[ 50.479333][ T9] device bridge_slave_0 left promiscuous mode [ 50.480831][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.598000][ T9] device veth1_macvtap left promiscuous mode [ 50.599385][ T9] device veth0_macvtap left promiscuous mode [ 50.600686][ T9] device veth1_vlan left promiscuous mode [ 50.602036][ T9] device veth0_vlan left promiscuous mode [ 50.732267][ T9] team0 (unregistering): Port device team_slave_1 removed [ 50.737417][ T9] team0 (unregistering): Port device team_slave_0 removed [ 50.746397][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.782481][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.923610][ T9] bond0 (unregistering): Released all slaves [ 53.582084][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.631723][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.681526][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.722751][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.1.168' (ED25519) to the list of known hosts. [ 56.324820][ T9] device hsr_slave_0 left promiscuous mode [ 56.388129][ T9] device hsr_slave_1 left promiscuous mode 1970/01/01 00:00:56 parsed 1 programs [ 56.477875][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 56.479567][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 56.482033][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 56.483441][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 56.485114][ T9] device bridge_slave_1 left promiscuous mode [ 56.486467][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.538393][ T9] device bridge_slave_0 left promiscuous mode [ 56.539753][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.677868][ T9] device veth1_macvtap left promiscuous mode [ 56.679364][ T9] device veth0_macvtap left promiscuous mode [ 56.680734][ T9] device veth1_vlan left promiscuous mode [ 56.681999][ T9] device veth0_vlan left promiscuous mode [ 56.815153][ T9] team0 (unregistering): Port device team_slave_1 removed [ 56.824603][ T9] team0 (unregistering): Port device team_slave_0 removed [ 56.829950][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 56.863616][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 56.982274][ T9] bond0 (unregistering): Released all slaves [ 57.642278][ T4408] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.926329][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.929896][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.936058][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.944282][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.945967][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.948145][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.796141][ T4463] chnl_net:caif_netlink_parms(): no params data found [ 59.817631][ T4463] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.819938][ T4463] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.821808][ T4463] device bridge_slave_0 entered promiscuous mode [ 59.824224][ T4463] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.825832][ T4463] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.828698][ T4463] device bridge_slave_1 entered promiscuous mode [ 59.840583][ T4463] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.843860][ T4463] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.853999][ T4463] team0: Port device team_slave_0 added [ 59.857077][ T4463] team0: Port device team_slave_1 added [ 59.865834][ T4463] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.867274][ T4463] 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. [ 59.873519][ T4463] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.876727][ T4463] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.879042][ T4463] 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. [ 59.884186][ T4463] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.941077][ T4463] device hsr_slave_0 entered promiscuous mode [ 59.988140][ T4463] device hsr_slave_1 entered promiscuous mode [ 60.614823][ T4463] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.639299][ T4463] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.681040][ T4463] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.709590][ T4463] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.783692][ T4463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.790389][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.792435][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.796035][ T4463] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.800645][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.802736][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.804509][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.805979][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.814007][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.815861][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.818546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.820455][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.821903][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.823646][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.825734][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.840921][ T4463] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.843232][ T4463] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.845954][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.850427][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.853009][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.855367][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.857259][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.860809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.862795][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.865198][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.870215][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.872281][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.915983][ T4463] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.918445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.919977][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.929041][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.937310][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.942181][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.943946][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.947432][ T4463] device veth0_vlan entered promiscuous mode [ 60.954122][ T4463] device veth1_vlan entered promiscuous mode [ 60.963263][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.965288][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.967189][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.970883][ T4463] device veth0_macvtap entered promiscuous mode [ 60.973590][ T4463] device veth1_macvtap entered promiscuous mode [ 60.981552][ T4463] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.982936][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.985153][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.987151][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.990730][ T4463] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.993585][ T4463] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.995414][ T4463] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.997010][ T4463] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.999954][ T4463] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.002510][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.004573][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:01 executed programs: 0 [ 61.418237][ T4634] chnl_net:caif_netlink_parms(): no params data found [ 61.438403][ T4634] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.439936][ T4634] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.441948][ T4634] device bridge_slave_0 entered promiscuous mode [ 61.444461][ T4634] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.445921][ T4634] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.448226][ T4634] device bridge_slave_1 entered promiscuous mode [ 61.457063][ T4634] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.480989][ T4634] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.493141][ T4634] team0: Port device team_slave_0 added [ 61.495802][ T4634] team0: Port device team_slave_1 added [ 61.505259][ T4634] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.506743][ T4634] 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. [ 61.515117][ T4634] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.519940][ T4634] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.521369][ T4634] 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. [ 61.526795][ T4634] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.560053][ T4634] device hsr_slave_0 entered promiscuous mode [ 61.598583][ T4634] device hsr_slave_1 entered promiscuous mode [ 61.628682][ T4634] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.630206][ T4634] Cannot create hsr debugfs directory [ 61.672882][ T4634] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.387895][ T4176] Bluetooth: hci0: command 0x0409 tx timeout [ 63.842119][ T4634] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.467729][ T4509] Bluetooth: hci0: command 0x041b tx timeout [ 66.542221][ T4634] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.602420][ T4634] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.741852][ T4634] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.789385][ T4634] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.844826][ T4634] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.879363][ T4634] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.962118][ T4634] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.966446][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.971100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.984697][ T4634] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.987674][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.989741][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.991569][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.992914][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.994536][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.998461][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.000552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.002318][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.003791][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.006677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.010613][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.013919][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.016027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.019525][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.027355][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.030326][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.033749][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.035612][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.040125][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.041945][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.045099][ T4634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.088857][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.090500][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.094288][ T4634] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.102714][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.104902][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.118825][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.120950][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.123062][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.124661][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.126997][ T4634] device veth0_vlan entered promiscuous mode [ 67.132175][ T4634] device veth1_vlan entered promiscuous mode [ 67.140266][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.142394][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.144271][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.146163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.149983][ T4634] device veth0_macvtap entered promiscuous mode [ 67.152825][ T4634] device veth1_macvtap entered promiscuous mode [ 67.159145][ T4634] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.161178][ T4634] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.163689][ T4634] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.165229][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.167242][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.171311][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.173245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.176262][ T4634] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.178802][ T4634] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.181482][ T4634] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.183038][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.185123][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.188274][ T4634] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.189923][ T4634] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.191832][ T4634] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.193663][ T4634] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.216915][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.220227][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.221951][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.235830][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.237560][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.240057][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:07 executed programs: 2 [ 67.263062][ T4752] loop0: detected capacity change from 0 to 1024 [ 67.292469][ T4752] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 67.303888][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.307149][ T4634] ------------[ cut here ]------------ [ 67.308285][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.310360][ T4634] Modules linked in: [ 67.311212][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Not tainted syzkaller #0 [ 67.312897][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 67.314982][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.316587][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.317732][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.318892][ T4634] sp : ffff80001fff6f80 [ 67.319735][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8ec868 x27: ffff80001fff74d8 [ 67.321341][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000c9c1d820 [ 67.323020][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d60da068 [ 67.324649][ T4634] x20: ffff0000c9c1d820 x19: ffff0000d60da000 x18: 1fffe000341c1596 [ 67.326331][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: 000000000004ffff [ 67.327967][ T4634] x14: 0000000000000001 x13: 1fffe000341c15ab x12: 0000000000000000 [ 67.329580][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 67.331191][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.332684][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008512750 [ 67.334263][ T4634] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.335893][ T4634] Call trace: [ 67.336572][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.337675][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 67.338710][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 67.339865][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 67.341024][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 67.342093][ T4634] ext4_dirty_inode+0xd4/0x110 [ 67.342966][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 67.343889][ T4634] iput+0x1bc/0x770 [ 67.344635][ T4634] dentry_unlink_inode+0x360/0x438 [ 67.345660][ T4634] __dentry_kill+0x318/0x590 [ 67.346604][ T4634] shrink_dentry_list+0x404/0x7d0 [ 67.347636][ T4634] shrink_dcache_parent+0xb0/0x364 [ 67.348716][ T4634] do_one_tree+0x2c/0xf4 [ 67.349600][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 67.350733][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 67.351862][ T4634] kill_block_super+0x78/0xe0 [ 67.352827][ T4634] deactivate_locked_super+0xc0/0x13c [ 67.353943][ T4634] deactivate_super+0xf0/0x110 [ 67.354905][ T4634] cleanup_mnt+0x3bc/0x470 [ 67.355709][ T4634] __cleanup_mnt+0x20/0x30 [ 67.356593][ T4634] task_work_run+0x13c/0x1e8 [ 67.357541][ T4634] do_notify_resume+0x2488/0x30a8 [ 67.358555][ T4634] el0_svc+0xf4/0x1d4 [ 67.359348][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 67.360371][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 67.361269][ T4634] irq event stamp: 168206 [ 67.362138][ T4634] hardirqs last enabled at (168205): [] finish_lock_switch+0xb0/0x1c8 [ 67.364091][ T4634] hardirqs last disabled at (168206): [] el1_dbg+0x24/0x80 [ 67.365894][ T4634] softirqs last enabled at (168200): [] handle_softirqs+0xa70/0xc14 [ 67.367911][ T4634] softirqs last disabled at (168165): [] __irq_exit_rcu+0x240/0x434 [ 67.369914][ T4634] ---[ end trace ed074a495c703ad6 ]--- [ 67.372135][ T4634] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2812: Unable to expand inode 14. Delete some EAs or run e2fsck. [ 67.423241][ T4757] loop0: detected capacity change from 0 to 1024 [ 67.470418][ T4757] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 67.480103][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.482454][ T4634] ------------[ cut here ]------------ [ 67.483489][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.485432][ T4634] Modules linked in: [ 67.486205][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.488001][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 67.490162][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.491919][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.493175][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.494366][ T4634] sp : ffff80001fff6f80 [ 67.495226][ T4634] x29: ffff80001fff71c0 x28: ffff0000de9082a0 x27: ffff80001fff74d8 [ 67.496946][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d5d46020 [ 67.498653][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000dcdea068 [ 67.500355][ T4634] x20: ffff0000d5d46020 x19: ffff0000dcdea000 x18: 0000000000000001 [ 67.502060][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 67.503761][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 67.505475][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 67.507192][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.508873][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 67.510559][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.512239][ T4634] Call trace: [ 67.512916][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.514000][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 67.515065][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 67.516265][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 67.517449][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 67.518562][ T4634] ext4_dirty_inode+0xd4/0x110 [ 67.519536][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 67.520542][ T4634] iput+0x1bc/0x770 [ 67.521345][ T4634] dentry_unlink_inode+0x360/0x438 [ 67.522360][ T4634] __dentry_kill+0x318/0x590 [ 67.523302][ T4634] shrink_dentry_list+0x404/0x7d0 [ 67.524363][ T4634] shrink_dcache_parent+0xb0/0x364 [ 67.525448][ T4634] do_one_tree+0x2c/0xf4 [ 67.526346][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 67.527464][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 67.528542][ T4634] kill_block_super+0x78/0xe0 [ 67.529500][ T4634] deactivate_locked_super+0xc0/0x13c [ 67.530599][ T4634] deactivate_super+0xf0/0x110 [ 67.531558][ T4634] cleanup_mnt+0x3bc/0x470 [ 67.532417][ T4634] __cleanup_mnt+0x20/0x30 [ 67.533299][ T4634] task_work_run+0x13c/0x1e8 [ 67.534212][ T4634] do_notify_resume+0x2488/0x30a8 [ 67.535241][ T4634] el0_svc+0xf4/0x1d4 [ 67.536058][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 67.537091][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 67.538029][ T4634] irq event stamp: 174088 [ 67.538885][ T4634] hardirqs last enabled at (174087): [] __up_console_sem+0xb4/0xfc [ 67.540816][ T4634] hardirqs last disabled at (174088): [] el1_dbg+0x24/0x80 [ 67.542575][ T4634] softirqs last enabled at (173990): [] local_bh_enable+0x10/0x34 [ 67.544533][ T4634] softirqs last disabled at (173988): [] local_bh_disable+0x10/0x34 [ 67.546517][ T4634] ---[ end trace ed074a495c703ad7 ]--- [ 67.548282][ T4519] Bluetooth: hci0: command 0x040f tx timeout [ 67.585336][ T4761] loop0: detected capacity change from 0 to 1024 [ 67.599060][ T4761] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 67.611965][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.614503][ T4634] ------------[ cut here ]------------ [ 67.615615][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.617476][ T4634] Modules linked in: [ 67.618271][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.620097][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 67.622210][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.623824][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.625029][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.626181][ T4634] sp : ffff80001fff6f80 [ 67.627035][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8ee650 x27: ffff80001fff74d8 [ 67.628686][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d6e3d820 [ 67.630328][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d3da8068 [ 67.632247][ T4634] x20: ffff0000d6e3d820 x19: ffff0000d3da8000 x18: 0000000000000001 [ 67.633966][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 67.635635][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 67.637377][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 67.639084][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.640740][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 67.642456][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.644124][ T4634] Call trace: [ 67.644797][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.645915][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 67.647015][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 67.648210][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 67.649338][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 67.650437][ T4634] ext4_dirty_inode+0xd4/0x110 [ 67.651500][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 67.652463][ T4634] iput+0x1bc/0x770 [ 67.653302][ T4634] dentry_unlink_inode+0x360/0x438 [ 67.654416][ T4634] __dentry_kill+0x318/0x590 [ 67.655455][ T4634] shrink_dentry_list+0x404/0x7d0 [ 67.656533][ T4634] shrink_dcache_parent+0xb0/0x364 [ 67.657569][ T4634] do_one_tree+0x2c/0xf4 [ 67.658451][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 67.659616][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 67.660708][ T4634] kill_block_super+0x78/0xe0 [ 67.661665][ T4634] deactivate_locked_super+0xc0/0x13c [ 67.662748][ T4634] deactivate_super+0xf0/0x110 [ 67.663708][ T4634] cleanup_mnt+0x3bc/0x470 [ 67.664588][ T4634] __cleanup_mnt+0x20/0x30 [ 67.665481][ T4634] task_work_run+0x13c/0x1e8 [ 67.666394][ T4634] do_notify_resume+0x2488/0x30a8 [ 67.667372][ T4634] el0_svc+0xf4/0x1d4 [ 67.668192][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 67.669212][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 67.670126][ T4634] irq event stamp: 179522 [ 67.671001][ T4634] hardirqs last enabled at (179521): [] __up_console_sem+0xb4/0xfc [ 67.672930][ T4634] hardirqs last disabled at (179522): [] el1_dbg+0x24/0x80 [ 67.674743][ T4634] softirqs last enabled at (179442): [] local_bh_enable+0x10/0x34 [ 67.676634][ T4634] softirqs last disabled at (179440): [] local_bh_disable+0x10/0x34 [ 67.678507][ T4634] ---[ end trace ed074a495c703ad8 ]--- [ 67.741791][ T4765] loop0: detected capacity change from 0 to 1024 [ 67.809676][ T4765] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 67.821443][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.823787][ T4634] ------------[ cut here ]------------ [ 67.824870][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.826761][ T4634] Modules linked in: [ 67.827527][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.829360][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 67.831449][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.833131][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 67.834328][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 67.835560][ T4634] sp : ffff80001fff6f80 [ 67.836431][ T4634] x29: ffff80001fff71c0 x28: ffff0000de90c868 x27: ffff80001fff74d8 [ 67.838165][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d6b23820 [ 67.839817][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d7180068 [ 67.841454][ T4634] x20: ffff0000d6b23820 x19: ffff0000d7180000 x18: 0000000000000001 [ 67.843079][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 67.844774][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 67.846385][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 67.848070][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.849701][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 67.851352][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 67.853044][ T4634] Call trace: [ 67.853703][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 67.854809][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 67.855909][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 67.857105][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 67.858265][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 67.859420][ T4634] ext4_dirty_inode+0xd4/0x110 [ 67.860429][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 67.861499][ T4634] iput+0x1bc/0x770 [ 67.862303][ T4634] dentry_unlink_inode+0x360/0x438 [ 67.863349][ T4634] __dentry_kill+0x318/0x590 [ 67.864295][ T4634] shrink_dentry_list+0x404/0x7d0 [ 67.865316][ T4634] shrink_dcache_parent+0xb0/0x364 [ 67.866344][ T4634] do_one_tree+0x2c/0xf4 [ 67.867255][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 67.868398][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 67.869540][ T4634] kill_block_super+0x78/0xe0 [ 67.870506][ T4634] deactivate_locked_super+0xc0/0x13c [ 67.871630][ T4634] deactivate_super+0xf0/0x110 [ 67.872601][ T4634] cleanup_mnt+0x3bc/0x470 [ 67.873497][ T4634] __cleanup_mnt+0x20/0x30 [ 67.874398][ T4634] task_work_run+0x13c/0x1e8 [ 67.875330][ T4634] do_notify_resume+0x2488/0x30a8 [ 67.876333][ T4634] el0_svc+0xf4/0x1d4 [ 67.877163][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 67.878210][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 67.879169][ T4634] irq event stamp: 184710 [ 67.880061][ T4634] hardirqs last enabled at (184709): [] __up_console_sem+0xb4/0xfc [ 67.882036][ T4634] hardirqs last disabled at (184710): [] el1_dbg+0x24/0x80 [ 67.883891][ T4634] softirqs last enabled at (184638): [] local_bh_enable+0x10/0x34 [ 67.885836][ T4634] softirqs last disabled at (184636): [] local_bh_disable+0x10/0x34 [ 67.887889][ T4634] ---[ end trace ed074a495c703ad9 ]--- [ 67.931852][ T4769] loop0: detected capacity change from 0 to 1024 [ 67.981005][ T148] device hsr_slave_0 left promiscuous mode [ 67.981129][ T4769] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 67.992397][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 67.994690][ T4634] ------------[ cut here ]------------ [ 67.995773][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 67.997722][ T4634] Modules linked in: [ 67.998553][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.000417][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 68.002522][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.004119][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.005231][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.006413][ T4634] sp : ffff80001fff6f80 [ 68.007282][ T4634] x29: ffff80001fff71c0 x28: ffff0000dea5be70 x27: ffff80001fff74d8 [ 68.008941][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d84c8020 [ 68.010622][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000de17a068 [ 68.012500][ T4634] x20: ffff0000d84c8020 x19: ffff0000de17a000 x18: 0000000000000001 [ 68.014318][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 68.016237][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 68.018120][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 68.019846][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.021562][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 68.023273][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.024992][ T4634] Call trace: [ 68.025684][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.026846][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 68.027968][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 68.029364][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 68.030658][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 68.031802][ T4634] ext4_dirty_inode+0xd4/0x110 [ 68.032795][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 68.033857][ T4634] iput+0x1bc/0x770 [ 68.034593][ T4634] dentry_unlink_inode+0x360/0x438 [ 68.035618][ T4634] __dentry_kill+0x318/0x590 [ 68.036565][ T4634] shrink_dentry_list+0x404/0x7d0 [ 68.037602][ T4634] shrink_dcache_parent+0xb0/0x364 [ 68.038674][ T4634] do_one_tree+0x2c/0xf4 [ 68.039562][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 68.040680][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 68.041778][ T4634] kill_block_super+0x78/0xe0 [ 68.042730][ T4634] deactivate_locked_super+0xc0/0x13c [ 68.043823][ T4634] deactivate_super+0xf0/0x110 [ 68.044809][ T4634] cleanup_mnt+0x3bc/0x470 [ 68.045702][ T4634] __cleanup_mnt+0x20/0x30 [ 68.046592][ T4634] task_work_run+0x13c/0x1e8 [ 68.047526][ T4634] do_notify_resume+0x2488/0x30a8 [ 68.048592][ T4634] el0_svc+0xf4/0x1d4 [ 68.049440][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 68.050479][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 68.051420][ T4634] irq event stamp: 190358 [ 68.052312][ T4634] hardirqs last enabled at (190357): [] __up_console_sem+0xb4/0xfc [ 68.054288][ T4634] hardirqs last disabled at (190358): [] el1_dbg+0x24/0x80 [ 68.056128][ T4634] softirqs last enabled at (190276): [] local_bh_enable+0x10/0x34 [ 68.058107][ T4634] softirqs last disabled at (190274): [] local_bh_disable+0x10/0x34 [ 68.060090][ T4634] ---[ end trace ed074a495c703ada ]--- [ 68.078394][ T148] device hsr_slave_1 left promiscuous mode [ 68.104100][ T4773] loop0: detected capacity change from 0 to 1024 [ 68.147777][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 68.149388][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 68.151624][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 68.153133][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 68.155046][ T148] device bridge_slave_1 left promiscuous mode [ 68.156380][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.170204][ T4773] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 68.179973][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.182530][ T4634] ------------[ cut here ]------------ [ 68.183703][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.185620][ T4634] Modules linked in: [ 68.186438][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.188265][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 68.190318][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.191975][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.193287][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.194481][ T4634] sp : ffff80001fff6f80 [ 68.195460][ T4634] x29: ffff80001fff71c0 x28: ffff0000f0012088 x27: ffff80001fff74d8 [ 68.196986][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d817c020 [ 68.198777][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d884c068 [ 68.200458][ T4634] x20: ffff0000d817c020 x19: ffff0000d884c000 x18: 1fffe000341c5796 [ 68.202127][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 68.203759][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 68.205431][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 68.207113][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 68.208847][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 68.210562][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.212467][ T4634] Call trace: [ 68.213247][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.214442][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 68.215550][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 68.216725][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 68.217891][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 68.219024][ T4634] ext4_dirty_inode+0xd4/0x110 [ 68.220022][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 68.221057][ T4634] iput+0x1bc/0x770 [ 68.221733][ T4634] dentry_unlink_inode+0x360/0x438 [ 68.222660][ T4634] __dentry_kill+0x318/0x590 [ 68.223605][ T4634] shrink_dentry_list+0x404/0x7d0 [ 68.224639][ T4634] shrink_dcache_parent+0xb0/0x364 [ 68.225738][ T4634] do_one_tree+0x2c/0xf4 [ 68.226705][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 68.227800][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 68.229007][ T4634] kill_block_super+0x78/0xe0 [ 68.229956][ T4634] deactivate_locked_super+0xc0/0x13c [ 68.231074][ T4634] deactivate_super+0xf0/0x110 [ 68.232066][ T4634] cleanup_mnt+0x3bc/0x470 [ 68.232957][ T4634] __cleanup_mnt+0x20/0x30 [ 68.233849][ T4634] task_work_run+0x13c/0x1e8 [ 68.234789][ T4634] do_notify_resume+0x2488/0x30a8 [ 68.235771][ T4634] el0_svc+0xf4/0x1d4 [ 68.236636][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 68.237612][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 68.238516][ T4634] irq event stamp: 195956 [ 68.239418][ T4634] hardirqs last enabled at (195955): [] finish_lock_switch+0xb0/0x1c8 [ 68.241488][ T4634] hardirqs last disabled at (195956): [] el1_dbg+0x24/0x80 [ 68.243313][ T4634] softirqs last enabled at (195880): [] local_bh_enable+0x10/0x34 [ 68.245334][ T4634] softirqs last disabled at (195878): [] local_bh_disable+0x10/0x34 [ 68.247300][ T4634] ---[ end trace ed074a495c703adb ]--- [ 68.258418][ T148] device bridge_slave_0 left promiscuous mode [ 68.259821][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.283667][ T4777] loop0: detected capacity change from 0 to 1024 [ 68.359130][ T4777] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 68.371375][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.373868][ T4634] ------------[ cut here ]------------ [ 68.375014][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.376902][ T4634] Modules linked in: [ 68.377651][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.379525][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 68.381589][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.383207][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.384415][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.385591][ T4634] sp : ffff80001fff6f80 [ 68.386406][ T4634] x29: ffff80001fff71c0 x28: ffff0000de9982a0 x27: ffff80001fff74d8 [ 68.388159][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d88ae020 [ 68.390006][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d86c8068 [ 68.391877][ T4634] x20: ffff0000d88ae020 x19: ffff0000d86c8000 x18: 0000000000000001 [ 68.393733][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 68.395481][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 68.397124][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 68.398742][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.400684][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 68.402642][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.404594][ T4634] Call trace: [ 68.405376][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.406667][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 68.407929][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 68.409282][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 68.410638][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 68.411786][ T4634] ext4_dirty_inode+0xd4/0x110 [ 68.412806][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 68.413873][ T4634] iput+0x1bc/0x770 [ 68.414714][ T4634] dentry_unlink_inode+0x360/0x438 [ 68.415789][ T4634] __dentry_kill+0x318/0x590 [ 68.416852][ T4634] shrink_dentry_list+0x404/0x7d0 [ 68.417936][ T4634] shrink_dcache_parent+0xb0/0x364 [ 68.418993][ T4634] do_one_tree+0x2c/0xf4 [ 68.419890][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 68.421045][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 68.422214][ T4634] kill_block_super+0x78/0xe0 [ 68.423211][ T4634] deactivate_locked_super+0xc0/0x13c [ 68.424354][ T4634] deactivate_super+0xf0/0x110 [ 68.425336][ T4634] cleanup_mnt+0x3bc/0x470 [ 68.426253][ T4634] __cleanup_mnt+0x20/0x30 [ 68.427189][ T4634] task_work_run+0x13c/0x1e8 [ 68.428164][ T4634] do_notify_resume+0x2488/0x30a8 [ 68.429256][ T4634] el0_svc+0xf4/0x1d4 [ 68.430105][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 68.431123][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 68.432044][ T4634] irq event stamp: 201938 [ 68.432902][ T4634] hardirqs last enabled at (201937): [] __up_console_sem+0xb4/0xfc [ 68.435060][ T4634] hardirqs last disabled at (201938): [] el1_dbg+0x24/0x80 [ 68.436943][ T4634] softirqs last enabled at (201854): [] local_bh_enable+0x10/0x34 [ 68.438962][ T4634] softirqs last disabled at (201852): [] local_bh_disable+0x10/0x34 [ 68.440987][ T4634] ---[ end trace ed074a495c703adc ]--- [ 68.447882][ T148] device veth1_macvtap left promiscuous mode [ 68.449201][ T148] device veth0_macvtap left promiscuous mode [ 68.450446][ T148] device veth1_vlan left promiscuous mode [ 68.451631][ T148] device veth0_vlan left promiscuous mode [ 68.480982][ T4781] loop0: detected capacity change from 0 to 1024 [ 68.511994][ T4781] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 68.535513][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.538247][ T4634] ------------[ cut here ]------------ [ 68.539361][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.541212][ T4634] Modules linked in: [ 68.541950][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.543742][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 68.545781][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.547320][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.548506][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.549734][ T4634] sp : ffff80001fff6f80 [ 68.550724][ T4634] x29: ffff80001fff71c0 x28: ffff0000f0062088 x27: ffff80001fff74d8 [ 68.552578][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000cbab0020 [ 68.554333][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d96ce068 [ 68.556129][ T4634] x20: ffff0000cbab0020 x19: ffff0000d96ce000 x18: 1fffe000341c1596 [ 68.557840][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 68.559527][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 68.561207][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 68.562847][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 68.564433][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 68.566042][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.567705][ T4634] Call trace: [ 68.568371][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.569463][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 68.570547][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 68.571747][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 68.572927][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 68.574052][ T4634] ext4_dirty_inode+0xd4/0x110 [ 68.575041][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 68.576086][ T4634] iput+0x1bc/0x770 [ 68.576858][ T4634] dentry_unlink_inode+0x360/0x438 [ 68.577889][ T4634] __dentry_kill+0x318/0x590 [ 68.578823][ T4634] shrink_dentry_list+0x404/0x7d0 [ 68.579819][ T4634] shrink_dcache_parent+0xb0/0x364 [ 68.580880][ T4634] do_one_tree+0x2c/0xf4 [ 68.581737][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 68.582880][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 68.583991][ T4634] kill_block_super+0x78/0xe0 [ 68.584969][ T4634] deactivate_locked_super+0xc0/0x13c [ 68.586086][ T4634] deactivate_super+0xf0/0x110 [ 68.587152][ T4634] cleanup_mnt+0x3bc/0x470 [ 68.588088][ T4634] __cleanup_mnt+0x20/0x30 [ 68.589058][ T4634] task_work_run+0x13c/0x1e8 [ 68.590095][ T4634] do_notify_resume+0x2488/0x30a8 [ 68.591170][ T4634] el0_svc+0xf4/0x1d4 [ 68.591976][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 68.593027][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 68.593961][ T4634] irq event stamp: 206860 [ 68.594910][ T4634] hardirqs last enabled at (206859): [] finish_lock_switch+0xb0/0x1c8 [ 68.597061][ T4634] hardirqs last disabled at (206860): [] el1_dbg+0x24/0x80 [ 68.598967][ T4634] softirqs last enabled at (206854): [] handle_softirqs+0xa70/0xc14 [ 68.601071][ T4634] softirqs last disabled at (206829): [] __irq_exit_rcu+0x240/0x434 [ 68.603056][ T4634] ---[ end trace ed074a495c703add ]--- [ 68.672301][ T148] team0 (unregistering): Port device team_slave_1 removed [ 68.675794][ T4785] loop0: detected capacity change from 0 to 1024 [ 68.685883][ T148] team0 (unregistering): Port device team_slave_0 removed [ 68.697311][ T4785] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 68.703572][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 68.709391][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.711760][ T4634] ------------[ cut here ]------------ [ 68.712744][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.714716][ T4634] Modules linked in: [ 68.715488][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.717390][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 68.719484][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.721244][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.722509][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.723704][ T4634] sp : ffff80001fff6f80 [ 68.724530][ T4634] x29: ffff80001fff71c0 x28: ffff0000f0065260 x27: ffff80001fff74d8 [ 68.726210][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000c4983820 [ 68.727913][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d8a84068 [ 68.729588][ T4634] x20: ffff0000c4983820 x19: ffff0000d8a84000 x18: 0000000000000001 [ 68.731293][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 68.733033][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 68.734753][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 68.736419][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.738141][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 68.739858][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.741556][ T4634] Call trace: [ 68.742242][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.743441][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 68.744583][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 68.745806][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 68.747015][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 68.748228][ T4634] ext4_dirty_inode+0xd4/0x110 [ 68.749256][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 68.750324][ T4634] iput+0x1bc/0x770 [ 68.751132][ T4634] dentry_unlink_inode+0x360/0x438 [ 68.752214][ T4634] __dentry_kill+0x318/0x590 [ 68.753157][ T4634] shrink_dentry_list+0x404/0x7d0 [ 68.754222][ T4634] shrink_dcache_parent+0xb0/0x364 [ 68.755301][ T4634] do_one_tree+0x2c/0xf4 [ 68.756216][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 68.757398][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 68.758563][ T4634] kill_block_super+0x78/0xe0 [ 68.759593][ T4634] deactivate_locked_super+0xc0/0x13c [ 68.760732][ T4634] deactivate_super+0xf0/0x110 [ 68.761733][ T4634] cleanup_mnt+0x3bc/0x470 [ 68.762687][ T4634] __cleanup_mnt+0x20/0x30 [ 68.763569][ T4634] task_work_run+0x13c/0x1e8 [ 68.764503][ T4634] do_notify_resume+0x2488/0x30a8 [ 68.765512][ T4634] el0_svc+0xf4/0x1d4 [ 68.766339][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 68.767393][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 68.768335][ T4634] irq event stamp: 212250 [ 68.769226][ T4634] hardirqs last enabled at (212249): [] __up_console_sem+0xb4/0xfc [ 68.771184][ T4634] hardirqs last disabled at (212250): [] el1_dbg+0x24/0x80 [ 68.772983][ T4634] softirqs last enabled at (212160): [] local_bh_enable+0x10/0x34 [ 68.774967][ T4634] softirqs last disabled at (212158): [] local_bh_disable+0x10/0x34 [ 68.776943][ T4634] ---[ end trace ed074a495c703ade ]--- [ 68.791689][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 68.856366][ T4789] loop0: detected capacity change from 0 to 1024 [ 68.881431][ T4789] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 68.896982][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 68.902001][ T4634] ------------[ cut here ]------------ [ 68.903053][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 68.905011][ T4634] Modules linked in: [ 68.905800][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 68.907628][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 68.909784][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.911430][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 68.912606][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 68.913801][ T4634] sp : ffff80001fff6f80 [ 68.914640][ T4634] x29: ffff80001fff71c0 x28: ffff0000deb40c98 x27: ffff80001fff74d8 [ 68.916318][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d9585020 [ 68.917966][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ed964068 [ 68.919956][ T4634] x20: ffff0000d9585020 x19: ffff0000ed964000 x18: 1fffe000341c1596 [ 68.921638][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 68.923355][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 68.924996][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 68.926660][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 68.928341][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 68.930074][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 68.931732][ T4634] Call trace: [ 68.932421][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 68.933551][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 68.934612][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 68.935831][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 68.936999][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 68.938169][ T4634] ext4_dirty_inode+0xd4/0x110 [ 68.939173][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 68.940230][ T4634] iput+0x1bc/0x770 [ 68.941027][ T4634] dentry_unlink_inode+0x360/0x438 [ 68.942107][ T4634] __dentry_kill+0x318/0x590 [ 68.943076][ T4634] shrink_dentry_list+0x404/0x7d0 [ 68.944136][ T4634] shrink_dcache_parent+0xb0/0x364 [ 68.945269][ T4634] do_one_tree+0x2c/0xf4 [ 68.946118][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 68.947268][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 68.948374][ T4634] kill_block_super+0x78/0xe0 [ 68.949363][ T4634] deactivate_locked_super+0xc0/0x13c [ 68.950406][ T4634] deactivate_super+0xf0/0x110 [ 68.951357][ T4634] cleanup_mnt+0x3bc/0x470 [ 68.952234][ T4634] __cleanup_mnt+0x20/0x30 [ 68.953141][ T4634] task_work_run+0x13c/0x1e8 [ 68.954062][ T4634] do_notify_resume+0x2488/0x30a8 [ 68.955074][ T4634] el0_svc+0xf4/0x1d4 [ 68.955914][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 68.956975][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 68.957904][ T4634] irq event stamp: 217852 [ 68.958817][ T4634] hardirqs last enabled at (217851): [] finish_lock_switch+0xb0/0x1c8 [ 68.960925][ T4634] hardirqs last disabled at (217852): [] el1_dbg+0x24/0x80 [ 68.962725][ T4634] softirqs last enabled at (217846): [] handle_softirqs+0xa70/0xc14 [ 68.964716][ T4634] softirqs last disabled at (217737): [] __irq_exit_rcu+0x240/0x434 [ 68.966703][ T4634] ---[ end trace ed074a495c703adf ]--- [ 68.972961][ T148] bond0 (unregistering): Released all slaves [ 69.064405][ T4793] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 69.076236][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.079129][ T4634] ------------[ cut here ]------------ [ 69.080246][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.082226][ T4634] Modules linked in: [ 69.083008][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.084766][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 69.086749][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.088313][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.089484][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.090659][ T4634] sp : ffff80001fff6f80 [ 69.091554][ T4634] x29: ffff80001fff71c0 x28: ffff0000deb43e70 x27: ffff80001fff74d8 [ 69.093215][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d5d20820 [ 69.094891][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ecd08068 [ 69.096563][ T4634] x20: ffff0000d5d20820 x19: ffff0000ecd08000 x18: 0000000000000002 [ 69.098273][ T4634] x17: 0000000040000000 x16: ffff80001137fc94 x15: 0000000000000002 [ 69.099902][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 69.101519][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 69.103151][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 69.104837][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 69.106543][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.108191][ T4634] Call trace: [ 69.108898][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.110001][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 69.111049][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 69.112251][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 69.113381][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 69.114470][ T4634] ext4_dirty_inode+0xd4/0x110 [ 69.115428][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 69.116536][ T4634] iput+0x1bc/0x770 [ 69.117300][ T4634] dentry_unlink_inode+0x360/0x438 [ 69.118280][ T4634] __dentry_kill+0x318/0x590 [ 69.119192][ T4634] shrink_dentry_list+0x404/0x7d0 [ 69.120210][ T4634] shrink_dcache_parent+0xb0/0x364 [ 69.121263][ T4634] do_one_tree+0x2c/0xf4 [ 69.122106][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 69.123581][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 69.124684][ T4634] kill_block_super+0x78/0xe0 [ 69.125723][ T4634] deactivate_locked_super+0xc0/0x13c [ 69.126866][ T4634] deactivate_super+0xf0/0x110 [ 69.127874][ T4634] cleanup_mnt+0x3bc/0x470 [ 69.128780][ T4634] __cleanup_mnt+0x20/0x30 [ 69.129707][ T4634] task_work_run+0x13c/0x1e8 [ 69.130701][ T4634] do_notify_resume+0x2488/0x30a8 [ 69.131728][ T4634] el0_svc+0xf4/0x1d4 [ 69.132552][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 69.133554][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 69.134496][ T4634] irq event stamp: 223592 [ 69.135417][ T4634] hardirqs last enabled at (223591): [] finish_lock_switch+0xb0/0x1c8 [ 69.137469][ T4634] hardirqs last disabled at (223592): [] el1_dbg+0x24/0x80 [ 69.139294][ T4634] softirqs last enabled at (223586): [] handle_softirqs+0xa70/0xc14 [ 69.141412][ T4634] softirqs last disabled at (223547): [] __irq_exit_rcu+0x240/0x434 [ 69.143505][ T4634] ---[ end trace ed074a495c703ae0 ]--- [ 69.210450][ T4797] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 69.221750][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.224043][ T4634] ------------[ cut here ]------------ [ 69.225084][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.227067][ T4634] Modules linked in: [ 69.227818][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.229642][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 69.231757][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.233425][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.234625][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.235680][ T4634] sp : ffff80001fff6f80 [ 69.236490][ T4634] x29: ffff80001fff71c0 x28: ffff0000deb45c58 x27: ffff80001fff74d8 [ 69.238243][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000cd799020 [ 69.239837][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ec87e068 [ 69.241501][ T4634] x20: ffff0000cd799020 x19: ffff0000ec87e000 x18: 0000000000000001 [ 69.243155][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 69.244861][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 69.246522][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 69.248199][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.249901][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 69.251547][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.253214][ T4634] Call trace: [ 69.253892][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.255056][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 69.256155][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 69.257323][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 69.258591][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 69.259817][ T4634] ext4_dirty_inode+0xd4/0x110 [ 69.260781][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 69.261806][ T4634] iput+0x1bc/0x770 [ 69.262603][ T4634] dentry_unlink_inode+0x360/0x438 [ 69.263653][ T4634] __dentry_kill+0x318/0x590 [ 69.264561][ T4634] shrink_dentry_list+0x404/0x7d0 [ 69.265741][ T4634] shrink_dcache_parent+0xb0/0x364 [ 69.266941][ T4634] do_one_tree+0x2c/0xf4 [ 69.267954][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 69.269165][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 69.270331][ T4634] kill_block_super+0x78/0xe0 [ 69.271361][ T4634] deactivate_locked_super+0xc0/0x13c [ 69.272491][ T4634] deactivate_super+0xf0/0x110 [ 69.273454][ T4634] cleanup_mnt+0x3bc/0x470 [ 69.274398][ T4634] __cleanup_mnt+0x20/0x30 [ 69.275285][ T4634] task_work_run+0x13c/0x1e8 [ 69.276290][ T4634] do_notify_resume+0x2488/0x30a8 [ 69.277370][ T4634] el0_svc+0xf4/0x1d4 [ 69.278194][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 69.279263][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 69.280196][ T4634] irq event stamp: 230032 [ 69.281090][ T4634] hardirqs last enabled at (230031): [] __up_console_sem+0xb4/0xfc [ 69.283121][ T4634] hardirqs last disabled at (230032): [] el1_dbg+0x24/0x80 [ 69.284913][ T4634] softirqs last enabled at (229956): [] local_bh_enable+0x10/0x34 [ 69.286905][ T4634] softirqs last disabled at (229954): [] local_bh_disable+0x10/0x34 [ 69.288884][ T4634] ---[ end trace ed074a495c703ae1 ]--- [ 69.419767][ T4801] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 69.431211][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.433618][ T4634] ------------[ cut here ]------------ [ 69.434708][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.436648][ T4634] Modules linked in: [ 69.437427][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.439321][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 69.441481][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.443159][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.444399][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.445674][ T4634] sp : ffff80001fff6f80 [ 69.446621][ T4634] x29: ffff80001fff71c0 x28: ffff0000dea082a0 x27: ffff80001fff74d8 [ 69.448321][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000dc1d9820 [ 69.450078][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d7008068 [ 69.451730][ T4634] x20: ffff0000dc1d9820 x19: ffff0000d7008000 x18: 0000000000000001 [ 69.453468][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 69.455206][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 69.457348][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 69.459109][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.460783][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 69.462467][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.464170][ T4634] Call trace: [ 69.464853][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.465961][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 69.467080][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 69.468343][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 69.469543][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 69.470696][ T4634] ext4_dirty_inode+0xd4/0x110 [ 69.471684][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 69.472760][ T4634] iput+0x1bc/0x770 [ 69.473589][ T4634] dentry_unlink_inode+0x360/0x438 [ 69.474682][ T4634] __dentry_kill+0x318/0x590 [ 69.475675][ T4634] shrink_dentry_list+0x404/0x7d0 [ 69.476731][ T4634] shrink_dcache_parent+0xb0/0x364 [ 69.477837][ T4634] do_one_tree+0x2c/0xf4 [ 69.478758][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 69.479920][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 69.481021][ T4634] kill_block_super+0x78/0xe0 [ 69.482000][ T4634] deactivate_locked_super+0xc0/0x13c [ 69.483116][ T4634] deactivate_super+0xf0/0x110 [ 69.484128][ T4634] cleanup_mnt+0x3bc/0x470 [ 69.485058][ T4634] __cleanup_mnt+0x20/0x30 [ 69.485976][ T4634] task_work_run+0x13c/0x1e8 [ 69.486844][ T4634] do_notify_resume+0x2488/0x30a8 [ 69.487922][ T4634] el0_svc+0xf4/0x1d4 [ 69.488873][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 69.489882][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 69.490846][ T4634] irq event stamp: 235492 [ 69.491742][ T4634] hardirqs last enabled at (235491): [] __up_console_sem+0xb4/0xfc [ 69.493863][ T4634] hardirqs last disabled at (235492): [] el1_dbg+0x24/0x80 [ 69.495665][ T4634] softirqs last enabled at (235420): [] local_bh_enable+0x10/0x34 [ 69.497580][ T4634] softirqs last disabled at (235418): [] local_bh_disable+0x10/0x34 [ 69.499550][ T4634] ---[ end trace ed074a495c703ae2 ]--- [ 69.592914][ T4805] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 69.608307][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.610649][ T4634] ------------[ cut here ]------------ [ 69.611666][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.613488][ T4634] Modules linked in: [ 69.614226][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.615948][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 69.617951][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.619590][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.620714][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.621866][ T4634] sp : ffff80001fff6f80 [ 69.622733][ T4634] x29: ffff80001fff71c0 x28: ffff0000de9d9690 x27: ffff80001fff74d8 [ 69.624412][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000c82fa020 [ 69.626107][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d9fc8068 [ 69.627793][ T4634] x20: ffff0000c82fa020 x19: ffff0000d9fc8000 x18: 0000000000000001 [ 69.629442][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 69.631124][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 69.632790][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 69.634443][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.636204][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 69.637946][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.639658][ T4634] Call trace: [ 69.640356][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.641469][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 69.642566][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 69.643791][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 69.644967][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 69.646069][ T4634] ext4_dirty_inode+0xd4/0x110 [ 69.647055][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 69.648104][ T4634] iput+0x1bc/0x770 [ 69.648884][ T4634] dentry_unlink_inode+0x360/0x438 [ 69.649911][ T4634] __dentry_kill+0x318/0x590 [ 69.650856][ T4634] shrink_dentry_list+0x404/0x7d0 [ 69.651838][ T4634] shrink_dcache_parent+0xb0/0x364 [ 69.652968][ T4634] do_one_tree+0x2c/0xf4 [ 69.653812][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 69.654993][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 69.656036][ T4634] kill_block_super+0x78/0xe0 [ 69.657016][ T4634] deactivate_locked_super+0xc0/0x13c [ 69.658076][ T4634] deactivate_super+0xf0/0x110 [ 69.659050][ T4634] cleanup_mnt+0x3bc/0x470 [ 69.659943][ T4634] __cleanup_mnt+0x20/0x30 [ 69.660823][ T4634] task_work_run+0x13c/0x1e8 [ 69.661750][ T4634] do_notify_resume+0x2488/0x30a8 [ 69.662766][ T4634] el0_svc+0xf4/0x1d4 [ 69.663568][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 69.664571][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 69.665519][ T4634] irq event stamp: 241304 [ 69.666422][ T4634] hardirqs last enabled at (241303): [] __up_console_sem+0xb4/0xfc [ 69.668428][ T4634] hardirqs last disabled at (241304): [] el1_dbg+0x24/0x80 [ 69.670266][ T4634] softirqs last enabled at (241270): [] handle_softirqs+0xa70/0xc14 [ 69.672269][ T4634] softirqs last disabled at (241169): [] __irq_exit_rcu+0x240/0x434 [ 69.674293][ T4634] ---[ end trace ed074a495c703ae3 ]--- [ 69.677990][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.679105][ T1541] cfg80211: failed to load regulatory.db [ 69.679324][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.682291][ T4509] Bluetooth: hci0: command 0x0419 tx timeout [ 69.830668][ T4809] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 69.850067][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 69.852573][ T4634] ------------[ cut here ]------------ [ 69.853663][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 69.855753][ T4634] Modules linked in: [ 69.856535][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 69.858366][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 69.860522][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.862355][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 69.863667][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 69.864900][ T4634] sp : ffff80001fff6f80 [ 69.865799][ T4634] x29: ffff80001fff71c0 x28: ffff0000de9dc868 x27: ffff80001fff74d8 [ 69.867469][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000da0e6820 [ 69.869166][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000c6344068 [ 69.870864][ T4634] x20: ffff0000da0e6820 x19: ffff0000c6344000 x18: 0000000000000001 [ 69.872547][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 69.874189][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 69.875881][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 69.877627][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.879318][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 69.881003][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 69.882743][ T4634] Call trace: [ 69.883422][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 69.884556][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 69.885651][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 69.886912][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 69.888258][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 69.889384][ T4634] ext4_dirty_inode+0xd4/0x110 [ 69.890337][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 69.891439][ T4634] iput+0x1bc/0x770 [ 69.892254][ T4634] dentry_unlink_inode+0x360/0x438 [ 69.893278][ T4634] __dentry_kill+0x318/0x590 [ 69.894231][ T4634] shrink_dentry_list+0x404/0x7d0 [ 69.895490][ T4634] shrink_dcache_parent+0xb0/0x364 [ 69.896519][ T4634] do_one_tree+0x2c/0xf4 [ 69.897367][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 69.898536][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 69.899641][ T4634] kill_block_super+0x78/0xe0 [ 69.900626][ T4634] deactivate_locked_super+0xc0/0x13c [ 69.901727][ T4634] deactivate_super+0xf0/0x110 [ 69.902745][ T4634] cleanup_mnt+0x3bc/0x470 [ 69.903688][ T4634] __cleanup_mnt+0x20/0x30 [ 69.904579][ T4634] task_work_run+0x13c/0x1e8 [ 69.905553][ T4634] do_notify_resume+0x2488/0x30a8 [ 69.906522][ T4634] el0_svc+0xf4/0x1d4 [ 69.907332][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 69.908372][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 69.909302][ T4634] irq event stamp: 246990 [ 69.910192][ T4634] hardirqs last enabled at (246989): [] __up_console_sem+0xb4/0xfc [ 69.912156][ T4634] hardirqs last disabled at (246990): [] el1_dbg+0x24/0x80 [ 69.913920][ T4634] softirqs last enabled at (246900): [] local_bh_enable+0x10/0x34 [ 69.915983][ T4634] softirqs last disabled at (246898): [] local_bh_disable+0x10/0x34 [ 69.918032][ T4634] ---[ end trace ed074a495c703ae4 ]--- [ 70.099617][ T4813] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 70.117153][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.127690][ T4634] ------------[ cut here ]------------ [ 70.128893][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.130952][ T4634] Modules linked in: [ 70.131814][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.133713][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 70.135900][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.137561][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.138761][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.139990][ T4634] sp : ffff80001fff6f80 [ 70.140861][ T4634] x29: ffff80001fff71c0 x28: ffff0000de9de650 x27: ffff80001fff74d8 [ 70.142588][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d9c30020 [ 70.144272][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000c4b46068 [ 70.145995][ T4634] x20: ffff0000d9c30020 x19: ffff0000c4b46000 x18: 1fffe000341c5796 [ 70.147668][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 70.149384][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 70.151096][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 70.152774][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 70.154482][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 70.156188][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.157874][ T4634] Call trace: [ 70.158560][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.159717][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 70.160858][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 70.162056][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 70.163220][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 70.164326][ T4634] ext4_dirty_inode+0xd4/0x110 [ 70.165299][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 70.166366][ T4634] iput+0x1bc/0x770 [ 70.167136][ T4634] dentry_unlink_inode+0x360/0x438 [ 70.168186][ T4634] __dentry_kill+0x318/0x590 [ 70.169129][ T4634] shrink_dentry_list+0x404/0x7d0 [ 70.170141][ T4634] shrink_dcache_parent+0xb0/0x364 [ 70.171188][ T4634] do_one_tree+0x2c/0xf4 [ 70.172166][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 70.173393][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 70.174579][ T4634] kill_block_super+0x78/0xe0 [ 70.175628][ T4634] deactivate_locked_super+0xc0/0x13c [ 70.176914][ T4634] deactivate_super+0xf0/0x110 [ 70.177963][ T4634] cleanup_mnt+0x3bc/0x470 [ 70.178951][ T4634] __cleanup_mnt+0x20/0x30 [ 70.179894][ T4634] task_work_run+0x13c/0x1e8 [ 70.180895][ T4634] do_notify_resume+0x2488/0x30a8 [ 70.182001][ T4634] el0_svc+0xf4/0x1d4 [ 70.182866][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 70.184012][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 70.184944][ T4634] irq event stamp: 252502 [ 70.185961][ T4634] hardirqs last enabled at (252501): [] finish_lock_switch+0xb0/0x1c8 [ 70.188031][ T4634] hardirqs last disabled at (252502): [] el1_dbg+0x24/0x80 [ 70.189975][ T4634] softirqs last enabled at (252496): [] handle_softirqs+0xa70/0xc14 [ 70.192120][ T4634] softirqs last disabled at (252483): [] __irq_exit_rcu+0x240/0x434 [ 70.194233][ T4634] ---[ end trace ed074a495c703ae5 ]--- [ 70.271275][ T4817] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 70.281709][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.284098][ T4634] ------------[ cut here ]------------ [ 70.285048][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.287159][ T4634] Modules linked in: [ 70.287983][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.289958][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 70.292097][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.293777][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.294964][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.296148][ T4634] sp : ffff80001fff6f80 [ 70.297004][ T4634] x29: ffff80001fff71c0 x28: ffff0000debea088 x27: ffff80001fff74d8 [ 70.298658][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000ce866820 [ 70.300212][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000c1f2c068 [ 70.301942][ T4634] x20: ffff0000ce866820 x19: ffff0000c1f2c000 x18: 0000000000000001 [ 70.303589][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 70.305308][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 70.307046][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 70.308720][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 70.310584][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 70.312232][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.313837][ T4634] Call trace: [ 70.314617][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.315773][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 70.316910][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 70.318174][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 70.319408][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 70.320591][ T4634] ext4_dirty_inode+0xd4/0x110 [ 70.321617][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 70.322709][ T4634] iput+0x1bc/0x770 [ 70.323535][ T4634] dentry_unlink_inode+0x360/0x438 [ 70.324699][ T4634] __dentry_kill+0x318/0x590 [ 70.325680][ T4634] shrink_dentry_list+0x404/0x7d0 [ 70.326675][ T4634] shrink_dcache_parent+0xb0/0x364 [ 70.327698][ T4634] do_one_tree+0x2c/0xf4 [ 70.328574][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 70.329709][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 70.330780][ T4634] kill_block_super+0x78/0xe0 [ 70.331737][ T4634] deactivate_locked_super+0xc0/0x13c [ 70.332800][ T4634] deactivate_super+0xf0/0x110 [ 70.333758][ T4634] cleanup_mnt+0x3bc/0x470 [ 70.334650][ T4634] __cleanup_mnt+0x20/0x30 [ 70.335563][ T4634] task_work_run+0x13c/0x1e8 [ 70.336499][ T4634] do_notify_resume+0x2488/0x30a8 [ 70.337461][ T4634] el0_svc+0xf4/0x1d4 [ 70.338285][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 70.339296][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 70.340165][ T4634] irq event stamp: 257772 [ 70.341010][ T4634] hardirqs last enabled at (257771): [] __schedule+0xf20/0x1c6c [ 70.342828][ T4634] hardirqs last disabled at (257772): [] el1_dbg+0x24/0x80 [ 70.344655][ T4634] softirqs last enabled at (257690): [] local_bh_enable+0x10/0x34 [ 70.346591][ T4634] softirqs last disabled at (257688): [] local_bh_disable+0x10/0x34 [ 70.348539][ T4634] ---[ end trace ed074a495c703ae6 ]--- [ 70.465759][ T4821] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 70.480635][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.483137][ T4634] ------------[ cut here ]------------ [ 70.484225][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.486216][ T4634] Modules linked in: [ 70.487007][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.488954][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 70.491174][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.492857][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.494135][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.495320][ T4634] sp : ffff80001fff6f80 [ 70.496181][ T4634] x29: ffff80001fff71c0 x28: ffff0000dea0c868 x27: ffff80001fff74d8 [ 70.497914][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d6e8c020 [ 70.499655][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000cadd0068 [ 70.501426][ T4634] x20: ffff0000d6e8c020 x19: ffff0000cadd0000 x18: 0000000000000001 [ 70.503140][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 70.504869][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 70.506584][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 70.508317][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.510102][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 70.511833][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.513607][ T4634] Call trace: [ 70.514420][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.515649][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 70.516859][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 70.518261][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 70.519623][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 70.520810][ T4634] ext4_dirty_inode+0xd4/0x110 [ 70.521870][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 70.522951][ T4634] iput+0x1bc/0x770 [ 70.523767][ T4634] dentry_unlink_inode+0x360/0x438 [ 70.524876][ T4634] __dentry_kill+0x318/0x590 [ 70.525887][ T4634] shrink_dentry_list+0x404/0x7d0 [ 70.526930][ T4634] shrink_dcache_parent+0xb0/0x364 [ 70.527986][ T4634] do_one_tree+0x2c/0xf4 [ 70.528927][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 70.530031][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 70.531129][ T4634] kill_block_super+0x78/0xe0 [ 70.532130][ T4634] deactivate_locked_super+0xc0/0x13c [ 70.533268][ T4634] deactivate_super+0xf0/0x110 [ 70.534245][ T4634] cleanup_mnt+0x3bc/0x470 [ 70.535127][ T4634] __cleanup_mnt+0x20/0x30 [ 70.536067][ T4634] task_work_run+0x13c/0x1e8 [ 70.537046][ T4634] do_notify_resume+0x2488/0x30a8 [ 70.538090][ T4634] el0_svc+0xf4/0x1d4 [ 70.538966][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 70.540020][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 70.540945][ T4634] irq event stamp: 263082 [ 70.541828][ T4634] hardirqs last enabled at (263081): [] __up_console_sem+0xb4/0xfc [ 70.543837][ T4634] hardirqs last disabled at (263082): [] el1_dbg+0x24/0x80 [ 70.545678][ T4634] softirqs last enabled at (263004): [] local_bh_enable+0x10/0x34 [ 70.547656][ T4634] softirqs last disabled at (263002): [] local_bh_disable+0x10/0x34 [ 70.549663][ T4634] ---[ end trace ed074a495c703ae7 ]--- [ 70.659160][ T4825] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 70.693823][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.696215][ T4634] ------------[ cut here ]------------ [ 70.697247][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.699207][ T4634] Modules linked in: [ 70.699991][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.701792][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 70.703903][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.705459][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.706627][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.707825][ T4634] sp : ffff80001fff6f80 [ 70.708690][ T4634] x29: ffff80001fff71c0 x28: ffff0000debebe70 x27: ffff80001fff74d8 [ 70.710338][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000da8dc820 [ 70.711972][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ee5fe068 [ 70.713658][ T4634] x20: ffff0000da8dc820 x19: ffff0000ee5fe000 x18: 0000000000000001 [ 70.715372][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 70.717087][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 70.718847][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 70.720559][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.722300][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 70.724043][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.725818][ T4634] Call trace: [ 70.726537][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.727724][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 70.728781][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 70.730018][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 70.731169][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 70.732265][ T4634] ext4_dirty_inode+0xd4/0x110 [ 70.733232][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 70.734264][ T4634] iput+0x1bc/0x770 [ 70.735060][ T4634] dentry_unlink_inode+0x360/0x438 [ 70.736081][ T4634] __dentry_kill+0x318/0x590 [ 70.737036][ T4634] shrink_dentry_list+0x404/0x7d0 [ 70.738080][ T4634] shrink_dcache_parent+0xb0/0x364 [ 70.739117][ T4634] do_one_tree+0x2c/0xf4 [ 70.740020][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 70.741165][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 70.742299][ T4634] kill_block_super+0x78/0xe0 [ 70.743271][ T4634] deactivate_locked_super+0xc0/0x13c [ 70.744410][ T4634] deactivate_super+0xf0/0x110 [ 70.745395][ T4634] cleanup_mnt+0x3bc/0x470 [ 70.746316][ T4634] __cleanup_mnt+0x20/0x30 [ 70.747236][ T4634] task_work_run+0x13c/0x1e8 [ 70.748237][ T4634] do_notify_resume+0x2488/0x30a8 [ 70.749301][ T4634] el0_svc+0xf4/0x1d4 [ 70.750115][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 70.751163][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 70.752110][ T4634] irq event stamp: 267980 [ 70.753008][ T4634] hardirqs last enabled at (267979): [] __up_console_sem+0xb4/0xfc [ 70.755040][ T4634] hardirqs last disabled at (267980): [] el1_dbg+0x24/0x80 [ 70.756793][ T4634] softirqs last enabled at (267914): [] local_bh_enable+0x10/0x34 [ 70.758761][ T4634] softirqs last disabled at (267912): [] local_bh_disable+0x10/0x34 [ 70.760736][ T4634] ---[ end trace ed074a495c703ae8 ]--- [ 70.859394][ T4829] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 70.877312][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 70.879949][ T4634] ------------[ cut here ]------------ [ 70.881076][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 70.882987][ T4634] Modules linked in: [ 70.883750][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 70.885520][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 70.887452][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.889113][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 70.890293][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 70.891479][ T4634] sp : ffff80001fff6f80 [ 70.892308][ T4634] x29: ffff80001fff71c0 x28: ffff0000debef048 x27: ffff80001fff74d8 [ 70.893878][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000c0c9e020 [ 70.895558][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ef1e6068 [ 70.897199][ T4634] x20: ffff0000c0c9e020 x19: ffff0000ef1e6000 x18: 0000000000000001 [ 70.898921][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 70.900564][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 70.902216][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 70.903845][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 70.905558][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 70.907251][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 70.908956][ T4634] Call trace: [ 70.909644][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 70.910770][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 70.911817][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 70.912939][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 70.914164][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 70.915301][ T4634] ext4_dirty_inode+0xd4/0x110 [ 70.916257][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 70.917292][ T4634] iput+0x1bc/0x770 [ 70.918047][ T4634] dentry_unlink_inode+0x360/0x438 [ 70.919102][ T4634] __dentry_kill+0x318/0x590 [ 70.920049][ T4634] shrink_dentry_list+0x404/0x7d0 [ 70.921065][ T4634] shrink_dcache_parent+0xb0/0x364 [ 70.922079][ T4634] do_one_tree+0x2c/0xf4 [ 70.922925][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 70.924010][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 70.925108][ T4634] kill_block_super+0x78/0xe0 [ 70.926059][ T4634] deactivate_locked_super+0xc0/0x13c [ 70.927241][ T4634] deactivate_super+0xf0/0x110 [ 70.928191][ T4634] cleanup_mnt+0x3bc/0x470 [ 70.929100][ T4634] __cleanup_mnt+0x20/0x30 [ 70.930007][ T4634] task_work_run+0x13c/0x1e8 [ 70.930943][ T4634] do_notify_resume+0x2488/0x30a8 [ 70.931967][ T4634] el0_svc+0xf4/0x1d4 [ 70.932761][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 70.933808][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 70.934758][ T4634] irq event stamp: 273536 [ 70.935626][ T4634] hardirqs last enabled at (273535): [] __schedule+0xf20/0x1c6c [ 70.937512][ T4634] hardirqs last disabled at (273536): [] el1_dbg+0x24/0x80 [ 70.939437][ T4634] softirqs last enabled at (273530): [] handle_softirqs+0xa70/0xc14 [ 70.941658][ T4634] softirqs last disabled at (273519): [] __irq_exit_rcu+0x240/0x434 [ 70.943709][ T4634] ---[ end trace ed074a495c703ae9 ]--- [ 71.019612][ T4833] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 71.029364][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.031695][ T4634] ------------[ cut here ]------------ [ 71.032758][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.034964][ T4634] Modules linked in: [ 71.035849][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.037850][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 71.040044][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.041738][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.042984][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.044186][ T4634] sp : ffff80001fff6f80 [ 71.045042][ T4634] x29: ffff80001fff71c0 x28: ffff0000de9d0c98 x27: ffff80001fff74d8 [ 71.046838][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000cfdd2820 [ 71.048653][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ee700068 [ 71.050458][ T4634] x20: ffff0000cfdd2820 x19: ffff0000ee700000 x18: 0000000000000001 [ 71.052414][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 71.054355][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 71.056224][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 71.057971][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.059603][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 71.061265][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.062890][ T4634] Call trace: [ 71.063554][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.064727][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 71.065839][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 71.067059][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 71.068209][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 71.069333][ T4634] ext4_dirty_inode+0xd4/0x110 [ 71.070370][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 71.071427][ T4634] iput+0x1bc/0x770 [ 71.072211][ T4634] dentry_unlink_inode+0x360/0x438 [ 71.073218][ T4634] __dentry_kill+0x318/0x590 [ 71.074132][ T4634] shrink_dentry_list+0x404/0x7d0 [ 71.075206][ T4634] shrink_dcache_parent+0xb0/0x364 [ 71.076283][ T4634] do_one_tree+0x2c/0xf4 [ 71.077140][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 71.078256][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 71.079365][ T4634] kill_block_super+0x78/0xe0 [ 71.080288][ T4634] deactivate_locked_super+0xc0/0x13c [ 71.081381][ T4634] deactivate_super+0xf0/0x110 [ 71.082348][ T4634] cleanup_mnt+0x3bc/0x470 [ 71.083248][ T4634] __cleanup_mnt+0x20/0x30 [ 71.084129][ T4634] task_work_run+0x13c/0x1e8 [ 71.085068][ T4634] do_notify_resume+0x2488/0x30a8 [ 71.086262][ T4634] el0_svc+0xf4/0x1d4 [ 71.087221][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 71.088432][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 71.089457][ T4634] irq event stamp: 279370 [ 71.090477][ T4634] hardirqs last enabled at (279369): [] __up_console_sem+0xb4/0xfc [ 71.092540][ T4634] hardirqs last disabled at (279370): [] el1_dbg+0x24/0x80 [ 71.094425][ T4634] softirqs last enabled at (279278): [] local_bh_enable+0x10/0x34 [ 71.096419][ T4634] softirqs last disabled at (279276): [] local_bh_disable+0x10/0x34 [ 71.098372][ T4634] ---[ end trace ed074a495c703aea ]--- [ 71.160156][ T4837] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 71.171139][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.173387][ T4634] ------------[ cut here ]------------ [ 71.174439][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.176601][ T4634] Modules linked in: [ 71.177381][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.179283][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 71.181446][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.183086][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.184224][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.185331][ T4634] sp : ffff80001fff6f80 [ 71.186128][ T4634] x29: ffff80001fff71c0 x28: ffff0000debfb478 x27: ffff80001fff74d8 [ 71.187870][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d078e020 [ 71.189615][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000cabbc068 [ 71.191447][ T4634] x20: ffff0000d078e020 x19: ffff0000cabbc000 x18: 0000000000000001 [ 71.193238][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 71.194982][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 71.196682][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 71.198375][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.200075][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 71.201720][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.203438][ T4634] Call trace: [ 71.204116][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.205161][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 71.206279][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 71.207468][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 71.208621][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 71.209755][ T4634] ext4_dirty_inode+0xd4/0x110 [ 71.210748][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 71.211760][ T4634] iput+0x1bc/0x770 [ 71.212582][ T4634] dentry_unlink_inode+0x360/0x438 [ 71.213695][ T4634] __dentry_kill+0x318/0x590 [ 71.214709][ T4634] shrink_dentry_list+0x404/0x7d0 [ 71.215754][ T4634] shrink_dcache_parent+0xb0/0x364 [ 71.216804][ T4634] do_one_tree+0x2c/0xf4 [ 71.217724][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 71.218833][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 71.219912][ T4634] kill_block_super+0x78/0xe0 [ 71.220927][ T4634] deactivate_locked_super+0xc0/0x13c [ 71.222077][ T4634] deactivate_super+0xf0/0x110 [ 71.223015][ T4634] cleanup_mnt+0x3bc/0x470 [ 71.223970][ T4634] __cleanup_mnt+0x20/0x30 [ 71.224859][ T4634] task_work_run+0x13c/0x1e8 [ 71.225704][ T4634] do_notify_resume+0x2488/0x30a8 [ 71.226696][ T4634] el0_svc+0xf4/0x1d4 [ 71.227481][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 71.228548][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 71.229488][ T4634] irq event stamp: 284654 [ 71.230364][ T4634] hardirqs last enabled at (284653): [] __up_console_sem+0xb4/0xfc [ 71.232310][ T4634] hardirqs last disabled at (284654): [] el1_dbg+0x24/0x80 [ 71.234160][ T4634] softirqs last enabled at (284582): [] local_bh_enable+0x10/0x34 [ 71.236126][ T4634] softirqs last disabled at (284580): [] local_bh_disable+0x10/0x34 [ 71.238278][ T4634] ---[ end trace ed074a495c703aeb ]--- [ 71.350097][ T4841] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 71.360726][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.363233][ T4634] ------------[ cut here ]------------ [ 71.364327][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.366501][ T4634] Modules linked in: [ 71.367359][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.369398][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 71.371862][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.373570][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.374781][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.376042][ T4634] sp : ffff80001fff6f80 [ 71.376929][ T4634] x29: ffff80001fff71c0 x28: ffff0000de9d3e70 x27: ffff80001fff74d8 [ 71.378630][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000eea93020 [ 71.380244][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000eebf0068 [ 71.381900][ T4634] x20: ffff0000eea93020 x19: ffff0000eebf0000 x18: 0000000000000001 [ 71.383595][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 71.385205][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 71.386913][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 71.388506][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.390220][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 71.391920][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.393664][ T4634] Call trace: [ 71.394360][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.395419][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 71.396464][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 71.397646][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 71.398825][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 71.399947][ T4634] ext4_dirty_inode+0xd4/0x110 [ 71.400909][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 71.401903][ T4634] iput+0x1bc/0x770 [ 71.402684][ T4634] dentry_unlink_inode+0x360/0x438 [ 71.403744][ T4634] __dentry_kill+0x318/0x590 [ 71.404695][ T4634] shrink_dentry_list+0x404/0x7d0 [ 71.405728][ T4634] shrink_dcache_parent+0xb0/0x364 [ 71.406784][ T4634] do_one_tree+0x2c/0xf4 [ 71.407636][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 71.408737][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 71.409811][ T4634] kill_block_super+0x78/0xe0 [ 71.410771][ T4634] deactivate_locked_super+0xc0/0x13c [ 71.411867][ T4634] deactivate_super+0xf0/0x110 [ 71.412813][ T4634] cleanup_mnt+0x3bc/0x470 [ 71.413728][ T4634] __cleanup_mnt+0x20/0x30 [ 71.414633][ T4634] task_work_run+0x13c/0x1e8 [ 71.415568][ T4634] do_notify_resume+0x2488/0x30a8 [ 71.416633][ T4634] el0_svc+0xf4/0x1d4 [ 71.417442][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 71.418470][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 71.419427][ T4634] irq event stamp: 290200 [ 71.420367][ T4634] hardirqs last enabled at (290199): [] __up_console_sem+0xb4/0xfc [ 71.422334][ T4634] hardirqs last disabled at (290200): [] el1_dbg+0x24/0x80 [ 71.424130][ T4634] softirqs last enabled at (290128): [] local_bh_enable+0x10/0x34 [ 71.426147][ T4634] softirqs last disabled at (290126): [] local_bh_disable+0x10/0x34 [ 71.428097][ T4634] ---[ end trace ed074a495c703aec ]--- [ 71.599687][ T4845] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 71.611945][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.614413][ T4634] ------------[ cut here ]------------ [ 71.615501][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.617352][ T4634] Modules linked in: [ 71.618176][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.620121][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 71.622323][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.624033][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.625309][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.626590][ T4634] sp : ffff80001fff6f80 [ 71.627521][ T4634] x29: ffff80001fff71c0 x28: ffff0000de9d5c58 x27: ffff80001fff74d8 [ 71.629271][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000ca91f820 [ 71.630946][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000da082068 [ 71.632667][ T4634] x20: ffff0000ca91f820 x19: ffff0000da082000 x18: 0000000000000001 [ 71.634392][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 71.636051][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 71.637968][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 71.639679][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.641433][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 71.643070][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.644884][ T4634] Call trace: [ 71.645634][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.646863][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 71.648058][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 71.649314][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 71.650533][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 71.651719][ T4634] ext4_dirty_inode+0xd4/0x110 [ 71.652713][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 71.653770][ T4634] iput+0x1bc/0x770 [ 71.654580][ T4634] dentry_unlink_inode+0x360/0x438 [ 71.655661][ T4634] __dentry_kill+0x318/0x590 [ 71.656603][ T4634] shrink_dentry_list+0x404/0x7d0 [ 71.657661][ T4634] shrink_dcache_parent+0xb0/0x364 [ 71.658704][ T4634] do_one_tree+0x2c/0xf4 [ 71.659552][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 71.660735][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 71.661811][ T4634] kill_block_super+0x78/0xe0 [ 71.662767][ T4634] deactivate_locked_super+0xc0/0x13c [ 71.663895][ T4634] deactivate_super+0xf0/0x110 [ 71.664877][ T4634] cleanup_mnt+0x3bc/0x470 [ 71.665783][ T4634] __cleanup_mnt+0x20/0x30 [ 71.666697][ T4634] task_work_run+0x13c/0x1e8 [ 71.667637][ T4634] do_notify_resume+0x2488/0x30a8 [ 71.668700][ T4634] el0_svc+0xf4/0x1d4 [ 71.669543][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 71.670628][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 71.671568][ T4634] irq event stamp: 295970 [ 71.672518][ T4634] hardirqs last enabled at (295969): [] __up_console_sem+0xb4/0xfc [ 71.674551][ T4634] hardirqs last disabled at (295970): [] el1_dbg+0x24/0x80 [ 71.676317][ T4634] softirqs last enabled at (295894): [] local_bh_enable+0x10/0x34 [ 71.678215][ T4634] softirqs last disabled at (295892): [] local_bh_disable+0x10/0x34 [ 71.680185][ T4634] ---[ end trace ed074a495c703aed ]--- [ 71.779189][ T4849] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 71.788827][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.791268][ T4634] ------------[ cut here ]------------ [ 71.792298][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.794131][ T4634] Modules linked in: [ 71.794872][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.796639][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 71.798700][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.800387][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.801604][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.802786][ T4634] sp : ffff80001fff6f80 [ 71.803653][ T4634] x29: ffff80001fff71c0 x28: ffff0000dea682a0 x27: ffff80001fff74d8 [ 71.805510][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d604b020 [ 71.807305][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ed4c8068 [ 71.809102][ T4634] x20: ffff0000d604b020 x19: ffff0000ed4c8000 x18: 0000000000000001 [ 71.810838][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 71.812507][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 71.814104][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 71.815717][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.817162][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 71.818850][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 71.820576][ T4634] Call trace: [ 71.821282][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 71.822331][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 71.823410][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 71.824601][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 71.825832][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 71.826971][ T4634] ext4_dirty_inode+0xd4/0x110 [ 71.827947][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 71.828973][ T4634] iput+0x1bc/0x770 [ 71.829723][ T4634] dentry_unlink_inode+0x360/0x438 [ 71.830761][ T4634] __dentry_kill+0x318/0x590 [ 71.831747][ T4634] shrink_dentry_list+0x404/0x7d0 [ 71.832798][ T4634] shrink_dcache_parent+0xb0/0x364 [ 71.833877][ T4634] do_one_tree+0x2c/0xf4 [ 71.834758][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 71.835897][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 71.836995][ T4634] kill_block_super+0x78/0xe0 [ 71.837945][ T4634] deactivate_locked_super+0xc0/0x13c [ 71.839024][ T4634] deactivate_super+0xf0/0x110 [ 71.839956][ T4634] cleanup_mnt+0x3bc/0x470 [ 71.840856][ T4634] __cleanup_mnt+0x20/0x30 [ 71.841769][ T4634] task_work_run+0x13c/0x1e8 [ 71.842695][ T4634] do_notify_resume+0x2488/0x30a8 [ 71.843718][ T4634] el0_svc+0xf4/0x1d4 [ 71.844530][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 71.845603][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 71.846540][ T4634] irq event stamp: 301106 [ 71.847454][ T4634] hardirqs last enabled at (301105): [] __up_console_sem+0xb4/0xfc [ 71.849709][ T4634] hardirqs last disabled at (301106): [] el1_dbg+0x24/0x80 [ 71.851571][ T4634] softirqs last enabled at (301028): [] local_bh_enable+0x10/0x34 [ 71.853555][ T4634] softirqs last disabled at (301026): [] local_bh_disable+0x10/0x34 [ 71.855547][ T4634] ---[ end trace ed074a495c703aee ]--- [ 71.970689][ T4853] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 71.979796][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 71.982457][ T4634] ------------[ cut here ]------------ [ 71.983574][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 71.985642][ T4634] Modules linked in: [ 71.986421][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 71.988256][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 71.990459][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.992001][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 71.993163][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 71.994347][ T4634] sp : ffff80001fff6f80 [ 71.995215][ T4634] x29: ffff80001fff71c0 x28: ffff0000dea6b478 x27: ffff80001fff74d8 [ 71.996920][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000ed382820 [ 71.998651][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000cde46068 [ 72.000353][ T4634] x20: ffff0000ed382820 x19: ffff0000cde46000 x18: 1fffe000341c1596 [ 72.002101][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 72.003706][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 72.005350][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 72.007038][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 72.008633][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 72.010262][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.011976][ T4634] Call trace: [ 72.012667][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.013951][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 72.015208][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 72.016570][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 72.017871][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 72.019094][ T4634] ext4_dirty_inode+0xd4/0x110 [ 72.020238][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 72.021443][ T4634] iput+0x1bc/0x770 [ 72.022343][ T4634] dentry_unlink_inode+0x360/0x438 [ 72.023521][ T4634] __dentry_kill+0x318/0x590 [ 72.024564][ T4634] shrink_dentry_list+0x404/0x7d0 [ 72.025703][ T4634] shrink_dcache_parent+0xb0/0x364 [ 72.026935][ T4634] do_one_tree+0x2c/0xf4 [ 72.027896][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 72.029119][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 72.030196][ T4634] kill_block_super+0x78/0xe0 [ 72.031155][ T4634] deactivate_locked_super+0xc0/0x13c [ 72.032441][ T4634] deactivate_super+0xf0/0x110 [ 72.033544][ T4634] cleanup_mnt+0x3bc/0x470 [ 72.034553][ T4634] __cleanup_mnt+0x20/0x30 [ 72.035596][ T4634] task_work_run+0x13c/0x1e8 [ 72.036659][ T4634] do_notify_resume+0x2488/0x30a8 [ 72.037809][ T4634] el0_svc+0xf4/0x1d4 [ 72.038622][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 72.039666][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 72.040587][ T4634] irq event stamp: 305904 [ 72.041505][ T4634] hardirqs last enabled at (305903): [] finish_lock_switch+0xb0/0x1c8 [ 72.043582][ T4634] hardirqs last disabled at (305904): [] el1_dbg+0x24/0x80 [ 72.045450][ T4634] softirqs last enabled at (305828): [] local_bh_enable+0x10/0x34 [ 72.047704][ T4634] softirqs last disabled at (305826): [] local_bh_disable+0x10/0x34 [ 72.049807][ T4634] ---[ end trace ed074a495c703aef ]--- [ 72.169609][ T4857] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 72.178676][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.181110][ T4634] ------------[ cut here ]------------ [ 72.182163][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.183998][ T4634] Modules linked in: [ 72.184713][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.186375][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 72.188332][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.189865][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.191085][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.192268][ T4634] sp : ffff80001fff6f80 [ 72.193121][ T4634] x29: ffff80001fff71c0 x28: ffff0000dea6e650 x27: ffff80001fff74d8 [ 72.194775][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000cc501020 [ 72.196388][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000c91f2068 [ 72.198031][ T4634] x20: ffff0000cc501020 x19: ffff0000c91f2000 x18: 0000000000000001 [ 72.199691][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 72.201347][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 72.203093][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 72.204794][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.206428][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 72.208110][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.209741][ T4634] Call trace: [ 72.210412][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.211551][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 72.212642][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 72.213853][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 72.215015][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 72.216168][ T4634] ext4_dirty_inode+0xd4/0x110 [ 72.217133][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 72.218161][ T4634] iput+0x1bc/0x770 [ 72.218943][ T4634] dentry_unlink_inode+0x360/0x438 [ 72.219977][ T4634] __dentry_kill+0x318/0x590 [ 72.220881][ T4634] shrink_dentry_list+0x404/0x7d0 [ 72.221925][ T4634] shrink_dcache_parent+0xb0/0x364 [ 72.222949][ T4634] do_one_tree+0x2c/0xf4 [ 72.223817][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 72.224931][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 72.226033][ T4634] kill_block_super+0x78/0xe0 [ 72.226959][ T4634] deactivate_locked_super+0xc0/0x13c [ 72.228053][ T4634] deactivate_super+0xf0/0x110 [ 72.228985][ T4634] cleanup_mnt+0x3bc/0x470 [ 72.229940][ T4634] __cleanup_mnt+0x20/0x30 [ 72.230839][ T4634] task_work_run+0x13c/0x1e8 [ 72.231788][ T4634] do_notify_resume+0x2488/0x30a8 [ 72.232817][ T4634] el0_svc+0xf4/0x1d4 [ 72.233617][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 72.234650][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 72.235552][ T4634] irq event stamp: 310826 [ 72.236422][ T4634] hardirqs last enabled at (310825): [] __up_console_sem+0xb4/0xfc [ 72.238342][ T4634] hardirqs last disabled at (310826): [] el1_dbg+0x24/0x80 [ 72.240180][ T4634] softirqs last enabled at (310748): [] local_bh_enable+0x10/0x34 [ 72.242048][ T4634] softirqs last disabled at (310746): [] local_bh_disable+0x10/0x34 [ 72.244036][ T4634] ---[ end trace ed074a495c703af0 ]--- [ 72.300322][ T4863] set_capacity_and_notify: 17 callbacks suppressed [ 72.300331][ T4863] loop0: detected capacity change from 0 to 1024 [ 72.309327][ T4863] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 72.323892][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.326322][ T4634] ------------[ cut here ]------------ [ 72.327343][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.329429][ T4634] Modules linked in: [ 72.330244][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.332389][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 72.334797][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.336510][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.337900][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.339206][ T4634] sp : ffff80001fff6f80 [ 72.340112][ T4634] x29: ffff80001fff71c0 x28: ffff0000f00782a0 x27: ffff80001fff74d8 [ 72.341847][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d141f020 [ 72.343465][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000efc8c068 [ 72.345401][ T4634] x20: ffff0000d141f020 x19: ffff0000efc8c000 x18: 0000000000000001 [ 72.347232][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 72.349072][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 72.350872][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 72.352676][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.354412][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 72.356194][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.358085][ T4634] Call trace: [ 72.358863][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.360085][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 72.361227][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 72.362465][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 72.363675][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 72.364828][ T4634] ext4_dirty_inode+0xd4/0x110 [ 72.366151][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 72.367155][ T4634] iput+0x1bc/0x770 [ 72.367960][ T4634] dentry_unlink_inode+0x360/0x438 [ 72.368985][ T4634] __dentry_kill+0x318/0x590 [ 72.369882][ T4634] shrink_dentry_list+0x404/0x7d0 [ 72.370897][ T4634] shrink_dcache_parent+0xb0/0x364 [ 72.371913][ T4634] do_one_tree+0x2c/0xf4 [ 72.372744][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 72.373849][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 72.375047][ T4634] kill_block_super+0x78/0xe0 [ 72.376013][ T4634] deactivate_locked_super+0xc0/0x13c [ 72.377133][ T4634] deactivate_super+0xf0/0x110 [ 72.378105][ T4634] cleanup_mnt+0x3bc/0x470 [ 72.379040][ T4634] __cleanup_mnt+0x20/0x30 [ 72.379979][ T4634] task_work_run+0x13c/0x1e8 [ 72.380941][ T4634] do_notify_resume+0x2488/0x30a8 [ 72.381958][ T4634] el0_svc+0xf4/0x1d4 [ 72.382770][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 72.383794][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 72.384725][ T4634] irq event stamp: 315618 [ 72.385617][ T4634] hardirqs last enabled at (315617): [] __up_console_sem+0xb4/0xfc [ 72.387914][ T4634] hardirqs last disabled at (315618): [] el1_dbg+0x24/0x80 [ 72.389936][ T4634] softirqs last enabled at (315540): [] local_bh_enable+0x10/0x34 [ 72.392049][ T4634] softirqs last disabled at (315538): [] local_bh_disable+0x10/0x34 [ 72.394175][ T4634] ---[ end trace ed074a495c703af1 ]--- 1970/01/01 00:01:12 executed programs: 30 [ 72.451043][ T4867] loop0: detected capacity change from 0 to 1024 [ 72.520454][ T4867] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 72.534859][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.537380][ T4634] ------------[ cut here ]------------ [ 72.538530][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.540486][ T4634] Modules linked in: [ 72.541377][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.543205][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 72.545334][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.546946][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.548147][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.549341][ T4634] sp : ffff80001fff6f80 [ 72.550229][ T4634] x29: ffff80001fff71c0 x28: ffff0000f007b478 x27: ffff80001fff74d8 [ 72.551872][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000cb3ee020 [ 72.553547][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000cb348068 [ 72.555205][ T4634] x20: ffff0000cb3ee020 x19: ffff0000cb348000 x18: 0000000000000001 [ 72.556891][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 72.558568][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 72.560254][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 72.561926][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.563625][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 72.565332][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.567019][ T4634] Call trace: [ 72.567700][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.568808][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 72.569909][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 72.571147][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 72.572376][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 72.573535][ T4634] ext4_dirty_inode+0xd4/0x110 [ 72.574556][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 72.575572][ T4634] iput+0x1bc/0x770 [ 72.576351][ T4634] dentry_unlink_inode+0x360/0x438 [ 72.577390][ T4634] __dentry_kill+0x318/0x590 [ 72.578396][ T4634] shrink_dentry_list+0x404/0x7d0 [ 72.579455][ T4634] shrink_dcache_parent+0xb0/0x364 [ 72.580517][ T4634] do_one_tree+0x2c/0xf4 [ 72.581387][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 72.582491][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 72.583568][ T4634] kill_block_super+0x78/0xe0 [ 72.584561][ T4634] deactivate_locked_super+0xc0/0x13c [ 72.585660][ T4634] deactivate_super+0xf0/0x110 [ 72.586624][ T4634] cleanup_mnt+0x3bc/0x470 [ 72.587532][ T4634] __cleanup_mnt+0x20/0x30 [ 72.588439][ T4634] task_work_run+0x13c/0x1e8 [ 72.589386][ T4634] do_notify_resume+0x2488/0x30a8 [ 72.590424][ T4634] el0_svc+0xf4/0x1d4 [ 72.591241][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 72.592279][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 72.593208][ T4634] irq event stamp: 321780 [ 72.594090][ T4634] hardirqs last enabled at (321779): [] __up_console_sem+0xb4/0xfc [ 72.596051][ T4634] hardirqs last disabled at (321780): [] el1_dbg+0x24/0x80 [ 72.597830][ T4634] softirqs last enabled at (321702): [] local_bh_enable+0x10/0x34 [ 72.599903][ T4634] softirqs last disabled at (321700): [] local_bh_disable+0x10/0x34 [ 72.601885][ T4634] ---[ end trace ed074a495c703af2 ]--- [ 72.661795][ T4872] loop0: detected capacity change from 0 to 1024 [ 72.710028][ T4872] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 72.725016][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.727528][ T4634] ------------[ cut here ]------------ [ 72.728647][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.730650][ T4634] Modules linked in: [ 72.731497][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.733563][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 72.735809][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.737499][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.738735][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.739982][ T4634] sp : ffff80001fff6f80 [ 72.740897][ T4634] x29: ffff80001fff71c0 x28: ffff0000f007c868 x27: ffff80001fff74d8 [ 72.742627][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000c17ae820 [ 72.744382][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d39aa068 [ 72.746162][ T4634] x20: ffff0000c17ae820 x19: ffff0000d39aa000 x18: 0000000000000001 [ 72.747881][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 72.749550][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 72.751214][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 72.753113][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.755041][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 72.756809][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.758392][ T4634] Call trace: [ 72.759064][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.760186][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 72.761240][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 72.762446][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 72.763619][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 72.764751][ T4634] ext4_dirty_inode+0xd4/0x110 [ 72.765715][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 72.766747][ T4634] iput+0x1bc/0x770 [ 72.767547][ T4634] dentry_unlink_inode+0x360/0x438 [ 72.768645][ T4634] __dentry_kill+0x318/0x590 [ 72.769604][ T4634] shrink_dentry_list+0x404/0x7d0 [ 72.770658][ T4634] shrink_dcache_parent+0xb0/0x364 [ 72.771736][ T4634] do_one_tree+0x2c/0xf4 [ 72.772640][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 72.773799][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 72.774948][ T4634] kill_block_super+0x78/0xe0 [ 72.775926][ T4634] deactivate_locked_super+0xc0/0x13c [ 72.777069][ T4634] deactivate_super+0xf0/0x110 [ 72.778090][ T4634] cleanup_mnt+0x3bc/0x470 [ 72.779036][ T4634] __cleanup_mnt+0x20/0x30 [ 72.779946][ T4634] task_work_run+0x13c/0x1e8 [ 72.780904][ T4634] do_notify_resume+0x2488/0x30a8 [ 72.781941][ T4634] el0_svc+0xf4/0x1d4 [ 72.782771][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 72.783867][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 72.784816][ T4634] irq event stamp: 327644 [ 72.785722][ T4634] hardirqs last enabled at (327643): [] __up_console_sem+0xb4/0xfc [ 72.787682][ T4634] hardirqs last disabled at (327644): [] el1_dbg+0x24/0x80 [ 72.789598][ T4634] softirqs last enabled at (327554): [] local_bh_enable+0x10/0x34 [ 72.791592][ T4634] softirqs last disabled at (327552): [] local_bh_disable+0x10/0x34 [ 72.793474][ T4634] ---[ end trace ed074a495c703af3 ]--- [ 72.853254][ T4876] loop0: detected capacity change from 0 to 1024 [ 72.910653][ T4876] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 72.920309][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 72.922828][ T4634] ------------[ cut here ]------------ [ 72.923893][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 72.926075][ T4634] Modules linked in: [ 72.926878][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 72.928901][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 72.931098][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.932752][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 72.933936][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 72.935137][ T4634] sp : ffff80001fff6f80 [ 72.936000][ T4634] x29: ffff80001fff71c0 x28: ffff0000f00202a0 x27: ffff80001fff74d8 [ 72.937715][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000da588020 [ 72.939407][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ed3b0068 [ 72.941118][ T4634] x20: ffff0000da588020 x19: ffff0000ed3b0000 x18: 1fffe000341c5796 [ 72.942833][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 72.944534][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 72.946223][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 72.947888][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 72.949568][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 72.951248][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 72.952949][ T4634] Call trace: [ 72.953623][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 72.954733][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 72.955822][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 72.956948][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 72.958081][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 72.959187][ T4634] ext4_dirty_inode+0xd4/0x110 [ 72.960198][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 72.961346][ T4634] iput+0x1bc/0x770 [ 72.962103][ T4634] dentry_unlink_inode+0x360/0x438 [ 72.963085][ T4634] __dentry_kill+0x318/0x590 [ 72.963989][ T4634] shrink_dentry_list+0x404/0x7d0 [ 72.965013][ T4634] shrink_dcache_parent+0xb0/0x364 [ 72.966061][ T4634] do_one_tree+0x2c/0xf4 [ 72.966936][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 72.968082][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 72.969207][ T4634] kill_block_super+0x78/0xe0 [ 72.970157][ T4634] deactivate_locked_super+0xc0/0x13c [ 72.971267][ T4634] deactivate_super+0xf0/0x110 [ 72.972295][ T4634] cleanup_mnt+0x3bc/0x470 [ 72.973217][ T4634] __cleanup_mnt+0x20/0x30 [ 72.974147][ T4634] task_work_run+0x13c/0x1e8 [ 72.975094][ T4634] do_notify_resume+0x2488/0x30a8 [ 72.976336][ T4634] el0_svc+0xf4/0x1d4 [ 72.977325][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 72.978514][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 72.979553][ T4634] irq event stamp: 333804 [ 72.980539][ T4634] hardirqs last enabled at (333803): [] finish_lock_switch+0xb0/0x1c8 [ 72.982767][ T4634] hardirqs last disabled at (333804): [] el1_dbg+0x24/0x80 [ 72.984761][ T4634] softirqs last enabled at (333728): [] local_bh_enable+0x10/0x34 [ 72.986822][ T4634] softirqs last disabled at (333726): [] local_bh_disable+0x10/0x34 [ 72.988866][ T4634] ---[ end trace ed074a495c703af4 ]--- [ 73.049646][ T4880] loop0: detected capacity change from 0 to 1024 [ 73.099529][ T4880] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 73.109532][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.111960][ T4634] ------------[ cut here ]------------ [ 73.112960][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.115094][ T4634] Modules linked in: [ 73.115936][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.117957][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 73.120363][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.122151][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.123400][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.124628][ T4634] sp : ffff80001fff6f80 [ 73.125560][ T4634] x29: ffff80001fff71c0 x28: ffff0000f0023478 x27: ffff80001fff74d8 [ 73.127285][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000ca713820 [ 73.128988][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000cdc48068 [ 73.130755][ T4634] x20: ffff0000ca713820 x19: ffff0000cdc48000 x18: 0000000000000001 [ 73.132505][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 73.134126][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 73.135820][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 73.137499][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.139183][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 73.140809][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.142403][ T4634] Call trace: [ 73.143063][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.144169][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 73.145247][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 73.146440][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 73.147600][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 73.148745][ T4634] ext4_dirty_inode+0xd4/0x110 [ 73.149696][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 73.150721][ T4634] iput+0x1bc/0x770 [ 73.151491][ T4634] dentry_unlink_inode+0x360/0x438 [ 73.152522][ T4634] __dentry_kill+0x318/0x590 [ 73.153423][ T4634] shrink_dentry_list+0x404/0x7d0 [ 73.154451][ T4634] shrink_dcache_parent+0xb0/0x364 [ 73.155511][ T4634] do_one_tree+0x2c/0xf4 [ 73.156407][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 73.157569][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 73.158676][ T4634] kill_block_super+0x78/0xe0 [ 73.159614][ T4634] deactivate_locked_super+0xc0/0x13c [ 73.160717][ T4634] deactivate_super+0xf0/0x110 [ 73.161731][ T4634] cleanup_mnt+0x3bc/0x470 [ 73.162609][ T4634] __cleanup_mnt+0x20/0x30 [ 73.163490][ T4634] task_work_run+0x13c/0x1e8 [ 73.164406][ T4634] do_notify_resume+0x2488/0x30a8 [ 73.165402][ T4634] el0_svc+0xf4/0x1d4 [ 73.166252][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 73.167305][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 73.168229][ T4634] irq event stamp: 339280 [ 73.169151][ T4634] hardirqs last enabled at (339279): [] __up_console_sem+0xb4/0xfc [ 73.171184][ T4634] hardirqs last disabled at (339280): [] el1_dbg+0x24/0x80 [ 73.173034][ T4634] softirqs last enabled at (339206): [] local_bh_enable+0x10/0x34 [ 73.174903][ T4634] softirqs last disabled at (339204): [] local_bh_disable+0x10/0x34 [ 73.176915][ T4634] ---[ end trace ed074a495c703af5 ]--- [ 73.203498][ T4884] loop0: detected capacity change from 0 to 1024 [ 73.249018][ T4884] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 73.258787][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.261071][ T4634] ------------[ cut here ]------------ [ 73.262074][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.264024][ T4634] Modules linked in: [ 73.264773][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.266526][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 73.268508][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.270131][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.271345][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.272674][ T4634] sp : ffff80001fff6f80 [ 73.273627][ T4634] x29: ffff80001fff71c0 x28: ffff0000f0025260 x27: ffff80001fff74d8 [ 73.275477][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000da369020 [ 73.277196][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d9e9a068 [ 73.278899][ T4634] x20: ffff0000da369020 x19: ffff0000d9e9a000 x18: 0000000000000001 [ 73.280597][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 73.282289][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 73.284018][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 73.285822][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.287515][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 73.289227][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.290907][ T4634] Call trace: [ 73.291595][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.292673][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 73.293762][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 73.294976][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 73.296214][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 73.297362][ T4634] ext4_dirty_inode+0xd4/0x110 [ 73.298398][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 73.299453][ T4634] iput+0x1bc/0x770 [ 73.300239][ T4634] dentry_unlink_inode+0x360/0x438 [ 73.301297][ T4634] __dentry_kill+0x318/0x590 [ 73.302296][ T4634] shrink_dentry_list+0x404/0x7d0 [ 73.303373][ T4634] shrink_dcache_parent+0xb0/0x364 [ 73.304492][ T4634] do_one_tree+0x2c/0xf4 [ 73.305440][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 73.306620][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 73.307723][ T4634] kill_block_super+0x78/0xe0 [ 73.308682][ T4634] deactivate_locked_super+0xc0/0x13c [ 73.309821][ T4634] deactivate_super+0xf0/0x110 [ 73.310775][ T4634] cleanup_mnt+0x3bc/0x470 [ 73.311681][ T4634] __cleanup_mnt+0x20/0x30 [ 73.312595][ T4634] task_work_run+0x13c/0x1e8 [ 73.313555][ T4634] do_notify_resume+0x2488/0x30a8 [ 73.314666][ T4634] el0_svc+0xf4/0x1d4 [ 73.315472][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 73.316497][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 73.317392][ T4634] irq event stamp: 345380 [ 73.318265][ T4634] hardirqs last enabled at (345379): [] __up_console_sem+0xb4/0xfc [ 73.320226][ T4634] hardirqs last disabled at (345380): [] el1_dbg+0x24/0x80 [ 73.322076][ T4634] softirqs last enabled at (345298): [] local_bh_enable+0x10/0x34 [ 73.324047][ T4634] softirqs last disabled at (345296): [] local_bh_disable+0x10/0x34 [ 73.326036][ T4634] ---[ end trace ed074a495c703af6 ]--- [ 73.392354][ T4888] loop0: detected capacity change from 0 to 1024 [ 73.469517][ T4888] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 73.478410][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.480686][ T4634] ------------[ cut here ]------------ [ 73.481734][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.483832][ T4634] Modules linked in: [ 73.484683][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.486576][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 73.488762][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.490493][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.491745][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.492975][ T4634] sp : ffff80001fff6f80 [ 73.493867][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8a8c98 x27: ffff80001fff74d8 [ 73.495562][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000ca531020 [ 73.497304][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ed2e4068 [ 73.499017][ T4634] x20: ffff0000ca531020 x19: ffff0000ed2e4000 x18: 0000000000000001 [ 73.500706][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 73.502341][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 73.503966][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 73.505639][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.507348][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 73.509054][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.510733][ T4634] Call trace: [ 73.511399][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.512496][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 73.513538][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 73.514678][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 73.515819][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 73.516926][ T4634] ext4_dirty_inode+0xd4/0x110 [ 73.517931][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 73.518948][ T4634] iput+0x1bc/0x770 [ 73.519722][ T4634] dentry_unlink_inode+0x360/0x438 [ 73.520778][ T4634] __dentry_kill+0x318/0x590 [ 73.521691][ T4634] shrink_dentry_list+0x404/0x7d0 [ 73.522704][ T4634] shrink_dcache_parent+0xb0/0x364 [ 73.523745][ T4634] do_one_tree+0x2c/0xf4 [ 73.524631][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 73.525736][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 73.527024][ T4634] kill_block_super+0x78/0xe0 [ 73.528162][ T4634] deactivate_locked_super+0xc0/0x13c [ 73.529316][ T4634] deactivate_super+0xf0/0x110 [ 73.530280][ T4634] cleanup_mnt+0x3bc/0x470 [ 73.531188][ T4634] __cleanup_mnt+0x20/0x30 [ 73.532137][ T4634] task_work_run+0x13c/0x1e8 [ 73.533117][ T4634] do_notify_resume+0x2488/0x30a8 [ 73.534174][ T4634] el0_svc+0xf4/0x1d4 [ 73.535008][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 73.536048][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 73.536967][ T4634] irq event stamp: 351224 [ 73.537857][ T4634] hardirqs last enabled at (351223): [] __up_console_sem+0xb4/0xfc [ 73.539899][ T4634] hardirqs last disabled at (351224): [] el1_dbg+0x24/0x80 [ 73.541723][ T4634] softirqs last enabled at (351142): [] local_bh_enable+0x10/0x34 [ 73.543720][ T4634] softirqs last disabled at (351140): [] local_bh_disable+0x10/0x34 [ 73.545623][ T4634] ---[ end trace ed074a495c703af7 ]--- [ 73.595268][ T4893] loop0: detected capacity change from 0 to 1024 [ 73.649615][ T4893] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 73.668298][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.670592][ T4634] ------------[ cut here ]------------ [ 73.671663][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.673483][ T4634] Modules linked in: [ 73.674233][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.675913][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 73.677789][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.679278][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.680392][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.681606][ T4634] sp : ffff80001fff6f80 [ 73.682474][ T4634] x29: ffff80001fff71c0 x28: ffff0000deafe650 x27: ffff80001fff74d8 [ 73.684204][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000ce2b5820 [ 73.685915][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d714e068 [ 73.687525][ T4634] x20: ffff0000ce2b5820 x19: ffff0000d714e000 x18: 0000000000000001 [ 73.689114][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 73.690755][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 73.692427][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 73.694124][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.695724][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 73.697365][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.699299][ T4634] Call trace: [ 73.700069][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.701310][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 73.702417][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 73.703657][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 73.704892][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 73.706051][ T4634] ext4_dirty_inode+0xd4/0x110 [ 73.707038][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 73.708092][ T4634] iput+0x1bc/0x770 [ 73.709007][ T4634] dentry_unlink_inode+0x360/0x438 [ 73.710211][ T4634] __dentry_kill+0x318/0x590 [ 73.711318][ T4634] shrink_dentry_list+0x404/0x7d0 [ 73.712421][ T4634] shrink_dcache_parent+0xb0/0x364 [ 73.713547][ T4634] do_one_tree+0x2c/0xf4 [ 73.714426][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 73.715572][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 73.716676][ T4634] kill_block_super+0x78/0xe0 [ 73.717639][ T4634] deactivate_locked_super+0xc0/0x13c [ 73.718768][ T4634] deactivate_super+0xf0/0x110 [ 73.719760][ T4634] cleanup_mnt+0x3bc/0x470 [ 73.720686][ T4634] __cleanup_mnt+0x20/0x30 [ 73.721624][ T4634] task_work_run+0x13c/0x1e8 [ 73.722600][ T4634] do_notify_resume+0x2488/0x30a8 [ 73.723710][ T4634] el0_svc+0xf4/0x1d4 [ 73.724535][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 73.725570][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 73.726499][ T4634] irq event stamp: 357790 [ 73.727387][ T4634] hardirqs last enabled at (357789): [] __up_console_sem+0xb4/0xfc [ 73.729475][ T4634] hardirqs last disabled at (357790): [] el1_dbg+0x24/0x80 [ 73.731371][ T4634] softirqs last enabled at (357698): [] local_bh_enable+0x10/0x34 [ 73.733315][ T4634] softirqs last disabled at (357696): [] local_bh_disable+0x10/0x34 [ 73.735311][ T4634] ---[ end trace ed074a495c703af8 ]--- [ 73.790409][ T4897] loop0: detected capacity change from 0 to 1024 [ 73.846937][ T4897] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 73.856191][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 73.860201][ T4634] ------------[ cut here ]------------ [ 73.861369][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 73.863343][ T4634] Modules linked in: [ 73.864125][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.865926][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 73.868065][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.869805][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 73.871097][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 73.872377][ T4634] sp : ffff80001fff6f80 [ 73.873275][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8f2088 x27: ffff80001fff74d8 [ 73.875014][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000daa18820 [ 73.876737][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000c1b44068 [ 73.878430][ T4634] x20: ffff0000daa18820 x19: ffff0000c1b44000 x18: 1fffe000341c5796 [ 73.880085][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 73.881731][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 73.883411][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 73.885084][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 73.886819][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 73.888487][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.890238][ T4634] Call trace: [ 73.890911][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 73.892030][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 73.893125][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 73.894331][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 73.895556][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 73.896679][ T4634] ext4_dirty_inode+0xd4/0x110 [ 73.897677][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 73.898769][ T4634] iput+0x1bc/0x770 [ 73.899554][ T4634] dentry_unlink_inode+0x360/0x438 [ 73.900639][ T4634] __dentry_kill+0x318/0x590 [ 73.901592][ T4634] shrink_dentry_list+0x404/0x7d0 [ 73.902650][ T4634] shrink_dcache_parent+0xb0/0x364 [ 73.903742][ T4634] do_one_tree+0x2c/0xf4 [ 73.904639][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 73.905741][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 73.906857][ T4634] kill_block_super+0x78/0xe0 [ 73.907817][ T4634] deactivate_locked_super+0xc0/0x13c [ 73.909035][ T4634] deactivate_super+0xf0/0x110 [ 73.910008][ T4634] cleanup_mnt+0x3bc/0x470 [ 73.910887][ T4634] __cleanup_mnt+0x20/0x30 [ 73.911780][ T4634] task_work_run+0x13c/0x1e8 [ 73.912755][ T4634] do_notify_resume+0x2488/0x30a8 [ 73.913843][ T4634] el0_svc+0xf4/0x1d4 [ 73.914668][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 73.915696][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 73.916616][ T4634] irq event stamp: 362840 [ 73.917573][ T4634] hardirqs last enabled at (362839): [] finish_lock_switch+0xb0/0x1c8 [ 73.919669][ T4634] hardirqs last disabled at (362840): [] el1_dbg+0x24/0x80 [ 73.921544][ T4634] softirqs last enabled at (362834): [] handle_softirqs+0xa70/0xc14 [ 73.923557][ T4634] softirqs last disabled at (362755): [] __irq_exit_rcu+0x240/0x434 [ 73.925514][ T4634] ---[ end trace ed074a495c703af9 ]--- [ 74.002307][ T4901] loop0: detected capacity change from 0 to 1024 [ 74.040213][ T4901] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 74.049535][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.051812][ T4634] ------------[ cut here ]------------ [ 74.052869][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.054778][ T4634] Modules linked in: [ 74.055540][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.057403][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 74.059481][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.061169][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.062225][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.063591][ T4634] sp : ffff80001fff6f80 [ 74.064564][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8abe70 x27: ffff80001fff74d8 [ 74.066444][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d3f31020 [ 74.068338][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ec6b0068 [ 74.070104][ T4634] x20: ffff0000d3f31020 x19: ffff0000ec6b0000 x18: 0000000000000001 [ 74.072015][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 74.073834][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 74.075573][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 74.077380][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.079061][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 74.080888][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.082500][ T4634] Call trace: [ 74.083242][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.084385][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 74.085485][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 74.086682][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 74.088031][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 74.089290][ T4634] ext4_dirty_inode+0xd4/0x110 [ 74.090420][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 74.091575][ T4634] iput+0x1bc/0x770 [ 74.092452][ T4634] dentry_unlink_inode+0x360/0x438 [ 74.093597][ T4634] __dentry_kill+0x318/0x590 [ 74.094682][ T4634] shrink_dentry_list+0x404/0x7d0 [ 74.095753][ T4634] shrink_dcache_parent+0xb0/0x364 [ 74.096883][ T4634] do_one_tree+0x2c/0xf4 [ 74.097850][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 74.099077][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 74.100312][ T4634] kill_block_super+0x78/0xe0 [ 74.101293][ T4634] deactivate_locked_super+0xc0/0x13c [ 74.102442][ T4634] deactivate_super+0xf0/0x110 [ 74.103447][ T4634] cleanup_mnt+0x3bc/0x470 [ 74.104447][ T4634] __cleanup_mnt+0x20/0x30 [ 74.105418][ T4634] task_work_run+0x13c/0x1e8 [ 74.106421][ T4634] do_notify_resume+0x2488/0x30a8 [ 74.107521][ T4634] el0_svc+0xf4/0x1d4 [ 74.108418][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 74.109493][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 74.110449][ T4634] irq event stamp: 368436 [ 74.111374][ T4634] hardirqs last enabled at (368435): [] __up_console_sem+0xb4/0xfc [ 74.113487][ T4634] hardirqs last disabled at (368436): [] el1_dbg+0x24/0x80 [ 74.115445][ T4634] softirqs last enabled at (368358): [] local_bh_enable+0x10/0x34 [ 74.117550][ T4634] softirqs last disabled at (368356): [] local_bh_disable+0x10/0x34 [ 74.119690][ T4634] ---[ end trace ed074a495c703afa ]--- [ 74.219690][ T4905] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 74.239018][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.241375][ T4634] ------------[ cut here ]------------ [ 74.242432][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.244268][ T4634] Modules linked in: [ 74.244990][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.246736][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 74.248717][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.250530][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.251789][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.252957][ T4634] sp : ffff80001fff6f80 [ 74.253818][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8f3e70 x27: ffff80001fff74d8 [ 74.255497][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000ca7d8820 [ 74.257286][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d5f56068 [ 74.258953][ T4634] x20: ffff0000ca7d8820 x19: ffff0000d5f56000 x18: 0000000000000001 [ 74.260604][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 74.262240][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 74.263899][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 74.265556][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.267235][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 74.268894][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.270566][ T4634] Call trace: [ 74.271246][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.272382][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 74.273460][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 74.274620][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 74.275818][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 74.276906][ T4634] ext4_dirty_inode+0xd4/0x110 [ 74.277892][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 74.278953][ T4634] iput+0x1bc/0x770 [ 74.279788][ T4634] dentry_unlink_inode+0x360/0x438 [ 74.280863][ T4634] __dentry_kill+0x318/0x590 [ 74.281817][ T4634] shrink_dentry_list+0x404/0x7d0 [ 74.282857][ T4634] shrink_dcache_parent+0xb0/0x364 [ 74.283925][ T4634] do_one_tree+0x2c/0xf4 [ 74.284802][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 74.285931][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 74.287035][ T4634] kill_block_super+0x78/0xe0 [ 74.288025][ T4634] deactivate_locked_super+0xc0/0x13c [ 74.289144][ T4634] deactivate_super+0xf0/0x110 [ 74.290176][ T4634] cleanup_mnt+0x3bc/0x470 [ 74.291106][ T4634] __cleanup_mnt+0x20/0x30 [ 74.292019][ T4634] task_work_run+0x13c/0x1e8 [ 74.292985][ T4634] do_notify_resume+0x2488/0x30a8 [ 74.294057][ T4634] el0_svc+0xf4/0x1d4 [ 74.294880][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 74.295909][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 74.296835][ T4634] irq event stamp: 373918 [ 74.297728][ T4634] hardirqs last enabled at (373917): [] __up_console_sem+0xb4/0xfc [ 74.299730][ T4634] hardirqs last disabled at (373918): [] el1_dbg+0x24/0x80 [ 74.301610][ T4634] softirqs last enabled at (373846): [] local_bh_enable+0x10/0x34 [ 74.303594][ T4634] softirqs last disabled at (373844): [] local_bh_disable+0x10/0x34 [ 74.305648][ T4634] ---[ end trace ed074a495c703afb ]--- [ 74.496150][ T4909] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 74.506066][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.508909][ T4634] ------------[ cut here ]------------ [ 74.509895][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.512008][ T4634] Modules linked in: [ 74.512847][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.514773][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 74.516999][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.518749][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.519929][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.521117][ T4634] sp : ffff80001fff6f80 [ 74.521976][ T4634] x29: ffff80001fff71c0 x28: ffff0000debb82a0 x27: ffff80001fff74d8 [ 74.523671][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d5b7a020 [ 74.525333][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d3b78068 [ 74.526973][ T4634] x20: ffff0000d5b7a020 x19: ffff0000d3b78000 x18: 0000000000000002 [ 74.528608][ T4634] x17: 0000000040000000 x16: ffff80001137fc94 x15: 0000000000000002 [ 74.530239][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 74.531804][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 74.533379][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.534955][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 74.536601][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.538231][ T4634] Call trace: [ 74.538907][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.540088][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 74.541217][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 74.542377][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 74.543604][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 74.544760][ T4634] ext4_dirty_inode+0xd4/0x110 [ 74.545767][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 74.546789][ T4634] iput+0x1bc/0x770 [ 74.547547][ T4634] dentry_unlink_inode+0x360/0x438 [ 74.548582][ T4634] __dentry_kill+0x318/0x590 [ 74.549509][ T4634] shrink_dentry_list+0x404/0x7d0 [ 74.550541][ T4634] shrink_dcache_parent+0xb0/0x364 [ 74.551621][ T4634] do_one_tree+0x2c/0xf4 [ 74.552642][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 74.553893][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 74.555124][ T4634] kill_block_super+0x78/0xe0 [ 74.556205][ T4634] deactivate_locked_super+0xc0/0x13c [ 74.557409][ T4634] deactivate_super+0xf0/0x110 [ 74.558478][ T4634] cleanup_mnt+0x3bc/0x470 [ 74.559475][ T4634] __cleanup_mnt+0x20/0x30 [ 74.560448][ T4634] task_work_run+0x13c/0x1e8 [ 74.561493][ T4634] do_notify_resume+0x2488/0x30a8 [ 74.562517][ T4634] el0_svc+0xf4/0x1d4 [ 74.563315][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 74.564528][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 74.565559][ T4634] irq event stamp: 380528 [ 74.566543][ T4634] hardirqs last enabled at (380527): [] finish_lock_switch+0xb0/0x1c8 [ 74.568798][ T4634] hardirqs last disabled at (380528): [] el1_dbg+0x24/0x80 [ 74.570650][ T4634] softirqs last enabled at (380522): [] handle_softirqs+0xa70/0xc14 [ 74.572815][ T4634] softirqs last disabled at (380505): [] __irq_exit_rcu+0x240/0x434 [ 74.574904][ T4634] ---[ end trace ed074a495c703afc ]--- [ 74.619168][ T4913] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 74.630425][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.633382][ T4634] ------------[ cut here ]------------ [ 74.634449][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.636346][ T4634] Modules linked in: [ 74.637099][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.638896][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 74.641017][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.642885][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.644196][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.645475][ T4634] sp : ffff80001fff6f80 [ 74.646379][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8f6650 x27: ffff80001fff74d8 [ 74.648154][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000ed97f820 [ 74.649829][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d3c6e068 [ 74.651459][ T4634] x20: ffff0000ed97f820 x19: ffff0000d3c6e000 x18: 0000000000000001 [ 74.653105][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 74.654750][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 74.656371][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 74.658090][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.659660][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 74.661465][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.663292][ T4634] Call trace: [ 74.664003][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.665146][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 74.666265][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 74.667512][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 74.668709][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 74.669931][ T4634] ext4_dirty_inode+0xd4/0x110 [ 74.670987][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 74.672063][ T4634] iput+0x1bc/0x770 [ 74.672862][ T4634] dentry_unlink_inode+0x360/0x438 [ 74.673941][ T4634] __dentry_kill+0x318/0x590 [ 74.674914][ T4634] shrink_dentry_list+0x404/0x7d0 [ 74.675965][ T4634] shrink_dcache_parent+0xb0/0x364 [ 74.677000][ T4634] do_one_tree+0x2c/0xf4 [ 74.677834][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 74.678942][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 74.680010][ T4634] kill_block_super+0x78/0xe0 [ 74.681015][ T4634] deactivate_locked_super+0xc0/0x13c [ 74.682149][ T4634] deactivate_super+0xf0/0x110 [ 74.683171][ T4634] cleanup_mnt+0x3bc/0x470 [ 74.684071][ T4634] __cleanup_mnt+0x20/0x30 [ 74.684969][ T4634] task_work_run+0x13c/0x1e8 [ 74.685907][ T4634] do_notify_resume+0x2488/0x30a8 [ 74.686933][ T4634] el0_svc+0xf4/0x1d4 [ 74.687759][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 74.688839][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 74.689773][ T4634] irq event stamp: 386694 [ 74.690650][ T4634] hardirqs last enabled at (386693): [] __up_console_sem+0xb4/0xfc [ 74.692633][ T4634] hardirqs last disabled at (386694): [] el1_dbg+0x24/0x80 [ 74.694424][ T4634] softirqs last enabled at (386628): [] local_bh_enable+0x10/0x34 [ 74.696402][ T4634] softirqs last disabled at (386626): [] local_bh_disable+0x10/0x34 [ 74.698354][ T4634] ---[ end trace ed074a495c703afd ]--- [ 74.820238][ T4917] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 74.831540][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.834144][ T4634] ------------[ cut here ]------------ [ 74.835292][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 74.837308][ T4634] Modules linked in: [ 74.838161][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.840004][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 74.842484][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.844296][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 74.845475][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 74.846690][ T4634] sp : ffff80001fff6f80 [ 74.847572][ T4634] x29: ffff80001fff71c0 x28: ffff0000debbc868 x27: ffff80001fff74d8 [ 74.849300][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000eeac8820 [ 74.851030][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000de128068 [ 74.852730][ T4634] x20: ffff0000eeac8820 x19: ffff0000de128000 x18: 1fffe000341c5796 [ 74.854461][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 74.856199][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 74.858072][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 74.859974][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.861768][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 74.863547][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.865285][ T4634] Call trace: [ 74.866022][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 74.867201][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 74.868294][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 74.869491][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 74.870637][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 74.871809][ T4634] ext4_dirty_inode+0xd4/0x110 [ 74.872749][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 74.873776][ T4634] iput+0x1bc/0x770 [ 74.874555][ T4634] dentry_unlink_inode+0x360/0x438 [ 74.875591][ T4634] __dentry_kill+0x318/0x590 [ 74.876704][ T4634] shrink_dentry_list+0x404/0x7d0 [ 74.877904][ T4634] shrink_dcache_parent+0xb0/0x364 [ 74.879063][ T4634] do_one_tree+0x2c/0xf4 [ 74.880064][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 74.881295][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 74.882597][ T4634] kill_block_super+0x78/0xe0 [ 74.883712][ T4634] deactivate_locked_super+0xc0/0x13c [ 74.884928][ T4634] deactivate_super+0xf0/0x110 [ 74.885944][ T4634] cleanup_mnt+0x3bc/0x470 [ 74.886881][ T4634] __cleanup_mnt+0x20/0x30 [ 74.887791][ T4634] task_work_run+0x13c/0x1e8 [ 74.888876][ T4634] do_notify_resume+0x2488/0x30a8 [ 74.890039][ T4634] el0_svc+0xf4/0x1d4 [ 74.890931][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 74.892074][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 74.893109][ T4634] irq event stamp: 392450 [ 74.894083][ T4634] hardirqs last enabled at (392449): [] finish_lock_switch+0xb0/0x1c8 [ 74.896262][ T4634] hardirqs last disabled at (392450): [] el1_dbg+0x24/0x80 [ 74.898040][ T4634] softirqs last enabled at (392374): [] local_bh_enable+0x10/0x34 [ 74.899995][ T4634] softirqs last disabled at (392372): [] local_bh_disable+0x10/0x34 [ 74.901970][ T4634] ---[ end trace ed074a495c703afe ]--- [ 74.979530][ T4922] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 74.989963][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 74.997863][ T4634] ------------[ cut here ]------------ [ 74.999062][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.000939][ T4634] Modules linked in: [ 75.001715][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.003340][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 75.005263][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.006717][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.007817][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.008985][ T4634] sp : ffff80001fff6f80 [ 75.009896][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8ee650 x27: ffff80001fff74d8 [ 75.011528][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000dbf18020 [ 75.013181][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d81a6068 [ 75.014834][ T4634] x20: ffff0000dbf18020 x19: ffff0000d81a6000 x18: 1fffe000341c1596 [ 75.016484][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 75.018166][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 75.019835][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 75.021516][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.023250][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 75.025053][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.026834][ T4634] Call trace: [ 75.027546][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.028682][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 75.029834][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 75.031089][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 75.032242][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 75.033365][ T4634] ext4_dirty_inode+0xd4/0x110 [ 75.034338][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 75.035353][ T4634] iput+0x1bc/0x770 [ 75.036174][ T4634] dentry_unlink_inode+0x360/0x438 [ 75.037206][ T4634] __dentry_kill+0x318/0x590 [ 75.038168][ T4634] shrink_dentry_list+0x404/0x7d0 [ 75.039215][ T4634] shrink_dcache_parent+0xb0/0x364 [ 75.040280][ T4634] do_one_tree+0x2c/0xf4 [ 75.041198][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 75.042376][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 75.043464][ T4634] kill_block_super+0x78/0xe0 [ 75.044407][ T4634] deactivate_locked_super+0xc0/0x13c [ 75.045567][ T4634] deactivate_super+0xf0/0x110 [ 75.046591][ T4634] cleanup_mnt+0x3bc/0x470 [ 75.047491][ T4634] __cleanup_mnt+0x20/0x30 [ 75.048418][ T4634] task_work_run+0x13c/0x1e8 [ 75.049380][ T4634] do_notify_resume+0x2488/0x30a8 [ 75.050383][ T4634] el0_svc+0xf4/0x1d4 [ 75.051206][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 75.052255][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 75.053199][ T4634] irq event stamp: 398034 [ 75.054090][ T4634] hardirqs last enabled at (398033): [] finish_lock_switch+0xb0/0x1c8 [ 75.056079][ T4634] hardirqs last disabled at (398034): [] el1_dbg+0x24/0x80 [ 75.057886][ T4634] softirqs last enabled at (397952): [] local_bh_enable+0x10/0x34 [ 75.059776][ T4634] softirqs last disabled at (397950): [] local_bh_disable+0x10/0x34 [ 75.061741][ T4634] ---[ end trace ed074a495c703aff ]--- [ 75.169563][ T4927] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 75.181736][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.184048][ T4634] ------------[ cut here ]------------ [ 75.185047][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.186874][ T4634] Modules linked in: [ 75.187599][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.189507][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 75.191609][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.193188][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.194351][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.195543][ T4634] sp : ffff80001fff6f80 [ 75.196387][ T4634] x29: ffff80001fff71c0 x28: ffff0000de8ebe70 x27: ffff80001fff74d8 [ 75.198082][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d9ab2020 [ 75.199833][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d8c76068 [ 75.201533][ T4634] x20: ffff0000d9ab2020 x19: ffff0000d8c76000 x18: 0000000000000001 [ 75.203227][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 75.204923][ T4634] x14: 0000000000000001 x13: 1fffe000341c15ab x12: 0000000000000000 [ 75.206635][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 75.208389][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.210137][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff800008512750 [ 75.211867][ T4634] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.213590][ T4634] Call trace: [ 75.214268][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.215393][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 75.216493][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 75.217734][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 75.218894][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 75.219992][ T4634] ext4_dirty_inode+0xd4/0x110 [ 75.220962][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 75.221962][ T4634] iput+0x1bc/0x770 [ 75.222717][ T4634] dentry_unlink_inode+0x360/0x438 [ 75.223795][ T4634] __dentry_kill+0x318/0x590 [ 75.224766][ T4634] shrink_dentry_list+0x404/0x7d0 [ 75.225814][ T4634] shrink_dcache_parent+0xb0/0x364 [ 75.226919][ T4634] do_one_tree+0x2c/0xf4 [ 75.227805][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 75.228941][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 75.230043][ T4634] kill_block_super+0x78/0xe0 [ 75.231013][ T4634] deactivate_locked_super+0xc0/0x13c [ 75.232186][ T4634] deactivate_super+0xf0/0x110 [ 75.233148][ T4634] cleanup_mnt+0x3bc/0x470 [ 75.234046][ T4634] __cleanup_mnt+0x20/0x30 [ 75.235009][ T4634] task_work_run+0x13c/0x1e8 [ 75.235996][ T4634] do_notify_resume+0x2488/0x30a8 [ 75.237042][ T4634] el0_svc+0xf4/0x1d4 [ 75.237861][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 75.238895][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 75.239834][ T4634] irq event stamp: 402914 [ 75.240917][ T4634] hardirqs last enabled at (402913): [] __up_console_sem+0xb4/0xfc [ 75.243013][ T4634] hardirqs last disabled at (402914): [] el1_dbg+0x24/0x80 [ 75.244837][ T4634] softirqs last enabled at (402848): [] local_bh_enable+0x10/0x34 [ 75.246896][ T4634] softirqs last disabled at (402846): [] local_bh_disable+0x10/0x34 [ 75.248889][ T4634] ---[ end trace ed074a495c703b00 ]--- [ 75.379064][ T4931] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 75.390481][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.392905][ T4634] ------------[ cut here ]------------ [ 75.393994][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.395905][ T4634] Modules linked in: [ 75.396747][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.398917][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 75.401134][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.402789][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.403960][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.405117][ T4634] sp : ffff80001fff6f80 [ 75.405993][ T4634] x29: ffff80001fff71c0 x28: ffff0000f0010c98 x27: ffff80001fff74d8 [ 75.407613][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000dab20020 [ 75.409274][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000c853a068 [ 75.411235][ T4634] x20: ffff0000dab20020 x19: ffff0000c853a000 x18: 0000000000000001 [ 75.412858][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 75.414428][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 75.416121][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 75.417810][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.419444][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 75.421093][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.422790][ T4634] Call trace: [ 75.423461][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.424600][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 75.425734][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 75.427004][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 75.428263][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 75.429409][ T4634] ext4_dirty_inode+0xd4/0x110 [ 75.430544][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 75.431778][ T4634] iput+0x1bc/0x770 [ 75.432669][ T4634] dentry_unlink_inode+0x360/0x438 [ 75.433755][ T4634] __dentry_kill+0x318/0x590 [ 75.434716][ T4634] shrink_dentry_list+0x404/0x7d0 [ 75.435750][ T4634] shrink_dcache_parent+0xb0/0x364 [ 75.436800][ T4634] do_one_tree+0x2c/0xf4 [ 75.437694][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 75.438832][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 75.439945][ T4634] kill_block_super+0x78/0xe0 [ 75.440917][ T4634] deactivate_locked_super+0xc0/0x13c [ 75.442032][ T4634] deactivate_super+0xf0/0x110 [ 75.443039][ T4634] cleanup_mnt+0x3bc/0x470 [ 75.443934][ T4634] __cleanup_mnt+0x20/0x30 [ 75.444828][ T4634] task_work_run+0x13c/0x1e8 [ 75.445701][ T4634] do_notify_resume+0x2488/0x30a8 [ 75.446640][ T4634] el0_svc+0xf4/0x1d4 [ 75.447401][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 75.448446][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 75.449275][ T4634] irq event stamp: 408252 [ 75.450134][ T4634] hardirqs last enabled at (408251): [] __up_console_sem+0xb4/0xfc [ 75.452066][ T4634] hardirqs last disabled at (408252): [] el1_dbg+0x24/0x80 [ 75.453870][ T4634] softirqs last enabled at (408166): [] local_bh_enable+0x10/0x34 [ 75.455878][ T4634] softirqs last disabled at (408164): [] local_bh_disable+0x10/0x34 [ 75.457815][ T4634] ---[ end trace ed074a495c703b01 ]--- [ 75.539257][ T4935] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 75.552430][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.554924][ T4634] ------------[ cut here ]------------ [ 75.556007][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.558020][ T4634] Modules linked in: [ 75.558864][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.560772][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 75.562822][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.564312][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.565454][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.566596][ T4634] sp : ffff80001fff6f80 [ 75.567436][ T4634] x29: ffff80001fff71c0 x28: ffff0000de90b478 x27: ffff80001fff74d8 [ 75.569115][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d6201020 [ 75.570781][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ef0cc068 [ 75.572484][ T4634] x20: ffff0000d6201020 x19: ffff0000ef0cc000 x18: 0000000000000001 [ 75.574162][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 75.575823][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 75.577489][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 75.579128][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.580773][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 75.582412][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.584090][ T4634] Call trace: [ 75.584779][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.585860][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 75.586916][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 75.588093][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 75.589243][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 75.590340][ T4634] ext4_dirty_inode+0xd4/0x110 [ 75.591313][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 75.592382][ T4634] iput+0x1bc/0x770 [ 75.593192][ T4634] dentry_unlink_inode+0x360/0x438 [ 75.594244][ T4634] __dentry_kill+0x318/0x590 [ 75.595197][ T4634] shrink_dentry_list+0x404/0x7d0 [ 75.596267][ T4634] shrink_dcache_parent+0xb0/0x364 [ 75.597324][ T4634] do_one_tree+0x2c/0xf4 [ 75.598214][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 75.599322][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 75.600426][ T4634] kill_block_super+0x78/0xe0 [ 75.601389][ T4634] deactivate_locked_super+0xc0/0x13c [ 75.602529][ T4634] deactivate_super+0xf0/0x110 [ 75.603530][ T4634] cleanup_mnt+0x3bc/0x470 [ 75.604510][ T4634] __cleanup_mnt+0x20/0x30 [ 75.605474][ T4634] task_work_run+0x13c/0x1e8 [ 75.606414][ T4634] do_notify_resume+0x2488/0x30a8 [ 75.607408][ T4634] el0_svc+0xf4/0x1d4 [ 75.608213][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 75.609270][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 75.610158][ T4634] irq event stamp: 414090 [ 75.611029][ T4634] hardirqs last enabled at (414089): [] __up_console_sem+0xb4/0xfc [ 75.612996][ T4634] hardirqs last disabled at (414090): [] el1_dbg+0x24/0x80 [ 75.614775][ T4634] softirqs last enabled at (414012): [] local_bh_enable+0x10/0x34 [ 75.616693][ T4634] softirqs last disabled at (414010): [] local_bh_disable+0x10/0x34 [ 75.618710][ T4634] ---[ end trace ed074a495c703b02 ]--- [ 75.699799][ T4939] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 75.709614][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.712035][ T4634] ------------[ cut here ]------------ [ 75.713076][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.714930][ T4634] Modules linked in: [ 75.715688][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.717463][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 75.719670][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.721388][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.722645][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.723704][ T4634] sp : ffff80001fff6f80 [ 75.724523][ T4634] x29: ffff80001fff71c0 x28: ffff0000f00102a0 x27: ffff80001fff74d8 [ 75.726179][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000da589020 [ 75.727849][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d881a068 [ 75.729462][ T4634] x20: ffff0000da589020 x19: ffff0000d881a000 x18: 0000000000000001 [ 75.731126][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 75.732829][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 75.734572][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 75.736312][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.738058][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 75.739783][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.741481][ T4634] Call trace: [ 75.742176][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.743328][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 75.744459][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 75.745707][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 75.746903][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 75.748046][ T4634] ext4_dirty_inode+0xd4/0x110 [ 75.749026][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 75.750081][ T4634] iput+0x1bc/0x770 [ 75.750860][ T4634] dentry_unlink_inode+0x360/0x438 [ 75.751918][ T4634] __dentry_kill+0x318/0x590 [ 75.752888][ T4634] shrink_dentry_list+0x404/0x7d0 [ 75.753928][ T4634] shrink_dcache_parent+0xb0/0x364 [ 75.755013][ T4634] do_one_tree+0x2c/0xf4 [ 75.755928][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 75.757076][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 75.758200][ T4634] kill_block_super+0x78/0xe0 [ 75.759179][ T4634] deactivate_locked_super+0xc0/0x13c [ 75.760273][ T4634] deactivate_super+0xf0/0x110 [ 75.761272][ T4634] cleanup_mnt+0x3bc/0x470 [ 75.762193][ T4634] __cleanup_mnt+0x20/0x30 [ 75.763146][ T4634] task_work_run+0x13c/0x1e8 [ 75.764096][ T4634] do_notify_resume+0x2488/0x30a8 [ 75.765088][ T4634] el0_svc+0xf4/0x1d4 [ 75.765907][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 75.766927][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 75.767837][ T4634] irq event stamp: 419338 [ 75.768732][ T4634] hardirqs last enabled at (419337): [] __up_console_sem+0xb4/0xfc [ 75.770722][ T4634] hardirqs last disabled at (419338): [] el1_dbg+0x24/0x80 [ 75.772517][ T4634] softirqs last enabled at (419238): [] local_bh_enable+0x10/0x34 [ 75.774507][ T4634] softirqs last disabled at (419236): [] local_bh_disable+0x10/0x34 [ 75.776515][ T4634] ---[ end trace ed074a495c703b03 ]--- [ 75.869243][ T4943] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 75.881353][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 75.883881][ T4634] ------------[ cut here ]------------ [ 75.885150][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 75.887187][ T4634] Modules linked in: [ 75.888021][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.889973][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 75.892193][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.893806][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 75.895019][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 75.896184][ T4634] sp : ffff80001fff6f80 [ 75.897039][ T4634] x29: ffff80001fff71c0 x28: ffff0000de90be70 x27: ffff80001fff74d8 [ 75.898764][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d892f020 [ 75.900436][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000da1b6068 [ 75.902124][ T4634] x20: ffff0000d892f020 x19: ffff0000da1b6000 x18: 0000000000000002 [ 75.903821][ T4634] x17: 0000000040000000 x16: ffff80001137fc94 x15: 0000000000000002 [ 75.905564][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 75.907250][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 75.908960][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.910738][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 75.912469][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.914199][ T4634] Call trace: [ 75.914896][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 75.916008][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 75.917090][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 75.918281][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 75.919450][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 75.920587][ T4634] ext4_dirty_inode+0xd4/0x110 [ 75.921613][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 75.922660][ T4634] iput+0x1bc/0x770 [ 75.923473][ T4634] dentry_unlink_inode+0x360/0x438 [ 75.924558][ T4634] __dentry_kill+0x318/0x590 [ 75.925558][ T4634] shrink_dentry_list+0x404/0x7d0 [ 75.926602][ T4634] shrink_dcache_parent+0xb0/0x364 [ 75.927667][ T4634] do_one_tree+0x2c/0xf4 [ 75.928586][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 75.929671][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 75.930832][ T4634] kill_block_super+0x78/0xe0 [ 75.931812][ T4634] deactivate_locked_super+0xc0/0x13c [ 75.932931][ T4634] deactivate_super+0xf0/0x110 [ 75.933866][ T4634] cleanup_mnt+0x3bc/0x470 [ 75.934720][ T4634] __cleanup_mnt+0x20/0x30 [ 75.935634][ T4634] task_work_run+0x13c/0x1e8 [ 75.936531][ T4634] do_notify_resume+0x2488/0x30a8 [ 75.937538][ T4634] el0_svc+0xf4/0x1d4 [ 75.938357][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 75.939405][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 75.940465][ T4634] irq event stamp: 425358 [ 75.941466][ T4634] hardirqs last enabled at (425357): [] finish_lock_switch+0xb0/0x1c8 [ 75.943478][ T4634] hardirqs last disabled at (425358): [] el1_dbg+0x24/0x80 [ 75.945307][ T4634] softirqs last enabled at (425276): [] local_bh_enable+0x10/0x34 [ 75.947258][ T4634] softirqs last disabled at (425274): [] local_bh_disable+0x10/0x34 [ 75.949259][ T4634] ---[ end trace ed074a495c703b04 ]--- [ 76.110386][ T4947] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 76.120922][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 76.123424][ T4634] ------------[ cut here ]------------ [ 76.124506][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 76.126401][ T4634] Modules linked in: [ 76.127128][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.128973][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 76.131381][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.133114][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 76.134380][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 76.135568][ T4634] sp : ffff80001fff6f80 [ 76.136448][ T4634] x29: ffff80001fff71c0 x28: ffff0000de909690 x27: ffff80001fff74d8 [ 76.138311][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d6e06820 [ 76.140173][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000cf82e068 [ 76.141943][ T4634] x20: ffff0000d6e06820 x19: ffff0000cf82e000 x18: 0000000000000001 [ 76.143891][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 76.145797][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 76.147752][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 76.149466][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.151183][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 76.152824][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.154503][ T4634] Call trace: [ 76.155204][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 76.156327][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 76.157527][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 76.158747][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 76.159941][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 76.161135][ T4634] ext4_dirty_inode+0xd4/0x110 [ 76.162134][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 76.163253][ T4634] iput+0x1bc/0x770 [ 76.164041][ T4634] dentry_unlink_inode+0x360/0x438 [ 76.165090][ T4634] __dentry_kill+0x318/0x590 [ 76.166077][ T4634] shrink_dentry_list+0x404/0x7d0 [ 76.167194][ T4634] shrink_dcache_parent+0xb0/0x364 [ 76.168351][ T4634] do_one_tree+0x2c/0xf4 [ 76.169267][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 76.170467][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 76.171578][ T4634] kill_block_super+0x78/0xe0 [ 76.172697][ T4634] deactivate_locked_super+0xc0/0x13c [ 76.173890][ T4634] deactivate_super+0xf0/0x110 [ 76.174843][ T4634] cleanup_mnt+0x3bc/0x470 [ 76.175761][ T4634] __cleanup_mnt+0x20/0x30 [ 76.176677][ T4634] task_work_run+0x13c/0x1e8 [ 76.177614][ T4634] do_notify_resume+0x2488/0x30a8 [ 76.178659][ T4634] el0_svc+0xf4/0x1d4 [ 76.179439][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 76.180429][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 76.181363][ T4634] irq event stamp: 431020 [ 76.182221][ T4634] hardirqs last enabled at (431019): [] __up_console_sem+0xb4/0xfc [ 76.184402][ T4634] hardirqs last disabled at (431020): [] el1_dbg+0x24/0x80 [ 76.186285][ T4634] softirqs last enabled at (430948): [] local_bh_enable+0x10/0x34 [ 76.188334][ T4634] softirqs last disabled at (430946): [] local_bh_disable+0x10/0x34 [ 76.190416][ T4634] ---[ end trace ed074a495c703b05 ]--- [ 76.330634][ T4953] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 76.340269][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 76.342631][ T4634] ------------[ cut here ]------------ [ 76.343703][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 76.345509][ T4634] Modules linked in: [ 76.346271][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.348058][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 76.350168][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.351859][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 76.353223][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 76.354627][ T4634] sp : ffff80001fff6f80 [ 76.355500][ T4634] x29: ffff80001fff71c0 x28: ffff0000f0063e70 x27: ffff80001fff74d8 [ 76.357186][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000c126a020 [ 76.358795][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000d7038068 [ 76.360420][ T4634] x20: ffff0000c126a020 x19: ffff0000d7038000 x18: 0000000000000001 [ 76.362050][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 76.363672][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 76.365356][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 76.367003][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.368608][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 76.370248][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.371887][ T4634] Call trace: [ 76.372578][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 76.373642][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 76.374740][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 76.375925][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 76.377058][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 76.378176][ T4634] ext4_dirty_inode+0xd4/0x110 [ 76.379124][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 76.380137][ T4634] iput+0x1bc/0x770 [ 76.380894][ T4634] dentry_unlink_inode+0x360/0x438 [ 76.381920][ T4634] __dentry_kill+0x318/0x590 [ 76.382889][ T4634] shrink_dentry_list+0x404/0x7d0 [ 76.383918][ T4634] shrink_dcache_parent+0xb0/0x364 [ 76.384980][ T4634] do_one_tree+0x2c/0xf4 [ 76.385849][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 76.386986][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 76.388094][ T4634] kill_block_super+0x78/0xe0 [ 76.389063][ T4634] deactivate_locked_super+0xc0/0x13c [ 76.390253][ T4634] deactivate_super+0xf0/0x110 [ 76.391194][ T4634] cleanup_mnt+0x3bc/0x470 [ 76.392030][ T4634] __cleanup_mnt+0x20/0x30 [ 76.392875][ T4634] task_work_run+0x13c/0x1e8 [ 76.393766][ T4634] do_notify_resume+0x2488/0x30a8 [ 76.394732][ T4634] el0_svc+0xf4/0x1d4 [ 76.395517][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 76.396550][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 76.397470][ T4634] irq event stamp: 437042 [ 76.398334][ T4634] hardirqs last enabled at (437041): [] __up_console_sem+0xb4/0xfc [ 76.400297][ T4634] hardirqs last disabled at (437042): [] el1_dbg+0x24/0x80 [ 76.402076][ T4634] softirqs last enabled at (436960): [] local_bh_enable+0x10/0x34 [ 76.404056][ T4634] softirqs last disabled at (436958): [] local_bh_disable+0x10/0x34 [ 76.406032][ T4634] ---[ end trace ed074a495c703b06 ]--- [ 76.454640][ T4958] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 76.470591][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 76.473027][ T4634] ------------[ cut here ]------------ [ 76.474015][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 76.475874][ T4634] Modules linked in: [ 76.476612][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.478363][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 76.480616][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.482505][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 76.483822][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 76.485137][ T4634] sp : ffff80001fff6f80 [ 76.486031][ T4634] x29: ffff80001fff71c0 x28: ffff0000f0067048 x27: ffff80001fff74d8 [ 76.487755][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d94b3820 [ 76.489586][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000db0ba068 [ 76.491366][ T4634] x20: ffff0000d94b3820 x19: ffff0000db0ba000 x18: 0000000000000001 [ 76.493160][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 76.494812][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 76.496475][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 76.498176][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.499875][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 76.501569][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.503263][ T4634] Call trace: [ 76.503951][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 76.505056][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 76.506137][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 76.507398][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 76.508623][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 76.509816][ T4634] ext4_dirty_inode+0xd4/0x110 [ 76.510862][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 76.511926][ T4634] iput+0x1bc/0x770 [ 76.512705][ T4634] dentry_unlink_inode+0x360/0x438 [ 76.513787][ T4634] __dentry_kill+0x318/0x590 [ 76.514776][ T4634] shrink_dentry_list+0x404/0x7d0 [ 76.515831][ T4634] shrink_dcache_parent+0xb0/0x364 [ 76.516963][ T4634] do_one_tree+0x2c/0xf4 [ 76.517849][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 76.518930][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 76.520005][ T4634] kill_block_super+0x78/0xe0 [ 76.520999][ T4634] deactivate_locked_super+0xc0/0x13c [ 76.522072][ T4634] deactivate_super+0xf0/0x110 [ 76.523065][ T4634] cleanup_mnt+0x3bc/0x470 [ 76.524220][ T4634] __cleanup_mnt+0x20/0x30 [ 76.525150][ T4634] task_work_run+0x13c/0x1e8 [ 76.526100][ T4634] do_notify_resume+0x2488/0x30a8 [ 76.527143][ T4634] el0_svc+0xf4/0x1d4 [ 76.527940][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 76.528969][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 76.529895][ T4634] irq event stamp: 442536 [ 76.530788][ T4634] hardirqs last enabled at (442535): [] __up_console_sem+0xb4/0xfc [ 76.532745][ T4634] hardirqs last disabled at (442536): [] el1_dbg+0x24/0x80 [ 76.534594][ T4634] softirqs last enabled at (442454): [] local_bh_enable+0x10/0x34 [ 76.536565][ T4634] softirqs last disabled at (442452): [] local_bh_disable+0x10/0x34 [ 76.538624][ T4634] ---[ end trace ed074a495c703b07 ]--- [ 76.640063][ T4962] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 76.650256][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 76.652666][ T4634] ------------[ cut here ]------------ [ 76.653763][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 76.655801][ T4634] Modules linked in: [ 76.656644][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.658479][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 76.660654][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.662346][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 76.663544][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 76.664725][ T4634] sp : ffff80001fff6f80 [ 76.665574][ T4634] x29: ffff80001fff71c0 x28: ffff0000deb41690 x27: ffff80001fff74d8 [ 76.667284][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000d209d820 [ 76.668990][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000dd59e068 [ 76.670677][ T4634] x20: ffff0000d209d820 x19: ffff0000dd59e000 x18: 0000000000000001 [ 76.672321][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 76.673976][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 76.675624][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 76.677258][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 76.678957][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 76.680639][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.682350][ T4634] Call trace: [ 76.683075][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 76.684236][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 76.685370][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 76.686606][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 76.687806][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 76.688930][ T4634] ext4_dirty_inode+0xd4/0x110 [ 76.689923][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 76.691123][ T4634] iput+0x1bc/0x770 [ 76.691989][ T4634] dentry_unlink_inode+0x360/0x438 [ 76.693137][ T4634] __dentry_kill+0x318/0x590 [ 76.694172][ T4634] shrink_dentry_list+0x404/0x7d0 [ 76.695302][ T4634] shrink_dcache_parent+0xb0/0x364 [ 76.696401][ T4634] do_one_tree+0x2c/0xf4 [ 76.697312][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 76.698524][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 76.699671][ T4634] kill_block_super+0x78/0xe0 [ 76.700664][ T4634] deactivate_locked_super+0xc0/0x13c [ 76.701777][ T4634] deactivate_super+0xf0/0x110 [ 76.702831][ T4634] cleanup_mnt+0x3bc/0x470 [ 76.703778][ T4634] __cleanup_mnt+0x20/0x30 [ 76.704750][ T4634] task_work_run+0x13c/0x1e8 [ 76.705760][ T4634] do_notify_resume+0x2488/0x30a8 [ 76.706848][ T4634] el0_svc+0xf4/0x1d4 [ 76.707716][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 76.708784][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 76.709714][ T4634] irq event stamp: 447470 [ 76.710652][ T4634] hardirqs last enabled at (447469): [] __schedule+0xf20/0x1c6c [ 76.712519][ T4634] hardirqs last disabled at (447470): [] el1_dbg+0x24/0x80 [ 76.714303][ T4634] softirqs last enabled at (447394): [] local_bh_enable+0x10/0x34 [ 76.716296][ T4634] softirqs last disabled at (447392): [] local_bh_disable+0x10/0x34 [ 76.718318][ T4634] ---[ end trace ed074a495c703b08 ]--- [ 76.829361][ T4967] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 76.839202][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 76.841704][ T4634] ------------[ cut here ]------------ [ 76.842724][ T4634] WARNING: CPU: 1 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 76.844711][ T4634] Modules linked in: [ 76.845488][ T4634] CPU: 1 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.847192][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 76.849360][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.851059][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 76.852293][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 76.853493][ T4634] sp : ffff80001fff6f80 [ 76.854359][ T4634] x29: ffff80001fff71c0 x28: ffff0000deb22a80 x27: ffff80001fff74d8 [ 76.856236][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000c1996020 [ 76.858091][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000ecdbe068 [ 76.859917][ T4634] x20: ffff0000c1996020 x19: ffff0000ecdbe000 x18: 0000000000000001 [ 76.861691][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 76.863493][ T4634] x14: 0000000000000001 x13: 1fffe000341c6ed7 x12: 0000000000000000 [ 76.865297][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 76.866925][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.868550][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 76.870223][ T4634] x2 : ffff0001a0e2bd50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.871863][ T4634] Call trace: [ 76.872518][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 76.873812][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 76.875041][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 76.876374][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 76.877541][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 76.878637][ T4634] ext4_dirty_inode+0xd4/0x110 [ 76.879606][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 76.880623][ T4634] iput+0x1bc/0x770 [ 76.881415][ T4634] dentry_unlink_inode+0x360/0x438 [ 76.882496][ T4634] __dentry_kill+0x318/0x590 [ 76.883456][ T4634] shrink_dentry_list+0x404/0x7d0 [ 76.884545][ T4634] shrink_dcache_parent+0xb0/0x364 [ 76.885625][ T4634] do_one_tree+0x2c/0xf4 [ 76.886545][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 76.887686][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 76.888783][ T4634] kill_block_super+0x78/0xe0 [ 76.889735][ T4634] deactivate_locked_super+0xc0/0x13c [ 76.890975][ T4634] deactivate_super+0xf0/0x110 [ 76.892105][ T4634] cleanup_mnt+0x3bc/0x470 [ 76.893106][ T4634] __cleanup_mnt+0x20/0x30 [ 76.894085][ T4634] task_work_run+0x13c/0x1e8 [ 76.895101][ T4634] do_notify_resume+0x2488/0x30a8 [ 76.896211][ T4634] el0_svc+0xf4/0x1d4 [ 76.897102][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 76.898246][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 76.899223][ T4634] irq event stamp: 453068 [ 76.900158][ T4634] hardirqs last enabled at (453067): [] __up_console_sem+0xb4/0xfc [ 76.902263][ T4634] hardirqs last disabled at (453068): [] el1_dbg+0x24/0x80 [ 76.904045][ T4634] softirqs last enabled at (452992): [] local_bh_enable+0x10/0x34 [ 76.906029][ T4634] softirqs last disabled at (452990): [] local_bh_disable+0x10/0x34 [ 76.907927][ T4634] ---[ end trace ed074a495c703b09 ]--- [ 76.949560][ T4971] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 76.960593][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 76.963114][ T4634] ------------[ cut here ]------------ [ 76.964224][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 76.966318][ T4634] Modules linked in: [ 76.967233][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.969121][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 76.971264][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.972943][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 76.974184][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 76.975448][ T4634] sp : ffff80001fff6f80 [ 76.976361][ T4634] x29: ffff80001fff71c0 x28: ffff0000deb25c58 x27: ffff80001fff74d8 [ 76.978131][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000c17b1020 [ 76.979880][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000efb6c068 [ 76.981596][ T4634] x20: ffff0000c17b1020 x19: ffff0000efb6c000 x18: 1fffe000341c1596 [ 76.983321][ T4634] x17: 0000000000000003 x16: ffff80001137fc94 x15: ffff8000143bd000 [ 76.985025][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 76.986706][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 76.988402][ T4634] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 76.990115][ T4634] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7b1088 [ 76.991837][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.993470][ T4634] Call trace: [ 76.994132][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 76.995247][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 76.996357][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 76.997583][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 76.998772][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 76.999926][ T4634] ext4_dirty_inode+0xd4/0x110 [ 77.000945][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 77.001937][ T4634] iput+0x1bc/0x770 [ 77.002700][ T4634] dentry_unlink_inode+0x360/0x438 [ 77.003743][ T4634] __dentry_kill+0x318/0x590 [ 77.004700][ T4634] shrink_dentry_list+0x404/0x7d0 [ 77.005745][ T4634] shrink_dcache_parent+0xb0/0x364 [ 77.006780][ T4634] do_one_tree+0x2c/0xf4 [ 77.007686][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 77.008873][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 77.009985][ T4634] kill_block_super+0x78/0xe0 [ 77.011002][ T4634] deactivate_locked_super+0xc0/0x13c [ 77.012157][ T4634] deactivate_super+0xf0/0x110 [ 77.013184][ T4634] cleanup_mnt+0x3bc/0x470 [ 77.014149][ T4634] __cleanup_mnt+0x20/0x30 [ 77.015112][ T4634] task_work_run+0x13c/0x1e8 [ 77.016098][ T4634] do_notify_resume+0x2488/0x30a8 [ 77.017199][ T4634] el0_svc+0xf4/0x1d4 [ 77.018073][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 77.019137][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 77.020112][ T4634] irq event stamp: 458512 [ 77.021030][ T4634] hardirqs last enabled at (458511): [] finish_lock_switch+0xb0/0x1c8 [ 77.023056][ T4634] hardirqs last disabled at (458512): [] el1_dbg+0x24/0x80 [ 77.024849][ T4634] softirqs last enabled at (458440): [] local_bh_enable+0x10/0x34 [ 77.026793][ T4634] softirqs last disabled at (458438): [] local_bh_disable+0x10/0x34 [ 77.028716][ T4634] ---[ end trace ed074a495c703b0a ]--- [ 77.129175][ T4975] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 77.139807][ T4634] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1428: refuse to create EA inode when umounting [ 77.142359][ T4634] ------------[ cut here ]------------ [ 77.143417][ T4634] WARNING: CPU: 0 PID: 4634 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x1740/0x2f28 [ 77.145406][ T4634] Modules linked in: [ 77.146179][ T4634] CPU: 0 PID: 4634 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.148035][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 77.150241][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.151892][ T4634] pc : ext4_xattr_set_entry+0x1740/0x2f28 [ 77.153038][ T4634] lr : ext4_xattr_set_entry+0x173c/0x2f28 [ 77.154198][ T4634] sp : ffff80001fff6f80 [ 77.155068][ T4634] x29: ffff80001fff71c0 x28: ffff0000deb402a0 x27: ffff80001fff74d8 [ 77.156666][ T4634] x26: dfff800000000000 x25: ffff700003ffee18 x24: ffff0000da36b020 [ 77.158369][ T4634] x23: 1ffff00003ffee5f x22: ffff80001fff72f8 x21: ffff0000cfd3e068 [ 77.160308][ T4634] x20: ffff0000da36b020 x19: ffff0000cfd3e000 x18: 0000000000000001 [ 77.162243][ T4634] x17: 6572203a38323431 x16: ffff80001137fc94 x15: 65646f6e695f7274 [ 77.164073][ T4634] x14: 0000000000000001 x13: 1fffe000341c2cd7 x12: 0000000000000000 [ 77.165908][ T4634] x11: ff80800008302588 x10: 0000000000000000 x9 : eb53a3b626ce0800 [ 77.167609][ T4634] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.169475][ T4634] x5 : ffff80001fff6758 x4 : ffff80001449f5e0 x3 : ffff80000a7b1088 [ 77.171215][ T4634] x2 : ffff0001a0e0ad50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.173033][ T4634] Call trace: [ 77.173768][ T4634] ext4_xattr_set_entry+0x1740/0x2f28 [ 77.174974][ T4634] ext4_xattr_block_set+0x540/0x2794 [ 77.176143][ T4634] ext4_expand_extra_isize_ea+0xc30/0x14dc [ 77.177429][ T4634] __ext4_expand_extra_isize+0x294/0x358 [ 77.178762][ T4634] __ext4_mark_inode_dirty+0x454/0x820 [ 77.180040][ T4634] ext4_dirty_inode+0xd4/0x110 [ 77.181133][ T4634] __mark_inode_dirty+0x2b0/0xfac [ 77.182230][ T4634] iput+0x1bc/0x770 [ 77.183066][ T4634] dentry_unlink_inode+0x360/0x438 [ 77.184184][ T4634] __dentry_kill+0x318/0x590 [ 77.185192][ T4634] shrink_dentry_list+0x404/0x7d0 [ 77.186287][ T4634] shrink_dcache_parent+0xb0/0x364 [ 77.187312][ T4634] do_one_tree+0x2c/0xf4 [ 77.188191][ T4634] shrink_dcache_for_umount+0x6c/0x118 [ 77.189361][ T4634] generic_shutdown_super+0x6c/0x2f8 [ 77.190487][ T4634] kill_block_super+0x78/0xe0 [ 77.191461][ T4634] deactivate_locked_super+0xc0/0x13c [ 77.192576][ T4634] deactivate_super+0xf0/0x110 [ 77.193583][ T4634] cleanup_mnt+0x3bc/0x470 [ 77.194497][ T4634] __cleanup_mnt+0x20/0x30 [ 77.195368][ T4634] task_work_run+0x13c/0x1e8 [ 77.196270][ T4634] do_notify_resume+0x2488/0x30a8 [ 77.197245][ T4634] el0_svc+0xf4/0x1d4 [ 77.198107][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 77.199107][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 77.200042][ T4634] irq event stamp: 463570 [ 77.200913][ T4634] hardirqs last enabled at (463569): [] __up_console_sem+0xb4/0xfc [ 77.202857][ T4634] hardirqs last disabled at (463570): [] el1_dbg+0x24/0x80 [ 77.204703][ T4634] softirqs last enabled at (463488): [] local_bh_enable+0x10/0x34 [ 77.206655][ T4634] softirqs last disabled at (463486): [] local_bh_disable+0x10/0x34 [ 77.208681][ T4634] ---[ end trace ed074a495c703b0b ]---