/0x46c [ 76.704334][ T4798] __cleanup_mnt+0x20/0x30 [ 76.704955][ T4798] task_work_run+0x12c/0x1d8 [ 76.705598][ T4798] do_notify_resume+0x2450/0x309c [ 76.706326][ T4798] el0_svc+0xf0/0x1d0 [ 76.706887][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 76.707535][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 76.708184][ T4798] irq event stamp: 205812 [ 76.708799][ T4798] hardirqs last enabled at (205811): [] __up_console_sem+0xb4/0xfc [ 76.710129][ T4798] hardirqs last disabled at (205812): [] el1_dbg+0x24/0x80 [ 76.711537][ T4798] softirqs last enabled at (205458): [] local_bh_enable+0x10/0x34 [ 76.712970][ T4798] softirqs last disabled at (205456): [] local_bh_disable+0x10/0x34 [ 76.714359][ T4798] ---[ end trace 1f9536340ba83b25 ]--- [ 76.785944][ T5010] loop0: detected capacity change from 0 to 1024 [ 76.874132][ T5010] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 76.888777][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.893218][ T4798] ------------[ cut here ]------------ [ 76.894106][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.895639][ T4798] Modules linked in: [ 76.896215][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.897628][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.899119][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.900344][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.901180][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.902005][ T4798] sp : ffff80001f486f80 [ 76.902589][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 76.903783][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 76.905049][ T4798] x23: ffff0000e25a9690 x22: ffff0000d9e62820 x21: ffff0000e25a96b8 [ 76.906287][ T4798] x20: ffff0000d869c068 x19: ffff0000d869c000 x18: 1fffe000341f4996 [ 76.907579][ T4798] x17: 1fffe000341f4996 x16: ffff800011254cd0 x15: ffff80001432ed40 [ 76.908822][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 76.910066][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 76.911281][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 76.913359][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 76.914641][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.915833][ T4798] Call trace: [ 76.916298][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.917122][ T4798] ext4_xattr_block_set+0x524/0x267c [ 76.917947][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.918832][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 76.919638][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 76.920484][ T4798] ext4_dirty_inode+0xd0/0x100 [ 76.921181][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 76.921914][ T4798] iput+0x1b0/0x764 [ 76.922497][ T4798] dentry_unlink_inode+0x360/0x438 [ 76.923288][ T4798] __dentry_kill+0x320/0x598 [ 76.923963][ T4798] shrink_dentry_list+0x400/0x7b8 [ 76.924679][ T4798] shrink_dcache_parent+0xb4/0x364 [ 76.925456][ T4798] do_one_tree+0x2c/0xf0 [ 76.926118][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 76.926949][ T4798] generic_shutdown_super+0x68/0x2f0 [ 76.927704][ T4798] kill_block_super+0x70/0xdc [ 76.928436][ T4798] deactivate_locked_super+0xb8/0x134 [ 76.929236][ T4798] deactivate_super+0xf0/0x110 [ 76.929967][ T4798] cleanup_mnt+0x3b8/0x46c [ 76.930668][ T4798] __cleanup_mnt+0x20/0x30 [ 76.931503][ T4798] task_work_run+0x12c/0x1d8 [ 76.932239][ T4798] do_notify_resume+0x2450/0x309c [ 76.933062][ T4798] el0_svc+0xf0/0x1d0 [ 76.933696][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 76.934501][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 76.935193][ T4798] irq event stamp: 212658 [ 76.935833][ T4798] hardirqs last enabled at (212657): [] finish_lock_switch+0xb0/0x1c4 [ 76.937279][ T4798] hardirqs last disabled at (212658): [] el1_dbg+0x24/0x80 [ 76.938541][ T4798] softirqs last enabled at (212280): [] local_bh_enable+0x10/0x34 [ 76.939949][ T4798] softirqs last disabled at (212278): [] local_bh_disable+0x10/0x34 [ 76.941441][ T4798] ---[ end trace 1f9536340ba83b26 ]--- [ 76.983378][ T25] Bluetooth: hci0: command 0x040f tx timeout [ 76.998977][ T5014] loop0: detected capacity change from 0 to 1024 [ 77.005418][ T5014] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 77.019020][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.020718][ T4798] ------------[ cut here ]------------ [ 77.021532][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.022958][ T4798] Modules linked in: [ 77.023537][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.024830][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.026293][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.027460][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.028283][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.029095][ T4798] sp : ffff80001f486f80 [ 77.029743][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 77.031004][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 77.032179][ T4798] x23: ffff0000e27ef048 x22: ffff0000d8e25820 x21: ffff0000e27ef070 [ 77.033335][ T4798] x20: ffff0000de506068 x19: ffff0000de506000 x18: 0000000000000001 [ 77.034541][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 77.035783][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 77.036943][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 77.038171][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.039292][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 77.040479][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.041676][ T4798] Call trace: [ 77.042144][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.042969][ T4798] ext4_xattr_block_set+0x524/0x267c [ 77.043790][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.044580][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 77.045413][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 77.046191][ T4798] ext4_dirty_inode+0xd0/0x100 [ 77.046856][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 77.047629][ T4798] iput+0x1b0/0x764 [ 77.048202][ T4798] dentry_unlink_inode+0x360/0x438 [ 77.048879][ T4798] __dentry_kill+0x320/0x598 [ 77.049551][ T4798] shrink_dentry_list+0x400/0x7b8 [ 77.050265][ T4798] shrink_dcache_parent+0xb4/0x364 [ 77.051010][ T4798] do_one_tree+0x2c/0xf0 [ 77.051693][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 77.052558][ T4798] generic_shutdown_super+0x68/0x2f0 [ 77.053438][ T4798] kill_block_super+0x70/0xdc [ 77.054145][ T4798] deactivate_locked_super+0xb8/0x134 [ 77.054947][ T4798] deactivate_super+0xf0/0x110 [ 77.055652][ T4798] cleanup_mnt+0x3b8/0x46c [ 77.056258][ T4798] __cleanup_mnt+0x20/0x30 [ 77.056860][ T4798] task_work_run+0x12c/0x1d8 [ 77.057549][ T4798] do_notify_resume+0x2450/0x309c [ 77.058310][ T4798] el0_svc+0xf0/0x1d0 [ 77.059153][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 77.059910][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 77.060593][ T4798] irq event stamp: 220406 [ 77.061264][ T4798] hardirqs last enabled at (220405): [] __up_console_sem+0xb4/0xfc [ 77.062637][ T4798] hardirqs last disabled at (220406): [] el1_dbg+0x24/0x80 [ 77.063953][ T4798] softirqs last enabled at (220064): [] local_bh_enable+0x10/0x34 [ 77.065395][ T4798] softirqs last disabled at (220062): [] local_bh_disable+0x10/0x34 [ 77.066671][ T4798] ---[ end trace 1f9536340ba83b27 ]--- [ 77.116283][ T5018] loop0: detected capacity change from 0 to 1024 [ 77.158342][ T5018] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 77.167964][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.169815][ T4798] ------------[ cut here ]------------ [ 77.170754][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.172243][ T4798] Modules linked in: [ 77.172765][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.174068][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.175497][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.176619][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.177511][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.178377][ T4798] sp : ffff80001f486f80 [ 77.178996][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 77.180181][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 77.181407][ T4798] x23: ffff0000e277a088 x22: ffff0000cb307820 x21: ffff0000e277a0b0 [ 77.182572][ T4798] x20: ffff0000c17c0068 x19: ffff0000c17c0000 x18: 0000000000000001 [ 77.183794][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 77.185029][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 77.186232][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 77.187405][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 77.188605][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 77.189718][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.190862][ T4798] Call trace: [ 77.191386][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.192163][ T4798] ext4_xattr_block_set+0x524/0x267c [ 77.192963][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.193810][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 77.194724][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 77.195527][ T4798] ext4_dirty_inode+0xd0/0x100 [ 77.196263][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 77.196941][ T4798] iput+0x1b0/0x764 [ 77.197496][ T4798] dentry_unlink_inode+0x360/0x438 [ 77.198237][ T4798] __dentry_kill+0x320/0x598 [ 77.198920][ T4798] shrink_dentry_list+0x400/0x7b8 [ 77.199664][ T4798] shrink_dcache_parent+0xb4/0x364 [ 77.200402][ T4798] do_one_tree+0x2c/0xf0 [ 77.201006][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 77.201825][ T4798] generic_shutdown_super+0x68/0x2f0 [ 77.202643][ T4798] kill_block_super+0x70/0xdc [ 77.203329][ T4798] deactivate_locked_super+0xb8/0x134 [ 77.204128][ T4798] deactivate_super+0xf0/0x110 [ 77.204823][ T4798] cleanup_mnt+0x3b8/0x46c [ 77.205548][ T4798] __cleanup_mnt+0x20/0x30 [ 77.206241][ T4798] task_work_run+0x12c/0x1d8 [ 77.206977][ T4798] do_notify_resume+0x2450/0x309c [ 77.207690][ T4798] el0_svc+0xf0/0x1d0 [ 77.208330][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 77.209040][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 77.209691][ T4798] irq event stamp: 227602 [ 77.210318][ T4798] hardirqs last enabled at (227601): [] __schedule+0xef8/0x1bc4 [ 77.211686][ T4798] hardirqs last disabled at (227602): [] el1_dbg+0x24/0x80 [ 77.213009][ T4798] softirqs last enabled at (227242): [] local_bh_enable+0x10/0x34 [ 77.214348][ T4798] softirqs last disabled at (227240): [] local_bh_disable+0x10/0x34 [ 77.215796][ T4798] ---[ end trace 1f9536340ba83b28 ]--- [ 77.304314][ T5022] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 77.326131][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.328072][ T4798] ------------[ cut here ]------------ [ 77.328847][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.330225][ T4798] Modules linked in: [ 77.330778][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.332084][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.333541][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.334669][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.335491][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.336318][ T4798] sp : ffff80001f486f80 [ 77.336905][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 77.338101][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 77.339302][ T4798] x23: ffff0000e277c868 x22: ffff0000d06af820 x21: ffff0000e277c890 [ 77.340445][ T4798] x20: ffff0000c9518068 x19: ffff0000c9518000 x18: 0000000000000001 [ 77.341652][ T4798] x17: ffff800016e24000 x16: ffff800011254cd0 x15: ffff800016904500 [ 77.342807][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 77.344020][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 77.345194][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 77.346392][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 77.347525][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.348720][ T4798] Call trace: [ 77.349231][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.350089][ T4798] ext4_xattr_block_set+0x524/0x267c [ 77.350876][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.351734][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 77.352617][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 77.353414][ T4798] ext4_dirty_inode+0xd0/0x100 [ 77.354114][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 77.354905][ T4798] iput+0x1b0/0x764 [ 77.355460][ T4798] dentry_unlink_inode+0x360/0x438 [ 77.356185][ T4798] __dentry_kill+0x320/0x598 [ 77.356880][ T4798] shrink_dentry_list+0x400/0x7b8 [ 77.357670][ T4798] shrink_dcache_parent+0xb4/0x364 [ 77.358434][ T4798] do_one_tree+0x2c/0xf0 [ 77.359063][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 77.359975][ T4798] generic_shutdown_super+0x68/0x2f0 [ 77.360733][ T4798] kill_block_super+0x70/0xdc [ 77.361429][ T4798] deactivate_locked_super+0xb8/0x134 [ 77.362204][ T4798] deactivate_super+0xf0/0x110 [ 77.362919][ T4798] cleanup_mnt+0x3b8/0x46c [ 77.363598][ T4798] __cleanup_mnt+0x20/0x30 [ 77.364229][ T4798] task_work_run+0x12c/0x1d8 [ 77.364937][ T4798] do_notify_resume+0x2450/0x309c [ 77.365691][ T4798] el0_svc+0xf0/0x1d0 [ 77.366276][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 77.366999][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 77.367696][ T4798] irq event stamp: 234458 [ 77.368362][ T4798] hardirqs last enabled at (234457): [] __schedule+0xef8/0x1bc4 [ 77.369751][ T4798] hardirqs last disabled at (234458): [] el1_dbg+0x24/0x80 [ 77.371081][ T4798] softirqs last enabled at (234080): [] local_bh_enable+0x10/0x34 [ 77.372512][ T4798] softirqs last disabled at (234078): [] local_bh_disable+0x10/0x34 [ 77.373869][ T4798] ---[ end trace 1f9536340ba83b29 ]--- [ 77.466435][ T5026] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 77.476203][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.477848][ T4798] ------------[ cut here ]------------ [ 77.478679][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.480153][ T4798] Modules linked in: [ 77.480754][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.482144][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.483689][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.484870][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.485711][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.486581][ T4798] sp : ffff80001f486f80 [ 77.487156][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 77.488354][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 77.489484][ T4798] x23: ffff0000e277f048 x22: ffff0000d5e70820 x21: ffff0000e277f070 [ 77.490748][ T4798] x20: ffff0000d7e56068 x19: ffff0000d7e56000 x18: 0000000000000001 [ 77.491971][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 77.493123][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 77.494324][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 77.495555][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.496853][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 77.498095][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.499400][ T4798] Call trace: [ 77.499909][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.500720][ T4798] ext4_xattr_block_set+0x524/0x267c [ 77.501487][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.502375][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 77.503238][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 77.504132][ T4798] ext4_dirty_inode+0xd0/0x100 [ 77.504851][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 77.505660][ T4798] iput+0x1b0/0x764 [ 77.506205][ T4798] dentry_unlink_inode+0x360/0x438 [ 77.506938][ T4798] __dentry_kill+0x320/0x598 [ 77.507594][ T4798] shrink_dentry_list+0x400/0x7b8 [ 77.508327][ T4798] shrink_dcache_parent+0xb4/0x364 [ 77.509048][ T4798] do_one_tree+0x2c/0xf0 [ 77.509682][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 77.510398][ T4798] generic_shutdown_super+0x68/0x2f0 [ 77.511143][ T4798] kill_block_super+0x70/0xdc [ 77.511817][ T4798] deactivate_locked_super+0xb8/0x134 [ 77.512638][ T4798] deactivate_super+0xf0/0x110 [ 77.513436][ T4798] cleanup_mnt+0x3b8/0x46c [ 77.514074][ T4798] __cleanup_mnt+0x20/0x30 [ 77.514729][ T4798] task_work_run+0x12c/0x1d8 [ 77.515378][ T4798] do_notify_resume+0x2450/0x309c [ 77.516094][ T4798] el0_svc+0xf0/0x1d0 [ 77.516703][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 77.517420][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 77.518080][ T4798] irq event stamp: 241390 [ 77.518758][ T4798] hardirqs last enabled at (241389): [] __up_console_sem+0xb4/0xfc [ 77.520225][ T4798] hardirqs last disabled at (241390): [] el1_dbg+0x24/0x80 [ 77.521473][ T4798] softirqs last enabled at (241026): [] local_bh_enable+0x10/0x34 [ 77.522856][ T4798] softirqs last disabled at (241024): [] local_bh_disable+0x10/0x34 [ 77.524270][ T4798] ---[ end trace 1f9536340ba83b2a ]--- [ 77.685715][ T5030] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 77.695144][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.696775][ T4798] ------------[ cut here ]------------ [ 77.697479][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.698776][ T4798] Modules linked in: [ 77.699307][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.700480][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.701793][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.702856][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.703648][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.704463][ T4798] sp : ffff80001f486f80 [ 77.705031][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 77.706088][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 77.707195][ T4798] x23: ffff0000e272a088 x22: ffff0000c7805020 x21: ffff0000e272a0b0 [ 77.708344][ T4798] x20: ffff0000c957a068 x19: ffff0000c957a000 x18: 0000000000000001 [ 77.709630][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 77.711055][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 77.712225][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 77.713488][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.714609][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 77.715686][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.716858][ T4798] Call trace: [ 77.717336][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.718185][ T4798] ext4_xattr_block_set+0x524/0x267c [ 77.718980][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.719734][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 77.720584][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 77.721393][ T4798] ext4_dirty_inode+0xd0/0x100 [ 77.722065][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 77.722817][ T4798] iput+0x1b0/0x764 [ 77.723372][ T4798] dentry_unlink_inode+0x360/0x438 [ 77.724121][ T4798] __dentry_kill+0x320/0x598 [ 77.724754][ T4798] shrink_dentry_list+0x400/0x7b8 [ 77.725491][ T4798] shrink_dcache_parent+0xb4/0x364 [ 77.726228][ T4798] do_one_tree+0x2c/0xf0 [ 77.726837][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 77.727597][ T4798] generic_shutdown_super+0x68/0x2f0 [ 77.728366][ T4798] kill_block_super+0x70/0xdc [ 77.729036][ T4798] deactivate_locked_super+0xb8/0x134 [ 77.729830][ T4798] deactivate_super+0xf0/0x110 [ 77.730479][ T4798] cleanup_mnt+0x3b8/0x46c [ 77.731122][ T4798] __cleanup_mnt+0x20/0x30 [ 77.731757][ T4798] task_work_run+0x12c/0x1d8 [ 77.732388][ T4798] do_notify_resume+0x2450/0x309c [ 77.733137][ T4798] el0_svc+0xf0/0x1d0 [ 77.733682][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 77.734346][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 77.735023][ T4798] irq event stamp: 248224 [ 77.735664][ T4798] hardirqs last enabled at (248223): [] __up_console_sem+0xb4/0xfc [ 77.737085][ T4798] hardirqs last disabled at (248224): [] el1_dbg+0x24/0x80 [ 77.738387][ T4798] softirqs last enabled at (247882): [] local_bh_enable+0x10/0x34 [ 77.739657][ T4798] softirqs last disabled at (247880): [] local_bh_disable+0x10/0x34 [ 77.741009][ T4798] ---[ end trace 1f9536340ba83b2b ]--- [ 77.818619][ T5034] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 77.828077][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.829890][ T4798] ------------[ cut here ]------------ [ 77.830721][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.832110][ T4798] Modules linked in: [ 77.832692][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.834052][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.835553][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.836705][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.837619][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.838515][ T4798] sp : ffff80001f486f80 [ 77.839117][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 77.840359][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 77.841719][ T4798] x23: ffff0000e25ad260 x22: ffff0000c83f3020 x21: ffff0000e25ad288 [ 77.843073][ T4798] x20: ffff0000cab42068 x19: ffff0000cab42000 x18: 0000000000000001 [ 77.844368][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 77.845653][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 77.846896][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 77.848167][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.849368][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 77.850554][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.851722][ T4798] Call trace: [ 77.852182][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.852982][ T4798] ext4_xattr_block_set+0x524/0x267c [ 77.853707][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.854690][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 77.855529][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 77.856322][ T4798] ext4_dirty_inode+0xd0/0x100 [ 77.857127][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 77.857899][ T4798] iput+0x1b0/0x764 [ 77.858487][ T4798] dentry_unlink_inode+0x360/0x438 [ 77.859225][ T4798] __dentry_kill+0x320/0x598 [ 77.859941][ T4798] shrink_dentry_list+0x400/0x7b8 [ 77.860704][ T4798] shrink_dcache_parent+0xb4/0x364 [ 77.861424][ T4798] do_one_tree+0x2c/0xf0 [ 77.862102][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 77.862883][ T4798] generic_shutdown_super+0x68/0x2f0 [ 77.863647][ T4798] kill_block_super+0x70/0xdc [ 77.864343][ T4798] deactivate_locked_super+0xb8/0x134 [ 77.865129][ T4798] deactivate_super+0xf0/0x110 [ 77.865839][ T4798] cleanup_mnt+0x3b8/0x46c [ 77.866496][ T4798] __cleanup_mnt+0x20/0x30 [ 77.867179][ T4798] task_work_run+0x12c/0x1d8 [ 77.867868][ T4798] do_notify_resume+0x2450/0x309c [ 77.868582][ T4798] el0_svc+0xf0/0x1d0 [ 77.869168][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 77.869921][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 77.870631][ T4798] irq event stamp: 255642 [ 77.871319][ T4798] hardirqs last enabled at (255641): [] __up_console_sem+0xb4/0xfc [ 77.872748][ T4798] hardirqs last disabled at (255642): [] el1_dbg+0x24/0x80 [ 77.874203][ T4798] softirqs last enabled at (255274): [] local_bh_enable+0x10/0x34 [ 77.875662][ T4798] softirqs last disabled at (255272): [] local_bh_disable+0x10/0x34 [ 77.877066][ T4798] ---[ end trace 1f9536340ba83b2c ]--- [ 77.934817][ T5039] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 77.945052][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.946734][ T4798] ------------[ cut here ]------------ [ 77.947465][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.948870][ T4798] Modules linked in: [ 77.949432][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.950778][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.952354][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.953538][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.954437][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.955328][ T4798] sp : ffff80001f486f80 [ 77.955961][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 77.957189][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 77.958395][ T4798] x23: ffff0000e24f02a0 x22: ffff0000d9618020 x21: ffff0000e24f02c8 [ 77.959691][ T4798] x20: ffff0000c958a068 x19: ffff0000c958a000 x18: 0000000000000001 [ 77.960945][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 77.962219][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 77.963500][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 77.964662][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.965774][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 77.967003][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.968201][ T4798] Call trace: [ 77.968661][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.969526][ T4798] ext4_xattr_block_set+0x524/0x267c [ 77.970280][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.971110][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 77.971870][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 77.972710][ T4798] ext4_dirty_inode+0xd0/0x100 [ 77.973394][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 77.974172][ T4798] iput+0x1b0/0x764 [ 77.974711][ T4798] dentry_unlink_inode+0x360/0x438 [ 77.975455][ T4798] __dentry_kill+0x320/0x598 [ 77.976122][ T4798] shrink_dentry_list+0x400/0x7b8 [ 77.976869][ T4798] shrink_dcache_parent+0xb4/0x364 [ 77.977614][ T4798] do_one_tree+0x2c/0xf0 [ 77.978244][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 77.979023][ T4798] generic_shutdown_super+0x68/0x2f0 [ 77.979827][ T4798] kill_block_super+0x70/0xdc [ 77.980530][ T4798] deactivate_locked_super+0xb8/0x134 [ 77.981351][ T4798] deactivate_super+0xf0/0x110 [ 77.982079][ T4798] cleanup_mnt+0x3b8/0x46c [ 77.982732][ T4798] __cleanup_mnt+0x20/0x30 [ 77.983371][ T4798] task_work_run+0x12c/0x1d8 [ 77.984038][ T4798] do_notify_resume+0x2450/0x309c [ 77.984762][ T4798] el0_svc+0xf0/0x1d0 [ 77.985354][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 77.986246][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 77.986931][ T4798] irq event stamp: 264212 [ 77.987600][ T4798] hardirqs last enabled at (264211): [] __up_console_sem+0xb4/0xfc [ 77.989038][ T4798] hardirqs last disabled at (264212): [] el1_dbg+0x24/0x80 [ 77.990309][ T4798] softirqs last enabled at (263874): [] local_bh_enable+0x10/0x34 [ 77.991749][ T4798] softirqs last disabled at (263872): [] local_bh_disable+0x10/0x34 [ 77.993174][ T4798] ---[ end trace 1f9536340ba83b2d ]--- [ 78.094706][ T5043] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 78.103845][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.105576][ T4798] ------------[ cut here ]------------ [ 78.106333][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.107711][ T4798] Modules linked in: [ 78.108301][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.109895][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.111305][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.112486][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.113345][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.114204][ T4798] sp : ffff80001f486f80 [ 78.114784][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 78.115989][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 78.117167][ T4798] x23: ffff0000e24f2088 x22: ffff0000c7f68820 x21: ffff0000e24f20b0 [ 78.118408][ T4798] x20: ffff0000dab74068 x19: ffff0000dab74000 x18: 0000000000000001 [ 78.119585][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 78.120718][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 78.121848][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 78.123111][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.124386][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 78.125584][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.126770][ T4798] Call trace: [ 78.127234][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.128066][ T4798] ext4_xattr_block_set+0x524/0x267c [ 78.128831][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.129665][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 78.130582][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 78.131363][ T4798] ext4_dirty_inode+0xd0/0x100 [ 78.132053][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 78.132788][ T4798] iput+0x1b0/0x764 [ 78.133282][ T4798] dentry_unlink_inode+0x360/0x438 [ 78.134058][ T4798] __dentry_kill+0x320/0x598 [ 78.134756][ T4798] shrink_dentry_list+0x400/0x7b8 [ 78.135482][ T4798] shrink_dcache_parent+0xb4/0x364 [ 78.136169][ T4798] do_one_tree+0x2c/0xf0 [ 78.136826][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 78.137629][ T4798] generic_shutdown_super+0x68/0x2f0 [ 78.138369][ T4798] kill_block_super+0x70/0xdc [ 78.139091][ T4798] deactivate_locked_super+0xb8/0x134 [ 78.139916][ T4798] deactivate_super+0xf0/0x110 [ 78.140651][ T4798] cleanup_mnt+0x3b8/0x46c [ 78.141348][ T4798] __cleanup_mnt+0x20/0x30 [ 78.142018][ T4798] task_work_run+0x12c/0x1d8 [ 78.142696][ T4798] do_notify_resume+0x2450/0x309c [ 78.143434][ T4798] el0_svc+0xf0/0x1d0 [ 78.144033][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 78.144750][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 78.145398][ T4798] irq event stamp: 271754 [ 78.146015][ T4798] hardirqs last enabled at (271753): [] __up_console_sem+0xb4/0xfc [ 78.147403][ T4798] hardirqs last disabled at (271754): [] el1_dbg+0x24/0x80 [ 78.148735][ T4798] softirqs last enabled at (271396): [] local_bh_enable+0x10/0x34 [ 78.150098][ T4798] softirqs last disabled at (271394): [] local_bh_disable+0x10/0x34 [ 78.151519][ T4798] ---[ end trace 1f9536340ba83b2e ]--- [ 78.235614][ T5047] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 78.249163][ T1648] device hsr_slave_0 left promiscuous mode [ 78.254103][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.255930][ T4798] ------------[ cut here ]------------ [ 78.256731][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.258152][ T4798] Modules linked in: [ 78.258740][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.260064][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.261611][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.262691][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.263529][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.264385][ T4798] sp : ffff80001f486f80 [ 78.265025][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 78.266306][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 78.267651][ T4798] x23: ffff0000e272be70 x22: ffff0000cb508020 x21: ffff0000e272be98 [ 78.268908][ T4798] x20: ffff0000cd286068 x19: ffff0000cd286000 x18: 0000000000000001 [ 78.270187][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 78.271360][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 78.272554][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 78.273768][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.275080][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 78.276390][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.277539][ T4798] Call trace: [ 78.278079][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.278904][ T4798] ext4_xattr_block_set+0x524/0x267c [ 78.279664][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.280543][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 78.281328][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 78.282109][ T4798] ext4_dirty_inode+0xd0/0x100 [ 78.282796][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 78.283482][ T4798] iput+0x1b0/0x764 [ 78.284076][ T4798] dentry_unlink_inode+0x360/0x438 [ 78.284896][ T4798] __dentry_kill+0x320/0x598 [ 78.285675][ T4798] shrink_dentry_list+0x400/0x7b8 [ 78.286457][ T4798] shrink_dcache_parent+0xb4/0x364 [ 78.287247][ T4798] do_one_tree+0x2c/0xf0 [ 78.287866][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 78.288660][ T4798] generic_shutdown_super+0x68/0x2f0 [ 78.289433][ T4798] kill_block_super+0x70/0xdc [ 78.290125][ T4798] deactivate_locked_super+0xb8/0x134 [ 78.290841][ T4798] deactivate_super+0xf0/0x110 [ 78.291576][ T4798] cleanup_mnt+0x3b8/0x46c [ 78.292217][ T4798] __cleanup_mnt+0x20/0x30 [ 78.292855][ T4798] task_work_run+0x12c/0x1d8 [ 78.293515][ T4798] do_notify_resume+0x2450/0x309c [ 78.294275][ T4798] el0_svc+0xf0/0x1d0 [ 78.294832][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 78.295564][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 78.296227][ T4798] irq event stamp: 278228 [ 78.296865][ T4798] hardirqs last enabled at (278227): [] __up_console_sem+0xb4/0xfc [ 78.298328][ T4798] hardirqs last disabled at (278228): [] el1_dbg+0x24/0x80 [ 78.299734][ T4798] softirqs last enabled at (278212): [] handle_softirqs+0xa40/0xbe4 [ 78.301129][ T4798] softirqs last disabled at (278083): [] __irq_exit_rcu+0x240/0x43c [ 78.302537][ T4798] ---[ end trace 1f9536340ba83b2f ]--- [ 78.303989][ T1648] device hsr_slave_1 left promiscuous mode [ 78.373036][ T1648] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.374286][ T1648] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.375738][ T1648] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.376803][ T1648] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.378041][ T1648] device bridge_slave_1 left promiscuous mode [ 78.379183][ T1648] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.404787][ T1648] device bridge_slave_0 left promiscuous mode [ 78.405774][ T1648] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.415581][ T5051] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 78.430113][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.431967][ T4798] ------------[ cut here ]------------ [ 78.432690][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.434053][ T4798] Modules linked in: [ 78.434710][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.436011][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.437490][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.438615][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.439478][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.440348][ T4798] sp : ffff80001f486f80 [ 78.440945][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 78.442122][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 78.443326][ T4798] x23: ffff0000e272d260 x22: ffff0000dda24820 x21: ffff0000e272d288 [ 78.444627][ T4798] x20: ffff0000e71f4068 x19: ffff0000e71f4000 x18: 0000000000000001 [ 78.445816][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 78.447062][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 78.448298][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 78.449571][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.450902][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 78.452093][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.453343][ T4798] Call trace: [ 78.453816][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.454697][ T4798] ext4_xattr_block_set+0x524/0x267c [ 78.455486][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.456303][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 78.457181][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 78.458001][ T4798] ext4_dirty_inode+0xd0/0x100 [ 78.458687][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 78.459402][ T4798] iput+0x1b0/0x764 [ 78.459984][ T4798] dentry_unlink_inode+0x360/0x438 [ 78.460746][ T4798] __dentry_kill+0x320/0x598 [ 78.461404][ T4798] shrink_dentry_list+0x400/0x7b8 [ 78.462088][ T4798] shrink_dcache_parent+0xb4/0x364 [ 78.462782][ T4798] do_one_tree+0x2c/0xf0 [ 78.463414][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 78.464181][ T4798] generic_shutdown_super+0x68/0x2f0 [ 78.464916][ T4798] kill_block_super+0x70/0xdc [ 78.465605][ T4798] deactivate_locked_super+0xb8/0x134 [ 78.466367][ T4798] deactivate_super+0xf0/0x110 [ 78.467063][ T4798] cleanup_mnt+0x3b8/0x46c [ 78.467699][ T4798] __cleanup_mnt+0x20/0x30 [ 78.468350][ T4798] task_work_run+0x12c/0x1d8 [ 78.468980][ T4798] do_notify_resume+0x2450/0x309c [ 78.469675][ T4798] el0_svc+0xf0/0x1d0 [ 78.470294][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 78.471035][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 78.471688][ T4798] irq event stamp: 285114 [ 78.472327][ T4798] hardirqs last enabled at (285113): [] __up_console_sem+0xb4/0xfc [ 78.473747][ T4798] hardirqs last disabled at (285114): [] el1_dbg+0x24/0x80 [ 78.475103][ T4798] softirqs last enabled at (284766): [] local_bh_enable+0x10/0x34 [ 78.476552][ T4798] softirqs last disabled at (284764): [] local_bh_disable+0x10/0x34 [ 78.477934][ T4798] ---[ end trace 1f9536340ba83b30 ]--- [ 78.563141][ T1648] device veth1_macvtap left promiscuous mode [ 78.564439][ T1648] device veth0_macvtap left promiscuous mode [ 78.565390][ T1648] device veth1_vlan left promiscuous mode [ 78.566289][ T1648] device veth0_vlan left promiscuous mode [ 78.619463][ T5055] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 78.639607][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.641466][ T4798] ------------[ cut here ]------------ [ 78.642280][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.643846][ T4798] Modules linked in: [ 78.644458][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.646000][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.647478][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.648753][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.649657][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.650528][ T4798] sp : ffff80001f486f80 [ 78.651177][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 78.652440][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 78.653732][ T4798] x23: ffff0000e24f7048 x22: ffff0000d7a13020 x21: ffff0000e24f7070 [ 78.655106][ T4798] x20: ffff0000e813e068 x19: ffff0000e813e000 x18: 0000000000000001 [ 78.656412][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 78.657637][ T4798] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 78.658959][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 78.660110][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.661399][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 78.662666][ T4798] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.663908][ T4798] Call trace: [ 78.664368][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.665189][ T4798] ext4_xattr_block_set+0x524/0x267c [ 78.665994][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.666875][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 78.667744][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 78.668630][ T4798] ext4_dirty_inode+0xd0/0x100 [ 78.669373][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 78.670098][ T4798] iput+0x1b0/0x764 [ 78.670676][ T4798] dentry_unlink_inode+0x360/0x438 [ 78.671469][ T4798] __dentry_kill+0x320/0x598 [ 78.672199][ T4798] shrink_dentry_list+0x400/0x7b8 [ 78.672928][ T4798] shrink_dcache_parent+0xb4/0x364 [ 78.673721][ T4798] do_one_tree+0x2c/0xf0 [ 78.674358][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 78.675264][ T4798] generic_shutdown_super+0x68/0x2f0 [ 78.676105][ T4798] kill_block_super+0x70/0xdc [ 78.676872][ T4798] deactivate_locked_super+0xb8/0x134 [ 78.677669][ T4798] deactivate_super+0xf0/0x110 [ 78.678328][ T4798] cleanup_mnt+0x3b8/0x46c [ 78.678977][ T4798] __cleanup_mnt+0x20/0x30 [ 78.679674][ T4798] task_work_run+0x12c/0x1d8 [ 78.680332][ T4798] do_notify_resume+0x2450/0x309c [ 78.681104][ T4798] el0_svc+0xf0/0x1d0 [ 78.681712][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 78.682453][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 78.683104][ T4798] irq event stamp: 292846 [ 78.683804][ T4798] hardirqs last enabled at (292845): [] __up_console_sem+0xb4/0xfc [ 78.685188][ T4798] hardirqs last disabled at (292846): [] el1_dbg+0x24/0x80 [ 78.686516][ T4798] softirqs last enabled at (292492): [] local_bh_enable+0x10/0x34 [ 78.687874][ T4798] softirqs last disabled at (292490): [] local_bh_disable+0x10/0x34 [ 78.689225][ T4798] ---[ end trace 1f9536340ba83b31 ]--- [ 78.752536][ T1648] team0 (unregistering): Port device team_slave_1 removed [ 78.759137][ T1648] team0 (unregistering): Port device team_slave_0 removed [ 78.764911][ T1648] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 78.764943][ T5059] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 78.775904][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.777739][ T4798] ------------[ cut here ]------------ [ 78.778619][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.780015][ T4798] Modules linked in: [ 78.780574][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.781917][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.783409][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.784581][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.785441][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.786212][ T4798] sp : ffff80001f486f80 [ 78.786871][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 78.788107][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 78.789330][ T4798] x23: ffff0000e24d82a0 x22: ffff0000cdf07820 x21: ffff0000e24d82c8 [ 78.790507][ T4798] x20: ffff0000ecb0a068 x19: ffff0000ecb0a000 x18: 0000000000000001 [ 78.791625][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 78.792860][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 78.794119][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 78.795278][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 78.796522][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 78.797733][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.798877][ T4798] Call trace: [ 78.799331][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.800155][ T4798] ext4_xattr_block_set+0x524/0x267c [ 78.800901][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.801774][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 78.802611][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 78.803472][ T4798] ext4_dirty_inode+0xd0/0x100 [ 78.804209][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 78.804943][ T4798] iput+0x1b0/0x764 [ 78.805502][ T4798] dentry_unlink_inode+0x360/0x438 [ 78.806280][ T4798] __dentry_kill+0x320/0x598 [ 78.806985][ T4798] shrink_dentry_list+0x400/0x7b8 [ 78.807743][ T4798] shrink_dcache_parent+0xb4/0x364 [ 78.808498][ T4798] do_one_tree+0x2c/0xf0 [ 78.809152][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 78.809973][ T4798] generic_shutdown_super+0x68/0x2f0 [ 78.810699][ T4798] kill_block_super+0x70/0xdc [ 78.811392][ T4798] deactivate_locked_super+0xb8/0x134 [ 78.812168][ T4798] deactivate_super+0xf0/0x110 [ 78.812859][ T4798] cleanup_mnt+0x3b8/0x46c [ 78.813512][ T4798] __cleanup_mnt+0x20/0x30 [ 78.814210][ T4798] task_work_run+0x12c/0x1d8 [ 78.814924][ T4798] do_notify_resume+0x2450/0x309c [ 78.815606][ T4798] el0_svc+0xf0/0x1d0 [ 78.816186][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 78.816889][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 78.817545][ T4798] irq event stamp: 300314 [ 78.818182][ T4798] hardirqs last enabled at (300313): [] __schedule+0xef8/0x1bc4 [ 78.819580][ T4798] hardirqs last disabled at (300314): [] el1_dbg+0x24/0x80 [ 78.820907][ T4798] softirqs last enabled at (299974): [] local_bh_enable+0x10/0x34 [ 78.822266][ T4798] softirqs last disabled at (299972): [] local_bh_disable+0x10/0x34 [ 78.823697][ T4798] ---[ end trace 1f9536340ba83b32 ]--- [ 78.838774][ T1648] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 78.905569][ T5063] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 78.915324][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.917266][ T4798] ------------[ cut here ]------------ [ 78.918196][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.919789][ T4798] Modules linked in: [ 78.920450][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.921800][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.923289][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.924471][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.925381][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.926215][ T4798] sp : ffff80001f486f80 [ 78.926836][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 78.928098][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 78.929357][ T4798] x23: ffff0000e24daa80 x22: ffff0000da378820 x21: ffff0000e24daaa8 [ 78.930644][ T4798] x20: ffff0000ebab6068 x19: ffff0000ebab6000 x18: 0000000000000001 [ 78.931875][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 78.933079][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 78.934327][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 78.935601][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.936759][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 78.938027][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.939239][ T4798] Call trace: [ 78.939698][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.940586][ T4798] ext4_xattr_block_set+0x524/0x267c [ 78.941425][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.942315][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 78.943218][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 78.943895][ T4798] ext4_dirty_inode+0xd0/0x100 [ 78.944572][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 78.945280][ T4798] iput+0x1b0/0x764 [ 78.945760][ T4798] dentry_unlink_inode+0x360/0x438 [ 78.946491][ T4798] __dentry_kill+0x320/0x598 [ 78.947214][ T4798] shrink_dentry_list+0x400/0x7b8 [ 78.947951][ T4798] shrink_dcache_parent+0xb4/0x364 [ 78.948706][ T4798] do_one_tree+0x2c/0xf0 [ 78.949380][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 78.950213][ T4798] generic_shutdown_super+0x68/0x2f0 [ 78.951028][ T4798] kill_block_super+0x70/0xdc [ 78.951733][ T4798] deactivate_locked_super+0xb8/0x134 [ 78.952599][ T4798] deactivate_super+0xf0/0x110 [ 78.953328][ T4798] cleanup_mnt+0x3b8/0x46c [ 78.954048][ T4798] __cleanup_mnt+0x20/0x30 [ 78.954714][ T4798] task_work_run+0x12c/0x1d8 [ 78.955394][ T4798] do_notify_resume+0x2450/0x309c [ 78.956210][ T4798] el0_svc+0xf0/0x1d0 [ 78.956779][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 78.957544][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 78.958174][ T4798] irq event stamp: 306704 [ 78.958803][ T4798] hardirqs last enabled at (306703): [] __up_console_sem+0xb4/0xfc [ 78.960255][ T4798] hardirqs last disabled at (306704): [] el1_dbg+0x24/0x80 [ 78.961611][ T4798] softirqs last enabled at (306360): [] local_bh_enable+0x10/0x34 [ 78.963021][ T4798] softirqs last disabled at (306358): [] local_bh_disable+0x10/0x34 [ 78.964488][ T4798] ---[ end trace 1f9536340ba83b33 ]--- [ 78.979435][ T1648] bond0 (unregistering): Released all slaves [ 79.044277][ T5067] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 79.054558][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.056320][ T4798] ------------[ cut here ]------------ [ 79.057133][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.058579][ T4798] Modules linked in: [ 79.059223][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.060520][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.062039][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.063302][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.064208][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.065091][ T4798] sp : ffff80001f486f80 [ 79.065716][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 79.066909][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 79.068182][ T4798] x23: ffff0000e24dd260 x22: ffff0000d0622820 x21: ffff0000e24dd288 [ 79.069419][ T4798] x20: ffff0000dc1e4068 x19: ffff0000dc1e4000 x18: 0000000000000001 [ 79.070547][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 79.071857][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 79.073063][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 79.074266][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.075512][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 79.076833][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.078090][ T4798] Call trace: [ 79.078600][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.079407][ T4798] ext4_xattr_block_set+0x524/0x267c [ 79.080136][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.081083][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 79.082019][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 79.082954][ T4798] ext4_dirty_inode+0xd0/0x100 [ 79.083682][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 79.084435][ T4798] iput+0x1b0/0x764 [ 79.085019][ T4798] dentry_unlink_inode+0x360/0x438 [ 79.085818][ T4798] __dentry_kill+0x320/0x598 [ 79.086532][ T4798] shrink_dentry_list+0x400/0x7b8 [ 79.087342][ T4798] shrink_dcache_parent+0xb4/0x364 [ 79.088076][ T4798] do_one_tree+0x2c/0xf0 [ 79.088720][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 79.089494][ T4798] generic_shutdown_super+0x68/0x2f0 [ 79.090289][ T4798] kill_block_super+0x70/0xdc [ 79.091019][ T4798] deactivate_locked_super+0xb8/0x134 [ 79.091831][ T4798] deactivate_super+0xf0/0x110 [ 79.092517][ T4798] cleanup_mnt+0x3b8/0x46c [ 79.093251][ T4798] __cleanup_mnt+0x20/0x30 [ 79.093913][ T4798] task_work_run+0x12c/0x1d8 [ 79.094618][ T4798] do_notify_resume+0x2450/0x309c [ 79.095337][ T4798] el0_svc+0xf0/0x1d0 [ 79.095929][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 79.096691][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 79.097315][ T4798] irq event stamp: 313440 [ 79.097933][ T4798] hardirqs last enabled at (313439): [] __up_console_sem+0xb4/0xfc [ 79.099333][ T4798] hardirqs last disabled at (313440): [] el1_dbg+0x24/0x80 [ 79.100663][ T4798] softirqs last enabled at (313084): [] local_bh_enable+0x10/0x34 [ 79.102144][ T4798] softirqs last disabled at (313082): [] local_bh_disable+0x10/0x34 [ 79.103537][ T4798] ---[ end trace 1f9536340ba83b34 ]--- [ 79.105608][ T1541] Bluetooth: hci0: command 0x0419 tx timeout [ 79.236028][ T5071] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 79.246075][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.247809][ T4798] ------------[ cut here ]------------ [ 79.248600][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.250038][ T4798] Modules linked in: [ 79.250580][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.251929][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.253444][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.254684][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.255524][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.256344][ T4798] sp : ffff80001f486f80 [ 79.256974][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 79.258159][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 79.259346][ T4798] x23: ffff0000e24d1690 x22: ffff0000c1454020 x21: ffff0000e24d16b8 [ 79.260562][ T4798] x20: ffff0000db942068 x19: ffff0000db942000 x18: 0000000000000001 [ 79.261741][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 79.262927][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 79.264071][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 79.265203][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.266474][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 79.267585][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.268878][ T4798] Call trace: [ 79.269342][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.270225][ T4798] ext4_xattr_block_set+0x524/0x267c [ 79.271048][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.271925][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 79.272801][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 79.273538][ T4798] ext4_dirty_inode+0xd0/0x100 [ 79.274240][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 79.275050][ T4798] iput+0x1b0/0x764 [ 79.275635][ T4798] dentry_unlink_inode+0x360/0x438 [ 79.276401][ T4798] __dentry_kill+0x320/0x598 [ 79.277084][ T4798] shrink_dentry_list+0x400/0x7b8 [ 79.277784][ T4798] shrink_dcache_parent+0xb4/0x364 [ 79.278526][ T4798] do_one_tree+0x2c/0xf0 [ 79.279160][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 79.279981][ T4798] generic_shutdown_super+0x68/0x2f0 [ 79.280755][ T4798] kill_block_super+0x70/0xdc [ 79.281408][ T4798] deactivate_locked_super+0xb8/0x134 [ 79.282219][ T4798] deactivate_super+0xf0/0x110 [ 79.282850][ T4798] cleanup_mnt+0x3b8/0x46c [ 79.283433][ T4798] __cleanup_mnt+0x20/0x30 [ 79.284106][ T4798] task_work_run+0x12c/0x1d8 [ 79.284863][ T4798] do_notify_resume+0x2450/0x309c [ 79.285607][ T4798] el0_svc+0xf0/0x1d0 [ 79.286203][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 79.286907][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 79.287592][ T4798] irq event stamp: 321604 [ 79.288238][ T4798] hardirqs last enabled at (321603): [] __up_console_sem+0xb4/0xfc [ 79.289710][ T4798] hardirqs last disabled at (321604): [] el1_dbg+0x24/0x80 [ 79.291116][ T4798] softirqs last enabled at (321228): [] local_bh_enable+0x10/0x34 [ 79.292590][ T4798] softirqs last disabled at (321226): [] local_bh_disable+0x10/0x34 [ 79.294006][ T4798] ---[ end trace 1f9536340ba83b35 ]--- [ 79.415820][ T5075] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 79.426204][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.428018][ T4798] ------------[ cut here ]------------ [ 79.428923][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.430453][ T4798] Modules linked in: [ 79.431070][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.432425][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.433898][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.435065][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.436038][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.436939][ T4798] sp : ffff80001f486f80 [ 79.437574][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 79.438782][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 79.439943][ T4798] x23: ffff0000e24d3e70 x22: ffff0000dbe6b020 x21: ffff0000e24d3e98 [ 79.441191][ T4798] x20: ffff0000ec07c068 x19: ffff0000ec07c000 x18: 0000000000000001 [ 79.442472][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 79.443724][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 79.444934][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 79.446175][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.447468][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 79.448669][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.449921][ T4798] Call trace: [ 79.450469][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.451349][ T4798] ext4_xattr_block_set+0x524/0x267c [ 79.452327][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.453203][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 79.454063][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 79.454905][ T4798] ext4_dirty_inode+0xd0/0x100 [ 79.455603][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 79.456389][ T4798] iput+0x1b0/0x764 [ 79.456980][ T4798] dentry_unlink_inode+0x360/0x438 [ 79.457733][ T4798] __dentry_kill+0x320/0x598 [ 79.458464][ T4798] shrink_dentry_list+0x400/0x7b8 [ 79.459233][ T4798] shrink_dcache_parent+0xb4/0x364 [ 79.460068][ T4798] do_one_tree+0x2c/0xf0 [ 79.460749][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 79.461611][ T4798] generic_shutdown_super+0x68/0x2f0 [ 79.462398][ T4798] kill_block_super+0x70/0xdc [ 79.463131][ T4798] deactivate_locked_super+0xb8/0x134 [ 79.463924][ T4798] deactivate_super+0xf0/0x110 [ 79.464674][ T4798] cleanup_mnt+0x3b8/0x46c [ 79.465367][ T4798] __cleanup_mnt+0x20/0x30 [ 79.466084][ T4798] task_work_run+0x12c/0x1d8 [ 79.466796][ T4798] do_notify_resume+0x2450/0x309c [ 79.467533][ T4798] el0_svc+0xf0/0x1d0 [ 79.468101][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 79.468902][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 79.469553][ T4798] irq event stamp: 328396 [ 79.470225][ T4798] hardirqs last enabled at (328395): [] __up_console_sem+0xb4/0xfc [ 79.471693][ T4798] hardirqs last disabled at (328396): [] el1_dbg+0x24/0x80 [ 79.473024][ T4798] softirqs last enabled at (328046): [] local_bh_enable+0x10/0x34 [ 79.474521][ T4798] softirqs last disabled at (328044): [] local_bh_disable+0x10/0x34 [ 79.476043][ T4798] ---[ end trace 1f9536340ba83b36 ]--- [ 79.564284][ T5079] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 79.574540][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.576321][ T4798] ------------[ cut here ]------------ [ 79.577088][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.578523][ T4798] Modules linked in: [ 79.579077][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.580235][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.581874][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.583062][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.583935][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.584727][ T4798] sp : ffff80001f486f80 [ 79.585360][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 79.586511][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 79.587682][ T4798] x23: ffff0000e24d6650 x22: ffff0000c1227820 x21: ffff0000e24d6678 [ 79.588891][ T4798] x20: ffff0000d375c068 x19: ffff0000d375c000 x18: 0000000000000001 [ 79.590039][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 79.591222][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 79.592361][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 79.593593][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.594816][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 79.595981][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.597197][ T4798] Call trace: [ 79.597646][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.598406][ T4798] ext4_xattr_block_set+0x524/0x267c [ 79.599174][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.600107][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 79.600970][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 79.601742][ T4798] ext4_dirty_inode+0xd0/0x100 [ 79.602519][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 79.603248][ T4798] iput+0x1b0/0x764 [ 79.603841][ T4798] dentry_unlink_inode+0x360/0x438 [ 79.604601][ T4798] __dentry_kill+0x320/0x598 [ 79.605294][ T4798] shrink_dentry_list+0x400/0x7b8 [ 79.606025][ T4798] shrink_dcache_parent+0xb4/0x364 [ 79.606790][ T4798] do_one_tree+0x2c/0xf0 [ 79.607433][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 79.608240][ T4798] generic_shutdown_super+0x68/0x2f0 [ 79.609066][ T4798] kill_block_super+0x70/0xdc [ 79.609702][ T4798] deactivate_locked_super+0xb8/0x134 [ 79.610524][ T4798] deactivate_super+0xf0/0x110 [ 79.611276][ T4798] cleanup_mnt+0x3b8/0x46c [ 79.611890][ T4798] __cleanup_mnt+0x20/0x30 [ 79.612616][ T4798] task_work_run+0x12c/0x1d8 [ 79.613340][ T4798] do_notify_resume+0x2450/0x309c [ 79.614125][ T4798] el0_svc+0xf0/0x1d0 [ 79.614705][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 79.615492][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 79.616165][ T4798] irq event stamp: 335548 [ 79.616779][ T4798] hardirqs last enabled at (335547): [] __up_console_sem+0xb4/0xfc [ 79.618164][ T4798] hardirqs last disabled at (335548): [] el1_dbg+0x24/0x80 [ 79.619497][ T4798] softirqs last enabled at (335186): [] local_bh_enable+0x10/0x34 [ 79.620941][ T4798] softirqs last disabled at (335184): [] local_bh_disable+0x10/0x34 [ 79.622267][ T4798] ---[ end trace 1f9536340ba83b37 ]--- [ 79.735255][ T5083] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 79.745187][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.746939][ T4798] ------------[ cut here ]------------ [ 79.747779][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.749307][ T4798] Modules linked in: [ 79.749936][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.751414][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.752944][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.754136][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.755150][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.756135][ T4798] sp : ffff80001f486f80 [ 79.756783][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 79.758170][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 79.759417][ T4798] x23: ffff0000e2771690 x22: ffff0000cac8a020 x21: ffff0000e27716b8 [ 79.760664][ T4798] x20: ffff0000d9d98068 x19: ffff0000d9d98000 x18: 0000000000000001 [ 79.761859][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 79.763161][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 79.764406][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 79.765675][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.766966][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 79.768216][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.769424][ T4798] Call trace: [ 79.769970][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.770843][ T4798] ext4_xattr_block_set+0x524/0x267c [ 79.771613][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.772521][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 79.773420][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 79.774271][ T4798] ext4_dirty_inode+0xd0/0x100 [ 79.775074][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 79.775824][ T4798] iput+0x1b0/0x764 [ 79.776417][ T4798] dentry_unlink_inode+0x360/0x438 [ 79.777251][ T4798] __dentry_kill+0x320/0x598 [ 79.778001][ T4798] shrink_dentry_list+0x400/0x7b8 [ 79.778724][ T4798] shrink_dcache_parent+0xb4/0x364 [ 79.779515][ T4798] do_one_tree+0x2c/0xf0 [ 79.780160][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 79.781042][ T4798] generic_shutdown_super+0x68/0x2f0 [ 79.781751][ T4798] kill_block_super+0x70/0xdc [ 79.782445][ T4798] deactivate_locked_super+0xb8/0x134 [ 79.783175][ T4798] deactivate_super+0xf0/0x110 [ 79.783832][ T4798] cleanup_mnt+0x3b8/0x46c [ 79.784511][ T4798] __cleanup_mnt+0x20/0x30 [ 79.785175][ T4798] task_work_run+0x12c/0x1d8 [ 79.785916][ T4798] do_notify_resume+0x2450/0x309c [ 79.786652][ T4798] el0_svc+0xf0/0x1d0 [ 79.787288][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 79.788062][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 79.788713][ T4798] irq event stamp: 342848 [ 79.789388][ T4798] hardirqs last enabled at (342847): [] __up_console_sem+0xb4/0xfc [ 79.790773][ T4798] hardirqs last disabled at (342848): [] el1_dbg+0x24/0x80 [ 79.792127][ T4798] softirqs last enabled at (342504): [] local_bh_enable+0x10/0x34 [ 79.793581][ T4798] softirqs last disabled at (342502): [] local_bh_disable+0x10/0x34 [ 79.795014][ T4798] ---[ end trace 1f9536340ba83b38 ]--- [ 79.885333][ T5087] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 79.897779][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.899497][ T4798] ------------[ cut here ]------------ [ 79.900220][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.901614][ T4798] Modules linked in: [ 79.902179][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.903446][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.904925][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.906071][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.906867][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.907651][ T4798] sp : ffff80001f486f80 [ 79.908241][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 79.909379][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 79.910471][ T4798] x23: ffff0000edc40c98 x22: ffff0000d2988020 x21: ffff0000edc40cc0 [ 79.911604][ T4798] x20: ffff0000d2976068 x19: ffff0000d2976000 x18: 0000000000000001 [ 79.912764][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 79.913924][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 79.915036][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 79.916120][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.917242][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 79.918359][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.919552][ T4798] Call trace: [ 79.920073][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.920927][ T4798] ext4_xattr_block_set+0x524/0x267c [ 79.921748][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.922612][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 79.923459][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 79.924221][ T4798] ext4_dirty_inode+0xd0/0x100 [ 79.924869][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 79.925576][ T4798] iput+0x1b0/0x764 [ 79.926118][ T4798] dentry_unlink_inode+0x360/0x438 [ 79.926863][ T4798] __dentry_kill+0x320/0x598 [ 79.927499][ T4798] shrink_dentry_list+0x400/0x7b8 [ 79.928328][ T4798] shrink_dcache_parent+0xb4/0x364 [ 79.929096][ T4798] do_one_tree+0x2c/0xf0 [ 79.929845][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 79.930683][ T4798] generic_shutdown_super+0x68/0x2f0 [ 79.931400][ T4798] kill_block_super+0x70/0xdc [ 79.932110][ T4798] deactivate_locked_super+0xb8/0x134 [ 79.932858][ T4798] deactivate_super+0xf0/0x110 [ 79.933560][ T4798] cleanup_mnt+0x3b8/0x46c [ 79.934179][ T4798] __cleanup_mnt+0x20/0x30 [ 79.934813][ T4798] task_work_run+0x12c/0x1d8 [ 79.935475][ T4798] do_notify_resume+0x2450/0x309c [ 79.936169][ T4798] el0_svc+0xf0/0x1d0 [ 79.936726][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 79.937424][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 79.938060][ T4798] irq event stamp: 349564 [ 79.938678][ T4798] hardirqs last enabled at (349563): [] __up_console_sem+0xb4/0xfc [ 79.939986][ T4798] hardirqs last disabled at (349564): [] el1_dbg+0x24/0x80 [ 79.941278][ T4798] softirqs last enabled at (349204): [] local_bh_enable+0x10/0x34 [ 79.942602][ T4798] softirqs last disabled at (349202): [] local_bh_disable+0x10/0x34 [ 79.943902][ T4798] ---[ end trace 1f9536340ba83b39 ]--- [ 80.041941][ T5091] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 80.051031][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.052834][ T4798] ------------[ cut here ]------------ [ 80.053652][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.055083][ T4798] Modules linked in: [ 80.055696][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.057051][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.058778][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.060000][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.060865][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.061706][ T4798] sp : ffff80001f486f80 [ 80.062330][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 80.063546][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 80.064738][ T4798] x23: ffff0000edc43478 x22: ffff0000d6d53020 x21: ffff0000edc434a0 [ 80.065929][ T4798] x20: ffff0000dc606068 x19: ffff0000dc606000 x18: 0000000000000001 [ 80.067145][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 80.068469][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 80.069740][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 80.070979][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.072233][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 80.073484][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.074732][ T4798] Call trace: [ 80.075246][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.076064][ T4798] ext4_xattr_block_set+0x524/0x267c [ 80.076850][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.077740][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 80.078593][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 80.079385][ T4798] ext4_dirty_inode+0xd0/0x100 [ 80.080080][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 80.080835][ T4798] iput+0x1b0/0x764 [ 80.081399][ T4798] dentry_unlink_inode+0x360/0x438 [ 80.082160][ T4798] __dentry_kill+0x320/0x598 [ 80.082827][ T4798] shrink_dentry_list+0x400/0x7b8 [ 80.083584][ T4798] shrink_dcache_parent+0xb4/0x364 [ 80.084338][ T4798] do_one_tree+0x2c/0xf0 [ 80.084957][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 80.085758][ T4798] generic_shutdown_super+0x68/0x2f0 [ 80.086521][ T4798] kill_block_super+0x70/0xdc [ 80.087225][ T4798] deactivate_locked_super+0xb8/0x134 [ 80.088051][ T4798] deactivate_super+0xf0/0x110 [ 80.088805][ T4798] cleanup_mnt+0x3b8/0x46c [ 80.089477][ T4798] __cleanup_mnt+0x20/0x30 [ 80.090099][ T4798] task_work_run+0x12c/0x1d8 [ 80.090723][ T4798] do_notify_resume+0x2450/0x309c [ 80.091460][ T4798] el0_svc+0xf0/0x1d0 [ 80.092064][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 80.092795][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 80.093446][ T4798] irq event stamp: 356222 [ 80.094047][ T4798] hardirqs last enabled at (356221): [] __up_console_sem+0xb4/0xfc [ 80.095403][ T4798] hardirqs last disabled at (356222): [] el1_dbg+0x24/0x80 [ 80.096711][ T4798] softirqs last enabled at (355868): [] local_bh_enable+0x10/0x34 [ 80.098163][ T4798] softirqs last disabled at (355866): [] local_bh_disable+0x10/0x34 [ 80.099552][ T4798] ---[ end trace 1f9536340ba83b3a ]--- [ 80.215947][ T5095] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 80.225709][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.227593][ T4798] ------------[ cut here ]------------ [ 80.228434][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.229937][ T4798] Modules linked in: [ 80.230565][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.231766][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.233358][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.234617][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.235494][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.236369][ T4798] sp : ffff80001f486f80 [ 80.236963][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 80.238311][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 80.239649][ T4798] x23: ffff0000edc44868 x22: ffff0000d48d6820 x21: ffff0000edc44890 [ 80.240865][ T4798] x20: ffff0000d579c068 x19: ffff0000d579c000 x18: 0000000000000001 [ 80.242135][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 80.243463][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 80.244686][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 80.246015][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.247286][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 80.248560][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.249834][ T4798] Call trace: [ 80.250303][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.251118][ T4798] ext4_xattr_block_set+0x524/0x267c [ 80.251919][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.252714][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 80.253522][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 80.254315][ T4798] ext4_dirty_inode+0xd0/0x100 [ 80.255045][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 80.255727][ T4798] iput+0x1b0/0x764 [ 80.256259][ T4798] dentry_unlink_inode+0x360/0x438 [ 80.257030][ T4798] __dentry_kill+0x320/0x598 [ 80.257685][ T4798] shrink_dentry_list+0x400/0x7b8 [ 80.258419][ T4798] shrink_dcache_parent+0xb4/0x364 [ 80.259141][ T4798] do_one_tree+0x2c/0xf0 [ 80.259831][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 80.260655][ T4798] generic_shutdown_super+0x68/0x2f0 [ 80.261435][ T4798] kill_block_super+0x70/0xdc [ 80.262150][ T4798] deactivate_locked_super+0xb8/0x134 [ 80.262952][ T4798] deactivate_super+0xf0/0x110 [ 80.263707][ T4798] cleanup_mnt+0x3b8/0x46c [ 80.264412][ T4798] __cleanup_mnt+0x20/0x30 [ 80.265126][ T4798] task_work_run+0x12c/0x1d8 [ 80.265784][ T4798] do_notify_resume+0x2450/0x309c [ 80.266533][ T4798] el0_svc+0xf0/0x1d0 [ 80.267150][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 80.267893][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 80.268554][ T4798] irq event stamp: 364004 [ 80.269159][ T4798] hardirqs last enabled at (364003): [] __up_console_sem+0xb4/0xfc [ 80.270632][ T4798] hardirqs last disabled at (364004): [] el1_dbg+0x24/0x80 [ 80.272068][ T4798] softirqs last enabled at (363662): [] local_bh_enable+0x10/0x34 [ 80.273554][ T4798] softirqs last disabled at (363660): [] local_bh_disable+0x10/0x34 [ 80.274962][ T4798] ---[ end trace 1f9536340ba83b3b ]--- [ 80.365546][ T5099] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 80.374757][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.376634][ T4798] ------------[ cut here ]------------ [ 80.377399][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.378892][ T4798] Modules linked in: [ 80.379451][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.380838][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.382329][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.383453][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.384247][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.385115][ T4798] sp : ffff80001f486f80 [ 80.385719][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 80.387001][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 80.388279][ T4798] x23: ffff0000e2775260 x22: ffff0000d6d2b020 x21: ffff0000e2775288 [ 80.389491][ T4798] x20: ffff0000d6232068 x19: ffff0000d6232000 x18: 0000000000000001 [ 80.390631][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 80.391801][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 80.392909][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 80.394096][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.395229][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 80.396454][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.397622][ T4798] Call trace: [ 80.398107][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.398887][ T4798] ext4_xattr_block_set+0x524/0x267c [ 80.399707][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.400564][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 80.401398][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 80.402169][ T4798] ext4_dirty_inode+0xd0/0x100 [ 80.402890][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 80.403610][ T4798] iput+0x1b0/0x764 [ 80.404202][ T4798] dentry_unlink_inode+0x360/0x438 [ 80.404924][ T4798] __dentry_kill+0x320/0x598 [ 80.405634][ T4798] shrink_dentry_list+0x400/0x7b8 [ 80.406352][ T4798] shrink_dcache_parent+0xb4/0x364 [ 80.407024][ T4798] do_one_tree+0x2c/0xf0 [ 80.407608][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 80.408402][ T4798] generic_shutdown_super+0x68/0x2f0 [ 80.409112][ T4798] kill_block_super+0x70/0xdc [ 80.409806][ T4798] deactivate_locked_super+0xb8/0x134 [ 80.410574][ T4798] deactivate_super+0xf0/0x110 [ 80.411227][ T4798] cleanup_mnt+0x3b8/0x46c [ 80.411880][ T4798] __cleanup_mnt+0x20/0x30 [ 80.412571][ T4798] task_work_run+0x12c/0x1d8 [ 80.413294][ T4798] do_notify_resume+0x2450/0x309c [ 80.414011][ T4798] el0_svc+0xf0/0x1d0 [ 80.414628][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 80.415377][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 80.416010][ T4798] irq event stamp: 370700 [ 80.416679][ T4798] hardirqs last enabled at (370699): [] __up_console_sem+0xb4/0xfc [ 80.418058][ T4798] hardirqs last disabled at (370700): [] el1_dbg+0x24/0x80 [ 80.419334][ T4798] softirqs last enabled at (370350): [] local_bh_enable+0x10/0x34 [ 80.420811][ T4798] softirqs last disabled at (370348): [] local_bh_disable+0x10/0x34 [ 80.422259][ T4798] ---[ end trace 1f9536340ba83b3c ]--- [ 80.524121][ T5103] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 80.537254][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.539076][ T4798] ------------[ cut here ]------------ [ 80.540008][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.541560][ T4798] Modules linked in: [ 80.542155][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.543516][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.545074][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.546259][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.547099][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.547942][ T4798] sp : ffff80001f486f80 [ 80.548544][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 80.549843][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 80.551194][ T4798] x23: ffff0000e2776650 x22: ffff0000d7925820 x21: ffff0000e2776678 [ 80.552392][ T4798] x20: ffff0000d0528068 x19: ffff0000d0528000 x18: 0000000000000001 [ 80.553721][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 80.554944][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 80.556221][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 80.557463][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.558610][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 80.559859][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.561166][ T4798] Call trace: [ 80.561681][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.562483][ T4798] ext4_xattr_block_set+0x524/0x267c [ 80.563308][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.564239][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 80.565072][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 80.565921][ T4798] ext4_dirty_inode+0xd0/0x100 [ 80.566614][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 80.567387][ T4798] iput+0x1b0/0x764 [ 80.567918][ T4798] dentry_unlink_inode+0x360/0x438 [ 80.568610][ T4798] __dentry_kill+0x320/0x598 [ 80.569293][ T4798] shrink_dentry_list+0x400/0x7b8 [ 80.570026][ T4798] shrink_dcache_parent+0xb4/0x364 [ 80.570789][ T4798] do_one_tree+0x2c/0xf0 [ 80.571453][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 80.572368][ T4798] generic_shutdown_super+0x68/0x2f0 [ 80.573220][ T4798] kill_block_super+0x70/0xdc [ 80.573946][ T4798] deactivate_locked_super+0xb8/0x134 [ 80.574795][ T4798] deactivate_super+0xf0/0x110 [ 80.575603][ T4798] cleanup_mnt+0x3b8/0x46c [ 80.576294][ T4798] __cleanup_mnt+0x20/0x30 [ 80.576985][ T4798] task_work_run+0x12c/0x1d8 [ 80.577693][ T4798] do_notify_resume+0x2450/0x309c [ 80.578505][ T4798] el0_svc+0xf0/0x1d0 [ 80.579092][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 80.579849][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 80.580505][ T4798] irq event stamp: 377536 [ 80.581106][ T4798] hardirqs last enabled at (377535): [] __up_console_sem+0xb4/0xfc [ 80.582495][ T4798] hardirqs last disabled at (377536): [] el1_dbg+0x24/0x80 [ 80.583811][ T4798] softirqs last enabled at (377194): [] local_bh_enable+0x10/0x34 [ 80.585266][ T4798] softirqs last disabled at (377192): [] local_bh_disable+0x10/0x34 [ 80.586681][ T4798] ---[ end trace 1f9536340ba83b3d ]--- [ 80.645344][ T5107] set_capacity_and_notify: 21 callbacks suppressed [ 80.645353][ T5107] loop0: detected capacity change from 0 to 1024 [ 80.695271][ T5107] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 80.704146][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.705777][ T4798] ------------[ cut here ]------------ [ 80.706481][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.707792][ T4798] Modules linked in: [ 80.708291][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.709565][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.710955][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.712069][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.712886][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.713686][ T4798] sp : ffff80001f486f80 [ 80.714312][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 80.715535][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 80.716714][ T4798] x23: ffff0000e27f9690 x22: ffff0000d2f44820 x21: ffff0000e27f96b8 [ 80.717929][ T4798] x20: ffff0000d5368068 x19: ffff0000d5368000 x18: 0000000000000001 [ 80.719212][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 80.720462][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 80.721606][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 80.722891][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.724131][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 80.725330][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.726590][ T4798] Call trace: [ 80.727126][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.727949][ T4798] ext4_xattr_block_set+0x524/0x267c [ 80.728704][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.729488][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 80.730298][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 80.731064][ T4798] ext4_dirty_inode+0xd0/0x100 [ 80.731787][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 80.732534][ T4798] iput+0x1b0/0x764 [ 80.733062][ T4798] dentry_unlink_inode+0x360/0x438 [ 80.733814][ T4798] __dentry_kill+0x320/0x598 [ 80.734485][ T4798] shrink_dentry_list+0x400/0x7b8 [ 80.735241][ T4798] shrink_dcache_parent+0xb4/0x364 [ 80.736027][ T4798] do_one_tree+0x2c/0xf0 [ 80.736635][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 80.737428][ T4798] generic_shutdown_super+0x68/0x2f0 [ 80.738228][ T4798] kill_block_super+0x70/0xdc [ 80.738913][ T4798] deactivate_locked_super+0xb8/0x134 [ 80.739721][ T4798] deactivate_super+0xf0/0x110 [ 80.740425][ T4798] cleanup_mnt+0x3b8/0x46c [ 80.741103][ T4798] __cleanup_mnt+0x20/0x30 [ 80.741732][ T4798] task_work_run+0x12c/0x1d8 [ 80.742382][ T4798] do_notify_resume+0x2450/0x309c [ 80.743127][ T4798] el0_svc+0xf0/0x1d0 [ 80.743720][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 80.744562][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 80.745231][ T4798] irq event stamp: 384274 [ 80.745918][ T4798] hardirqs last enabled at (384273): [] __up_console_sem+0xb4/0xfc [ 80.747322][ T4798] hardirqs last disabled at (384274): [] el1_dbg+0x24/0x80 [ 80.748574][ T4798] softirqs last enabled at (383926): [] local_bh_enable+0x10/0x34 [ 80.749863][ T4798] softirqs last disabled at (383924): [] local_bh_disable+0x10/0x34 [ 80.751169][ T4798] ---[ end trace 1f9536340ba83b3e ]--- [ 80.840595][ T5111] loop0: detected capacity change from 0 to 1024 [ 80.944271][ T5111] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 80.959865][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.961722][ T4798] ------------[ cut here ]------------ [ 80.962476][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.963998][ T4798] Modules linked in: [ 80.964591][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.965933][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.967482][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.968655][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.969530][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.970371][ T4798] sp : ffff80001f486f80 [ 80.970999][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 80.972230][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 80.973550][ T4798] x23: ffff0000e27fbe70 x22: ffff0000ce22b020 x21: ffff0000e27fbe98 [ 80.974904][ T4798] x20: ffff0000d7478068 x19: ffff0000d7478000 x18: 0000000000000001 [ 80.976172][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 80.977501][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 80.978835][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 80.980114][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.981448][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 80.982714][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.983986][ T4798] Call trace: [ 80.984522][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.985276][ T4798] ext4_xattr_block_set+0x524/0x267c [ 80.986245][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.987168][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 80.988060][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 80.988873][ T4798] ext4_dirty_inode+0xd0/0x100 [ 80.989647][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 80.990396][ T4798] iput+0x1b0/0x764 [ 80.990947][ T4798] dentry_unlink_inode+0x360/0x438 [ 80.991761][ T4798] __dentry_kill+0x320/0x598 [ 80.992466][ T4798] shrink_dentry_list+0x400/0x7b8 [ 80.993260][ T4798] shrink_dcache_parent+0xb4/0x364 [ 80.994027][ T4798] do_one_tree+0x2c/0xf0 [ 80.994716][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 80.995676][ T4798] generic_shutdown_super+0x68/0x2f0 [ 80.996578][ T4798] kill_block_super+0x70/0xdc [ 80.997284][ T4798] deactivate_locked_super+0xb8/0x134 [ 80.998137][ T4798] deactivate_super+0xf0/0x110 [ 80.998864][ T4798] cleanup_mnt+0x3b8/0x46c [ 80.999505][ T4798] __cleanup_mnt+0x20/0x30 [ 81.000181][ T4798] task_work_run+0x12c/0x1d8 [ 81.000830][ T4798] do_notify_resume+0x2450/0x309c [ 81.001664][ T4798] el0_svc+0xf0/0x1d0 [ 81.002247][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 81.002991][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 81.003673][ T4798] irq event stamp: 391094 [ 81.004304][ T4798] hardirqs last enabled at (391093): [] __up_console_sem+0xb4/0xfc [ 81.005880][ T4798] hardirqs last disabled at (391094): [] el1_dbg+0x24/0x80 [ 81.007312][ T4798] softirqs last enabled at (390744): [] local_bh_enable+0x10/0x34 [ 81.008735][ T4798] softirqs last disabled at (390742): [] local_bh_disable+0x10/0x34 1970/01/01 00:01:20 executed programs: 35 [ 81.010177][ T4798] ---[ end trace 1f9536340ba83b3f ]--- [ 81.082271][ T5115] loop0: detected capacity change from 0 to 1024 [ 81.125715][ T5115] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 81.145498][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.147325][ T4798] ------------[ cut here ]------------ [ 81.148336][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.149919][ T4798] Modules linked in: [ 81.150530][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.152004][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.153505][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.154720][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.155646][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.156493][ T4798] sp : ffff80001f486f80 [ 81.157118][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 81.158331][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 81.159525][ T4798] x23: ffff0000e27fe650 x22: ffff0000db0d2020 x21: ffff0000e27fe678 [ 81.160705][ T4798] x20: ffff0000dcec6068 x19: ffff0000dcec6000 x18: 0000000000000001 [ 81.161985][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 81.163153][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 81.164343][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 81.165536][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.166778][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 81.168001][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.169198][ T4798] Call trace: [ 81.169671][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.170496][ T4798] ext4_xattr_block_set+0x524/0x267c [ 81.171375][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.172239][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 81.173111][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 81.173968][ T4798] ext4_dirty_inode+0xd0/0x100 [ 81.174665][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 81.175441][ T4798] iput+0x1b0/0x764 [ 81.176051][ T4798] dentry_unlink_inode+0x360/0x438 [ 81.176804][ T4798] __dentry_kill+0x320/0x598 [ 81.177495][ T4798] shrink_dentry_list+0x400/0x7b8 [ 81.178264][ T4798] shrink_dcache_parent+0xb4/0x364 [ 81.179065][ T4798] do_one_tree+0x2c/0xf0 [ 81.179698][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 81.180491][ T4798] generic_shutdown_super+0x68/0x2f0 [ 81.181283][ T4798] kill_block_super+0x70/0xdc [ 81.181971][ T4798] deactivate_locked_super+0xb8/0x134 [ 81.182773][ T4798] deactivate_super+0xf0/0x110 [ 81.183524][ T4798] cleanup_mnt+0x3b8/0x46c [ 81.184173][ T4798] __cleanup_mnt+0x20/0x30 [ 81.184883][ T4798] task_work_run+0x12c/0x1d8 [ 81.185612][ T4798] do_notify_resume+0x2450/0x309c [ 81.186385][ T4798] el0_svc+0xf0/0x1d0 [ 81.186984][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 81.187910][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 81.188638][ T4798] irq event stamp: 400158 [ 81.189321][ T4798] hardirqs last enabled at (400157): [] __up_console_sem+0xb4/0xfc [ 81.190738][ T4798] hardirqs last disabled at (400158): [] el1_dbg+0x24/0x80 [ 81.192176][ T4798] softirqs last enabled at (399816): [] local_bh_enable+0x10/0x34 [ 81.193639][ T4798] softirqs last disabled at (399814): [] local_bh_disable+0x10/0x34 [ 81.195066][ T4798] ---[ end trace 1f9536340ba83b40 ]--- [ 81.264918][ T5119] loop0: detected capacity change from 0 to 1024 [ 81.294618][ T5119] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 81.304978][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.306704][ T4798] ------------[ cut here ]------------ [ 81.307487][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.308940][ T4798] Modules linked in: [ 81.309485][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.310737][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.312297][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.313341][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.314461][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.315296][ T4798] sp : ffff80001f486f80 [ 81.315937][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 81.317099][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 81.318280][ T4798] x23: ffff0000e2748c98 x22: ffff0000ce8d7820 x21: ffff0000e2748cc0 [ 81.319366][ T4798] x20: ffff0000cef1e068 x19: ffff0000cef1e000 x18: 0000000000000001 [ 81.320614][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 81.321761][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 81.322972][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 81.324208][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 81.325418][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 81.326713][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.327959][ T4798] Call trace: [ 81.328453][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.329254][ T4798] ext4_xattr_block_set+0x524/0x267c [ 81.330051][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.330909][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 81.331791][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 81.332600][ T4798] ext4_dirty_inode+0xd0/0x100 [ 81.333343][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 81.334064][ T4798] iput+0x1b0/0x764 [ 81.334633][ T4798] dentry_unlink_inode+0x360/0x438 [ 81.335405][ T4798] __dentry_kill+0x320/0x598 [ 81.336068][ T4798] shrink_dentry_list+0x400/0x7b8 [ 81.336758][ T4798] shrink_dcache_parent+0xb4/0x364 [ 81.337496][ T4798] do_one_tree+0x2c/0xf0 [ 81.338060][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 81.338861][ T4798] generic_shutdown_super+0x68/0x2f0 [ 81.339641][ T4798] kill_block_super+0x70/0xdc [ 81.340347][ T4798] deactivate_locked_super+0xb8/0x134 [ 81.341159][ T4798] deactivate_super+0xf0/0x110 [ 81.341879][ T4798] cleanup_mnt+0x3b8/0x46c [ 81.342489][ T4798] __cleanup_mnt+0x20/0x30 [ 81.343154][ T4798] task_work_run+0x12c/0x1d8 [ 81.343810][ T4798] do_notify_resume+0x2450/0x309c [ 81.344523][ T4798] el0_svc+0xf0/0x1d0 [ 81.345121][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 81.345895][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 81.346558][ T4798] irq event stamp: 407440 [ 81.347200][ T4798] hardirqs last enabled at (407439): [] __schedule+0xef8/0x1bc4 [ 81.348550][ T4798] hardirqs last disabled at (407440): [] el1_dbg+0x24/0x80 [ 81.349829][ T4798] softirqs last enabled at (407082): [] local_bh_enable+0x10/0x34 [ 81.351173][ T4798] softirqs last disabled at (407080): [] local_bh_disable+0x10/0x34 [ 81.352552][ T4798] ---[ end trace 1f9536340ba83b41 ]--- [ 81.405717][ T5123] loop0: detected capacity change from 0 to 1024 [ 81.427265][ T5123] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 81.447975][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.449674][ T4798] ------------[ cut here ]------------ [ 81.450523][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.451911][ T4798] Modules linked in: [ 81.452483][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.453852][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.455356][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.456557][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.457414][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.458332][ T4798] sp : ffff80001f486f80 [ 81.458939][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 81.460166][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 81.461343][ T4798] x23: ffff0000e2589690 x22: ffff0000cd866820 x21: ffff0000e25896b8 [ 81.462561][ T4798] x20: ffff0000dcd1e068 x19: ffff0000dcd1e000 x18: 0000000000000001 [ 81.463810][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 81.464970][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 81.466232][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 81.467431][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.468746][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 81.469954][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.471238][ T4798] Call trace: [ 81.471762][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.472600][ T4798] ext4_xattr_block_set+0x524/0x267c [ 81.473335][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.474192][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 81.475075][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 81.475906][ T4798] ext4_dirty_inode+0xd0/0x100 [ 81.476625][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 81.477436][ T4798] iput+0x1b0/0x764 [ 81.477999][ T4798] dentry_unlink_inode+0x360/0x438 [ 81.478781][ T4798] __dentry_kill+0x320/0x598 [ 81.479489][ T4798] shrink_dentry_list+0x400/0x7b8 [ 81.480239][ T4798] shrink_dcache_parent+0xb4/0x364 [ 81.481075][ T4798] do_one_tree+0x2c/0xf0 [ 81.481714][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 81.482532][ T4798] generic_shutdown_super+0x68/0x2f0 [ 81.483343][ T4798] kill_block_super+0x70/0xdc [ 81.484071][ T4798] deactivate_locked_super+0xb8/0x134 [ 81.484838][ T4798] deactivate_super+0xf0/0x110 [ 81.485594][ T4798] cleanup_mnt+0x3b8/0x46c [ 81.486322][ T4798] __cleanup_mnt+0x20/0x30 [ 81.486987][ T4798] task_work_run+0x12c/0x1d8 [ 81.487617][ T4798] do_notify_resume+0x2450/0x309c [ 81.488388][ T4798] el0_svc+0xf0/0x1d0 [ 81.489019][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 81.489744][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 81.490416][ T4798] irq event stamp: 414458 [ 81.491125][ T4798] hardirqs last enabled at (414457): [] __up_console_sem+0xb4/0xfc [ 81.492475][ T4798] hardirqs last disabled at (414458): [] el1_dbg+0x24/0x80 [ 81.493854][ T4798] softirqs last enabled at (414088): [] local_bh_enable+0x10/0x34 [ 81.495351][ T4798] softirqs last disabled at (414086): [] local_bh_disable+0x10/0x34 [ 81.496799][ T4798] ---[ end trace 1f9536340ba83b42 ]--- [ 81.555514][ T5127] loop0: detected capacity change from 0 to 1024 [ 81.605500][ T5127] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 81.614415][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.616190][ T4798] ------------[ cut here ]------------ [ 81.617019][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.618422][ T4798] Modules linked in: [ 81.619036][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.620398][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.621879][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.623018][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.623874][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.624705][ T4798] sp : ffff80001f486f80 [ 81.625305][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 81.626512][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 81.627828][ T4798] x23: ffff0000e258aa80 x22: ffff0000ed70e820 x21: ffff0000e258aaa8 [ 81.629136][ T4798] x20: ffff0000dd99a068 x19: ffff0000dd99a000 x18: 0000000000000001 [ 81.630453][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 81.631685][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 81.632904][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 81.634050][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.635212][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 81.636391][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.637640][ T4798] Call trace: [ 81.638181][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.638983][ T4798] ext4_xattr_block_set+0x524/0x267c [ 81.639777][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.640632][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 81.641473][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 81.642237][ T4798] ext4_dirty_inode+0xd0/0x100 [ 81.642989][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 81.643815][ T4798] iput+0x1b0/0x764 [ 81.644382][ T4798] dentry_unlink_inode+0x360/0x438 [ 81.645163][ T4798] __dentry_kill+0x320/0x598 [ 81.645824][ T4798] shrink_dentry_list+0x400/0x7b8 [ 81.646523][ T4798] shrink_dcache_parent+0xb4/0x364 [ 81.647259][ T4798] do_one_tree+0x2c/0xf0 [ 81.647941][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 81.648778][ T4798] generic_shutdown_super+0x68/0x2f0 [ 81.649493][ T4798] kill_block_super+0x70/0xdc [ 81.650210][ T4798] deactivate_locked_super+0xb8/0x134 [ 81.650996][ T4798] deactivate_super+0xf0/0x110 [ 81.651692][ T4798] cleanup_mnt+0x3b8/0x46c [ 81.652314][ T4798] __cleanup_mnt+0x20/0x30 [ 81.653016][ T4798] task_work_run+0x12c/0x1d8 [ 81.653688][ T4798] do_notify_resume+0x2450/0x309c [ 81.654482][ T4798] el0_svc+0xf0/0x1d0 [ 81.655042][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 81.655752][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 81.656471][ T4798] irq event stamp: 421210 [ 81.657078][ T4798] hardirqs last enabled at (421209): [] __up_console_sem+0xb4/0xfc [ 81.658425][ T4798] hardirqs last disabled at (421210): [] el1_dbg+0x24/0x80 [ 81.659583][ T4798] softirqs last enabled at (420846): [] local_bh_enable+0x10/0x34 [ 81.660924][ T4798] softirqs last disabled at (420844): [] local_bh_disable+0x10/0x34 [ 81.662325][ T4798] ---[ end trace 1f9536340ba83b43 ]--- [ 81.716032][ T5131] loop0: detected capacity change from 0 to 1024 [ 81.765515][ T5131] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 81.776319][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.778170][ T4798] ------------[ cut here ]------------ [ 81.778993][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.780482][ T4798] Modules linked in: [ 81.781121][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.782496][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.784114][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.785349][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.786182][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.787084][ T4798] sp : ffff80001f486f80 [ 81.787715][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 81.788935][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 81.790192][ T4798] x23: ffff0000e258d260 x22: ffff0000cf702020 x21: ffff0000e258d288 [ 81.791442][ T4798] x20: ffff0000d9486068 x19: ffff0000d9486000 x18: 0000000000000001 [ 81.792674][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 81.793911][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 81.795087][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 81.796396][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.797590][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 81.798869][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.800118][ T4798] Call trace: [ 81.800592][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.801368][ T4798] ext4_xattr_block_set+0x524/0x267c [ 81.802151][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.803068][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 81.803961][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 81.804806][ T4798] ext4_dirty_inode+0xd0/0x100 [ 81.805555][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 81.806308][ T4798] iput+0x1b0/0x764 [ 81.806865][ T4798] dentry_unlink_inode+0x360/0x438 [ 81.807612][ T4798] __dentry_kill+0x320/0x598 [ 81.808297][ T4798] shrink_dentry_list+0x400/0x7b8 [ 81.809035][ T4798] shrink_dcache_parent+0xb4/0x364 [ 81.809791][ T4798] do_one_tree+0x2c/0xf0 [ 81.810456][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 81.811304][ T4798] generic_shutdown_super+0x68/0x2f0 [ 81.812170][ T4798] kill_block_super+0x70/0xdc [ 81.812889][ T4798] deactivate_locked_super+0xb8/0x134 [ 81.813687][ T4798] deactivate_super+0xf0/0x110 [ 81.814382][ T4798] cleanup_mnt+0x3b8/0x46c [ 81.815103][ T4798] __cleanup_mnt+0x20/0x30 [ 81.815774][ T4798] task_work_run+0x12c/0x1d8 [ 81.816479][ T4798] do_notify_resume+0x2450/0x309c [ 81.817232][ T4798] el0_svc+0xf0/0x1d0 [ 81.817859][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 81.818633][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 81.819301][ T4798] irq event stamp: 428210 [ 81.819908][ T4798] hardirqs last enabled at (428209): [] __up_console_sem+0xb4/0xfc [ 81.821297][ T4798] hardirqs last disabled at (428210): [] el1_dbg+0x24/0x80 [ 81.822594][ T4798] softirqs last enabled at (427858): [] local_bh_enable+0x10/0x34 [ 81.824101][ T4798] softirqs last disabled at (427856): [] local_bh_disable+0x10/0x34 [ 81.825565][ T4798] ---[ end trace 1f9536340ba83b44 ]--- [ 81.885405][ T5135] loop0: detected capacity change from 0 to 1024 [ 81.948065][ T5135] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 81.957755][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.959618][ T4798] ------------[ cut here ]------------ [ 81.960447][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.961825][ T4798] Modules linked in: [ 81.962465][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.963788][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.965214][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.966433][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.967236][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.968024][ T4798] sp : ffff80001f486f80 [ 81.968623][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 81.969875][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 81.971130][ T4798] x23: ffff0000e274c868 x22: ffff0000dab36020 x21: ffff0000e274c890 [ 81.972281][ T4798] x20: ffff0000d9cd2068 x19: ffff0000d9cd2000 x18: 0000000000000001 [ 81.973574][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 81.974812][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 81.976000][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 81.977145][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 81.978318][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 81.979534][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.980731][ T4798] Call trace: [ 81.981211][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.981977][ T4798] ext4_xattr_block_set+0x524/0x267c [ 81.982730][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.983600][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 81.984375][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 81.985154][ T4798] ext4_dirty_inode+0xd0/0x100 [ 81.985825][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 81.986573][ T4798] iput+0x1b0/0x764 [ 81.987107][ T4798] dentry_unlink_inode+0x360/0x438 [ 81.987839][ T4798] __dentry_kill+0x320/0x598 [ 81.988491][ T4798] shrink_dentry_list+0x400/0x7b8 [ 81.989167][ T4798] shrink_dcache_parent+0xb4/0x364 [ 81.989866][ T4798] do_one_tree+0x2c/0xf0 [ 81.990546][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 81.991443][ T4798] generic_shutdown_super+0x68/0x2f0 [ 81.992248][ T4798] kill_block_super+0x70/0xdc [ 81.992938][ T4798] deactivate_locked_super+0xb8/0x134 [ 81.993721][ T4798] deactivate_super+0xf0/0x110 [ 81.994440][ T4798] cleanup_mnt+0x3b8/0x46c [ 81.995131][ T4798] __cleanup_mnt+0x20/0x30 [ 81.995811][ T4798] task_work_run+0x12c/0x1d8 [ 81.996497][ T4798] do_notify_resume+0x2450/0x309c [ 81.997276][ T4798] el0_svc+0xf0/0x1d0 [ 81.997904][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 81.998626][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 81.999283][ T4798] irq event stamp: 434944 [ 81.999901][ T4798] hardirqs last enabled at (434943): [] __schedule+0xef8/0x1bc4 [ 82.001208][ T4798] hardirqs last disabled at (434944): [] el1_dbg+0x24/0x80 [ 82.002500][ T4798] softirqs last enabled at (434586): [] local_bh_enable+0x10/0x34 [ 82.003835][ T4798] softirqs last disabled at (434584): [] local_bh_disable+0x10/0x34 [ 82.005225][ T4798] ---[ end trace 1f9536340ba83b45 ]--- [ 82.066574][ T5139] loop0: detected capacity change from 0 to 1024 [ 82.125510][ T5139] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 82.139754][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.141573][ T4798] ------------[ cut here ]------------ [ 82.142388][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.143843][ T4798] Modules linked in: [ 82.144448][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.145790][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.147276][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.148453][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.149423][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.150233][ T4798] sp : ffff80001f486f80 [ 82.150825][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 82.151999][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 82.153230][ T4798] x23: ffff0000e27e82a0 x22: ffff0000d7506020 x21: ffff0000e27e82c8 [ 82.154392][ T4798] x20: ffff0000d9c1a068 x19: ffff0000d9c1a000 x18: 0000000000000001 [ 82.155661][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 82.156890][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 82.158102][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 82.159287][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.160412][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 82.161592][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.162778][ T4798] Call trace: [ 82.163303][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.164089][ T4798] ext4_xattr_block_set+0x524/0x267c [ 82.164880][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.165699][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 82.166466][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 82.167349][ T4798] ext4_dirty_inode+0xd0/0x100 [ 82.168056][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 82.168866][ T4798] iput+0x1b0/0x764 [ 82.169434][ T4798] dentry_unlink_inode+0x360/0x438 [ 82.170234][ T4798] __dentry_kill+0x320/0x598 [ 82.170848][ T4798] shrink_dentry_list+0x400/0x7b8 [ 82.171608][ T4798] shrink_dcache_parent+0xb4/0x364 [ 82.172374][ T4798] do_one_tree+0x2c/0xf0 [ 82.172988][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 82.173807][ T4798] generic_shutdown_super+0x68/0x2f0 [ 82.174539][ T4798] kill_block_super+0x70/0xdc [ 82.175303][ T4798] deactivate_locked_super+0xb8/0x134 [ 82.176075][ T4798] deactivate_super+0xf0/0x110 [ 82.176728][ T4798] cleanup_mnt+0x3b8/0x46c [ 82.177390][ T4798] __cleanup_mnt+0x20/0x30 [ 82.178097][ T4798] task_work_run+0x12c/0x1d8 [ 82.178790][ T4798] do_notify_resume+0x2450/0x309c [ 82.179521][ T4798] el0_svc+0xf0/0x1d0 [ 82.180114][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 82.180830][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 82.181488][ T4798] irq event stamp: 442004 [ 82.182080][ T4798] hardirqs last enabled at (442003): [] __up_console_sem+0xb4/0xfc [ 82.183443][ T4798] hardirqs last disabled at (442004): [] el1_dbg+0x24/0x80 [ 82.184733][ T4798] softirqs last enabled at (441662): [] local_bh_enable+0x10/0x34 [ 82.186087][ T4798] softirqs last disabled at (441660): [] local_bh_disable+0x10/0x34 [ 82.187512][ T4798] ---[ end trace 1f9536340ba83b46 ]--- [ 82.227832][ T5144] loop0: detected capacity change from 0 to 1024 [ 82.327193][ T5144] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 82.341261][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.343717][ T4798] ------------[ cut here ]------------ [ 82.344603][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.346145][ T4798] Modules linked in: [ 82.346845][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.348114][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.349666][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.350688][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.351539][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.352332][ T4798] sp : ffff80001f486f80 [ 82.352899][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 82.354059][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 82.355247][ T4798] x23: ffff0000e274dc58 x22: ffff0000c928f820 x21: ffff0000e274dc80 [ 82.356424][ T4798] x20: ffff0000d2580068 x19: ffff0000d2580000 x18: 1fffe000341f0796 [ 82.357569][ T4798] x17: 1fffe000341f0796 x16: ffff800011254cd0 x15: ffff80001432ed40 [ 82.358785][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 82.359913][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 82.361118][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.362216][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 82.363393][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.364631][ T4798] Call trace: [ 82.365121][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.365824][ T4798] ext4_xattr_block_set+0x524/0x267c [ 82.366665][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.367517][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 82.368368][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 82.369142][ T4798] ext4_dirty_inode+0xd0/0x100 [ 82.369799][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 82.370548][ T4798] iput+0x1b0/0x764 [ 82.371060][ T4798] dentry_unlink_inode+0x360/0x438 [ 82.371789][ T4798] __dentry_kill+0x320/0x598 [ 82.372475][ T4798] shrink_dentry_list+0x400/0x7b8 [ 82.373177][ T4798] shrink_dcache_parent+0xb4/0x364 [ 82.373939][ T4798] do_one_tree+0x2c/0xf0 [ 82.374576][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 82.375348][ T4798] generic_shutdown_super+0x68/0x2f0 [ 82.376079][ T4798] kill_block_super+0x70/0xdc [ 82.376777][ T4798] deactivate_locked_super+0xb8/0x134 [ 82.377559][ T4798] deactivate_super+0xf0/0x110 [ 82.378278][ T4798] cleanup_mnt+0x3b8/0x46c [ 82.378905][ T4798] __cleanup_mnt+0x20/0x30 [ 82.379563][ T4798] task_work_run+0x12c/0x1d8 [ 82.380290][ T4798] do_notify_resume+0x2450/0x309c [ 82.381015][ T4798] el0_svc+0xf0/0x1d0 [ 82.381613][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 82.382319][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 82.382989][ T4798] irq event stamp: 449860 [ 82.383558][ T4798] hardirqs last enabled at (449859): [] finish_lock_switch+0xb0/0x1c4 [ 82.385032][ T4798] hardirqs last disabled at (449860): [] el1_dbg+0x24/0x80 [ 82.386385][ T4798] softirqs last enabled at (449854): [] handle_softirqs+0xa40/0xbe4 [ 82.387761][ T4798] softirqs last disabled at (449747): [] __irq_exit_rcu+0x240/0x43c [ 82.389178][ T4798] ---[ end trace 1f9536340ba83b47 ]--- [ 82.485173][ T5148] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 82.494145][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.495857][ T4798] ------------[ cut here ]------------ [ 82.496607][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.497949][ T4798] Modules linked in: [ 82.498494][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.499821][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.501248][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.502365][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.503157][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.504018][ T4798] sp : ffff80001f486f80 [ 82.504638][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 82.505868][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 82.507080][ T4798] x23: ffff0000e27eb478 x22: ffff0000da211020 x21: ffff0000e27eb4a0 [ 82.508282][ T4798] x20: ffff0000ceee2068 x19: ffff0000ceee2000 x18: 0000000000000001 [ 82.509427][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 82.510686][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 82.511854][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 82.513057][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.514268][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 82.515443][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.516710][ T4798] Call trace: [ 82.517167][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.518005][ T4798] ext4_xattr_block_set+0x524/0x267c [ 82.518797][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.519684][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 82.520499][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 82.521279][ T4798] ext4_dirty_inode+0xd0/0x100 [ 82.522001][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 82.522759][ T4798] iput+0x1b0/0x764 [ 82.523355][ T4798] dentry_unlink_inode+0x360/0x438 [ 82.524079][ T4798] __dentry_kill+0x320/0x598 [ 82.524692][ T4798] shrink_dentry_list+0x400/0x7b8 [ 82.525379][ T4798] shrink_dcache_parent+0xb4/0x364 [ 82.526088][ T4798] do_one_tree+0x2c/0xf0 [ 82.526713][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 82.527551][ T4798] generic_shutdown_super+0x68/0x2f0 [ 82.528450][ T4798] kill_block_super+0x70/0xdc [ 82.529179][ T4798] deactivate_locked_super+0xb8/0x134 [ 82.529923][ T4798] deactivate_super+0xf0/0x110 [ 82.530648][ T4798] cleanup_mnt+0x3b8/0x46c [ 82.531353][ T4798] __cleanup_mnt+0x20/0x30 [ 82.531947][ T4798] task_work_run+0x12c/0x1d8 [ 82.532628][ T4798] do_notify_resume+0x2450/0x309c [ 82.533385][ T4798] el0_svc+0xf0/0x1d0 [ 82.533944][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 82.534742][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 82.535369][ T4798] irq event stamp: 456054 [ 82.536067][ T4798] hardirqs last enabled at (456053): [] __up_console_sem+0xb4/0xfc [ 82.537520][ T4798] hardirqs last disabled at (456054): [] el1_dbg+0x24/0x80 [ 82.538809][ T4798] softirqs last enabled at (455716): [] local_bh_enable+0x10/0x34 [ 82.540225][ T4798] softirqs last disabled at (455714): [] local_bh_disable+0x10/0x34 [ 82.541705][ T4798] ---[ end trace 1f9536340ba83b48 ]--- [ 82.654303][ T5152] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 82.665288][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.667186][ T4798] ------------[ cut here ]------------ [ 82.667930][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.669382][ T4798] Modules linked in: [ 82.669954][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.671225][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.672656][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.673844][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.674704][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.675489][ T4798] sp : ffff80001f486f80 [ 82.676089][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 82.677361][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 82.678646][ T4798] x23: ffff0000e27eaa80 x22: ffff0000ebce0820 x21: ffff0000e27eaaa8 [ 82.679904][ T4798] x20: ffff0000d8e16068 x19: ffff0000d8e16000 x18: 0000000000000001 [ 82.681144][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 82.682358][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 82.683529][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 82.684697][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.685943][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 82.687136][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.688298][ T4798] Call trace: [ 82.688757][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.689509][ T4798] ext4_xattr_block_set+0x524/0x267c [ 82.690237][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.691084][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 82.691827][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 82.692677][ T4798] ext4_dirty_inode+0xd0/0x100 [ 82.693373][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 82.694095][ T4798] iput+0x1b0/0x764 [ 82.694625][ T4798] dentry_unlink_inode+0x360/0x438 [ 82.695380][ T4798] __dentry_kill+0x320/0x598 [ 82.696052][ T4798] shrink_dentry_list+0x400/0x7b8 [ 82.696774][ T4798] shrink_dcache_parent+0xb4/0x364 [ 82.697505][ T4798] do_one_tree+0x2c/0xf0 [ 82.698120][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 82.698946][ T4798] generic_shutdown_super+0x68/0x2f0 [ 82.699740][ T4798] kill_block_super+0x70/0xdc [ 82.700438][ T4798] deactivate_locked_super+0xb8/0x134 [ 82.701253][ T4798] deactivate_super+0xf0/0x110 [ 82.701910][ T4798] cleanup_mnt+0x3b8/0x46c [ 82.702631][ T4798] __cleanup_mnt+0x20/0x30 [ 82.703364][ T4798] task_work_run+0x12c/0x1d8 [ 82.704054][ T4798] do_notify_resume+0x2450/0x309c [ 82.704878][ T4798] el0_svc+0xf0/0x1d0 [ 82.705451][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 82.706194][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 82.706911][ T4798] irq event stamp: 462906 [ 82.707567][ T4798] hardirqs last enabled at (462905): [] __up_console_sem+0xb4/0xfc [ 82.709035][ T4798] hardirqs last disabled at (462906): [] el1_dbg+0x24/0x80 [ 82.710420][ T4798] softirqs last enabled at (462550): [] local_bh_enable+0x10/0x34 [ 82.711908][ T4798] softirqs last disabled at (462548): [] local_bh_disable+0x10/0x34 [ 82.713332][ T4798] ---[ end trace 1f9536340ba83b49 ]--- [ 82.794246][ T5156] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 82.805063][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.806855][ T4798] ------------[ cut here ]------------ [ 82.807645][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.809062][ T4798] Modules linked in: [ 82.809673][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.811192][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.812598][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.813788][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.814689][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.815574][ T4798] sp : ffff80001f486f80 [ 82.816272][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 82.817548][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 82.818723][ T4798] x23: ffff0000edc202a0 x22: ffff0000d5dd2820 x21: ffff0000edc202c8 [ 82.819901][ T4798] x20: ffff0000d7c70068 x19: ffff0000d7c70000 x18: 0000000000000001 [ 82.821136][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 82.822275][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 82.823670][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 82.824985][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.826249][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 82.827527][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.828702][ T4798] Call trace: [ 82.829202][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.829978][ T4798] ext4_xattr_block_set+0x524/0x267c [ 82.830794][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.831775][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 82.832704][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 82.833560][ T4798] ext4_dirty_inode+0xd0/0x100 [ 82.834307][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 82.835090][ T4798] iput+0x1b0/0x764 [ 82.835670][ T4798] dentry_unlink_inode+0x360/0x438 [ 82.836449][ T4798] __dentry_kill+0x320/0x598 [ 82.837158][ T4798] shrink_dentry_list+0x400/0x7b8 [ 82.837888][ T4798] shrink_dcache_parent+0xb4/0x364 [ 82.838616][ T4798] do_one_tree+0x2c/0xf0 [ 82.839253][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 82.840098][ T4798] generic_shutdown_super+0x68/0x2f0 [ 82.840947][ T4798] kill_block_super+0x70/0xdc [ 82.841580][ T4798] deactivate_locked_super+0xb8/0x134 [ 82.842316][ T4798] deactivate_super+0xf0/0x110 [ 82.843062][ T4798] cleanup_mnt+0x3b8/0x46c [ 82.843722][ T4798] __cleanup_mnt+0x20/0x30 [ 82.844340][ T4798] task_work_run+0x12c/0x1d8 [ 82.845102][ T4798] do_notify_resume+0x2450/0x309c [ 82.845888][ T4798] el0_svc+0xf0/0x1d0 [ 82.846490][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 82.847266][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 82.847890][ T4798] irq event stamp: 469488 [ 82.848547][ T4798] hardirqs last enabled at (469487): [] __up_console_sem+0xb4/0xfc [ 82.849977][ T4798] hardirqs last disabled at (469488): [] el1_dbg+0x24/0x80 [ 82.851346][ T4798] softirqs last enabled at (469132): [] local_bh_enable+0x10/0x34 [ 82.852698][ T4798] softirqs last disabled at (469130): [] local_bh_disable+0x10/0x34 [ 82.854188][ T4798] ---[ end trace 1f9536340ba83b4a ]--- [ 82.964857][ T5160] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 82.974143][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.975875][ T4798] ------------[ cut here ]------------ [ 82.976655][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.977894][ T4798] Modules linked in: [ 82.978517][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.979694][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.981182][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.982241][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.983085][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.984024][ T4798] sp : ffff80001f486f80 [ 82.984611][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 82.985841][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 82.987195][ T4798] x23: ffff0000e25a82a0 x22: ffff0000d0306820 x21: ffff0000e25a82c8 [ 82.988488][ T4798] x20: ffff0000c22d8068 x19: ffff0000c22d8000 x18: 0000000000000001 [ 82.989653][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 82.990857][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 82.992014][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 82.993160][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.994390][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 82.995600][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.996772][ T4798] Call trace: [ 82.997291][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.998006][ T4798] ext4_xattr_block_set+0x524/0x267c [ 82.998769][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.999587][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 83.000421][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 83.001217][ T4798] ext4_dirty_inode+0xd0/0x100 [ 83.001945][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 83.002701][ T4798] iput+0x1b0/0x764 [ 83.003258][ T4798] dentry_unlink_inode+0x360/0x438 [ 83.004004][ T4798] __dentry_kill+0x320/0x598 [ 83.004655][ T4798] shrink_dentry_list+0x400/0x7b8 [ 83.005442][ T4798] shrink_dcache_parent+0xb4/0x364 [ 83.006176][ T4798] do_one_tree+0x2c/0xf0 [ 83.006807][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 83.007580][ T4798] generic_shutdown_super+0x68/0x2f0 [ 83.008344][ T4798] kill_block_super+0x70/0xdc [ 83.009031][ T4798] deactivate_locked_super+0xb8/0x134 [ 83.009853][ T4798] deactivate_super+0xf0/0x110 [ 83.010580][ T4798] cleanup_mnt+0x3b8/0x46c [ 83.011220][ T4798] __cleanup_mnt+0x20/0x30 [ 83.011868][ T4798] task_work_run+0x12c/0x1d8 [ 83.012508][ T4798] do_notify_resume+0x2450/0x309c [ 83.013262][ T4798] el0_svc+0xf0/0x1d0 [ 83.013841][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 83.014550][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 83.015214][ T4798] irq event stamp: 477172 [ 83.015834][ T4798] hardirqs last enabled at (477171): [] __up_console_sem+0xb4/0xfc [ 83.017173][ T4798] hardirqs last disabled at (477172): [] el1_dbg+0x24/0x80 [ 83.018508][ T4798] softirqs last enabled at (476810): [] local_bh_enable+0x10/0x34 [ 83.019914][ T4798] softirqs last disabled at (476808): [] local_bh_disable+0x10/0x34 [ 83.021339][ T4798] ---[ end trace 1f9536340ba83b4b ]--- [ 83.154450][ T5164] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 83.163494][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.165347][ T4798] ------------[ cut here ]------------ [ 83.166210][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.167674][ T4798] Modules linked in: [ 83.168215][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.169487][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.170947][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.172076][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.172884][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.173756][ T4798] sp : ffff80001f486f80 [ 83.174320][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 83.175503][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 83.176751][ T4798] x23: ffff0000edc22a80 x22: ffff0000c0b84820 x21: ffff0000edc22aa8 [ 83.178045][ T4798] x20: ffff0000c780a068 x19: ffff0000c780a000 x18: 0000000000000001 [ 83.179279][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 83.180477][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 83.181641][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 83.182903][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.184012][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 83.185149][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.186323][ T4798] Call trace: [ 83.186809][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.187606][ T4798] ext4_xattr_block_set+0x524/0x267c [ 83.188394][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.189405][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 83.190286][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 83.191126][ T4798] ext4_dirty_inode+0xd0/0x100 [ 83.191827][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 83.192553][ T4798] iput+0x1b0/0x764 [ 83.193136][ T4798] dentry_unlink_inode+0x360/0x438 [ 83.193848][ T4798] __dentry_kill+0x320/0x598 [ 83.194600][ T4798] shrink_dentry_list+0x400/0x7b8 [ 83.195344][ T4798] shrink_dcache_parent+0xb4/0x364 [ 83.196099][ T4798] do_one_tree+0x2c/0xf0 [ 83.196777][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 83.197547][ T4798] generic_shutdown_super+0x68/0x2f0 [ 83.198270][ T4798] kill_block_super+0x70/0xdc [ 83.198936][ T4798] deactivate_locked_super+0xb8/0x134 [ 83.199742][ T4798] deactivate_super+0xf0/0x110 [ 83.200471][ T4798] cleanup_mnt+0x3b8/0x46c [ 83.201161][ T4798] __cleanup_mnt+0x20/0x30 [ 83.201842][ T4798] task_work_run+0x12c/0x1d8 [ 83.202534][ T4798] do_notify_resume+0x2450/0x309c [ 83.203324][ T4798] el0_svc+0xf0/0x1d0 [ 83.203934][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 83.204658][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 83.205305][ T4798] irq event stamp: 484064 [ 83.205958][ T4798] hardirqs last enabled at (484063): [] __up_console_sem+0xb4/0xfc [ 83.207537][ T4798] hardirqs last disabled at (484064): [] el1_dbg+0x24/0x80 [ 83.208903][ T4798] softirqs last enabled at (483766): [] handle_softirqs+0xa40/0xbe4 [ 83.210295][ T4798] softirqs last disabled at (483757): [] __irq_exit_rcu+0x240/0x43c [ 83.211692][ T4798] ---[ end trace 1f9536340ba83b4c ]--- [ 83.294952][ T5168] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 83.305519][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.307258][ T4798] ------------[ cut here ]------------ [ 83.308118][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.309683][ T4798] Modules linked in: [ 83.310277][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.311691][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.313192][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.314408][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.315266][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.316128][ T4798] sp : ffff80001f486f80 [ 83.316717][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 83.317951][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 83.319164][ T4798] x23: ffff0000edc25260 x22: ffff0000d8e26820 x21: ffff0000edc25288 [ 83.320398][ T4798] x20: ffff0000d6e3e068 x19: ffff0000d6e3e000 x18: 0000000000000001 [ 83.321625][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 83.322848][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 83.324058][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 83.325348][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.326507][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 83.327724][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.328924][ T4798] Call trace: [ 83.329423][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.330279][ T4798] ext4_xattr_block_set+0x524/0x267c [ 83.331142][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.332001][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 83.332836][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 83.333644][ T4798] ext4_dirty_inode+0xd0/0x100 [ 83.334373][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 83.335079][ T4798] iput+0x1b0/0x764 [ 83.335689][ T4798] dentry_unlink_inode+0x360/0x438 [ 83.336462][ T4798] __dentry_kill+0x320/0x598 [ 83.337151][ T4798] shrink_dentry_list+0x400/0x7b8 [ 83.337887][ T4798] shrink_dcache_parent+0xb4/0x364 [ 83.338611][ T4798] do_one_tree+0x2c/0xf0 [ 83.339228][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 83.340092][ T4798] generic_shutdown_super+0x68/0x2f0 [ 83.340878][ T4798] kill_block_super+0x70/0xdc [ 83.341577][ T4798] deactivate_locked_super+0xb8/0x134 [ 83.342381][ T4798] deactivate_super+0xf0/0x110 [ 83.343104][ T4798] cleanup_mnt+0x3b8/0x46c [ 83.343786][ T4798] __cleanup_mnt+0x20/0x30 [ 83.344459][ T4798] task_work_run+0x12c/0x1d8 [ 83.345149][ T4798] do_notify_resume+0x2450/0x309c [ 83.345935][ T4798] el0_svc+0xf0/0x1d0 [ 83.346609][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 83.347322][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 83.348058][ T4798] irq event stamp: 490654 [ 83.348680][ T4798] hardirqs last enabled at (490653): [] __up_console_sem+0xb4/0xfc [ 83.350102][ T4798] hardirqs last disabled at (490654): [] el1_dbg+0x24/0x80 [ 83.351318][ T4798] softirqs last enabled at (490296): [] local_bh_enable+0x10/0x34 [ 83.352768][ T4798] softirqs last disabled at (490294): [] local_bh_disable+0x10/0x34 [ 83.354092][ T4798] ---[ end trace 1f9536340ba83b4d ]--- [ 83.504262][ T5172] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 83.513275][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.515064][ T4798] ------------[ cut here ]------------ [ 83.515867][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.517266][ T4798] Modules linked in: [ 83.517843][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.519188][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.520756][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.521979][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.522836][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.523721][ T4798] sp : ffff80001f486f80 [ 83.524282][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 83.525456][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 83.526586][ T4798] x23: ffff0000e2779690 x22: ffff0000ce3e6020 x21: ffff0000e27796b8 [ 83.527861][ T4798] x20: ffff0000c1c18068 x19: ffff0000c1c18000 x18: 0000000000000001 [ 83.529037][ T4798] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 83.530210][ T4798] x14: 0000000000000001 x13: 1ffff00003e90ce8 x12: 0000000000ff0100 [ 83.531415][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 83.532591][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.533769][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 83.534918][ T4798] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.536013][ T4798] Call trace: [ 83.536492][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.537290][ T4798] ext4_xattr_block_set+0x524/0x267c [ 83.538095][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.538948][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 83.539814][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 83.540663][ T4798] ext4_dirty_inode+0xd0/0x100 [ 83.541382][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 83.542089][ T4798] iput+0x1b0/0x764 [ 83.542625][ T4798] dentry_unlink_inode+0x360/0x438 [ 83.543375][ T4798] __dentry_kill+0x320/0x598 [ 83.544020][ T4798] shrink_dentry_list+0x400/0x7b8 [ 83.544733][ T4798] shrink_dcache_parent+0xb4/0x364 [ 83.545494][ T4798] do_one_tree+0x2c/0xf0 [ 83.546110][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 83.546848][ T4798] generic_shutdown_super+0x68/0x2f0 [ 83.547639][ T4798] kill_block_super+0x70/0xdc [ 83.548363][ T4798] deactivate_locked_super+0xb8/0x134 [ 83.549132][ T4798] deactivate_super+0xf0/0x110 [ 83.549899][ T4798] cleanup_mnt+0x3b8/0x46c [ 83.550607][ T4798] __cleanup_mnt+0x20/0x30 [ 83.551305][ T4798] task_work_run+0x12c/0x1d8 [ 83.552000][ T4798] do_notify_resume+0x2450/0x309c [ 83.552752][ T4798] el0_svc+0xf0/0x1d0 [ 83.553317][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 83.554081][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 83.554801][ T4798] irq event stamp: 498918 [ 83.555400][ T4798] hardirqs last enabled at (498917): [] __up_console_sem+0xb4/0xfc [ 83.556831][ T4798] hardirqs last disabled at (498918): [] el1_dbg+0x24/0x80 [ 83.558190][ T4798] softirqs last enabled at (498620): [] handle_softirqs+0xa40/0xbe4 [ 83.559558][ T4798] softirqs last disabled at (498609): [] __irq_exit_rcu+0x240/0x43c [ 83.560876][ T4798] ---[ end trace 1f9536340ba83b4e ]--- [ 83.675285][ T5176] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 83.685349][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.687125][ T4798] ------------[ cut here ]------------ [ 83.687989][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.689500][ T4798] Modules linked in: [ 83.690118][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.691449][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.692770][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.693954][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.694833][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.695697][ T4798] sp : ffff80001f486f80 [ 83.696395][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 83.697589][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 83.698842][ T4798] x23: ffff0000e277c868 x22: ffff0000d7b67820 x21: ffff0000e277c890 [ 83.699993][ T4798] x20: ffff0000c9b3e068 x19: ffff0000c9b3e000 x18: 0000000000000001 [ 83.701146][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 83.702366][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 83.703536][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 83.704817][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.706043][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 83.707315][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.708613][ T4798] Call trace: [ 83.709131][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.709989][ T4798] ext4_xattr_block_set+0x524/0x267c [ 83.710828][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.711671][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 83.712509][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 83.713382][ T4798] ext4_dirty_inode+0xd0/0x100 [ 83.714124][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 83.714895][ T4798] iput+0x1b0/0x764 [ 83.715487][ T4798] dentry_unlink_inode+0x360/0x438 [ 83.716252][ T4798] __dentry_kill+0x320/0x598 [ 83.716955][ T4798] shrink_dentry_list+0x400/0x7b8 [ 83.717698][ T4798] shrink_dcache_parent+0xb4/0x364 [ 83.718456][ T4798] do_one_tree+0x2c/0xf0 [ 83.719157][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 83.719941][ T4798] generic_shutdown_super+0x68/0x2f0 [ 83.720729][ T4798] kill_block_super+0x70/0xdc [ 83.721443][ T4798] deactivate_locked_super+0xb8/0x134 [ 83.722268][ T4798] deactivate_super+0xf0/0x110 [ 83.722972][ T4798] cleanup_mnt+0x3b8/0x46c [ 83.723657][ T4798] __cleanup_mnt+0x20/0x30 [ 83.724309][ T4798] task_work_run+0x12c/0x1d8 [ 83.724998][ T4798] do_notify_resume+0x2450/0x309c [ 83.725729][ T4798] el0_svc+0xf0/0x1d0 [ 83.726309][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 83.727063][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 83.727844][ T4798] irq event stamp: 505456 [ 83.728537][ T4798] hardirqs last enabled at (505455): [] __up_console_sem+0xb4/0xfc [ 83.729916][ T4798] hardirqs last disabled at (505456): [] el1_dbg+0x24/0x80 [ 83.731268][ T4798] softirqs last enabled at (505096): [] local_bh_enable+0x10/0x34 [ 83.732726][ T4798] softirqs last disabled at (505094): [] local_bh_disable+0x10/0x34 [ 83.734173][ T4798] ---[ end trace 1f9536340ba83b4f ]--- [ 83.884274][ T5180] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 83.893597][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.895417][ T4798] ------------[ cut here ]------------ [ 83.896232][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.897715][ T4798] Modules linked in: [ 83.898254][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.899561][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.901017][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.902192][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.903084][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.903880][ T4798] sp : ffff80001f486f80 [ 83.904483][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 83.905695][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 83.906950][ T4798] x23: ffff0000e277dc58 x22: ffff0000cf568020 x21: ffff0000e277dc80 [ 83.908117][ T4798] x20: ffff0000ca0ea068 x19: ffff0000ca0ea000 x18: 0000000000000001 [ 83.909338][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 83.910484][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 83.911753][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 83.913044][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.914198][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 83.915487][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.916700][ T4798] Call trace: [ 83.917217][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.918032][ T4798] ext4_xattr_block_set+0x524/0x267c [ 83.918824][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.919702][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 83.920531][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 83.921289][ T4798] ext4_dirty_inode+0xd0/0x100 [ 83.921965][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 83.922738][ T4798] iput+0x1b0/0x764 [ 83.923295][ T4798] dentry_unlink_inode+0x360/0x438 [ 83.924048][ T4798] __dentry_kill+0x320/0x598 [ 83.924728][ T4798] shrink_dentry_list+0x400/0x7b8 [ 83.925447][ T4798] shrink_dcache_parent+0xb4/0x364 [ 83.926206][ T4798] do_one_tree+0x2c/0xf0 [ 83.926831][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 83.927617][ T4798] generic_shutdown_super+0x68/0x2f0 [ 83.928351][ T4798] kill_block_super+0x70/0xdc [ 83.928992][ T4798] deactivate_locked_super+0xb8/0x134 [ 83.929790][ T4798] deactivate_super+0xf0/0x110 [ 83.930507][ T4798] cleanup_mnt+0x3b8/0x46c [ 83.931151][ T4798] __cleanup_mnt+0x20/0x30 [ 83.931774][ T4798] task_work_run+0x12c/0x1d8 [ 83.932463][ T4798] do_notify_resume+0x2450/0x309c [ 83.933234][ T4798] el0_svc+0xf0/0x1d0 [ 83.933818][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 83.934560][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 83.935213][ T4798] irq event stamp: 512092 [ 83.935830][ T4798] hardirqs last enabled at (512091): [] __up_console_sem+0xb4/0xfc [ 83.937225][ T4798] hardirqs last disabled at (512092): [] el1_dbg+0x24/0x80 [ 83.938567][ T4798] softirqs last enabled at (511748): [] handle_softirqs+0xa40/0xbe4 [ 83.939916][ T4798] softirqs last disabled at (511737): [] __irq_exit_rcu+0x240/0x43c [ 83.941311][ T4798] ---[ end trace 1f9536340ba83b50 ]--- [ 84.054797][ T5184] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 84.065767][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.067551][ T4798] ------------[ cut here ]------------ [ 84.068374][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.069769][ T4798] Modules linked in: [ 84.070327][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.071480][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.072970][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.074076][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.074890][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.075703][ T4798] sp : ffff80001f486f80 [ 84.076255][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 84.077381][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 84.078575][ T4798] x23: ffff0000e2729690 x22: ffff0000d7f11820 x21: ffff0000e27296b8 [ 84.079762][ T4798] x20: ffff0000d8328068 x19: ffff0000d8328000 x18: 0000000000000001 [ 84.080957][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 84.082042][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 84.083186][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 84.084483][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.085715][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 84.086872][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.088067][ T4798] Call trace: [ 84.088618][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.089443][ T4798] ext4_xattr_block_set+0x524/0x267c [ 84.090147][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.090897][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 84.091712][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 84.092493][ T4798] ext4_dirty_inode+0xd0/0x100 [ 84.093309][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 84.094102][ T4798] iput+0x1b0/0x764 [ 84.094609][ T4798] dentry_unlink_inode+0x360/0x438 [ 84.095380][ T4798] __dentry_kill+0x320/0x598 [ 84.096078][ T4798] shrink_dentry_list+0x400/0x7b8 [ 84.096827][ T4798] shrink_dcache_parent+0xb4/0x364 [ 84.097588][ T4798] do_one_tree+0x2c/0xf0 [ 84.098165][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 84.098934][ T4798] generic_shutdown_super+0x68/0x2f0 [ 84.099730][ T4798] kill_block_super+0x70/0xdc [ 84.100416][ T4798] deactivate_locked_super+0xb8/0x134 [ 84.101153][ T4798] deactivate_super+0xf0/0x110 [ 84.101900][ T4798] cleanup_mnt+0x3b8/0x46c [ 84.102538][ T4798] __cleanup_mnt+0x20/0x30 [ 84.103214][ T4798] task_work_run+0x12c/0x1d8 [ 84.103820][ T4798] do_notify_resume+0x2450/0x309c [ 84.104507][ T4798] el0_svc+0xf0/0x1d0 [ 84.105135][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 84.105856][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 84.106511][ T4798] irq event stamp: 519168 [ 84.107109][ T4798] hardirqs last enabled at (519167): [] __up_console_sem+0xb4/0xfc [ 84.108491][ T4798] hardirqs last disabled at (519168): [] el1_dbg+0x24/0x80 [ 84.109737][ T4798] softirqs last enabled at (518812): [] local_bh_enable+0x10/0x34 [ 84.111127][ T4798] softirqs last disabled at (518810): [] local_bh_disable+0x10/0x34 [ 84.112589][ T4798] ---[ end trace 1f9536340ba83b51 ]--- [ 84.224122][ T5188] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 84.234904][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.236747][ T4798] ------------[ cut here ]------------ [ 84.237597][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.239044][ T4798] Modules linked in: [ 84.239578][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.240973][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.242468][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.243726][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.244635][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.245509][ T4798] sp : ffff80001f486f80 [ 84.246164][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 84.247397][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 84.248605][ T4798] x23: ffff0000e27282a0 x22: ffff0000d7dd3820 x21: ffff0000e27282c8 [ 84.249840][ T4798] x20: ffff0000cb63a068 x19: ffff0000cb63a000 x18: 0000000000000001 [ 84.250981][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 84.252216][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 84.253375][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 84.254573][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.255812][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 84.257014][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.258183][ T4798] Call trace: [ 84.258681][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.259505][ T4798] ext4_xattr_block_set+0x524/0x267c [ 84.260294][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.261168][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 84.262013][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 84.262794][ T4798] ext4_dirty_inode+0xd0/0x100 [ 84.263484][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 84.264253][ T4798] iput+0x1b0/0x764 [ 84.264843][ T4798] dentry_unlink_inode+0x360/0x438 [ 84.265590][ T4798] __dentry_kill+0x320/0x598 [ 84.266334][ T4798] shrink_dentry_list+0x400/0x7b8 [ 84.267126][ T4798] shrink_dcache_parent+0xb4/0x364 [ 84.267861][ T4798] do_one_tree+0x2c/0xf0 [ 84.268549][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 84.269406][ T4798] generic_shutdown_super+0x68/0x2f0 [ 84.270217][ T4798] kill_block_super+0x70/0xdc [ 84.270856][ T4798] deactivate_locked_super+0xb8/0x134 [ 84.271598][ T4798] deactivate_super+0xf0/0x110 [ 84.272283][ T4798] cleanup_mnt+0x3b8/0x46c [ 84.272904][ T4798] __cleanup_mnt+0x20/0x30 [ 84.273559][ T4798] task_work_run+0x12c/0x1d8 [ 84.274187][ T4798] do_notify_resume+0x2450/0x309c [ 84.274900][ T4798] el0_svc+0xf0/0x1d0 [ 84.275498][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 84.276215][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 84.276799][ T4798] irq event stamp: 526286 [ 84.277440][ T4798] hardirqs last enabled at (526285): [] __up_console_sem+0xb4/0xfc [ 84.278871][ T4798] hardirqs last disabled at (526286): [] el1_dbg+0x24/0x80 [ 84.280216][ T4798] softirqs last enabled at (525942): [] local_bh_enable+0x10/0x34 [ 84.281650][ T4798] softirqs last disabled at (525940): [] local_bh_disable+0x10/0x34 [ 84.283025][ T4798] ---[ end trace 1f9536340ba83b52 ]--- [ 84.374215][ T5192] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 84.384336][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.386264][ T4798] ------------[ cut here ]------------ [ 84.387113][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.388629][ T4798] Modules linked in: [ 84.389213][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.390583][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.392098][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.393257][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.394142][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.394957][ T4798] sp : ffff80001f486f80 [ 84.395591][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 84.396787][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 84.398059][ T4798] x23: ffff0000e24f02a0 x22: ffff0000d6402820 x21: ffff0000e24f02c8 [ 84.399319][ T4798] x20: ffff0000c866c068 x19: ffff0000c866c000 x18: 0000000000000001 [ 84.400525][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 84.401774][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 84.403017][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 84.404224][ T4798] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 84.405409][ T4798] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75d2cc [ 84.406613][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.407861][ T4798] Call trace: [ 84.408337][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.409112][ T4798] ext4_xattr_block_set+0x524/0x267c [ 84.409904][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.410789][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 84.411626][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 84.412362][ T4798] ext4_dirty_inode+0xd0/0x100 [ 84.413065][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 84.413856][ T4798] iput+0x1b0/0x764 [ 84.414425][ T4798] dentry_unlink_inode+0x360/0x438 [ 84.415254][ T4798] __dentry_kill+0x320/0x598 [ 84.415988][ T4798] shrink_dentry_list+0x400/0x7b8 [ 84.416735][ T4798] shrink_dcache_parent+0xb4/0x364 [ 84.417520][ T4798] do_one_tree+0x2c/0xf0 [ 84.418172][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 84.418979][ T4798] generic_shutdown_super+0x68/0x2f0 [ 84.419730][ T4798] kill_block_super+0x70/0xdc [ 84.420428][ T4798] deactivate_locked_super+0xb8/0x134 [ 84.421243][ T4798] deactivate_super+0xf0/0x110 [ 84.421961][ T4798] cleanup_mnt+0x3b8/0x46c [ 84.422632][ T4798] __cleanup_mnt+0x20/0x30 [ 84.423245][ T4798] task_work_run+0x12c/0x1d8 [ 84.423887][ T4798] do_notify_resume+0x2450/0x309c [ 84.424637][ T4798] el0_svc+0xf0/0x1d0 [ 84.425213][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 84.425974][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 84.426628][ T4798] irq event stamp: 532622 [ 84.427267][ T4798] hardirqs last enabled at (532621): [] __schedule+0xef8/0x1bc4 [ 84.428702][ T4798] hardirqs last disabled at (532622): [] el1_dbg+0x24/0x80 [ 84.429923][ T4798] softirqs last enabled at (532276): [] local_bh_enable+0x10/0x34 [ 84.431269][ T4798] softirqs last disabled at (532274): [] local_bh_disable+0x10/0x34 [ 84.432715][ T4798] ---[ end trace 1f9536340ba83b53 ]--- [ 84.534519][ T5196] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 84.544415][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.546220][ T4798] ------------[ cut here ]------------ [ 84.547060][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.548502][ T4798] Modules linked in: [ 84.549073][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.550249][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.551661][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.552756][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.553587][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.554401][ T4798] sp : ffff80001f486f80 [ 84.554982][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 84.556153][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 84.557491][ T4798] x23: ffff0000edc15c58 x22: ffff0000d961f820 x21: ffff0000edc15c80 [ 84.558681][ T4798] x20: ffff0000db322068 x19: ffff0000db322000 x18: 0000000000000001 [ 84.559825][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 84.560950][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 84.562147][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 84.563303][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.564440][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 84.565619][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.566715][ T4798] Call trace: [ 84.567171][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.567918][ T4798] ext4_xattr_block_set+0x524/0x267c [ 84.568686][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.569532][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 84.570404][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 84.571266][ T4798] ext4_dirty_inode+0xd0/0x100 [ 84.571958][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 84.572730][ T4798] iput+0x1b0/0x764 [ 84.573309][ T4798] dentry_unlink_inode+0x360/0x438 [ 84.574020][ T4798] __dentry_kill+0x320/0x598 [ 84.574661][ T4798] shrink_dentry_list+0x400/0x7b8 [ 84.575450][ T4798] shrink_dcache_parent+0xb4/0x364 [ 84.576120][ T4798] do_one_tree+0x2c/0xf0 [ 84.576731][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 84.577532][ T4798] generic_shutdown_super+0x68/0x2f0 [ 84.578279][ T4798] kill_block_super+0x70/0xdc [ 84.578926][ T4798] deactivate_locked_super+0xb8/0x134 [ 84.579645][ T4798] deactivate_super+0xf0/0x110 [ 84.580336][ T4798] cleanup_mnt+0x3b8/0x46c [ 84.581000][ T4798] __cleanup_mnt+0x20/0x30 [ 84.581648][ T4798] task_work_run+0x12c/0x1d8 [ 84.582358][ T4798] do_notify_resume+0x2450/0x309c [ 84.583109][ T4798] el0_svc+0xf0/0x1d0 [ 84.583711][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 84.584435][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 84.585093][ T4798] irq event stamp: 539456 [ 84.585707][ T4798] hardirqs last enabled at (539455): [] __up_console_sem+0xb4/0xfc [ 84.587095][ T4798] hardirqs last disabled at (539456): [] el1_dbg+0x24/0x80 [ 84.588406][ T4798] softirqs last enabled at (539158): [] handle_softirqs+0xa40/0xbe4 [ 84.589867][ T4798] softirqs last disabled at (539047): [] __irq_exit_rcu+0x240/0x43c [ 84.591274][ T4798] ---[ end trace 1f9536340ba83b54 ]--- [ 84.724715][ T5200] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 84.734242][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.736152][ T4798] ------------[ cut here ]------------ [ 84.737034][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.738462][ T4798] Modules linked in: [ 84.739011][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.740319][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.741711][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.742809][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.743678][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.744510][ T4798] sp : ffff80001f486f80 [ 84.745080][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 84.746268][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 84.747473][ T4798] x23: ffff0000e26ca088 x22: ffff0000c2fb1020 x21: ffff0000e26ca0b0 [ 84.748678][ T4798] x20: ffff0000dbc0c068 x19: ffff0000dbc0c000 x18: 0000000000000001 [ 84.750015][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 84.751230][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 84.752486][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 84.753731][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.754889][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 84.756130][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.757340][ T4798] Call trace: [ 84.757819][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.758597][ T4798] ext4_xattr_block_set+0x524/0x267c [ 84.759390][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.760311][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 84.761106][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 84.761920][ T4798] ext4_dirty_inode+0xd0/0x100 [ 84.762684][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 84.763413][ T4798] iput+0x1b0/0x764 [ 84.763983][ T4798] dentry_unlink_inode+0x360/0x438 [ 84.764726][ T4798] __dentry_kill+0x320/0x598 [ 84.765456][ T4798] shrink_dentry_list+0x400/0x7b8 [ 84.766172][ T4798] shrink_dcache_parent+0xb4/0x364 [ 84.766946][ T4798] do_one_tree+0x2c/0xf0 [ 84.767650][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 84.768456][ T4798] generic_shutdown_super+0x68/0x2f0 [ 84.769236][ T4798] kill_block_super+0x70/0xdc [ 84.769934][ T4798] deactivate_locked_super+0xb8/0x134 [ 84.770683][ T4798] deactivate_super+0xf0/0x110 [ 84.771440][ T4798] cleanup_mnt+0x3b8/0x46c [ 84.772114][ T4798] __cleanup_mnt+0x20/0x30 [ 84.772794][ T4798] task_work_run+0x12c/0x1d8 [ 84.773518][ T4798] do_notify_resume+0x2450/0x309c [ 84.774315][ T4798] el0_svc+0xf0/0x1d0 [ 84.774927][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 84.775657][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 84.776392][ T4798] irq event stamp: 545960 [ 84.777005][ T4798] hardirqs last enabled at (545959): [] __up_console_sem+0xb4/0xfc [ 84.778404][ T4798] hardirqs last disabled at (545960): [] el1_dbg+0x24/0x80 [ 84.779731][ T4798] softirqs last enabled at (545606): [] local_bh_enable+0x10/0x34 [ 84.781175][ T4798] softirqs last disabled at (545604): [] local_bh_disable+0x10/0x34 [ 84.782652][ T4798] ---[ end trace 1f9536340ba83b55 ]--- [ 84.884302][ T5204] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 84.893254][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.895258][ T4798] ------------[ cut here ]------------ [ 84.896063][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.897581][ T4798] Modules linked in: [ 84.898158][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.899373][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.900859][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.901960][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.902719][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.903621][ T4798] sp : ffff80001f486f80 [ 84.904261][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 84.905457][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 84.906642][ T4798] x23: ffff0000edc12a80 x22: ffff0000c0e07020 x21: ffff0000edc12aa8 [ 84.907877][ T4798] x20: ffff0000ed9f0068 x19: ffff0000ed9f0000 x18: 0000000000000001 [ 84.909042][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 84.910207][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 84.911458][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 84.912673][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.913841][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 84.915077][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.916358][ T4798] Call trace: [ 84.916810][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.917614][ T4798] ext4_xattr_block_set+0x524/0x267c [ 84.918657][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.919555][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 84.920374][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 84.921222][ T4798] ext4_dirty_inode+0xd0/0x100 [ 84.921914][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 84.922650][ T4798] iput+0x1b0/0x764 [ 84.923255][ T4798] dentry_unlink_inode+0x360/0x438 [ 84.924010][ T4798] __dentry_kill+0x320/0x598 [ 84.924701][ T4798] shrink_dentry_list+0x400/0x7b8 [ 84.925435][ T4798] shrink_dcache_parent+0xb4/0x364 [ 84.926208][ T4798] do_one_tree+0x2c/0xf0 [ 84.926804][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 84.927650][ T4798] generic_shutdown_super+0x68/0x2f0 [ 84.928455][ T4798] kill_block_super+0x70/0xdc [ 84.929167][ T4798] deactivate_locked_super+0xb8/0x134 [ 84.929948][ T4798] deactivate_super+0xf0/0x110 [ 84.930664][ T4798] cleanup_mnt+0x3b8/0x46c [ 84.931417][ T4798] __cleanup_mnt+0x20/0x30 [ 84.932067][ T4798] task_work_run+0x12c/0x1d8 [ 84.932744][ T4798] do_notify_resume+0x2450/0x309c [ 84.933517][ T4798] el0_svc+0xf0/0x1d0 [ 84.934080][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 84.934836][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 84.935481][ T4798] irq event stamp: 552980 [ 84.936174][ T4798] hardirqs last enabled at (552979): [] __up_console_sem+0xb4/0xfc [ 84.937593][ T4798] hardirqs last disabled at (552980): [] el1_dbg+0x24/0x80 [ 84.938950][ T4798] softirqs last enabled at (552702): [] handle_softirqs+0xa40/0xbe4 [ 84.940454][ T4798] softirqs last disabled at (552681): [] __irq_exit_rcu+0x240/0x43c [ 84.941943][ T4798] ---[ end trace 1f9536340ba83b56 ]--- [ 85.127863][ T5208] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 85.144793][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 85.146811][ T4798] ------------[ cut here ]------------ [ 85.147608][ T4798] WARNING: CPU: 1 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.149034][ T4798] Modules linked in: [ 85.149712][ T4798] CPU: 1 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.151145][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.152779][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.153935][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.154794][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 85.155669][ T4798] sp : ffff80001f486f80 [ 85.156317][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 85.157616][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 85.158864][ T4798] x23: ffff0000e272dc58 x22: ffff0000d7b3c020 x21: ffff0000e272dc80 [ 85.160082][ T4798] x20: ffff0000e73a8068 x19: ffff0000e73a8000 x18: 0000000000000001 [ 85.161320][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 85.162528][ T4798] x14: 0000000000000001 x13: 1fffe000341f60d7 x12: 0000000000ff0100 [ 85.163777][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 85.164995][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.166221][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 85.167442][ T4798] x2 : ffff0001a0fa4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.168660][ T4798] Call trace: [ 85.169195][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.170001][ T4798] ext4_xattr_block_set+0x524/0x267c [ 85.170890][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 85.171739][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 85.172615][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 85.173418][ T4798] ext4_dirty_inode+0xd0/0x100 [ 85.174127][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 85.174865][ T4798] iput+0x1b0/0x764 [ 85.175424][ T4798] dentry_unlink_inode+0x360/0x438 [ 85.176149][ T4798] __dentry_kill+0x320/0x598 [ 85.176879][ T4798] shrink_dentry_list+0x400/0x7b8 [ 85.177664][ T4798] shrink_dcache_parent+0xb4/0x364 [ 85.178472][ T4798] do_one_tree+0x2c/0xf0 [ 85.179157][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 85.179929][ T4798] generic_shutdown_super+0x68/0x2f0 [ 85.180705][ T4798] kill_block_super+0x70/0xdc [ 85.181449][ T4798] deactivate_locked_super+0xb8/0x134 [ 85.182338][ T4798] deactivate_super+0xf0/0x110 [ 85.183056][ T4798] cleanup_mnt+0x3b8/0x46c [ 85.183689][ T4798] __cleanup_mnt+0x20/0x30 [ 85.184299][ T4798] task_work_run+0x12c/0x1d8 [ 85.185056][ T4798] do_notify_resume+0x2450/0x309c [ 85.185738][ T4798] el0_svc+0xf0/0x1d0 [ 85.186312][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 85.187024][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 85.187723][ T4798] irq event stamp: 560232 [ 85.188385][ T4798] hardirqs last enabled at (560231): [] __up_console_sem+0xb4/0xfc [ 85.189873][ T4798] hardirqs last disabled at (560232): [] el1_dbg+0x24/0x80 [ 85.191308][ T4798] softirqs last enabled at (559880): [] local_bh_enable+0x10/0x34 [ 85.192680][ T4798] softirqs last disabled at (559878): [] local_bh_disable+0x10/0x34 [ 85.194178][ T4798] ---[ end trace 1f9536340ba83b57 ]--- [ 85.254584][ T5212] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 85.263918][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 85.265690][ T4798] ------------[ cut here ]------------ [ 85.266458][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.267855][ T4798] Modules linked in: [ 85.268398][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.269610][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.271061][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.272167][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.273099][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 85.273947][ T4798] sp : ffff80001f486f80 [ 85.274519][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 85.275732][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 85.276969][ T4798] x23: ffff0000e272b478 x22: ffff0000d89cc020 x21: ffff0000e272b4a0 [ 85.278256][ T4798] x20: ffff0000cb09c068 x19: ffff0000cb09c000 x18: 0000000000000001 [ 85.279360][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 85.280579][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 85.281827][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 85.283035][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.284164][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 85.285453][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.286783][ T4798] Call trace: [ 85.287308][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.288068][ T4798] ext4_xattr_block_set+0x524/0x267c [ 85.288884][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 85.289559][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 85.290345][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 85.291140][ T4798] ext4_dirty_inode+0xd0/0x100 [ 85.291852][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 85.292556][ T4798] iput+0x1b0/0x764 [ 85.293130][ T4798] dentry_unlink_inode+0x360/0x438 [ 85.293850][ T4798] __dentry_kill+0x320/0x598 [ 85.294536][ T4798] shrink_dentry_list+0x400/0x7b8 [ 85.295259][ T4798] shrink_dcache_parent+0xb4/0x364 [ 85.295970][ T4798] do_one_tree+0x2c/0xf0 [ 85.296592][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 85.297474][ T4798] generic_shutdown_super+0x68/0x2f0 [ 85.298173][ T4798] kill_block_super+0x70/0xdc [ 85.298839][ T4798] deactivate_locked_super+0xb8/0x134 [ 85.299605][ T4798] deactivate_super+0xf0/0x110 [ 85.300320][ T4798] cleanup_mnt+0x3b8/0x46c [ 85.300916][ T4798] __cleanup_mnt+0x20/0x30 [ 85.301509][ T4798] task_work_run+0x12c/0x1d8 [ 85.302229][ T4798] do_notify_resume+0x2450/0x309c [ 85.302977][ T4798] el0_svc+0xf0/0x1d0 [ 85.303586][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 85.304297][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 85.304943][ T4798] irq event stamp: 567348 [ 85.305560][ T4798] hardirqs last enabled at (567347): [] __up_console_sem+0xb4/0xfc [ 85.307017][ T4798] hardirqs last disabled at (567348): [] el1_dbg+0x24/0x80 [ 85.308339][ T4798] softirqs last enabled at (567034): [] handle_softirqs+0xa40/0xbe4 [ 85.309681][ T4798] softirqs last disabled at (567027): [] __irq_exit_rcu+0x240/0x43c [ 85.311075][ T4798] ---[ end trace 1f9536340ba83b58 ]--- [ 85.364793][ T5216] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 85.378704][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 85.380505][ T4798] ------------[ cut here ]------------ [ 85.381232][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.382867][ T4798] Modules linked in: [ 85.383554][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.384877][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.386399][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.387509][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.388377][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 85.389207][ T4798] sp : ffff80001f486f80 [ 85.389836][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 85.391016][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 85.392169][ T4798] x23: ffff0000e26cd260 x22: ffff0000d7811020 x21: ffff0000e26cd288 [ 85.393422][ T4798] x20: ffff0000d81de068 x19: ffff0000d81de000 x18: 0000000000000001 [ 85.394672][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 85.395874][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 85.397052][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 85.398213][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.399494][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 85.400736][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.401828][ T4798] Call trace: [ 85.402317][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.403137][ T4798] ext4_xattr_block_set+0x524/0x267c [ 85.403935][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 85.404826][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 85.405599][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 85.406439][ T4798] ext4_dirty_inode+0xd0/0x100 [ 85.407137][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 85.407928][ T4798] iput+0x1b0/0x764 [ 85.408456][ T4798] dentry_unlink_inode+0x360/0x438 [ 85.409200][ T4798] __dentry_kill+0x320/0x598 [ 85.409908][ T4798] shrink_dentry_list+0x400/0x7b8 [ 85.410688][ T4798] shrink_dcache_parent+0xb4/0x364 [ 85.411570][ T4798] do_one_tree+0x2c/0xf0 [ 85.412185][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 85.412995][ T4798] generic_shutdown_super+0x68/0x2f0 [ 85.413829][ T4798] kill_block_super+0x70/0xdc [ 85.414555][ T4798] deactivate_locked_super+0xb8/0x134 [ 85.415312][ T4798] deactivate_super+0xf0/0x110 [ 85.416037][ T4798] cleanup_mnt+0x3b8/0x46c [ 85.416670][ T4798] __cleanup_mnt+0x20/0x30 [ 85.417347][ T4798] task_work_run+0x12c/0x1d8 [ 85.418014][ T4798] do_notify_resume+0x2450/0x309c [ 85.418709][ T4798] el0_svc+0xf0/0x1d0 [ 85.419241][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 85.420032][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 85.420720][ T4798] irq event stamp: 573618 [ 85.421317][ T4798] hardirqs last enabled at (573617): [] __up_console_sem+0xb4/0xfc [ 85.422751][ T4798] hardirqs last disabled at (573618): [] el1_dbg+0x24/0x80 [ 85.424024][ T4798] softirqs last enabled at (573262): [] local_bh_enable+0x10/0x34 [ 85.425368][ T4798] softirqs last disabled at (573260): [] local_bh_disable+0x10/0x34 [ 85.426695][ T4798] ---[ end trace 1f9536340ba83b59 ]--- [ 85.534571][ T5220] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,noblock_validity,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,,errors=continue. Quota mode: writeback. [ 85.543799][ T4798] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 85.545476][ T4798] ------------[ cut here ]------------ [ 85.546242][ T4798] WARNING: CPU: 0 PID: 4798 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.547643][ T4798] Modules linked in: [ 85.548232][ T4798] CPU: 0 PID: 4798 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.549560][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.551041][ T4798] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.552235][ T4798] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.553088][ T4798] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 85.553948][ T4798] sp : ffff80001f486f80 [ 85.554570][ T4798] x29: ffff80001f4871c0 x28: ffff700003e90e18 x27: ffff80001f4872f8 [ 85.555840][ T4798] x26: dfff800000000000 x25: 1ffff00003e90e9b x24: 1ffff00003e90e5f [ 85.557088][ T4798] x23: ffff0000e24f6650 x22: ffff0000d7813820 x21: ffff0000e24f6678 [ 85.558420][ T4798] x20: ffff0000c132e068 x19: ffff0000c132e000 x18: 0000000000000001 [ 85.559677][ T4798] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 85.560873][ T4798] x14: 0000000000000001 x13: 1fffe000341f1ed7 x12: 0000000000ff0100 [ 85.562118][ T4798] x11: 0000000000000000 x10: 0000000000000000 x9 : 001f818e311db800 [ 85.563326][ T4798] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.564443][ T4798] x5 : ffff80001f486758 x4 : ffff80001436f3e0 x3 : ffff80000a75d2cc [ 85.565672][ T4798] x2 : ffff0001a0f83d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.566847][ T4798] Call trace: [ 85.567294][ T4798] ext4_xattr_set_entry+0x11fc/0x2e50 [ 85.568034][ T4798] ext4_xattr_block_set+0x524/0x267c [ 85.568829][ T4798] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 85.569725][ T4798] __ext4_expand_extra_isize+0x298/0x358 [ 85.570572][ T4798] __ext4_mark_inode_dirty+0x434/0x79c [ 85.571442][ T4798] ext4_dirty_inode+0xd0/0x100 [ 85.572184][ T4798] __mark_inode_dirty+0x2b0/0xf8c [ 85.572889][ T4798] iput+0x1b0/0x764 [ 85.573413][ T4798] dentry_unlink_inode+0x360/0x438 [ 85.574160][ T4798] __dentry_kill+0x320/0x598 [ 85.574816][ T4798] shrink_dentry_list+0x400/0x7b8 [ 85.575531][ T4798] shrink_dcache_parent+0xb4/0x364 [ 85.576274][ T4798] do_one_tree+0x2c/0xf0 [ 85.576925][ T4798] shrink_dcache_for_umount+0x68/0x114 [ 85.577718][ T4798] generic_shutdown_super+0x68/0x2f0 [ 85.578508][ T4798] kill_block_super+0x70/0xdc [ 85.579212][ T4798] deactivate_locked_super+0xb8/0x134 [ 85.579964][ T4798] deactivate_super+0xf0/0x110 [ 85.580610][ T4798] cleanup_mnt+0x3b8/0x46c [ 85.581237][ T4798] __cleanup_mnt+0x20/0x30 [ 85.581903][ T4798] task_work_run+0x12c/0x1d8 [ 85.582611][ T4798] do_notify_resume+0x2450/0x309c [ 85.583407][ T4798] el0_svc+0xf0/0x1d0 [ 85.583998][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 85.584722][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 85.585408][ T4798] irq event stamp: 579944 [ 85.586058][ T4798] hardirqs last enabled at (579943): [] __up_console_sem+0xb4/0xfc [ 85.587500][ T4798] hardirqs last disabled at (579944): [] el1_dbg+0x24/0x80 [ 85.588790][ T4798] softirqs last enabled at (579584): [] local_bh_enable+0x10/0x34 [ 85.590229][ T4798] softirqs last disabled at (579582): [] local_bh_disable+0x10/0x34 [ 85.591685][ T4798] ---[ end trace 1f9536340ba83b5a ]---