Warning: Permanently added '10.128.1.231' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 parsed 1 programs [ 66.150560][ T4422] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 67.241433][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.242751][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.244179][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.251450][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.252703][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.254160][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.646603][ T4557] chnl_net:caif_netlink_parms(): no params data found [ 67.670260][ T4557] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.671497][ T4557] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.673047][ T4557] device bridge_slave_0 entered promiscuous mode [ 67.675129][ T4557] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.676188][ T4557] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.677670][ T4557] device bridge_slave_1 entered promiscuous mode [ 67.697162][ T4557] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.699847][ T4557] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.708027][ T4557] team0: Port device team_slave_0 added [ 67.710724][ T4557] team0: Port device team_slave_1 added [ 67.717955][ T4557] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.719130][ T4557] 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. [ 67.724540][ T4557] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.729994][ T4557] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.731177][ T4557] 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. [ 67.735424][ T4557] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.780811][ T4557] device hsr_slave_0 entered promiscuous mode [ 67.819725][ T4557] device hsr_slave_1 entered promiscuous mode [ 68.463084][ T4557] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.491809][ T4557] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.550820][ T4557] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.583838][ T4557] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.637973][ T4557] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.644249][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.645800][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.647678][ T4557] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.653662][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.655418][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.657090][ T379] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.658192][ T379] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.662292][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.664381][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.666217][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.667418][ T379] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.674813][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.678035][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.680026][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.681702][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.683867][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.685469][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.687165][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.688714][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.692049][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.695868][ T4557] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.697864][ T4557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.705708][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.707352][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.713990][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.747912][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.749270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.754446][ T4557] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.764613][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.766335][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.773208][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.774850][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.776928][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.778385][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.782329][ T4557] device veth0_vlan entered promiscuous mode [ 68.785368][ T4557] device veth1_vlan entered promiscuous mode [ 68.793889][ T4557] device veth0_macvtap entered promiscuous mode [ 68.796171][ T4557] device veth1_macvtap entered promiscuous mode [ 68.799043][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.801295][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.802891][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.804705][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.806604][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.808194][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.814593][ T4557] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.817065][ T4557] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.819324][ T4557] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.821401][ T4557] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.822740][ T4557] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.824155][ T4557] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.826602][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.828195][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.830284][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.831920][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:09 executed programs: 0 [ 69.257737][ T4737] chnl_net:caif_netlink_parms(): no params data found [ 69.276603][ T4737] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.277932][ T4737] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.279893][ T4737] device bridge_slave_0 entered promiscuous mode [ 69.282059][ T4737] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.283273][ T4737] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.284774][ T4737] device bridge_slave_1 entered promiscuous mode [ 69.293688][ T4737] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.296577][ T4737] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.306214][ T4737] team0: Port device team_slave_0 added [ 69.308397][ T4737] team0: Port device team_slave_1 added [ 69.317110][ T4737] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.318335][ T4737] 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. [ 69.323292][ T4737] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.325796][ T4737] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.326832][ T4737] 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. [ 69.332120][ T4737] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.390689][ T4737] device hsr_slave_0 entered promiscuous mode [ 69.419952][ T4737] device hsr_slave_1 entered promiscuous mode [ 69.459524][ T4737] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.460839][ T4737] Cannot create hsr debugfs directory [ 69.488639][ T4737] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.611474][ T7] cfg80211: failed to load regulatory.db [ 69.615860][ T2062] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.617086][ T2062] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.219582][ T4180] Bluetooth: hci0: command 0x0409 tx timeout [ 71.682941][ T4737] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.289525][ T4180] Bluetooth: hci0: command 0x041b tx timeout [ 74.043520][ T4737] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.084460][ T4737] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.480092][ T4737] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.521288][ T4737] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.550855][ T4737] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.581398][ T4737] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.658959][ T4737] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.663488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.664905][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.667434][ T4737] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.670680][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.672171][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.673615][ T1643] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.674705][ T1643] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.676224][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.678517][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.680243][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.681700][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.682818][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.685544][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.688533][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.691914][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.693998][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.695554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.698678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.701545][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.704388][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.705831][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.708652][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.710924][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.713770][ T4737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.752450][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.753787][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.757381][ T4737] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.763535][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.765307][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.771231][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.772936][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.774601][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.776015][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.778292][ T4737] device veth0_vlan entered promiscuous mode [ 74.782847][ T4737] device veth1_vlan entered promiscuous mode [ 74.791158][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.792762][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.794190][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.795727][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.798309][ T4737] device veth0_macvtap entered promiscuous mode [ 74.802073][ T4737] device veth1_macvtap entered promiscuous mode [ 74.807454][ T4737] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.809268][ T4737] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.812111][ T4737] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.813418][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.815025][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.816612][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.819102][ T4737] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.821049][ T4737] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.823059][ T4737] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.824674][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.826253][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.828614][ T4737] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.830312][ T4737] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.831755][ T4737] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.833172][ T4737] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.856487][ T1643] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.859321][ T1643] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.861961][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.867959][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.869317][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.871371][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:14 executed programs: 2 [ 74.896078][ T4939] loop0: detected capacity change from 0 to 1024 [ 75.003000][ 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. [ 75.014950][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.016960][ T4737] ------------[ cut here ]------------ [ 75.017821][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.019464][ T4737] Modules linked in: [ 75.020151][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Not tainted syzkaller #0 [ 75.021412][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.023131][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.024469][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.025445][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.026439][ T4737] sp : ffff80001f9c6f80 [ 75.027164][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 75.028570][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 75.029941][ T4737] x23: ffff0000dcfff048 x22: ffff0000ce274020 x21: ffff0000dcfff070 [ 75.031343][ T4737] x20: ffff0000d1da6068 x19: ffff0000d1da6000 x18: 0000000000000001 [ 75.032585][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 75.033990][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 75.035381][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 75.036732][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.038061][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 75.039419][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.040789][ T4737] Call trace: [ 75.041326][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.042211][ T4737] ext4_xattr_block_set+0x524/0x267c [ 75.043109][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.044082][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 75.045049][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 75.045974][ T4737] ext4_dirty_inode+0xd0/0x100 [ 75.046718][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 75.047497][ T4737] iput+0x1b0/0x764 [ 75.048182][ T4737] dentry_unlink_inode+0x360/0x438 [ 75.049078][ T4737] __dentry_kill+0x320/0x598 [ 75.049906][ T4737] shrink_dentry_list+0x400/0x7b8 [ 75.050731][ T4737] shrink_dcache_parent+0xb4/0x364 [ 75.051630][ T4737] do_one_tree+0x2c/0xf0 [ 75.052374][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 75.053277][ T4737] generic_shutdown_super+0x68/0x2f0 [ 75.054174][ T4737] kill_block_super+0x70/0xdc [ 75.054962][ T4737] deactivate_locked_super+0xb8/0x134 [ 75.055835][ T4737] deactivate_super+0xf0/0x110 [ 75.056640][ T4737] cleanup_mnt+0x3b8/0x46c [ 75.057409][ T4737] __cleanup_mnt+0x20/0x30 [ 75.058130][ T4737] task_work_run+0x12c/0x1d8 [ 75.058859][ T4737] do_notify_resume+0x2450/0x309c [ 75.059644][ T4737] el0_svc+0xf0/0x1d0 [ 75.060276][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 75.061053][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 75.061791][ T4737] irq event stamp: 117670 [ 75.062440][ T4737] hardirqs last enabled at (117669): [] __up_console_sem+0xb4/0xfc [ 75.063848][ T4737] hardirqs last disabled at (117670): [] el1_dbg+0x24/0x80 [ 75.065179][ T4737] softirqs last enabled at (117580): [] local_bh_enable+0x10/0x34 [ 75.066634][ T4737] softirqs last disabled at (117578): [] local_bh_disable+0x10/0x34 [ 75.068177][ T4737] ---[ end trace 663eed04a858178f ]--- [ 75.072348][ T4737] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2807: Unable to expand inode 14. Delete some EAs or run e2fsck. [ 75.170915][ T4944] loop0: detected capacity change from 0 to 1024 [ 75.211004][ T4944] 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. [ 75.224875][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.226735][ T4737] ------------[ cut here ]------------ [ 75.227531][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.228845][ T4737] Modules linked in: [ 75.229397][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.230941][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.232557][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.233765][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.234650][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.235638][ T4737] sp : ffff80001f9c6f80 [ 75.236352][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 75.237762][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 75.239075][ T4737] x23: ffff0000e212b478 x22: ffff0000dc052020 x21: ffff0000e212b4a0 [ 75.240452][ T4737] x20: ffff0000ccbe8068 x19: ffff0000ccbe8000 x18: 0000000000000001 [ 75.241732][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 75.243009][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 75.244320][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 75.245663][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.247064][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 75.248390][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.249834][ T4737] Call trace: [ 75.250387][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.251282][ T4737] ext4_xattr_block_set+0x524/0x267c [ 75.252090][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.253055][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 75.253977][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 75.254834][ T4737] ext4_dirty_inode+0xd0/0x100 [ 75.255564][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 75.256320][ T4737] iput+0x1b0/0x764 [ 75.256929][ T4737] dentry_unlink_inode+0x360/0x438 [ 75.257751][ T4737] __dentry_kill+0x320/0x598 [ 75.258484][ T4737] shrink_dentry_list+0x400/0x7b8 [ 75.259263][ T4737] shrink_dcache_parent+0xb4/0x364 [ 75.260118][ T4737] do_one_tree+0x2c/0xf0 [ 75.260774][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 75.261633][ T4737] generic_shutdown_super+0x68/0x2f0 [ 75.262518][ T4737] kill_block_super+0x70/0xdc [ 75.263335][ T4737] deactivate_locked_super+0xb8/0x134 [ 75.264263][ T4737] deactivate_super+0xf0/0x110 [ 75.265113][ T4737] cleanup_mnt+0x3b8/0x46c [ 75.265857][ T4737] __cleanup_mnt+0x20/0x30 [ 75.266632][ T4737] task_work_run+0x12c/0x1d8 [ 75.267354][ T4737] do_notify_resume+0x2450/0x309c [ 75.268135][ T4737] el0_svc+0xf0/0x1d0 [ 75.268778][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 75.269632][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 75.270402][ T4737] irq event stamp: 122292 [ 75.271073][ T4737] hardirqs last enabled at (122291): [] __schedule+0xef8/0x1bc4 [ 75.272542][ T4737] hardirqs last disabled at (122292): [] el1_dbg+0x24/0x80 [ 75.273960][ T4737] softirqs last enabled at (122204): [] local_bh_enable+0x10/0x34 [ 75.275535][ T4737] softirqs last disabled at (122202): [] local_bh_disable+0x10/0x34 [ 75.277057][ T4737] ---[ end trace 663eed04a8581790 ]--- [ 75.319888][ T4948] loop0: detected capacity change from 0 to 1024 [ 75.371128][ T4174] Bluetooth: hci0: command 0x040f tx timeout [ 75.381519][ T4948] 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. [ 75.390715][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.392579][ T4737] ------------[ cut here ]------------ [ 75.393418][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.394903][ T4737] Modules linked in: [ 75.395466][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.396842][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.398315][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.399491][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.400377][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.401330][ T4737] sp : ffff80001f9c6f80 [ 75.401999][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 75.403390][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 75.404698][ T4737] x23: ffff0000e238be70 x22: ffff0000d9182020 x21: ffff0000e238be98 [ 75.405945][ T4737] x20: ffff0000d7652068 x19: ffff0000d7652000 x18: 0000000000000001 [ 75.407248][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 75.408544][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 75.409790][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 75.411036][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.412381][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 75.413732][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.415138][ T4737] Call trace: [ 75.415694][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.416582][ T4737] ext4_xattr_block_set+0x524/0x267c [ 75.417432][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.418405][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 75.419265][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 75.420201][ T4737] ext4_dirty_inode+0xd0/0x100 [ 75.420960][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 75.421849][ T4737] iput+0x1b0/0x764 [ 75.422558][ T4737] dentry_unlink_inode+0x360/0x438 [ 75.423404][ T4737] __dentry_kill+0x320/0x598 [ 75.424126][ T4737] shrink_dentry_list+0x400/0x7b8 [ 75.424955][ T4737] shrink_dcache_parent+0xb4/0x364 [ 75.425747][ T4737] do_one_tree+0x2c/0xf0 [ 75.426429][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 75.427335][ T4737] generic_shutdown_super+0x68/0x2f0 [ 75.428208][ T4737] kill_block_super+0x70/0xdc [ 75.428993][ T4737] deactivate_locked_super+0xb8/0x134 [ 75.429895][ T4737] deactivate_super+0xf0/0x110 [ 75.430764][ T4737] cleanup_mnt+0x3b8/0x46c [ 75.431529][ T4737] __cleanup_mnt+0x20/0x30 [ 75.432278][ T4737] task_work_run+0x12c/0x1d8 [ 75.433063][ T4737] do_notify_resume+0x2450/0x309c [ 75.434006][ T4737] el0_svc+0xf0/0x1d0 [ 75.434716][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 75.435554][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 75.436278][ T4737] irq event stamp: 126072 [ 75.437019][ T4737] hardirqs last enabled at (126071): [] __up_console_sem+0xb4/0xfc [ 75.438683][ T4737] hardirqs last disabled at (126072): [] el1_dbg+0x24/0x80 [ 75.440168][ T4737] softirqs last enabled at (126000): [] local_bh_enable+0x10/0x34 [ 75.441696][ T4737] softirqs last disabled at (125998): [] local_bh_disable+0x10/0x34 [ 75.443381][ T4737] ---[ end trace 663eed04a8581791 ]--- [ 75.512054][ T4952] loop0: detected capacity change from 0 to 1024 [ 75.562586][ T4952] 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. [ 75.571619][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.573561][ T4737] ------------[ cut here ]------------ [ 75.574356][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.575986][ T4737] Modules linked in: [ 75.576622][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.578151][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.579704][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.581046][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.582048][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.583073][ T4737] sp : ffff80001f9c6f80 [ 75.583809][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 75.585159][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 75.586573][ T4737] x23: ffff0000e212e650 x22: ffff0000d91a0820 x21: ffff0000e212e678 [ 75.587905][ T4737] x20: ffff0000d9654068 x19: ffff0000d9654000 x18: 0000000000000001 [ 75.589235][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 75.590677][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 75.592027][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 75.593424][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.594728][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 75.596184][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.597572][ T4737] Call trace: [ 75.598125][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.599096][ T4737] ext4_xattr_block_set+0x524/0x267c [ 75.599965][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.600964][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 75.601921][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 75.602782][ T4737] ext4_dirty_inode+0xd0/0x100 [ 75.603594][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 75.604423][ T4737] iput+0x1b0/0x764 [ 75.605064][ T4737] dentry_unlink_inode+0x360/0x438 [ 75.605918][ T4737] __dentry_kill+0x320/0x598 [ 75.606651][ T4737] shrink_dentry_list+0x400/0x7b8 [ 75.607491][ T4737] shrink_dcache_parent+0xb4/0x364 [ 75.608374][ T4737] do_one_tree+0x2c/0xf0 [ 75.609064][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 75.609950][ T4737] generic_shutdown_super+0x68/0x2f0 [ 75.610812][ T4737] kill_block_super+0x70/0xdc [ 75.611587][ T4737] deactivate_locked_super+0xb8/0x134 [ 75.612521][ T4737] deactivate_super+0xf0/0x110 [ 75.613280][ T4737] cleanup_mnt+0x3b8/0x46c [ 75.614084][ T4737] __cleanup_mnt+0x20/0x30 [ 75.614783][ T4737] task_work_run+0x12c/0x1d8 [ 75.615506][ T4737] do_notify_resume+0x2450/0x309c [ 75.616344][ T4737] el0_svc+0xf0/0x1d0 [ 75.617023][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 75.617950][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 75.618692][ T4737] irq event stamp: 130414 [ 75.619392][ T4737] hardirqs last enabled at (130413): [] __schedule+0xef8/0x1bc4 [ 75.620843][ T4737] hardirqs last disabled at (130414): [] el1_dbg+0x24/0x80 [ 75.622283][ T4737] softirqs last enabled at (130342): [] local_bh_enable+0x10/0x34 [ 75.623767][ T4737] softirqs last disabled at (130340): [] local_bh_disable+0x10/0x34 [ 75.625450][ T4737] ---[ end trace 663eed04a8581792 ]--- [ 75.693343][ T4956] loop0: detected capacity change from 0 to 1024 [ 75.751333][ T4956] 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. [ 75.760809][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.762656][ T4737] ------------[ cut here ]------------ [ 75.763505][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.765129][ T4737] Modules linked in: [ 75.765750][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.767141][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.768774][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.770070][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.770983][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.771795][ T4737] sp : ffff80001f9c6f80 [ 75.772408][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 75.773640][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 75.774848][ T4737] x23: ffff0000e21c5260 x22: ffff0000d5c9c020 x21: ffff0000e21c5288 [ 75.776017][ T4737] x20: ffff0000c212e068 x19: ffff0000c212e000 x18: 0000000000000001 [ 75.777142][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 75.778343][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 75.779497][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 75.780732][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.781948][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 75.783358][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.784727][ T4737] Call trace: [ 75.785280][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.786192][ T4737] ext4_xattr_block_set+0x524/0x267c [ 75.787077][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.788044][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 75.788968][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 75.789920][ T4737] ext4_dirty_inode+0xd0/0x100 [ 75.790747][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 75.791571][ T4737] iput+0x1b0/0x764 [ 75.792210][ T4737] dentry_unlink_inode+0x360/0x438 [ 75.793059][ T4737] __dentry_kill+0x320/0x598 [ 75.793795][ T4737] shrink_dentry_list+0x400/0x7b8 [ 75.794626][ T4737] shrink_dcache_parent+0xb4/0x364 [ 75.795510][ T4737] do_one_tree+0x2c/0xf0 [ 75.796229][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 75.797116][ T4737] generic_shutdown_super+0x68/0x2f0 [ 75.798039][ T4737] kill_block_super+0x70/0xdc [ 75.798767][ T4737] deactivate_locked_super+0xb8/0x134 [ 75.799713][ T4737] deactivate_super+0xf0/0x110 [ 75.800537][ T4737] cleanup_mnt+0x3b8/0x46c [ 75.801311][ T4737] __cleanup_mnt+0x20/0x30 [ 75.802014][ T4737] task_work_run+0x12c/0x1d8 [ 75.802794][ T4737] do_notify_resume+0x2450/0x309c [ 75.803637][ T4737] el0_svc+0xf0/0x1d0 [ 75.804271][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 75.805061][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 75.805811][ T4737] irq event stamp: 134308 [ 75.806585][ T4737] hardirqs last enabled at (134307): [] __up_console_sem+0xb4/0xfc [ 75.808218][ T4737] hardirqs last disabled at (134308): [] el1_dbg+0x24/0x80 [ 75.809625][ T4737] softirqs last enabled at (134236): [] local_bh_enable+0x10/0x34 [ 75.811126][ T4737] softirqs last disabled at (134234): [] local_bh_disable+0x10/0x34 [ 75.812705][ T4737] ---[ end trace 663eed04a8581793 ]--- [ 75.891360][ T4960] loop0: detected capacity change from 0 to 1024 [ 75.992392][ T4960] 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. [ 76.005640][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.007683][ T4737] ------------[ cut here ]------------ [ 76.008587][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.010245][ T4737] Modules linked in: [ 76.010905][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.012397][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.014121][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.015458][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.016397][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.017328][ T4737] sp : ffff80001f9c6f80 [ 76.018046][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 76.019429][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 76.020722][ T4737] x23: ffff0000ee0282a0 x22: ffff0000c8ae7820 x21: ffff0000ee0282c8 [ 76.022027][ T4737] x20: ffff0000db11a068 x19: ffff0000db11a000 x18: 0000000000000001 [ 76.023300][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 76.024667][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 76.026038][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 76.027483][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.028740][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 76.030013][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.031310][ T4737] Call trace: [ 76.031831][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.032729][ T4737] ext4_xattr_block_set+0x524/0x267c [ 76.033647][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.034582][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 76.035586][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 76.036566][ T4737] ext4_dirty_inode+0xd0/0x100 [ 76.037356][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 76.038179][ T4737] iput+0x1b0/0x764 [ 76.038812][ T4737] dentry_unlink_inode+0x360/0x438 [ 76.039689][ T4737] __dentry_kill+0x320/0x598 [ 76.040487][ T4737] shrink_dentry_list+0x400/0x7b8 [ 76.041333][ T4737] shrink_dcache_parent+0xb4/0x364 [ 76.042179][ T4737] do_one_tree+0x2c/0xf0 [ 76.042929][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 76.043801][ T4737] generic_shutdown_super+0x68/0x2f0 [ 76.044693][ T4737] kill_block_super+0x70/0xdc [ 76.045491][ T4737] deactivate_locked_super+0xb8/0x134 [ 76.046409][ T4737] deactivate_super+0xf0/0x110 [ 76.047229][ T4737] cleanup_mnt+0x3b8/0x46c [ 76.047993][ T4737] __cleanup_mnt+0x20/0x30 [ 76.048733][ T4737] task_work_run+0x12c/0x1d8 [ 76.049565][ T4737] do_notify_resume+0x2450/0x309c [ 76.050438][ T4737] el0_svc+0xf0/0x1d0 [ 76.051130][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 76.051868][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 76.052643][ T4737] irq event stamp: 138380 [ 76.053365][ T4737] hardirqs last enabled at (138379): [] __up_console_sem+0xb4/0xfc [ 76.054984][ T4737] hardirqs last disabled at (138380): [] el1_dbg+0x24/0x80 [ 76.056495][ T4737] softirqs last enabled at (138302): [] local_bh_enable+0x10/0x34 [ 76.058077][ T4737] softirqs last disabled at (138300): [] local_bh_disable+0x10/0x34 [ 76.059776][ T4737] ---[ end trace 663eed04a8581794 ]--- [ 76.118253][ T4964] loop0: detected capacity change from 0 to 1024 [ 76.134332][ T4964] 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. [ 76.142571][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.144592][ T4737] ------------[ cut here ]------------ [ 76.145419][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.147005][ T4737] Modules linked in: [ 76.147695][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.149211][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.150847][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.152198][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.153151][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.154075][ T4737] sp : ffff80001f9c6f80 [ 76.154770][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 76.156098][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 76.157492][ T4737] x23: ffff0000ee02a088 x22: ffff0000d48f4820 x21: ffff0000ee02a0b0 [ 76.158741][ T4737] x20: ffff0000d6b16068 x19: ffff0000d6b16000 x18: 0000000000000001 [ 76.160059][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 76.161475][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 76.162808][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 76.164188][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.165544][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 76.166967][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.168345][ T4737] Call trace: [ 76.168867][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.169776][ T4737] ext4_xattr_block_set+0x524/0x267c [ 76.170636][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.171686][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 76.172665][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 76.173660][ T4737] ext4_dirty_inode+0xd0/0x100 [ 76.174524][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 76.175350][ T4737] iput+0x1b0/0x764 [ 76.175988][ T4737] dentry_unlink_inode+0x360/0x438 [ 76.176790][ T4737] __dentry_kill+0x320/0x598 [ 76.177521][ T4737] shrink_dentry_list+0x400/0x7b8 [ 76.178374][ T4737] shrink_dcache_parent+0xb4/0x364 [ 76.179294][ T4737] do_one_tree+0x2c/0xf0 [ 76.180012][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 76.180968][ T4737] generic_shutdown_super+0x68/0x2f0 [ 76.181876][ T4737] kill_block_super+0x70/0xdc [ 76.182650][ T4737] deactivate_locked_super+0xb8/0x134 [ 76.183571][ T4737] deactivate_super+0xf0/0x110 [ 76.184339][ T4737] cleanup_mnt+0x3b8/0x46c [ 76.185110][ T4737] __cleanup_mnt+0x20/0x30 [ 76.185862][ T4737] task_work_run+0x12c/0x1d8 [ 76.186643][ T4737] do_notify_resume+0x2450/0x309c [ 76.187597][ T4737] el0_svc+0xf0/0x1d0 [ 76.188239][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 76.189119][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 76.189957][ T4737] irq event stamp: 142440 [ 76.190679][ T4737] hardirqs last enabled at (142439): [] __up_console_sem+0xb4/0xfc [ 76.192235][ T4737] hardirqs last disabled at (142440): [] el1_dbg+0x24/0x80 [ 76.193654][ T4737] softirqs last enabled at (142378): [] local_bh_enable+0x10/0x34 [ 76.195111][ T4737] softirqs last disabled at (142376): [] local_bh_disable+0x10/0x34 [ 76.196678][ T4737] ---[ end trace 663eed04a8581795 ]--- [ 76.251815][ T136] device hsr_slave_0 left promiscuous mode [ 76.265682][ T4968] loop0: detected capacity change from 0 to 1024 [ 76.271716][ T4968] 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. [ 76.281203][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.283018][ T4737] ------------[ cut here ]------------ [ 76.283837][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.285407][ T4737] Modules linked in: [ 76.286033][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.287483][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.289096][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.290418][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.291354][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.292306][ T4737] sp : ffff80001f9c6f80 [ 76.293020][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 76.294310][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 76.295726][ T4737] x23: ffff0000ee021690 x22: ffff0000e9288020 x21: ffff0000ee0216b8 [ 76.297070][ T4737] x20: ffff0000ec9a4068 x19: ffff0000ec9a4000 x18: 0000000000000001 [ 76.298440][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 76.299832][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 76.301218][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 76.302537][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.303903][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 76.305255][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.306637][ T4737] Call trace: [ 76.307190][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.308085][ T4737] ext4_xattr_block_set+0x524/0x267c [ 76.308993][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.310001][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 76.310934][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 76.311839][ T4737] ext4_dirty_inode+0xd0/0x100 [ 76.312623][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 76.313499][ T4737] iput+0x1b0/0x764 [ 76.314161][ T4737] dentry_unlink_inode+0x360/0x438 [ 76.315006][ T4737] __dentry_kill+0x320/0x598 [ 76.315819][ T4737] shrink_dentry_list+0x400/0x7b8 [ 76.316657][ T4737] shrink_dcache_parent+0xb4/0x364 [ 76.317517][ T4737] do_one_tree+0x2c/0xf0 [ 76.318314][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 76.319322][ T4737] generic_shutdown_super+0x68/0x2f0 [ 76.320216][ T4737] kill_block_super+0x70/0xdc [ 76.321056][ T4737] deactivate_locked_super+0xb8/0x134 [ 76.322027][ T4737] deactivate_super+0xf0/0x110 [ 76.322858][ T4737] cleanup_mnt+0x3b8/0x46c [ 76.323609][ T4737] __cleanup_mnt+0x20/0x30 [ 76.324314][ T4737] task_work_run+0x12c/0x1d8 [ 76.325079][ T4737] do_notify_resume+0x2450/0x309c [ 76.325873][ T4737] el0_svc+0xf0/0x1d0 [ 76.326536][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 76.327392][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 76.328119][ T4737] irq event stamp: 146188 [ 76.328842][ T4737] hardirqs last enabled at (146187): [] __up_console_sem+0xb4/0xfc [ 76.330405][ T4737] hardirqs last disabled at (146188): [] el1_dbg+0x24/0x80 [ 76.331775][ T4737] softirqs last enabled at (146126): [] local_bh_enable+0x10/0x34 [ 76.333222][ T4737] softirqs last disabled at (146124): [] local_bh_disable+0x10/0x34 [ 76.334651][ T4737] ---[ end trace 663eed04a8581796 ]--- [ 76.336067][ T136] device hsr_slave_1 left promiscuous mode [ 76.379490][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.380842][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.382388][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.383643][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.385003][ T136] device bridge_slave_1 left promiscuous mode [ 76.385413][ T4972] loop0: detected capacity change from 0 to 1024 [ 76.385944][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.401099][ T4972] 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. [ 76.410342][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.412397][ T4737] ------------[ cut here ]------------ [ 76.413276][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.414748][ T4737] Modules linked in: [ 76.415397][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.416871][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.418360][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.419665][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.420656][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.421629][ T4737] sp : ffff80001f9c6f80 [ 76.422304][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 76.423593][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 76.424963][ T4737] x23: ffff0000ee02e650 x22: ffff0000d5c3e820 x21: ffff0000ee02e678 [ 76.426346][ T4737] x20: ffff0000d9a9e068 x19: ffff0000d9a9e000 x18: 0000000000000001 [ 76.427787][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 76.429149][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 76.430430][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 76.431805][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 76.433131][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 76.434485][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.435901][ T4737] Call trace: [ 76.436445][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.437458][ T4737] ext4_xattr_block_set+0x524/0x267c [ 76.438372][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.439330][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 76.440361][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 76.441299][ T4737] ext4_dirty_inode+0xd0/0x100 [ 76.442233][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 76.443102][ T4737] iput+0x1b0/0x764 [ 76.443804][ T4737] dentry_unlink_inode+0x360/0x438 [ 76.444645][ T4737] __dentry_kill+0x320/0x598 [ 76.445438][ T4737] shrink_dentry_list+0x400/0x7b8 [ 76.446324][ T4737] shrink_dcache_parent+0xb4/0x364 [ 76.447178][ T4737] do_one_tree+0x2c/0xf0 [ 76.447871][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 76.448732][ T4737] generic_shutdown_super+0x68/0x2f0 [ 76.449624][ T4737] kill_block_super+0x70/0xdc [ 76.450331][ T4737] deactivate_locked_super+0xb8/0x134 [ 76.451202][ T4737] deactivate_super+0xf0/0x110 [ 76.451904][ T4737] cleanup_mnt+0x3b8/0x46c [ 76.452677][ T4737] __cleanup_mnt+0x20/0x30 [ 76.453409][ T4737] task_work_run+0x12c/0x1d8 [ 76.454089][ T4737] do_notify_resume+0x2450/0x309c [ 76.454878][ T4737] el0_svc+0xf0/0x1d0 [ 76.455538][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 76.456340][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 76.457066][ T4737] irq event stamp: 150598 [ 76.457804][ T4737] hardirqs last enabled at (150597): [] __schedule+0xef8/0x1bc4 [ 76.459294][ T4737] hardirqs last disabled at (150598): [] el1_dbg+0x24/0x80 [ 76.460773][ T4737] softirqs last enabled at (150530): [] local_bh_enable+0x10/0x34 [ 76.462532][ T4737] softirqs last disabled at (150528): [] local_bh_disable+0x10/0x34 [ 76.464022][ T4737] ---[ end trace 663eed04a8581797 ]--- [ 76.467847][ T136] device bridge_slave_0 left promiscuous mode [ 76.468963][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.561728][ T4976] loop0: detected capacity change from 0 to 1024 [ 76.609572][ T136] device veth1_macvtap left promiscuous mode [ 76.610662][ T136] device veth0_macvtap left promiscuous mode [ 76.611648][ T136] device veth1_vlan left promiscuous mode [ 76.612642][ T136] device veth0_vlan left promiscuous mode [ 76.649191][ T4976] 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. [ 76.663016][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.664965][ T4737] ------------[ cut here ]------------ [ 76.665818][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.667453][ T4737] Modules linked in: [ 76.668093][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.669593][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.671304][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.672608][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.673631][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.674600][ T4737] sp : ffff80001f9c6f80 [ 76.675362][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 76.676710][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 76.678075][ T4737] x23: ffff0000ee023478 x22: ffff0000e90d5820 x21: ffff0000ee0234a0 [ 76.679420][ T4737] x20: ffff0000c299a068 x19: ffff0000c299a000 x18: 0000000000000001 [ 76.680706][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 76.682037][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 76.683344][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 76.684571][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.685840][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 76.687052][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.688234][ T4737] Call trace: [ 76.688766][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.689599][ T4737] ext4_xattr_block_set+0x524/0x267c [ 76.690440][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.691333][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 76.692170][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 76.693031][ T4737] ext4_dirty_inode+0xd0/0x100 [ 76.693805][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 76.694561][ T4737] iput+0x1b0/0x764 [ 76.695163][ T4737] dentry_unlink_inode+0x360/0x438 [ 76.695972][ T4737] __dentry_kill+0x320/0x598 [ 76.696688][ T4737] shrink_dentry_list+0x400/0x7b8 [ 76.697489][ T4737] shrink_dcache_parent+0xb4/0x364 [ 76.698289][ T4737] do_one_tree+0x2c/0xf0 [ 76.698903][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 76.699780][ T4737] generic_shutdown_super+0x68/0x2f0 [ 76.700648][ T4737] kill_block_super+0x70/0xdc [ 76.701457][ T4737] deactivate_locked_super+0xb8/0x134 [ 76.702350][ T4737] deactivate_super+0xf0/0x110 [ 76.703127][ T4737] cleanup_mnt+0x3b8/0x46c [ 76.703868][ T4737] __cleanup_mnt+0x20/0x30 [ 76.704601][ T4737] task_work_run+0x12c/0x1d8 [ 76.705428][ T4737] do_notify_resume+0x2450/0x309c [ 76.706307][ T4737] el0_svc+0xf0/0x1d0 [ 76.706941][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 76.707718][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 76.708448][ T4737] irq event stamp: 154716 [ 76.709128][ T4737] hardirqs last enabled at (154715): [] __up_console_sem+0xb4/0xfc [ 76.710621][ T4737] hardirqs last disabled at (154716): [] el1_dbg+0x24/0x80 [ 76.711992][ T4737] softirqs last enabled at (154658): [] local_bh_enable+0x10/0x34 [ 76.713446][ T4737] softirqs last disabled at (154656): [] local_bh_disable+0x10/0x34 [ 76.714997][ T4737] ---[ end trace 663eed04a8581798 ]--- [ 76.773027][ T136] team0 (unregistering): Port device team_slave_1 removed [ 76.778887][ T136] team0 (unregistering): Port device team_slave_0 removed [ 76.783080][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.785908][ T4980] 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. [ 76.793688][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.795553][ T4737] ------------[ cut here ]------------ [ 76.796429][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.798063][ T4737] Modules linked in: [ 76.798689][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.800269][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.801965][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.803268][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.804274][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.805240][ T4737] sp : ffff80001f9c6f80 [ 76.805916][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 76.807291][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 76.808707][ T4737] x23: ffff0000e21db478 x22: ffff0000da811820 x21: ffff0000e21db4a0 [ 76.810052][ T4737] x20: ffff0000cb3ce068 x19: ffff0000cb3ce000 x18: 0000000000000001 [ 76.811424][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 76.812691][ T4737] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 76.814029][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 76.815508][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.816990][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 76.818379][ T4737] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.819758][ T4737] Call trace: [ 76.820301][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.821251][ T4737] ext4_xattr_block_set+0x524/0x267c [ 76.822125][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.823103][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 76.824102][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 76.825060][ T4737] ext4_dirty_inode+0xd0/0x100 [ 76.825899][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 76.826703][ T4737] iput+0x1b0/0x764 [ 76.827328][ T4737] dentry_unlink_inode+0x360/0x438 [ 76.828115][ T4737] __dentry_kill+0x320/0x598 [ 76.828827][ T4737] shrink_dentry_list+0x400/0x7b8 [ 76.829632][ T4737] shrink_dcache_parent+0xb4/0x364 [ 76.830461][ T4737] do_one_tree+0x2c/0xf0 [ 76.831111][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 76.831986][ T4737] generic_shutdown_super+0x68/0x2f0 [ 76.832856][ T4737] kill_block_super+0x70/0xdc [ 76.833708][ T4737] deactivate_locked_super+0xb8/0x134 [ 76.834615][ T4737] deactivate_super+0xf0/0x110 [ 76.835468][ T4737] cleanup_mnt+0x3b8/0x46c [ 76.836265][ T4737] __cleanup_mnt+0x20/0x30 [ 76.837013][ T4737] task_work_run+0x12c/0x1d8 [ 76.837737][ T4737] do_notify_resume+0x2450/0x309c [ 76.838599][ T4737] el0_svc+0xf0/0x1d0 [ 76.839321][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 76.840156][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 76.840905][ T4737] irq event stamp: 158970 [ 76.841676][ T4737] hardirqs last enabled at (158969): [] __up_console_sem+0xb4/0xfc [ 76.843222][ T4737] hardirqs last disabled at (158970): [] el1_dbg+0x24/0x80 [ 76.844788][ T4737] softirqs last enabled at (158906): [] local_bh_enable+0x10/0x34 [ 76.846312][ T4737] softirqs last disabled at (158904): [] local_bh_disable+0x10/0x34 [ 76.847812][ T4737] ---[ end trace 663eed04a8581799 ]--- [ 76.856521][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.981298][ T136] bond0 (unregistering): Released all slaves [ 76.989378][ T4984] 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. [ 76.997543][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.999406][ T4737] ------------[ cut here ]------------ [ 77.000294][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.001913][ T4737] Modules linked in: [ 77.002594][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.004094][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.005832][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.007224][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.008215][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.009195][ T4737] sp : ffff80001f9c6f80 [ 77.009915][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 77.011282][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 77.012638][ T4737] x23: ffff0000e21de650 x22: ffff0000d6941820 x21: ffff0000e21de678 [ 77.014001][ T4737] x20: ffff0000d6978068 x19: ffff0000d6978000 x18: 0000000000000001 [ 77.015325][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 77.016733][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 77.018041][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 77.019418][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.020740][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 77.022011][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.023313][ T4737] Call trace: [ 77.023808][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.024773][ T4737] ext4_xattr_block_set+0x524/0x267c [ 77.025691][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.026755][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 77.027709][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 77.028615][ T4737] ext4_dirty_inode+0xd0/0x100 [ 77.029485][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 77.030398][ T4737] iput+0x1b0/0x764 [ 77.031021][ T4737] dentry_unlink_inode+0x360/0x438 [ 77.031880][ T4737] __dentry_kill+0x320/0x598 [ 77.032639][ T4737] shrink_dentry_list+0x400/0x7b8 [ 77.033504][ T4737] shrink_dcache_parent+0xb4/0x364 [ 77.034281][ T4737] do_one_tree+0x2c/0xf0 [ 77.034912][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 77.035797][ T4737] generic_shutdown_super+0x68/0x2f0 [ 77.036688][ T4737] kill_block_super+0x70/0xdc [ 77.037488][ T4737] deactivate_locked_super+0xb8/0x134 [ 77.038393][ T4737] deactivate_super+0xf0/0x110 [ 77.039152][ T4737] cleanup_mnt+0x3b8/0x46c [ 77.039939][ T4737] __cleanup_mnt+0x20/0x30 [ 77.040678][ T4737] task_work_run+0x12c/0x1d8 [ 77.041462][ T4737] do_notify_resume+0x2450/0x309c [ 77.042345][ T4737] el0_svc+0xf0/0x1d0 [ 77.043009][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 77.043884][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 77.044672][ T4737] irq event stamp: 163300 [ 77.045429][ T4737] hardirqs last enabled at (163299): [] __up_console_sem+0xb4/0xfc [ 77.047044][ T4737] hardirqs last disabled at (163300): [] el1_dbg+0x24/0x80 [ 77.048528][ T4737] softirqs last enabled at (163228): [] local_bh_enable+0x10/0x34 [ 77.050006][ T4737] softirqs last disabled at (163226): [] local_bh_disable+0x10/0x34 [ 77.051530][ T4737] ---[ end trace 663eed04a858179a ]--- [ 77.202986][ T4988] 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. [ 77.213421][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.215417][ T4737] ------------[ cut here ]------------ [ 77.216262][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.217811][ T4737] Modules linked in: [ 77.218484][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.219944][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.221626][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.222983][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.223938][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.224933][ T4737] sp : ffff80001f9c6f80 [ 77.225631][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 77.227088][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 77.228461][ T4737] x23: ffff0000e2318c98 x22: ffff0000cfa66820 x21: ffff0000e2318cc0 [ 77.229686][ T4737] x20: ffff0000d95dc068 x19: ffff0000d95dc000 x18: 0000000000000001 [ 77.230858][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 77.232202][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 77.233648][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 77.235005][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.236367][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 77.237776][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.239157][ T4737] Call trace: [ 77.239715][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.240638][ T4737] ext4_xattr_block_set+0x524/0x267c [ 77.241540][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.242549][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 77.243492][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 77.244425][ T4737] ext4_dirty_inode+0xd0/0x100 [ 77.245188][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 77.246026][ T4737] iput+0x1b0/0x764 [ 77.246623][ T4737] dentry_unlink_inode+0x360/0x438 [ 77.247435][ T4737] __dentry_kill+0x320/0x598 [ 77.248201][ T4737] shrink_dentry_list+0x400/0x7b8 [ 77.248992][ T4737] shrink_dcache_parent+0xb4/0x364 [ 77.249907][ T4737] do_one_tree+0x2c/0xf0 [ 77.250641][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 77.251605][ T4737] generic_shutdown_super+0x68/0x2f0 [ 77.252460][ T4737] kill_block_super+0x70/0xdc [ 77.253179][ T4737] deactivate_locked_super+0xb8/0x134 [ 77.253916][ T4737] deactivate_super+0xf0/0x110 [ 77.254659][ T4737] cleanup_mnt+0x3b8/0x46c [ 77.255342][ T4737] __cleanup_mnt+0x20/0x30 [ 77.256092][ T4737] task_work_run+0x12c/0x1d8 [ 77.256860][ T4737] do_notify_resume+0x2450/0x309c [ 77.257666][ T4737] el0_svc+0xf0/0x1d0 [ 77.258391][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 77.259141][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 77.259853][ T4737] irq event stamp: 167282 [ 77.260528][ T4737] hardirqs last enabled at (167281): [] __up_console_sem+0xb4/0xfc [ 77.262071][ T4737] hardirqs last disabled at (167282): [] el1_dbg+0x24/0x80 [ 77.263439][ T4737] softirqs last enabled at (167212): [] local_bh_enable+0x10/0x34 [ 77.264937][ T4737] softirqs last disabled at (167210): [] local_bh_disable+0x10/0x34 [ 77.266555][ T4737] ---[ end trace 663eed04a858179b ]--- [ 77.361677][ T4993] 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. [ 77.369181][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.371560][ T4737] ------------[ cut here ]------------ [ 77.372444][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.373976][ T4737] Modules linked in: [ 77.374649][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.376169][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.377753][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.379053][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.379986][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.380975][ T4737] sp : ffff80001f9c6f80 [ 77.381723][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 77.383124][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 77.384554][ T4737] x23: ffff0000e23c82a0 x22: ffff0000c0a87020 x21: ffff0000e23c82c8 [ 77.385973][ T4737] x20: ffff0000cd7dc068 x19: ffff0000cd7dc000 x18: 1fffe000341f4796 [ 77.387425][ T4737] x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 [ 77.388771][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 77.390156][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 77.391564][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 77.393000][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 77.394414][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.395722][ T4737] Call trace: [ 77.396272][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.397132][ T4737] ext4_xattr_block_set+0x524/0x267c [ 77.397946][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.398897][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 77.399870][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 77.400856][ T4737] ext4_dirty_inode+0xd0/0x100 [ 77.401675][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 77.402567][ T4737] iput+0x1b0/0x764 [ 77.403201][ T4737] dentry_unlink_inode+0x360/0x438 [ 77.404071][ T4737] __dentry_kill+0x320/0x598 [ 77.404891][ T4737] shrink_dentry_list+0x400/0x7b8 [ 77.405771][ T4737] shrink_dcache_parent+0xb4/0x364 [ 77.406640][ T4737] do_one_tree+0x2c/0xf0 [ 77.407326][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 77.408263][ T4737] generic_shutdown_super+0x68/0x2f0 [ 77.409136][ T4737] kill_block_super+0x70/0xdc [ 77.409926][ T4737] deactivate_locked_super+0xb8/0x134 [ 77.410880][ T4737] deactivate_super+0xf0/0x110 [ 77.411742][ T4737] cleanup_mnt+0x3b8/0x46c [ 77.412508][ T4737] __cleanup_mnt+0x20/0x30 [ 77.413299][ T4737] task_work_run+0x12c/0x1d8 [ 77.414103][ T4737] do_notify_resume+0x2450/0x309c [ 77.414963][ T4737] el0_svc+0xf0/0x1d0 [ 77.415651][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 77.416478][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 77.417233][ T4737] irq event stamp: 171804 [ 77.418013][ T4737] hardirqs last enabled at (171803): [] finish_lock_switch+0xb0/0x1c4 [ 77.419755][ T4737] hardirqs last disabled at (171804): [] el1_dbg+0x24/0x80 [ 77.421237][ T4737] softirqs last enabled at (171798): [] handle_softirqs+0xa40/0xbe4 [ 77.422836][ T4737] softirqs last disabled at (171769): [] __irq_exit_rcu+0x240/0x43c [ 77.424387][ T4737] ---[ end trace 663eed04a858179c ]--- [ 77.449553][ T4168] Bluetooth: hci0: command 0x0419 tx timeout [ 77.550876][ T4997] 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. [ 77.559481][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.561619][ T4737] ------------[ cut here ]------------ [ 77.562524][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.564116][ T4737] Modules linked in: [ 77.564709][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.566174][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.567890][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.569215][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.570155][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.571114][ T4737] sp : ffff80001f9c6f80 [ 77.571885][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 77.573263][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 77.574692][ T4737] x23: ffff0000e23ca088 x22: ffff0000ce847820 x21: ffff0000e23ca0b0 [ 77.576088][ T4737] x20: ffff0000cd780068 x19: ffff0000cd780000 x18: 1fffe000341f4796 [ 77.577491][ T4737] x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 [ 77.578986][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 77.580359][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 77.581755][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 77.583197][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 77.584621][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.585948][ T4737] Call trace: [ 77.586507][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.587386][ T4737] ext4_xattr_block_set+0x524/0x267c [ 77.588224][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.589152][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 77.590072][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 77.590933][ T4737] ext4_dirty_inode+0xd0/0x100 [ 77.591698][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 77.592516][ T4737] iput+0x1b0/0x764 [ 77.593170][ T4737] dentry_unlink_inode+0x360/0x438 [ 77.594068][ T4737] __dentry_kill+0x320/0x598 [ 77.594911][ T4737] shrink_dentry_list+0x400/0x7b8 [ 77.595833][ T4737] shrink_dcache_parent+0xb4/0x364 [ 77.596719][ T4737] do_one_tree+0x2c/0xf0 [ 77.597454][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 77.598377][ T4737] generic_shutdown_super+0x68/0x2f0 [ 77.599214][ T4737] kill_block_super+0x70/0xdc [ 77.600015][ T4737] deactivate_locked_super+0xb8/0x134 [ 77.600914][ T4737] deactivate_super+0xf0/0x110 [ 77.601695][ T4737] cleanup_mnt+0x3b8/0x46c [ 77.602384][ T4737] __cleanup_mnt+0x20/0x30 [ 77.603083][ T4737] task_work_run+0x12c/0x1d8 [ 77.603859][ T4737] do_notify_resume+0x2450/0x309c [ 77.604699][ T4737] el0_svc+0xf0/0x1d0 [ 77.605359][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 77.606216][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 77.606972][ T4737] irq event stamp: 175890 [ 77.607651][ T4737] hardirqs last enabled at (175889): [] finish_lock_switch+0xb0/0x1c4 [ 77.609343][ T4737] hardirqs last disabled at (175890): [] el1_dbg+0x24/0x80 [ 77.610703][ T4737] softirqs last enabled at (175870): [] handle_softirqs+0xa40/0xbe4 [ 77.612180][ T4737] softirqs last disabled at (175855): [] __irq_exit_rcu+0x240/0x43c [ 77.613655][ T4737] ---[ end trace 663eed04a858179d ]--- [ 77.701078][ T5001] 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. [ 77.708931][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.710949][ T4737] ------------[ cut here ]------------ [ 77.711825][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.713420][ T4737] Modules linked in: [ 77.714080][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.715630][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.717271][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.718518][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.719356][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.720356][ T4737] sp : ffff80001f9c6f80 [ 77.721065][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 77.722401][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 77.723723][ T4737] x23: ffff0000e23cd260 x22: ffff0000d71fa820 x21: ffff0000e23cd288 [ 77.725164][ T4737] x20: ffff0000c9f52068 x19: ffff0000c9f52000 x18: 0000000000000001 [ 77.726542][ T4737] x17: 0000000000000000 x16: ffff800008304af8 x15: 00000000ffffffff [ 77.727926][ T4737] x14: 0000000000000001 x13: 1ffff00003f38ce8 x12: 0000000000ff0100 [ 77.729282][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 77.730735][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.732179][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff800008304c08 [ 77.733642][ T4737] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.735131][ T4737] Call trace: [ 77.735699][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.736692][ T4737] ext4_xattr_block_set+0x524/0x267c [ 77.737626][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.738631][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 77.739651][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 77.740561][ T4737] ext4_dirty_inode+0xd0/0x100 [ 77.741366][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 77.742232][ T4737] iput+0x1b0/0x764 [ 77.742883][ T4737] dentry_unlink_inode+0x360/0x438 [ 77.743751][ T4737] __dentry_kill+0x320/0x598 [ 77.744536][ T4737] shrink_dentry_list+0x400/0x7b8 [ 77.745424][ T4737] shrink_dcache_parent+0xb4/0x364 [ 77.746299][ T4737] do_one_tree+0x2c/0xf0 [ 77.747058][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 77.747916][ T4737] generic_shutdown_super+0x68/0x2f0 [ 77.748760][ T4737] kill_block_super+0x70/0xdc [ 77.749489][ T4737] deactivate_locked_super+0xb8/0x134 [ 77.750330][ T4737] deactivate_super+0xf0/0x110 [ 77.751188][ T4737] cleanup_mnt+0x3b8/0x46c [ 77.751871][ T4737] __cleanup_mnt+0x20/0x30 [ 77.752532][ T4737] task_work_run+0x12c/0x1d8 [ 77.753289][ T4737] do_notify_resume+0x2450/0x309c [ 77.754126][ T4737] el0_svc+0xf0/0x1d0 [ 77.754778][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 77.755593][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 77.756290][ T4737] irq event stamp: 179998 [ 77.756958][ T4737] hardirqs last enabled at (179997): [] __up_console_sem+0xb4/0xfc [ 77.758507][ T4737] hardirqs last disabled at (179998): [] el1_dbg+0x24/0x80 [ 77.759916][ T4737] softirqs last enabled at (179994): [] handle_softirqs+0xa40/0xbe4 [ 77.761547][ T4737] softirqs last disabled at (179983): [] __irq_exit_rcu+0x240/0x43c [ 77.763201][ T4737] ---[ end trace 663eed04a858179e ]--- [ 77.871709][ T5005] 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. [ 77.882957][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.884951][ T4737] ------------[ cut here ]------------ [ 77.885819][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.887530][ T4737] Modules linked in: [ 77.888163][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.889711][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.891552][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.892949][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.893915][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.894880][ T4737] sp : ffff80001f9c6f80 [ 77.895584][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 77.896974][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 77.898184][ T4737] x23: ffff0000e21582a0 x22: ffff0000da27e820 x21: ffff0000e21582c8 [ 77.899503][ T4737] x20: ffff0000c175a068 x19: ffff0000c175a000 x18: 0000000000000001 [ 77.900844][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 77.902145][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 77.903566][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 77.904909][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.906296][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 77.907666][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.908906][ T4737] Call trace: [ 77.909430][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.910377][ T4737] ext4_xattr_block_set+0x524/0x267c [ 77.911201][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.912113][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 77.913044][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 77.913963][ T4737] ext4_dirty_inode+0xd0/0x100 [ 77.914756][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 77.915647][ T4737] iput+0x1b0/0x764 [ 77.916231][ T4737] dentry_unlink_inode+0x360/0x438 [ 77.917063][ T4737] __dentry_kill+0x320/0x598 [ 77.917813][ T4737] shrink_dentry_list+0x400/0x7b8 [ 77.918599][ T4737] shrink_dcache_parent+0xb4/0x364 [ 77.919417][ T4737] do_one_tree+0x2c/0xf0 [ 77.920129][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 77.920976][ T4737] generic_shutdown_super+0x68/0x2f0 [ 77.921874][ T4737] kill_block_super+0x70/0xdc [ 77.922722][ T4737] deactivate_locked_super+0xb8/0x134 [ 77.923649][ T4737] deactivate_super+0xf0/0x110 [ 77.924419][ T4737] cleanup_mnt+0x3b8/0x46c [ 77.925109][ T4737] __cleanup_mnt+0x20/0x30 [ 77.925857][ T4737] task_work_run+0x12c/0x1d8 [ 77.926685][ T4737] do_notify_resume+0x2450/0x309c [ 77.927498][ T4737] el0_svc+0xf0/0x1d0 [ 77.928191][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 77.929045][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 77.929832][ T4737] irq event stamp: 183846 [ 77.930558][ T4737] hardirqs last enabled at (183845): [] __up_console_sem+0xb4/0xfc [ 77.932169][ T4737] hardirqs last disabled at (183846): [] el1_dbg+0x24/0x80 [ 77.933639][ T4737] softirqs last enabled at (183782): [] local_bh_enable+0x10/0x34 [ 77.935219][ T4737] softirqs last disabled at (183780): [] local_bh_disable+0x10/0x34 [ 77.936844][ T4737] ---[ end trace 663eed04a858179f ]--- [ 78.095638][ T5009] 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. [ 78.113025][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.114946][ T4737] ------------[ cut here ]------------ [ 78.115728][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.117343][ T4737] Modules linked in: [ 78.117930][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.119362][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.121097][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.122483][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.123470][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.124425][ T4737] sp : ffff80001f9c6f80 [ 78.125135][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 78.126427][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 78.127873][ T4737] x23: ffff0000e231be70 x22: ffff0000cb8ca820 x21: ffff0000e231be98 [ 78.129294][ T4737] x20: ffff0000d8736068 x19: ffff0000d8736000 x18: 0000000000000001 [ 78.130613][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 78.131926][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 78.133267][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 78.134581][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.136061][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 78.137496][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.139007][ T4737] Call trace: [ 78.139560][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.140430][ T4737] ext4_xattr_block_set+0x524/0x267c [ 78.141346][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.142323][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 78.143297][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 78.144309][ T4737] ext4_dirty_inode+0xd0/0x100 [ 78.145044][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 78.145827][ T4737] iput+0x1b0/0x764 [ 78.146434][ T4737] dentry_unlink_inode+0x360/0x438 [ 78.147193][ T4737] __dentry_kill+0x320/0x598 [ 78.147984][ T4737] shrink_dentry_list+0x400/0x7b8 [ 78.148808][ T4737] shrink_dcache_parent+0xb4/0x364 [ 78.149653][ T4737] do_one_tree+0x2c/0xf0 [ 78.150387][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 78.151281][ T4737] generic_shutdown_super+0x68/0x2f0 [ 78.152096][ T4737] kill_block_super+0x70/0xdc [ 78.152858][ T4737] deactivate_locked_super+0xb8/0x134 [ 78.153713][ T4737] deactivate_super+0xf0/0x110 [ 78.154549][ T4737] cleanup_mnt+0x3b8/0x46c [ 78.155310][ T4737] __cleanup_mnt+0x20/0x30 [ 78.156074][ T4737] task_work_run+0x12c/0x1d8 [ 78.156862][ T4737] do_notify_resume+0x2450/0x309c [ 78.157658][ T4737] el0_svc+0xf0/0x1d0 [ 78.158286][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 78.159079][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 78.159817][ T4737] irq event stamp: 187846 [ 78.160603][ T4737] hardirqs last enabled at (187845): [] __up_console_sem+0xb4/0xfc [ 78.162241][ T4737] hardirqs last disabled at (187846): [] el1_dbg+0x24/0x80 [ 78.163637][ T4737] softirqs last enabled at (187788): [] local_bh_enable+0x10/0x34 [ 78.165140][ T4737] softirqs last disabled at (187786): [] local_bh_disable+0x10/0x34 [ 78.166654][ T4737] ---[ end trace 663eed04a85817a0 ]--- [ 78.266426][ T5013] 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. [ 78.283211][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.285028][ T4737] ------------[ cut here ]------------ [ 78.285833][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.287373][ T4737] Modules linked in: [ 78.288003][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.289382][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.290993][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.292269][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.293285][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.294221][ T4737] sp : ffff80001f9c6f80 [ 78.294922][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 78.296302][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 78.297571][ T4737] x23: ffff0000e231f048 x22: ffff0000c2df0820 x21: ffff0000e231f070 [ 78.298980][ T4737] x20: ffff0000ecebc068 x19: ffff0000ecebc000 x18: 0000000000000001 [ 78.300280][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 78.301661][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 78.303009][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 78.304325][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.305704][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 78.307072][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.308439][ T4737] Call trace: [ 78.308954][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.309849][ T4737] ext4_xattr_block_set+0x524/0x267c [ 78.310788][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.311794][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 78.312729][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 78.313710][ T4737] ext4_dirty_inode+0xd0/0x100 [ 78.314521][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 78.315412][ T4737] iput+0x1b0/0x764 [ 78.316067][ T4737] dentry_unlink_inode+0x360/0x438 [ 78.316934][ T4737] __dentry_kill+0x320/0x598 [ 78.317676][ T4737] shrink_dentry_list+0x400/0x7b8 [ 78.318557][ T4737] shrink_dcache_parent+0xb4/0x364 [ 78.319468][ T4737] do_one_tree+0x2c/0xf0 [ 78.320209][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 78.321052][ T4737] generic_shutdown_super+0x68/0x2f0 [ 78.321900][ T4737] kill_block_super+0x70/0xdc [ 78.322624][ T4737] deactivate_locked_super+0xb8/0x134 [ 78.323524][ T4737] deactivate_super+0xf0/0x110 [ 78.324309][ T4737] cleanup_mnt+0x3b8/0x46c [ 78.325069][ T4737] __cleanup_mnt+0x20/0x30 [ 78.325851][ T4737] task_work_run+0x12c/0x1d8 [ 78.326665][ T4737] do_notify_resume+0x2450/0x309c [ 78.327501][ T4737] el0_svc+0xf0/0x1d0 [ 78.328161][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 78.329076][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 78.329878][ T4737] irq event stamp: 191486 [ 78.330578][ T4737] hardirqs last enabled at (191485): [] __up_console_sem+0xb4/0xfc [ 78.332207][ T4737] hardirqs last disabled at (191486): [] el1_dbg+0x24/0x80 [ 78.333556][ T4737] softirqs last enabled at (191422): [] local_bh_enable+0x10/0x34 [ 78.335166][ T4737] softirqs last disabled at (191420): [] local_bh_disable+0x10/0x34 [ 78.336688][ T4737] ---[ end trace 663eed04a85817a1 ]--- [ 78.422031][ T5017] 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. [ 78.441743][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.443543][ T4737] ------------[ cut here ]------------ [ 78.444398][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.445867][ T4737] Modules linked in: [ 78.446544][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.447984][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.449716][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.451122][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.452095][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.453045][ T4737] sp : ffff80001f9c6f80 [ 78.453692][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 78.454942][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 78.456172][ T4737] x23: ffff0000e215be70 x22: ffff0000d7c19020 x21: ffff0000e215be98 [ 78.457504][ T4737] x20: ffff0000edb4a068 x19: ffff0000edb4a000 x18: 0000000000000001 [ 78.458774][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 78.460083][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 78.461309][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 78.462458][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.463587][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 78.464731][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.465887][ T4737] Call trace: [ 78.466369][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.467145][ T4737] ext4_xattr_block_set+0x524/0x267c [ 78.467911][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.468759][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 78.469554][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 78.470368][ T4737] ext4_dirty_inode+0xd0/0x100 [ 78.471071][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 78.471774][ T4737] iput+0x1b0/0x764 [ 78.472302][ T4737] dentry_unlink_inode+0x360/0x438 [ 78.473021][ T4737] __dentry_kill+0x320/0x598 [ 78.473683][ T4737] shrink_dentry_list+0x400/0x7b8 [ 78.474498][ T4737] shrink_dcache_parent+0xb4/0x364 [ 78.475362][ T4737] do_one_tree+0x2c/0xf0 [ 78.476121][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 78.477024][ T4737] generic_shutdown_super+0x68/0x2f0 [ 78.477982][ T4737] kill_block_super+0x70/0xdc [ 78.478776][ T4737] deactivate_locked_super+0xb8/0x134 [ 78.479669][ T4737] deactivate_super+0xf0/0x110 [ 78.480453][ T4737] cleanup_mnt+0x3b8/0x46c [ 78.481235][ T4737] __cleanup_mnt+0x20/0x30 [ 78.482029][ T4737] task_work_run+0x12c/0x1d8 [ 78.482791][ T4737] do_notify_resume+0x2450/0x309c [ 78.483683][ T4737] el0_svc+0xf0/0x1d0 [ 78.484348][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 78.485183][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 78.485923][ T4737] irq event stamp: 195356 [ 78.486645][ T4737] hardirqs last enabled at (195355): [] __up_console_sem+0xb4/0xfc [ 78.488152][ T4737] hardirqs last disabled at (195356): [] el1_dbg+0x24/0x80 [ 78.489499][ T4737] softirqs last enabled at (195280): [] local_bh_enable+0x10/0x34 [ 78.491103][ T4737] softirqs last disabled at (195278): [] local_bh_disable+0x10/0x34 [ 78.492598][ T4737] ---[ end trace 663eed04a85817a2 ]--- [ 78.601610][ T5021] 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. [ 78.610284][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.612230][ T4737] ------------[ cut here ]------------ [ 78.613094][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.614699][ T4737] Modules linked in: [ 78.615269][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.616625][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.618074][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.619207][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.620108][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.620971][ T4737] sp : ffff80001f9c6f80 [ 78.621677][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 78.622991][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 78.624259][ T4737] x23: ffff0000e215dc58 x22: ffff0000d930c020 x21: ffff0000e215dc80 [ 78.625460][ T4737] x20: ffff0000cf2d8068 x19: ffff0000cf2d8000 x18: 1fffe000341f4796 [ 78.626747][ T4737] x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 [ 78.627994][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 78.629146][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 78.630512][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 78.631824][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 78.633183][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.634541][ T4737] Call trace: [ 78.635100][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.635958][ T4737] ext4_xattr_block_set+0x524/0x267c [ 78.636890][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.637855][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 78.638795][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 78.639695][ T4737] ext4_dirty_inode+0xd0/0x100 [ 78.640495][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 78.641331][ T4737] iput+0x1b0/0x764 [ 78.641982][ T4737] dentry_unlink_inode+0x360/0x438 [ 78.642870][ T4737] __dentry_kill+0x320/0x598 [ 78.643653][ T4737] shrink_dentry_list+0x400/0x7b8 [ 78.644565][ T4737] shrink_dcache_parent+0xb4/0x364 [ 78.645442][ T4737] do_one_tree+0x2c/0xf0 [ 78.646088][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 78.646993][ T4737] generic_shutdown_super+0x68/0x2f0 [ 78.647818][ T4737] kill_block_super+0x70/0xdc [ 78.648578][ T4737] deactivate_locked_super+0xb8/0x134 [ 78.649480][ T4737] deactivate_super+0xf0/0x110 [ 78.650257][ T4737] cleanup_mnt+0x3b8/0x46c [ 78.650985][ T4737] __cleanup_mnt+0x20/0x30 [ 78.651788][ T4737] task_work_run+0x12c/0x1d8 [ 78.652540][ T4737] do_notify_resume+0x2450/0x309c [ 78.653409][ T4737] el0_svc+0xf0/0x1d0 [ 78.654103][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 78.654968][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 78.655750][ T4737] irq event stamp: 199394 [ 78.656521][ T4737] hardirqs last enabled at (199393): [] finish_lock_switch+0xb0/0x1c4 [ 78.658188][ T4737] hardirqs last disabled at (199394): [] el1_dbg+0x24/0x80 [ 78.659806][ T4737] softirqs last enabled at (199304): [] local_bh_enable+0x10/0x34 [ 78.661506][ T4737] softirqs last disabled at (199302): [] local_bh_disable+0x10/0x34 [ 78.663238][ T4737] ---[ end trace 663eed04a85817a3 ]--- [ 78.821852][ T5025] 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. [ 78.830550][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.832635][ T4737] ------------[ cut here ]------------ [ 78.833513][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.835206][ T4737] Modules linked in: [ 78.835816][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.837238][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.838757][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.839915][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.840830][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.841747][ T4737] sp : ffff80001f9c6f80 [ 78.842493][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 78.843932][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 78.845324][ T4737] x23: ffff0000e2229690 x22: ffff0000d0269820 x21: ffff0000e22296b8 [ 78.846714][ T4737] x20: ffff0000d0fb6068 x19: ffff0000d0fb6000 x18: 1fffe000341f4796 [ 78.848050][ T4737] x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 [ 78.849463][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 78.850833][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 78.852185][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 78.853481][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 78.854878][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.856362][ T4737] Call trace: [ 78.856890][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.857798][ T4737] ext4_xattr_block_set+0x524/0x267c [ 78.858691][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.859662][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 78.860684][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 78.861554][ T4737] ext4_dirty_inode+0xd0/0x100 [ 78.862385][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 78.863194][ T4737] iput+0x1b0/0x764 [ 78.863852][ T4737] dentry_unlink_inode+0x360/0x438 [ 78.864733][ T4737] __dentry_kill+0x320/0x598 [ 78.865506][ T4737] shrink_dentry_list+0x400/0x7b8 [ 78.866365][ T4737] shrink_dcache_parent+0xb4/0x364 [ 78.867211][ T4737] do_one_tree+0x2c/0xf0 [ 78.867968][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 78.868861][ T4737] generic_shutdown_super+0x68/0x2f0 [ 78.869691][ T4737] kill_block_super+0x70/0xdc [ 78.870408][ T4737] deactivate_locked_super+0xb8/0x134 [ 78.871250][ T4737] deactivate_super+0xf0/0x110 [ 78.872008][ T4737] cleanup_mnt+0x3b8/0x46c [ 78.872776][ T4737] __cleanup_mnt+0x20/0x30 [ 78.873514][ T4737] task_work_run+0x12c/0x1d8 [ 78.874264][ T4737] do_notify_resume+0x2450/0x309c [ 78.875082][ T4737] el0_svc+0xf0/0x1d0 [ 78.875721][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 78.876501][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 78.877204][ T4737] irq event stamp: 203330 [ 78.877886][ T4737] hardirqs last enabled at (203329): [] finish_lock_switch+0xb0/0x1c4 [ 78.879416][ T4737] hardirqs last disabled at (203330): [] el1_dbg+0x24/0x80 [ 78.880904][ T4737] softirqs last enabled at (203258): [] local_bh_enable+0x10/0x34 [ 78.882506][ T4737] softirqs last disabled at (203256): [] local_bh_disable+0x10/0x34 [ 78.884083][ T4737] ---[ end trace 663eed04a85817a4 ]--- [ 79.002870][ T5029] 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. [ 79.011217][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.013223][ T4737] ------------[ cut here ]------------ [ 79.014028][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.015586][ T4737] Modules linked in: [ 79.016267][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.017664][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.019221][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.020613][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.021559][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.022494][ T4737] sp : ffff80001f9c6f80 [ 79.023161][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 79.024667][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 79.026096][ T4737] x23: ffff0000e2175260 x22: ffff0000cd832020 x21: ffff0000e2175288 [ 79.027493][ T4737] x20: ffff0000d3a44068 x19: ffff0000d3a44000 x18: 0000000000000001 [ 79.028865][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 79.030195][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 79.031461][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 79.032737][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.034110][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 79.035597][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.036931][ T4737] Call trace: [ 79.037482][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.038437][ T4737] ext4_xattr_block_set+0x524/0x267c [ 79.039316][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.040239][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 79.041185][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 79.042109][ T4737] ext4_dirty_inode+0xd0/0x100 [ 79.042889][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 79.043714][ T4737] iput+0x1b0/0x764 [ 79.044386][ T4737] dentry_unlink_inode+0x360/0x438 [ 79.045285][ T4737] __dentry_kill+0x320/0x598 [ 79.046000][ T4737] shrink_dentry_list+0x400/0x7b8 [ 79.046869][ T4737] shrink_dcache_parent+0xb4/0x364 [ 79.047700][ T4737] do_one_tree+0x2c/0xf0 [ 79.048449][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 79.049397][ T4737] generic_shutdown_super+0x68/0x2f0 [ 79.050385][ T4737] kill_block_super+0x70/0xdc [ 79.051222][ T4737] deactivate_locked_super+0xb8/0x134 [ 79.052156][ T4737] deactivate_super+0xf0/0x110 [ 79.052974][ T4737] cleanup_mnt+0x3b8/0x46c [ 79.053707][ T4737] __cleanup_mnt+0x20/0x30 [ 79.054443][ T4737] task_work_run+0x12c/0x1d8 [ 79.055259][ T4737] do_notify_resume+0x2450/0x309c [ 79.056105][ T4737] el0_svc+0xf0/0x1d0 [ 79.056752][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 79.057575][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 79.058231][ T4737] irq event stamp: 207526 [ 79.058949][ T4737] hardirqs last enabled at (207525): [] __up_console_sem+0xb4/0xfc [ 79.060567][ T4737] hardirqs last disabled at (207526): [] el1_dbg+0x24/0x80 [ 79.061968][ T4737] softirqs last enabled at (207452): [] local_bh_enable+0x10/0x34 [ 79.063441][ T4737] softirqs last disabled at (207450): [] local_bh_disable+0x10/0x34 [ 79.064837][ T4737] ---[ end trace 663eed04a85817a5 ]--- [ 79.160913][ T5034] 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. [ 79.168552][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.170887][ T4737] ------------[ cut here ]------------ [ 79.171797][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.173477][ T4737] Modules linked in: [ 79.174135][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.175605][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.177373][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.178676][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.179613][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.180488][ T4737] sp : ffff80001f9c6f80 [ 79.181096][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 79.182324][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 79.183544][ T4737] x23: ffff0000e222c868 x22: ffff0000da22f820 x21: ffff0000e222c890 [ 79.184746][ T4737] x20: ffff0000cd62c068 x19: ffff0000cd62c000 x18: 0000000000000002 [ 79.186004][ T4737] x17: 0000000040000000 x16: ffff80001125f020 x15: 0000000000000002 [ 79.187263][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 79.188436][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 79.189630][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 79.190872][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 79.192124][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.193334][ T4737] Call trace: [ 79.193815][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.194670][ T4737] ext4_xattr_block_set+0x524/0x267c [ 79.195517][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.196411][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 79.197266][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 79.198086][ T4737] ext4_dirty_inode+0xd0/0x100 [ 79.198878][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 79.199683][ T4737] iput+0x1b0/0x764 [ 79.200312][ T4737] dentry_unlink_inode+0x360/0x438 [ 79.201107][ T4737] __dentry_kill+0x320/0x598 [ 79.201876][ T4737] shrink_dentry_list+0x400/0x7b8 [ 79.202589][ T4737] shrink_dcache_parent+0xb4/0x364 [ 79.203398][ T4737] do_one_tree+0x2c/0xf0 [ 79.204082][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 79.205002][ T4737] generic_shutdown_super+0x68/0x2f0 [ 79.205953][ T4737] kill_block_super+0x70/0xdc [ 79.206756][ T4737] deactivate_locked_super+0xb8/0x134 [ 79.207663][ T4737] deactivate_super+0xf0/0x110 [ 79.208451][ T4737] cleanup_mnt+0x3b8/0x46c [ 79.209178][ T4737] __cleanup_mnt+0x20/0x30 [ 79.209946][ T4737] task_work_run+0x12c/0x1d8 [ 79.210711][ T4737] do_notify_resume+0x2450/0x309c [ 79.211515][ T4737] el0_svc+0xf0/0x1d0 [ 79.212197][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 79.212993][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 79.213740][ T4737] irq event stamp: 211546 [ 79.214414][ T4737] hardirqs last enabled at (211545): [] finish_lock_switch+0xb0/0x1c4 [ 79.215903][ T4737] hardirqs last disabled at (211546): [] el1_dbg+0x24/0x80 [ 79.217383][ T4737] softirqs last enabled at (211540): [] handle_softirqs+0xa40/0xbe4 [ 79.218987][ T4737] softirqs last disabled at (211527): [] __irq_exit_rcu+0x240/0x43c [ 79.220459][ T4737] ---[ end trace 663eed04a85817a6 ]--- [ 79.312034][ T5038] 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. [ 79.320744][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.322543][ T4737] ------------[ cut here ]------------ [ 79.323386][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.324995][ T4737] Modules linked in: [ 79.325669][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.327163][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.328858][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.330143][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.331095][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.332049][ T4737] sp : ffff80001f9c6f80 [ 79.332788][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 79.334166][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 79.335535][ T4737] x23: ffff0000ee0102a0 x22: ffff0000caac6820 x21: ffff0000ee0102c8 [ 79.336900][ T4737] x20: ffff0000d0e86068 x19: ffff0000d0e86000 x18: 0000000000000001 [ 79.338263][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 79.339507][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 79.340880][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 79.342189][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.343429][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 79.344828][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.346176][ T4737] Call trace: [ 79.346759][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.347693][ T4737] ext4_xattr_block_set+0x524/0x267c [ 79.348592][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.349581][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 79.350592][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 79.351525][ T4737] ext4_dirty_inode+0xd0/0x100 [ 79.352328][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 79.353174][ T4737] iput+0x1b0/0x764 [ 79.353826][ T4737] dentry_unlink_inode+0x360/0x438 [ 79.354651][ T4737] __dentry_kill+0x320/0x598 [ 79.355441][ T4737] shrink_dentry_list+0x400/0x7b8 [ 79.356225][ T4737] shrink_dcache_parent+0xb4/0x364 [ 79.357067][ T4737] do_one_tree+0x2c/0xf0 [ 79.357770][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 79.358645][ T4737] generic_shutdown_super+0x68/0x2f0 [ 79.359517][ T4737] kill_block_super+0x70/0xdc [ 79.360296][ T4737] deactivate_locked_super+0xb8/0x134 [ 79.361180][ T4737] deactivate_super+0xf0/0x110 [ 79.361909][ T4737] cleanup_mnt+0x3b8/0x46c [ 79.362697][ T4737] __cleanup_mnt+0x20/0x30 [ 79.363387][ T4737] task_work_run+0x12c/0x1d8 [ 79.364106][ T4737] do_notify_resume+0x2450/0x309c [ 79.364865][ T4737] el0_svc+0xf0/0x1d0 [ 79.365477][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 79.366177][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 79.366855][ T4737] irq event stamp: 215512 [ 79.367574][ T4737] hardirqs last enabled at (215511): [] __up_console_sem+0xb4/0xfc [ 79.369052][ T4737] hardirqs last disabled at (215512): [] el1_dbg+0x24/0x80 [ 79.370416][ T4737] softirqs last enabled at (215456): [] local_bh_enable+0x10/0x34 [ 79.371879][ T4737] softirqs last disabled at (215454): [] local_bh_disable+0x10/0x34 [ 79.373472][ T4737] ---[ end trace 663eed04a85817a7 ]--- [ 79.491390][ T5043] 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. [ 79.502588][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.504620][ T4737] ------------[ cut here ]------------ [ 79.505484][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.507055][ T4737] Modules linked in: [ 79.507745][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.509109][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.510644][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.511934][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.512876][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.513841][ T4737] sp : ffff80001f9c6f80 [ 79.514527][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 79.515932][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 79.517288][ T4737] x23: ffff0000ee012088 x22: ffff0000e8328820 x21: ffff0000ee0120b0 [ 79.518680][ T4737] x20: ffff0000ed0c0068 x19: ffff0000ed0c0000 x18: 1fffe000341f0596 [ 79.520042][ T4737] x17: 1fffe000341f0596 x16: ffff80001125f020 x15: ffff80001433ed40 [ 79.521350][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 79.522567][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 79.523833][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 79.525214][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 79.526602][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.528022][ T4737] Call trace: [ 79.528605][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.529406][ T4737] ext4_xattr_block_set+0x524/0x267c [ 79.530222][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.531186][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 79.532142][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 79.533074][ T4737] ext4_dirty_inode+0xd0/0x100 [ 79.533871][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 79.534747][ T4737] iput+0x1b0/0x764 [ 79.535388][ T4737] dentry_unlink_inode+0x360/0x438 [ 79.536316][ T4737] __dentry_kill+0x320/0x598 [ 79.537084][ T4737] shrink_dentry_list+0x400/0x7b8 [ 79.537904][ T4737] shrink_dcache_parent+0xb4/0x364 [ 79.538797][ T4737] do_one_tree+0x2c/0xf0 [ 79.539505][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 79.540398][ T4737] generic_shutdown_super+0x68/0x2f0 [ 79.541231][ T4737] kill_block_super+0x70/0xdc [ 79.541998][ T4737] deactivate_locked_super+0xb8/0x134 [ 79.542871][ T4737] deactivate_super+0xf0/0x110 [ 79.543593][ T4737] cleanup_mnt+0x3b8/0x46c [ 79.544254][ T4737] __cleanup_mnt+0x20/0x30 [ 79.544918][ T4737] task_work_run+0x12c/0x1d8 [ 79.545651][ T4737] do_notify_resume+0x2450/0x309c [ 79.546469][ T4737] el0_svc+0xf0/0x1d0 [ 79.547104][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 79.547949][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 79.548662][ T4737] irq event stamp: 219038 [ 79.549378][ T4737] hardirqs last enabled at (219037): [] finish_lock_switch+0xb0/0x1c4 [ 79.550973][ T4737] hardirqs last disabled at (219038): [] el1_dbg+0x24/0x80 [ 79.552439][ T4737] softirqs last enabled at (218964): [] local_bh_enable+0x10/0x34 [ 79.553904][ T4737] softirqs last disabled at (218962): [] local_bh_disable+0x10/0x34 [ 79.555605][ T4737] ---[ end trace 663eed04a85817a8 ]--- [ 79.610906][ T5047] 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. [ 79.618185][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.620152][ T4737] ------------[ cut here ]------------ [ 79.620952][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.622543][ T4737] Modules linked in: [ 79.623165][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.624528][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.626173][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.627435][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.628239][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.629132][ T4737] sp : ffff80001f9c6f80 [ 79.629774][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 79.631066][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 79.632375][ T4737] x23: ffff0000e220a088 x22: ffff0000e832e020 x21: ffff0000e220a0b0 [ 79.633716][ T4737] x20: ffff0000d5c8c068 x19: ffff0000d5c8c000 x18: 1fffe000341f0596 [ 79.634947][ T4737] x17: 1fffe000341f0596 x16: ffff80001125f020 x15: ffff80001433ed40 [ 79.636182][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 79.637527][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 79.638860][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 79.640177][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 79.641574][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.642832][ T4737] Call trace: [ 79.643360][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.644230][ T4737] ext4_xattr_block_set+0x524/0x267c [ 79.645022][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.645942][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 79.646756][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 79.647610][ T4737] ext4_dirty_inode+0xd0/0x100 [ 79.648339][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 79.649197][ T4737] iput+0x1b0/0x764 [ 79.649824][ T4737] dentry_unlink_inode+0x360/0x438 [ 79.650688][ T4737] __dentry_kill+0x320/0x598 [ 79.651411][ T4737] shrink_dentry_list+0x400/0x7b8 [ 79.652189][ T4737] shrink_dcache_parent+0xb4/0x364 [ 79.653070][ T4737] do_one_tree+0x2c/0xf0 [ 79.653747][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 79.654705][ T4737] generic_shutdown_super+0x68/0x2f0 [ 79.655614][ T4737] kill_block_super+0x70/0xdc [ 79.656473][ T4737] deactivate_locked_super+0xb8/0x134 [ 79.657327][ T4737] deactivate_super+0xf0/0x110 [ 79.658057][ T4737] cleanup_mnt+0x3b8/0x46c [ 79.658817][ T4737] __cleanup_mnt+0x20/0x30 [ 79.659528][ T4737] task_work_run+0x12c/0x1d8 [ 79.660255][ T4737] do_notify_resume+0x2450/0x309c [ 79.661044][ T4737] el0_svc+0xf0/0x1d0 [ 79.661686][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 79.662492][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 79.663178][ T4737] irq event stamp: 222746 [ 79.663796][ T4737] hardirqs last enabled at (222745): [] finish_lock_switch+0xb0/0x1c4 [ 79.665253][ T4737] hardirqs last disabled at (222746): [] el1_dbg+0x24/0x80 [ 79.666862][ T4737] softirqs last enabled at (222740): [] handle_softirqs+0xa40/0xbe4 [ 79.668597][ T4737] softirqs last disabled at (222727): [] __irq_exit_rcu+0x240/0x43c [ 79.670104][ T4737] ---[ end trace 663eed04a85817a9 ]--- [ 79.782742][ T5051] 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. [ 79.792404][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.794263][ T4737] ------------[ cut here ]------------ [ 79.795199][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.796767][ T4737] Modules linked in: [ 79.797398][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.798848][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.800502][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.801814][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.802828][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.803839][ T4737] sp : ffff80001f9c6f80 [ 79.804530][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 79.805888][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 79.807192][ T4737] x23: ffff0000ee015260 x22: ffff0000d3200020 x21: ffff0000ee015288 [ 79.808529][ T4737] x20: ffff0000d8258068 x19: ffff0000d8258000 x18: 0000000000000001 [ 79.809861][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 79.811281][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 79.812627][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 79.813946][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.815227][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 79.816647][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.817970][ T4737] Call trace: [ 79.818456][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.819346][ T4737] ext4_xattr_block_set+0x524/0x267c [ 79.820213][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.821114][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 79.822119][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 79.822987][ T4737] ext4_dirty_inode+0xd0/0x100 [ 79.823758][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 79.824622][ T4737] iput+0x1b0/0x764 [ 79.825261][ T4737] dentry_unlink_inode+0x360/0x438 [ 79.826046][ T4737] __dentry_kill+0x320/0x598 [ 79.826929][ T4737] shrink_dentry_list+0x400/0x7b8 [ 79.827694][ T4737] shrink_dcache_parent+0xb4/0x364 [ 79.828520][ T4737] do_one_tree+0x2c/0xf0 [ 79.829186][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 79.830086][ T4737] generic_shutdown_super+0x68/0x2f0 [ 79.830999][ T4737] kill_block_super+0x70/0xdc [ 79.831753][ T4737] deactivate_locked_super+0xb8/0x134 [ 79.832718][ T4737] deactivate_super+0xf0/0x110 [ 79.833569][ T4737] cleanup_mnt+0x3b8/0x46c [ 79.834264][ T4737] __cleanup_mnt+0x20/0x30 [ 79.835027][ T4737] task_work_run+0x12c/0x1d8 [ 79.835779][ T4737] do_notify_resume+0x2450/0x309c [ 79.836653][ T4737] el0_svc+0xf0/0x1d0 [ 79.837350][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 79.838214][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 79.839026][ T4737] irq event stamp: 226794 [ 79.839764][ T4737] hardirqs last enabled at (226793): [] __up_console_sem+0xb4/0xfc [ 79.841386][ T4737] hardirqs last disabled at (226794): [] el1_dbg+0x24/0x80 [ 79.842854][ T4737] softirqs last enabled at (226722): [] local_bh_enable+0x10/0x34 [ 79.844441][ T4737] softirqs last disabled at (226720): [] local_bh_disable+0x10/0x34 [ 79.846072][ T4737] ---[ end trace 663eed04a85817aa ]--- [ 79.940841][ T5055] 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. [ 79.949306][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.951555][ T4737] ------------[ cut here ]------------ [ 79.952428][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.954020][ T4737] Modules linked in: [ 79.954655][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.956165][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.957698][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.958865][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.959754][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.960635][ T4737] sp : ffff80001f9c6f80 [ 79.961251][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 79.962538][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 79.963822][ T4737] x23: ffff0000e220d260 x22: ffff0000d495b020 x21: ffff0000e220d288 [ 79.965084][ T4737] x20: ffff0000c9622068 x19: ffff0000c9622000 x18: 0000000000000001 [ 79.966491][ T4737] x17: 0000000000000000 x16: ffff8000082c2ce4 x15: 00000000ffffffff [ 79.967808][ T4737] x14: 0000000000000003 x13: 1ffff00003f38cd4 x12: 0000000000ff0100 [ 79.969147][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 79.970442][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 79.971860][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 79.973256][ T4737] x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.974627][ T4737] Call trace: [ 79.975199][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.976178][ T4737] ext4_xattr_block_set+0x524/0x267c [ 79.977048][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.978027][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 79.978973][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 79.979860][ T4737] ext4_dirty_inode+0xd0/0x100 [ 79.980622][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 79.981474][ T4737] iput+0x1b0/0x764 [ 79.982156][ T4737] dentry_unlink_inode+0x360/0x438 [ 79.983078][ T4737] __dentry_kill+0x320/0x598 [ 79.983860][ T4737] shrink_dentry_list+0x400/0x7b8 [ 79.984678][ T4737] shrink_dcache_parent+0xb4/0x364 [ 79.985533][ T4737] do_one_tree+0x2c/0xf0 [ 79.986233][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 79.987164][ T4737] generic_shutdown_super+0x68/0x2f0 [ 79.988112][ T4737] kill_block_super+0x70/0xdc [ 79.988925][ T4737] deactivate_locked_super+0xb8/0x134 [ 79.989777][ T4737] deactivate_super+0xf0/0x110 [ 79.990536][ T4737] cleanup_mnt+0x3b8/0x46c [ 79.991274][ T4737] __cleanup_mnt+0x20/0x30 [ 79.992048][ T4737] task_work_run+0x12c/0x1d8 [ 79.992832][ T4737] do_notify_resume+0x2450/0x309c [ 79.993699][ T4737] el0_svc+0xf0/0x1d0 [ 79.994346][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 79.995208][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 79.995942][ T4737] irq event stamp: 230606 [ 79.996622][ T4737] hardirqs last enabled at (230605): [] __schedule+0xef8/0x1bc4 [ 79.998161][ T4737] hardirqs last disabled at (230606): [] el1_dbg+0x24/0x80 [ 79.999607][ T4737] softirqs last enabled at (230600): [] handle_softirqs+0xa40/0xbe4 [ 80.001155][ T4737] softirqs last disabled at (230585): [] __irq_exit_rcu+0x240/0x43c [ 80.002710][ T4737] ---[ end trace 663eed04a85817ab ]--- 1970/01/01 00:01:19 executed programs: 31 [ 80.071008][ T5059] set_capacity_and_notify: 19 callbacks suppressed [ 80.071017][ T5059] loop0: detected capacity change from 0 to 1024 [ 80.163730][ T5059] 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. [ 80.172801][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.174799][ T4737] ------------[ cut here ]------------ [ 80.175712][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.177358][ T4737] Modules linked in: [ 80.178008][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.179568][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.181102][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.182427][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.183364][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.184392][ T4737] sp : ffff80001f9c6f80 [ 80.185059][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 80.186364][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 80.187805][ T4737] x23: ffff0000ee018c98 x22: ffff0000d9f69020 x21: ffff0000ee018cc0 [ 80.189242][ T4737] x20: ffff0000d6ab0068 x19: ffff0000d6ab0000 x18: 0000000000000002 [ 80.190613][ T4737] x17: 0000000040000000 x16: ffff80001125f020 x15: 0000000000000002 [ 80.191985][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 80.193274][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 80.194636][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 80.196097][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 80.197504][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.198859][ T4737] Call trace: [ 80.199391][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.200197][ T4737] ext4_xattr_block_set+0x524/0x267c [ 80.201018][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.201954][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 80.202896][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 80.203764][ T4737] ext4_dirty_inode+0xd0/0x100 [ 80.204467][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 80.205202][ T4737] iput+0x1b0/0x764 [ 80.205817][ T4737] dentry_unlink_inode+0x360/0x438 [ 80.206605][ T4737] __dentry_kill+0x320/0x598 [ 80.207344][ T4737] shrink_dentry_list+0x400/0x7b8 [ 80.208106][ T4737] shrink_dcache_parent+0xb4/0x364 [ 80.208908][ T4737] do_one_tree+0x2c/0xf0 [ 80.209516][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 80.210402][ T4737] generic_shutdown_super+0x68/0x2f0 [ 80.211286][ T4737] kill_block_super+0x70/0xdc [ 80.212107][ T4737] deactivate_locked_super+0xb8/0x134 [ 80.213074][ T4737] deactivate_super+0xf0/0x110 [ 80.213900][ T4737] cleanup_mnt+0x3b8/0x46c [ 80.214590][ T4737] __cleanup_mnt+0x20/0x30 [ 80.215324][ T4737] task_work_run+0x12c/0x1d8 [ 80.216072][ T4737] do_notify_resume+0x2450/0x309c [ 80.216906][ T4737] el0_svc+0xf0/0x1d0 [ 80.217496][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 80.218239][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 80.218996][ T4737] irq event stamp: 234386 [ 80.219698][ T4737] hardirqs last enabled at (234385): [] finish_lock_switch+0xb0/0x1c4 [ 80.221383][ T4737] hardirqs last disabled at (234386): [] el1_dbg+0x24/0x80 [ 80.222904][ T4737] softirqs last enabled at (234326): [] local_bh_enable+0x10/0x34 [ 80.224510][ T4737] softirqs last disabled at (234324): [] local_bh_disable+0x10/0x34 [ 80.226128][ T4737] ---[ end trace 663eed04a85817ac ]--- [ 80.272475][ T5063] loop0: detected capacity change from 0 to 1024 [ 80.291164][ T5063] 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. [ 80.299309][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.302343][ T4737] ------------[ cut here ]------------ [ 80.303172][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.304797][ T4737] Modules linked in: [ 80.305459][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.307009][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.308625][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.309925][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.310943][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.311941][ T4737] sp : ffff80001f9c6f80 [ 80.312675][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 80.314051][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 80.315437][ T4737] x23: ffff0000ee048c98 x22: ffff0000dc157820 x21: ffff0000ee048cc0 [ 80.316828][ T4737] x20: ffff0000d62b2068 x19: ffff0000d62b2000 x18: 1fffe000341f4796 [ 80.318158][ T4737] x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 [ 80.319562][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 80.320917][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 80.322306][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 80.323619][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 80.324976][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.326388][ T4737] Call trace: [ 80.326942][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.327871][ T4737] ext4_xattr_block_set+0x524/0x267c [ 80.328722][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.329620][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 80.330477][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 80.331318][ T4737] ext4_dirty_inode+0xd0/0x100 [ 80.332127][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 80.332916][ T4737] iput+0x1b0/0x764 [ 80.333589][ T4737] dentry_unlink_inode+0x360/0x438 [ 80.334386][ T4737] __dentry_kill+0x320/0x598 [ 80.335071][ T4737] shrink_dentry_list+0x400/0x7b8 [ 80.335883][ T4737] shrink_dcache_parent+0xb4/0x364 [ 80.336615][ T4737] do_one_tree+0x2c/0xf0 [ 80.337211][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 80.338006][ T4737] generic_shutdown_super+0x68/0x2f0 [ 80.338773][ T4737] kill_block_super+0x70/0xdc [ 80.339465][ T4737] deactivate_locked_super+0xb8/0x134 [ 80.340236][ T4737] deactivate_super+0xf0/0x110 [ 80.340977][ T4737] cleanup_mnt+0x3b8/0x46c [ 80.341689][ T4737] __cleanup_mnt+0x20/0x30 [ 80.342435][ T4737] task_work_run+0x12c/0x1d8 [ 80.343111][ T4737] do_notify_resume+0x2450/0x309c [ 80.343913][ T4737] el0_svc+0xf0/0x1d0 [ 80.344560][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 80.345287][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 80.345971][ T4737] irq event stamp: 238212 [ 80.346657][ T4737] hardirqs last enabled at (238211): [] finish_lock_switch+0xb0/0x1c4 [ 80.348187][ T4737] hardirqs last disabled at (238212): [] el1_dbg+0x24/0x80 [ 80.349574][ T4737] softirqs last enabled at (238206): [] handle_softirqs+0xa40/0xbe4 [ 80.350989][ T4737] softirqs last disabled at (238109): [] __irq_exit_rcu+0x240/0x43c [ 80.352474][ T4737] ---[ end trace 663eed04a85817ad ]--- [ 80.422016][ T5067] loop0: detected capacity change from 0 to 1024 [ 80.441400][ T5067] 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. [ 80.450483][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.452496][ T4737] ------------[ cut here ]------------ [ 80.453363][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.454890][ T4737] Modules linked in: [ 80.455534][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.456986][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.458564][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.459864][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.460798][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.461702][ T4737] sp : ffff80001f9c6f80 [ 80.462349][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 80.463575][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 80.464949][ T4737] x23: ffff0000ee01aa80 x22: ffff0000c827a820 x21: ffff0000ee01aaa8 [ 80.466157][ T4737] x20: ffff0000d7b9e068 x19: ffff0000d7b9e000 x18: 0000000000000001 [ 80.467417][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 80.468719][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 80.469942][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 80.471221][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.472596][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 80.473974][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.475328][ T4737] Call trace: [ 80.475849][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.476720][ T4737] ext4_xattr_block_set+0x524/0x267c [ 80.477633][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.478581][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 80.479503][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 80.480374][ T4737] ext4_dirty_inode+0xd0/0x100 [ 80.481156][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 80.482000][ T4737] iput+0x1b0/0x764 [ 80.482666][ T4737] dentry_unlink_inode+0x360/0x438 [ 80.483535][ T4737] __dentry_kill+0x320/0x598 [ 80.484313][ T4737] shrink_dentry_list+0x400/0x7b8 [ 80.485134][ T4737] shrink_dcache_parent+0xb4/0x364 [ 80.485944][ T4737] do_one_tree+0x2c/0xf0 [ 80.486687][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 80.487638][ T4737] generic_shutdown_super+0x68/0x2f0 [ 80.488529][ T4737] kill_block_super+0x70/0xdc [ 80.489296][ T4737] deactivate_locked_super+0xb8/0x134 [ 80.490146][ T4737] deactivate_super+0xf0/0x110 [ 80.490948][ T4737] cleanup_mnt+0x3b8/0x46c [ 80.491659][ T4737] __cleanup_mnt+0x20/0x30 [ 80.492364][ T4737] task_work_run+0x12c/0x1d8 [ 80.493107][ T4737] do_notify_resume+0x2450/0x309c [ 80.493930][ T4737] el0_svc+0xf0/0x1d0 [ 80.494569][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 80.495354][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 80.496068][ T4737] irq event stamp: 242332 [ 80.496765][ T4737] hardirqs last enabled at (242331): [] __up_console_sem+0xb4/0xfc [ 80.498352][ T4737] hardirqs last disabled at (242332): [] el1_dbg+0x24/0x80 [ 80.499797][ T4737] softirqs last enabled at (242264): [] local_bh_enable+0x10/0x34 [ 80.501344][ T4737] softirqs last disabled at (242262): [] local_bh_disable+0x10/0x34 [ 80.502923][ T4737] ---[ end trace 663eed04a85817ae ]--- [ 80.550488][ T5071] loop0: detected capacity change from 0 to 1024 [ 80.621428][ T5071] 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. [ 80.630918][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.632799][ T4737] ------------[ cut here ]------------ [ 80.633636][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.635185][ T4737] Modules linked in: [ 80.635794][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.637171][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.638735][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.639907][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.640772][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.641664][ T4737] sp : ffff80001f9c6f80 [ 80.642321][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 80.643636][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 80.644973][ T4737] x23: ffff0000ee04d260 x22: ffff0000cd1cc820 x21: ffff0000ee04d288 [ 80.646297][ T4737] x20: ffff0000d00ce068 x19: ffff0000d00ce000 x18: 0000000000000001 [ 80.647668][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 80.649025][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 80.650467][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 80.651676][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.652921][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 80.654189][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.655489][ T4737] Call trace: [ 80.655965][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.656835][ T4737] ext4_xattr_block_set+0x524/0x267c [ 80.657614][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.658472][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 80.659313][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 80.660163][ T4737] ext4_dirty_inode+0xd0/0x100 [ 80.660860][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 80.661645][ T4737] iput+0x1b0/0x764 [ 80.662238][ T4737] dentry_unlink_inode+0x360/0x438 [ 80.663021][ T4737] __dentry_kill+0x320/0x598 [ 80.663744][ T4737] shrink_dentry_list+0x400/0x7b8 [ 80.664545][ T4737] shrink_dcache_parent+0xb4/0x364 [ 80.665332][ T4737] do_one_tree+0x2c/0xf0 [ 80.666007][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 80.666856][ T4737] generic_shutdown_super+0x68/0x2f0 [ 80.667716][ T4737] kill_block_super+0x70/0xdc [ 80.668455][ T4737] deactivate_locked_super+0xb8/0x134 [ 80.669334][ T4737] deactivate_super+0xf0/0x110 [ 80.670097][ T4737] cleanup_mnt+0x3b8/0x46c [ 80.670773][ T4737] __cleanup_mnt+0x20/0x30 [ 80.671455][ T4737] task_work_run+0x12c/0x1d8 [ 80.672182][ T4737] do_notify_resume+0x2450/0x309c [ 80.672902][ T4737] el0_svc+0xf0/0x1d0 [ 80.673537][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 80.674353][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 80.675075][ T4737] irq event stamp: 246864 [ 80.675857][ T4737] hardirqs last enabled at (246863): [] __up_console_sem+0xb4/0xfc [ 80.677389][ T4737] hardirqs last disabled at (246864): [] el1_dbg+0x24/0x80 [ 80.678748][ T4737] softirqs last enabled at (246802): [] local_bh_enable+0x10/0x34 [ 80.679998][ T4737] softirqs last disabled at (246800): [] local_bh_disable+0x10/0x34 [ 80.681414][ T4737] ---[ end trace 663eed04a85817af ]--- [ 80.720481][ T5075] loop0: detected capacity change from 0 to 1024 [ 80.762319][ T5075] 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. [ 80.771256][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.773348][ T4737] ------------[ cut here ]------------ [ 80.774147][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.775697][ T4737] Modules linked in: [ 80.776290][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.777703][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.779278][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.780524][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.781483][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.782448][ T4737] sp : ffff80001f9c6f80 [ 80.783166][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 80.784552][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 80.785910][ T4737] x23: ffff0000e2320c98 x22: ffff0000d59b5820 x21: ffff0000e2320cc0 [ 80.787312][ T4737] x20: ffff0000d8174068 x19: ffff0000d8174000 x18: 1fffe000341f4796 [ 80.788678][ T4737] x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 [ 80.790032][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 80.791408][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 80.792738][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 80.794016][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 80.795344][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.796756][ T4737] Call trace: [ 80.797297][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.798211][ T4737] ext4_xattr_block_set+0x524/0x267c [ 80.799032][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.799954][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 80.800872][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 80.801720][ T4737] ext4_dirty_inode+0xd0/0x100 [ 80.802482][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 80.803267][ T4737] iput+0x1b0/0x764 [ 80.803884][ T4737] dentry_unlink_inode+0x360/0x438 [ 80.804639][ T4737] __dentry_kill+0x320/0x598 [ 80.805408][ T4737] shrink_dentry_list+0x400/0x7b8 [ 80.806280][ T4737] shrink_dcache_parent+0xb4/0x364 [ 80.807118][ T4737] do_one_tree+0x2c/0xf0 [ 80.807814][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 80.808788][ T4737] generic_shutdown_super+0x68/0x2f0 [ 80.809808][ T4737] kill_block_super+0x70/0xdc [ 80.810637][ T4737] deactivate_locked_super+0xb8/0x134 [ 80.811562][ T4737] deactivate_super+0xf0/0x110 [ 80.812315][ T4737] cleanup_mnt+0x3b8/0x46c [ 80.812984][ T4737] __cleanup_mnt+0x20/0x30 [ 80.813637][ T4737] task_work_run+0x12c/0x1d8 [ 80.814375][ T4737] do_notify_resume+0x2450/0x309c [ 80.815149][ T4737] el0_svc+0xf0/0x1d0 [ 80.815718][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 80.816531][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 80.817248][ T4737] irq event stamp: 250572 [ 80.817945][ T4737] hardirqs last enabled at (250571): [] finish_lock_switch+0xb0/0x1c4 [ 80.819433][ T4737] hardirqs last disabled at (250572): [] el1_dbg+0x24/0x80 [ 80.820892][ T4737] softirqs last enabled at (250528): [] handle_softirqs+0xa40/0xbe4 [ 80.822506][ T4737] softirqs last disabled at (250517): [] __irq_exit_rcu+0x240/0x43c [ 80.824080][ T4737] ---[ end trace 663eed04a85817b0 ]--- [ 80.910354][ T5080] loop0: detected capacity change from 0 to 1024 [ 80.921873][ T5080] 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. [ 80.931002][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.932857][ T4737] ------------[ cut here ]------------ [ 80.933831][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.935544][ T4737] Modules linked in: [ 80.936161][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.937656][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.939326][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.940466][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.941348][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.942213][ T4737] sp : ffff80001f9c6f80 [ 80.942880][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 80.944326][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 80.945725][ T4737] x23: ffff0000e2323e70 x22: ffff0000d8dfb820 x21: ffff0000e2323e98 [ 80.947143][ T4737] x20: ffff0000cce1a068 x19: ffff0000cce1a000 x18: 0000000000000001 [ 80.948438][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 80.949787][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 80.951049][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 80.952393][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.953720][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 80.954952][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.956231][ T4737] Call trace: [ 80.956786][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.957710][ T4737] ext4_xattr_block_set+0x524/0x267c [ 80.958680][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.959654][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 80.960574][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 80.961430][ T4737] ext4_dirty_inode+0xd0/0x100 [ 80.962147][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 80.962910][ T4737] iput+0x1b0/0x764 [ 80.963494][ T4737] dentry_unlink_inode+0x360/0x438 [ 80.964271][ T4737] __dentry_kill+0x320/0x598 [ 80.964970][ T4737] shrink_dentry_list+0x400/0x7b8 [ 80.965774][ T4737] shrink_dcache_parent+0xb4/0x364 [ 80.966574][ T4737] do_one_tree+0x2c/0xf0 [ 80.967297][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 80.968159][ T4737] generic_shutdown_super+0x68/0x2f0 [ 80.969010][ T4737] kill_block_super+0x70/0xdc [ 80.969770][ T4737] deactivate_locked_super+0xb8/0x134 [ 80.970639][ T4737] deactivate_super+0xf0/0x110 [ 80.971412][ T4737] cleanup_mnt+0x3b8/0x46c [ 80.972119][ T4737] __cleanup_mnt+0x20/0x30 [ 80.972834][ T4737] task_work_run+0x12c/0x1d8 [ 80.973567][ T4737] do_notify_resume+0x2450/0x309c [ 80.974373][ T4737] el0_svc+0xf0/0x1d0 [ 80.974980][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 80.975810][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 80.976590][ T4737] irq event stamp: 254342 [ 80.977386][ T4737] hardirqs last enabled at (254341): [] __up_console_sem+0xb4/0xfc [ 80.979035][ T4737] hardirqs last disabled at (254342): [] el1_dbg+0x24/0x80 [ 80.980450][ T4737] softirqs last enabled at (254270): [] local_bh_enable+0x10/0x34 [ 80.981994][ T4737] softirqs last disabled at (254268): [] local_bh_disable+0x10/0x34 [ 80.983428][ T4737] ---[ end trace 663eed04a85817b1 ]--- [ 81.032166][ T5084] loop0: detected capacity change from 0 to 1024 [ 81.041012][ T5084] 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. [ 81.049366][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.052266][ T4737] ------------[ cut here ]------------ [ 81.053136][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.054795][ T4737] Modules linked in: [ 81.055507][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.057041][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.058562][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.059878][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.060760][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.061710][ T4737] sp : ffff80001f9c6f80 [ 81.062476][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 81.063823][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 81.065176][ T4737] x23: ffff0000e2327048 x22: ffff0000cb463820 x21: ffff0000e2327070 [ 81.066560][ T4737] x20: ffff0000d8110068 x19: ffff0000d8110000 x18: 1fffe000341f4796 [ 81.067968][ T4737] x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 [ 81.069233][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 81.070478][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 81.071800][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 81.073077][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 81.074411][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.075730][ T4737] Call trace: [ 81.076288][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.077175][ T4737] ext4_xattr_block_set+0x524/0x267c [ 81.078023][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.078916][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 81.079808][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 81.080726][ T4737] ext4_dirty_inode+0xd0/0x100 [ 81.081464][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 81.082265][ T4737] iput+0x1b0/0x764 [ 81.082835][ T4737] dentry_unlink_inode+0x360/0x438 [ 81.083635][ T4737] __dentry_kill+0x320/0x598 [ 81.084351][ T4737] shrink_dentry_list+0x400/0x7b8 [ 81.085149][ T4737] shrink_dcache_parent+0xb4/0x364 [ 81.085988][ T4737] do_one_tree+0x2c/0xf0 [ 81.086698][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 81.087593][ T4737] generic_shutdown_super+0x68/0x2f0 [ 81.088384][ T4737] kill_block_super+0x70/0xdc [ 81.089156][ T4737] deactivate_locked_super+0xb8/0x134 [ 81.090034][ T4737] deactivate_super+0xf0/0x110 [ 81.090856][ T4737] cleanup_mnt+0x3b8/0x46c [ 81.091685][ T4737] __cleanup_mnt+0x20/0x30 [ 81.092445][ T4737] task_work_run+0x12c/0x1d8 [ 81.093253][ T4737] do_notify_resume+0x2450/0x309c [ 81.094146][ T4737] el0_svc+0xf0/0x1d0 [ 81.094844][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 81.095697][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 81.096485][ T4737] irq event stamp: 258386 [ 81.097211][ T4737] hardirqs last enabled at (258385): [] finish_lock_switch+0xb0/0x1c4 [ 81.098754][ T4737] hardirqs last disabled at (258386): [] el1_dbg+0x24/0x80 [ 81.100233][ T4737] softirqs last enabled at (258378): [] handle_softirqs+0xa40/0xbe4 [ 81.101825][ T4737] softirqs last disabled at (258359): [] __irq_exit_rcu+0x240/0x43c [ 81.103533][ T4737] ---[ end trace 663eed04a85817b2 ]--- [ 81.161172][ T5088] loop0: detected capacity change from 0 to 1024 [ 81.231770][ T5088] 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. [ 81.239934][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.241876][ T4737] ------------[ cut here ]------------ [ 81.242761][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.244285][ T4737] Modules linked in: [ 81.244898][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.246299][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.247839][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.249011][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.249953][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.250843][ T4737] sp : ffff80001f9c6f80 [ 81.251516][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 81.252958][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 81.254361][ T4737] x23: ffff0000e232aa80 x22: ffff0000d97ff820 x21: ffff0000e232aaa8 [ 81.255735][ T4737] x20: ffff0000d7c3a068 x19: ffff0000d7c3a000 x18: 0000000000000001 [ 81.257093][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 81.258430][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 81.259833][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 81.261176][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 81.262488][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 81.263732][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.264976][ T4737] Call trace: [ 81.265491][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.266386][ T4737] ext4_xattr_block_set+0x524/0x267c [ 81.267177][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.268093][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 81.269065][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 81.269883][ T4737] ext4_dirty_inode+0xd0/0x100 [ 81.270615][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 81.271377][ T4737] iput+0x1b0/0x764 [ 81.271980][ T4737] dentry_unlink_inode+0x360/0x438 [ 81.272840][ T4737] __dentry_kill+0x320/0x598 [ 81.273531][ T4737] shrink_dentry_list+0x400/0x7b8 [ 81.274303][ T4737] shrink_dcache_parent+0xb4/0x364 [ 81.275081][ T4737] do_one_tree+0x2c/0xf0 [ 81.275670][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 81.276454][ T4737] generic_shutdown_super+0x68/0x2f0 [ 81.277284][ T4737] kill_block_super+0x70/0xdc [ 81.278005][ T4737] deactivate_locked_super+0xb8/0x134 [ 81.278857][ T4737] deactivate_super+0xf0/0x110 [ 81.279678][ T4737] cleanup_mnt+0x3b8/0x46c [ 81.280456][ T4737] __cleanup_mnt+0x20/0x30 [ 81.281189][ T4737] task_work_run+0x12c/0x1d8 [ 81.281945][ T4737] do_notify_resume+0x2450/0x309c [ 81.282740][ T4737] el0_svc+0xf0/0x1d0 [ 81.283352][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 81.284145][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 81.284891][ T4737] irq event stamp: 262282 [ 81.285595][ T4737] hardirqs last enabled at (262281): [] __schedule+0xef8/0x1bc4 [ 81.287232][ T4737] hardirqs last disabled at (262282): [] el1_dbg+0x24/0x80 [ 81.288745][ T4737] softirqs last enabled at (262216): [] handle_softirqs+0xa40/0xbe4 [ 81.290451][ T4737] softirqs last disabled at (262185): [] __irq_exit_rcu+0x240/0x43c [ 81.292090][ T4737] ---[ end trace 663eed04a85817b3 ]--- [ 81.351006][ T5092] loop0: detected capacity change from 0 to 1024 [ 81.371422][ T5092] 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. [ 81.383441][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.385342][ T4737] ------------[ cut here ]------------ [ 81.386204][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.387763][ T4737] Modules linked in: [ 81.388466][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.389979][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.391659][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.392768][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.393834][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.394852][ T4737] sp : ffff80001f9c6f80 [ 81.395612][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 81.397020][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 81.398397][ T4737] x23: ffff0000ee01c868 x22: ffff0000cae97820 x21: ffff0000ee01c890 [ 81.399816][ T4737] x20: ffff0000eddf6068 x19: ffff0000eddf6000 x18: 0000000000000001 [ 81.401048][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 81.402482][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 81.403909][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 81.405277][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.406512][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 81.407770][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.408996][ T4737] Call trace: [ 81.409523][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.410385][ T4737] ext4_xattr_block_set+0x524/0x267c [ 81.411194][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.412086][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 81.412973][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 81.413830][ T4737] ext4_dirty_inode+0xd0/0x100 [ 81.414610][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 81.415398][ T4737] iput+0x1b0/0x764 [ 81.416020][ T4737] dentry_unlink_inode+0x360/0x438 [ 81.416827][ T4737] __dentry_kill+0x320/0x598 [ 81.417546][ T4737] shrink_dentry_list+0x400/0x7b8 [ 81.418337][ T4737] shrink_dcache_parent+0xb4/0x364 [ 81.419104][ T4737] do_one_tree+0x2c/0xf0 [ 81.419714][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 81.420533][ T4737] generic_shutdown_super+0x68/0x2f0 [ 81.421306][ T4737] kill_block_super+0x70/0xdc [ 81.422032][ T4737] deactivate_locked_super+0xb8/0x134 [ 81.422824][ T4737] deactivate_super+0xf0/0x110 [ 81.423549][ T4737] cleanup_mnt+0x3b8/0x46c [ 81.424204][ T4737] __cleanup_mnt+0x20/0x30 [ 81.424923][ T4737] task_work_run+0x12c/0x1d8 [ 81.425712][ T4737] do_notify_resume+0x2450/0x309c [ 81.426570][ T4737] el0_svc+0xf0/0x1d0 [ 81.427272][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 81.428048][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 81.428841][ T4737] irq event stamp: 266100 [ 81.429580][ T4737] hardirqs last enabled at (266099): [] __up_console_sem+0xb4/0xfc [ 81.431154][ T4737] hardirqs last disabled at (266100): [] el1_dbg+0x24/0x80 [ 81.432543][ T4737] softirqs last enabled at (266026): [] local_bh_enable+0x10/0x34 [ 81.434019][ T4737] softirqs last disabled at (266024): [] local_bh_disable+0x10/0x34 [ 81.435494][ T4737] ---[ end trace 663eed04a85817b4 ]--- [ 81.501099][ T5096] loop0: detected capacity change from 0 to 1024 [ 81.560828][ T5096] 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. [ 81.568613][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.570716][ T4737] ------------[ cut here ]------------ [ 81.571610][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.573182][ T4737] Modules linked in: [ 81.573787][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.575259][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.576894][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.578214][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.579159][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.580197][ T4737] sp : ffff80001f9c6f80 [ 81.580877][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 81.582257][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 81.583648][ T4737] x23: ffff0000e232f048 x22: ffff0000dc0ea020 x21: ffff0000e232f070 [ 81.585071][ T4737] x20: ffff0000edca6068 x19: ffff0000edca6000 x18: 0000000000000001 [ 81.586413][ T4737] x17: 0000000000000000 x16: ffff8000082c2ce4 x15: 00000000ffffffff [ 81.587814][ T4737] x14: 0000000000000003 x13: 1ffff00003f38cd4 x12: 0000000000ff0100 [ 81.589155][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 81.590482][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 81.591809][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 81.593237][ T4737] x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.594588][ T4737] Call trace: [ 81.595139][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.596036][ T4737] ext4_xattr_block_set+0x524/0x267c [ 81.596995][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.597997][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 81.599015][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 81.599958][ T4737] ext4_dirty_inode+0xd0/0x100 [ 81.600778][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 81.601623][ T4737] iput+0x1b0/0x764 [ 81.602283][ T4737] dentry_unlink_inode+0x360/0x438 [ 81.603133][ T4737] __dentry_kill+0x320/0x598 [ 81.603875][ T4737] shrink_dentry_list+0x400/0x7b8 [ 81.604738][ T4737] shrink_dcache_parent+0xb4/0x364 [ 81.605598][ T4737] do_one_tree+0x2c/0xf0 [ 81.606286][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 81.607190][ T4737] generic_shutdown_super+0x68/0x2f0 [ 81.608083][ T4737] kill_block_super+0x70/0xdc [ 81.608826][ T4737] deactivate_locked_super+0xb8/0x134 [ 81.609634][ T4737] deactivate_super+0xf0/0x110 [ 81.610428][ T4737] cleanup_mnt+0x3b8/0x46c [ 81.611104][ T4737] __cleanup_mnt+0x20/0x30 [ 81.611776][ T4737] task_work_run+0x12c/0x1d8 [ 81.612532][ T4737] do_notify_resume+0x2450/0x309c [ 81.613375][ T4737] el0_svc+0xf0/0x1d0 [ 81.614028][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 81.614902][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 81.615689][ T4737] irq event stamp: 269974 [ 81.616444][ T4737] hardirqs last enabled at (269973): [] __schedule+0xef8/0x1bc4 [ 81.618094][ T4737] hardirqs last disabled at (269974): [] el1_dbg+0x24/0x80 [ 81.619522][ T4737] softirqs last enabled at (269968): [] handle_softirqs+0xa40/0xbe4 [ 81.621107][ T4737] softirqs last disabled at (269951): [] __irq_exit_rcu+0x240/0x43c [ 81.622714][ T4737] ---[ end trace 663eed04a85817b5 ]--- [ 81.751244][ T5100] 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. [ 81.763078][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.765117][ T4737] ------------[ cut here ]------------ [ 81.766076][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.767707][ T4737] Modules linked in: [ 81.768279][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.769699][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.771409][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.772669][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.773656][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.774565][ T4737] sp : ffff80001f9c6f80 [ 81.775239][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 81.776668][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 81.778269][ T4737] x23: ffff0000ee01f048 x22: ffff0000ce8ee020 x21: ffff0000ee01f070 [ 81.779684][ T4737] x20: ffff0000e8acc068 x19: ffff0000e8acc000 x18: 0000000000000001 [ 81.781100][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 81.782476][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 81.783790][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 81.785171][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.786573][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 81.787987][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.789377][ T4737] Call trace: [ 81.789876][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.790724][ T4737] ext4_xattr_block_set+0x524/0x267c [ 81.791627][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.792590][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 81.793464][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 81.794259][ T4737] ext4_dirty_inode+0xd0/0x100 [ 81.794982][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 81.795850][ T4737] iput+0x1b0/0x764 [ 81.796484][ T4737] dentry_unlink_inode+0x360/0x438 [ 81.797413][ T4737] __dentry_kill+0x320/0x598 [ 81.798178][ T4737] shrink_dentry_list+0x400/0x7b8 [ 81.799117][ T4737] shrink_dcache_parent+0xb4/0x364 [ 81.800029][ T4737] do_one_tree+0x2c/0xf0 [ 81.800789][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 81.801768][ T4737] generic_shutdown_super+0x68/0x2f0 [ 81.802685][ T4737] kill_block_super+0x70/0xdc [ 81.803468][ T4737] deactivate_locked_super+0xb8/0x134 [ 81.804370][ T4737] deactivate_super+0xf0/0x110 [ 81.805141][ T4737] cleanup_mnt+0x3b8/0x46c [ 81.805920][ T4737] __cleanup_mnt+0x20/0x30 [ 81.806610][ T4737] task_work_run+0x12c/0x1d8 [ 81.807454][ T4737] do_notify_resume+0x2450/0x309c [ 81.808281][ T4737] el0_svc+0xf0/0x1d0 [ 81.808922][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 81.809777][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 81.810535][ T4737] irq event stamp: 274092 [ 81.811319][ T4737] hardirqs last enabled at (274091): [] __up_console_sem+0xb4/0xfc [ 81.812989][ T4737] hardirqs last disabled at (274092): [] el1_dbg+0x24/0x80 [ 81.814348][ T4737] softirqs last enabled at (274032): [] local_bh_enable+0x10/0x34 [ 81.815957][ T4737] softirqs last disabled at (274030): [] local_bh_disable+0x10/0x34 [ 81.817560][ T4737] ---[ end trace 663eed04a85817b6 ]--- [ 81.961907][ T5104] 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. [ 81.970120][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.972164][ T4737] ------------[ cut here ]------------ [ 81.973006][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.974552][ T4737] Modules linked in: [ 81.975210][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.976659][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.978215][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.979580][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.980537][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.981504][ T4737] sp : ffff80001f9c6f80 [ 81.982138][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 81.983500][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 81.984865][ T4737] x23: ffff0000de411690 x22: ffff0000ed8ff820 x21: ffff0000de4116b8 [ 81.986342][ T4737] x20: ffff0000e88d6068 x19: ffff0000e88d6000 x18: 0000000000000001 [ 81.987736][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 81.989035][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 81.990410][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 81.991695][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.993049][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 81.994406][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.995751][ T4737] Call trace: [ 81.996317][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.997175][ T4737] ext4_xattr_block_set+0x524/0x267c [ 81.998012][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.998942][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 81.999843][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 82.000765][ T4737] ext4_dirty_inode+0xd0/0x100 [ 82.001527][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 82.002323][ T4737] iput+0x1b0/0x764 [ 82.002939][ T4737] dentry_unlink_inode+0x360/0x438 [ 82.003758][ T4737] __dentry_kill+0x320/0x598 [ 82.004528][ T4737] shrink_dentry_list+0x400/0x7b8 [ 82.005406][ T4737] shrink_dcache_parent+0xb4/0x364 [ 82.006229][ T4737] do_one_tree+0x2c/0xf0 [ 82.006876][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 82.007722][ T4737] generic_shutdown_super+0x68/0x2f0 [ 82.008527][ T4737] kill_block_super+0x70/0xdc [ 82.009244][ T4737] deactivate_locked_super+0xb8/0x134 [ 82.010057][ T4737] deactivate_super+0xf0/0x110 [ 82.010834][ T4737] cleanup_mnt+0x3b8/0x46c [ 82.011526][ T4737] __cleanup_mnt+0x20/0x30 [ 82.012232][ T4737] task_work_run+0x12c/0x1d8 [ 82.012963][ T4737] do_notify_resume+0x2450/0x309c [ 82.013794][ T4737] el0_svc+0xf0/0x1d0 [ 82.014392][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 82.015211][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 82.015976][ T4737] irq event stamp: 277684 [ 82.016723][ T4737] hardirqs last enabled at (277683): [] __up_console_sem+0xb4/0xfc [ 82.018309][ T4737] hardirqs last disabled at (277684): [] el1_dbg+0x24/0x80 [ 82.019746][ T4737] softirqs last enabled at (277634): [] local_bh_enable+0x10/0x34 [ 82.021322][ T4737] softirqs last disabled at (277632): [] local_bh_disable+0x10/0x34 [ 82.022997][ T4737] ---[ end trace 663eed04a85817b7 ]--- [ 82.170951][ T5108] 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. [ 82.178794][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.180947][ T4737] ------------[ cut here ]------------ [ 82.181848][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.183479][ T4737] Modules linked in: [ 82.184093][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.185516][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.187160][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.188483][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.189422][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.190275][ T4737] sp : ffff80001f9c6f80 [ 82.190917][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 82.192182][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 82.193553][ T4737] x23: ffff0000de414868 x22: ffff0000d3e4b820 x21: ffff0000de414890 [ 82.194840][ T4737] x20: ffff0000d82ca068 x19: ffff0000d82ca000 x18: 1fffe000341f0596 [ 82.196181][ T4737] x17: 1fffe000341f0596 x16: ffff8000082c2ce4 x15: ffff80001433ed40 [ 82.197532][ T4737] x14: 0000000000000001 x13: 1fffe00019b028aa x12: 0000000000ff0100 [ 82.198805][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 82.200217][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.201520][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000823799c [ 82.202948][ T4737] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.204292][ T4737] Call trace: [ 82.204807][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.205700][ T4737] ext4_xattr_block_set+0x524/0x267c [ 82.206556][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.207431][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 82.208300][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 82.209141][ T4737] ext4_dirty_inode+0xd0/0x100 [ 82.209891][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 82.210619][ T4737] iput+0x1b0/0x764 [ 82.211234][ T4737] dentry_unlink_inode+0x360/0x438 [ 82.212060][ T4737] __dentry_kill+0x320/0x598 [ 82.212719][ T4737] shrink_dentry_list+0x400/0x7b8 [ 82.213499][ T4737] shrink_dcache_parent+0xb4/0x364 [ 82.214334][ T4737] do_one_tree+0x2c/0xf0 [ 82.214991][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 82.215845][ T4737] generic_shutdown_super+0x68/0x2f0 [ 82.216695][ T4737] kill_block_super+0x70/0xdc [ 82.217440][ T4737] deactivate_locked_super+0xb8/0x134 [ 82.218249][ T4737] deactivate_super+0xf0/0x110 [ 82.218989][ T4737] cleanup_mnt+0x3b8/0x46c [ 82.219653][ T4737] __cleanup_mnt+0x20/0x30 [ 82.220279][ T4737] task_work_run+0x12c/0x1d8 [ 82.220974][ T4737] do_notify_resume+0x2450/0x309c [ 82.221750][ T4737] el0_svc+0xf0/0x1d0 [ 82.222342][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 82.223079][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 82.223770][ T4737] irq event stamp: 281820 [ 82.224474][ T4737] hardirqs last enabled at (281819): [] finish_lock_switch+0xb0/0x1c4 [ 82.226114][ T4737] hardirqs last disabled at (281820): [] el1_dbg+0x24/0x80 [ 82.227444][ T4737] softirqs last enabled at (281814): [] handle_softirqs+0xa40/0xbe4 [ 82.228887][ T4737] softirqs last disabled at (281793): [] __irq_exit_rcu+0x240/0x43c [ 82.230410][ T4737] ---[ end trace 663eed04a85817b8 ]--- [ 82.351011][ T5112] 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. [ 82.364374][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.366208][ T4737] ------------[ cut here ]------------ [ 82.367000][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.368442][ T4737] Modules linked in: [ 82.369056][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.370497][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.372050][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.373333][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.374270][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.375244][ T4737] sp : ffff80001f9c6f80 [ 82.375954][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 82.377241][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 82.378545][ T4737] x23: ffff0000e2388c98 x22: ffff0000edf98820 x21: ffff0000e2388cc0 [ 82.379909][ T4737] x20: ffff0000c90d8068 x19: ffff0000c90d8000 x18: 0000000000000001 [ 82.381319][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 82.382656][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 82.383964][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 82.385222][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.386555][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 82.387911][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.389315][ T4737] Call trace: [ 82.389889][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.390764][ T4737] ext4_xattr_block_set+0x524/0x267c [ 82.391681][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.392593][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 82.393534][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 82.394396][ T4737] ext4_dirty_inode+0xd0/0x100 [ 82.395140][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 82.395973][ T4737] iput+0x1b0/0x764 [ 82.396643][ T4737] dentry_unlink_inode+0x360/0x438 [ 82.397462][ T4737] __dentry_kill+0x320/0x598 [ 82.398244][ T4737] shrink_dentry_list+0x400/0x7b8 [ 82.399111][ T4737] shrink_dcache_parent+0xb4/0x364 [ 82.399961][ T4737] do_one_tree+0x2c/0xf0 [ 82.400693][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 82.401594][ T4737] generic_shutdown_super+0x68/0x2f0 [ 82.402427][ T4737] kill_block_super+0x70/0xdc [ 82.403155][ T4737] deactivate_locked_super+0xb8/0x134 [ 82.404076][ T4737] deactivate_super+0xf0/0x110 [ 82.404881][ T4737] cleanup_mnt+0x3b8/0x46c [ 82.405599][ T4737] __cleanup_mnt+0x20/0x30 [ 82.406362][ T4737] task_work_run+0x12c/0x1d8 [ 82.407115][ T4737] do_notify_resume+0x2450/0x309c [ 82.407907][ T4737] el0_svc+0xf0/0x1d0 [ 82.408556][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 82.409402][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 82.410088][ T4737] irq event stamp: 285646 [ 82.410806][ T4737] hardirqs last enabled at (285645): [] __up_console_sem+0xb4/0xfc [ 82.412406][ T4737] hardirqs last disabled at (285646): [] el1_dbg+0x24/0x80 [ 82.413780][ T4737] softirqs last enabled at (285572): [] local_bh_enable+0x10/0x34 [ 82.415351][ T4737] softirqs last disabled at (285570): [] local_bh_disable+0x10/0x34 [ 82.416931][ T4737] ---[ end trace 663eed04a85817b9 ]--- [ 82.531111][ T5116] 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. [ 82.550231][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.552286][ T4737] ------------[ cut here ]------------ [ 82.553170][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.554859][ T4737] Modules linked in: [ 82.555552][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.557043][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.558712][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.560130][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.561098][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.562098][ T4737] sp : ffff80001f9c6f80 [ 82.562796][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 82.564155][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 82.565496][ T4737] x23: ffff0000e20c3478 x22: ffff0000d66aa820 x21: ffff0000e20c34a0 [ 82.566744][ T4737] x20: ffff0000d73ae068 x19: ffff0000d73ae000 x18: 0000000000000001 [ 82.568086][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 82.569453][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 82.570760][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 82.572130][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.573483][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 82.574801][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.576093][ T4737] Call trace: [ 82.576636][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.577533][ T4737] ext4_xattr_block_set+0x524/0x267c [ 82.578366][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.579341][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 82.580240][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 82.581074][ T4737] ext4_dirty_inode+0xd0/0x100 [ 82.581892][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 82.582773][ T4737] iput+0x1b0/0x764 [ 82.583438][ T4737] dentry_unlink_inode+0x360/0x438 [ 82.584317][ T4737] __dentry_kill+0x320/0x598 [ 82.585098][ T4737] shrink_dentry_list+0x400/0x7b8 [ 82.585956][ T4737] shrink_dcache_parent+0xb4/0x364 [ 82.586844][ T4737] do_one_tree+0x2c/0xf0 [ 82.587525][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 82.588482][ T4737] generic_shutdown_super+0x68/0x2f0 [ 82.589406][ T4737] kill_block_super+0x70/0xdc [ 82.590228][ T4737] deactivate_locked_super+0xb8/0x134 [ 82.591154][ T4737] deactivate_super+0xf0/0x110 [ 82.591873][ T4737] cleanup_mnt+0x3b8/0x46c [ 82.592540][ T4737] __cleanup_mnt+0x20/0x30 [ 82.593276][ T4737] task_work_run+0x12c/0x1d8 [ 82.593988][ T4737] do_notify_resume+0x2450/0x309c [ 82.594807][ T4737] el0_svc+0xf0/0x1d0 [ 82.595447][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 82.596303][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 82.597046][ T4737] irq event stamp: 289746 [ 82.597818][ T4737] hardirqs last enabled at (289745): [] __up_console_sem+0xb4/0xfc [ 82.599536][ T4737] hardirqs last disabled at (289746): [] el1_dbg+0x24/0x80 [ 82.601002][ T4737] softirqs last enabled at (289704): [] handle_softirqs+0xa40/0xbe4 [ 82.602492][ T4737] softirqs last disabled at (289687): [] __irq_exit_rcu+0x240/0x43c [ 82.604088][ T4737] ---[ end trace 663eed04a85817ba ]--- [ 82.721037][ T5120] 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. [ 82.728526][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.730720][ T4737] ------------[ cut here ]------------ [ 82.731615][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.733259][ T4737] Modules linked in: [ 82.733945][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.735410][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.736955][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.738116][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.739007][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.739884][ T4737] sp : ffff80001f9c6f80 [ 82.740526][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 82.741785][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 82.743030][ T4737] x23: ffff0000e238b478 x22: ffff0000d48de820 x21: ffff0000e238b4a0 [ 82.744479][ T4737] x20: ffff0000d7c00068 x19: ffff0000d7c00000 x18: 0000000000000002 [ 82.745866][ T4737] x17: 0000000040000000 x16: ffff80001125f020 x15: 0000000000000002 [ 82.747247][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 82.748553][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 82.749896][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.751219][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 82.752611][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.753975][ T4737] Call trace: [ 82.754538][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.755431][ T4737] ext4_xattr_block_set+0x524/0x267c [ 82.756341][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.757303][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 82.758256][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 82.759190][ T4737] ext4_dirty_inode+0xd0/0x100 [ 82.759983][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 82.760880][ T4737] iput+0x1b0/0x764 [ 82.761537][ T4737] dentry_unlink_inode+0x360/0x438 [ 82.762376][ T4737] __dentry_kill+0x320/0x598 [ 82.763135][ T4737] shrink_dentry_list+0x400/0x7b8 [ 82.763984][ T4737] shrink_dcache_parent+0xb4/0x364 [ 82.764800][ T4737] do_one_tree+0x2c/0xf0 [ 82.765490][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 82.766432][ T4737] generic_shutdown_super+0x68/0x2f0 [ 82.767292][ T4737] kill_block_super+0x70/0xdc [ 82.768014][ T4737] deactivate_locked_super+0xb8/0x134 [ 82.768850][ T4737] deactivate_super+0xf0/0x110 [ 82.769618][ T4737] cleanup_mnt+0x3b8/0x46c [ 82.770318][ T4737] __cleanup_mnt+0x20/0x30 [ 82.771031][ T4737] task_work_run+0x12c/0x1d8 [ 82.771726][ T4737] do_notify_resume+0x2450/0x309c [ 82.772660][ T4737] el0_svc+0xf0/0x1d0 [ 82.773281][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 82.774158][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 82.774883][ T4737] irq event stamp: 293614 [ 82.775593][ T4737] hardirqs last enabled at (293613): [] finish_lock_switch+0xb0/0x1c4 [ 82.777156][ T4737] hardirqs last disabled at (293614): [] el1_dbg+0x24/0x80 [ 82.778653][ T4737] softirqs last enabled at (293608): [] handle_softirqs+0xa40/0xbe4 [ 82.780464][ T4737] softirqs last disabled at (293597): [] __irq_exit_rcu+0x240/0x43c [ 82.782039][ T4737] ---[ end trace 663eed04a85817bb ]--- [ 82.900683][ T5124] 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. [ 82.908990][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.911732][ T4737] ------------[ cut here ]------------ [ 82.912578][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.914242][ T4737] Modules linked in: [ 82.914889][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.916377][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.917960][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.919255][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.920136][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.921093][ T4737] sp : ffff80001f9c6f80 [ 82.921817][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 82.923136][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 82.924461][ T4737] x23: ffff0000e20c6650 x22: ffff0000dc030820 x21: ffff0000e20c6678 [ 82.925770][ T4737] x20: ffff0000d5744068 x19: ffff0000d5744000 x18: 1fffe000341f4796 [ 82.926974][ T4737] x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 [ 82.928322][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 82.929652][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 82.931053][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.932418][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 82.933818][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.935143][ T4737] Call trace: [ 82.935695][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.936582][ T4737] ext4_xattr_block_set+0x524/0x267c [ 82.937549][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.938517][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 82.939427][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 82.940304][ T4737] ext4_dirty_inode+0xd0/0x100 [ 82.941096][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 82.941874][ T4737] iput+0x1b0/0x764 [ 82.942437][ T4737] dentry_unlink_inode+0x360/0x438 [ 82.943268][ T4737] __dentry_kill+0x320/0x598 [ 82.943995][ T4737] shrink_dentry_list+0x400/0x7b8 [ 82.944751][ T4737] shrink_dcache_parent+0xb4/0x364 [ 82.945628][ T4737] do_one_tree+0x2c/0xf0 [ 82.946390][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 82.947278][ T4737] generic_shutdown_super+0x68/0x2f0 [ 82.948142][ T4737] kill_block_super+0x70/0xdc [ 82.948842][ T4737] deactivate_locked_super+0xb8/0x134 [ 82.949666][ T4737] deactivate_super+0xf0/0x110 [ 82.950453][ T4737] cleanup_mnt+0x3b8/0x46c [ 82.951180][ T4737] __cleanup_mnt+0x20/0x30 [ 82.951944][ T4737] task_work_run+0x12c/0x1d8 [ 82.952696][ T4737] do_notify_resume+0x2450/0x309c [ 82.953490][ T4737] el0_svc+0xf0/0x1d0 [ 82.954084][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 82.954877][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 82.955698][ T4737] irq event stamp: 297340 [ 82.956376][ T4737] hardirqs last enabled at (297339): [] finish_lock_switch+0xb0/0x1c4 [ 82.958070][ T4737] hardirqs last disabled at (297340): [] el1_dbg+0x24/0x80 [ 82.959520][ T4737] softirqs last enabled at (297334): [] handle_softirqs+0xa40/0xbe4 [ 82.961239][ T4737] softirqs last disabled at (297323): [] __irq_exit_rcu+0x240/0x43c [ 82.962864][ T4737] ---[ end trace 663eed04a85817bc ]--- [ 83.061352][ T5128] 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. [ 83.073718][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.075553][ T4737] ------------[ cut here ]------------ [ 83.076421][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.077910][ T4737] Modules linked in: [ 83.078537][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.079926][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.081460][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.082740][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.083637][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.084520][ T4737] sp : ffff80001f9c6f80 [ 83.085262][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 83.086603][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 83.087950][ T4737] x23: ffff0000e212f048 x22: ffff0000cf780820 x21: ffff0000e212f070 [ 83.089249][ T4737] x20: ffff0000ec4d2068 x19: ffff0000ec4d2000 x18: 0000000000000001 [ 83.090705][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 83.092146][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 83.093502][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 83.094833][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.096167][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 83.097529][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.098924][ T4737] Call trace: [ 83.099503][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.100382][ T4737] ext4_xattr_block_set+0x524/0x267c [ 83.101265][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.102230][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 83.103087][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 83.103961][ T4737] ext4_dirty_inode+0xd0/0x100 [ 83.104745][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 83.105631][ T4737] iput+0x1b0/0x764 [ 83.106277][ T4737] dentry_unlink_inode+0x360/0x438 [ 83.107151][ T4737] __dentry_kill+0x320/0x598 [ 83.107931][ T4737] shrink_dentry_list+0x400/0x7b8 [ 83.108687][ T4737] shrink_dcache_parent+0xb4/0x364 [ 83.109480][ T4737] do_one_tree+0x2c/0xf0 [ 83.110146][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 83.110943][ T4737] generic_shutdown_super+0x68/0x2f0 [ 83.111769][ T4737] kill_block_super+0x70/0xdc [ 83.112476][ T4737] deactivate_locked_super+0xb8/0x134 [ 83.113369][ T4737] deactivate_super+0xf0/0x110 [ 83.114125][ T4737] cleanup_mnt+0x3b8/0x46c [ 83.114794][ T4737] __cleanup_mnt+0x20/0x30 [ 83.115479][ T4737] task_work_run+0x12c/0x1d8 [ 83.116201][ T4737] do_notify_resume+0x2450/0x309c [ 83.116958][ T4737] el0_svc+0xf0/0x1d0 [ 83.117602][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 83.118387][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 83.119061][ T4737] irq event stamp: 300818 [ 83.119710][ T4737] hardirqs last enabled at (300817): [] __up_console_sem+0xb4/0xfc [ 83.121153][ T4737] hardirqs last disabled at (300818): [] el1_dbg+0x24/0x80 [ 83.122446][ T4737] softirqs last enabled at (300752): [] local_bh_enable+0x10/0x34 [ 83.123870][ T4737] softirqs last disabled at (300750): [] local_bh_disable+0x10/0x34 [ 83.125291][ T4737] ---[ end trace 663eed04a85817bd ]--- [ 83.241525][ T5132] 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. [ 83.251664][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.253634][ T4737] ------------[ cut here ]------------ [ 83.254461][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.256038][ T4737] Modules linked in: [ 83.256638][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.258139][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.259872][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.261225][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.262175][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.263200][ T4737] sp : ffff80001f9c6f80 [ 83.263925][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 83.265306][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 83.266618][ T4737] x23: ffff0000e212be70 x22: ffff0000c8923820 x21: ffff0000e212be98 [ 83.268058][ T4737] x20: ffff0000c109e068 x19: ffff0000c109e000 x18: 0000000000000001 [ 83.269428][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 83.270807][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 83.272210][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 83.273574][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.274874][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 83.276199][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.277588][ T4737] Call trace: [ 83.278105][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.279027][ T4737] ext4_xattr_block_set+0x524/0x267c [ 83.279907][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.280849][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 83.281812][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 83.282663][ T4737] ext4_dirty_inode+0xd0/0x100 [ 83.283512][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 83.284414][ T4737] iput+0x1b0/0x764 [ 83.285047][ T4737] dentry_unlink_inode+0x360/0x438 [ 83.285936][ T4737] __dentry_kill+0x320/0x598 [ 83.286675][ T4737] shrink_dentry_list+0x400/0x7b8 [ 83.287544][ T4737] shrink_dcache_parent+0xb4/0x364 [ 83.288443][ T4737] do_one_tree+0x2c/0xf0 [ 83.289174][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 83.290124][ T4737] generic_shutdown_super+0x68/0x2f0 [ 83.290951][ T4737] kill_block_super+0x70/0xdc [ 83.291675][ T4737] deactivate_locked_super+0xb8/0x134 [ 83.292514][ T4737] deactivate_super+0xf0/0x110 [ 83.293320][ T4737] cleanup_mnt+0x3b8/0x46c [ 83.294009][ T4737] __cleanup_mnt+0x20/0x30 [ 83.294687][ T4737] task_work_run+0x12c/0x1d8 [ 83.295443][ T4737] do_notify_resume+0x2450/0x309c [ 83.296255][ T4737] el0_svc+0xf0/0x1d0 [ 83.296925][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 83.297795][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 83.298585][ T4737] irq event stamp: 304616 [ 83.299314][ T4737] hardirqs last enabled at (304615): [] __up_console_sem+0xb4/0xfc [ 83.300834][ T4737] hardirqs last disabled at (304616): [] el1_dbg+0x24/0x80 [ 83.302188][ T4737] softirqs last enabled at (304556): [] local_bh_enable+0x10/0x34 [ 83.303749][ T4737] softirqs last disabled at (304554): [] local_bh_disable+0x10/0x34 [ 83.305293][ T4737] ---[ end trace 663eed04a85817be ]--- [ 83.467711][ T5137] 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. [ 83.477361][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.479272][ T4737] ------------[ cut here ]------------ [ 83.480189][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.481766][ T4737] Modules linked in: [ 83.482423][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.483902][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.485519][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.486860][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.487828][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.488735][ T4737] sp : ffff80001f9c6f80 [ 83.489415][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 83.490766][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 83.492087][ T4737] x23: ffff0000ee020c98 x22: ffff0000d4f57020 x21: ffff0000ee020cc0 [ 83.493412][ T4737] x20: ffff0000e88e4068 x19: ffff0000e88e4000 x18: 0000000000000001 [ 83.494659][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 83.495897][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 83.497235][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 83.498603][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.500006][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 83.501404][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.502654][ T4737] Call trace: [ 83.503151][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.504029][ T4737] ext4_xattr_block_set+0x524/0x267c [ 83.504891][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.505831][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 83.506796][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 83.507710][ T4737] ext4_dirty_inode+0xd0/0x100 [ 83.508463][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 83.509276][ T4737] iput+0x1b0/0x764 [ 83.509892][ T4737] dentry_unlink_inode+0x360/0x438 [ 83.510700][ T4737] __dentry_kill+0x320/0x598 [ 83.511416][ T4737] shrink_dentry_list+0x400/0x7b8 [ 83.512276][ T4737] shrink_dcache_parent+0xb4/0x364 [ 83.513122][ T4737] do_one_tree+0x2c/0xf0 [ 83.513866][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 83.514743][ T4737] generic_shutdown_super+0x68/0x2f0 [ 83.515580][ T4737] kill_block_super+0x70/0xdc [ 83.516330][ T4737] deactivate_locked_super+0xb8/0x134 [ 83.517259][ T4737] deactivate_super+0xf0/0x110 [ 83.518060][ T4737] cleanup_mnt+0x3b8/0x46c [ 83.518795][ T4737] __cleanup_mnt+0x20/0x30 [ 83.519521][ T4737] task_work_run+0x12c/0x1d8 [ 83.520276][ T4737] do_notify_resume+0x2450/0x309c [ 83.521143][ T4737] el0_svc+0xf0/0x1d0 [ 83.521860][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 83.522719][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 83.523510][ T4737] irq event stamp: 308278 [ 83.524223][ T4737] hardirqs last enabled at (308277): [] __up_console_sem+0xb4/0xfc [ 83.525856][ T4737] hardirqs last disabled at (308278): [] el1_dbg+0x24/0x80 [ 83.527321][ T4737] softirqs last enabled at (308204): [] local_bh_enable+0x10/0x34 [ 83.528850][ T4737] softirqs last disabled at (308202): [] local_bh_disable+0x10/0x34 [ 83.530329][ T4737] ---[ end trace 663eed04a85817bf ]--- [ 83.640984][ T5141] 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. [ 83.654547][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.656591][ T4737] ------------[ cut here ]------------ [ 83.657428][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.659025][ T4737] Modules linked in: [ 83.659667][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.661146][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.662981][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.664317][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.665367][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.666311][ T4737] sp : ffff80001f9c6f80 [ 83.667093][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 83.668397][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 83.669774][ T4737] x23: ffff0000dcf39690 x22: ffff0000d1ca3020 x21: ffff0000dcf396b8 [ 83.671142][ T4737] x20: ffff0000c1934068 x19: ffff0000c1934000 x18: 0000000000000001 [ 83.672470][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 83.673847][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 83.675206][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 83.676481][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 83.677752][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 83.679212][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.680599][ T4737] Call trace: [ 83.681164][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.682042][ T4737] ext4_xattr_block_set+0x524/0x267c [ 83.682940][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.683908][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 83.684895][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 83.685824][ T4737] ext4_dirty_inode+0xd0/0x100 [ 83.686563][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 83.687313][ T4737] iput+0x1b0/0x764 [ 83.687917][ T4737] dentry_unlink_inode+0x360/0x438 [ 83.688689][ T4737] __dentry_kill+0x320/0x598 [ 83.689444][ T4737] shrink_dentry_list+0x400/0x7b8 [ 83.690222][ T4737] shrink_dcache_parent+0xb4/0x364 [ 83.691060][ T4737] do_one_tree+0x2c/0xf0 [ 83.691831][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 83.692748][ T4737] generic_shutdown_super+0x68/0x2f0 [ 83.693605][ T4737] kill_block_super+0x70/0xdc [ 83.694341][ T4737] deactivate_locked_super+0xb8/0x134 [ 83.695168][ T4737] deactivate_super+0xf0/0x110 [ 83.695904][ T4737] cleanup_mnt+0x3b8/0x46c [ 83.696629][ T4737] __cleanup_mnt+0x20/0x30 [ 83.697444][ T4737] task_work_run+0x12c/0x1d8 [ 83.698244][ T4737] do_notify_resume+0x2450/0x309c [ 83.699104][ T4737] el0_svc+0xf0/0x1d0 [ 83.699790][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 83.700657][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 83.701425][ T4737] irq event stamp: 311818 [ 83.702149][ T4737] hardirqs last enabled at (311817): [] __schedule+0xef8/0x1bc4 [ 83.703785][ T4737] hardirqs last disabled at (311818): [] el1_dbg+0x24/0x80 [ 83.705284][ T4737] softirqs last enabled at (311752): [] local_bh_enable+0x10/0x34 [ 83.706859][ T4737] softirqs last disabled at (311750): [] local_bh_disable+0x10/0x34 [ 83.708423][ T4737] ---[ end trace 663eed04a85817c0 ]--- [ 83.831253][ T5145] 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. [ 83.842074][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.844125][ T4737] ------------[ cut here ]------------ [ 83.845018][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.846677][ T4737] Modules linked in: [ 83.847322][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.848822][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.850550][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.851877][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.852858][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.853791][ T4737] sp : ffff80001f9c6f80 [ 83.854455][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 83.855733][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 83.857100][ T4737] x23: ffff0000ee02f048 x22: ffff0000d09bb020 x21: ffff0000ee02f070 [ 83.858400][ T4737] x20: ffff0000d082c068 x19: ffff0000d082c000 x18: 0000000000000001 [ 83.859766][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 83.861131][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 83.862484][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 83.863830][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.865212][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 83.866485][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.867847][ T4737] Call trace: [ 83.868364][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.869262][ T4737] ext4_xattr_block_set+0x524/0x267c [ 83.870148][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.871220][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 83.872192][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 83.873121][ T4737] ext4_dirty_inode+0xd0/0x100 [ 83.873942][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 83.874726][ T4737] iput+0x1b0/0x764 [ 83.875377][ T4737] dentry_unlink_inode+0x360/0x438 [ 83.876269][ T4737] __dentry_kill+0x320/0x598 [ 83.877031][ T4737] shrink_dentry_list+0x400/0x7b8 [ 83.877856][ T4737] shrink_dcache_parent+0xb4/0x364 [ 83.878665][ T4737] do_one_tree+0x2c/0xf0 [ 83.879394][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 83.880291][ T4737] generic_shutdown_super+0x68/0x2f0 [ 83.881129][ T4737] kill_block_super+0x70/0xdc [ 83.881874][ T4737] deactivate_locked_super+0xb8/0x134 [ 83.882826][ T4737] deactivate_super+0xf0/0x110 [ 83.883651][ T4737] cleanup_mnt+0x3b8/0x46c [ 83.884414][ T4737] __cleanup_mnt+0x20/0x30 [ 83.885151][ T4737] task_work_run+0x12c/0x1d8 [ 83.885902][ T4737] do_notify_resume+0x2450/0x309c [ 83.886766][ T4737] el0_svc+0xf0/0x1d0 [ 83.887412][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 83.888211][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 83.888980][ T4737] irq event stamp: 315548 [ 83.889666][ T4737] hardirqs last enabled at (315547): [] __up_console_sem+0xb4/0xfc [ 83.891203][ T4737] hardirqs last disabled at (315548): [] el1_dbg+0x24/0x80 [ 83.892724][ T4737] softirqs last enabled at (315492): [] local_bh_enable+0x10/0x34 [ 83.894230][ T4737] softirqs last disabled at (315490): [] local_bh_disable+0x10/0x34 [ 83.895847][ T4737] ---[ end trace 663eed04a85817c1 ]--- [ 84.011394][ T5149] 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. [ 84.019243][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.021464][ T4737] ------------[ cut here ]------------ [ 84.022354][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.023809][ T4737] Modules linked in: [ 84.024444][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.025961][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.027705][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.029042][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.030019][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.030987][ T4737] sp : ffff80001f9c6f80 [ 84.031651][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 84.032965][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 84.034303][ T4737] x23: ffff0000dcf3c868 x22: ffff0000d634f020 x21: ffff0000dcf3c890 [ 84.035679][ T4737] x20: ffff0000cb0ca068 x19: ffff0000cb0ca000 x18: 0000000000000002 [ 84.037043][ T4737] x17: 0000000040000000 x16: ffff80001125f020 x15: 0000000000000002 [ 84.038373][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 84.039717][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 84.040996][ T4737] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 84.042186][ T4737] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c [ 84.043591][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.044992][ T4737] Call trace: [ 84.045548][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.046479][ T4737] ext4_xattr_block_set+0x524/0x267c [ 84.047305][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.048191][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 84.049059][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 84.049939][ T4737] ext4_dirty_inode+0xd0/0x100 [ 84.050760][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 84.051599][ T4737] iput+0x1b0/0x764 [ 84.052170][ T4737] dentry_unlink_inode+0x360/0x438 [ 84.052942][ T4737] __dentry_kill+0x320/0x598 [ 84.053617][ T4737] shrink_dentry_list+0x400/0x7b8 [ 84.054413][ T4737] shrink_dcache_parent+0xb4/0x364 [ 84.055211][ T4737] do_one_tree+0x2c/0xf0 [ 84.055876][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 84.056744][ T4737] generic_shutdown_super+0x68/0x2f0 [ 84.057639][ T4737] kill_block_super+0x70/0xdc [ 84.058364][ T4737] deactivate_locked_super+0xb8/0x134 [ 84.059209][ T4737] deactivate_super+0xf0/0x110 [ 84.060055][ T4737] cleanup_mnt+0x3b8/0x46c [ 84.060790][ T4737] __cleanup_mnt+0x20/0x30 [ 84.061566][ T4737] task_work_run+0x12c/0x1d8 [ 84.062216][ T4737] do_notify_resume+0x2450/0x309c [ 84.063065][ T4737] el0_svc+0xf0/0x1d0 [ 84.063736][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 84.064581][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 84.065365][ T4737] irq event stamp: 319632 [ 84.066062][ T4737] hardirqs last enabled at (319631): [] finish_lock_switch+0xb0/0x1c4 [ 84.067707][ T4737] hardirqs last disabled at (319632): [] el1_dbg+0x24/0x80 [ 84.069194][ T4737] softirqs last enabled at (319626): [] handle_softirqs+0xa40/0xbe4 [ 84.070801][ T4737] softirqs last disabled at (319609): [] __irq_exit_rcu+0x240/0x43c [ 84.072414][ T4737] ---[ end trace 663eed04a85817c2 ]--- [ 84.170840][ T5153] 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. [ 84.181276][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.182968][ T4737] ------------[ cut here ]------------ [ 84.183724][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.185352][ T4737] Modules linked in: [ 84.185993][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.187428][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.189160][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.190457][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.191383][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.192306][ T4737] sp : ffff80001f9c6f80 [ 84.193037][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 84.194444][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 84.195861][ T4737] x23: ffff0000e21da088 x22: ffff0000d96e2820 x21: ffff0000e21da0b0 [ 84.197145][ T4737] x20: ffff0000c299a068 x19: ffff0000c299a000 x18: 0000000000000001 [ 84.198571][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 84.199897][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 84.201194][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 84.202609][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.203983][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 84.205340][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.206666][ T4737] Call trace: [ 84.207219][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.208086][ T4737] ext4_xattr_block_set+0x524/0x267c [ 84.208950][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.209826][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 84.210741][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 84.211606][ T4737] ext4_dirty_inode+0xd0/0x100 [ 84.212367][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 84.213207][ T4737] iput+0x1b0/0x764 [ 84.213858][ T4737] dentry_unlink_inode+0x360/0x438 [ 84.214641][ T4737] __dentry_kill+0x320/0x598 [ 84.215370][ T4737] shrink_dentry_list+0x400/0x7b8 [ 84.216179][ T4737] shrink_dcache_parent+0xb4/0x364 [ 84.217013][ T4737] do_one_tree+0x2c/0xf0 [ 84.217706][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 84.218609][ T4737] generic_shutdown_super+0x68/0x2f0 [ 84.219499][ T4737] kill_block_super+0x70/0xdc [ 84.220307][ T4737] deactivate_locked_super+0xb8/0x134 [ 84.221174][ T4737] deactivate_super+0xf0/0x110 [ 84.222013][ T4737] cleanup_mnt+0x3b8/0x46c [ 84.222784][ T4737] __cleanup_mnt+0x20/0x30 [ 84.223513][ T4737] task_work_run+0x12c/0x1d8 [ 84.224299][ T4737] do_notify_resume+0x2450/0x309c [ 84.225052][ T4737] el0_svc+0xf0/0x1d0 [ 84.225672][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 84.226521][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 84.227279][ T4737] irq event stamp: 323186 [ 84.228006][ T4737] hardirqs last enabled at (323185): [] __up_console_sem+0xb4/0xfc [ 84.229687][ T4737] hardirqs last disabled at (323186): [] el1_dbg+0x24/0x80 [ 84.231137][ T4737] softirqs last enabled at (323112): [] local_bh_enable+0x10/0x34 [ 84.232804][ T4737] softirqs last disabled at (323110): [] local_bh_disable+0x10/0x34 [ 84.234347][ T4737] ---[ end trace 663eed04a85817c3 ]--- [ 84.351394][ T5158] 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. [ 84.363121][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.364865][ T4737] ------------[ cut here ]------------ [ 84.365700][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.367255][ T4737] Modules linked in: [ 84.367863][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.369278][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.370862][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.372159][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.373061][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.373940][ T4737] sp : ffff80001f9c6f80 [ 84.374569][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 84.375800][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 84.377125][ T4737] x23: ffff0000e21ddc58 x22: ffff0000dca2b820 x21: ffff0000e21ddc80 [ 84.378425][ T4737] x20: ffff0000cbd80068 x19: ffff0000cbd80000 x18: 0000000000000001 [ 84.379734][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 84.381145][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 84.382498][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 84.383885][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.385201][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 84.386487][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.387760][ T4737] Call trace: [ 84.388272][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.389131][ T4737] ext4_xattr_block_set+0x524/0x267c [ 84.389959][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.390950][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 84.391891][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 84.392806][ T4737] ext4_dirty_inode+0xd0/0x100 [ 84.393568][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 84.394360][ T4737] iput+0x1b0/0x764 [ 84.395033][ T4737] dentry_unlink_inode+0x360/0x438 [ 84.395883][ T4737] __dentry_kill+0x320/0x598 [ 84.396632][ T4737] shrink_dentry_list+0x400/0x7b8 [ 84.397459][ T4737] shrink_dcache_parent+0xb4/0x364 [ 84.398299][ T4737] do_one_tree+0x2c/0xf0 [ 84.399009][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 84.399899][ T4737] generic_shutdown_super+0x68/0x2f0 [ 84.400730][ T4737] kill_block_super+0x70/0xdc [ 84.401429][ T4737] deactivate_locked_super+0xb8/0x134 [ 84.402251][ T4737] deactivate_super+0xf0/0x110 [ 84.403011][ T4737] cleanup_mnt+0x3b8/0x46c [ 84.403722][ T4737] __cleanup_mnt+0x20/0x30 [ 84.404434][ T4737] task_work_run+0x12c/0x1d8 [ 84.405240][ T4737] do_notify_resume+0x2450/0x309c [ 84.406105][ T4737] el0_svc+0xf0/0x1d0 [ 84.406774][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 84.407587][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 84.408283][ T4737] irq event stamp: 327188 [ 84.408918][ T4737] hardirqs last enabled at (327187): [] __up_console_sem+0xb4/0xfc [ 84.410485][ T4737] hardirqs last disabled at (327188): [] el1_dbg+0x24/0x80 [ 84.411979][ T4737] softirqs last enabled at (327120): [] local_bh_enable+0x10/0x34 [ 84.413597][ T4737] softirqs last disabled at (327118): [] local_bh_disable+0x10/0x34 [ 84.415263][ T4737] ---[ end trace 663eed04a85817c4 ]--- [ 84.531290][ T5162] 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. [ 84.545387][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.547379][ T4737] ------------[ cut here ]------------ [ 84.548208][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.549793][ T4737] Modules linked in: [ 84.550454][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.551949][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.553518][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.554848][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.555769][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.556721][ T4737] sp : ffff80001f9c6f80 [ 84.557470][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 84.558781][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 84.560192][ T4737] x23: ffff0000e21d9690 x22: ffff0000cea26020 x21: ffff0000e21d96b8 [ 84.561501][ T4737] x20: ffff0000c9964068 x19: ffff0000c9964000 x18: 0000000000000001 [ 84.562937][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 84.564211][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 84.565609][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 84.566946][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.568252][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 84.569629][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.570955][ T4737] Call trace: [ 84.571465][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.572442][ T4737] ext4_xattr_block_set+0x524/0x267c [ 84.573306][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.574203][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 84.575076][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 84.575978][ T4737] ext4_dirty_inode+0xd0/0x100 [ 84.576715][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 84.577507][ T4737] iput+0x1b0/0x764 [ 84.578117][ T4737] dentry_unlink_inode+0x360/0x438 [ 84.578972][ T4737] __dentry_kill+0x320/0x598 [ 84.579733][ T4737] shrink_dentry_list+0x400/0x7b8 [ 84.580622][ T4737] shrink_dcache_parent+0xb4/0x364 [ 84.581477][ T4737] do_one_tree+0x2c/0xf0 [ 84.582102][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 84.582929][ T4737] generic_shutdown_super+0x68/0x2f0 [ 84.583762][ T4737] kill_block_super+0x70/0xdc [ 84.584487][ T4737] deactivate_locked_super+0xb8/0x134 [ 84.585337][ T4737] deactivate_super+0xf0/0x110 [ 84.586049][ T4737] cleanup_mnt+0x3b8/0x46c [ 84.586727][ T4737] __cleanup_mnt+0x20/0x30 [ 84.587428][ T4737] task_work_run+0x12c/0x1d8 [ 84.588221][ T4737] do_notify_resume+0x2450/0x309c [ 84.589176][ T4737] el0_svc+0xf0/0x1d0 [ 84.589836][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 84.590638][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 84.591397][ T4737] irq event stamp: 330716 [ 84.592143][ T4737] hardirqs last enabled at (330715): [] __up_console_sem+0xb4/0xfc [ 84.593691][ T4737] hardirqs last disabled at (330716): [] el1_dbg+0x24/0x80 [ 84.595182][ T4737] softirqs last enabled at (330644): [] local_bh_enable+0x10/0x34 [ 84.596718][ T4737] softirqs last disabled at (330642): [] local_bh_disable+0x10/0x34 [ 84.598293][ T4737] ---[ end trace 663eed04a85817c5 ]--- [ 84.660970][ T5166] 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. [ 84.673651][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.675534][ T4737] ------------[ cut here ]------------ [ 84.676380][ T4737] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.677851][ T4737] Modules linked in: [ 84.678468][ T4737] CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.680096][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.681651][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.682937][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.683890][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.684889][ T4737] sp : ffff80001f9c6f80 [ 84.685571][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 84.686934][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 84.688205][ T4737] x23: ffff0000ee02aa80 x22: ffff0000dd734020 x21: ffff0000ee02aaa8 [ 84.689430][ T4737] x20: ffff0000ccb74068 x19: ffff0000ccb74000 x18: 0000000000000001 [ 84.690609][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 84.691860][ T4737] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 84.693123][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 84.694373][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.695655][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 84.696981][ T4737] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.698358][ T4737] Call trace: [ 84.698894][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.699790][ T4737] ext4_xattr_block_set+0x524/0x267c [ 84.700668][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.701640][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 84.702566][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 84.703509][ T4737] ext4_dirty_inode+0xd0/0x100 [ 84.704244][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 84.705143][ T4737] iput+0x1b0/0x764 [ 84.705769][ T4737] dentry_unlink_inode+0x360/0x438 [ 84.706669][ T4737] __dentry_kill+0x320/0x598 [ 84.707439][ T4737] shrink_dentry_list+0x400/0x7b8 [ 84.708310][ T4737] shrink_dcache_parent+0xb4/0x364 [ 84.709147][ T4737] do_one_tree+0x2c/0xf0 [ 84.709861][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 84.710787][ T4737] generic_shutdown_super+0x68/0x2f0 [ 84.711704][ T4737] kill_block_super+0x70/0xdc [ 84.712512][ T4737] deactivate_locked_super+0xb8/0x134 [ 84.713398][ T4737] deactivate_super+0xf0/0x110 [ 84.714190][ T4737] cleanup_mnt+0x3b8/0x46c [ 84.714950][ T4737] __cleanup_mnt+0x20/0x30 [ 84.715721][ T4737] task_work_run+0x12c/0x1d8 [ 84.716484][ T4737] do_notify_resume+0x2450/0x309c [ 84.717332][ T4737] el0_svc+0xf0/0x1d0 [ 84.717998][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 84.718824][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 84.719580][ T4737] irq event stamp: 334662 [ 84.720242][ T4737] hardirqs last enabled at (334661): [] __up_console_sem+0xb4/0xfc [ 84.721752][ T4737] hardirqs last disabled at (334662): [] el1_dbg+0x24/0x80 [ 84.723040][ T4737] softirqs last enabled at (334600): [] local_bh_enable+0x10/0x34 [ 84.724487][ T4737] softirqs last disabled at (334598): [] local_bh_disable+0x10/0x34 [ 84.725990][ T4737] ---[ end trace 663eed04a85817c6 ]--- [ 84.811723][ T5170] 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. [ 84.820968][ T4737] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 84.822945][ T4737] ------------[ cut here ]------------ [ 84.823793][ T4737] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.825216][ T4737] Modules linked in: [ 84.825786][ T4737] CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.827196][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.828793][ T4737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.830103][ T4737] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.830981][ T4737] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 84.831887][ T4737] sp : ffff80001f9c6f80 [ 84.832536][ T4737] x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 [ 84.833777][ T4737] x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f [ 84.835042][ T4737] x23: ffff0000ee029690 x22: ffff0000d9bea020 x21: ffff0000ee0296b8 [ 84.836282][ T4737] x20: ffff0000d975c068 x19: ffff0000d975c000 x18: 0000000000000001 [ 84.837617][ T4737] x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff [ 84.838929][ T4737] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 84.840239][ T4737] x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 [ 84.841553][ T4737] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.842952][ T4737] x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c [ 84.844382][ T4737] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.845744][ T4737] Call trace: [ 84.846329][ T4737] ext4_xattr_set_entry+0x11fc/0x2e50 [ 84.847245][ T4737] ext4_xattr_block_set+0x524/0x267c [ 84.848157][ T4737] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 84.849146][ T4737] __ext4_expand_extra_isize+0x298/0x358 [ 84.850076][ T4737] __ext4_mark_inode_dirty+0x434/0x79c [ 84.850986][ T4737] ext4_dirty_inode+0xd0/0x100 [ 84.851747][ T4737] __mark_inode_dirty+0x2b0/0xf8c [ 84.852629][ T4737] iput+0x1b0/0x764 [ 84.853236][ T4737] dentry_unlink_inode+0x360/0x438 [ 84.854071][ T4737] __dentry_kill+0x320/0x598 [ 84.854836][ T4737] shrink_dentry_list+0x400/0x7b8 [ 84.855665][ T4737] shrink_dcache_parent+0xb4/0x364 [ 84.856531][ T4737] do_one_tree+0x2c/0xf0 [ 84.857325][ T4737] shrink_dcache_for_umount+0x68/0x114 [ 84.858209][ T4737] generic_shutdown_super+0x68/0x2f0 [ 84.859107][ T4737] kill_block_super+0x70/0xdc [ 84.859923][ T4737] deactivate_locked_super+0xb8/0x134 [ 84.860841][ T4737] deactivate_super+0xf0/0x110 [ 84.861619][ T4737] cleanup_mnt+0x3b8/0x46c [ 84.862267][ T4737] __cleanup_mnt+0x20/0x30 [ 84.862918][ T4737] task_work_run+0x12c/0x1d8 [ 84.863621][ T4737] do_notify_resume+0x2450/0x309c [ 84.864419][ T4737] el0_svc+0xf0/0x1d0 [ 84.865095][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 84.865886][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 84.866622][ T4737] irq event stamp: 339164 [ 84.867320][ T4737] hardirqs last enabled at (339163): [] __up_console_sem+0xb4/0xfc [ 84.868770][ T4737] hardirqs last disabled at (339164): [] el1_dbg+0x24/0x80 [ 84.870235][ T4737] softirqs last enabled at (339102): [] local_bh_enable+0x10/0x34 [ 84.871644][ T4737] softirqs last disabled at (339100): [] local_bh_disable+0x10/0x34 [ 84.873043][ T4737] ---[ end trace 663eed04a85817c7 ]---