[ 48.716838][ T148] device bridge_slave_0 left promiscuous mode [ 48.717889][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.855169][ T148] device veth1_macvtap left promiscuous mode [ 48.856151][ T148] device veth0_macvtap left promiscuous mode [ 48.857008][ T148] device veth1_vlan left promiscuous mode [ 48.857949][ T148] device veth0_vlan left promiscuous mode [ 48.953615][ T148] team0 (unregistering): Port device team_slave_1 removed [ 48.957695][ T148] team0 (unregistering): Port device team_slave_0 removed [ 48.961654][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.970472][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.048453][ T148] bond0 (unregistering): Released all slaves [ 51.690341][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.738178][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.778522][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.818506][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.1.183' (ED25519) to the list of known hosts. [ 54.791445][ T148] device hsr_slave_0 left promiscuous mode [ 54.845856][ T148] device hsr_slave_1 left promiscuous mode [ 54.935628][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 54.937050][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 54.938691][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 54.939941][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 54.941534][ T148] device bridge_slave_1 left promiscuous mode [ 54.942585][ T148] bridge0: port 2(bridge_slave_1) entered disabled state 1970/01/01 00:00:54 parsed 1 programs [ 55.005707][ T148] device bridge_slave_0 left promiscuous mode [ 55.006925][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.165641][ T148] device veth1_macvtap left promiscuous mode [ 55.166730][ T148] device veth0_macvtap left promiscuous mode [ 55.167711][ T148] device veth1_vlan left promiscuous mode [ 55.168730][ T148] device veth0_vlan left promiscuous mode [ 55.256955][ T148] team0 (unregistering): Port device team_slave_1 removed [ 55.261039][ T148] team0 (unregistering): Port device team_slave_0 removed [ 55.264868][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 55.318748][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 55.429024][ T148] bond0 (unregistering): Released all slaves [ 56.047311][ T4386] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.643235][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.644573][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.646833][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.652319][ T413] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.653614][ T413] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.655093][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.761504][ T4423] chnl_net:caif_netlink_parms(): no params data found [ 57.781451][ T4423] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.782798][ T4423] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.784376][ T4423] device bridge_slave_0 entered promiscuous mode [ 57.786631][ T4423] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.787936][ T4423] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.789532][ T4423] device bridge_slave_1 entered promiscuous mode [ 57.798488][ T4423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.801155][ T4423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.811351][ T4423] team0: Port device team_slave_0 added [ 57.813217][ T4423] team0: Port device team_slave_1 added [ 57.820782][ T4423] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.822070][ T4423] 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. [ 57.826738][ T4423] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.829463][ T4423] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.830621][ T4423] 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. [ 57.834737][ T4423] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.906095][ T4423] device hsr_slave_0 entered promiscuous mode [ 57.965236][ T4423] device hsr_slave_1 entered promiscuous mode [ 58.547689][ T4423] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.586343][ T4423] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.636328][ T4423] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.702828][ T4423] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.769690][ T4423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.773945][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.775901][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.778704][ T4423] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.785352][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.787617][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.789062][ T1612] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.790307][ T1612] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.791769][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.793385][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.794859][ T1612] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.796257][ T1612] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.798540][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.800242][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.802484][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.809789][ T4423] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.812403][ T4423] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.815392][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.817018][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.818687][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.820376][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.821895][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.823364][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.829726][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.831388][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.835825][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.837479][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.911835][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.913217][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.916953][ T4423] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.925726][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.927579][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.930857][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.932454][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.934762][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.937753][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.942583][ T4423] device veth0_vlan entered promiscuous mode [ 58.946767][ T4423] device veth1_vlan entered promiscuous mode [ 58.954700][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.956921][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.958364][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.959860][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.964024][ T4423] device veth0_macvtap entered promiscuous mode [ 58.967624][ T4423] device veth1_macvtap entered promiscuous mode [ 58.973552][ T4423] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.974861][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.976841][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.978404][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.980134][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.983106][ T4423] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.986605][ T4423] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.987907][ T4423] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.989398][ T4423] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.990915][ T4423] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.993056][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.994771][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:00:59 executed programs: 0 [ 59.720365][ T4640] chnl_net:caif_netlink_parms(): no params data found [ 59.739999][ T4640] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.741274][ T4640] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.742865][ T4640] device bridge_slave_0 entered promiscuous mode [ 59.745997][ T4640] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.747040][ T4640] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.748652][ T4640] device bridge_slave_1 entered promiscuous mode [ 59.756654][ T4640] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.759398][ T4640] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.770511][ T4640] team0: Port device team_slave_0 added [ 59.772343][ T4640] team0: Port device team_slave_1 added [ 59.780526][ T4640] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.781760][ T4640] 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. [ 59.787381][ T4640] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.791778][ T4640] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.792944][ T4640] 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. [ 59.797870][ T4640] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.836675][ T4640] device hsr_slave_0 entered promiscuous mode [ 59.865952][ T4640] device hsr_slave_1 entered promiscuous mode [ 59.905517][ T4640] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.907000][ T4640] Cannot create hsr debugfs directory [ 59.936046][ T4640] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.694988][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 62.701807][ T4640] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.775059][ T4246] Bluetooth: hci0: command 0x041b tx timeout [ 64.950280][ T4640] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.042819][ T4640] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.239695][ T4640] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.287316][ T4640] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.336528][ T4640] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.396724][ T4640] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.477007][ T4640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.480677][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.482204][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.484759][ T4640] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.487694][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.489537][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.491075][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.492178][ T413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.493557][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.497538][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.499270][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.500823][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.501992][ T413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.504486][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.508162][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.510944][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.513061][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.515335][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.518023][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.519654][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.522496][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.524117][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.528544][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.530124][ T413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.532616][ T4640] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.570521][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.571979][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.575653][ T4640] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.584620][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.586954][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.605395][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.607058][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.608791][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.610294][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.611795][ T4640] device veth0_vlan entered promiscuous mode [ 65.616079][ T4640] device veth1_vlan entered promiscuous mode [ 65.623143][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.624832][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.627010][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.628757][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.631429][ T4640] device veth0_macvtap entered promiscuous mode [ 65.634133][ T4640] device veth1_macvtap entered promiscuous mode [ 65.639736][ T4640] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.641414][ T4640] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.643695][ T4640] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.644911][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.647492][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.649046][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.650706][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.663281][ T4640] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.665873][ T4640] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.667995][ T4640] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.669341][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.671098][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.673970][ T4640] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.675553][ T4640] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.676966][ T4640] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.678315][ T4640] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.703205][ T1606] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.704548][ T1606] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.706380][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.714026][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.715820][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.717218][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:05 executed programs: 2 [ 65.736375][ T4714] loop0: detected capacity change from 0 to 1024 [ 65.788188][ T4714] 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. [ 65.802202][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 65.804173][ T4640] ------------[ cut here ]------------ [ 65.804985][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 65.806635][ T4640] Modules linked in: [ 65.807327][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Not tainted syzkaller #0 [ 65.808595][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 65.810351][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 65.811677][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 65.812632][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 65.813570][ T4640] sp : ffff80001f8b6f80 [ 65.814260][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7d02a0 x27: ffff80001f8b74d8 [ 65.815605][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000ce5b8820 [ 65.816995][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c9c5e068 [ 65.818626][ T4640] x20: ffff0000ce5b8820 x19: ffff0000c9c5e000 x18: 0000000000000001 [ 65.820175][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 000000000004ffff [ 65.821688][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 65.823294][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 65.824677][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 65.826002][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 65.827456][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 65.828814][ T4640] Call trace: [ 65.829391][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 65.830334][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 65.831200][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 65.832241][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 65.833207][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 65.834147][ T4640] ext4_dirty_inode+0xd4/0x110 [ 65.834984][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 65.835916][ T4640] iput+0x1bc/0x770 [ 65.836562][ T4640] dentry_unlink_inode+0x360/0x438 [ 65.837405][ T4640] __dentry_kill+0x318/0x590 [ 65.838160][ T4640] shrink_dentry_list+0x404/0x7d0 [ 65.838966][ T4640] shrink_dcache_parent+0xb0/0x364 [ 65.839810][ T4640] do_one_tree+0x2c/0xf4 [ 65.840552][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 65.841485][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 65.842440][ T4640] kill_block_super+0x78/0xe0 [ 65.843256][ T4640] deactivate_locked_super+0xc0/0x13c [ 65.844138][ T4640] deactivate_super+0xf0/0x110 [ 65.844918][ T4640] cleanup_mnt+0x3bc/0x470 [ 65.845735][ T4640] __cleanup_mnt+0x20/0x30 [ 65.846488][ T4640] task_work_run+0x13c/0x1e8 [ 65.847278][ T4640] do_notify_resume+0x2488/0x30a8 [ 65.848125][ T4640] el0_svc+0xf0/0x1d0 [ 65.848811][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 65.849690][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 65.850459][ T4640] irq event stamp: 124122 [ 65.851192][ T4640] hardirqs last enabled at (124121): [] __up_console_sem+0xb4/0xfc [ 65.852829][ T4640] hardirqs last disabled at (124122): [] el1_dbg+0x24/0x80 [ 65.854286][ T4640] softirqs last enabled at (123776): [] local_bh_enable+0x10/0x34 [ 65.855956][ T4640] softirqs last disabled at (123774): [] local_bh_disable+0x10/0x34 [ 65.857629][ T4640] ---[ end trace 38e729154f41e0ce ]--- [ 65.859263][ T4171] Bluetooth: hci0: command 0x040f tx timeout [ 65.860788][ T4640] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2809: Unable to expand inode 12. Delete some EAs or run e2fsck. [ 65.912238][ T4719] loop0: detected capacity change from 0 to 1024 [ 65.956979][ T4719] 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. [ 65.966594][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 65.968402][ T4640] ------------[ cut here ]------------ [ 65.969344][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 65.971108][ T4640] Modules linked in: [ 65.971789][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 65.973429][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 65.975132][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 65.976508][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 65.977500][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 65.978452][ T4640] sp : ffff80001f8b6f80 [ 65.979181][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7d2a80 x27: ffff80001f8b74d8 [ 65.980659][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000cd35a020 [ 65.982061][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c9704068 [ 65.983383][ T4640] x20: ffff0000cd35a020 x19: ffff0000c9704000 x18: 0000000000000001 [ 65.984766][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 65.986081][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 65.987477][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 65.988737][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 65.990073][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 65.991461][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 65.992800][ T4640] Call trace: [ 65.993379][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 65.994360][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 65.995231][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 65.996259][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 65.997251][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 65.998241][ T4640] ext4_dirty_inode+0xd4/0x110 [ 65.999105][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 65.999962][ T4640] iput+0x1bc/0x770 [ 66.000606][ T4640] dentry_unlink_inode+0x360/0x438 [ 66.001486][ T4640] __dentry_kill+0x318/0x590 [ 66.002212][ T4640] shrink_dentry_list+0x404/0x7d0 [ 66.003041][ T4640] shrink_dcache_parent+0xb0/0x364 [ 66.004049][ T4640] do_one_tree+0x2c/0xf4 [ 66.004907][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 66.006019][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 66.007090][ T4640] kill_block_super+0x78/0xe0 [ 66.008048][ T4640] deactivate_locked_super+0xc0/0x13c [ 66.009074][ T4640] deactivate_super+0xf0/0x110 [ 66.009984][ T4640] cleanup_mnt+0x3bc/0x470 [ 66.010798][ T4640] __cleanup_mnt+0x20/0x30 [ 66.011558][ T4640] task_work_run+0x13c/0x1e8 [ 66.012351][ T4640] do_notify_resume+0x2488/0x30a8 [ 66.013242][ T4640] el0_svc+0xf0/0x1d0 [ 66.013917][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 66.014716][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 66.015431][ T4640] irq event stamp: 128480 [ 66.016168][ T4640] hardirqs last enabled at (128479): [] __up_console_sem+0xb4/0xfc [ 66.017801][ T4640] hardirqs last disabled at (128480): [] el1_dbg+0x24/0x80 [ 66.019364][ T4640] softirqs last enabled at (128140): [] local_bh_enable+0x10/0x34 [ 66.021032][ T4640] softirqs last disabled at (128138): [] local_bh_disable+0x10/0x34 [ 66.022730][ T4640] ---[ end trace 38e729154f41e0cf ]--- [ 66.087705][ T4723] loop0: detected capacity change from 0 to 1024 [ 66.136352][ T4723] 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. [ 66.145416][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 66.147483][ T4640] ------------[ cut here ]------------ [ 66.148445][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 66.150099][ T4640] Modules linked in: [ 66.150667][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 66.152100][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 66.153693][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.154939][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 66.155905][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 66.157048][ T4640] sp : ffff80001f8b6f80 [ 66.157755][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7d5260 x27: ffff80001f8b74d8 [ 66.159090][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d1e4b820 [ 66.160461][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d5b32068 [ 66.161863][ T4640] x20: ffff0000d1e4b820 x19: ffff0000d5b32000 x18: 0000000000000001 [ 66.163299][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 66.164691][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 66.166151][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 66.167633][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 66.169117][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 66.170548][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 66.171895][ T4640] Call trace: [ 66.172465][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 66.173363][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 66.174308][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 66.175274][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 66.176200][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 66.177116][ T4640] ext4_dirty_inode+0xd4/0x110 [ 66.177903][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 66.178758][ T4640] iput+0x1bc/0x770 [ 66.179393][ T4640] dentry_unlink_inode+0x360/0x438 [ 66.180229][ T4640] __dentry_kill+0x318/0x590 [ 66.181013][ T4640] shrink_dentry_list+0x404/0x7d0 [ 66.181887][ T4640] shrink_dcache_parent+0xb0/0x364 [ 66.182759][ T4640] do_one_tree+0x2c/0xf4 [ 66.183462][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 66.184421][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 66.185298][ T4640] kill_block_super+0x78/0xe0 [ 66.186216][ T4640] deactivate_locked_super+0xc0/0x13c [ 66.187193][ T4640] deactivate_super+0xf0/0x110 [ 66.188050][ T4640] cleanup_mnt+0x3bc/0x470 [ 66.188839][ T4640] __cleanup_mnt+0x20/0x30 [ 66.189590][ T4640] task_work_run+0x13c/0x1e8 [ 66.190380][ T4640] do_notify_resume+0x2488/0x30a8 [ 66.191211][ T4640] el0_svc+0xf0/0x1d0 [ 66.191854][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 66.192681][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 66.193430][ T4640] irq event stamp: 133256 [ 66.194188][ T4640] hardirqs last enabled at (133255): [] __up_console_sem+0xb4/0xfc [ 66.196118][ T4640] hardirqs last disabled at (133256): [] el1_dbg+0x24/0x80 [ 66.197824][ T4640] softirqs last enabled at (132962): [] handle_softirqs+0xa70/0xc14 [ 66.199761][ T4640] softirqs last disabled at (132939): [] __irq_exit_rcu+0x240/0x434 [ 66.201545][ T4640] ---[ end trace 38e729154f41e0d0 ]--- [ 66.258542][ T4727] loop0: detected capacity change from 0 to 1024 [ 66.308691][ T4727] 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. [ 66.318271][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 66.320121][ T4640] ------------[ cut here ]------------ [ 66.320941][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 66.322516][ T4640] Modules linked in: [ 66.323143][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 66.324472][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 66.326101][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.327393][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 66.328378][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 66.329332][ T4640] sp : ffff80001f8b6f80 [ 66.330003][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc9be70 x27: ffff80001f8b74d8 [ 66.331314][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000e9cc3020 [ 66.332579][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000e7bd8068 [ 66.333932][ T4640] x20: ffff0000e9cc3020 x19: ffff0000e7bd8000 x18: 0000000000000001 [ 66.335293][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 66.336521][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 66.338115][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 66.339669][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 66.341040][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 66.342434][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 66.343855][ T4640] Call trace: [ 66.344398][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 66.345278][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 66.346187][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 66.347129][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 66.348066][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 66.348972][ T4640] ext4_dirty_inode+0xd4/0x110 [ 66.349742][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 66.350593][ T4640] iput+0x1bc/0x770 [ 66.351286][ T4640] dentry_unlink_inode+0x360/0x438 [ 66.352178][ T4640] __dentry_kill+0x318/0x590 [ 66.352982][ T4640] shrink_dentry_list+0x404/0x7d0 [ 66.353860][ T4640] shrink_dcache_parent+0xb0/0x364 [ 66.354754][ T4640] do_one_tree+0x2c/0xf4 [ 66.355480][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 66.356400][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 66.357306][ T4640] kill_block_super+0x78/0xe0 [ 66.358097][ T4640] deactivate_locked_super+0xc0/0x13c [ 66.359048][ T4640] deactivate_super+0xf0/0x110 [ 66.359879][ T4640] cleanup_mnt+0x3bc/0x470 [ 66.360743][ T4640] __cleanup_mnt+0x20/0x30 [ 66.361584][ T4640] task_work_run+0x13c/0x1e8 [ 66.362428][ T4640] do_notify_resume+0x2488/0x30a8 [ 66.363270][ T4640] el0_svc+0xf0/0x1d0 [ 66.364019][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 66.364898][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 66.365655][ T4640] irq event stamp: 138838 [ 66.366361][ T4640] hardirqs last enabled at (138837): [] __up_console_sem+0xb4/0xfc [ 66.368062][ T4640] hardirqs last disabled at (138838): [] el1_dbg+0x24/0x80 [ 66.369618][ T4640] softirqs last enabled at (138502): [] local_bh_enable+0x10/0x34 [ 66.371220][ T4640] softirqs last disabled at (138500): [] local_bh_disable+0x10/0x34 [ 66.372852][ T4640] ---[ end trace 38e729154f41e0d1 ]--- [ 66.457511][ T4731] loop0: detected capacity change from 0 to 1024 [ 66.471964][ T4731] 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. [ 66.481955][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 66.484086][ T4640] ------------[ cut here ]------------ [ 66.485006][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 66.486780][ T4640] Modules linked in: [ 66.487588][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 66.489116][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 66.490734][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.492255][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 66.493308][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 66.494352][ T4640] sp : ffff80001f8b6f80 [ 66.495068][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc9e650 x27: ffff80001f8b74d8 [ 66.496454][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d01d2820 [ 66.497896][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c91da068 [ 66.499353][ T4640] x20: ffff0000d01d2820 x19: ffff0000c91da000 x18: 0000000000000001 [ 66.500720][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 66.502126][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 66.503495][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 66.504877][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 66.506234][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 66.507568][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 66.508984][ T4640] Call trace: [ 66.509535][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 66.510493][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 66.511401][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 66.512617][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 66.513740][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 66.514833][ T4640] ext4_dirty_inode+0xd4/0x110 [ 66.515812][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 66.516813][ T4640] iput+0x1bc/0x770 [ 66.517438][ T4640] dentry_unlink_inode+0x360/0x438 [ 66.518382][ T4640] __dentry_kill+0x318/0x590 [ 66.519165][ T4640] shrink_dentry_list+0x404/0x7d0 [ 66.520044][ T4640] shrink_dcache_parent+0xb0/0x364 [ 66.520944][ T4640] do_one_tree+0x2c/0xf4 [ 66.521810][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 66.522833][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 66.523779][ T4640] kill_block_super+0x78/0xe0 [ 66.524560][ T4640] deactivate_locked_super+0xc0/0x13c [ 66.525484][ T4640] deactivate_super+0xf0/0x110 [ 66.526295][ T4640] cleanup_mnt+0x3bc/0x470 [ 66.527035][ T4640] __cleanup_mnt+0x20/0x30 [ 66.527768][ T4640] task_work_run+0x13c/0x1e8 [ 66.528521][ T4640] do_notify_resume+0x2488/0x30a8 [ 66.529331][ T4640] el0_svc+0xf0/0x1d0 [ 66.530027][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 66.530898][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 66.531648][ T4640] irq event stamp: 144466 [ 66.532396][ T4640] hardirqs last enabled at (144465): [] __up_console_sem+0xb4/0xfc [ 66.533939][ T4640] hardirqs last disabled at (144466): [] el1_dbg+0x24/0x80 [ 66.535344][ T4640] softirqs last enabled at (144130): [] local_bh_enable+0x10/0x34 [ 66.536937][ T4640] softirqs last disabled at (144128): [] local_bh_disable+0x10/0x34 [ 66.538535][ T4640] ---[ end trace 38e729154f41e0d2 ]--- [ 66.588859][ T4735] loop0: detected capacity change from 0 to 1024 [ 66.637418][ T4735] 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. [ 66.652459][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 66.654396][ T4640] ------------[ cut here ]------------ [ 66.655319][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 66.656986][ T4640] Modules linked in: [ 66.657652][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 66.659235][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 66.661047][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.662427][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 66.663448][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 66.664502][ T4640] sp : ffff80001f8b6f80 [ 66.665259][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e27f82a0 x27: ffff80001f8b74d8 [ 66.666657][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d6815020 [ 66.667997][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c1128068 [ 66.669402][ T4640] x20: ffff0000d6815020 x19: ffff0000c1128000 x18: 0000000000000001 [ 66.670760][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 66.672160][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 66.673537][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 66.674936][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 66.676301][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 66.677640][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 66.679018][ T4640] Call trace: [ 66.679593][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 66.680468][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 66.681340][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 66.682335][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 66.683282][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 66.684192][ T4640] ext4_dirty_inode+0xd4/0x110 [ 66.684951][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 66.685844][ T4640] iput+0x1bc/0x770 [ 66.686531][ T4640] dentry_unlink_inode+0x360/0x438 [ 66.687392][ T4640] __dentry_kill+0x318/0x590 [ 66.688188][ T4640] shrink_dentry_list+0x404/0x7d0 [ 66.689028][ T4640] shrink_dcache_parent+0xb0/0x364 [ 66.689918][ T4640] do_one_tree+0x2c/0xf4 [ 66.690612][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 66.691484][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 66.692393][ T4640] kill_block_super+0x78/0xe0 [ 66.693224][ T4640] deactivate_locked_super+0xc0/0x13c [ 66.694187][ T4640] deactivate_super+0xf0/0x110 [ 66.695009][ T4640] cleanup_mnt+0x3bc/0x470 [ 66.695803][ T4640] __cleanup_mnt+0x20/0x30 [ 66.696556][ T4640] task_work_run+0x13c/0x1e8 [ 66.697353][ T4640] do_notify_resume+0x2488/0x30a8 [ 66.698264][ T4640] el0_svc+0xf0/0x1d0 [ 66.698988][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 66.699880][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 66.700697][ T4640] irq event stamp: 149644 [ 66.701473][ T4640] hardirqs last enabled at (149643): [] __up_console_sem+0xb4/0xfc [ 66.703152][ T4640] hardirqs last disabled at (149644): [] el1_dbg+0x24/0x80 [ 66.704690][ T4640] softirqs last enabled at (149286): [] local_bh_enable+0x10/0x34 [ 66.706355][ T4640] softirqs last disabled at (149284): [] local_bh_disable+0x10/0x34 [ 66.707988][ T4640] ---[ end trace 38e729154f41e0d3 ]--- [ 66.768594][ T4739] loop0: detected capacity change from 0 to 1024 [ 66.786667][ T4739] 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. [ 66.801983][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 66.803833][ T4640] ------------[ cut here ]------------ [ 66.804645][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 66.806326][ T4640] Modules linked in: [ 66.807059][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 66.808520][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 66.810118][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.811373][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 66.812368][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 66.813328][ T4640] sp : ffff80001f8b6f80 [ 66.813984][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e25402a0 x27: ffff80001f8b74d8 [ 66.815403][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000cd827020 [ 66.816752][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000cecfe068 [ 66.818095][ T4640] x20: ffff0000cd827020 x19: ffff0000cecfe000 x18: 0000000000000001 [ 66.819699][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 66.821145][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 66.822435][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 66.823740][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 66.825129][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 66.826522][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 66.827899][ T4640] Call trace: [ 66.828454][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 66.829349][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 66.830204][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 66.831202][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 66.832188][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 66.833079][ T4640] ext4_dirty_inode+0xd4/0x110 [ 66.833906][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 66.834745][ T4640] iput+0x1bc/0x770 [ 66.835384][ T4640] dentry_unlink_inode+0x360/0x438 [ 66.836238][ T4640] __dentry_kill+0x318/0x590 [ 66.837013][ T4640] shrink_dentry_list+0x404/0x7d0 [ 66.837883][ T4640] shrink_dcache_parent+0xb0/0x364 [ 66.838707][ T4640] do_one_tree+0x2c/0xf4 [ 66.839412][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 66.840331][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 66.841225][ T4640] kill_block_super+0x78/0xe0 [ 66.841980][ T4640] deactivate_locked_super+0xc0/0x13c [ 66.842879][ T4640] deactivate_super+0xf0/0x110 [ 66.843646][ T4640] cleanup_mnt+0x3bc/0x470 [ 66.844395][ T4640] __cleanup_mnt+0x20/0x30 [ 66.845160][ T4640] task_work_run+0x13c/0x1e8 [ 66.845959][ T4640] do_notify_resume+0x2488/0x30a8 [ 66.846835][ T4640] el0_svc+0xf0/0x1d0 [ 66.847510][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 66.848347][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 66.849110][ T4640] irq event stamp: 154844 [ 66.849874][ T4640] hardirqs last enabled at (154843): [] __up_console_sem+0xb4/0xfc [ 66.851449][ T4640] hardirqs last disabled at (154844): [] el1_dbg+0x24/0x80 [ 66.852935][ T4640] softirqs last enabled at (154508): [] local_bh_enable+0x10/0x34 [ 66.854504][ T4640] softirqs last disabled at (154506): [] local_bh_disable+0x10/0x34 [ 66.856161][ T4640] ---[ end trace 38e729154f41e0d4 ]--- [ 66.888170][ T4743] loop0: detected capacity change from 0 to 1024 [ 66.897994][ T4743] 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. [ 66.909878][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 66.911907][ T4640] ------------[ cut here ]------------ [ 66.912754][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 66.914489][ T4640] Modules linked in: [ 66.915163][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 66.916714][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 66.918390][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.919737][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 66.920701][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 66.921703][ T4640] sp : ffff80001f8b6f80 [ 66.922390][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2541690 x27: ffff80001f8b74d8 [ 66.923774][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d6137020 [ 66.925148][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000dc5b8068 [ 66.926542][ T4640] x20: ffff0000d6137020 x19: ffff0000dc5b8000 x18: 0000000000000001 [ 66.927907][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 66.929258][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 66.930590][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 66.931891][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 66.933152][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 66.934439][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 66.935725][ T4640] Call trace: [ 66.936227][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 66.937127][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 66.937986][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 66.938940][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 66.939864][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 66.940801][ T4640] ext4_dirty_inode+0xd4/0x110 [ 66.941594][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 66.942462][ T4640] iput+0x1bc/0x770 [ 66.943121][ T4640] dentry_unlink_inode+0x360/0x438 [ 66.943999][ T4640] __dentry_kill+0x318/0x590 [ 66.944810][ T4640] shrink_dentry_list+0x404/0x7d0 [ 66.945634][ T4640] shrink_dcache_parent+0xb0/0x364 [ 66.946506][ T4640] do_one_tree+0x2c/0xf4 [ 66.947254][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 66.948148][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 66.949039][ T4640] kill_block_super+0x78/0xe0 [ 66.949853][ T4640] deactivate_locked_super+0xc0/0x13c [ 66.950687][ T4640] deactivate_super+0xf0/0x110 [ 66.951472][ T4640] cleanup_mnt+0x3bc/0x470 [ 66.952214][ T4640] __cleanup_mnt+0x20/0x30 [ 66.952971][ T4640] task_work_run+0x13c/0x1e8 [ 66.953745][ T4640] do_notify_resume+0x2488/0x30a8 [ 66.954658][ T4640] el0_svc+0xf0/0x1d0 [ 66.955323][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 66.956186][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 66.956915][ T4640] irq event stamp: 160214 [ 66.957667][ T4640] hardirqs last enabled at (160213): [] __up_console_sem+0xb4/0xfc [ 66.959283][ T4640] hardirqs last disabled at (160214): [] el1_dbg+0x24/0x80 [ 66.960739][ T4640] softirqs last enabled at (159866): [] local_bh_enable+0x10/0x34 [ 66.962340][ T4640] softirqs last disabled at (159864): [] local_bh_disable+0x10/0x34 [ 66.964012][ T4640] ---[ end trace 38e729154f41e0d5 ]--- [ 67.016663][ T4747] loop0: detected capacity change from 0 to 1024 [ 67.030160][ T4747] 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. [ 67.040303][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.042295][ T4640] ------------[ cut here ]------------ [ 67.043190][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.044802][ T4640] Modules linked in: [ 67.045481][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.046916][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 67.048633][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.050018][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.051007][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.052016][ T4640] sp : ffff80001f8b6f80 [ 67.052754][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e27fd260 x27: ffff80001f8b74d8 [ 67.054126][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000ce7fe020 [ 67.055531][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000daafa068 [ 67.056942][ T4640] x20: ffff0000ce7fe020 x19: ffff0000daafa000 x18: 0000000000000001 [ 67.058360][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 67.059834][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 67.061293][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 67.062666][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.064031][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 67.065352][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.066773][ T4640] Call trace: [ 67.067311][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.068217][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 67.069176][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 67.070354][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 67.071342][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 67.072212][ T4640] ext4_dirty_inode+0xd4/0x110 [ 67.073004][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 67.073829][ T4640] iput+0x1bc/0x770 [ 67.074438][ T4640] dentry_unlink_inode+0x360/0x438 [ 67.075278][ T4640] __dentry_kill+0x318/0x590 [ 67.076048][ T4640] shrink_dentry_list+0x404/0x7d0 [ 67.076918][ T4640] shrink_dcache_parent+0xb0/0x364 [ 67.077744][ T4640] do_one_tree+0x2c/0xf4 [ 67.078454][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 67.079359][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 67.080227][ T4640] kill_block_super+0x78/0xe0 [ 67.081054][ T4640] deactivate_locked_super+0xc0/0x13c [ 67.082118][ T4640] deactivate_super+0xf0/0x110 [ 67.082950][ T4640] cleanup_mnt+0x3bc/0x470 [ 67.083651][ T4640] __cleanup_mnt+0x20/0x30 [ 67.084367][ T4640] task_work_run+0x13c/0x1e8 [ 67.085172][ T4640] do_notify_resume+0x2488/0x30a8 [ 67.086091][ T4640] el0_svc+0xf0/0x1d0 [ 67.086778][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 67.087628][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 67.088463][ T4640] irq event stamp: 165398 [ 67.089168][ T4640] hardirqs last enabled at (165397): [] __schedule+0xf20/0x1c6c [ 67.090727][ T4640] hardirqs last disabled at (165398): [] el1_dbg+0x24/0x80 [ 67.092222][ T4640] softirqs last enabled at (165064): [] local_bh_enable+0x10/0x34 [ 67.093914][ T4640] softirqs last disabled at (165062): [] local_bh_disable+0x10/0x34 [ 67.095623][ T4640] ---[ end trace 38e729154f41e0d6 ]--- [ 67.150087][ T4751] loop0: detected capacity change from 0 to 1024 [ 67.226502][ T4751] 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. [ 67.238291][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.240375][ T4640] ------------[ cut here ]------------ [ 67.241360][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.243007][ T4640] Modules linked in: [ 67.243691][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.245364][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 67.247092][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.248486][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.249512][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.250573][ T4640] sp : ffff80001f8b6f80 [ 67.251226][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2543e70 x27: ffff80001f8b74d8 [ 67.252692][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d6829820 [ 67.254164][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d8252068 [ 67.255629][ T4640] x20: ffff0000d6829820 x19: ffff0000d8252000 x18: 0000000000000001 [ 67.257021][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 67.258469][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 67.259816][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 67.261180][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.262519][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 67.263923][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.265276][ T4640] Call trace: [ 67.265826][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.266725][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 67.267604][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 67.268513][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 67.269494][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 67.270427][ T4640] ext4_dirty_inode+0xd4/0x110 [ 67.271234][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 67.272093][ T4640] iput+0x1bc/0x770 [ 67.272776][ T4640] dentry_unlink_inode+0x360/0x438 [ 67.273640][ T4640] __dentry_kill+0x318/0x590 [ 67.274427][ T4640] shrink_dentry_list+0x404/0x7d0 [ 67.275269][ T4640] shrink_dcache_parent+0xb0/0x364 [ 67.276154][ T4640] do_one_tree+0x2c/0xf4 [ 67.276845][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 67.277772][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 67.278667][ T4640] kill_block_super+0x78/0xe0 [ 67.279479][ T4640] deactivate_locked_super+0xc0/0x13c [ 67.280330][ T4640] deactivate_super+0xf0/0x110 [ 67.281128][ T4640] cleanup_mnt+0x3bc/0x470 [ 67.281902][ T4640] __cleanup_mnt+0x20/0x30 [ 67.282607][ T4640] task_work_run+0x13c/0x1e8 [ 67.283368][ T4640] do_notify_resume+0x2488/0x30a8 [ 67.284229][ T4640] el0_svc+0xf0/0x1d0 [ 67.284903][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 67.285786][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 67.286567][ T4640] irq event stamp: 171020 [ 67.287297][ T4640] hardirqs last enabled at (171019): [] __up_console_sem+0xb4/0xfc [ 67.288808][ T4640] hardirqs last disabled at (171020): [] el1_dbg+0x24/0x80 [ 67.290425][ T4640] softirqs last enabled at (170672): [] local_bh_enable+0x10/0x34 [ 67.292019][ T4640] softirqs last disabled at (170670): [] local_bh_disable+0x10/0x34 [ 67.293596][ T4640] ---[ end trace 38e729154f41e0d7 ]--- [ 67.357511][ T4755] 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. [ 67.366682][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.368633][ T4640] ------------[ cut here ]------------ [ 67.369647][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.371274][ T4640] Modules linked in: [ 67.371928][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.373413][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 67.374880][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.376246][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.377308][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.378350][ T4640] sp : ffff80001f8b6f80 [ 67.379115][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2546650 x27: ffff80001f8b74d8 [ 67.380552][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000c8ad7020 [ 67.382149][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d86fc068 [ 67.383712][ T4640] x20: ffff0000c8ad7020 x19: ffff0000d86fc000 x18: 0000000000000001 [ 67.385181][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 67.386831][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 67.388501][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 67.389956][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.391396][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 67.392905][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.394439][ T4640] Call trace: [ 67.395017][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.395965][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 67.396950][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 67.398028][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 67.399072][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 67.399962][ T4640] ext4_dirty_inode+0xd4/0x110 [ 67.400775][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 67.401592][ T4640] iput+0x1bc/0x770 [ 67.402295][ T4640] dentry_unlink_inode+0x360/0x438 [ 67.403295][ T4640] __dentry_kill+0x318/0x590 [ 67.404113][ T4640] shrink_dentry_list+0x404/0x7d0 [ 67.405045][ T4640] shrink_dcache_parent+0xb0/0x364 [ 67.405987][ T4640] do_one_tree+0x2c/0xf4 [ 67.406765][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 67.407681][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 67.408719][ T4640] kill_block_super+0x78/0xe0 [ 67.409603][ T4640] deactivate_locked_super+0xc0/0x13c [ 67.410485][ T4640] deactivate_super+0xf0/0x110 [ 67.411435][ T4640] cleanup_mnt+0x3bc/0x470 [ 67.412315][ T4640] __cleanup_mnt+0x20/0x30 [ 67.413080][ T4640] task_work_run+0x13c/0x1e8 [ 67.413897][ T4640] do_notify_resume+0x2488/0x30a8 [ 67.414941][ T4640] el0_svc+0xf0/0x1d0 [ 67.415781][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 67.416810][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 67.417701][ T4640] irq event stamp: 176464 [ 67.418561][ T4640] hardirqs last enabled at (176463): [] __up_console_sem+0xb4/0xfc [ 67.420297][ T4640] hardirqs last disabled at (176464): [] el1_dbg+0x24/0x80 [ 67.421826][ T4640] softirqs last enabled at (176138): [] local_bh_enable+0x10/0x34 [ 67.423422][ T4640] softirqs last disabled at (176136): [] local_bh_disable+0x10/0x34 [ 67.425076][ T4640] ---[ end trace 38e729154f41e0d8 ]--- [ 67.576281][ T4759] 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. [ 67.587850][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.589953][ T4640] ------------[ cut here ]------------ [ 67.590864][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.592571][ T4640] Modules linked in: [ 67.593237][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.594623][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 67.596278][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.597633][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.598517][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.599464][ T4640] sp : ffff80001f8b6f80 [ 67.600167][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e27fe650 x27: ffff80001f8b74d8 [ 67.601484][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000dd379820 [ 67.602839][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ce816068 [ 67.604246][ T4640] x20: ffff0000dd379820 x19: ffff0000ce816000 x18: 0000000000000001 [ 67.605596][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 67.606926][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 67.608215][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 67.609502][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.610860][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 67.612270][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.613627][ T4640] Call trace: [ 67.614193][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.615203][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 67.616143][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 67.617166][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 67.618149][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 67.619236][ T4640] ext4_dirty_inode+0xd4/0x110 [ 67.620164][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 67.621066][ T4640] iput+0x1bc/0x770 [ 67.621721][ T4640] dentry_unlink_inode+0x360/0x438 [ 67.622484][ T4640] __dentry_kill+0x318/0x590 [ 67.623208][ T4640] shrink_dentry_list+0x404/0x7d0 [ 67.624041][ T4640] shrink_dcache_parent+0xb0/0x364 [ 67.624930][ T4640] do_one_tree+0x2c/0xf4 [ 67.625720][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 67.626657][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 67.627643][ T4640] kill_block_super+0x78/0xe0 [ 67.628501][ T4640] deactivate_locked_super+0xc0/0x13c [ 67.629453][ T4640] deactivate_super+0xf0/0x110 [ 67.630306][ T4640] cleanup_mnt+0x3bc/0x470 [ 67.631047][ T4640] __cleanup_mnt+0x20/0x30 [ 67.631905][ T4640] task_work_run+0x13c/0x1e8 [ 67.632672][ T4640] do_notify_resume+0x2488/0x30a8 [ 67.633467][ T4640] el0_svc+0xf0/0x1d0 [ 67.634111][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 67.634932][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 67.635696][ T4640] irq event stamp: 181746 [ 67.636425][ T4640] hardirqs last enabled at (181745): [] __up_console_sem+0xb4/0xfc [ 67.638079][ T4640] hardirqs last disabled at (181746): [] el1_dbg+0x24/0x80 [ 67.639537][ T4640] softirqs last enabled at (181410): [] local_bh_enable+0x10/0x34 [ 67.641090][ T4640] softirqs last disabled at (181408): [] local_bh_disable+0x10/0x34 [ 67.642683][ T4640] ---[ end trace 38e729154f41e0d9 ]--- [ 67.717008][ T1612] device hsr_slave_0 left promiscuous mode [ 67.736629][ T1612] device hsr_slave_1 left promiscuous mode [ 67.767379][ T4763] 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. [ 67.777058][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.779257][ T4640] ------------[ cut here ]------------ [ 67.780172][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.781800][ T4640] Modules linked in: [ 67.782419][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.783873][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 67.785474][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.786748][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.787688][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.788627][ T4640] sp : ffff80001f8b6f80 [ 67.789335][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e254aa80 x27: ffff80001f8b74d8 [ 67.790785][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000cd0e1820 [ 67.792287][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ed556068 [ 67.793728][ T4640] x20: ffff0000cd0e1820 x19: ffff0000ed556000 x18: 1fffe000341d0996 [ 67.795086][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 67.796411][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 67.797738][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 67.799068][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.800406][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 67.801755][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.803164][ T4640] Call trace: [ 67.803700][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.804649][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 67.805526][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 67.806464][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 67.807365][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 67.808279][ T4640] ext4_dirty_inode+0xd4/0x110 [ 67.809135][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 67.810008][ T4640] iput+0x1bc/0x770 [ 67.810691][ T4640] dentry_unlink_inode+0x360/0x438 [ 67.811550][ T4640] __dentry_kill+0x318/0x590 [ 67.812353][ T4640] shrink_dentry_list+0x404/0x7d0 [ 67.813135][ T4640] shrink_dcache_parent+0xb0/0x364 [ 67.813985][ T4640] do_one_tree+0x2c/0xf4 [ 67.814736][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 67.815691][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 67.816575][ T4640] kill_block_super+0x78/0xe0 [ 67.817339][ T4640] deactivate_locked_super+0xc0/0x13c [ 67.818258][ T4640] deactivate_super+0xf0/0x110 [ 67.819046][ T4640] cleanup_mnt+0x3bc/0x470 [ 67.819825][ T4640] __cleanup_mnt+0x20/0x30 [ 67.820560][ T4640] task_work_run+0x13c/0x1e8 [ 67.821347][ T4640] do_notify_resume+0x2488/0x30a8 [ 67.822201][ T4640] el0_svc+0xf0/0x1d0 [ 67.822921][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 67.823841][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 67.824650][ T4640] irq event stamp: 187332 [ 67.825410][ T4640] hardirqs last enabled at (187331): [] finish_lock_switch+0xb0/0x1c8 [ 67.827081][ T4640] hardirqs last disabled at (187332): [] el1_dbg+0x24/0x80 [ 67.828534][ T4640] softirqs last enabled at (186986): [] local_bh_enable+0x10/0x34 [ 67.830097][ T4640] softirqs last disabled at (186984): [] local_bh_disable+0x10/0x34 [ 67.831689][ T4640] ---[ end trace 38e729154f41e0da ]--- [ 67.845396][ T1612] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 67.846721][ T1612] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 67.848309][ T1612] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 67.849637][ T1612] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 67.851030][ T1612] device bridge_slave_1 left promiscuous mode [ 67.852121][ T1612] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.885576][ T1612] device bridge_slave_0 left promiscuous mode [ 67.886800][ T1612] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.890931][ T4767] 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. [ 67.906795][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.908872][ T4640] ------------[ cut here ]------------ [ 67.909707][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.911230][ T4640] Modules linked in: [ 67.911878][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.913206][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 67.914734][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.916126][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.917129][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.918178][ T4640] sp : ffff80001f8b6f80 [ 67.918875][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e24a6650 x27: ffff80001f8b74d8 [ 67.920295][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000dc0da820 [ 67.921657][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000de2b6068 [ 67.923080][ T4640] x20: ffff0000dc0da820 x19: ffff0000de2b6000 x18: 0000000000000001 [ 67.924505][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 67.925986][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 67.927500][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 67.928913][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.930308][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 67.931783][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.933312][ T4640] Call trace: [ 67.933918][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.934991][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 67.935923][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 67.936928][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 67.937924][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 67.938869][ T4640] ext4_dirty_inode+0xd4/0x110 [ 67.939687][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 67.940510][ T4640] iput+0x1bc/0x770 [ 67.941150][ T4640] dentry_unlink_inode+0x360/0x438 [ 67.942031][ T4640] __dentry_kill+0x318/0x590 [ 67.942815][ T4640] shrink_dentry_list+0x404/0x7d0 [ 67.943693][ T4640] shrink_dcache_parent+0xb0/0x364 [ 67.944553][ T4640] do_one_tree+0x2c/0xf4 [ 67.945288][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 67.946217][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 67.947136][ T4640] kill_block_super+0x78/0xe0 [ 67.947925][ T4640] deactivate_locked_super+0xc0/0x13c [ 67.948830][ T4640] deactivate_super+0xf0/0x110 [ 67.949637][ T4640] cleanup_mnt+0x3bc/0x470 [ 67.950383][ T4640] __cleanup_mnt+0x20/0x30 [ 67.951098][ T4640] task_work_run+0x13c/0x1e8 [ 67.951873][ T4640] do_notify_resume+0x2488/0x30a8 [ 67.952778][ T4640] el0_svc+0xf0/0x1d0 [ 67.953445][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 67.954281][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 67.955098][ T4640] irq event stamp: 192780 [ 67.955887][ T4640] hardirqs last enabled at (192779): [] __up_console_sem+0xb4/0xfc [ 67.957535][ T4640] hardirqs last disabled at (192780): [] el1_dbg+0x24/0x80 [ 67.959043][ T4640] softirqs last enabled at (192450): [] local_bh_enable+0x10/0x34 [ 67.960734][ T4640] softirqs last disabled at (192448): [] local_bh_disable+0x10/0x34 [ 67.962265][ T4640] ---[ end trace 38e729154f41e0db ]--- [ 67.963602][ T4170] Bluetooth: hci0: command 0x0419 tx timeout [ 68.065119][ T1612] device veth1_macvtap left promiscuous mode [ 68.066118][ T1612] device veth0_macvtap left promiscuous mode [ 68.067196][ T1612] device veth1_vlan left promiscuous mode [ 68.068112][ T1612] device veth0_vlan left promiscuous mode [ 68.082380][ T4771] 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. [ 68.098552][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.100911][ T4640] ------------[ cut here ]------------ [ 68.101843][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.103526][ T4640] Modules linked in: [ 68.104256][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.105965][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 68.107923][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.109230][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.110155][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.111123][ T4640] sp : ffff80001f8b6f80 [ 68.111832][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e26f7048 x27: ffff80001f8b74d8 [ 68.113482][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000dc7f2020 [ 68.114933][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ecc74068 [ 68.116387][ T4640] x20: ffff0000dc7f2020 x19: ffff0000ecc74000 x18: 1fffe000341cc796 [ 68.117749][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 68.119163][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 68.120471][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 68.121758][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 68.123064][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 68.124434][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.125773][ T4640] Call trace: [ 68.126314][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.127252][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 68.128177][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 68.129143][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 68.130057][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 68.130988][ T4640] ext4_dirty_inode+0xd4/0x110 [ 68.131850][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 68.132720][ T4640] iput+0x1bc/0x770 [ 68.133330][ T4640] dentry_unlink_inode+0x360/0x438 [ 68.134211][ T4640] __dentry_kill+0x318/0x590 [ 68.134887][ T4640] shrink_dentry_list+0x404/0x7d0 [ 68.135833][ T4640] shrink_dcache_parent+0xb0/0x364 [ 68.136708][ T4640] do_one_tree+0x2c/0xf4 [ 68.137526][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 68.138559][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 68.139434][ T4640] kill_block_super+0x78/0xe0 [ 68.140359][ T4640] deactivate_locked_super+0xc0/0x13c [ 68.141439][ T4640] deactivate_super+0xf0/0x110 [ 68.142264][ T4640] cleanup_mnt+0x3bc/0x470 [ 68.143025][ T4640] __cleanup_mnt+0x20/0x30 [ 68.143887][ T4640] task_work_run+0x13c/0x1e8 [ 68.144684][ T4640] do_notify_resume+0x2488/0x30a8 [ 68.145738][ T4640] el0_svc+0xf0/0x1d0 [ 68.146538][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 68.147547][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 68.148416][ T4640] irq event stamp: 198296 [ 68.149207][ T4640] hardirqs last enabled at (198295): [] finish_lock_switch+0xb0/0x1c8 [ 68.150835][ T4640] hardirqs last disabled at (198296): [] el1_dbg+0x24/0x80 [ 68.152275][ T4640] softirqs last enabled at (197960): [] local_bh_enable+0x10/0x34 [ 68.153825][ T4640] softirqs last disabled at (197958): [] local_bh_disable+0x10/0x34 [ 68.155462][ T4640] ---[ end trace 38e729154f41e0dc ]--- [ 68.244018][ T4775] 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. [ 68.256486][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.258430][ T4640] ------------[ cut here ]------------ [ 68.259221][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.261105][ T4640] Modules linked in: [ 68.261826][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.263380][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 68.265227][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.266649][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.267621][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.268645][ T4640] sp : ffff80001f8b6f80 [ 68.269365][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc09690 x27: ffff80001f8b74d8 [ 68.270618][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d632f820 [ 68.271981][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d4834068 [ 68.273622][ T4640] x20: ffff0000d632f820 x19: ffff0000d4834000 x18: 0000000000000001 [ 68.275048][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 68.276532][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 68.277940][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 68.279280][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.280700][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 68.282041][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.283390][ T4640] Call trace: [ 68.284011][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.284912][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 68.285805][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 68.286771][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 68.287772][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 68.288601][ T4640] ext4_dirty_inode+0xd4/0x110 [ 68.289450][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 68.290394][ T4640] iput+0x1bc/0x770 [ 68.291026][ T4640] dentry_unlink_inode+0x360/0x438 [ 68.292119][ T4640] __dentry_kill+0x318/0x590 [ 68.292996][ T4640] shrink_dentry_list+0x404/0x7d0 [ 68.293890][ T4640] shrink_dcache_parent+0xb0/0x364 [ 68.294829][ T4640] do_one_tree+0x2c/0xf4 [ 68.295555][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 68.296435][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 68.297319][ T4640] kill_block_super+0x78/0xe0 [ 68.298104][ T4640] deactivate_locked_super+0xc0/0x13c [ 68.298962][ T4640] deactivate_super+0xf0/0x110 [ 68.299821][ T4640] cleanup_mnt+0x3bc/0x470 [ 68.300607][ T4640] __cleanup_mnt+0x20/0x30 [ 68.301350][ T4640] task_work_run+0x13c/0x1e8 [ 68.302133][ T4640] do_notify_resume+0x2488/0x30a8 [ 68.303039][ T4640] el0_svc+0xf0/0x1d0 [ 68.303760][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 68.304621][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 68.305419][ T4640] irq event stamp: 203586 [ 68.306201][ T4640] hardirqs last enabled at (203585): [] __up_console_sem+0xb4/0xfc [ 68.307781][ T4640] hardirqs last disabled at (203586): [] el1_dbg+0x24/0x80 [ 68.309280][ T4640] softirqs last enabled at (203248): [] local_bh_enable+0x10/0x34 [ 68.310914][ T4640] softirqs last disabled at (203246): [] local_bh_disable+0x10/0x34 [ 68.312481][ T4640] ---[ end trace 38e729154f41e0dd ]--- [ 68.314258][ T1612] team0 (unregistering): Port device team_slave_1 removed [ 68.322243][ T1612] team0 (unregistering): Port device team_slave_0 removed [ 68.327529][ T1612] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 68.363806][ T1612] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 68.386955][ T4779] 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. [ 68.400222][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.402336][ T4640] ------------[ cut here ]------------ [ 68.403285][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.404877][ T4640] Modules linked in: [ 68.405590][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.407194][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 68.409001][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.410451][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.411596][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.412741][ T4640] sp : ffff80001f8b6f80 [ 68.413576][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc0aa80 x27: ffff80001f8b74d8 [ 68.415147][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d9dda020 [ 68.416759][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c0f96068 [ 68.418260][ T4640] x20: ffff0000d9dda020 x19: ffff0000c0f96000 x18: 0000000000000001 [ 68.419640][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 68.420968][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 68.422368][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 68.423687][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.425049][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 68.426399][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.427763][ T4640] Call trace: [ 68.428373][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.429304][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 68.430190][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 68.431136][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 68.432130][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 68.433037][ T4640] ext4_dirty_inode+0xd4/0x110 [ 68.433833][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 68.434688][ T4640] iput+0x1bc/0x770 [ 68.435341][ T4640] dentry_unlink_inode+0x360/0x438 [ 68.436209][ T4640] __dentry_kill+0x318/0x590 [ 68.437006][ T4640] shrink_dentry_list+0x404/0x7d0 [ 68.437888][ T4640] shrink_dcache_parent+0xb0/0x364 [ 68.438768][ T4640] do_one_tree+0x2c/0xf4 [ 68.439441][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 68.440368][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 68.441210][ T4640] kill_block_super+0x78/0xe0 [ 68.441992][ T4640] deactivate_locked_super+0xc0/0x13c [ 68.442856][ T4640] deactivate_super+0xf0/0x110 [ 68.443689][ T4640] cleanup_mnt+0x3bc/0x470 [ 68.444457][ T4640] __cleanup_mnt+0x20/0x30 [ 68.445217][ T4640] task_work_run+0x13c/0x1e8 [ 68.446043][ T4640] do_notify_resume+0x2488/0x30a8 [ 68.446925][ T4640] el0_svc+0xf0/0x1d0 [ 68.447586][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 68.448438][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 68.449218][ T4640] irq event stamp: 208650 [ 68.449943][ T4640] hardirqs last enabled at (208649): [] __up_console_sem+0xb4/0xfc [ 68.451556][ T4640] hardirqs last disabled at (208650): [] el1_dbg+0x24/0x80 [ 68.453072][ T4640] softirqs last enabled at (208302): [] local_bh_enable+0x10/0x34 [ 68.454694][ T4640] softirqs last disabled at (208300): [] local_bh_disable+0x10/0x34 [ 68.456359][ T4640] ---[ end trace 38e729154f41e0de ]--- [ 68.526555][ T1612] bond0 (unregistering): Released all slaves [ 68.546757][ T4783] 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. [ 68.560294][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.562385][ T4640] ------------[ cut here ]------------ [ 68.563247][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.564886][ T4640] Modules linked in: [ 68.565571][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.567106][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 68.568780][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.570089][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.571180][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.572170][ T4640] sp : ffff80001f8b6f80 [ 68.572892][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc0d260 x27: ffff80001f8b74d8 [ 68.574398][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d3202020 [ 68.575877][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000da4c0068 [ 68.577329][ T4640] x20: ffff0000d3202020 x19: ffff0000da4c0000 x18: 0000000000000001 [ 68.578718][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 68.580041][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 68.581331][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 68.582659][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.584036][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 68.585317][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.586713][ T4640] Call trace: [ 68.587202][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.588148][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 68.589092][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 68.590148][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 68.591209][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 68.592172][ T4640] ext4_dirty_inode+0xd4/0x110 [ 68.593034][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 68.593950][ T4640] iput+0x1bc/0x770 [ 68.594655][ T4640] dentry_unlink_inode+0x360/0x438 [ 68.595490][ T4640] __dentry_kill+0x318/0x590 [ 68.596262][ T4640] shrink_dentry_list+0x404/0x7d0 [ 68.597103][ T4640] shrink_dcache_parent+0xb0/0x364 [ 68.597953][ T4640] do_one_tree+0x2c/0xf4 [ 68.598712][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 68.599667][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 68.600569][ T4640] kill_block_super+0x78/0xe0 [ 68.601365][ T4640] deactivate_locked_super+0xc0/0x13c [ 68.602292][ T4640] deactivate_super+0xf0/0x110 [ 68.603075][ T4640] cleanup_mnt+0x3bc/0x470 [ 68.603785][ T4640] __cleanup_mnt+0x20/0x30 [ 68.604487][ T4640] task_work_run+0x13c/0x1e8 [ 68.605250][ T4640] do_notify_resume+0x2488/0x30a8 [ 68.606096][ T4640] el0_svc+0xf0/0x1d0 [ 68.606744][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 68.607554][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 68.608281][ T4640] irq event stamp: 213806 [ 68.608966][ T4640] hardirqs last enabled at (213805): [] __up_console_sem+0xb4/0xfc [ 68.610534][ T4640] hardirqs last disabled at (213806): [] el1_dbg+0x24/0x80 [ 68.611988][ T4640] softirqs last enabled at (213480): [] local_bh_enable+0x10/0x34 [ 68.613589][ T4640] softirqs last disabled at (213478): [] local_bh_disable+0x10/0x34 [ 68.615177][ T4640] ---[ end trace 38e729154f41e0df ]--- [ 68.677196][ T4788] 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. [ 68.692596][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.694609][ T4640] ------------[ cut here ]------------ [ 68.695540][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.697186][ T4640] Modules linked in: [ 68.697871][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.699290][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 68.700962][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.702330][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.703308][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.704284][ T4640] sp : ffff80001f8b6f80 [ 68.704996][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc80c98 x27: ffff80001f8b74d8 [ 68.706653][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000ce7fd020 [ 68.708131][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000cf93c068 [ 68.709590][ T4640] x20: ffff0000ce7fd020 x19: ffff0000cf93c000 x18: 0000000000000001 [ 68.710920][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 68.712455][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 68.714018][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 68.715511][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.717153][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 68.718712][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.720045][ T4640] Call trace: [ 68.720545][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.721463][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 68.722323][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 68.723292][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 68.724168][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 68.725080][ T4640] ext4_dirty_inode+0xd4/0x110 [ 68.725887][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 68.726776][ T4640] iput+0x1bc/0x770 [ 68.727436][ T4640] dentry_unlink_inode+0x360/0x438 [ 68.728336][ T4640] __dentry_kill+0x318/0x590 [ 68.729086][ T4640] shrink_dentry_list+0x404/0x7d0 [ 68.729951][ T4640] shrink_dcache_parent+0xb0/0x364 [ 68.730763][ T4640] do_one_tree+0x2c/0xf4 [ 68.731476][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 68.732441][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 68.733332][ T4640] kill_block_super+0x78/0xe0 [ 68.734072][ T4640] deactivate_locked_super+0xc0/0x13c [ 68.734963][ T4640] deactivate_super+0xf0/0x110 [ 68.735746][ T4640] cleanup_mnt+0x3bc/0x470 [ 68.736468][ T4640] __cleanup_mnt+0x20/0x30 [ 68.737168][ T4640] task_work_run+0x13c/0x1e8 [ 68.737923][ T4640] do_notify_resume+0x2488/0x30a8 [ 68.738797][ T4640] el0_svc+0xf0/0x1d0 [ 68.739488][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 68.740311][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 68.741140][ T4640] irq event stamp: 219054 [ 68.741875][ T4640] hardirqs last enabled at (219053): [] __up_console_sem+0xb4/0xfc [ 68.743520][ T4640] hardirqs last disabled at (219054): [] el1_dbg+0x24/0x80 [ 68.744944][ T4640] softirqs last enabled at (218690): [] local_bh_enable+0x10/0x34 [ 68.746558][ T4640] softirqs last disabled at (218688): [] local_bh_disable+0x10/0x34 [ 68.748164][ T4640] ---[ end trace 38e729154f41e0e0 ]--- [ 68.856819][ T4792] 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. [ 68.865730][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.867763][ T4640] ------------[ cut here ]------------ [ 68.868681][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.870447][ T4640] Modules linked in: [ 68.871133][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.872690][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 68.874489][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.875897][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.876886][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.877865][ T4640] sp : ffff80001f8b6f80 [ 68.878589][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc83478 x27: ffff80001f8b74d8 [ 68.879970][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d8e33020 [ 68.881275][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c15f8068 [ 68.882751][ T4640] x20: ffff0000d8e33020 x19: ffff0000c15f8000 x18: 0000000000000001 [ 68.884186][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 68.885588][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 68.886984][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 68.888593][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.890032][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 68.891539][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.893150][ T4640] Call trace: [ 68.893789][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.894845][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 68.895877][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 68.896970][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 68.897917][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 68.898873][ T4640] ext4_dirty_inode+0xd4/0x110 [ 68.899722][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 68.900597][ T4640] iput+0x1bc/0x770 [ 68.901253][ T4640] dentry_unlink_inode+0x360/0x438 [ 68.902097][ T4640] __dentry_kill+0x318/0x590 [ 68.902894][ T4640] shrink_dentry_list+0x404/0x7d0 [ 68.903745][ T4640] shrink_dcache_parent+0xb0/0x364 [ 68.904572][ T4640] do_one_tree+0x2c/0xf4 [ 68.905237][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 68.906161][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 68.907084][ T4640] kill_block_super+0x78/0xe0 [ 68.907940][ T4640] deactivate_locked_super+0xc0/0x13c [ 68.908832][ T4640] deactivate_super+0xf0/0x110 [ 68.909659][ T4640] cleanup_mnt+0x3bc/0x470 [ 68.910398][ T4640] __cleanup_mnt+0x20/0x30 [ 68.911143][ T4640] task_work_run+0x13c/0x1e8 [ 68.911921][ T4640] do_notify_resume+0x2488/0x30a8 [ 68.912766][ T4640] el0_svc+0xf0/0x1d0 [ 68.913447][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 68.914310][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 68.915081][ T4640] irq event stamp: 224238 [ 68.915829][ T4640] hardirqs last enabled at (224237): [] __up_console_sem+0xb4/0xfc [ 68.917478][ T4640] hardirqs last disabled at (224238): [] el1_dbg+0x24/0x80 [ 68.918881][ T4640] softirqs last enabled at (223932): [] handle_softirqs+0xa70/0xc14 [ 68.920540][ T4640] softirqs last disabled at (223913): [] __irq_exit_rcu+0x240/0x434 [ 68.922113][ T4640] ---[ end trace 38e729154f41e0e1 ]--- [ 69.016898][ T4796] 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. [ 69.028715][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.030674][ T4640] ------------[ cut here ]------------ [ 69.031535][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.033342][ T4640] Modules linked in: [ 69.034039][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.035724][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 69.037621][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.039018][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.040010][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.041032][ T4640] sp : ffff80001f8b6f80 [ 69.041781][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc0e650 x27: ffff80001f8b74d8 [ 69.043191][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d8ac3020 [ 69.044604][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d746a068 [ 69.046001][ T4640] x20: ffff0000d8ac3020 x19: ffff0000d746a000 x18: 0000000000000001 [ 69.047422][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 69.048894][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 69.050252][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 69.051597][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.053106][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 69.054526][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.056010][ T4640] Call trace: [ 69.056537][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.057458][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 69.058304][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 69.059298][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 69.060277][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 69.061230][ T4640] ext4_dirty_inode+0xd4/0x110 [ 69.062077][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 69.062963][ T4640] iput+0x1bc/0x770 [ 69.063608][ T4640] dentry_unlink_inode+0x360/0x438 [ 69.064502][ T4640] __dentry_kill+0x318/0x590 [ 69.065298][ T4640] shrink_dentry_list+0x404/0x7d0 [ 69.066208][ T4640] shrink_dcache_parent+0xb0/0x364 [ 69.067089][ T4640] do_one_tree+0x2c/0xf4 [ 69.067772][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 69.068679][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 69.069635][ T4640] kill_block_super+0x78/0xe0 [ 69.070478][ T4640] deactivate_locked_super+0xc0/0x13c [ 69.071451][ T4640] deactivate_super+0xf0/0x110 [ 69.072253][ T4640] cleanup_mnt+0x3bc/0x470 [ 69.072998][ T4640] __cleanup_mnt+0x20/0x30 [ 69.073741][ T4640] task_work_run+0x13c/0x1e8 [ 69.074538][ T4640] do_notify_resume+0x2488/0x30a8 [ 69.075416][ T4640] el0_svc+0xf0/0x1d0 [ 69.076084][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 69.076872][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 69.077606][ T4640] irq event stamp: 229954 [ 69.078344][ T4640] hardirqs last enabled at (229953): [] __up_console_sem+0xb4/0xfc [ 69.080336][ T4640] hardirqs last disabled at (229954): [] el1_dbg+0x24/0x80 [ 69.081788][ T4640] softirqs last enabled at (229620): [] local_bh_enable+0x10/0x34 [ 69.083384][ T4640] softirqs last disabled at (229618): [] local_bh_disable+0x10/0x34 [ 69.084914][ T4640] ---[ end trace 38e729154f41e0e2 ]--- [ 69.167358][ T4800] 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. [ 69.177443][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.179426][ T4640] ------------[ cut here ]------------ [ 69.180296][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.181905][ T4640] Modules linked in: [ 69.182555][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.184175][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 69.185922][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.187313][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.188273][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.189227][ T4640] sp : ffff80001f8b6f80 [ 69.189880][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc87048 x27: ffff80001f8b74d8 [ 69.191218][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d7d4b020 [ 69.192595][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ecc90068 [ 69.193891][ T4640] x20: ffff0000d7d4b020 x19: ffff0000ecc90000 x18: 0000000000000001 [ 69.195247][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 69.196757][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 69.198195][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 69.199794][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.201333][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 69.202771][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.204130][ T4640] Call trace: [ 69.204710][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.205609][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 69.206556][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 69.207607][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 69.208602][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 69.209510][ T4640] ext4_dirty_inode+0xd4/0x110 [ 69.210324][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 69.211145][ T4640] iput+0x1bc/0x770 [ 69.211806][ T4640] dentry_unlink_inode+0x360/0x438 [ 69.212691][ T4640] __dentry_kill+0x318/0x590 [ 69.213470][ T4640] shrink_dentry_list+0x404/0x7d0 [ 69.214287][ T4640] shrink_dcache_parent+0xb0/0x364 [ 69.215239][ T4640] do_one_tree+0x2c/0xf4 [ 69.215985][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 69.216955][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 69.217858][ T4640] kill_block_super+0x78/0xe0 [ 69.218650][ T4640] deactivate_locked_super+0xc0/0x13c [ 69.219746][ T4640] deactivate_super+0xf0/0x110 [ 69.220675][ T4640] cleanup_mnt+0x3bc/0x470 [ 69.221428][ T4640] __cleanup_mnt+0x20/0x30 [ 69.222176][ T4640] task_work_run+0x13c/0x1e8 [ 69.222937][ T4640] do_notify_resume+0x2488/0x30a8 [ 69.223771][ T4640] el0_svc+0xf0/0x1d0 [ 69.224395][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 69.225185][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 69.225918][ T4640] irq event stamp: 235246 [ 69.226633][ T4640] hardirqs last enabled at (235245): [] __up_console_sem+0xb4/0xfc [ 69.228284][ T4640] hardirqs last disabled at (235246): [] el1_dbg+0x24/0x80 [ 69.229945][ T4640] softirqs last enabled at (234916): [] local_bh_enable+0x10/0x34 [ 69.231522][ T4640] softirqs last disabled at (234914): [] local_bh_disable+0x10/0x34 [ 69.233097][ T4640] ---[ end trace 38e729154f41e0e3 ]--- [ 69.317400][ T4804] 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. [ 69.327794][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.329708][ T4640] ------------[ cut here ]------------ [ 69.330593][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.332300][ T4640] Modules linked in: [ 69.332987][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.334584][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 69.336206][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.337525][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.338510][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.339589][ T4640] sp : ffff80001f8b6f80 [ 69.340311][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebcc2088 x27: ffff80001f8b74d8 [ 69.341732][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d83dd020 [ 69.343398][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c2412068 [ 69.344963][ T4640] x20: ffff0000d83dd020 x19: ffff0000c2412000 x18: 0000000000000001 [ 69.346550][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 69.348226][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 69.349869][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 69.351479][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.352842][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 69.354227][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.355585][ T4640] Call trace: [ 69.356139][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.357050][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 69.358007][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 69.358962][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 69.359921][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 69.360878][ T4640] ext4_dirty_inode+0xd4/0x110 [ 69.361690][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 69.362527][ T4640] iput+0x1bc/0x770 [ 69.363319][ T4640] dentry_unlink_inode+0x360/0x438 [ 69.364269][ T4640] __dentry_kill+0x318/0x590 [ 69.365062][ T4640] shrink_dentry_list+0x404/0x7d0 [ 69.365884][ T4640] shrink_dcache_parent+0xb0/0x364 [ 69.366753][ T4640] do_one_tree+0x2c/0xf4 [ 69.367448][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 69.368349][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 69.369295][ T4640] kill_block_super+0x78/0xe0 [ 69.370060][ T4640] deactivate_locked_super+0xc0/0x13c [ 69.371000][ T4640] deactivate_super+0xf0/0x110 [ 69.371973][ T4640] cleanup_mnt+0x3bc/0x470 [ 69.372796][ T4640] __cleanup_mnt+0x20/0x30 [ 69.373665][ T4640] task_work_run+0x13c/0x1e8 [ 69.374507][ T4640] do_notify_resume+0x2488/0x30a8 [ 69.375363][ T4640] el0_svc+0xf0/0x1d0 [ 69.376051][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 69.376925][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 69.377701][ T4640] irq event stamp: 240444 [ 69.378449][ T4640] hardirqs last enabled at (240443): [] __up_console_sem+0xb4/0xfc [ 69.380080][ T4640] hardirqs last disabled at (240444): [] el1_dbg+0x24/0x80 [ 69.381561][ T4640] softirqs last enabled at (240116): [] local_bh_enable+0x10/0x34 [ 69.383101][ T4640] softirqs last disabled at (240114): [] local_bh_disable+0x10/0x34 [ 69.384914][ T4640] ---[ end trace 38e729154f41e0e4 ]--- [ 69.436160][ T4808] 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. [ 69.449797][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.451767][ T4640] ------------[ cut here ]------------ [ 69.452648][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.454328][ T4640] Modules linked in: [ 69.454957][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.456496][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 69.458242][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.459857][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.460963][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.461951][ T4640] sp : ffff80001f8b6f80 [ 69.462658][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebcc3478 x27: ffff80001f8b74d8 [ 69.463927][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000db0d5020 [ 69.465265][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ca900068 [ 69.466650][ T4640] x20: ffff0000db0d5020 x19: ffff0000ca900000 x18: 0000000000000001 [ 69.468068][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 69.469497][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 69.470896][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 69.472212][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.473662][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 69.475121][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.476449][ T4640] Call trace: [ 69.476985][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.477900][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 69.478812][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 69.479843][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 69.480802][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 69.481806][ T4640] ext4_dirty_inode+0xd4/0x110 [ 69.482622][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 69.483504][ T4640] iput+0x1bc/0x770 [ 69.484240][ T4640] dentry_unlink_inode+0x360/0x438 [ 69.485212][ T4640] __dentry_kill+0x318/0x590 [ 69.486001][ T4640] shrink_dentry_list+0x404/0x7d0 [ 69.486818][ T4640] shrink_dcache_parent+0xb0/0x364 [ 69.487668][ T4640] do_one_tree+0x2c/0xf4 [ 69.488389][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 69.489313][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 69.490205][ T4640] kill_block_super+0x78/0xe0 [ 69.491047][ T4640] deactivate_locked_super+0xc0/0x13c [ 69.492008][ T4640] deactivate_super+0xf0/0x110 [ 69.492798][ T4640] cleanup_mnt+0x3bc/0x470 [ 69.493487][ T4640] __cleanup_mnt+0x20/0x30 [ 69.494170][ T4640] task_work_run+0x13c/0x1e8 [ 69.494949][ T4640] do_notify_resume+0x2488/0x30a8 [ 69.495769][ T4640] el0_svc+0xf0/0x1d0 [ 69.496431][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 69.497285][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 69.498034][ T4640] irq event stamp: 245984 [ 69.498728][ T4640] hardirqs last enabled at (245983): [] __up_console_sem+0xb4/0xfc [ 69.500248][ T4640] hardirqs last disabled at (245984): [] el1_dbg+0x24/0x80 [ 69.501733][ T4640] softirqs last enabled at (245666): [] local_bh_enable+0x10/0x34 [ 69.503333][ T4640] softirqs last disabled at (245664): [] local_bh_disable+0x10/0x34 [ 69.504908][ T4640] ---[ end trace 38e729154f41e0e5 ]--- [ 69.567415][ T4812] 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. [ 69.577863][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.579892][ T4640] ------------[ cut here ]------------ [ 69.580751][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.582200][ T4640] Modules linked in: [ 69.582840][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.584354][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 69.586037][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.587351][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.588318][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.589293][ T4640] sp : ffff80001f8b6f80 [ 69.590036][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebcc5c58 x27: ffff80001f8b74d8 [ 69.591445][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000dc31e020 [ 69.592843][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000cb958068 [ 69.594233][ T4640] x20: ffff0000dc31e020 x19: ffff0000cb958000 x18: 0000000000000001 [ 69.595572][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 69.596972][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 69.598420][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 69.600045][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.601402][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 69.602689][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.604111][ T4640] Call trace: [ 69.604663][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.605556][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 69.606460][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 69.607401][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 69.608326][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 69.609227][ T4640] ext4_dirty_inode+0xd4/0x110 [ 69.610037][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 69.610839][ T4640] iput+0x1bc/0x770 [ 69.611460][ T4640] dentry_unlink_inode+0x360/0x438 [ 69.612283][ T4640] __dentry_kill+0x318/0x590 [ 69.613031][ T4640] shrink_dentry_list+0x404/0x7d0 [ 69.613907][ T4640] shrink_dcache_parent+0xb0/0x364 [ 69.614793][ T4640] do_one_tree+0x2c/0xf4 [ 69.615535][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 69.616485][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 69.617364][ T4640] kill_block_super+0x78/0xe0 [ 69.618125][ T4640] deactivate_locked_super+0xc0/0x13c [ 69.618991][ T4640] deactivate_super+0xf0/0x110 [ 69.619749][ T4640] cleanup_mnt+0x3bc/0x470 [ 69.620476][ T4640] __cleanup_mnt+0x20/0x30 [ 69.621212][ T4640] task_work_run+0x13c/0x1e8 [ 69.621999][ T4640] do_notify_resume+0x2488/0x30a8 [ 69.622833][ T4640] el0_svc+0xf0/0x1d0 [ 69.623467][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 69.624317][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 69.625074][ T4640] irq event stamp: 251138 [ 69.625771][ T4640] hardirqs last enabled at (251137): [] __up_console_sem+0xb4/0xfc [ 69.627377][ T4640] hardirqs last disabled at (251138): [] el1_dbg+0x24/0x80 [ 69.628769][ T4640] softirqs last enabled at (250794): [] local_bh_enable+0x10/0x34 [ 69.630244][ T4640] softirqs last disabled at (250792): [] local_bh_disable+0x10/0x34 [ 69.631808][ T4640] ---[ end trace 38e729154f41e0e6 ]--- [ 69.635057][ T1540] cfg80211: failed to load regulatory.db [ 69.637349][ T2066] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.638368][ T2066] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.826043][ T4816] 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. [ 69.836012][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.837998][ T4640] ------------[ cut here ]------------ [ 69.838979][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.840466][ T4640] Modules linked in: [ 69.841044][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.842502][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 69.844153][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.845354][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.846359][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.847392][ T4640] sp : ffff80001f8b6f80 [ 69.848135][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e244aa80 x27: ffff80001f8b74d8 [ 69.849587][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000cf41c820 [ 69.850958][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000dc050068 [ 69.852531][ T4640] x20: ffff0000cf41c820 x19: ffff0000dc050000 x18: 0000000000000001 [ 69.854011][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 69.855625][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 69.857151][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 69.858784][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.860349][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 69.861723][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.863199][ T4640] Call trace: [ 69.863805][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.864923][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 69.865977][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 69.867149][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 69.868257][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 69.869297][ T4640] ext4_dirty_inode+0xd4/0x110 [ 69.870237][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 69.871270][ T4640] iput+0x1bc/0x770 [ 69.871925][ T4640] dentry_unlink_inode+0x360/0x438 [ 69.872786][ T4640] __dentry_kill+0x318/0x590 [ 69.873729][ T4640] shrink_dentry_list+0x404/0x7d0 [ 69.874784][ T4640] shrink_dcache_parent+0xb0/0x364 [ 69.875814][ T4640] do_one_tree+0x2c/0xf4 [ 69.876684][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 69.877756][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 69.878865][ T4640] kill_block_super+0x78/0xe0 [ 69.879749][ T4640] deactivate_locked_super+0xc0/0x13c [ 69.880771][ T4640] deactivate_super+0xf0/0x110 [ 69.881662][ T4640] cleanup_mnt+0x3bc/0x470 [ 69.882547][ T4640] __cleanup_mnt+0x20/0x30 [ 69.883301][ T4640] task_work_run+0x13c/0x1e8 [ 69.884216][ T4640] do_notify_resume+0x2488/0x30a8 [ 69.885151][ T4640] el0_svc+0xf0/0x1d0 [ 69.885914][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 69.886888][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 69.887747][ T4640] irq event stamp: 256766 [ 69.888497][ T4640] hardirqs last enabled at (256765): [] __up_console_sem+0xb4/0xfc [ 69.890081][ T4640] hardirqs last disabled at (256766): [] el1_dbg+0x24/0x80 [ 69.891568][ T4640] softirqs last enabled at (256434): [] local_bh_enable+0x10/0x34 [ 69.893265][ T4640] softirqs last disabled at (256432): [] local_bh_disable+0x10/0x34 [ 69.894912][ T4640] ---[ end trace 38e729154f41e0e7 ]--- [ 70.007377][ T4820] 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. [ 70.023801][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.026746][ T4640] ------------[ cut here ]------------ [ 70.027673][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.029517][ T4640] Modules linked in: [ 70.030273][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.031755][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 70.033256][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.034469][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.035292][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.036201][ T4640] sp : ffff80001f8b6f80 [ 70.036921][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e244d260 x27: ffff80001f8b74d8 [ 70.038323][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d83db020 [ 70.039677][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ec6f6068 [ 70.041098][ T4640] x20: ffff0000d83db020 x19: ffff0000ec6f6000 x18: 1fffe000341cc796 [ 70.042688][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 70.044231][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 70.045710][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 70.047129][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 70.048561][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 70.050015][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.051429][ T4640] Call trace: [ 70.052012][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.052974][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 70.053919][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 70.054901][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 70.055887][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 70.056857][ T4640] ext4_dirty_inode+0xd4/0x110 [ 70.057698][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 70.058634][ T4640] iput+0x1bc/0x770 [ 70.059313][ T4640] dentry_unlink_inode+0x360/0x438 [ 70.060205][ T4640] __dentry_kill+0x318/0x590 [ 70.061020][ T4640] shrink_dentry_list+0x404/0x7d0 [ 70.061890][ T4640] shrink_dcache_parent+0xb0/0x364 [ 70.062702][ T4640] do_one_tree+0x2c/0xf4 [ 70.063439][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 70.064360][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 70.065244][ T4640] kill_block_super+0x78/0xe0 [ 70.065999][ T4640] deactivate_locked_super+0xc0/0x13c [ 70.066853][ T4640] deactivate_super+0xf0/0x110 [ 70.067666][ T4640] cleanup_mnt+0x3bc/0x470 [ 70.068427][ T4640] __cleanup_mnt+0x20/0x30 [ 70.069173][ T4640] task_work_run+0x13c/0x1e8 [ 70.069983][ T4640] do_notify_resume+0x2488/0x30a8 [ 70.070880][ T4640] el0_svc+0xf0/0x1d0 [ 70.071612][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 70.072416][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 70.073176][ T4640] irq event stamp: 263144 [ 70.073942][ T4640] hardirqs last enabled at (263143): [] finish_lock_switch+0xb0/0x1c8 [ 70.075599][ T4640] hardirqs last disabled at (263144): [] el1_dbg+0x24/0x80 [ 70.077040][ T4640] softirqs last enabled at (263138): [] handle_softirqs+0xa70/0xc14 [ 70.078777][ T4640] softirqs last disabled at (263117): [] __irq_exit_rcu+0x240/0x434 [ 70.080458][ T4640] ---[ end trace 38e729154f41e0e8 ]--- [ 70.197228][ T4824] 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. [ 70.220682][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.222755][ T4640] ------------[ cut here ]------------ [ 70.223628][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.225231][ T4640] Modules linked in: [ 70.225909][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.227454][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 70.229116][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.230397][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.231374][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.232324][ T4640] sp : ffff80001f8b6f80 [ 70.232997][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e244e650 x27: ffff80001f8b74d8 [ 70.234455][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d7d66020 [ 70.235800][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000dc2b4068 [ 70.237103][ T4640] x20: ffff0000d7d66020 x19: ffff0000dc2b4000 x18: 0000000000000001 [ 70.238497][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 70.239906][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 70.241339][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 70.242754][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.244170][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 70.245525][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.246896][ T4640] Call trace: [ 70.247426][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.248346][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 70.249279][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 70.250258][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 70.251371][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 70.252502][ T4640] ext4_dirty_inode+0xd4/0x110 [ 70.253271][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 70.254103][ T4640] iput+0x1bc/0x770 [ 70.254733][ T4640] dentry_unlink_inode+0x360/0x438 [ 70.255608][ T4640] __dentry_kill+0x318/0x590 [ 70.256411][ T4640] shrink_dentry_list+0x404/0x7d0 [ 70.257272][ T4640] shrink_dcache_parent+0xb0/0x364 [ 70.258126][ T4640] do_one_tree+0x2c/0xf4 [ 70.258856][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 70.259771][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 70.260672][ T4640] kill_block_super+0x78/0xe0 [ 70.261504][ T4640] deactivate_locked_super+0xc0/0x13c [ 70.262447][ T4640] deactivate_super+0xf0/0x110 [ 70.263257][ T4640] cleanup_mnt+0x3bc/0x470 [ 70.264034][ T4640] __cleanup_mnt+0x20/0x30 [ 70.264790][ T4640] task_work_run+0x13c/0x1e8 [ 70.265561][ T4640] do_notify_resume+0x2488/0x30a8 [ 70.266476][ T4640] el0_svc+0xf0/0x1d0 [ 70.267209][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 70.268085][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 70.268795][ T4640] irq event stamp: 268692 [ 70.269495][ T4640] hardirqs last enabled at (268691): [] __up_console_sem+0xb4/0xfc [ 70.271068][ T4640] hardirqs last disabled at (268692): [] el1_dbg+0x24/0x80 [ 70.272539][ T4640] softirqs last enabled at (268360): [] local_bh_enable+0x10/0x34 [ 70.274112][ T4640] softirqs last disabled at (268358): [] local_bh_disable+0x10/0x34 [ 70.275626][ T4640] ---[ end trace 38e729154f41e0e9 ]--- [ 70.382486][ T4828] 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. [ 70.397709][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.399753][ T4640] ------------[ cut here ]------------ [ 70.400583][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.402140][ T4640] Modules linked in: [ 70.402771][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.404151][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 70.405853][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.407167][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.408250][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.409372][ T4640] sp : ffff80001f8b6f80 [ 70.410177][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7c9690 x27: ffff80001f8b74d8 [ 70.411609][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d9d10020 [ 70.413023][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ce29c068 [ 70.414461][ T4640] x20: ffff0000d9d10020 x19: ffff0000ce29c000 x18: 0000000000000001 [ 70.415903][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 70.417355][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 70.418834][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 70.420239][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.421560][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 70.422895][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.424254][ T4640] Call trace: [ 70.424805][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.425771][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 70.426608][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 70.427769][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 70.428948][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 70.430080][ T4640] ext4_dirty_inode+0xd4/0x110 [ 70.430917][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 70.431775][ T4640] iput+0x1bc/0x770 [ 70.432416][ T4640] dentry_unlink_inode+0x360/0x438 [ 70.433249][ T4640] __dentry_kill+0x318/0x590 [ 70.434017][ T4640] shrink_dentry_list+0x404/0x7d0 [ 70.434857][ T4640] shrink_dcache_parent+0xb0/0x364 [ 70.435739][ T4640] do_one_tree+0x2c/0xf4 [ 70.436460][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 70.437352][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 70.438251][ T4640] kill_block_super+0x78/0xe0 [ 70.439010][ T4640] deactivate_locked_super+0xc0/0x13c [ 70.439925][ T4640] deactivate_super+0xf0/0x110 [ 70.440764][ T4640] cleanup_mnt+0x3bc/0x470 [ 70.441546][ T4640] __cleanup_mnt+0x20/0x30 [ 70.442308][ T4640] task_work_run+0x13c/0x1e8 [ 70.443099][ T4640] do_notify_resume+0x2488/0x30a8 [ 70.444006][ T4640] el0_svc+0xf0/0x1d0 [ 70.444707][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 70.445568][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 70.446261][ T4640] irq event stamp: 274578 [ 70.446946][ T4640] hardirqs last enabled at (274577): [] __up_console_sem+0xb4/0xfc [ 70.448666][ T4640] hardirqs last disabled at (274578): [] el1_dbg+0x24/0x80 [ 70.450104][ T4640] softirqs last enabled at (274240): [] local_bh_enable+0x10/0x34 [ 70.451741][ T4640] softirqs last disabled at (274238): [] local_bh_disable+0x10/0x34 [ 70.453365][ T4640] ---[ end trace 38e729154f41e0ea ]--- [ 70.525046][ T4832] 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. [ 70.537724][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.539827][ T4640] ------------[ cut here ]------------ [ 70.540822][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.542362][ T4640] Modules linked in: [ 70.543002][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.544530][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 70.546299][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.547663][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.548647][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.549660][ T4640] sp : ffff80001f8b6f80 [ 70.550360][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebcca088 x27: ffff80001f8b74d8 [ 70.551727][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d9d10820 [ 70.553103][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000cad96068 [ 70.554431][ T4640] x20: ffff0000d9d10820 x19: ffff0000cad96000 x18: 0000000000000001 [ 70.555781][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 70.557146][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 70.558607][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 70.560088][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.561478][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 70.562842][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.564211][ T4640] Call trace: [ 70.564733][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.565639][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 70.566560][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 70.567525][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 70.568510][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 70.569382][ T4640] ext4_dirty_inode+0xd4/0x110 [ 70.570160][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 70.571029][ T4640] iput+0x1bc/0x770 [ 70.571665][ T4640] dentry_unlink_inode+0x360/0x438 [ 70.572498][ T4640] __dentry_kill+0x318/0x590 [ 70.573291][ T4640] shrink_dentry_list+0x404/0x7d0 [ 70.574191][ T4640] shrink_dcache_parent+0xb0/0x364 [ 70.575044][ T4640] do_one_tree+0x2c/0xf4 [ 70.575776][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 70.576668][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 70.577596][ T4640] kill_block_super+0x78/0xe0 [ 70.578421][ T4640] deactivate_locked_super+0xc0/0x13c [ 70.579295][ T4640] deactivate_super+0xf0/0x110 [ 70.580148][ T4640] cleanup_mnt+0x3bc/0x470 [ 70.580951][ T4640] __cleanup_mnt+0x20/0x30 [ 70.581708][ T4640] task_work_run+0x13c/0x1e8 [ 70.582520][ T4640] do_notify_resume+0x2488/0x30a8 [ 70.583376][ T4640] el0_svc+0xf0/0x1d0 [ 70.584061][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 70.584916][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 70.585783][ T4640] irq event stamp: 280068 [ 70.586680][ T4640] hardirqs last enabled at (280067): [] __up_console_sem+0xb4/0xfc [ 70.588606][ T4640] hardirqs last disabled at (280068): [] el1_dbg+0x24/0x80 [ 70.590125][ T4640] softirqs last enabled at (279724): [] local_bh_enable+0x10/0x34 [ 70.591881][ T4640] softirqs last disabled at (279722): [] local_bh_disable+0x10/0x34 [ 70.593782][ T4640] ---[ end trace 38e729154f41e0eb ]--- [ 70.710913][ T4836] 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. [ 70.720741][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.722496][ T4640] ------------[ cut here ]------------ [ 70.723351][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.725037][ T4640] Modules linked in: [ 70.725745][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.727320][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 70.728945][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.730278][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.731279][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.732280][ T4640] sp : ffff80001f8b6f80 [ 70.733023][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7cbe70 x27: ffff80001f8b74d8 [ 70.734495][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000dd396020 [ 70.735962][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000cdf22068 [ 70.737335][ T4640] x20: ffff0000dd396020 x19: ffff0000cdf22000 x18: 0000000000000001 [ 70.738593][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 70.739935][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 70.741382][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 70.742749][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.744116][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 70.745429][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.746703][ T4640] Call trace: [ 70.747263][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.748212][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 70.749093][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 70.750133][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 70.751030][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 70.751919][ T4640] ext4_dirty_inode+0xd4/0x110 [ 70.752799][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 70.753662][ T4640] iput+0x1bc/0x770 [ 70.754338][ T4640] dentry_unlink_inode+0x360/0x438 [ 70.755180][ T4640] __dentry_kill+0x318/0x590 [ 70.755955][ T4640] shrink_dentry_list+0x404/0x7d0 [ 70.756822][ T4640] shrink_dcache_parent+0xb0/0x364 [ 70.757725][ T4640] do_one_tree+0x2c/0xf4 [ 70.758450][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 70.759401][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 70.760318][ T4640] kill_block_super+0x78/0xe0 [ 70.761097][ T4640] deactivate_locked_super+0xc0/0x13c [ 70.762148][ T4640] deactivate_super+0xf0/0x110 [ 70.762993][ T4640] cleanup_mnt+0x3bc/0x470 [ 70.763768][ T4640] __cleanup_mnt+0x20/0x30 1970/01/01 00:01:10 executed programs: 33 [ 70.764512][ T4640] task_work_run+0x13c/0x1e8 [ 70.765261][ T4640] do_notify_resume+0x2488/0x30a8 [ 70.766148][ T4640] el0_svc+0xf0/0x1d0 [ 70.766789][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 70.767636][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 70.768340][ T4640] irq event stamp: 285796 [ 70.769103][ T4640] hardirqs last enabled at (285795): [] __up_console_sem+0xb4/0xfc [ 70.770772][ T4640] hardirqs last disabled at (285796): [] el1_dbg+0x24/0x80 [ 70.772343][ T4640] softirqs last enabled at (285460): [] local_bh_enable+0x10/0x34 [ 70.773982][ T4640] softirqs last disabled at (285458): [] local_bh_disable+0x10/0x34 [ 70.775617][ T4640] ---[ end trace 38e729154f41e0ec ]--- [ 70.841163][ T4841] set_capacity_and_notify: 21 callbacks suppressed [ 70.841173][ T4841] loop0: detected capacity change from 0 to 1024 [ 70.877038][ T4841] 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. [ 70.894147][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.896437][ T4640] ------------[ cut here ]------------ [ 70.897373][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.899094][ T4640] Modules linked in: [ 70.899841][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.901377][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 70.903079][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.904551][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.905687][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.906838][ T4640] sp : ffff80001f8b6f80 [ 70.907689][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7ce650 x27: ffff80001f8b74d8 [ 70.909344][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d6880020 [ 70.910684][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c91b4068 [ 70.912072][ T4640] x20: ffff0000d6880020 x19: ffff0000c91b4000 x18: 0000000000000001 [ 70.913403][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 70.914788][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 70.916116][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 70.917489][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.918911][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 70.920366][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.921787][ T4640] Call trace: [ 70.922342][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.923235][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 70.924134][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 70.925074][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 70.926047][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 70.926927][ T4640] ext4_dirty_inode+0xd4/0x110 [ 70.927811][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 70.928624][ T4640] iput+0x1bc/0x770 [ 70.929238][ T4640] dentry_unlink_inode+0x360/0x438 [ 70.930186][ T4640] __dentry_kill+0x318/0x590 [ 70.930985][ T4640] shrink_dentry_list+0x404/0x7d0 [ 70.931836][ T4640] shrink_dcache_parent+0xb0/0x364 [ 70.932779][ T4640] do_one_tree+0x2c/0xf4 [ 70.933545][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 70.934518][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 70.935387][ T4640] kill_block_super+0x78/0xe0 [ 70.936158][ T4640] deactivate_locked_super+0xc0/0x13c [ 70.937023][ T4640] deactivate_super+0xf0/0x110 [ 70.937769][ T4640] cleanup_mnt+0x3bc/0x470 [ 70.938478][ T4640] __cleanup_mnt+0x20/0x30 [ 70.939183][ T4640] task_work_run+0x13c/0x1e8 [ 70.939963][ T4640] do_notify_resume+0x2488/0x30a8 [ 70.940815][ T4640] el0_svc+0xf0/0x1d0 [ 70.941563][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 70.942401][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 70.943182][ T4640] irq event stamp: 291594 [ 70.943926][ T4640] hardirqs last enabled at (291593): [] __up_console_sem+0xb4/0xfc [ 70.945542][ T4640] hardirqs last disabled at (291594): [] el1_dbg+0x24/0x80 [ 70.947023][ T4640] softirqs last enabled at (291590): [] handle_softirqs+0xa70/0xc14 [ 70.948683][ T4640] softirqs last disabled at (291515): [] __irq_exit_rcu+0x240/0x434 [ 70.950266][ T4640] ---[ end trace 38e729154f41e0ed ]--- [ 71.007477][ T4845] loop0: detected capacity change from 0 to 1024 [ 71.076330][ T4845] 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. [ 71.085367][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.087438][ T4640] ------------[ cut here ]------------ [ 71.088377][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.090068][ T4640] Modules linked in: [ 71.090778][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.092360][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 71.094044][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.095371][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.096343][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.097313][ T4640] sp : ffff80001f8b6f80 [ 71.098054][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebccbe70 x27: ffff80001f8b74d8 [ 71.099522][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d86a4820 [ 71.101216][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d3d8c068 [ 71.102903][ T4640] x20: ffff0000d86a4820 x19: ffff0000d3d8c000 x18: 0000000000000001 [ 71.104440][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 71.106061][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 71.107518][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 71.108958][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.110498][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 71.111959][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.113636][ T4640] Call trace: [ 71.114267][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.115278][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 71.116244][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 71.117233][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 71.118168][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 71.119166][ T4640] ext4_dirty_inode+0xd4/0x110 [ 71.120084][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 71.121024][ T4640] iput+0x1bc/0x770 [ 71.121679][ T4640] dentry_unlink_inode+0x360/0x438 [ 71.122574][ T4640] __dentry_kill+0x318/0x590 [ 71.123393][ T4640] shrink_dentry_list+0x404/0x7d0 [ 71.124248][ T4640] shrink_dcache_parent+0xb0/0x364 [ 71.125332][ T4640] do_one_tree+0x2c/0xf4 [ 71.126204][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 71.127191][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 71.128048][ T4640] kill_block_super+0x78/0xe0 [ 71.128900][ T4640] deactivate_locked_super+0xc0/0x13c [ 71.129843][ T4640] deactivate_super+0xf0/0x110 [ 71.130619][ T4640] cleanup_mnt+0x3bc/0x470 [ 71.131321][ T4640] __cleanup_mnt+0x20/0x30 [ 71.132245][ T4640] task_work_run+0x13c/0x1e8 [ 71.133082][ T4640] do_notify_resume+0x2488/0x30a8 [ 71.133943][ T4640] el0_svc+0xf0/0x1d0 [ 71.134594][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 71.135480][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 71.136255][ T4640] irq event stamp: 297388 [ 71.136972][ T4640] hardirqs last enabled at (297387): [] __up_console_sem+0xb4/0xfc [ 71.138627][ T4640] hardirqs last disabled at (297388): [] el1_dbg+0x24/0x80 [ 71.140084][ T4640] softirqs last enabled at (297082): [] handle_softirqs+0xa70/0xc14 [ 71.141757][ T4640] softirqs last disabled at (297075): [] __irq_exit_rcu+0x240/0x434 [ 71.143326][ T4640] ---[ end trace 38e729154f41e0ee ]--- [ 71.218848][ T4851] loop0: detected capacity change from 0 to 1024 [ 71.276259][ T4851] 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. [ 71.290527][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.292628][ T4640] ------------[ cut here ]------------ [ 71.293544][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.295207][ T4640] Modules linked in: [ 71.295881][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.297374][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 71.298985][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.300265][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.301247][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.302221][ T4640] sp : ffff80001f8b6f80 [ 71.302891][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2532088 x27: ffff80001f8b74d8 [ 71.304270][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000dd16d820 [ 71.305623][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d614a068 [ 71.307010][ T4640] x20: ffff0000dd16d820 x19: ffff0000d614a000 x18: 0000000000000001 [ 71.308377][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 71.309688][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 71.310999][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 71.312369][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.313722][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 71.315103][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.316429][ T4640] Call trace: [ 71.316970][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.317856][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 71.318794][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 71.319839][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 71.320886][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 71.321800][ T4640] ext4_dirty_inode+0xd4/0x110 [ 71.322583][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 71.323418][ T4640] iput+0x1bc/0x770 [ 71.324085][ T4640] dentry_unlink_inode+0x360/0x438 [ 71.324944][ T4640] __dentry_kill+0x318/0x590 [ 71.325718][ T4640] shrink_dentry_list+0x404/0x7d0 [ 71.326586][ T4640] shrink_dcache_parent+0xb0/0x364 [ 71.327479][ T4640] do_one_tree+0x2c/0xf4 [ 71.328209][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 71.329155][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 71.330090][ T4640] kill_block_super+0x78/0xe0 [ 71.330905][ T4640] deactivate_locked_super+0xc0/0x13c [ 71.331829][ T4640] deactivate_super+0xf0/0x110 [ 71.332642][ T4640] cleanup_mnt+0x3bc/0x470 [ 71.333365][ T4640] __cleanup_mnt+0x20/0x30 [ 71.334109][ T4640] task_work_run+0x13c/0x1e8 [ 71.334867][ T4640] do_notify_resume+0x2488/0x30a8 [ 71.335711][ T4640] el0_svc+0xf0/0x1d0 [ 71.336372][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 71.337227][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 71.337998][ T4640] irq event stamp: 303202 [ 71.338797][ T4640] hardirqs last enabled at (303201): [] __up_console_sem+0xb4/0xfc [ 71.340645][ T4640] hardirqs last disabled at (303202): [] el1_dbg+0x24/0x80 [ 71.342255][ T4640] softirqs last enabled at (302858): [] local_bh_enable+0x10/0x34 [ 71.344087][ T4640] softirqs last disabled at (302856): [] local_bh_disable+0x10/0x34 [ 71.345940][ T4640] ---[ end trace 38e729154f41e0ef ]--- [ 71.396122][ T4855] loop0: detected capacity change from 0 to 1024 [ 71.446465][ T4855] 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. [ 71.461386][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.463275][ T4640] ------------[ cut here ]------------ [ 71.464106][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.465700][ T4640] Modules linked in: [ 71.466365][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.467770][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 71.469347][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.470552][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.471506][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.472465][ T4640] sp : ffff80001f8b6f80 [ 71.473179][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebcce650 x27: ffff80001f8b74d8 [ 71.474830][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d1549820 [ 71.476217][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d0312068 [ 71.477645][ T4640] x20: ffff0000d1549820 x19: ffff0000d0312000 x18: 0000000000000001 [ 71.479005][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 71.480494][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 71.481791][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 71.483141][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 71.484759][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 71.486262][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.487978][ T4640] Call trace: [ 71.488611][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.489623][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 71.490521][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 71.491503][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 71.492518][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 71.493461][ T4640] ext4_dirty_inode+0xd4/0x110 [ 71.494292][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 71.495271][ T4640] iput+0x1bc/0x770 [ 71.495992][ T4640] dentry_unlink_inode+0x360/0x438 [ 71.496869][ T4640] __dentry_kill+0x318/0x590 [ 71.497726][ T4640] shrink_dentry_list+0x404/0x7d0 [ 71.498575][ T4640] shrink_dcache_parent+0xb0/0x364 [ 71.499458][ T4640] do_one_tree+0x2c/0xf4 [ 71.500131][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 71.501088][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 71.502011][ T4640] kill_block_super+0x78/0xe0 [ 71.502778][ T4640] deactivate_locked_super+0xc0/0x13c [ 71.503667][ T4640] deactivate_super+0xf0/0x110 [ 71.504531][ T4640] cleanup_mnt+0x3bc/0x470 [ 71.505287][ T4640] __cleanup_mnt+0x20/0x30 [ 71.506085][ T4640] task_work_run+0x13c/0x1e8 [ 71.507014][ T4640] do_notify_resume+0x2488/0x30a8 [ 71.508001][ T4640] el0_svc+0xf0/0x1d0 [ 71.508776][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 71.509739][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 71.510638][ T4640] irq event stamp: 308478 [ 71.511387][ T4640] hardirqs last enabled at (308477): [] __schedule+0xf20/0x1c6c [ 71.513148][ T4640] hardirqs last disabled at (308478): [] el1_dbg+0x24/0x80 [ 71.514698][ T4640] softirqs last enabled at (308124): [] local_bh_enable+0x10/0x34 [ 71.516470][ T4640] softirqs last disabled at (308122): [] local_bh_disable+0x10/0x34 [ 71.518125][ T4640] ---[ end trace 38e729154f41e0f0 ]--- [ 71.567387][ T4860] loop0: detected capacity change from 0 to 1024 [ 71.597002][ T4860] 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. [ 71.608712][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.610633][ T4640] ------------[ cut here ]------------ [ 71.611546][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.613102][ T4640] Modules linked in: [ 71.613704][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.615202][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 71.617018][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.618435][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.619453][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.620423][ T4640] sp : ffff80001f8b6f80 [ 71.621086][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e25b0c98 x27: ffff80001f8b74d8 [ 71.622418][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000c0eb7820 [ 71.624030][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c9f68068 [ 71.625709][ T4640] x20: ffff0000c0eb7820 x19: ffff0000c9f68000 x18: 1fffe000341cc796 [ 71.627135][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 71.628448][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 71.629763][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 71.631105][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 71.632435][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 71.633803][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.635160][ T4640] Call trace: [ 71.635712][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.636627][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 71.637567][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 71.638554][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 71.639553][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 71.640481][ T4640] ext4_dirty_inode+0xd4/0x110 [ 71.641230][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 71.642067][ T4640] iput+0x1bc/0x770 [ 71.642687][ T4640] dentry_unlink_inode+0x360/0x438 [ 71.643543][ T4640] __dentry_kill+0x318/0x590 [ 71.644342][ T4640] shrink_dentry_list+0x404/0x7d0 [ 71.645219][ T4640] shrink_dcache_parent+0xb0/0x364 [ 71.646121][ T4640] do_one_tree+0x2c/0xf4 [ 71.646832][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 71.647768][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 71.648670][ T4640] kill_block_super+0x78/0xe0 [ 71.649401][ T4640] deactivate_locked_super+0xc0/0x13c [ 71.650245][ T4640] deactivate_super+0xf0/0x110 [ 71.651049][ T4640] cleanup_mnt+0x3bc/0x470 [ 71.651817][ T4640] __cleanup_mnt+0x20/0x30 [ 71.652592][ T4640] task_work_run+0x13c/0x1e8 [ 71.653365][ T4640] do_notify_resume+0x2488/0x30a8 [ 71.654309][ T4640] el0_svc+0xf0/0x1d0 [ 71.655016][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 71.655926][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 71.656739][ T4640] irq event stamp: 313652 [ 71.657488][ T4640] hardirqs last enabled at (313651): [] finish_lock_switch+0xb0/0x1c8 [ 71.659226][ T4640] hardirqs last disabled at (313652): [] el1_dbg+0x24/0x80 [ 71.660717][ T4640] softirqs last enabled at (313306): [] local_bh_enable+0x10/0x34 [ 71.662379][ T4640] softirqs last disabled at (313304): [] local_bh_disable+0x10/0x34 [ 71.664081][ T4640] ---[ end trace 38e729154f41e0f1 ]--- [ 71.698196][ T4864] loop0: detected capacity change from 0 to 1024 [ 71.766277][ T4864] 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. [ 71.777671][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.779559][ T4640] ------------[ cut here ]------------ [ 71.780433][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.781902][ T4640] Modules linked in: [ 71.782494][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.783905][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 71.785450][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.786649][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.787579][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.788471][ T4640] sp : ffff80001f8b6f80 [ 71.789144][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2534868 x27: ffff80001f8b74d8 [ 71.790509][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000c6068020 [ 71.791934][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d54a4068 [ 71.793348][ T4640] x20: ffff0000c6068020 x19: ffff0000d54a4000 x18: 0000000000000001 [ 71.794854][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 71.796222][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 71.797633][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 71.799011][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.800238][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 71.801562][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.802991][ T4640] Call trace: [ 71.803520][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.804372][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 71.805273][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 71.806323][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 71.807293][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 71.808224][ T4640] ext4_dirty_inode+0xd4/0x110 [ 71.808975][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 71.809822][ T4640] iput+0x1bc/0x770 [ 71.810457][ T4640] dentry_unlink_inode+0x360/0x438 [ 71.811307][ T4640] __dentry_kill+0x318/0x590 [ 71.812088][ T4640] shrink_dentry_list+0x404/0x7d0 [ 71.812956][ T4640] shrink_dcache_parent+0xb0/0x364 [ 71.813812][ T4640] do_one_tree+0x2c/0xf4 [ 71.814543][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 71.815495][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 71.816372][ T4640] kill_block_super+0x78/0xe0 [ 71.817179][ T4640] deactivate_locked_super+0xc0/0x13c [ 71.818043][ T4640] deactivate_super+0xf0/0x110 [ 71.818847][ T4640] cleanup_mnt+0x3bc/0x470 [ 71.819620][ T4640] __cleanup_mnt+0x20/0x30 [ 71.820374][ T4640] task_work_run+0x13c/0x1e8 [ 71.821169][ T4640] do_notify_resume+0x2488/0x30a8 [ 71.821956][ T4640] el0_svc+0xf0/0x1d0 [ 71.822621][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 71.823502][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 71.824231][ T4640] irq event stamp: 319284 [ 71.824974][ T4640] hardirqs last enabled at (319283): [] __up_console_sem+0xb4/0xfc [ 71.826621][ T4640] hardirqs last disabled at (319284): [] el1_dbg+0x24/0x80 [ 71.828131][ T4640] softirqs last enabled at (318944): [] local_bh_enable+0x10/0x34 [ 71.829703][ T4640] softirqs last disabled at (318942): [] local_bh_disable+0x10/0x34 [ 71.831274][ T4640] ---[ end trace 38e729154f41e0f2 ]--- [ 71.916398][ T4868] loop0: detected capacity change from 0 to 1024 [ 71.956512][ T4868] 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. [ 71.966022][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.967904][ T4640] ------------[ cut here ]------------ [ 71.968799][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.970400][ T4640] Modules linked in: [ 71.971022][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.972650][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 71.974551][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.975903][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.976859][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.977905][ T4640] sp : ffff80001f8b6f80 [ 71.978617][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2537048 x27: ffff80001f8b74d8 [ 71.979966][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d1e4a820 [ 71.981305][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c98a4068 [ 71.982693][ T4640] x20: ffff0000d1e4a820 x19: ffff0000c98a4000 x18: 0000000000000001 [ 71.984111][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 71.985449][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 71.986794][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 71.988126][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.989537][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 71.990873][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.992150][ T4640] Call trace: [ 71.992736][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.993712][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 71.994591][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 71.995570][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 71.996559][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 71.997572][ T4640] ext4_dirty_inode+0xd4/0x110 [ 71.998361][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 71.999195][ T4640] iput+0x1bc/0x770 [ 71.999864][ T4640] dentry_unlink_inode+0x360/0x438 [ 72.000699][ T4640] __dentry_kill+0x318/0x590 [ 72.001493][ T4640] shrink_dentry_list+0x404/0x7d0 [ 72.002342][ T4640] shrink_dcache_parent+0xb0/0x364 [ 72.003177][ T4640] do_one_tree+0x2c/0xf4 [ 72.003868][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 72.004876][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 72.005790][ T4640] kill_block_super+0x78/0xe0 [ 72.006547][ T4640] deactivate_locked_super+0xc0/0x13c [ 72.007456][ T4640] deactivate_super+0xf0/0x110 [ 72.008256][ T4640] cleanup_mnt+0x3bc/0x470 [ 72.009005][ T4640] __cleanup_mnt+0x20/0x30 [ 72.009779][ T4640] task_work_run+0x13c/0x1e8 [ 72.010566][ T4640] do_notify_resume+0x2488/0x30a8 [ 72.011457][ T4640] el0_svc+0xf0/0x1d0 [ 72.012211][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 72.013158][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 72.013960][ T4640] irq event stamp: 324368 [ 72.014722][ T4640] hardirqs last enabled at (324367): [] __up_console_sem+0xb4/0xfc [ 72.016386][ T4640] hardirqs last disabled at (324368): [] el1_dbg+0x24/0x80 [ 72.017827][ T4640] softirqs last enabled at (324028): [] handle_softirqs+0xa70/0xc14 [ 72.019412][ T4640] softirqs last disabled at (324021): [] __irq_exit_rcu+0x240/0x434 [ 72.021064][ T4640] ---[ end trace 38e729154f41e0f3 ]--- [ 72.066493][ T4872] loop0: detected capacity change from 0 to 1024 [ 72.176364][ T4872] 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. [ 72.185453][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.187551][ T4640] ------------[ cut here ]------------ [ 72.188484][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.190012][ T4640] Modules linked in: [ 72.190704][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.192263][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 72.194099][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.195465][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.196479][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.197447][ T4640] sp : ffff80001f8b6f80 [ 72.198140][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e24da088 x27: ffff80001f8b74d8 [ 72.199551][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000c2f2e820 [ 72.200937][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d5666068 [ 72.202307][ T4640] x20: ffff0000c2f2e820 x19: ffff0000d5666000 x18: 1fffe000341cc796 [ 72.203664][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 72.205011][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 72.206399][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 72.207691][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 72.208975][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 72.210328][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.211700][ T4640] Call trace: [ 72.212219][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.213083][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 72.213954][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 72.214899][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 72.215876][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 72.216821][ T4640] ext4_dirty_inode+0xd4/0x110 [ 72.217628][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 72.218416][ T4640] iput+0x1bc/0x770 [ 72.219067][ T4640] dentry_unlink_inode+0x360/0x438 [ 72.219950][ T4640] __dentry_kill+0x318/0x590 [ 72.220723][ T4640] shrink_dentry_list+0x404/0x7d0 [ 72.221586][ T4640] shrink_dcache_parent+0xb0/0x364 [ 72.222413][ T4640] do_one_tree+0x2c/0xf4 [ 72.223148][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 72.224029][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 72.224904][ T4640] kill_block_super+0x78/0xe0 [ 72.225693][ T4640] deactivate_locked_super+0xc0/0x13c [ 72.226593][ T4640] deactivate_super+0xf0/0x110 [ 72.227304][ T4640] cleanup_mnt+0x3bc/0x470 [ 72.227987][ T4640] __cleanup_mnt+0x20/0x30 [ 72.228748][ T4640] task_work_run+0x13c/0x1e8 [ 72.229540][ T4640] do_notify_resume+0x2488/0x30a8 [ 72.230385][ T4640] el0_svc+0xf0/0x1d0 [ 72.231053][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 72.231910][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 72.232655][ T4640] irq event stamp: 329704 [ 72.233368][ T4640] hardirqs last enabled at (329703): [] finish_lock_switch+0xb0/0x1c8 [ 72.235080][ T4640] hardirqs last disabled at (329704): [] el1_dbg+0x24/0x80 [ 72.236572][ T4640] softirqs last enabled at (329350): [] local_bh_enable+0x10/0x34 [ 72.238081][ T4640] softirqs last disabled at (329348): [] local_bh_disable+0x10/0x34 [ 72.239697][ T4640] ---[ end trace 38e729154f41e0f4 ]--- [ 72.276695][ T4876] loop0: detected capacity change from 0 to 1024 [ 72.341248][ T4876] 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. [ 72.355761][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.357822][ T4640] ------------[ cut here ]------------ [ 72.358706][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.360351][ T4640] Modules linked in: [ 72.361039][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.362506][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 72.364196][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.365509][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.366517][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.367545][ T4640] sp : ffff80001f8b6f80 [ 72.368281][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e25b3e70 x27: ffff80001f8b74d8 [ 72.369743][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d001a020 [ 72.371183][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000db1ca068 [ 72.372545][ T4640] x20: ffff0000d001a020 x19: ffff0000db1ca000 x18: 0000000000000001 [ 72.373919][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 72.375243][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 72.376588][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 72.377917][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 72.379387][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 72.380792][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.382201][ T4640] Call trace: [ 72.382776][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.383670][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 72.384576][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 72.385527][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 72.386493][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 72.387453][ T4640] ext4_dirty_inode+0xd4/0x110 [ 72.388305][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 72.389182][ T4640] iput+0x1bc/0x770 [ 72.389849][ T4640] dentry_unlink_inode+0x360/0x438 [ 72.390824][ T4640] __dentry_kill+0x318/0x590 [ 72.391568][ T4640] shrink_dentry_list+0x404/0x7d0 [ 72.392465][ T4640] shrink_dcache_parent+0xb0/0x364 [ 72.393381][ T4640] do_one_tree+0x2c/0xf4 [ 72.394124][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 72.395081][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 72.396018][ T4640] kill_block_super+0x78/0xe0 [ 72.396861][ T4640] deactivate_locked_super+0xc0/0x13c [ 72.397756][ T4640] deactivate_super+0xf0/0x110 [ 72.398633][ T4640] cleanup_mnt+0x3bc/0x470 [ 72.399446][ T4640] __cleanup_mnt+0x20/0x30 [ 72.400192][ T4640] task_work_run+0x13c/0x1e8 [ 72.400945][ T4640] do_notify_resume+0x2488/0x30a8 [ 72.401790][ T4640] el0_svc+0xf0/0x1d0 [ 72.402479][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 72.403383][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 72.404122][ T4640] irq event stamp: 334638 [ 72.404836][ T4640] hardirqs last enabled at (334637): [] __schedule+0xf20/0x1c6c [ 72.406496][ T4640] hardirqs last disabled at (334638): [] el1_dbg+0x24/0x80 [ 72.408071][ T4640] softirqs last enabled at (334334): [] handle_softirqs+0xa70/0xc14 [ 72.409769][ T4640] softirqs last disabled at (334323): [] __irq_exit_rcu+0x240/0x434 [ 72.411360][ T4640] ---[ end trace 38e729154f41e0f5 ]--- [ 72.478768][ T4881] loop0: detected capacity change from 0 to 1024 [ 72.496329][ T4881] 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. [ 72.510775][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.512873][ T4640] ------------[ cut here ]------------ [ 72.513812][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.515522][ T4640] Modules linked in: [ 72.516187][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.517679][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 72.519339][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.520760][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.521735][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.522774][ T4640] sp : ffff80001f8b6f80 [ 72.523504][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e25b6650 x27: ffff80001f8b74d8 [ 72.524899][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d632a820 [ 72.526319][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d68be068 [ 72.527874][ T4640] x20: ffff0000d632a820 x19: ffff0000d68be000 x18: 0000000000000001 [ 72.529206][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 72.530618][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 72.531901][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 72.533244][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 72.534613][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 72.535910][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.537212][ T4640] Call trace: [ 72.537773][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.538635][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 72.539555][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 72.540518][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 72.541502][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 72.542388][ T4640] ext4_dirty_inode+0xd4/0x110 [ 72.543155][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 72.544046][ T4640] iput+0x1bc/0x770 [ 72.544712][ T4640] dentry_unlink_inode+0x360/0x438 [ 72.545558][ T4640] __dentry_kill+0x318/0x590 [ 72.546366][ T4640] shrink_dentry_list+0x404/0x7d0 [ 72.547281][ T4640] shrink_dcache_parent+0xb0/0x364 [ 72.548186][ T4640] do_one_tree+0x2c/0xf4 [ 72.548896][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 72.549785][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 72.550649][ T4640] kill_block_super+0x78/0xe0 [ 72.551466][ T4640] deactivate_locked_super+0xc0/0x13c [ 72.552388][ T4640] deactivate_super+0xf0/0x110 [ 72.553202][ T4640] cleanup_mnt+0x3bc/0x470 [ 72.553980][ T4640] __cleanup_mnt+0x20/0x30 [ 72.554734][ T4640] task_work_run+0x13c/0x1e8 [ 72.555480][ T4640] do_notify_resume+0x2488/0x30a8 [ 72.556263][ T4640] el0_svc+0xf0/0x1d0 [ 72.556931][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 72.557873][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 72.558642][ T4640] irq event stamp: 339736 [ 72.559340][ T4640] hardirqs last enabled at (339735): [] __schedule+0xf20/0x1c6c [ 72.560902][ T4640] hardirqs last disabled at (339736): [] el1_dbg+0x24/0x80 [ 72.562362][ T4640] softirqs last enabled at (339390): [] local_bh_enable+0x10/0x34 [ 72.563965][ T4640] softirqs last disabled at (339388): [] local_bh_disable+0x10/0x34 [ 72.565650][ T4640] ---[ end trace 38e729154f41e0f6 ]--- [ 72.686339][ T4885] 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. [ 72.696770][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.698802][ T4640] ------------[ cut here ]------------ [ 72.699760][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.701384][ T4640] Modules linked in: [ 72.701986][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.703460][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 72.704953][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.706176][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.707205][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.708252][ T4640] sp : ffff80001f8b6f80 [ 72.709038][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7d6650 x27: ffff80001f8b74d8 [ 72.710638][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000ce0e8820 [ 72.712135][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d635e068 [ 72.713755][ T4640] x20: ffff0000ce0e8820 x19: ffff0000d635e000 x18: 0000000000000001 [ 72.715342][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 72.716816][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 72.718117][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 72.719504][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.720856][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 72.722174][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.723526][ T4640] Call trace: [ 72.724000][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.724802][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 72.725706][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 72.726614][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 72.727545][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 72.728680][ T4640] ext4_dirty_inode+0xd4/0x110 [ 72.729658][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 72.730529][ T4640] iput+0x1bc/0x770 [ 72.731195][ T4640] dentry_unlink_inode+0x360/0x438 [ 72.732098][ T4640] __dentry_kill+0x318/0x590 [ 72.732864][ T4640] shrink_dentry_list+0x404/0x7d0 [ 72.733853][ T4640] shrink_dcache_parent+0xb0/0x364 [ 72.734794][ T4640] do_one_tree+0x2c/0xf4 [ 72.735568][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 72.736559][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 72.737446][ T4640] kill_block_super+0x78/0xe0 [ 72.738210][ T4640] deactivate_locked_super+0xc0/0x13c [ 72.739146][ T4640] deactivate_super+0xf0/0x110 [ 72.739932][ T4640] cleanup_mnt+0x3bc/0x470 [ 72.740717][ T4640] __cleanup_mnt+0x20/0x30 [ 72.741476][ T4640] task_work_run+0x13c/0x1e8 [ 72.742230][ T4640] do_notify_resume+0x2488/0x30a8 [ 72.743093][ T4640] el0_svc+0xf0/0x1d0 [ 72.743863][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 72.744742][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 72.745493][ T4640] irq event stamp: 344650 [ 72.746220][ T4640] hardirqs last enabled at (344649): [] __up_console_sem+0xb4/0xfc [ 72.747875][ T4640] hardirqs last disabled at (344650): [] el1_dbg+0x24/0x80 [ 72.749299][ T4640] softirqs last enabled at (344312): [] local_bh_enable+0x10/0x34 [ 72.750924][ T4640] softirqs last disabled at (344310): [] local_bh_disable+0x10/0x34 [ 72.752571][ T4640] ---[ end trace 38e729154f41e0f7 ]--- [ 72.846364][ T4889] 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. [ 72.862464][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.864505][ T4640] ------------[ cut here ]------------ [ 72.865437][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.867200][ T4640] Modules linked in: [ 72.867919][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.869454][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 72.871147][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.872411][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.873334][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.874306][ T4640] sp : ffff80001f8b6f80 [ 72.874982][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7d5260 x27: ffff80001f8b74d8 [ 72.876567][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000ce957020 [ 72.878130][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000cbff4068 [ 72.879484][ T4640] x20: ffff0000ce957020 x19: ffff0000cbff4000 x18: 0000000000000001 [ 72.881108][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 72.882608][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 72.884149][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 72.885640][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.887022][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 72.888362][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.889762][ T4640] Call trace: [ 72.890362][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.891292][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 72.892298][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 72.893317][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 72.894279][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 72.895156][ T4640] ext4_dirty_inode+0xd4/0x110 [ 72.896102][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 72.897092][ T4640] iput+0x1bc/0x770 [ 72.897807][ T4640] dentry_unlink_inode+0x360/0x438 [ 72.898815][ T4640] __dentry_kill+0x318/0x590 [ 72.899720][ T4640] shrink_dentry_list+0x404/0x7d0 [ 72.900720][ T4640] shrink_dcache_parent+0xb0/0x364 [ 72.901686][ T4640] do_one_tree+0x2c/0xf4 [ 72.902514][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 72.903538][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 72.904506][ T4640] kill_block_super+0x78/0xe0 [ 72.905315][ T4640] deactivate_locked_super+0xc0/0x13c [ 72.906172][ T4640] deactivate_super+0xf0/0x110 [ 72.907046][ T4640] cleanup_mnt+0x3bc/0x470 [ 72.907756][ T4640] __cleanup_mnt+0x20/0x30 [ 72.908502][ T4640] task_work_run+0x13c/0x1e8 [ 72.909278][ T4640] do_notify_resume+0x2488/0x30a8 [ 72.910160][ T4640] el0_svc+0xf0/0x1d0 [ 72.910963][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 72.911929][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 72.912775][ T4640] irq event stamp: 350040 [ 72.913526][ T4640] hardirqs last enabled at (350039): [] __up_console_sem+0xb4/0xfc [ 72.915206][ T4640] hardirqs last disabled at (350040): [] el1_dbg+0x24/0x80 [ 72.916528][ T4640] softirqs last enabled at (349706): [] local_bh_enable+0x10/0x34 [ 72.918125][ T4640] softirqs last disabled at (349704): [] local_bh_disable+0x10/0x34 [ 72.919751][ T4640] ---[ end trace 38e729154f41e0f8 ]--- [ 73.066339][ T4893] 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. [ 73.076103][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.078107][ T4640] ------------[ cut here ]------------ [ 73.078972][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.080533][ T4640] Modules linked in: [ 73.081161][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.082570][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 73.084155][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.085493][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.086446][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.087443][ T4640] sp : ffff80001f8b6f80 [ 73.088145][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7d2a80 x27: ffff80001f8b74d8 [ 73.089588][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000c2f2b820 [ 73.091002][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d8086068 [ 73.092322][ T4640] x20: ffff0000c2f2b820 x19: ffff0000d8086000 x18: 0000000000000001 [ 73.093744][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 73.095185][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 73.096608][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 73.097951][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.099548][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 73.101160][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.102706][ T4640] Call trace: [ 73.103314][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.104270][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 73.105169][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 73.106120][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 73.107052][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 73.107976][ T4640] ext4_dirty_inode+0xd4/0x110 [ 73.108793][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 73.109656][ T4640] iput+0x1bc/0x770 [ 73.110274][ T4640] dentry_unlink_inode+0x360/0x438 [ 73.111094][ T4640] __dentry_kill+0x318/0x590 [ 73.111865][ T4640] shrink_dentry_list+0x404/0x7d0 [ 73.112729][ T4640] shrink_dcache_parent+0xb0/0x364 [ 73.113561][ T4640] do_one_tree+0x2c/0xf4 [ 73.114295][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 73.115230][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 73.116249][ T4640] kill_block_super+0x78/0xe0 [ 73.117118][ T4640] deactivate_locked_super+0xc0/0x13c [ 73.117957][ T4640] deactivate_super+0xf0/0x110 [ 73.118876][ T4640] cleanup_mnt+0x3bc/0x470 [ 73.119757][ T4640] __cleanup_mnt+0x20/0x30 [ 73.120572][ T4640] task_work_run+0x13c/0x1e8 [ 73.121411][ T4640] do_notify_resume+0x2488/0x30a8 [ 73.122352][ T4640] el0_svc+0xf0/0x1d0 [ 73.123098][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 73.123994][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 73.124789][ T4640] irq event stamp: 355476 [ 73.125563][ T4640] hardirqs last enabled at (355475): [] __up_console_sem+0xb4/0xfc [ 73.127177][ T4640] hardirqs last disabled at (355476): [] el1_dbg+0x24/0x80 [ 73.128670][ T4640] softirqs last enabled at (355194): [] handle_softirqs+0xa70/0xc14 [ 73.130321][ T4640] softirqs last disabled at (355181): [] __irq_exit_rcu+0x240/0x434 [ 73.131968][ T4640] ---[ end trace 38e729154f41e0f9 ]--- [ 73.278218][ T4897] 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. [ 73.293594][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.296051][ T4640] ------------[ cut here ]------------ [ 73.296954][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.298593][ T4640] Modules linked in: [ 73.299192][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.300932][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 73.302913][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.304369][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.305465][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.306471][ T4640] sp : ffff80001f8b6f80 [ 73.307118][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e24dc868 x27: ffff80001f8b74d8 [ 73.308475][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000ce7ff820 [ 73.309809][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d3e92068 [ 73.311341][ T4640] x20: ffff0000ce7ff820 x19: ffff0000d3e92000 x18: 1fffe000341cc796 [ 73.312926][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 73.314392][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 73.315925][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 73.317386][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 73.318741][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 73.320067][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.321457][ T4640] Call trace: [ 73.321995][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.322900][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 73.323759][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 73.324730][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 73.325679][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 73.326599][ T4640] ext4_dirty_inode+0xd4/0x110 [ 73.327383][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 73.328208][ T4640] iput+0x1bc/0x770 [ 73.328882][ T4640] dentry_unlink_inode+0x360/0x438 [ 73.329823][ T4640] __dentry_kill+0x318/0x590 [ 73.330588][ T4640] shrink_dentry_list+0x404/0x7d0 [ 73.331479][ T4640] shrink_dcache_parent+0xb0/0x364 [ 73.332373][ T4640] do_one_tree+0x2c/0xf4 [ 73.333105][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 73.334007][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 73.334891][ T4640] kill_block_super+0x78/0xe0 [ 73.335644][ T4640] deactivate_locked_super+0xc0/0x13c [ 73.336509][ T4640] deactivate_super+0xf0/0x110 [ 73.337326][ T4640] cleanup_mnt+0x3bc/0x470 [ 73.338119][ T4640] __cleanup_mnt+0x20/0x30 [ 73.338882][ T4640] task_work_run+0x13c/0x1e8 [ 73.339697][ T4640] do_notify_resume+0x2488/0x30a8 [ 73.340630][ T4640] el0_svc+0xf0/0x1d0 [ 73.341299][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 73.342186][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 73.342938][ T4640] irq event stamp: 360648 [ 73.343634][ T4640] hardirqs last enabled at (360647): [] finish_lock_switch+0xb0/0x1c8 [ 73.345367][ T4640] hardirqs last disabled at (360648): [] el1_dbg+0x24/0x80 [ 73.346943][ T4640] softirqs last enabled at (360642): [] handle_softirqs+0xa70/0xc14 [ 73.348660][ T4640] softirqs last disabled at (360591): [] __irq_exit_rcu+0x240/0x434 [ 73.350288][ T4640] ---[ end trace 38e729154f41e0fa ]--- [ 73.467016][ T4901] 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. [ 73.476248][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.478075][ T4640] ------------[ cut here ]------------ [ 73.479018][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.480702][ T4640] Modules linked in: [ 73.481313][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.482663][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 73.484067][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.485279][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.486222][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.487246][ T4640] sp : ffff80001f8b6f80 [ 73.487978][ T4640] x29: ffff80001f8b71c0 x28: ffff0000dd7d02a0 x27: ffff80001f8b74d8 [ 73.489452][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d71a7820 [ 73.490863][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d80aa068 [ 73.492287][ T4640] x20: ffff0000d71a7820 x19: ffff0000d80aa000 x18: 0000000000000001 [ 73.493659][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 73.494988][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 73.496262][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 73.497669][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.499073][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 73.500418][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.501724][ T4640] Call trace: [ 73.502344][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.503240][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 73.504180][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 73.505216][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 73.506162][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 73.506982][ T4640] ext4_dirty_inode+0xd4/0x110 [ 73.507694][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 73.508543][ T4640] iput+0x1bc/0x770 [ 73.509202][ T4640] dentry_unlink_inode+0x360/0x438 [ 73.510094][ T4640] __dentry_kill+0x318/0x590 [ 73.510828][ T4640] shrink_dentry_list+0x404/0x7d0 [ 73.511654][ T4640] shrink_dcache_parent+0xb0/0x364 [ 73.512635][ T4640] do_one_tree+0x2c/0xf4 [ 73.513363][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 73.514301][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 73.515229][ T4640] kill_block_super+0x78/0xe0 [ 73.516057][ T4640] deactivate_locked_super+0xc0/0x13c [ 73.516962][ T4640] deactivate_super+0xf0/0x110 [ 73.517743][ T4640] cleanup_mnt+0x3bc/0x470 [ 73.518439][ T4640] __cleanup_mnt+0x20/0x30 [ 73.519166][ T4640] task_work_run+0x13c/0x1e8 [ 73.519923][ T4640] do_notify_resume+0x2488/0x30a8 [ 73.520785][ T4640] el0_svc+0xf0/0x1d0 [ 73.521477][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 73.522357][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 73.523208][ T4640] irq event stamp: 365844 [ 73.523972][ T4640] hardirqs last enabled at (365843): [] __up_console_sem+0xb4/0xfc [ 73.525579][ T4640] hardirqs last disabled at (365844): [] el1_dbg+0x24/0x80 [ 73.527339][ T4640] softirqs last enabled at (365516): [] local_bh_enable+0x10/0x34 [ 73.528943][ T4640] softirqs last disabled at (365514): [] local_bh_disable+0x10/0x34 [ 73.530530][ T4640] ---[ end trace 38e729154f41e0fb ]--- [ 73.596279][ T4906] 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. [ 73.611022][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.613022][ T4640] ------------[ cut here ]------------ [ 73.613951][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.615687][ T4640] Modules linked in: [ 73.616527][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.618265][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 73.619977][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.621339][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.622509][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.623637][ T4640] sp : ffff80001f8b6f80 [ 73.624418][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e25382a0 x27: ffff80001f8b74d8 [ 73.625895][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000cff3d820 [ 73.627210][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ca1f2068 [ 73.628552][ T4640] x20: ffff0000cff3d820 x19: ffff0000ca1f2000 x18: 0000000000000001 [ 73.629834][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 73.631096][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 73.632369][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 73.633735][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.635141][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 73.636538][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.637893][ T4640] Call trace: [ 73.638455][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.639376][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 73.640268][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 73.641232][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 73.642194][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 73.643083][ T4640] ext4_dirty_inode+0xd4/0x110 [ 73.643963][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 73.644899][ T4640] iput+0x1bc/0x770 [ 73.645665][ T4640] dentry_unlink_inode+0x360/0x438 [ 73.646639][ T4640] __dentry_kill+0x318/0x590 [ 73.647531][ T4640] shrink_dentry_list+0x404/0x7d0 [ 73.648494][ T4640] shrink_dcache_parent+0xb0/0x364 [ 73.649524][ T4640] do_one_tree+0x2c/0xf4 [ 73.650408][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 73.651380][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 73.652247][ T4640] kill_block_super+0x78/0xe0 [ 73.653179][ T4640] deactivate_locked_super+0xc0/0x13c [ 73.654164][ T4640] deactivate_super+0xf0/0x110 [ 73.654998][ T4640] cleanup_mnt+0x3bc/0x470 [ 73.655748][ T4640] __cleanup_mnt+0x20/0x30 [ 73.656516][ T4640] task_work_run+0x13c/0x1e8 [ 73.657329][ T4640] do_notify_resume+0x2488/0x30a8 [ 73.658211][ T4640] el0_svc+0xf0/0x1d0 [ 73.658944][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 73.659789][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 73.660528][ T4640] irq event stamp: 370940 [ 73.661301][ T4640] hardirqs last enabled at (370939): [] __up_console_sem+0xb4/0xfc [ 73.663114][ T4640] hardirqs last disabled at (370940): [] el1_dbg+0x24/0x80 [ 73.664778][ T4640] softirqs last enabled at (370612): [] local_bh_enable+0x10/0x34 [ 73.666367][ T4640] softirqs last disabled at (370610): [] local_bh_disable+0x10/0x34 [ 73.667977][ T4640] ---[ end trace 38e729154f41e0fc ]--- [ 73.787029][ T4910] 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. [ 73.796398][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.798229][ T4640] ------------[ cut here ]------------ [ 73.799162][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.800746][ T4640] Modules linked in: [ 73.801388][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.802806][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 73.804391][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.805749][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.806820][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.807758][ T4640] sp : ffff80001f8b6f80 [ 73.808431][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2545260 x27: ffff80001f8b74d8 [ 73.809868][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d1d5c820 [ 73.811277][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000e7376068 [ 73.812605][ T4640] x20: ffff0000d1d5c820 x19: ffff0000e7376000 x18: 0000000000000001 [ 73.813948][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 73.815291][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 73.816640][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 73.818057][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 73.819316][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 73.820575][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.821852][ T4640] Call trace: [ 73.822381][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.823224][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 73.824106][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 73.825087][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 73.826043][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 73.826977][ T4640] ext4_dirty_inode+0xd4/0x110 [ 73.827774][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 73.828613][ T4640] iput+0x1bc/0x770 [ 73.829232][ T4640] dentry_unlink_inode+0x360/0x438 [ 73.830116][ T4640] __dentry_kill+0x318/0x590 [ 73.830851][ T4640] shrink_dentry_list+0x404/0x7d0 [ 73.831680][ T4640] shrink_dcache_parent+0xb0/0x364 [ 73.832528][ T4640] do_one_tree+0x2c/0xf4 [ 73.833279][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 73.834246][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 73.835171][ T4640] kill_block_super+0x78/0xe0 [ 73.835970][ T4640] deactivate_locked_super+0xc0/0x13c [ 73.837056][ T4640] deactivate_super+0xf0/0x110 [ 73.837960][ T4640] cleanup_mnt+0x3bc/0x470 [ 73.838802][ T4640] __cleanup_mnt+0x20/0x30 [ 73.839633][ T4640] task_work_run+0x13c/0x1e8 [ 73.840509][ T4640] do_notify_resume+0x2488/0x30a8 [ 73.841441][ T4640] el0_svc+0xf0/0x1d0 [ 73.842075][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 73.842920][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 73.843673][ T4640] irq event stamp: 375998 [ 73.844405][ T4640] hardirqs last enabled at (375997): [] __schedule+0xf20/0x1c6c [ 73.845998][ T4640] hardirqs last disabled at (375998): [] el1_dbg+0x24/0x80 [ 73.847528][ T4640] softirqs last enabled at (375470): [] local_bh_enable+0x10/0x34 [ 73.849025][ T4640] softirqs last disabled at (375468): [] local_bh_disable+0x10/0x34 [ 73.850682][ T4640] ---[ end trace 38e729154f41e0fd ]--- [ 73.966306][ T4915] 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. [ 73.978715][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.980764][ T4640] ------------[ cut here ]------------ [ 73.981633][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.983254][ T4640] Modules linked in: [ 73.983947][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.985391][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 73.987244][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.988551][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.989471][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.990388][ T4640] sp : ffff80001f8b6f80 [ 73.991057][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2544868 x27: ffff80001f8b74d8 [ 73.992371][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d1d59020 [ 73.993590][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d87f2068 [ 73.994963][ T4640] x20: ffff0000d1d59020 x19: ffff0000d87f2000 x18: 0000000000000001 [ 73.996324][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 73.997631][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 73.999216][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 74.000785][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.002291][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 74.003750][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.005129][ T4640] Call trace: [ 74.005735][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.006701][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 74.007631][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 74.008617][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 74.009582][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 74.010539][ T4640] ext4_dirty_inode+0xd4/0x110 [ 74.011337][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 74.012194][ T4640] iput+0x1bc/0x770 [ 74.012868][ T4640] dentry_unlink_inode+0x360/0x438 [ 74.013821][ T4640] __dentry_kill+0x318/0x590 [ 74.014585][ T4640] shrink_dentry_list+0x404/0x7d0 [ 74.015436][ T4640] shrink_dcache_parent+0xb0/0x364 [ 74.016306][ T4640] do_one_tree+0x2c/0xf4 [ 74.017051][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 74.018035][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 74.018924][ T4640] kill_block_super+0x78/0xe0 [ 74.019710][ T4640] deactivate_locked_super+0xc0/0x13c [ 74.020585][ T4640] deactivate_super+0xf0/0x110 [ 74.021387][ T4640] cleanup_mnt+0x3bc/0x470 [ 74.022118][ T4640] __cleanup_mnt+0x20/0x30 [ 74.022902][ T4640] task_work_run+0x13c/0x1e8 [ 74.023676][ T4640] do_notify_resume+0x2488/0x30a8 [ 74.024493][ T4640] el0_svc+0xf0/0x1d0 [ 74.025151][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 74.026094][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 74.026918][ T4640] irq event stamp: 381484 [ 74.027670][ T4640] hardirqs last enabled at (381483): [] __up_console_sem+0xb4/0xfc [ 74.029576][ T4640] hardirqs last disabled at (381484): [] el1_dbg+0x24/0x80 [ 74.031298][ T4640] softirqs last enabled at (381140): [] local_bh_enable+0x10/0x34 [ 74.032952][ T4640] softirqs last disabled at (381138): [] local_bh_disable+0x10/0x34 [ 74.034572][ T4640] ---[ end trace 38e729154f41e0fe ]--- [ 74.138445][ T4919] 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. [ 74.147303][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.149116][ T4640] ------------[ cut here ]------------ [ 74.149956][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.151417][ T4640] Modules linked in: [ 74.151977][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.153444][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 74.155052][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.156380][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.157307][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.158312][ T4640] sp : ffff80001f8b6f80 [ 74.159002][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e2542088 x27: ffff80001f8b74d8 [ 74.160333][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d39d4020 [ 74.161694][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000e9980068 [ 74.163108][ T4640] x20: ffff0000d39d4020 x19: ffff0000e9980000 x18: 0000000000000001 [ 74.164453][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 74.165833][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 74.167239][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 74.168548][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.169886][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 74.171222][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.172644][ T4640] Call trace: [ 74.173216][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.174165][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 74.175014][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 74.175969][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 74.176903][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 74.177819][ T4640] ext4_dirty_inode+0xd4/0x110 [ 74.178619][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 74.179459][ T4640] iput+0x1bc/0x770 [ 74.180053][ T4640] dentry_unlink_inode+0x360/0x438 [ 74.180938][ T4640] __dentry_kill+0x318/0x590 [ 74.181709][ T4640] shrink_dentry_list+0x404/0x7d0 [ 74.182512][ T4640] shrink_dcache_parent+0xb0/0x364 [ 74.183356][ T4640] do_one_tree+0x2c/0xf4 [ 74.184017][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 74.184933][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 74.185939][ T4640] kill_block_super+0x78/0xe0 [ 74.186860][ T4640] deactivate_locked_super+0xc0/0x13c [ 74.187767][ T4640] deactivate_super+0xf0/0x110 [ 74.188507][ T4640] cleanup_mnt+0x3bc/0x470 [ 74.189183][ T4640] __cleanup_mnt+0x20/0x30 [ 74.189892][ T4640] task_work_run+0x13c/0x1e8 [ 74.190595][ T4640] do_notify_resume+0x2488/0x30a8 [ 74.191387][ T4640] el0_svc+0xf0/0x1d0 [ 74.192063][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 74.192893][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 74.193638][ T4640] irq event stamp: 386402 [ 74.194389][ T4640] hardirqs last enabled at (386401): [] __up_console_sem+0xb4/0xfc [ 74.195998][ T4640] hardirqs last disabled at (386402): [] el1_dbg+0x24/0x80 [ 74.197529][ T4640] softirqs last enabled at (386064): [] local_bh_enable+0x10/0x34 [ 74.199172][ T4640] softirqs last disabled at (386062): [] local_bh_disable+0x10/0x34 [ 74.200856][ T4640] ---[ end trace 38e729154f41e0ff ]--- [ 74.276803][ T4924] 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. [ 74.292151][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.293932][ T4640] ------------[ cut here ]------------ [ 74.294751][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.296401][ T4640] Modules linked in: [ 74.297092][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.298585][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 74.300452][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.301859][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.303014][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.304137][ T4640] sp : ffff80001f8b6f80 [ 74.305001][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e27ff048 x27: ffff80001f8b74d8 [ 74.306488][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d4dfa820 [ 74.308094][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d83e4068 [ 74.309638][ T4640] x20: ffff0000d4dfa820 x19: ffff0000d83e4000 x18: 0000000000000001 [ 74.311054][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 74.312433][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 74.313770][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 74.315126][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.316515][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 74.317843][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.319381][ T4640] Call trace: [ 74.320029][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.321163][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 74.322133][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 74.323147][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 74.324155][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 74.325251][ T4640] ext4_dirty_inode+0xd4/0x110 [ 74.326224][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 74.327143][ T4640] iput+0x1bc/0x770 [ 74.327811][ T4640] dentry_unlink_inode+0x360/0x438 [ 74.328688][ T4640] __dentry_kill+0x318/0x590 [ 74.329509][ T4640] shrink_dentry_list+0x404/0x7d0 [ 74.330372][ T4640] shrink_dcache_parent+0xb0/0x364 [ 74.331273][ T4640] do_one_tree+0x2c/0xf4 [ 74.332011][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 74.333004][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 74.333892][ T4640] kill_block_super+0x78/0xe0 [ 74.334727][ T4640] deactivate_locked_super+0xc0/0x13c [ 74.335631][ T4640] deactivate_super+0xf0/0x110 [ 74.336463][ T4640] cleanup_mnt+0x3bc/0x470 [ 74.337197][ T4640] __cleanup_mnt+0x20/0x30 [ 74.337941][ T4640] task_work_run+0x13c/0x1e8 [ 74.338723][ T4640] do_notify_resume+0x2488/0x30a8 [ 74.339757][ T4640] el0_svc+0xf0/0x1d0 [ 74.340575][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 74.341608][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 74.342535][ T4640] irq event stamp: 391920 [ 74.343407][ T4640] hardirqs last enabled at (391919): [] __up_console_sem+0xb4/0xfc [ 74.345348][ T4640] hardirqs last disabled at (391920): [] el1_dbg+0x24/0x80 [ 74.346990][ T4640] softirqs last enabled at (391594): [] local_bh_enable+0x10/0x34 [ 74.348882][ T4640] softirqs last disabled at (391592): [] local_bh_disable+0x10/0x34 [ 74.350750][ T4640] ---[ end trace 38e729154f41e100 ]--- [ 74.419426][ T4928] 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. [ 74.433477][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.436686][ T4640] ------------[ cut here ]------------ [ 74.437644][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.439269][ T4640] Modules linked in: [ 74.439995][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.441414][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 74.443070][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.444430][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.445347][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.446315][ T4640] sp : ffff80001f8b6f80 [ 74.447132][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e253b478 x27: ffff80001f8b74d8 [ 74.448498][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d8c0b820 [ 74.449885][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d4832068 [ 74.451261][ T4640] x20: ffff0000d8c0b820 x19: ffff0000d4832000 x18: 1fffe000341d0996 [ 74.452606][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 74.453998][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 74.455413][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 74.456724][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.458115][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 74.459773][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.461235][ T4640] Call trace: [ 74.461823][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.462725][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 74.463708][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 74.464682][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 74.465652][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 74.466609][ T4640] ext4_dirty_inode+0xd4/0x110 [ 74.467401][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 74.468218][ T4640] iput+0x1bc/0x770 [ 74.468985][ T4640] dentry_unlink_inode+0x360/0x438 [ 74.469992][ T4640] __dentry_kill+0x318/0x590 [ 74.470889][ T4640] shrink_dentry_list+0x404/0x7d0 [ 74.471840][ T4640] shrink_dcache_parent+0xb0/0x364 [ 74.472728][ T4640] do_one_tree+0x2c/0xf4 [ 74.473426][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 74.474338][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 74.475211][ T4640] kill_block_super+0x78/0xe0 [ 74.475997][ T4640] deactivate_locked_super+0xc0/0x13c [ 74.476841][ T4640] deactivate_super+0xf0/0x110 [ 74.477615][ T4640] cleanup_mnt+0x3bc/0x470 [ 74.478301][ T4640] __cleanup_mnt+0x20/0x30 [ 74.479043][ T4640] task_work_run+0x13c/0x1e8 [ 74.479814][ T4640] do_notify_resume+0x2488/0x30a8 [ 74.480677][ T4640] el0_svc+0xf0/0x1d0 [ 74.481400][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 74.482298][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 74.483085][ T4640] irq event stamp: 397244 [ 74.483814][ T4640] hardirqs last enabled at (397243): [] finish_lock_switch+0xb0/0x1c8 [ 74.485467][ T4640] hardirqs last disabled at (397244): [] el1_dbg+0x24/0x80 [ 74.486933][ T4640] softirqs last enabled at (397238): [] handle_softirqs+0xa70/0xc14 [ 74.488525][ T4640] softirqs last disabled at (397191): [] __irq_exit_rcu+0x240/0x434 [ 74.490289][ T4640] ---[ end trace 38e729154f41e101 ]--- [ 74.606377][ T4932] 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. [ 74.617565][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.619504][ T4640] ------------[ cut here ]------------ [ 74.620354][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.621893][ T4640] Modules linked in: [ 74.622522][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.623956][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 74.625635][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.627016][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.628059][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.629044][ T4640] sp : ffff80001f8b6f80 [ 74.629772][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e27fd260 x27: ffff80001f8b74d8 [ 74.631440][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000de172820 [ 74.632863][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000ce450068 [ 74.634465][ T4640] x20: ffff0000de172820 x19: ffff0000ce450000 x18: 0000000000000001 [ 74.635879][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 74.637486][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 74.639003][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 74.640657][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.642238][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 74.643621][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.644993][ T4640] Call trace: [ 74.645542][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.646464][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 74.647357][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 74.648315][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 74.649268][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 74.650261][ T4640] ext4_dirty_inode+0xd4/0x110 [ 74.651096][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 74.651977][ T4640] iput+0x1bc/0x770 [ 74.652658][ T4640] dentry_unlink_inode+0x360/0x438 [ 74.653558][ T4640] __dentry_kill+0x318/0x590 [ 74.654346][ T4640] shrink_dentry_list+0x404/0x7d0 [ 74.655174][ T4640] shrink_dcache_parent+0xb0/0x364 [ 74.656073][ T4640] do_one_tree+0x2c/0xf4 [ 74.656794][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 74.657730][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 74.658591][ T4640] kill_block_super+0x78/0xe0 [ 74.659347][ T4640] deactivate_locked_super+0xc0/0x13c [ 74.660252][ T4640] deactivate_super+0xf0/0x110 [ 74.661122][ T4640] cleanup_mnt+0x3bc/0x470 [ 74.661893][ T4640] __cleanup_mnt+0x20/0x30 [ 74.662823][ T4640] task_work_run+0x13c/0x1e8 [ 74.663793][ T4640] do_notify_resume+0x2488/0x30a8 [ 74.664833][ T4640] el0_svc+0xf0/0x1d0 [ 74.665625][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 74.666673][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 74.667606][ T4640] irq event stamp: 402302 [ 74.668474][ T4640] hardirqs last enabled at (402301): [] __up_console_sem+0xb4/0xfc [ 74.670234][ T4640] hardirqs last disabled at (402302): [] el1_dbg+0x24/0x80 [ 74.671865][ T4640] softirqs last enabled at (401958): [] local_bh_enable+0x10/0x34 [ 74.673558][ T4640] softirqs last disabled at (401956): [] local_bh_disable+0x10/0x34 [ 74.675266][ T4640] ---[ end trace 38e729154f41e102 ]--- [ 74.776249][ T4936] 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. [ 74.786144][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.788060][ T4640] ------------[ cut here ]------------ [ 74.788916][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.790461][ T4640] Modules linked in: [ 74.791094][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.792605][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 74.794176][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.795443][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.796406][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.797558][ T4640] sp : ffff80001f8b6f80 [ 74.798280][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e27fa088 x27: ffff80001f8b74d8 [ 74.799665][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000ca584820 [ 74.801005][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000e7822068 [ 74.802331][ T4640] x20: ffff0000ca584820 x19: ffff0000e7822000 x18: 0000000000000001 [ 74.803697][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 74.805203][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 74.806683][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 74.808024][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.809427][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 74.810941][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.812379][ T4640] Call trace: [ 74.812941][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.813837][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 74.814875][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 74.815908][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 74.816905][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 74.817907][ T4640] ext4_dirty_inode+0xd4/0x110 [ 74.818887][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 74.819946][ T4640] iput+0x1bc/0x770 [ 74.820674][ T4640] dentry_unlink_inode+0x360/0x438 [ 74.821611][ T4640] __dentry_kill+0x318/0x590 [ 74.822372][ T4640] shrink_dentry_list+0x404/0x7d0 [ 74.823211][ T4640] shrink_dcache_parent+0xb0/0x364 [ 74.824070][ T4640] do_one_tree+0x2c/0xf4 [ 74.824925][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 74.826037][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 74.827106][ T4640] kill_block_super+0x78/0xe0 [ 74.827999][ T4640] deactivate_locked_super+0xc0/0x13c [ 74.828917][ T4640] deactivate_super+0xf0/0x110 [ 74.829776][ T4640] cleanup_mnt+0x3bc/0x470 [ 74.830521][ T4640] __cleanup_mnt+0x20/0x30 [ 74.831279][ T4640] task_work_run+0x13c/0x1e8 [ 74.832072][ T4640] do_notify_resume+0x2488/0x30a8 [ 74.833064][ T4640] el0_svc+0xf0/0x1d0 [ 74.833896][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 74.834946][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 74.835792][ T4640] irq event stamp: 407176 [ 74.836630][ T4640] hardirqs last enabled at (407175): [] __up_console_sem+0xb4/0xfc [ 74.838285][ T4640] hardirqs last disabled at (407176): [] el1_dbg+0x24/0x80 [ 74.839766][ T4640] softirqs last enabled at (406826): [] local_bh_enable+0x10/0x34 [ 74.844603][ T4640] softirqs last disabled at (406824): [] local_bh_disable+0x10/0x34 [ 74.846298][ T4640] ---[ end trace 38e729154f41e103 ]--- [ 75.016335][ T4940] 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. [ 75.026249][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.028076][ T4640] ------------[ cut here ]------------ [ 75.028914][ T4640] WARNING: CPU: 1 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.030491][ T4640] Modules linked in: [ 75.031209][ T4640] CPU: 1 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.032910][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 75.034772][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.036254][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.037258][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.038220][ T4640] sp : ffff80001f8b6f80 [ 75.038898][ T4640] x29: ffff80001f8b71c0 x28: ffff0000e253f048 x27: ffff80001f8b74d8 [ 75.040265][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000ce8f6820 [ 75.041641][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000dad2a068 [ 75.042961][ T4640] x20: ffff0000ce8f6820 x19: ffff0000dad2a000 x18: 0000000000000001 [ 75.044273][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 75.045699][ T4640] x14: 0000000000000001 x13: 1fffe000341d20d7 x12: 0000000000000000 [ 75.046971][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 75.048300][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.049651][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 75.050955][ T4640] x2 : ffff0001a0e84d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.052327][ T4640] Call trace: [ 75.052892][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.053752][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 75.054614][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 75.055574][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 75.056506][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 75.057426][ T4640] ext4_dirty_inode+0xd4/0x110 [ 75.058256][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 75.059105][ T4640] iput+0x1bc/0x770 [ 75.059751][ T4640] dentry_unlink_inode+0x360/0x438 [ 75.060659][ T4640] __dentry_kill+0x318/0x590 [ 75.061415][ T4640] shrink_dentry_list+0x404/0x7d0 [ 75.062184][ T4640] shrink_dcache_parent+0xb0/0x364 [ 75.063024][ T4640] do_one_tree+0x2c/0xf4 [ 75.063678][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 75.064604][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 75.065519][ T4640] kill_block_super+0x78/0xe0 [ 75.066291][ T4640] deactivate_locked_super+0xc0/0x13c [ 75.067155][ T4640] deactivate_super+0xf0/0x110 [ 75.067952][ T4640] cleanup_mnt+0x3bc/0x470 [ 75.068642][ T4640] __cleanup_mnt+0x20/0x30 [ 75.069424][ T4640] task_work_run+0x13c/0x1e8 [ 75.070233][ T4640] do_notify_resume+0x2488/0x30a8 [ 75.071045][ T4640] el0_svc+0xf0/0x1d0 [ 75.071719][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 75.072549][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 75.073295][ T4640] irq event stamp: 412446 [ 75.074003][ T4640] hardirqs last enabled at (412445): [] __up_console_sem+0xb4/0xfc [ 75.075610][ T4640] hardirqs last disabled at (412446): [] el1_dbg+0x24/0x80 [ 75.077083][ T4640] softirqs last enabled at (412122): [] local_bh_enable+0x10/0x34 [ 75.078756][ T4640] softirqs last disabled at (412120): [] local_bh_disable+0x10/0x34 [ 75.080468][ T4640] ---[ end trace 38e729154f41e104 ]--- [ 75.227598][ T4944] 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. [ 75.237887][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.240016][ T4640] ------------[ cut here ]------------ [ 75.240881][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.242476][ T4640] Modules linked in: [ 75.243145][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.244647][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 75.246486][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.247781][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.248736][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.249723][ T4640] sp : ffff80001f8b6f80 [ 75.250403][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc0c868 x27: ffff80001f8b74d8 [ 75.251768][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000d6f19020 [ 75.253118][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000d95ca068 [ 75.254430][ T4640] x20: ffff0000d6f19020 x19: ffff0000d95ca000 x18: 1fffe000341cc796 [ 75.255762][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 75.257177][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 75.258578][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 75.260092][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.261392][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 75.262789][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.264089][ T4640] Call trace: [ 75.264649][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.265636][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 75.266562][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 75.267583][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 75.268503][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 75.269395][ T4640] ext4_dirty_inode+0xd4/0x110 [ 75.270209][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 75.271054][ T4640] iput+0x1bc/0x770 [ 75.271651][ T4640] dentry_unlink_inode+0x360/0x438 [ 75.272466][ T4640] __dentry_kill+0x318/0x590 [ 75.273252][ T4640] shrink_dentry_list+0x404/0x7d0 [ 75.274125][ T4640] shrink_dcache_parent+0xb0/0x364 [ 75.275004][ T4640] do_one_tree+0x2c/0xf4 [ 75.275735][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 75.276694][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 75.277604][ T4640] kill_block_super+0x78/0xe0 [ 75.278405][ T4640] deactivate_locked_super+0xc0/0x13c [ 75.279340][ T4640] deactivate_super+0xf0/0x110 [ 75.280135][ T4640] cleanup_mnt+0x3bc/0x470 [ 75.280925][ T4640] __cleanup_mnt+0x20/0x30 [ 75.281616][ T4640] task_work_run+0x13c/0x1e8 [ 75.282333][ T4640] do_notify_resume+0x2488/0x30a8 [ 75.283355][ T4640] el0_svc+0xf0/0x1d0 [ 75.284044][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 75.284913][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 75.285664][ T4640] irq event stamp: 418142 [ 75.286350][ T4640] hardirqs last enabled at (418141): [] finish_lock_switch+0xb0/0x1c8 [ 75.288012][ T4640] hardirqs last disabled at (418142): [] el1_dbg+0x24/0x80 [ 75.289489][ T4640] softirqs last enabled at (417798): [] local_bh_enable+0x10/0x34 [ 75.291101][ T4640] softirqs last disabled at (417796): [] local_bh_disable+0x10/0x34 [ 75.292808][ T4640] ---[ end trace 38e729154f41e105 ]--- [ 75.386850][ T4948] 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. [ 75.396250][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.398078][ T4640] ------------[ cut here ]------------ [ 75.399004][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.400618][ T4640] Modules linked in: [ 75.401309][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.402705][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 75.404514][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.405858][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.406872][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.408046][ T4640] sp : ffff80001f8b6f80 [ 75.408888][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc0b478 x27: ffff80001f8b74d8 [ 75.410396][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000dbf63820 [ 75.411803][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000c264a068 [ 75.413364][ T4640] x20: ffff0000dbf63820 x19: ffff0000c264a000 x18: 0000000000000001 [ 75.414864][ T4640] x17: 6572203a38323431 x16: ffff80001135fda8 x15: 65646f6e695f7274 [ 75.416489][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 75.417813][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 75.419143][ T4640] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.420594][ T4640] x5 : ffff80001f8b6758 x4 : ffff80001447f520 x3 : ffff80000a7a5b68 [ 75.421973][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.423389][ T4640] Call trace: [ 75.423971][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.424929][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 75.425821][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 75.426851][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 75.427851][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 75.428826][ T4640] ext4_dirty_inode+0xd4/0x110 [ 75.429766][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 75.430582][ T4640] iput+0x1bc/0x770 [ 75.431204][ T4640] dentry_unlink_inode+0x360/0x438 [ 75.432082][ T4640] __dentry_kill+0x318/0x590 [ 75.432809][ T4640] shrink_dentry_list+0x404/0x7d0 [ 75.433626][ T4640] shrink_dcache_parent+0xb0/0x364 [ 75.434520][ T4640] do_one_tree+0x2c/0xf4 [ 75.435174][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 75.436089][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 75.436922][ T4640] kill_block_super+0x78/0xe0 [ 75.437696][ T4640] deactivate_locked_super+0xc0/0x13c [ 75.438552][ T4640] deactivate_super+0xf0/0x110 [ 75.439327][ T4640] cleanup_mnt+0x3bc/0x470 [ 75.440065][ T4640] __cleanup_mnt+0x20/0x30 [ 75.440953][ T4640] task_work_run+0x13c/0x1e8 [ 75.441782][ T4640] do_notify_resume+0x2488/0x30a8 [ 75.442721][ T4640] el0_svc+0xf0/0x1d0 [ 75.443415][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 75.444271][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 75.445015][ T4640] irq event stamp: 422984 [ 75.445727][ T4640] hardirqs last enabled at (422983): [] __up_console_sem+0xb4/0xfc [ 75.447332][ T4640] hardirqs last disabled at (422984): [] el1_dbg+0x24/0x80 [ 75.448831][ T4640] softirqs last enabled at (422640): [] local_bh_enable+0x10/0x34 [ 75.450499][ T4640] softirqs last disabled at (422638): [] local_bh_disable+0x10/0x34 [ 75.452133][ T4640] ---[ end trace 38e729154f41e106 ]--- [ 75.688575][ T4952] 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. [ 75.697501][ T4640] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.699960][ T4640] ------------[ cut here ]------------ [ 75.700926][ T4640] WARNING: CPU: 0 PID: 4640 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.702632][ T4640] Modules linked in: [ 75.703346][ T4640] CPU: 0 PID: 4640 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.704981][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 75.706821][ T4640] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.708319][ T4640] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.709350][ T4640] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.710313][ T4640] sp : ffff80001f8b6f80 [ 75.711044][ T4640] x29: ffff80001f8b71c0 x28: ffff0000ebc0a088 x27: ffff80001f8b74d8 [ 75.712469][ T4640] x26: dfff800000000000 x25: ffff700003f16e18 x24: ffff0000dd1f9820 [ 75.713921][ T4640] x23: 1ffff00003f16e5f x22: ffff80001f8b72f8 x21: ffff0000e9896068 [ 75.715430][ T4640] x20: ffff0000dd1f9820 x19: ffff0000e9896000 x18: 1fffe000341cc796 [ 75.716890][ T4640] x17: 0000000000000003 x16: ffff80001135fda8 x15: ffff80001439d000 [ 75.718221][ T4640] x14: 0000000000000001 x13: 1fffe000341cded7 x12: 0000000000000000 [ 75.719642][ T4640] x11: ff80800008300a40 x10: 0000000000000000 x9 : 9511ef5910b27b00 [ 75.721029][ T4640] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.722402][ T4640] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7a5b68 [ 75.723803][ T4640] x2 : ffff0001a0e63d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.725142][ T4640] Call trace: [ 75.725754][ T4640] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.726686][ T4640] ext4_xattr_block_set+0x540/0x2738 [ 75.727673][ T4640] ext4_expand_extra_isize_ea+0xc38/0x1518 [ 75.728690][ T4640] __ext4_expand_extra_isize+0x294/0x358 [ 75.729661][ T4640] __ext4_mark_inode_dirty+0x428/0x7ec [ 75.730634][ T4640] ext4_dirty_inode+0xd4/0x110 [ 75.731468][ T4640] __mark_inode_dirty+0x2b0/0xfac [ 75.732355][ T4640] iput+0x1bc/0x770 [ 75.733001][ T4640] dentry_unlink_inode+0x360/0x438 [ 75.733930][ T4640] __dentry_kill+0x318/0x590 [ 75.734703][ T4640] shrink_dentry_list+0x404/0x7d0 [ 75.735542][ T4640] shrink_dcache_parent+0xb0/0x364 [ 75.736394][ T4640] do_one_tree+0x2c/0xf4 [ 75.737101][ T4640] shrink_dcache_for_umount+0x6c/0x118 [ 75.738009][ T4640] generic_shutdown_super+0x6c/0x2f8 [ 75.738972][ T4640] kill_block_super+0x78/0xe0 [ 75.739811][ T4640] deactivate_locked_super+0xc0/0x13c [ 75.740754][ T4640] deactivate_super+0xf0/0x110 [ 75.741566][ T4640] cleanup_mnt+0x3bc/0x470 [ 75.742350][ T4640] __cleanup_mnt+0x20/0x30 [ 75.743126][ T4640] task_work_run+0x13c/0x1e8 [ 75.743946][ T4640] do_notify_resume+0x2488/0x30a8 [ 75.744788][ T4640] el0_svc+0xf0/0x1d0 [ 75.745478][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 75.746461][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 75.747213][ T4640] irq event stamp: 428076 [ 75.747936][ T4640] hardirqs last enabled at (428075): [] finish_lock_switch+0xb0/0x1c8 [ 75.749676][ T4640] hardirqs last disabled at (428076): [] el1_dbg+0x24/0x80 [ 75.751327][ T4640] softirqs last enabled at (428070): [] handle_softirqs+0xa70/0xc14 [ 75.753034][ T4640] softirqs last disabled at (427963): [] __irq_exit_rcu+0x240/0x434 [ 75.754633][ T4640] ---[ end trace 38e729154f41e107 ]---