Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts. 1970/01/01 00:01:00 parsed 1 programs [ 61.877576][ T4423] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 64.713748][ T1682] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.714974][ T1682] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.716198][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.725155][ T1682] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.728008][ T1682] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.729586][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.375787][ T4570] chnl_net:caif_netlink_parms(): no params data found [ 65.393705][ T4570] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.394979][ T4570] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.396718][ T4570] device bridge_slave_0 entered promiscuous mode [ 65.398721][ T4570] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.399906][ T4570] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.401465][ T4570] device bridge_slave_1 entered promiscuous mode [ 65.409518][ T4570] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.412652][ T4570] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.421974][ T4570] team0: Port device team_slave_0 added [ 65.424011][ T4570] team0: Port device team_slave_1 added [ 65.431598][ T4570] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.432681][ T4570] 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. [ 65.437530][ T4570] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.440266][ T4570] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.441405][ T4570] 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. [ 65.445461][ T4570] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.518207][ T4570] device hsr_slave_0 entered promiscuous mode [ 65.566674][ T4570] device hsr_slave_1 entered promiscuous mode [ 66.173797][ T4570] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.208620][ T4570] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.248164][ T4570] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.268468][ T4570] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.328179][ T4570] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.331955][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.333488][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.335937][ T4570] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.339053][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.340965][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.342559][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.343736][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.345600][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.349338][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.350924][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.352455][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.353503][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.362752][ T4570] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.364478][ T4570] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.369338][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.371076][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.372877][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.374946][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.378406][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.380094][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.381718][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.383225][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.384788][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.387260][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.388847][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.390406][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.439402][ T4570] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.448768][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.450143][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.451449][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.453094][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.456421][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.457988][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.459754][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.461135][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.463212][ T4570] device veth0_vlan entered promiscuous mode [ 66.467454][ T4570] device veth1_vlan entered promiscuous mode [ 66.475346][ T4570] device veth0_macvtap entered promiscuous mode [ 66.478624][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.480236][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.481715][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.483741][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.486048][ T4570] device veth1_macvtap entered promiscuous mode [ 66.491035][ T4570] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.493420][ T4570] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.495656][ T4570] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.499228][ T4570] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.500628][ T4570] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.502124][ T4570] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.505000][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.507110][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.508494][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.510049][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.511522][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.513078][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:06 executed programs: 0 [ 66.765879][ T4721] chnl_net:caif_netlink_parms(): no params data found [ 66.783753][ T4721] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.784890][ T4721] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.787630][ T4721] device bridge_slave_0 entered promiscuous mode [ 66.791075][ T4721] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.792180][ T4721] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.793886][ T4721] device bridge_slave_1 entered promiscuous mode [ 66.802824][ T4721] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.805433][ T4721] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.832046][ T4721] team0: Port device team_slave_0 added [ 66.833907][ T4721] team0: Port device team_slave_1 added [ 66.841487][ T4721] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.842630][ T4721] 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. [ 66.846697][ T4721] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.849072][ T4721] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.850156][ T4721] 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. [ 66.854337][ T4721] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.898314][ T4721] device hsr_slave_0 entered promiscuous mode [ 66.946738][ T4721] device hsr_slave_1 entered promiscuous mode [ 66.957253][ T4721] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.958651][ T4721] Cannot create hsr debugfs directory [ 66.991921][ T4721] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.806421][ T4617] Bluetooth: hci0: command 0x0409 tx timeout [ 69.597917][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.598647][ T1540] cfg80211: failed to load regulatory.db [ 69.599005][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.080351][ T4721] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.876499][ T4619] Bluetooth: hci0: command 0x041b tx timeout [ 72.479959][ T4721] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.560864][ T4721] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.699554][ T4721] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.768058][ T4721] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.847676][ T4721] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.892224][ T4721] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.948382][ T4721] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.951940][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.953607][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.955994][ T4721] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.959295][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.960903][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.962463][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.963782][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.965199][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.966609][ T4621] Bluetooth: hci0: command 0x040f tx timeout [ 72.969488][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.971023][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.972610][ T1682] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.973932][ T1682] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.978273][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.980040][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.982986][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.985004][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.987965][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.994737][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.997911][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.000778][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.002377][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.004874][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.006795][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.009325][ T4721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.050805][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.052219][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.055387][ T4721] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.068983][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.070837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.077034][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.078590][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.080281][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.081641][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.083558][ T4721] device veth0_vlan entered promiscuous mode [ 73.087279][ T4721] device veth1_vlan entered promiscuous mode [ 73.093693][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.095283][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.097058][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.098547][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.101087][ T4721] device veth0_macvtap entered promiscuous mode [ 73.103739][ T4721] device veth1_macvtap entered promiscuous mode [ 73.109093][ T4721] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.110869][ T4721] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.113040][ T4721] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.114198][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.115760][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.117340][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.118776][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.121100][ T4721] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.122782][ T4721] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.124966][ T4721] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.126188][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.129957][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.136784][ T4721] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.138148][ T4721] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.139602][ T4721] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.141067][ T4721] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.162927][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.164258][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.165605][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.173220][ T1682] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.174546][ T1682] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.175764][ T1682] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:13 executed programs: 2 [ 73.199846][ T4958] loop0: detected capacity change from 0 to 1024 [ 73.240602][ T4958] EXT4-fs (loop0): Ignoring removed bh option [ 73.258643][ T4958] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 73.272180][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 73.274082][ T4721] ------------[ cut here ]------------ [ 73.274929][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.276387][ T4721] Modules linked in: [ 73.277030][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Not tainted syzkaller #0 [ 73.278239][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.279911][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.281158][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.282135][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 73.283047][ T4721] sp : ffff80001fe86f80 [ 73.283745][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 73.285037][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 73.286308][ T4721] x23: ffff0000e2a64868 x22: ffff0000d2fd1820 x21: ffff0000e2a64890 [ 73.287626][ T4721] x20: ffff0000e92e8068 x19: ffff0000e92e8000 x18: 0000000000000001 [ 73.288978][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 73.290432][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 73.291751][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 73.293027][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.294343][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 73.295556][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.297006][ T4721] Call trace: [ 73.297576][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.298424][ T4721] ext4_xattr_block_set+0x524/0x267c [ 73.299251][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 73.300084][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 73.300979][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 73.301778][ T4721] ext4_dirty_inode+0xd0/0x100 [ 73.302544][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 73.303285][ T4721] iput+0x1b0/0x764 [ 73.303896][ T4721] dentry_unlink_inode+0x360/0x438 [ 73.304642][ T4721] __dentry_kill+0x320/0x598 [ 73.305371][ T4721] shrink_dentry_list+0x400/0x7b8 [ 73.306245][ T4721] shrink_dcache_parent+0xb4/0x364 [ 73.307027][ T4721] do_one_tree+0x2c/0xf0 [ 73.307753][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 73.308666][ T4721] generic_shutdown_super+0x68/0x2f0 [ 73.309512][ T4721] kill_block_super+0x70/0xdc [ 73.310253][ T4721] deactivate_locked_super+0xb8/0x134 [ 73.311164][ T4721] deactivate_super+0xf0/0x110 [ 73.311993][ T4721] cleanup_mnt+0x3b8/0x46c [ 73.312743][ T4721] __cleanup_mnt+0x20/0x30 [ 73.313480][ T4721] task_work_run+0x12c/0x1d8 [ 73.314225][ T4721] do_notify_resume+0x2450/0x309c [ 73.315052][ T4721] el0_svc+0xf0/0x1d0 [ 73.315724][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 73.316590][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 73.317367][ T4721] irq event stamp: 120780 [ 73.318095][ T4721] hardirqs last enabled at (120779): [] __up_console_sem+0xb4/0xfc [ 73.319763][ T4721] hardirqs last disabled at (120780): [] el1_dbg+0x24/0x80 [ 73.321314][ T4721] softirqs last enabled at (120424): [] local_bh_enable+0x10/0x34 [ 73.322840][ T4721] softirqs last disabled at (120422): [] local_bh_disable+0x10/0x34 [ 73.324300][ T4721] ---[ end trace 59faecd3d46a6d9f ]--- [ 73.329014][ T4721] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2807: Unable to expand inode 14. Delete some EAs or run e2fsck. [ 73.360619][ T4963] loop0: detected capacity change from 0 to 1024 [ 73.402326][ T4963] EXT4-fs (loop0): Ignoring removed bh option [ 73.408850][ T4963] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 73.418453][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 73.420321][ T4721] ------------[ cut here ]------------ [ 73.421227][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.422720][ T4721] Modules linked in: [ 73.423326][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.424865][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.426438][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.427731][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.428697][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 73.429735][ T4721] sp : ffff80001fe86f80 [ 73.430459][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 73.431790][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 73.433128][ T4721] x23: ffff0000ece1f048 x22: ffff0000d892d020 x21: ffff0000ece1f070 [ 73.434438][ T4721] x20: ffff0000c1e04068 x19: ffff0000c1e04000 x18: 0000000000000001 [ 73.435747][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 73.437056][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 73.438409][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 73.439735][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.441013][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 73.442301][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.443695][ T4721] Call trace: [ 73.444229][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.445092][ T4721] ext4_xattr_block_set+0x524/0x267c [ 73.445954][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 73.446927][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 73.447916][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 73.448812][ T4721] ext4_dirty_inode+0xd0/0x100 [ 73.449594][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 73.450407][ T4721] iput+0x1b0/0x764 [ 73.450997][ T4721] dentry_unlink_inode+0x360/0x438 [ 73.451759][ T4721] __dentry_kill+0x320/0x598 [ 73.452448][ T4721] shrink_dentry_list+0x400/0x7b8 [ 73.453255][ T4721] shrink_dcache_parent+0xb4/0x364 [ 73.454059][ T4721] do_one_tree+0x2c/0xf0 [ 73.454770][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 73.455635][ T4721] generic_shutdown_super+0x68/0x2f0 [ 73.456476][ T4721] kill_block_super+0x70/0xdc [ 73.457247][ T4721] deactivate_locked_super+0xb8/0x134 [ 73.458109][ T4721] deactivate_super+0xf0/0x110 [ 73.458872][ T4721] cleanup_mnt+0x3b8/0x46c [ 73.459604][ T4721] __cleanup_mnt+0x20/0x30 [ 73.460326][ T4721] task_work_run+0x12c/0x1d8 [ 73.461074][ T4721] do_notify_resume+0x2450/0x309c [ 73.461917][ T4721] el0_svc+0xf0/0x1d0 [ 73.462551][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 73.463359][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 73.464100][ T4721] irq event stamp: 125122 [ 73.464837][ T4721] hardirqs last enabled at (125121): [] __up_console_sem+0xb4/0xfc [ 73.466406][ T4721] hardirqs last disabled at (125122): [] el1_dbg+0x24/0x80 [ 73.467834][ T4721] softirqs last enabled at (124774): [] local_bh_enable+0x10/0x34 [ 73.469397][ T4721] softirqs last disabled at (124772): [] local_bh_disable+0x10/0x34 [ 73.470957][ T4721] ---[ end trace 59faecd3d46a6da0 ]--- [ 73.532000][ T4967] loop0: detected capacity change from 0 to 1024 [ 73.534979][ T4967] EXT4-fs (loop0): Ignoring removed bh option [ 73.559503][ T4967] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 73.569495][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 73.574859][ T4721] ------------[ cut here ]------------ [ 73.575761][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.577425][ T4721] Modules linked in: [ 73.578002][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.579523][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.581140][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.582531][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.583505][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 73.584458][ T4721] sp : ffff80001fe86f80 [ 73.585113][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 73.586447][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 73.587741][ T4721] x23: ffff0000ecdf0c98 x22: ffff0000c9b5f820 x21: ffff0000ecdf0cc0 [ 73.589120][ T4721] x20: ffff0000d78b6068 x19: ffff0000d78b6000 x18: 0000000000000002 [ 73.590443][ T4721] x17: 0000000040000000 x16: ffff80001125a830 x15: 0000000000000002 [ 73.591825][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 73.593369][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 73.594701][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 73.596099][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 73.597400][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.598719][ T4721] Call trace: [ 73.599255][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.600092][ T4721] ext4_xattr_block_set+0x524/0x267c [ 73.600982][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 73.601946][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 73.602915][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 73.603761][ T4721] ext4_dirty_inode+0xd0/0x100 [ 73.604508][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 73.605262][ T4721] iput+0x1b0/0x764 [ 73.605866][ T4721] dentry_unlink_inode+0x360/0x438 [ 73.606609][ T4721] __dentry_kill+0x320/0x598 [ 73.607317][ T4721] shrink_dentry_list+0x400/0x7b8 [ 73.608047][ T4721] shrink_dcache_parent+0xb4/0x364 [ 73.608921][ T4721] do_one_tree+0x2c/0xf0 [ 73.609606][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 73.610555][ T4721] generic_shutdown_super+0x68/0x2f0 [ 73.611549][ T4721] kill_block_super+0x70/0xdc [ 73.612334][ T4721] deactivate_locked_super+0xb8/0x134 [ 73.613159][ T4721] deactivate_super+0xf0/0x110 [ 73.613960][ T4721] cleanup_mnt+0x3b8/0x46c [ 73.614711][ T4721] __cleanup_mnt+0x20/0x30 [ 73.615424][ T4721] task_work_run+0x12c/0x1d8 [ 73.616204][ T4721] do_notify_resume+0x2450/0x309c [ 73.617081][ T4721] el0_svc+0xf0/0x1d0 [ 73.617824][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 73.618699][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 73.619426][ T4721] irq event stamp: 130156 [ 73.620116][ T4721] hardirqs last enabled at (130155): [] finish_lock_switch+0xb0/0x1c4 [ 73.621655][ T4721] hardirqs last disabled at (130156): [] el1_dbg+0x24/0x80 [ 73.622991][ T4721] softirqs last enabled at (129810): [] local_bh_enable+0x10/0x34 [ 73.624534][ T4721] softirqs last disabled at (129808): [] local_bh_disable+0x10/0x34 [ 73.626178][ T4721] ---[ end trace 59faecd3d46a6da1 ]--- [ 73.679452][ T4972] loop0: detected capacity change from 0 to 1024 [ 73.721526][ T4972] EXT4-fs (loop0): Ignoring removed bh option [ 73.729191][ T4972] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 73.738926][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 73.740869][ T4721] ------------[ cut here ]------------ [ 73.741712][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.743173][ T4721] Modules linked in: [ 73.743805][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.745292][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.747030][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.748346][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.749306][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 73.750300][ T4721] sp : ffff80001fe86f80 [ 73.750971][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 73.752275][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 73.753556][ T4721] x23: ffff0000dd375c58 x22: ffff0000db80a020 x21: ffff0000dd375c80 [ 73.754879][ T4721] x20: ffff0000db872068 x19: ffff0000db872000 x18: 0000000000000001 [ 73.756160][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 73.757370][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 73.758653][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 73.759892][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.761114][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 73.762322][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.763654][ T4721] Call trace: [ 73.764158][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.765044][ T4721] ext4_xattr_block_set+0x524/0x267c [ 73.765922][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 73.766898][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 73.767805][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 73.768732][ T4721] ext4_dirty_inode+0xd0/0x100 [ 73.769485][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 73.770349][ T4721] iput+0x1b0/0x764 [ 73.770970][ T4721] dentry_unlink_inode+0x360/0x438 [ 73.771750][ T4721] __dentry_kill+0x320/0x598 [ 73.772475][ T4721] shrink_dentry_list+0x400/0x7b8 [ 73.773307][ T4721] shrink_dcache_parent+0xb4/0x364 [ 73.774063][ T4721] do_one_tree+0x2c/0xf0 [ 73.774728][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 73.775688][ T4721] generic_shutdown_super+0x68/0x2f0 [ 73.776592][ T4721] kill_block_super+0x70/0xdc [ 73.777330][ T4721] deactivate_locked_super+0xb8/0x134 [ 73.778173][ T4721] deactivate_super+0xf0/0x110 [ 73.778943][ T4721] cleanup_mnt+0x3b8/0x46c [ 73.779621][ T4721] __cleanup_mnt+0x20/0x30 [ 73.780355][ T4721] task_work_run+0x12c/0x1d8 [ 73.781156][ T4721] do_notify_resume+0x2450/0x309c [ 73.782000][ T4721] el0_svc+0xf0/0x1d0 [ 73.782653][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 73.783471][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 73.784211][ T4721] irq event stamp: 135288 [ 73.784927][ T4721] hardirqs last enabled at (135287): [] __up_console_sem+0xb4/0xfc [ 73.786421][ T4721] hardirqs last disabled at (135288): [] el1_dbg+0x24/0x80 [ 73.787873][ T4721] softirqs last enabled at (134946): [] local_bh_enable+0x10/0x34 [ 73.789495][ T4721] softirqs last disabled at (134944): [] local_bh_disable+0x10/0x34 [ 73.791080][ T4721] ---[ end trace 59faecd3d46a6da2 ]--- [ 73.818712][ T136] device hsr_slave_0 left promiscuous mode [ 73.856566][ T136] device hsr_slave_1 left promiscuous mode [ 73.868181][ T4976] loop0: detected capacity change from 0 to 1024 [ 73.907682][ T4976] EXT4-fs (loop0): Ignoring removed bh option [ 73.921738][ T4976] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 73.926862][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.928088][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.936861][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.938066][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.939808][ T136] device bridge_slave_1 left promiscuous mode [ 73.940890][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.943087][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 73.944996][ T4721] ------------[ cut here ]------------ [ 73.945872][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.947523][ T4721] Modules linked in: [ 73.948194][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 73.949665][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.951314][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.952517][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.953407][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 73.954379][ T4721] sp : ffff80001fe86f80 [ 73.955082][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 73.956372][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 73.957535][ T4721] x23: ffff0000ecdf2a80 x22: ffff0000d84db820 x21: ffff0000ecdf2aa8 [ 73.958769][ T4721] x20: ffff0000daab8068 x19: ffff0000daab8000 x18: 0000000000000001 [ 73.960142][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 73.961541][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 73.962838][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 73.964042][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.965371][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 73.966747][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 73.968127][ T4721] Call trace: [ 73.968669][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 73.969513][ T4721] ext4_xattr_block_set+0x524/0x267c [ 73.970443][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 73.971429][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 73.972358][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 73.973256][ T4721] ext4_dirty_inode+0xd0/0x100 [ 73.974078][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 73.974922][ T4721] iput+0x1b0/0x764 [ 73.975481][ T4721] dentry_unlink_inode+0x360/0x438 [ 73.976366][ T4721] __dentry_kill+0x320/0x598 [ 73.977118][ T4721] shrink_dentry_list+0x400/0x7b8 [ 73.977883][ T4721] shrink_dcache_parent+0xb4/0x364 [ 73.978726][ T4721] do_one_tree+0x2c/0xf0 [ 73.979382][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 73.980285][ T4721] generic_shutdown_super+0x68/0x2f0 [ 73.981116][ T4721] kill_block_super+0x70/0xdc [ 73.981844][ T4721] deactivate_locked_super+0xb8/0x134 [ 73.982683][ T4721] deactivate_super+0xf0/0x110 [ 73.983421][ T4721] cleanup_mnt+0x3b8/0x46c [ 73.984153][ T4721] __cleanup_mnt+0x20/0x30 [ 73.984862][ T4721] task_work_run+0x12c/0x1d8 [ 73.985611][ T4721] do_notify_resume+0x2450/0x309c [ 73.986406][ T4721] el0_svc+0xf0/0x1d0 [ 73.987021][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 73.987897][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 73.988681][ T4721] irq event stamp: 140492 [ 73.989444][ T4721] hardirqs last enabled at (140491): [] __up_console_sem+0xb4/0xfc [ 73.990927][ T4721] hardirqs last disabled at (140492): [] el1_dbg+0x24/0x80 [ 73.992444][ T4721] softirqs last enabled at (140158): [] local_bh_enable+0x10/0x34 [ 73.994140][ T4721] softirqs last disabled at (140156): [] local_bh_disable+0x10/0x34 [ 73.995748][ T4721] ---[ end trace 59faecd3d46a6da3 ]--- [ 74.006945][ T136] device bridge_slave_0 left promiscuous mode [ 74.008055][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.038899][ T4981] loop0: detected capacity change from 0 to 1024 [ 74.087939][ T4981] EXT4-fs (loop0): Ignoring removed bh option [ 74.098802][ T4981] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 74.108702][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 74.110592][ T4721] ------------[ cut here ]------------ [ 74.111377][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.112903][ T4721] Modules linked in: [ 74.113508][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.114966][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.116609][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.117972][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.118939][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 74.119886][ T4721] sp : ffff80001fe86f80 [ 74.120560][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 74.121929][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 74.123256][ T4721] x23: ffff0000ece03478 x22: ffff0000d60cb820 x21: ffff0000ece034a0 [ 74.124613][ T4721] x20: ffff0000c7b48068 x19: ffff0000c7b48000 x18: 0000000000000001 [ 74.126005][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.127433][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 74.128822][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 74.130155][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.131577][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 74.132912][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.134214][ T4721] Call trace: [ 74.134904][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.135781][ T4721] ext4_xattr_block_set+0x524/0x267c [ 74.136702][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 74.137730][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 74.138666][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 74.139647][ T4721] ext4_dirty_inode+0xd0/0x100 [ 74.140423][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 74.141249][ T4721] iput+0x1b0/0x764 [ 74.141925][ T4721] dentry_unlink_inode+0x360/0x438 [ 74.142854][ T4721] __dentry_kill+0x320/0x598 [ 74.143646][ T4721] shrink_dentry_list+0x400/0x7b8 [ 74.144479][ T4721] shrink_dcache_parent+0xb4/0x364 [ 74.145403][ T4721] do_one_tree+0x2c/0xf0 [ 74.146117][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 74.147042][ T4721] generic_shutdown_super+0x68/0x2f0 [ 74.147917][ T4721] kill_block_super+0x70/0xdc [ 74.148702][ T4721] deactivate_locked_super+0xb8/0x134 [ 74.149592][ T4721] deactivate_super+0xf0/0x110 [ 74.150414][ T4721] cleanup_mnt+0x3b8/0x46c [ 74.151164][ T4721] __cleanup_mnt+0x20/0x30 [ 74.151932][ T4721] task_work_run+0x12c/0x1d8 [ 74.152710][ T4721] do_notify_resume+0x2450/0x309c [ 74.153548][ T4721] el0_svc+0xf0/0x1d0 [ 74.154255][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 74.155167][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 74.155923][ T4721] irq event stamp: 145552 [ 74.156637][ T4721] hardirqs last enabled at (145551): [] __up_console_sem+0xb4/0xfc [ 74.158285][ T4721] hardirqs last disabled at (145552): [] el1_dbg+0x24/0x80 [ 74.159773][ T4721] softirqs last enabled at (145210): [] local_bh_enable+0x10/0x34 [ 74.161314][ T4721] softirqs last disabled at (145208): [] local_bh_disable+0x10/0x34 [ 74.162872][ T4721] ---[ end trace 59faecd3d46a6da4 ]--- [ 74.186539][ T136] device veth1_macvtap left promiscuous mode [ 74.187578][ T136] device veth0_macvtap left promiscuous mode [ 74.188568][ T136] device veth1_vlan left promiscuous mode [ 74.189515][ T136] device veth0_vlan left promiscuous mode [ 74.207279][ T4985] loop0: detected capacity change from 0 to 1024 [ 74.268855][ T4985] EXT4-fs (loop0): Ignoring removed bh option [ 74.281329][ T4985] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 74.296481][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 74.298383][ T4721] ------------[ cut here ]------------ [ 74.299188][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.300737][ T4721] Modules linked in: [ 74.301297][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.302655][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.304252][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.305444][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.306313][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 74.307226][ T4721] sp : ffff80001fe86f80 [ 74.307888][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 74.309213][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 74.310383][ T4721] x23: ffff0000ece06650 x22: ffff0000d010d020 x21: ffff0000ece06678 [ 74.311669][ T4721] x20: ffff0000c9f7a068 x19: ffff0000c9f7a000 x18: 0000000000000001 [ 74.312927][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.314149][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 74.315482][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 74.316841][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.318124][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 74.319411][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.320741][ T4721] Call trace: [ 74.321300][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.322103][ T4721] ext4_xattr_block_set+0x524/0x267c [ 74.322908][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 74.323861][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 74.324846][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 74.325776][ T4721] ext4_dirty_inode+0xd0/0x100 [ 74.326557][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 74.327377][ T4721] iput+0x1b0/0x764 [ 74.327990][ T4721] dentry_unlink_inode+0x360/0x438 [ 74.328843][ T4721] __dentry_kill+0x320/0x598 [ 74.329544][ T4721] shrink_dentry_list+0x400/0x7b8 [ 74.330326][ T4721] shrink_dcache_parent+0xb4/0x364 [ 74.331131][ T4721] do_one_tree+0x2c/0xf0 [ 74.331791][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 74.332719][ T4721] generic_shutdown_super+0x68/0x2f0 [ 74.333596][ T4721] kill_block_super+0x70/0xdc [ 74.334344][ T4721] deactivate_locked_super+0xb8/0x134 [ 74.335302][ T4721] deactivate_super+0xf0/0x110 [ 74.336122][ T4721] cleanup_mnt+0x3b8/0x46c [ 74.336857][ T4721] __cleanup_mnt+0x20/0x30 [ 74.337614][ T4721] task_work_run+0x12c/0x1d8 [ 74.338443][ T4721] do_notify_resume+0x2450/0x309c [ 74.339222][ T4721] el0_svc+0xf0/0x1d0 [ 74.339892][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 74.340705][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 74.341469][ T4721] irq event stamp: 151146 [ 74.342242][ T4721] hardirqs last enabled at (151145): [] __up_console_sem+0xb4/0xfc [ 74.343637][ T4721] hardirqs last disabled at (151146): [] el1_dbg+0x24/0x80 [ 74.345182][ T4721] softirqs last enabled at (151108): [] handle_softirqs+0xa40/0xbe4 [ 74.346634][ T4721] softirqs last disabled at (151083): [] __irq_exit_rcu+0x240/0x43c [ 74.348040][ T4721] ---[ end trace 59faecd3d46a6da5 ]--- [ 74.352423][ T136] team0 (unregistering): Port device team_slave_1 removed [ 74.359073][ T136] team0 (unregistering): Port device team_slave_0 removed [ 74.363177][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.420584][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.431733][ T4989] loop0: detected capacity change from 0 to 1024 [ 74.434919][ T4989] EXT4-fs (loop0): Ignoring removed bh option [ 74.448953][ T4989] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 74.460633][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 74.462611][ T4721] ------------[ cut here ]------------ [ 74.463494][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.465056][ T4721] Modules linked in: [ 74.465682][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.467184][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.468839][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.470102][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.471063][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 74.472061][ T4721] sp : ffff80001fe86f80 [ 74.472803][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 74.474146][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 74.475491][ T4721] x23: ffff0000ecdf5c58 x22: ffff0000dc11e020 x21: ffff0000ecdf5c80 [ 74.476688][ T4721] x20: ffff0000dbb36068 x19: ffff0000dbb36000 x18: 0000000000000001 [ 74.478119][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.479413][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 74.480693][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 74.481950][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.483305][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 74.484648][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.485942][ T4721] Call trace: [ 74.486464][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.487405][ T4721] ext4_xattr_block_set+0x524/0x267c [ 74.488320][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 74.489290][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 74.490258][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 74.491206][ T4721] ext4_dirty_inode+0xd0/0x100 [ 74.491990][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 74.492779][ T4721] iput+0x1b0/0x764 [ 74.493413][ T4721] dentry_unlink_inode+0x360/0x438 [ 74.494181][ T4721] __dentry_kill+0x320/0x598 [ 74.494849][ T4721] shrink_dentry_list+0x400/0x7b8 [ 74.495717][ T4721] shrink_dcache_parent+0xb4/0x364 [ 74.496582][ T4721] do_one_tree+0x2c/0xf0 [ 74.497276][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 74.498223][ T4721] generic_shutdown_super+0x68/0x2f0 [ 74.499101][ T4721] kill_block_super+0x70/0xdc [ 74.499869][ T4721] deactivate_locked_super+0xb8/0x134 [ 74.500815][ T4721] deactivate_super+0xf0/0x110 [ 74.501622][ T4721] cleanup_mnt+0x3b8/0x46c [ 74.502380][ T4721] __cleanup_mnt+0x20/0x30 [ 74.503128][ T4721] task_work_run+0x12c/0x1d8 [ 74.503921][ T4721] do_notify_resume+0x2450/0x309c [ 74.504743][ T4721] el0_svc+0xf0/0x1d0 [ 74.505422][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 74.506313][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 74.507057][ T4721] irq event stamp: 156428 [ 74.507800][ T4721] hardirqs last enabled at (156427): [] __up_console_sem+0xb4/0xfc [ 74.509387][ T4721] hardirqs last disabled at (156428): [] el1_dbg+0x24/0x80 [ 74.510934][ T4721] softirqs last enabled at (156090): [] local_bh_enable+0x10/0x34 [ 74.512594][ T4721] softirqs last disabled at (156088): [] local_bh_disable+0x10/0x34 [ 74.514188][ T4721] ---[ end trace 59faecd3d46a6da6 ]--- [ 74.530208][ T136] bond0 (unregistering): Released all slaves [ 74.545876][ T4993] loop0: detected capacity change from 0 to 1024 [ 74.585452][ T4993] EXT4-fs (loop0): Ignoring removed bh option [ 74.598710][ T4993] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 74.613643][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 74.615492][ T4721] ------------[ cut here ]------------ [ 74.616276][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.617899][ T4721] Modules linked in: [ 74.618560][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.619969][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.621567][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.622821][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.623682][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 74.624609][ T4721] sp : ffff80001fe86f80 [ 74.625298][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 74.626728][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 74.628128][ T4721] x23: ffff0000e2af9690 x22: ffff0000cce13020 x21: ffff0000e2af96b8 [ 74.629397][ T4721] x20: ffff0000cc8d4068 x19: ffff0000cc8d4000 x18: 0000000000000001 [ 74.630602][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.631822][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 74.633176][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 74.634528][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.635806][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 74.637093][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.638397][ T4721] Call trace: [ 74.638944][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.639835][ T4721] ext4_xattr_block_set+0x524/0x267c [ 74.640696][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 74.641603][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 74.642632][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 74.643586][ T4721] ext4_dirty_inode+0xd0/0x100 [ 74.644363][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 74.645216][ T4721] iput+0x1b0/0x764 [ 74.645863][ T4721] dentry_unlink_inode+0x360/0x438 [ 74.646741][ T4721] __dentry_kill+0x320/0x598 [ 74.647483][ T4721] shrink_dentry_list+0x400/0x7b8 [ 74.648336][ T4721] shrink_dcache_parent+0xb4/0x364 [ 74.649120][ T4721] do_one_tree+0x2c/0xf0 [ 74.649838][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 74.650782][ T4721] generic_shutdown_super+0x68/0x2f0 [ 74.651669][ T4721] kill_block_super+0x70/0xdc [ 74.652467][ T4721] deactivate_locked_super+0xb8/0x134 [ 74.653284][ T4721] deactivate_super+0xf0/0x110 [ 74.654031][ T4721] cleanup_mnt+0x3b8/0x46c [ 74.654818][ T4721] __cleanup_mnt+0x20/0x30 [ 74.655568][ T4721] task_work_run+0x12c/0x1d8 [ 74.656345][ T4721] do_notify_resume+0x2450/0x309c [ 74.657187][ T4721] el0_svc+0xf0/0x1d0 [ 74.657840][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 74.658736][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 74.659482][ T4721] irq event stamp: 161712 [ 74.660175][ T4721] hardirqs last enabled at (161711): [] __up_console_sem+0xb4/0xfc [ 74.661771][ T4721] hardirqs last disabled at (161712): [] el1_dbg+0x24/0x80 [ 74.663174][ T4721] softirqs last enabled at (161382): [] local_bh_enable+0x10/0x34 [ 74.664660][ T4721] softirqs last disabled at (161380): [] local_bh_disable+0x10/0x34 [ 74.666155][ T4721] ---[ end trace 59faecd3d46a6da7 ]--- [ 74.741967][ T4997] loop0: detected capacity change from 0 to 1024 [ 74.744623][ T4997] EXT4-fs (loop0): Ignoring removed bh option [ 74.763832][ T4997] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 74.773561][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 74.775642][ T4721] ------------[ cut here ]------------ [ 74.776511][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.778029][ T4721] Modules linked in: [ 74.778666][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.780167][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.781843][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.783147][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.784143][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 74.785132][ T4721] sp : ffff80001fe86f80 [ 74.785784][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 74.787072][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 74.788322][ T4721] x23: ffff0000e2afc868 x22: ffff0000da9ae020 x21: ffff0000e2afc890 [ 74.789608][ T4721] x20: ffff0000ce6aa068 x19: ffff0000ce6aa000 x18: 0000000000000001 [ 74.790967][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.792348][ T4721] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 74.793632][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 74.795006][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.796366][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 74.797684][ T4721] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.799061][ T4721] Call trace: [ 74.799630][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.800516][ T4721] ext4_xattr_block_set+0x524/0x267c [ 74.801375][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 74.802336][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 74.803308][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 74.804195][ T4721] ext4_dirty_inode+0xd0/0x100 [ 74.804958][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 74.805810][ T4721] iput+0x1b0/0x764 [ 74.806470][ T4721] dentry_unlink_inode+0x360/0x438 [ 74.807375][ T4721] __dentry_kill+0x320/0x598 [ 74.808153][ T4721] shrink_dentry_list+0x400/0x7b8 [ 74.808991][ T4721] shrink_dcache_parent+0xb4/0x364 [ 74.809861][ T4721] do_one_tree+0x2c/0xf0 [ 74.810560][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 74.811443][ T4721] generic_shutdown_super+0x68/0x2f0 [ 74.812310][ T4721] kill_block_super+0x70/0xdc [ 74.813080][ T4721] deactivate_locked_super+0xb8/0x134 [ 74.813991][ T4721] deactivate_super+0xf0/0x110 [ 74.814819][ T4721] cleanup_mnt+0x3b8/0x46c [ 74.815615][ T4721] __cleanup_mnt+0x20/0x30 [ 74.816350][ T4721] task_work_run+0x12c/0x1d8 [ 74.817073][ T4721] do_notify_resume+0x2450/0x309c [ 74.817952][ T4721] el0_svc+0xf0/0x1d0 [ 74.818629][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 74.819528][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 74.820274][ T4721] irq event stamp: 167110 [ 74.821021][ T4721] hardirqs last enabled at (167109): [] __up_console_sem+0xb4/0xfc [ 74.822690][ T4721] hardirqs last disabled at (167110): [] el1_dbg+0x24/0x80 [ 74.824198][ T4721] softirqs last enabled at (166778): [] local_bh_enable+0x10/0x34 [ 74.825805][ T4721] softirqs last disabled at (166776): [] local_bh_disable+0x10/0x34 [ 74.827528][ T4721] ---[ end trace 59faecd3d46a6da8 ]--- [ 74.937780][ T5001] EXT4-fs (loop0): Ignoring removed bh option [ 74.948874][ T5001] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 74.961098][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 74.963231][ T4721] ------------[ cut here ]------------ [ 74.964035][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.965628][ T4721] Modules linked in: [ 74.966310][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 74.967946][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.969606][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.970947][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.971952][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 74.972928][ T4721] sp : ffff80001fe86f80 [ 74.973623][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 74.975010][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 74.976305][ T4721] x23: ffff0000e2afdc58 x22: ffff0000d6479020 x21: ffff0000e2afdc80 [ 74.977569][ T4721] x20: ffff0000ce88e068 x19: ffff0000ce88e000 x18: 0000000000000002 [ 74.978836][ T4721] x17: 0000000040000000 x16: ffff80001125a830 x15: 0000000000000002 [ 74.980135][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 74.981454][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 74.982876][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.984267][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 74.985602][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 74.986943][ T4721] Call trace: [ 74.987462][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 74.988359][ T4721] ext4_xattr_block_set+0x524/0x267c [ 74.989276][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 74.990223][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 74.991108][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 74.992009][ T4721] ext4_dirty_inode+0xd0/0x100 [ 74.992756][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 74.993564][ T4721] iput+0x1b0/0x764 [ 74.994189][ T4721] dentry_unlink_inode+0x360/0x438 [ 74.994974][ T4721] __dentry_kill+0x320/0x598 [ 74.995691][ T4721] shrink_dentry_list+0x400/0x7b8 [ 74.996524][ T4721] shrink_dcache_parent+0xb4/0x364 [ 74.997286][ T4721] do_one_tree+0x2c/0xf0 [ 74.997943][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 74.998793][ T4721] generic_shutdown_super+0x68/0x2f0 [ 74.999611][ T4721] kill_block_super+0x70/0xdc [ 75.000376][ T4721] deactivate_locked_super+0xb8/0x134 [ 75.001212][ T4721] deactivate_super+0xf0/0x110 [ 75.001967][ T4721] cleanup_mnt+0x3b8/0x46c [ 75.002640][ T4721] __cleanup_mnt+0x20/0x30 [ 75.003307][ T4721] task_work_run+0x12c/0x1d8 [ 75.004044][ T4721] do_notify_resume+0x2450/0x309c [ 75.004835][ T4721] el0_svc+0xf0/0x1d0 [ 75.005513][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 75.006395][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 75.007194][ T4721] irq event stamp: 172552 [ 75.007986][ T4721] hardirqs last enabled at (172551): [] finish_lock_switch+0xb0/0x1c4 [ 75.009673][ T4721] hardirqs last disabled at (172552): [] el1_dbg+0x24/0x80 [ 75.011048][ T4721] softirqs last enabled at (172220): [] local_bh_enable+0x10/0x34 [ 75.012524][ T4721] softirqs last disabled at (172218): [] local_bh_disable+0x10/0x34 [ 75.014001][ T4721] ---[ end trace 59faecd3d46a6da9 ]--- [ 75.036949][ T4164] Bluetooth: hci0: command 0x0419 tx timeout [ 75.218401][ T5005] EXT4-fs (loop0): Ignoring removed bh option [ 75.228114][ T5005] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 75.239270][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.241281][ T4721] ------------[ cut here ]------------ [ 75.242145][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.243834][ T4721] Modules linked in: [ 75.244499][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.245922][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.247659][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.249013][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.249967][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.250912][ T4721] sp : ffff80001fe86f80 [ 75.251642][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 75.252978][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 75.254286][ T4721] x23: ffff0000dd3c9690 x22: ffff0000d7e0e020 x21: ffff0000dd3c96b8 [ 75.255529][ T4721] x20: ffff0000ceca6068 x19: ffff0000ceca6000 x18: 0000000000000001 [ 75.256887][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 75.258329][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 75.259673][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 75.261053][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.262377][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 75.263617][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.264962][ T4721] Call trace: [ 75.265448][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.266287][ T4721] ext4_xattr_block_set+0x524/0x267c [ 75.267054][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.267907][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 75.268736][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 75.269547][ T4721] ext4_dirty_inode+0xd0/0x100 [ 75.270262][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 75.271064][ T4721] iput+0x1b0/0x764 [ 75.271713][ T4721] dentry_unlink_inode+0x360/0x438 [ 75.272547][ T4721] __dentry_kill+0x320/0x598 [ 75.273247][ T4721] shrink_dentry_list+0x400/0x7b8 [ 75.274028][ T4721] shrink_dcache_parent+0xb4/0x364 [ 75.274795][ T4721] do_one_tree+0x2c/0xf0 [ 75.275426][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 75.276372][ T4721] generic_shutdown_super+0x68/0x2f0 [ 75.277235][ T4721] kill_block_super+0x70/0xdc [ 75.277975][ T4721] deactivate_locked_super+0xb8/0x134 [ 75.278892][ T4721] deactivate_super+0xf0/0x110 [ 75.279723][ T4721] cleanup_mnt+0x3b8/0x46c [ 75.280447][ T4721] __cleanup_mnt+0x20/0x30 [ 75.281158][ T4721] task_work_run+0x12c/0x1d8 [ 75.281873][ T4721] do_notify_resume+0x2450/0x309c [ 75.282630][ T4721] el0_svc+0xf0/0x1d0 [ 75.283260][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 75.284072][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 75.284825][ T4721] irq event stamp: 177926 [ 75.285546][ T4721] hardirqs last enabled at (177925): [] __up_console_sem+0xb4/0xfc [ 75.287145][ T4721] hardirqs last disabled at (177926): [] el1_dbg+0x24/0x80 [ 75.288642][ T4721] softirqs last enabled at (177572): [] local_bh_enable+0x10/0x34 [ 75.290277][ T4721] softirqs last disabled at (177570): [] local_bh_disable+0x10/0x34 [ 75.291710][ T4721] ---[ end trace 59faecd3d46a6daa ]--- [ 75.433697][ T5010] EXT4-fs (loop0): Ignoring removed bh option [ 75.442154][ T5010] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 75.462684][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.464511][ T4721] ------------[ cut here ]------------ [ 75.465302][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.466809][ T4721] Modules linked in: [ 75.467494][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.469022][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.470767][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.472127][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.473115][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.474058][ T4721] sp : ffff80001fe86f80 [ 75.474819][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 75.476218][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 75.477532][ T4721] x23: ffff0000dd3cb478 x22: ffff0000d5d39020 x21: ffff0000dd3cb4a0 [ 75.478908][ T4721] x20: ffff0000ec398068 x19: ffff0000ec398000 x18: 0000000000000001 [ 75.480315][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 75.481736][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 75.483137][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 75.484470][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.485790][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 75.487102][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.488477][ T4721] Call trace: [ 75.489057][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.489965][ T4721] ext4_xattr_block_set+0x524/0x267c [ 75.490803][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.491830][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 75.492874][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 75.493749][ T4721] ext4_dirty_inode+0xd0/0x100 [ 75.494562][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 75.495419][ T4721] iput+0x1b0/0x764 [ 75.496094][ T4721] dentry_unlink_inode+0x360/0x438 [ 75.496936][ T4721] __dentry_kill+0x320/0x598 [ 75.497705][ T4721] shrink_dentry_list+0x400/0x7b8 [ 75.498526][ T4721] shrink_dcache_parent+0xb4/0x364 [ 75.499410][ T4721] do_one_tree+0x2c/0xf0 [ 75.500119][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 75.501073][ T4721] generic_shutdown_super+0x68/0x2f0 [ 75.502001][ T4721] kill_block_super+0x70/0xdc [ 75.502781][ T4721] deactivate_locked_super+0xb8/0x134 [ 75.503667][ T4721] deactivate_super+0xf0/0x110 [ 75.504462][ T4721] cleanup_mnt+0x3b8/0x46c [ 75.505157][ T4721] __cleanup_mnt+0x20/0x30 [ 75.505883][ T4721] task_work_run+0x12c/0x1d8 [ 75.506632][ T4721] do_notify_resume+0x2450/0x309c [ 75.507406][ T4721] el0_svc+0xf0/0x1d0 [ 75.508039][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 75.508909][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 75.509659][ T4721] irq event stamp: 183296 [ 75.510340][ T4721] hardirqs last enabled at (183295): [] __up_console_sem+0xb4/0xfc [ 75.511926][ T4721] hardirqs last disabled at (183296): [] el1_dbg+0x24/0x80 [ 75.513468][ T4721] softirqs last enabled at (182954): [] local_bh_enable+0x10/0x34 [ 75.515020][ T4721] softirqs last disabled at (182952): [] local_bh_disable+0x10/0x34 [ 75.516616][ T4721] ---[ end trace 59faecd3d46a6dab ]--- [ 75.603040][ T5014] EXT4-fs (loop0): Ignoring removed bh option [ 75.609742][ T5014] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 75.619092][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.621090][ T4721] ------------[ cut here ]------------ [ 75.621999][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.623662][ T4721] Modules linked in: [ 75.624299][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.625765][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.627415][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.628669][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.629702][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.630674][ T4721] sp : ffff80001fe86f80 [ 75.631381][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 75.632662][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 75.633933][ T4721] x23: ffff0000ecd25c58 x22: ffff0000da010020 x21: ffff0000ecd25c80 [ 75.635153][ T4721] x20: ffff0000c8c06068 x19: ffff0000c8c06000 x18: 0000000000000001 [ 75.636429][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 75.637750][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 75.639176][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 75.640537][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.641865][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 75.643235][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.644506][ T4721] Call trace: [ 75.645071][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.645973][ T4721] ext4_xattr_block_set+0x524/0x267c [ 75.646855][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.647758][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 75.648682][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 75.649569][ T4721] ext4_dirty_inode+0xd0/0x100 [ 75.650303][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 75.651132][ T4721] iput+0x1b0/0x764 [ 75.651764][ T4721] dentry_unlink_inode+0x360/0x438 [ 75.652553][ T4721] __dentry_kill+0x320/0x598 [ 75.653364][ T4721] shrink_dentry_list+0x400/0x7b8 [ 75.654239][ T4721] shrink_dcache_parent+0xb4/0x364 [ 75.655155][ T4721] do_one_tree+0x2c/0xf0 [ 75.655945][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 75.656864][ T4721] generic_shutdown_super+0x68/0x2f0 [ 75.657711][ T4721] kill_block_super+0x70/0xdc [ 75.658510][ T4721] deactivate_locked_super+0xb8/0x134 [ 75.659358][ T4721] deactivate_super+0xf0/0x110 [ 75.660112][ T4721] cleanup_mnt+0x3b8/0x46c [ 75.660812][ T4721] __cleanup_mnt+0x20/0x30 [ 75.661586][ T4721] task_work_run+0x12c/0x1d8 [ 75.662345][ T4721] do_notify_resume+0x2450/0x309c [ 75.663208][ T4721] el0_svc+0xf0/0x1d0 [ 75.663915][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 75.664736][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 75.665516][ T4721] irq event stamp: 188620 [ 75.666215][ T4721] hardirqs last enabled at (188619): [] __up_console_sem+0xb4/0xfc [ 75.667822][ T4721] hardirqs last disabled at (188620): [] el1_dbg+0x24/0x80 [ 75.669298][ T4721] softirqs last enabled at (188276): [] local_bh_enable+0x10/0x34 [ 75.670896][ T4721] softirqs last disabled at (188274): [] local_bh_disable+0x10/0x34 [ 75.672479][ T4721] ---[ end trace 59faecd3d46a6dac ]--- [ 75.819430][ T5018] EXT4-fs (loop0): Ignoring removed bh option [ 75.827840][ T5018] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 75.844873][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 75.847350][ T4721] ------------[ cut here ]------------ [ 75.848266][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.849928][ T4721] Modules linked in: [ 75.850595][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.852101][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.853774][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.854981][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.855874][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 75.856778][ T4721] sp : ffff80001fe86f80 [ 75.857425][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 75.858681][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 75.859973][ T4721] x23: ffff0000e2a382a0 x22: ffff0000d9398020 x21: ffff0000e2a382c8 [ 75.861222][ T4721] x20: ffff0000cbae0068 x19: ffff0000cbae0000 x18: 1fffe000341f0596 [ 75.862496][ T4721] x17: 1fffe000341f0596 x16: ffff80001125a830 x15: ffff80001433ed40 [ 75.863734][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 75.864939][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 75.866288][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.867695][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 75.869004][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 75.870374][ T4721] Call trace: [ 75.870936][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 75.871834][ T4721] ext4_xattr_block_set+0x524/0x267c [ 75.872803][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 75.873823][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 75.874835][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 75.875755][ T4721] ext4_dirty_inode+0xd0/0x100 [ 75.876555][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 75.877388][ T4721] iput+0x1b0/0x764 [ 75.878021][ T4721] dentry_unlink_inode+0x360/0x438 [ 75.878853][ T4721] __dentry_kill+0x320/0x598 [ 75.879591][ T4721] shrink_dentry_list+0x400/0x7b8 [ 75.880379][ T4721] shrink_dcache_parent+0xb4/0x364 [ 75.881155][ T4721] do_one_tree+0x2c/0xf0 [ 75.881801][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 75.882632][ T4721] generic_shutdown_super+0x68/0x2f0 [ 75.883515][ T4721] kill_block_super+0x70/0xdc [ 75.884321][ T4721] deactivate_locked_super+0xb8/0x134 [ 75.885281][ T4721] deactivate_super+0xf0/0x110 [ 75.886109][ T4721] cleanup_mnt+0x3b8/0x46c [ 75.886891][ T4721] __cleanup_mnt+0x20/0x30 [ 75.887645][ T4721] task_work_run+0x12c/0x1d8 [ 75.888423][ T4721] do_notify_resume+0x2450/0x309c [ 75.889293][ T4721] el0_svc+0xf0/0x1d0 [ 75.889967][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 75.890792][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 75.891594][ T4721] irq event stamp: 193974 [ 75.892319][ T4721] hardirqs last enabled at (193973): [] finish_lock_switch+0xb0/0x1c4 [ 75.893934][ T4721] hardirqs last disabled at (193974): [] el1_dbg+0x24/0x80 [ 75.895433][ T4721] softirqs last enabled at (193968): [] handle_softirqs+0xa40/0xbe4 [ 75.897100][ T4721] softirqs last disabled at (193869): [] __irq_exit_rcu+0x240/0x43c [ 75.898779][ T4721] ---[ end trace 59faecd3d46a6dad ]--- [ 75.988581][ T5022] EXT4-fs (loop0): Ignoring removed bh option [ 76.009701][ T5022] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 76.031374][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.033331][ T4721] ------------[ cut here ]------------ [ 76.034233][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.035845][ T4721] Modules linked in: [ 76.036446][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.037996][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.039706][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.041053][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.042017][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.042922][ T4721] sp : ffff80001fe86f80 [ 76.043843][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 76.045188][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 76.046619][ T4721] x23: ffff0000dd3cf048 x22: ffff0000d00cd820 x21: ffff0000dd3cf070 [ 76.047918][ T4721] x20: ffff0000cf0d4068 x19: ffff0000cf0d4000 x18: 0000000000000001 [ 76.049226][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 76.050697][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 76.052026][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 76.053327][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.054602][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 76.056035][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.057419][ T4721] Call trace: [ 76.057956][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.058886][ T4721] ext4_xattr_block_set+0x524/0x267c [ 76.059762][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.060691][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 76.061599][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 76.062532][ T4721] ext4_dirty_inode+0xd0/0x100 [ 76.063369][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 76.064259][ T4721] iput+0x1b0/0x764 [ 76.064922][ T4721] dentry_unlink_inode+0x360/0x438 [ 76.065747][ T4721] __dentry_kill+0x320/0x598 [ 76.066528][ T4721] shrink_dentry_list+0x400/0x7b8 [ 76.067352][ T4721] shrink_dcache_parent+0xb4/0x364 [ 76.068203][ T4721] do_one_tree+0x2c/0xf0 [ 76.068967][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 76.069905][ T4721] generic_shutdown_super+0x68/0x2f0 [ 76.070822][ T4721] kill_block_super+0x70/0xdc [ 76.071615][ T4721] deactivate_locked_super+0xb8/0x134 [ 76.072503][ T4721] deactivate_super+0xf0/0x110 [ 76.073336][ T4721] cleanup_mnt+0x3b8/0x46c [ 76.074088][ T4721] __cleanup_mnt+0x20/0x30 [ 76.074831][ T4721] task_work_run+0x12c/0x1d8 [ 76.075633][ T4721] do_notify_resume+0x2450/0x309c [ 76.076478][ T4721] el0_svc+0xf0/0x1d0 [ 76.077152][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 76.077952][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 76.078642][ T4721] irq event stamp: 199488 [ 76.079293][ T4721] hardirqs last enabled at (199487): [] __up_console_sem+0xb4/0xfc [ 76.080770][ T4721] hardirqs last disabled at (199488): [] el1_dbg+0x24/0x80 [ 76.082162][ T4721] softirqs last enabled at (199126): [] local_bh_enable+0x10/0x34 [ 76.083673][ T4721] softirqs last disabled at (199124): [] local_bh_disable+0x10/0x34 [ 76.085131][ T4721] ---[ end trace 59faecd3d46a6dae ]--- [ 76.261131][ T5026] EXT4-fs (loop0): Ignoring removed bh option [ 76.278389][ T5026] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 76.287662][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.289775][ T4721] ------------[ cut here ]------------ [ 76.290608][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.292250][ T4721] Modules linked in: [ 76.292835][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.294170][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.295687][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.296823][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.297739][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.298651][ T4721] sp : ffff80001fe86f80 [ 76.299252][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 76.300483][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 76.301734][ T4721] x23: ffff0000e2a3b478 x22: ffff0000de2ea820 x21: ffff0000e2a3b4a0 [ 76.302958][ T4721] x20: ffff0000c9202068 x19: ffff0000c9202000 x18: 1fffe000341f0596 [ 76.304232][ T4721] x17: 1fffe000341f0596 x16: ffff80001125a830 x15: ffff80001433ed40 [ 76.305484][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 76.306719][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 76.307993][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 76.309347][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 76.310727][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.312121][ T4721] Call trace: [ 76.312666][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.313574][ T4721] ext4_xattr_block_set+0x524/0x267c [ 76.314468][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.315475][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 76.316393][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 76.317331][ T4721] ext4_dirty_inode+0xd0/0x100 [ 76.318102][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 76.318946][ T4721] iput+0x1b0/0x764 [ 76.319569][ T4721] dentry_unlink_inode+0x360/0x438 [ 76.320426][ T4721] __dentry_kill+0x320/0x598 [ 76.321264][ T4721] shrink_dentry_list+0x400/0x7b8 [ 76.322102][ T4721] shrink_dcache_parent+0xb4/0x364 [ 76.322982][ T4721] do_one_tree+0x2c/0xf0 [ 76.323724][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 76.324683][ T4721] generic_shutdown_super+0x68/0x2f0 [ 76.325557][ T4721] kill_block_super+0x70/0xdc [ 76.326305][ T4721] deactivate_locked_super+0xb8/0x134 [ 76.327254][ T4721] deactivate_super+0xf0/0x110 [ 76.328008][ T4721] cleanup_mnt+0x3b8/0x46c [ 76.328789][ T4721] __cleanup_mnt+0x20/0x30 [ 76.329466][ T4721] task_work_run+0x12c/0x1d8 [ 76.330226][ T4721] do_notify_resume+0x2450/0x309c [ 76.331069][ T4721] el0_svc+0xf0/0x1d0 [ 76.331713][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 76.332496][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 76.333193][ T4721] irq event stamp: 204714 [ 76.333911][ T4721] hardirqs last enabled at (204713): [] finish_lock_switch+0xb0/0x1c4 [ 76.335538][ T4721] hardirqs last disabled at (204714): [] el1_dbg+0x24/0x80 [ 76.336961][ T4721] softirqs last enabled at (204358): [] local_bh_enable+0x10/0x34 [ 76.338472][ T4721] softirqs last disabled at (204356): [] local_bh_disable+0x10/0x34 [ 76.339950][ T4721] ---[ end trace 59faecd3d46a6daf ]--- [ 76.381466][ T5030] EXT4-fs (loop0): Ignoring removed bh option [ 76.398750][ T5030] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 76.415917][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.418657][ T4721] ------------[ cut here ]------------ [ 76.419568][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.421123][ T4721] Modules linked in: [ 76.421751][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.423216][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.424871][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.426207][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.427184][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.428192][ T4721] sp : ffff80001fe86f80 [ 76.428909][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 76.430223][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 76.431572][ T4721] x23: ffff0000e2a3d260 x22: ffff0000d1703020 x21: ffff0000e2a3d288 [ 76.432964][ T4721] x20: ffff0000de572068 x19: ffff0000de572000 x18: 0000000000000002 [ 76.434343][ T4721] x17: 0000000040000000 x16: ffff80001125a830 x15: 0000000000000002 [ 76.435655][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 76.437040][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 76.438395][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 76.439743][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 76.441020][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.442357][ T4721] Call trace: [ 76.442869][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.443727][ T4721] ext4_xattr_block_set+0x524/0x267c [ 76.444507][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.445399][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 76.446367][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 76.447223][ T4721] ext4_dirty_inode+0xd0/0x100 [ 76.447988][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 76.448735][ T4721] iput+0x1b0/0x764 [ 76.449291][ T4721] dentry_unlink_inode+0x360/0x438 [ 76.450192][ T4721] __dentry_kill+0x320/0x598 [ 76.450935][ T4721] shrink_dentry_list+0x400/0x7b8 [ 76.451811][ T4721] shrink_dcache_parent+0xb4/0x364 [ 76.452700][ T4721] do_one_tree+0x2c/0xf0 [ 76.453420][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 76.454380][ T4721] generic_shutdown_super+0x68/0x2f0 [ 76.455261][ T4721] kill_block_super+0x70/0xdc [ 76.456032][ T4721] deactivate_locked_super+0xb8/0x134 [ 76.456893][ T4721] deactivate_super+0xf0/0x110 [ 76.457713][ T4721] cleanup_mnt+0x3b8/0x46c [ 76.458473][ T4721] __cleanup_mnt+0x20/0x30 [ 76.459228][ T4721] task_work_run+0x12c/0x1d8 [ 76.459985][ T4721] do_notify_resume+0x2450/0x309c [ 76.460815][ T4721] el0_svc+0xf0/0x1d0 [ 76.461460][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 76.462227][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 76.463007][ T4721] irq event stamp: 210546 [ 76.463715][ T4721] hardirqs last enabled at (210545): [] finish_lock_switch+0xb0/0x1c4 [ 76.465268][ T4721] hardirqs last disabled at (210546): [] el1_dbg+0x24/0x80 [ 76.466686][ T4721] softirqs last enabled at (210540): [] handle_softirqs+0xa40/0xbe4 [ 76.468265][ T4721] softirqs last disabled at (210523): [] __irq_exit_rcu+0x240/0x43c [ 76.469774][ T4721] ---[ end trace 59faecd3d46a6db0 ]--- [ 76.523715][ T5035] EXT4-fs (loop0): Ignoring removed bh option [ 76.529029][ T5035] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 76.540546][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.542586][ T4721] ------------[ cut here ]------------ [ 76.543427][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.544968][ T4721] Modules linked in: [ 76.545596][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.547015][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.548745][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.550093][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.551054][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.552009][ T4721] sp : ffff80001fe86f80 [ 76.552712][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 76.554124][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 76.555439][ T4721] x23: ffff0000e2a3f048 x22: ffff0000cfcb6020 x21: ffff0000e2a3f070 [ 76.556760][ T4721] x20: ffff0000d3c38068 x19: ffff0000d3c38000 x18: 1fffe000341f0596 [ 76.558048][ T4721] x17: 1fffe000341f0596 x16: ffff80001125a830 x15: ffff80001433ed40 [ 76.559321][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 76.560577][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 76.561891][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 76.563297][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 76.564689][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.566024][ T4721] Call trace: [ 76.566555][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.567424][ T4721] ext4_xattr_block_set+0x524/0x267c [ 76.568281][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.569191][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 76.570079][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 76.570929][ T4721] ext4_dirty_inode+0xd0/0x100 [ 76.571777][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 76.572640][ T4721] iput+0x1b0/0x764 [ 76.573271][ T4721] dentry_unlink_inode+0x360/0x438 [ 76.574122][ T4721] __dentry_kill+0x320/0x598 [ 76.574890][ T4721] shrink_dentry_list+0x400/0x7b8 [ 76.575655][ T4721] shrink_dcache_parent+0xb4/0x364 [ 76.576437][ T4721] do_one_tree+0x2c/0xf0 [ 76.577172][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 76.578055][ T4721] generic_shutdown_super+0x68/0x2f0 [ 76.578885][ T4721] kill_block_super+0x70/0xdc [ 76.579642][ T4721] deactivate_locked_super+0xb8/0x134 [ 76.580449][ T4721] deactivate_super+0xf0/0x110 [ 76.581208][ T4721] cleanup_mnt+0x3b8/0x46c [ 76.581877][ T4721] __cleanup_mnt+0x20/0x30 [ 76.582526][ T4721] task_work_run+0x12c/0x1d8 [ 76.583183][ T4721] do_notify_resume+0x2450/0x309c [ 76.583983][ T4721] el0_svc+0xf0/0x1d0 [ 76.584674][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 76.585517][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 76.586213][ T4721] irq event stamp: 215634 [ 76.586839][ T4721] hardirqs last enabled at (215633): [] finish_lock_switch+0xb0/0x1c4 [ 76.588337][ T4721] hardirqs last disabled at (215634): [] el1_dbg+0x24/0x80 [ 76.589628][ T4721] softirqs last enabled at (215292): [] local_bh_enable+0x10/0x34 [ 76.591192][ T4721] softirqs last disabled at (215290): [] local_bh_disable+0x10/0x34 [ 76.592755][ T4721] ---[ end trace 59faecd3d46a6db1 ]--- [ 76.638780][ T5039] EXT4-fs (loop0): Ignoring removed bh option [ 76.650840][ T5039] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 76.661762][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.663751][ T4721] ------------[ cut here ]------------ [ 76.664563][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.666129][ T4721] Modules linked in: [ 76.666800][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.668409][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.670133][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.671444][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.672527][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.673489][ T4721] sp : ffff80001fe86f80 [ 76.674187][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 76.675586][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 76.676938][ T4721] x23: ffff0000ecd9c868 x22: ffff0000d7f95820 x21: ffff0000ecd9c890 [ 76.678233][ T4721] x20: ffff0000d570a068 x19: ffff0000d570a000 x18: 0000000000000001 [ 76.679460][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 76.680672][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 76.681876][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 76.683169][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.684453][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 76.685804][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.687089][ T4721] Call trace: [ 76.687626][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.688576][ T4721] ext4_xattr_block_set+0x524/0x267c [ 76.689481][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.690427][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 76.691306][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 76.692186][ T4721] ext4_dirty_inode+0xd0/0x100 [ 76.692943][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 76.693735][ T4721] iput+0x1b0/0x764 [ 76.694410][ T4721] dentry_unlink_inode+0x360/0x438 [ 76.695317][ T4721] __dentry_kill+0x320/0x598 [ 76.696061][ T4721] shrink_dentry_list+0x400/0x7b8 [ 76.696925][ T4721] shrink_dcache_parent+0xb4/0x364 [ 76.697781][ T4721] do_one_tree+0x2c/0xf0 [ 76.698453][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 76.699312][ T4721] generic_shutdown_super+0x68/0x2f0 [ 76.700127][ T4721] kill_block_super+0x70/0xdc [ 76.700845][ T4721] deactivate_locked_super+0xb8/0x134 [ 76.701699][ T4721] deactivate_super+0xf0/0x110 [ 76.702485][ T4721] cleanup_mnt+0x3b8/0x46c [ 76.703165][ T4721] __cleanup_mnt+0x20/0x30 [ 76.703819][ T4721] task_work_run+0x12c/0x1d8 [ 76.704548][ T4721] do_notify_resume+0x2450/0x309c [ 76.705363][ T4721] el0_svc+0xf0/0x1d0 [ 76.705996][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 76.706876][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 76.707657][ T4721] irq event stamp: 220304 [ 76.708373][ T4721] hardirqs last enabled at (220303): [] __up_console_sem+0xb4/0xfc [ 76.709965][ T4721] hardirqs last disabled at (220304): [] el1_dbg+0x24/0x80 [ 76.711314][ T4721] softirqs last enabled at (219972): [] local_bh_enable+0x10/0x34 [ 76.712987][ T4721] softirqs last disabled at (219970): [] local_bh_disable+0x10/0x34 [ 76.714665][ T4721] ---[ end trace 59faecd3d46a6db2 ]--- [ 76.817256][ T5043] EXT4-fs (loop0): Ignoring removed bh option [ 76.828190][ T5043] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 76.839379][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 76.841278][ T4721] ------------[ cut here ]------------ [ 76.842178][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.843748][ T4721] Modules linked in: [ 76.844387][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.845725][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.847229][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.848572][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.849504][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 76.850380][ T4721] sp : ffff80001fe86f80 [ 76.851020][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 76.852311][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 76.853562][ T4721] x23: ffff0000e298b478 x22: ffff0000d1400020 x21: ffff0000e298b4a0 [ 76.854794][ T4721] x20: ffff0000dc1dc068 x19: ffff0000dc1dc000 x18: 0000000000000001 [ 76.856208][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 76.857510][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 76.858852][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 76.860148][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.861463][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 76.862720][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 76.864227][ T4721] Call trace: [ 76.864791][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 76.865806][ T4721] ext4_xattr_block_set+0x524/0x267c [ 76.866669][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 76.867654][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 76.868544][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 76.869424][ T4721] ext4_dirty_inode+0xd0/0x100 [ 76.870139][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 76.870902][ T4721] iput+0x1b0/0x764 [ 76.871526][ T4721] dentry_unlink_inode+0x360/0x438 [ 76.872275][ T4721] __dentry_kill+0x320/0x598 [ 76.872904][ T4721] shrink_dentry_list+0x400/0x7b8 [ 76.873646][ T4721] shrink_dcache_parent+0xb4/0x364 [ 76.874445][ T4721] do_one_tree+0x2c/0xf0 [ 76.875177][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 76.876138][ T4721] generic_shutdown_super+0x68/0x2f0 [ 76.877035][ T4721] kill_block_super+0x70/0xdc [ 76.877833][ T4721] deactivate_locked_super+0xb8/0x134 [ 76.878732][ T4721] deactivate_super+0xf0/0x110 [ 76.879543][ T4721] cleanup_mnt+0x3b8/0x46c [ 76.880303][ T4721] __cleanup_mnt+0x20/0x30 [ 76.881018][ T4721] task_work_run+0x12c/0x1d8 [ 76.881803][ T4721] do_notify_resume+0x2450/0x309c [ 76.882614][ T4721] el0_svc+0xf0/0x1d0 [ 76.883224][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 76.883994][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 76.884738][ T4721] irq event stamp: 225162 [ 76.885380][ T4721] hardirqs last enabled at (225161): [] __up_console_sem+0xb4/0xfc [ 76.887078][ T4721] hardirqs last disabled at (225162): [] el1_dbg+0x24/0x80 [ 76.888411][ T4721] softirqs last enabled at (224850): [] handle_softirqs+0xa40/0xbe4 [ 76.889931][ T4721] softirqs last disabled at (224839): [] __irq_exit_rcu+0x240/0x43c [ 76.891586][ T4721] ---[ end trace 59faecd3d46a6db3 ]--- [ 77.030462][ T5047] EXT4-fs (loop0): Ignoring removed bh option [ 77.047952][ T5047] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 77.060478][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.062443][ T4721] ------------[ cut here ]------------ [ 77.063343][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.064915][ T4721] Modules linked in: [ 77.065564][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.066995][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.068603][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.069940][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.070833][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.071820][ T4721] sp : ffff80001fe86f80 [ 77.072444][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 77.073649][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 77.075005][ T4721] x23: ffff0000e298dc58 x22: ffff0000ccfaf020 x21: ffff0000e298dc80 [ 77.076365][ T4721] x20: ffff0000e88c2068 x19: ffff0000e88c2000 x18: 0000000000000001 [ 77.077735][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.079101][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 77.080431][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 77.081719][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.083054][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 77.084453][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.085808][ T4721] Call trace: [ 77.086370][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.087241][ T4721] ext4_xattr_block_set+0x524/0x267c [ 77.088091][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.089094][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 77.090049][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 77.090946][ T4721] ext4_dirty_inode+0xd0/0x100 [ 77.091683][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 77.092515][ T4721] iput+0x1b0/0x764 [ 77.093128][ T4721] dentry_unlink_inode+0x360/0x438 [ 77.094001][ T4721] __dentry_kill+0x320/0x598 [ 77.094744][ T4721] shrink_dentry_list+0x400/0x7b8 [ 77.095552][ T4721] shrink_dcache_parent+0xb4/0x364 [ 77.096456][ T4721] do_one_tree+0x2c/0xf0 [ 77.097210][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 77.098127][ T4721] generic_shutdown_super+0x68/0x2f0 [ 77.099026][ T4721] kill_block_super+0x70/0xdc [ 77.099825][ T4721] deactivate_locked_super+0xb8/0x134 [ 77.100708][ T4721] deactivate_super+0xf0/0x110 [ 77.101555][ T4721] cleanup_mnt+0x3b8/0x46c [ 77.102306][ T4721] __cleanup_mnt+0x20/0x30 [ 77.103085][ T4721] task_work_run+0x12c/0x1d8 [ 77.103838][ T4721] do_notify_resume+0x2450/0x309c [ 77.104704][ T4721] el0_svc+0xf0/0x1d0 [ 77.105344][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 77.106164][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 77.106926][ T4721] irq event stamp: 231026 [ 77.107624][ T4721] hardirqs last enabled at (231025): [] __up_console_sem+0xb4/0xfc [ 77.109190][ T4721] hardirqs last disabled at (231026): [] el1_dbg+0x24/0x80 [ 77.110478][ T4721] softirqs last enabled at (230702): [] local_bh_enable+0x10/0x34 [ 77.112006][ T4721] softirqs last disabled at (230700): [] local_bh_disable+0x10/0x34 [ 77.113710][ T4721] ---[ end trace 59faecd3d46a6db4 ]--- [ 77.199880][ T5051] EXT4-fs (loop0): Ignoring removed bh option [ 77.208202][ T5051] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 77.219682][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.221721][ T4721] ------------[ cut here ]------------ [ 77.222630][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.224326][ T4721] Modules linked in: [ 77.224971][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.226331][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.227877][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.229050][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.230068][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.231013][ T4721] sp : ffff80001fe86f80 [ 77.231690][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 77.232967][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 77.234340][ T4721] x23: ffff0000e29e0c98 x22: ffff0000d6638020 x21: ffff0000e29e0cc0 [ 77.235654][ T4721] x20: ffff0000dc8a2068 x19: ffff0000dc8a2000 x18: 0000000000000001 [ 77.237036][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.238336][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 77.239759][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 77.241157][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.242412][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 77.243648][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.244838][ T4721] Call trace: [ 77.245338][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.246159][ T4721] ext4_xattr_block_set+0x524/0x267c [ 77.246955][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.247854][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 77.248669][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 77.249414][ T4721] ext4_dirty_inode+0xd0/0x100 [ 77.250090][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 77.250862][ T4721] iput+0x1b0/0x764 [ 77.251422][ T4721] dentry_unlink_inode+0x360/0x438 [ 77.252173][ T4721] __dentry_kill+0x320/0x598 [ 77.252818][ T4721] shrink_dentry_list+0x400/0x7b8 [ 77.253499][ T4721] shrink_dcache_parent+0xb4/0x364 [ 77.254198][ T4721] do_one_tree+0x2c/0xf0 [ 77.254803][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 77.255691][ T4721] generic_shutdown_super+0x68/0x2f0 [ 77.256664][ T4721] kill_block_super+0x70/0xdc [ 77.257439][ T4721] deactivate_locked_super+0xb8/0x134 [ 77.258284][ T4721] deactivate_super+0xf0/0x110 [ 77.259105][ T4721] cleanup_mnt+0x3b8/0x46c [ 77.259812][ T4721] __cleanup_mnt+0x20/0x30 [ 77.260563][ T4721] task_work_run+0x12c/0x1d8 [ 77.261378][ T4721] do_notify_resume+0x2450/0x309c [ 77.262227][ T4721] el0_svc+0xf0/0x1d0 [ 77.262883][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 77.263760][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 77.264519][ T4721] irq event stamp: 236164 [ 77.265186][ T4721] hardirqs last enabled at (236163): [] __up_console_sem+0xb4/0xfc [ 77.266706][ T4721] hardirqs last disabled at (236164): [] el1_dbg+0x24/0x80 [ 77.268186][ T4721] softirqs last enabled at (235832): [] local_bh_enable+0x10/0x34 [ 77.269772][ T4721] softirqs last disabled at (235830): [] local_bh_disable+0x10/0x34 [ 77.271217][ T4721] ---[ end trace 59faecd3d46a6db5 ]--- [ 77.348195][ T5055] EXT4-fs (loop0): Ignoring removed bh option [ 77.367937][ T5055] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 77.378657][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.380560][ T4721] ------------[ cut here ]------------ [ 77.381402][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.382965][ T4721] Modules linked in: [ 77.383583][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.385061][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.386714][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.388028][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.388980][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.389892][ T4721] sp : ffff80001fe86f80 [ 77.390658][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 77.392106][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 77.393427][ T4721] x23: ffff0000e29a9690 x22: ffff0000ce9ed820 x21: ffff0000e29a96b8 [ 77.394872][ T4721] x20: ffff0000d0a00068 x19: ffff0000d0a00000 x18: 0000000000000001 [ 77.396252][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.397632][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 77.399002][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 77.400397][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.401730][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 77.403134][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.404469][ T4721] Call trace: [ 77.405003][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.405963][ T4721] ext4_xattr_block_set+0x524/0x267c [ 77.406899][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.407865][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 77.408809][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 77.409708][ T4721] ext4_dirty_inode+0xd0/0x100 [ 77.410451][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 77.411243][ T4721] iput+0x1b0/0x764 [ 77.411822][ T4721] dentry_unlink_inode+0x360/0x438 [ 77.412691][ T4721] __dentry_kill+0x320/0x598 [ 77.413438][ T4721] shrink_dentry_list+0x400/0x7b8 [ 77.414331][ T4721] shrink_dcache_parent+0xb4/0x364 [ 77.415256][ T4721] do_one_tree+0x2c/0xf0 [ 77.415979][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 77.416827][ T4721] generic_shutdown_super+0x68/0x2f0 [ 77.417689][ T4721] kill_block_super+0x70/0xdc [ 77.418472][ T4721] deactivate_locked_super+0xb8/0x134 [ 77.419378][ T4721] deactivate_super+0xf0/0x110 [ 77.420138][ T4721] cleanup_mnt+0x3b8/0x46c [ 77.420945][ T4721] __cleanup_mnt+0x20/0x30 [ 77.421718][ T4721] task_work_run+0x12c/0x1d8 [ 77.422507][ T4721] do_notify_resume+0x2450/0x309c [ 77.423347][ T4721] el0_svc+0xf0/0x1d0 [ 77.424034][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 77.424910][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 77.425731][ T4721] irq event stamp: 241864 [ 77.426462][ T4721] hardirqs last enabled at (241863): [] __up_console_sem+0xb4/0xfc [ 77.428151][ T4721] hardirqs last disabled at (241864): [] el1_dbg+0x24/0x80 [ 77.429558][ T4721] softirqs last enabled at (241530): [] local_bh_enable+0x10/0x34 [ 77.431086][ T4721] softirqs last disabled at (241528): [] local_bh_disable+0x10/0x34 [ 77.432587][ T4721] ---[ end trace 59faecd3d46a6db6 ]--- [ 77.519166][ T5059] EXT4-fs (loop0): Ignoring removed bh option [ 77.528508][ T5059] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 77.537993][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.539832][ T4721] ------------[ cut here ]------------ [ 77.540657][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.542140][ T4721] Modules linked in: [ 77.542760][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.544203][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.545706][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.546935][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.547897][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.548905][ T4721] sp : ffff80001fe86f80 [ 77.549673][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 77.551079][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 77.552474][ T4721] x23: ffff0000e29e3e70 x22: ffff0000d67c9020 x21: ffff0000e29e3e98 [ 77.553895][ T4721] x20: ffff0000d60c4068 x19: ffff0000d60c4000 x18: 0000000000000001 [ 77.555295][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.556583][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 77.557869][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 77.559280][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.560646][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 77.561964][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.563196][ T4721] Call trace: [ 77.563733][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.564626][ T4721] ext4_xattr_block_set+0x524/0x267c [ 77.565519][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.566507][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 77.567425][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 77.568337][ T4721] ext4_dirty_inode+0xd0/0x100 [ 77.569097][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 77.569977][ T4721] iput+0x1b0/0x764 [ 77.570578][ T4721] dentry_unlink_inode+0x360/0x438 [ 77.571374][ T4721] __dentry_kill+0x320/0x598 [ 77.572130][ T4721] shrink_dentry_list+0x400/0x7b8 [ 77.572864][ T4721] shrink_dcache_parent+0xb4/0x364 [ 77.573680][ T4721] do_one_tree+0x2c/0xf0 [ 77.574309][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 77.575122][ T4721] generic_shutdown_super+0x68/0x2f0 [ 77.576074][ T4721] kill_block_super+0x70/0xdc [ 77.576862][ T4721] deactivate_locked_super+0xb8/0x134 [ 77.577724][ T4721] deactivate_super+0xf0/0x110 [ 77.578500][ T4721] cleanup_mnt+0x3b8/0x46c [ 77.579209][ T4721] __cleanup_mnt+0x20/0x30 [ 77.579915][ T4721] task_work_run+0x12c/0x1d8 [ 77.580652][ T4721] do_notify_resume+0x2450/0x309c [ 77.581462][ T4721] el0_svc+0xf0/0x1d0 [ 77.582091][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 77.582991][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 77.583782][ T4721] irq event stamp: 247488 [ 77.584553][ T4721] hardirqs last enabled at (247487): [] __up_console_sem+0xb4/0xfc [ 77.586092][ T4721] hardirqs last disabled at (247488): [] el1_dbg+0x24/0x80 [ 77.587503][ T4721] softirqs last enabled at (247150): [] local_bh_enable+0x10/0x34 [ 77.589177][ T4721] softirqs last disabled at (247148): [] local_bh_disable+0x10/0x34 [ 77.590801][ T4721] ---[ end trace 59faecd3d46a6db7 ]--- [ 77.699326][ T5063] EXT4-fs (loop0): Ignoring removed bh option [ 77.707906][ T5063] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 77.722258][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.724165][ T4721] ------------[ cut here ]------------ [ 77.725017][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.726636][ T4721] Modules linked in: [ 77.727280][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.728683][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.730246][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.731470][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.732367][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.733435][ T4721] sp : ffff80001fe86f80 [ 77.734214][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 77.735630][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 77.737064][ T4721] x23: ffff0000e29e5c58 x22: ffff0000d82cf820 x21: ffff0000e29e5c80 [ 77.738411][ T4721] x20: ffff0000d78ec068 x19: ffff0000d78ec000 x18: 0000000000000001 [ 77.739733][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.741027][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 77.742292][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 77.743719][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.744984][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 77.746309][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.747733][ T4721] Call trace: [ 77.748368][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.749239][ T4721] ext4_xattr_block_set+0x524/0x267c [ 77.750116][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.751057][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 77.752038][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 77.753024][ T4721] ext4_dirty_inode+0xd0/0x100 [ 77.753815][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 77.754641][ T4721] iput+0x1b0/0x764 [ 77.755283][ T4721] dentry_unlink_inode+0x360/0x438 [ 77.756132][ T4721] __dentry_kill+0x320/0x598 [ 77.756896][ T4721] shrink_dentry_list+0x400/0x7b8 [ 77.757707][ T4721] shrink_dcache_parent+0xb4/0x364 [ 77.758598][ T4721] do_one_tree+0x2c/0xf0 [ 77.759281][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 77.760163][ T4721] generic_shutdown_super+0x68/0x2f0 [ 77.761014][ T4721] kill_block_super+0x70/0xdc [ 77.761798][ T4721] deactivate_locked_super+0xb8/0x134 [ 77.762736][ T4721] deactivate_super+0xf0/0x110 [ 77.763507][ T4721] cleanup_mnt+0x3b8/0x46c [ 77.764256][ T4721] __cleanup_mnt+0x20/0x30 [ 77.764987][ T4721] task_work_run+0x12c/0x1d8 [ 77.765767][ T4721] do_notify_resume+0x2450/0x309c [ 77.766638][ T4721] el0_svc+0xf0/0x1d0 [ 77.767328][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 77.768199][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 77.768980][ T4721] irq event stamp: 252746 [ 77.769727][ T4721] hardirqs last enabled at (252745): [] __up_console_sem+0xb4/0xfc [ 77.771398][ T4721] hardirqs last disabled at (252746): [] el1_dbg+0x24/0x80 [ 77.772819][ T4721] softirqs last enabled at (252398): [] local_bh_enable+0x10/0x34 [ 77.774493][ T4721] softirqs last disabled at (252396): [] local_bh_disable+0x10/0x34 [ 77.776160][ T4721] ---[ end trace 59faecd3d46a6db8 ]--- [ 77.878643][ T5067] EXT4-fs (loop0): Ignoring removed bh option [ 77.888045][ T5067] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 77.904188][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 77.906117][ T4721] ------------[ cut here ]------------ [ 77.906993][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.908607][ T4721] Modules linked in: [ 77.909239][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.910809][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.912471][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.913755][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.914640][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 77.915626][ T4721] sp : ffff80001fe86f80 [ 77.916316][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 77.917649][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 77.919059][ T4721] x23: ffff0000e29e6650 x22: ffff0000cea27820 x21: ffff0000e29e6678 [ 77.920407][ T4721] x20: ffff0000de28a068 x19: ffff0000de28a000 x18: 0000000000000001 [ 77.921731][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.923084][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 77.924422][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 77.925706][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.927029][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 77.928292][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 77.929634][ T4721] Call trace: [ 77.930197][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 77.931081][ T4721] ext4_xattr_block_set+0x524/0x267c [ 77.931926][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 77.932914][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 77.933803][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 77.934669][ T4721] ext4_dirty_inode+0xd0/0x100 [ 77.935392][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 77.936165][ T4721] iput+0x1b0/0x764 [ 77.936774][ T4721] dentry_unlink_inode+0x360/0x438 [ 77.937575][ T4721] __dentry_kill+0x320/0x598 [ 77.938262][ T4721] shrink_dentry_list+0x400/0x7b8 [ 77.938983][ T4721] shrink_dcache_parent+0xb4/0x364 [ 77.939819][ T4721] do_one_tree+0x2c/0xf0 [ 77.940466][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 77.941303][ T4721] generic_shutdown_super+0x68/0x2f0 [ 77.942127][ T4721] kill_block_super+0x70/0xdc [ 77.942904][ T4721] deactivate_locked_super+0xb8/0x134 [ 77.943789][ T4721] deactivate_super+0xf0/0x110 [ 77.944559][ T4721] cleanup_mnt+0x3b8/0x46c [ 77.945237][ T4721] __cleanup_mnt+0x20/0x30 [ 77.945903][ T4721] task_work_run+0x12c/0x1d8 [ 77.946598][ T4721] do_notify_resume+0x2450/0x309c [ 77.947382][ T4721] el0_svc+0xf0/0x1d0 [ 77.948013][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 77.948797][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 77.949472][ T4721] irq event stamp: 257906 [ 77.950164][ T4721] hardirqs last enabled at (257905): [] __up_console_sem+0xb4/0xfc [ 77.951703][ T4721] hardirqs last disabled at (257906): [] el1_dbg+0x24/0x80 [ 77.953060][ T4721] softirqs last enabled at (257560): [] local_bh_enable+0x10/0x34 [ 77.954472][ T4721] softirqs last disabled at (257558): [] local_bh_disable+0x10/0x34 [ 77.955994][ T4721] ---[ end trace 59faecd3d46a6db9 ]--- [ 78.097469][ T5071] EXT4-fs (loop0): Ignoring removed bh option [ 78.108603][ T5071] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 78.118075][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.120017][ T4721] ------------[ cut here ]------------ [ 78.120836][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.122317][ T4721] Modules linked in: [ 78.122934][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.124317][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.125852][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.127060][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.127962][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.128868][ T4721] sp : ffff80001fe86f80 [ 78.129513][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 78.130815][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 78.132170][ T4721] x23: ffff0000dd3d2088 x22: ffff0000dc147020 x21: ffff0000dd3d20b0 [ 78.133491][ T4721] x20: ffff0000cfe44068 x19: ffff0000cfe44000 x18: 0000000000000001 [ 78.134815][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 78.136124][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 78.137554][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 78.138865][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.140099][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 78.141363][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.142636][ T4721] Call trace: [ 78.143156][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.144031][ T4721] ext4_xattr_block_set+0x524/0x267c [ 78.144854][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.145748][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 78.146626][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 78.147474][ T4721] ext4_dirty_inode+0xd0/0x100 [ 78.148181][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 78.148959][ T4721] iput+0x1b0/0x764 [ 78.149528][ T4721] dentry_unlink_inode+0x360/0x438 [ 78.150319][ T4721] __dentry_kill+0x320/0x598 [ 78.151131][ T4721] shrink_dentry_list+0x400/0x7b8 [ 78.151879][ T4721] shrink_dcache_parent+0xb4/0x364 [ 78.152704][ T4721] do_one_tree+0x2c/0xf0 [ 78.153365][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 78.154207][ T4721] generic_shutdown_super+0x68/0x2f0 [ 78.155035][ T4721] kill_block_super+0x70/0xdc [ 78.155914][ T4721] deactivate_locked_super+0xb8/0x134 [ 78.156807][ T4721] deactivate_super+0xf0/0x110 [ 78.157654][ T4721] cleanup_mnt+0x3b8/0x46c [ 78.158394][ T4721] __cleanup_mnt+0x20/0x30 [ 78.159202][ T4721] task_work_run+0x12c/0x1d8 [ 78.159980][ T4721] do_notify_resume+0x2450/0x309c [ 78.160808][ T4721] el0_svc+0xf0/0x1d0 [ 78.161480][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 78.162325][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 78.163055][ T4721] irq event stamp: 262856 [ 78.163802][ T4721] hardirqs last enabled at (262855): [] __up_console_sem+0xb4/0xfc [ 78.165512][ T4721] hardirqs last disabled at (262856): [] el1_dbg+0x24/0x80 [ 78.166983][ T4721] softirqs last enabled at (262518): [] local_bh_enable+0x10/0x34 [ 78.168560][ T4721] softirqs last disabled at (262516): [] local_bh_disable+0x10/0x34 [ 78.169993][ T4721] ---[ end trace 59faecd3d46a6dba ]--- [ 78.244458][ T5075] set_capacity_and_notify: 18 callbacks suppressed [ 78.244467][ T5075] loop0: detected capacity change from 0 to 1024 [ 78.331322][ T5075] EXT4-fs (loop0): Ignoring removed bh option [ 78.337631][ T5075] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 78.347611][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.349570][ T4721] ------------[ cut here ]------------ [ 78.350434][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.352060][ T4721] Modules linked in: [ 78.352691][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.354089][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.355646][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.356847][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.357846][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.358873][ T4721] sp : ffff80001fe86f80 [ 78.359540][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 78.360863][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 78.362254][ T4721] x23: ffff0000dd3d5260 x22: ffff0000d86c1820 x21: ffff0000dd3d5288 [ 78.363576][ T4721] x20: ffff0000d167a068 x19: ffff0000d167a000 x18: 0000000000000001 [ 78.364876][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 78.366119][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 78.367358][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 78.368609][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.369803][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 78.371041][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.372238][ T4721] Call trace: [ 78.372788][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.373699][ T4721] ext4_xattr_block_set+0x524/0x267c [ 78.374552][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.375494][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 78.376443][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 78.377344][ T4721] ext4_dirty_inode+0xd0/0x100 [ 78.378131][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 78.378977][ T4721] iput+0x1b0/0x764 [ 78.379641][ T4721] dentry_unlink_inode+0x360/0x438 [ 78.380459][ T4721] __dentry_kill+0x320/0x598 [ 78.381153][ T4721] shrink_dentry_list+0x400/0x7b8 [ 78.381981][ T4721] shrink_dcache_parent+0xb4/0x364 [ 78.382803][ T4721] do_one_tree+0x2c/0xf0 [ 78.383471][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 78.384282][ T4721] generic_shutdown_super+0x68/0x2f0 [ 78.385136][ T4721] kill_block_super+0x70/0xdc [ 78.385879][ T4721] deactivate_locked_super+0xb8/0x134 [ 78.386790][ T4721] deactivate_super+0xf0/0x110 1970/01/01 00:01:18 executed programs: 31 [ 78.387581][ T4721] cleanup_mnt+0x3b8/0x46c [ 78.388297][ T4721] __cleanup_mnt+0x20/0x30 [ 78.389047][ T4721] task_work_run+0x12c/0x1d8 [ 78.389841][ T4721] do_notify_resume+0x2450/0x309c [ 78.390721][ T4721] el0_svc+0xf0/0x1d0 [ 78.391413][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 78.392156][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 78.392827][ T4721] irq event stamp: 267804 [ 78.393496][ T4721] hardirqs last enabled at (267803): [] __up_console_sem+0xb4/0xfc [ 78.394976][ T4721] hardirqs last disabled at (267804): [] el1_dbg+0x24/0x80 [ 78.396283][ T4721] softirqs last enabled at (267466): [] local_bh_enable+0x10/0x34 [ 78.397698][ T4721] softirqs last disabled at (267464): [] local_bh_disable+0x10/0x34 [ 78.399188][ T4721] ---[ end trace 59faecd3d46a6dbb ]--- [ 78.469579][ T5079] loop0: detected capacity change from 0 to 1024 [ 78.509558][ T5079] EXT4-fs (loop0): Ignoring removed bh option [ 78.517908][ T5079] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 78.530627][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.532684][ T4721] ------------[ cut here ]------------ [ 78.533616][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.535310][ T4721] Modules linked in: [ 78.535958][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.537333][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.538928][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.540130][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.541061][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.541957][ T4721] sp : ffff80001fe86f80 [ 78.542655][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 78.543902][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 78.545259][ T4721] x23: ffff0000dd3d7048 x22: ffff0000ce992820 x21: ffff0000dd3d7070 [ 78.546571][ T4721] x20: ffff0000d743c068 x19: ffff0000d743c000 x18: 0000000000000001 [ 78.547997][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 78.549393][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 78.550732][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 78.551977][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.553178][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 78.554383][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.555787][ T4721] Call trace: [ 78.556313][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.557241][ T4721] ext4_xattr_block_set+0x524/0x267c [ 78.558203][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.559211][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 78.560203][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 78.561148][ T4721] ext4_dirty_inode+0xd0/0x100 [ 78.561923][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 78.562726][ T4721] iput+0x1b0/0x764 [ 78.563387][ T4721] dentry_unlink_inode+0x360/0x438 [ 78.564213][ T4721] __dentry_kill+0x320/0x598 [ 78.564968][ T4721] shrink_dentry_list+0x400/0x7b8 [ 78.565818][ T4721] shrink_dcache_parent+0xb4/0x364 [ 78.566720][ T4721] do_one_tree+0x2c/0xf0 [ 78.567455][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 78.568341][ T4721] generic_shutdown_super+0x68/0x2f0 [ 78.569205][ T4721] kill_block_super+0x70/0xdc [ 78.569984][ T4721] deactivate_locked_super+0xb8/0x134 [ 78.570884][ T4721] deactivate_super+0xf0/0x110 [ 78.571628][ T4721] cleanup_mnt+0x3b8/0x46c [ 78.572340][ T4721] __cleanup_mnt+0x20/0x30 [ 78.573061][ T4721] task_work_run+0x12c/0x1d8 [ 78.573769][ T4721] do_notify_resume+0x2450/0x309c [ 78.574524][ T4721] el0_svc+0xf0/0x1d0 [ 78.575193][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 78.575968][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 78.576722][ T4721] irq event stamp: 273788 [ 78.577444][ T4721] hardirqs last enabled at (273787): [] __up_console_sem+0xb4/0xfc [ 78.579127][ T4721] hardirqs last disabled at (273788): [] el1_dbg+0x24/0x80 [ 78.580630][ T4721] softirqs last enabled at (273450): [] local_bh_enable+0x10/0x34 [ 78.582216][ T4721] softirqs last disabled at (273448): [] local_bh_disable+0x10/0x34 [ 78.583697][ T4721] ---[ end trace 59faecd3d46a6dbc ]--- [ 78.638628][ T5083] loop0: detected capacity change from 0 to 1024 [ 78.678082][ T5083] EXT4-fs (loop0): Ignoring removed bh option [ 78.690999][ T5083] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 78.704222][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.706111][ T4721] ------------[ cut here ]------------ [ 78.706950][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.708543][ T4721] Modules linked in: [ 78.709204][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.710707][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.712389][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.713741][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.714672][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.715732][ T4721] sp : ffff80001fe86f80 [ 78.716433][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 78.717762][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 78.719093][ T4721] x23: ffff0000e2a02088 x22: ffff0000c8422820 x21: ffff0000e2a020b0 [ 78.720511][ T4721] x20: ffff0000dc822068 x19: ffff0000dc822000 x18: 1fffe000341f0596 [ 78.721841][ T4721] x17: 1fffe000341f0596 x16: ffff80001125a830 x15: ffff80001433ed40 [ 78.723150][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 78.724535][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 78.725872][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 78.727207][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 78.728519][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.729861][ T4721] Call trace: [ 78.730405][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.731274][ T4721] ext4_xattr_block_set+0x524/0x267c [ 78.732036][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.732887][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 78.733833][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 78.734777][ T4721] ext4_dirty_inode+0xd0/0x100 [ 78.735576][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 78.736414][ T4721] iput+0x1b0/0x764 [ 78.737086][ T4721] dentry_unlink_inode+0x360/0x438 [ 78.737944][ T4721] __dentry_kill+0x320/0x598 [ 78.738770][ T4721] shrink_dentry_list+0x400/0x7b8 [ 78.739655][ T4721] shrink_dcache_parent+0xb4/0x364 [ 78.740556][ T4721] do_one_tree+0x2c/0xf0 [ 78.741267][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 78.742143][ T4721] generic_shutdown_super+0x68/0x2f0 [ 78.743067][ T4721] kill_block_super+0x70/0xdc [ 78.743877][ T4721] deactivate_locked_super+0xb8/0x134 [ 78.744811][ T4721] deactivate_super+0xf0/0x110 [ 78.745634][ T4721] cleanup_mnt+0x3b8/0x46c [ 78.746366][ T4721] __cleanup_mnt+0x20/0x30 [ 78.747091][ T4721] task_work_run+0x12c/0x1d8 [ 78.747824][ T4721] do_notify_resume+0x2450/0x309c [ 78.748714][ T4721] el0_svc+0xf0/0x1d0 [ 78.749377][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 78.750226][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 78.750946][ T4721] irq event stamp: 279582 [ 78.751669][ T4721] hardirqs last enabled at (279581): [] finish_lock_switch+0xb0/0x1c4 [ 78.753211][ T4721] hardirqs last disabled at (279582): [] el1_dbg+0x24/0x80 [ 78.754597][ T4721] softirqs last enabled at (279244): [] local_bh_enable+0x10/0x34 [ 78.756006][ T4721] softirqs last disabled at (279242): [] local_bh_disable+0x10/0x34 [ 78.757668][ T4721] ---[ end trace 59faecd3d46a6dbd ]--- [ 78.799266][ T5087] loop0: detected capacity change from 0 to 1024 [ 78.848013][ T5087] EXT4-fs (loop0): Ignoring removed bh option [ 78.862268][ T5087] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 78.872769][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 78.874676][ T4721] ------------[ cut here ]------------ [ 78.875572][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.877116][ T4721] Modules linked in: [ 78.877721][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.879112][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.880714][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.882067][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.882997][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 78.883913][ T4721] sp : ffff80001fe86f80 [ 78.884577][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 78.885765][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 78.887076][ T4721] x23: ffff0000e2a04868 x22: ffff0000ce290020 x21: ffff0000e2a04890 [ 78.888336][ T4721] x20: ffff0000d0596068 x19: ffff0000d0596000 x18: 0000000000000001 [ 78.889534][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 78.890737][ T4721] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 78.891970][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 78.893249][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.894626][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 78.895995][ T4721] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 78.897349][ T4721] Call trace: [ 78.897890][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 78.898874][ T4721] ext4_xattr_block_set+0x524/0x267c [ 78.899835][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 78.900858][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 78.901779][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 78.902605][ T4721] ext4_dirty_inode+0xd0/0x100 [ 78.903402][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 78.904218][ T4721] iput+0x1b0/0x764 [ 78.904833][ T4721] dentry_unlink_inode+0x360/0x438 [ 78.905758][ T4721] __dentry_kill+0x320/0x598 [ 78.906575][ T4721] shrink_dentry_list+0x400/0x7b8 [ 78.907455][ T4721] shrink_dcache_parent+0xb4/0x364 [ 78.908341][ T4721] do_one_tree+0x2c/0xf0 [ 78.909057][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 78.910005][ T4721] generic_shutdown_super+0x68/0x2f0 [ 78.910853][ T4721] kill_block_super+0x70/0xdc [ 78.911585][ T4721] deactivate_locked_super+0xb8/0x134 [ 78.912438][ T4721] deactivate_super+0xf0/0x110 [ 78.913241][ T4721] cleanup_mnt+0x3b8/0x46c [ 78.914010][ T4721] __cleanup_mnt+0x20/0x30 [ 78.914756][ T4721] task_work_run+0x12c/0x1d8 [ 78.915575][ T4721] do_notify_resume+0x2450/0x309c [ 78.916464][ T4721] el0_svc+0xf0/0x1d0 [ 78.917113][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 78.917978][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 78.918720][ T4721] irq event stamp: 285724 [ 78.919405][ T4721] hardirqs last enabled at (285723): [] __up_console_sem+0xb4/0xfc [ 78.920939][ T4721] hardirqs last disabled at (285724): [] el1_dbg+0x24/0x80 [ 78.922491][ T4721] softirqs last enabled at (285378): [] local_bh_enable+0x10/0x34 [ 78.924071][ T4721] softirqs last disabled at (285376): [] local_bh_disable+0x10/0x34 [ 78.925694][ T4721] ---[ end trace 59faecd3d46a6dbe ]--- [ 78.987704][ T5091] loop0: detected capacity change from 0 to 1024 [ 78.990322][ T5091] EXT4-fs (loop0): Ignoring removed bh option [ 79.007849][ T5091] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 79.029227][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.031149][ T4721] ------------[ cut here ]------------ [ 79.032042][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.033842][ T4721] Modules linked in: [ 79.034493][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.035958][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.037668][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.039020][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.039988][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.040942][ T4721] sp : ffff80001fe86f80 [ 79.041622][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 79.042977][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 79.044360][ T4721] x23: ffff0000ecc902a0 x22: ffff0000c86d4820 x21: ffff0000ecc902c8 [ 79.045691][ T4721] x20: ffff0000d33e4068 x19: ffff0000d33e4000 x18: 0000000000000001 [ 79.046972][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 79.048254][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 79.049606][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 79.050913][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.052021][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 79.053236][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.054586][ T4721] Call trace: [ 79.055180][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.056138][ T4721] ext4_xattr_block_set+0x524/0x267c [ 79.057035][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.058038][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 79.058992][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 79.059943][ T4721] ext4_dirty_inode+0xd0/0x100 [ 79.060732][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 79.061520][ T4721] iput+0x1b0/0x764 [ 79.062172][ T4721] dentry_unlink_inode+0x360/0x438 [ 79.062990][ T4721] __dentry_kill+0x320/0x598 [ 79.063699][ T4721] shrink_dentry_list+0x400/0x7b8 [ 79.064590][ T4721] shrink_dcache_parent+0xb4/0x364 [ 79.065459][ T4721] do_one_tree+0x2c/0xf0 [ 79.066223][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 79.067162][ T4721] generic_shutdown_super+0x68/0x2f0 [ 79.068034][ T4721] kill_block_super+0x70/0xdc [ 79.068752][ T4721] deactivate_locked_super+0xb8/0x134 [ 79.069716][ T4721] deactivate_super+0xf0/0x110 [ 79.070569][ T4721] cleanup_mnt+0x3b8/0x46c [ 79.071322][ T4721] __cleanup_mnt+0x20/0x30 [ 79.072110][ T4721] task_work_run+0x12c/0x1d8 [ 79.072919][ T4721] do_notify_resume+0x2450/0x309c [ 79.073774][ T4721] el0_svc+0xf0/0x1d0 [ 79.074468][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 79.075258][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 79.075979][ T4721] irq event stamp: 290866 [ 79.076670][ T4721] hardirqs last enabled at (290865): [] __up_console_sem+0xb4/0xfc [ 79.078236][ T4721] hardirqs last disabled at (290866): [] el1_dbg+0x24/0x80 [ 79.079627][ T4721] softirqs last enabled at (290548): [] local_bh_enable+0x10/0x34 [ 79.081084][ T4721] softirqs last disabled at (290546): [] local_bh_disable+0x10/0x34 [ 79.082540][ T4721] ---[ end trace 59faecd3d46a6dbf ]--- [ 79.158534][ T5095] loop0: detected capacity change from 0 to 1024 [ 79.207756][ T5095] EXT4-fs (loop0): Ignoring removed bh option [ 79.218472][ T5095] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 79.231166][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.233165][ T4721] ------------[ cut here ]------------ [ 79.233950][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.235397][ T4721] Modules linked in: [ 79.236066][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.237554][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.239321][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.240690][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.241677][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.242664][ T4721] sp : ffff80001fe86f80 [ 79.243377][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 79.244722][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 79.245997][ T4721] x23: ffff0000ecc91690 x22: ffff0000d91f3020 x21: ffff0000ecc916b8 [ 79.247275][ T4721] x20: ffff0000d636e068 x19: ffff0000d636e000 x18: 1fffe000341f4796 [ 79.248562][ T4721] x17: 1fffe000341f4796 x16: ffff80001125a830 x15: ffff80001433ed40 [ 79.249817][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 79.251066][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 79.252405][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 79.253703][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 79.255049][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.256482][ T4721] Call trace: [ 79.257089][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.257986][ T4721] ext4_xattr_block_set+0x524/0x267c [ 79.258885][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.259843][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 79.260849][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 79.261815][ T4721] ext4_dirty_inode+0xd0/0x100 [ 79.262654][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 79.263498][ T4721] iput+0x1b0/0x764 [ 79.264139][ T4721] dentry_unlink_inode+0x360/0x438 [ 79.265024][ T4721] __dentry_kill+0x320/0x598 [ 79.265833][ T4721] shrink_dentry_list+0x400/0x7b8 [ 79.266662][ T4721] shrink_dcache_parent+0xb4/0x364 [ 79.267584][ T4721] do_one_tree+0x2c/0xf0 [ 79.268297][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 79.269254][ T4721] generic_shutdown_super+0x68/0x2f0 [ 79.270183][ T4721] kill_block_super+0x70/0xdc [ 79.270953][ T4721] deactivate_locked_super+0xb8/0x134 [ 79.271884][ T4721] deactivate_super+0xf0/0x110 [ 79.272748][ T4721] cleanup_mnt+0x3b8/0x46c [ 79.273489][ T4721] __cleanup_mnt+0x20/0x30 [ 79.274225][ T4721] task_work_run+0x12c/0x1d8 [ 79.275028][ T4721] do_notify_resume+0x2450/0x309c [ 79.275886][ T4721] el0_svc+0xf0/0x1d0 [ 79.276510][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 79.277347][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 79.278132][ T4721] irq event stamp: 296562 [ 79.278884][ T4721] hardirqs last enabled at (296561): [] finish_lock_switch+0xb0/0x1c4 [ 79.280464][ T4721] hardirqs last disabled at (296562): [] el1_dbg+0x24/0x80 [ 79.282024][ T4721] softirqs last enabled at (296238): [] local_bh_enable+0x10/0x34 [ 79.283703][ T4721] softirqs last disabled at (296236): [] local_bh_disable+0x10/0x34 [ 79.285271][ T4721] ---[ end trace 59faecd3d46a6dc0 ]--- [ 79.328011][ T5099] loop0: detected capacity change from 0 to 1024 [ 79.407388][ T5099] EXT4-fs (loop0): Ignoring removed bh option [ 79.419164][ T5099] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 79.430680][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.433087][ T4721] ------------[ cut here ]------------ [ 79.433950][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.435530][ T4721] Modules linked in: [ 79.436256][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.437774][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.439532][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.440730][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.441630][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.442465][ T4721] sp : ffff80001fe86f80 [ 79.443199][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 79.444494][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 79.445764][ T4721] x23: ffff0000e2b75260 x22: ffff0000cd2e9020 x21: ffff0000e2b75288 [ 79.447107][ T4721] x20: ffff0000cd5cc068 x19: ffff0000cd5cc000 x18: 0000000000000002 [ 79.448525][ T4721] x17: 0000000040000000 x16: ffff80001125a830 x15: 0000000000000002 [ 79.449847][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 79.451072][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 79.452438][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 79.453796][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 79.455072][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.456443][ T4721] Call trace: [ 79.456947][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.457830][ T4721] ext4_xattr_block_set+0x524/0x267c [ 79.458655][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.459573][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 79.460538][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 79.461534][ T4721] ext4_dirty_inode+0xd0/0x100 [ 79.462312][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 79.463167][ T4721] iput+0x1b0/0x764 [ 79.463783][ T4721] dentry_unlink_inode+0x360/0x438 [ 79.464861][ T4721] __dentry_kill+0x320/0x598 [ 79.465673][ T4721] shrink_dentry_list+0x400/0x7b8 [ 79.466542][ T4721] shrink_dcache_parent+0xb4/0x364 [ 79.467395][ T4721] do_one_tree+0x2c/0xf0 [ 79.468089][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 79.468983][ T4721] generic_shutdown_super+0x68/0x2f0 [ 79.469904][ T4721] kill_block_super+0x70/0xdc [ 79.470657][ T4721] deactivate_locked_super+0xb8/0x134 [ 79.471591][ T4721] deactivate_super+0xf0/0x110 [ 79.472377][ T4721] cleanup_mnt+0x3b8/0x46c [ 79.473097][ T4721] __cleanup_mnt+0x20/0x30 [ 79.473855][ T4721] task_work_run+0x12c/0x1d8 [ 79.474590][ T4721] do_notify_resume+0x2450/0x309c [ 79.475443][ T4721] el0_svc+0xf0/0x1d0 [ 79.476109][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 79.477008][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 79.477793][ T4721] irq event stamp: 301674 [ 79.478560][ T4721] hardirqs last enabled at (301673): [] finish_lock_switch+0xb0/0x1c4 [ 79.480168][ T4721] hardirqs last disabled at (301674): [] el1_dbg+0x24/0x80 [ 79.481559][ T4721] softirqs last enabled at (301336): [] local_bh_enable+0x10/0x34 [ 79.483143][ T4721] softirqs last disabled at (301334): [] local_bh_disable+0x10/0x34 [ 79.484724][ T4721] ---[ end trace 59faecd3d46a6dc1 ]--- [ 79.528858][ T5103] loop0: detected capacity change from 0 to 1024 [ 79.567933][ T5103] EXT4-fs (loop0): Ignoring removed bh option [ 79.578282][ T5103] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 79.588920][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.590917][ T4721] ------------[ cut here ]------------ [ 79.591795][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.593346][ T4721] Modules linked in: [ 79.594056][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.595467][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.597066][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.598382][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.599350][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.600321][ T4721] sp : ffff80001fe86f80 [ 79.601050][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 79.602395][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 79.603677][ T4721] x23: ffff0000e2a90c98 x22: ffff0000e8553020 x21: ffff0000e2a90cc0 [ 79.604968][ T4721] x20: ffff0000ecb30068 x19: ffff0000ecb30000 x18: 0000000000000001 [ 79.606327][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 79.607632][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 79.608903][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 79.610271][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.611779][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 79.613095][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.614494][ T4721] Call trace: [ 79.615067][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.615971][ T4721] ext4_xattr_block_set+0x524/0x267c [ 79.616815][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.617863][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 79.618757][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 79.619682][ T4721] ext4_dirty_inode+0xd0/0x100 [ 79.620416][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 79.621245][ T4721] iput+0x1b0/0x764 [ 79.621914][ T4721] dentry_unlink_inode+0x360/0x438 [ 79.622749][ T4721] __dentry_kill+0x320/0x598 [ 79.623723][ T4721] shrink_dentry_list+0x400/0x7b8 [ 79.624548][ T4721] shrink_dcache_parent+0xb4/0x364 [ 79.625450][ T4721] do_one_tree+0x2c/0xf0 [ 79.626095][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 79.626976][ T4721] generic_shutdown_super+0x68/0x2f0 [ 79.627918][ T4721] kill_block_super+0x70/0xdc [ 79.628716][ T4721] deactivate_locked_super+0xb8/0x134 [ 79.629665][ T4721] deactivate_super+0xf0/0x110 [ 79.630552][ T4721] cleanup_mnt+0x3b8/0x46c [ 79.631273][ T4721] __cleanup_mnt+0x20/0x30 [ 79.631971][ T4721] task_work_run+0x12c/0x1d8 [ 79.632810][ T4721] do_notify_resume+0x2450/0x309c [ 79.633622][ T4721] el0_svc+0xf0/0x1d0 [ 79.634225][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 79.635098][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 79.635938][ T4721] irq event stamp: 307152 [ 79.636684][ T4721] hardirqs last enabled at (307151): [] __up_console_sem+0xb4/0xfc [ 79.638221][ T4721] hardirqs last disabled at (307152): [] el1_dbg+0x24/0x80 [ 79.639747][ T4721] softirqs last enabled at (306806): [] local_bh_enable+0x10/0x34 [ 79.641335][ T4721] softirqs last disabled at (306804): [] local_bh_disable+0x10/0x34 [ 79.643007][ T4721] ---[ end trace 59faecd3d46a6dc2 ]--- [ 79.677911][ T5107] loop0: detected capacity change from 0 to 1024 [ 79.779413][ T5107] EXT4-fs (loop0): Ignoring removed bh option [ 79.797737][ T5107] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 79.810025][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.811745][ T4721] ------------[ cut here ]------------ [ 79.812586][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.814156][ T4721] Modules linked in: [ 79.814771][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.816118][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.817732][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.818930][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.819977][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.821014][ T4721] sp : ffff80001fe86f80 [ 79.821764][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 79.823170][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 79.824513][ T4721] x23: ffff0000ecc93e70 x22: ffff0000dbed7020 x21: ffff0000ecc93e98 [ 79.825858][ T4721] x20: ffff0000d1104068 x19: ffff0000d1104000 x18: 0000000000000001 [ 79.827265][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 79.828648][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 79.829986][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 79.831400][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.832688][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 79.834002][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.835278][ T4721] Call trace: [ 79.835758][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.836652][ T4721] ext4_xattr_block_set+0x524/0x267c [ 79.837541][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.838461][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 79.839331][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 79.840199][ T4721] ext4_dirty_inode+0xd0/0x100 [ 79.841002][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 79.841818][ T4721] iput+0x1b0/0x764 [ 79.842443][ T4721] dentry_unlink_inode+0x360/0x438 [ 79.843299][ T4721] __dentry_kill+0x320/0x598 [ 79.844043][ T4721] shrink_dentry_list+0x400/0x7b8 [ 79.844861][ T4721] shrink_dcache_parent+0xb4/0x364 [ 79.845738][ T4721] do_one_tree+0x2c/0xf0 [ 79.846443][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 79.847339][ T4721] generic_shutdown_super+0x68/0x2f0 [ 79.848246][ T4721] kill_block_super+0x70/0xdc [ 79.849012][ T4721] deactivate_locked_super+0xb8/0x134 [ 79.849911][ T4721] deactivate_super+0xf0/0x110 [ 79.850751][ T4721] cleanup_mnt+0x3b8/0x46c [ 79.851495][ T4721] __cleanup_mnt+0x20/0x30 [ 79.852281][ T4721] task_work_run+0x12c/0x1d8 [ 79.853021][ T4721] do_notify_resume+0x2450/0x309c [ 79.853800][ T4721] el0_svc+0xf0/0x1d0 [ 79.854541][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 79.855490][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 79.856308][ T4721] irq event stamp: 312124 [ 79.857043][ T4721] hardirqs last enabled at (312123): [] __up_console_sem+0xb4/0xfc [ 79.858621][ T4721] hardirqs last disabled at (312124): [] el1_dbg+0x24/0x80 [ 79.860072][ T4721] softirqs last enabled at (311786): [] local_bh_enable+0x10/0x34 [ 79.861632][ T4721] softirqs last disabled at (311784): [] local_bh_disable+0x10/0x34 [ 79.863240][ T4721] ---[ end trace 59faecd3d46a6dc3 ]--- [ 79.929453][ T5111] loop0: detected capacity change from 0 to 1024 [ 79.935984][ T5111] EXT4-fs (loop0): Ignoring removed bh option [ 79.948276][ T5111] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 79.958192][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 79.960134][ T4721] ------------[ cut here ]------------ [ 79.961038][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.962627][ T4721] Modules linked in: [ 79.963219][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.964759][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.966332][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.967647][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.968618][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 79.969569][ T4721] sp : ffff80001fe86f80 [ 79.970222][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 79.971609][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 79.972845][ T4721] x23: ffff0000ecc96650 x22: ffff0000e8486020 x21: ffff0000ecc96678 [ 79.974038][ T4721] x20: ffff0000ef2a0068 x19: ffff0000ef2a0000 x18: 0000000000000001 [ 79.975266][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 79.976488][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 79.977765][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 79.979087][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.980457][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 79.981794][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.982951][ T4721] Call trace: [ 79.983470][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 79.984315][ T4721] ext4_xattr_block_set+0x524/0x267c [ 79.985134][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 79.985952][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 79.986815][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 79.987617][ T4721] ext4_dirty_inode+0xd0/0x100 [ 79.988377][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 79.989123][ T4721] iput+0x1b0/0x764 [ 79.989710][ T4721] dentry_unlink_inode+0x360/0x438 [ 79.990489][ T4721] __dentry_kill+0x320/0x598 [ 79.991179][ T4721] shrink_dentry_list+0x400/0x7b8 [ 79.991947][ T4721] shrink_dcache_parent+0xb4/0x364 [ 79.992809][ T4721] do_one_tree+0x2c/0xf0 [ 79.993519][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 79.994428][ T4721] generic_shutdown_super+0x68/0x2f0 [ 79.995228][ T4721] kill_block_super+0x70/0xdc [ 79.996022][ T4721] deactivate_locked_super+0xb8/0x134 [ 79.996971][ T4721] deactivate_super+0xf0/0x110 [ 79.997798][ T4721] cleanup_mnt+0x3b8/0x46c [ 79.998548][ T4721] __cleanup_mnt+0x20/0x30 [ 79.999230][ T4721] task_work_run+0x12c/0x1d8 [ 79.999971][ T4721] do_notify_resume+0x2450/0x309c [ 80.000799][ T4721] el0_svc+0xf0/0x1d0 [ 80.001391][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 80.002177][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 80.002858][ T4721] irq event stamp: 317580 [ 80.003560][ T4721] hardirqs last enabled at (317579): [] __up_console_sem+0xb4/0xfc [ 80.005020][ T4721] hardirqs last disabled at (317580): [] el1_dbg+0x24/0x80 [ 80.006372][ T4721] softirqs last enabled at (317240): [] local_bh_enable+0x10/0x34 [ 80.007753][ T4721] softirqs last disabled at (317238): [] local_bh_disable+0x10/0x34 [ 80.009244][ T4721] ---[ end trace 59faecd3d46a6dc4 ]--- [ 80.068755][ T5115] EXT4-fs (loop0): Ignoring removed bh option [ 80.082259][ T5115] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 80.091795][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.093638][ T4721] ------------[ cut here ]------------ [ 80.094512][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.096084][ T4721] Modules linked in: [ 80.096716][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.098262][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.099891][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.101170][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.102119][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.103074][ T4721] sp : ffff80001fe86f80 [ 80.103718][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 80.104984][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 80.106213][ T4721] x23: ffff0000ecd02088 x22: ffff0000c1353820 x21: ffff0000ecd020b0 [ 80.107570][ T4721] x20: ffff0000c2146068 x19: ffff0000c2146000 x18: 0000000000000001 [ 80.108944][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 80.110372][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 80.111677][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 80.112960][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.114392][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 80.115770][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.117152][ T4721] Call trace: [ 80.117707][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.118594][ T4721] ext4_xattr_block_set+0x524/0x267c [ 80.119492][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.120527][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 80.121542][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 80.122408][ T4721] ext4_dirty_inode+0xd0/0x100 [ 80.123182][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 80.124012][ T4721] iput+0x1b0/0x764 [ 80.124702][ T4721] dentry_unlink_inode+0x360/0x438 [ 80.125629][ T4721] __dentry_kill+0x320/0x598 [ 80.126348][ T4721] shrink_dentry_list+0x400/0x7b8 [ 80.127158][ T4721] shrink_dcache_parent+0xb4/0x364 [ 80.127993][ T4721] do_one_tree+0x2c/0xf0 [ 80.128699][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 80.129615][ T4721] generic_shutdown_super+0x68/0x2f0 [ 80.130534][ T4721] kill_block_super+0x70/0xdc [ 80.131363][ T4721] deactivate_locked_super+0xb8/0x134 [ 80.132381][ T4721] deactivate_super+0xf0/0x110 [ 80.133218][ T4721] cleanup_mnt+0x3b8/0x46c [ 80.133957][ T4721] __cleanup_mnt+0x20/0x30 [ 80.134698][ T4721] task_work_run+0x12c/0x1d8 [ 80.135476][ T4721] do_notify_resume+0x2450/0x309c [ 80.136301][ T4721] el0_svc+0xf0/0x1d0 [ 80.136964][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 80.137751][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 80.138490][ T4721] irq event stamp: 322544 [ 80.139143][ T4721] hardirqs last enabled at (322543): [] __up_console_sem+0xb4/0xfc [ 80.140673][ T4721] hardirqs last disabled at (322544): [] el1_dbg+0x24/0x80 [ 80.142050][ T4721] softirqs last enabled at (322212): [] local_bh_enable+0x10/0x34 [ 80.143585][ T4721] softirqs last disabled at (322210): [] local_bh_disable+0x10/0x34 [ 80.145080][ T4721] ---[ end trace 59faecd3d46a6dc5 ]--- [ 80.228362][ T5119] EXT4-fs (loop0): Ignoring removed bh option [ 80.238602][ T5119] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 80.248528][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.250494][ T4721] ------------[ cut here ]------------ [ 80.251368][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.252804][ T4721] Modules linked in: [ 80.253457][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.254913][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.256560][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.257778][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.258672][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.259597][ T4721] sp : ffff80001fe86f80 [ 80.260282][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 80.261521][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 80.262887][ T4721] x23: ffff0000ecd05260 x22: ffff0000ec9f9820 x21: ffff0000ecd05288 [ 80.264247][ T4721] x20: ffff0000d9df8068 x19: ffff0000d9df8000 x18: 0000000000000001 [ 80.265505][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 80.266894][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 80.268314][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 80.269769][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 80.271176][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 80.272565][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.273872][ T4721] Call trace: [ 80.274350][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.275174][ T4721] ext4_xattr_block_set+0x524/0x267c [ 80.275978][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.276841][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 80.277745][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 80.278584][ T4721] ext4_dirty_inode+0xd0/0x100 [ 80.279394][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 80.280276][ T4721] iput+0x1b0/0x764 [ 80.280889][ T4721] dentry_unlink_inode+0x360/0x438 [ 80.281666][ T4721] __dentry_kill+0x320/0x598 [ 80.282442][ T4721] shrink_dentry_list+0x400/0x7b8 [ 80.283303][ T4721] shrink_dcache_parent+0xb4/0x364 [ 80.284108][ T4721] do_one_tree+0x2c/0xf0 [ 80.284821][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 80.285710][ T4721] generic_shutdown_super+0x68/0x2f0 [ 80.286637][ T4721] kill_block_super+0x70/0xdc [ 80.287440][ T4721] deactivate_locked_super+0xb8/0x134 [ 80.288260][ T4721] deactivate_super+0xf0/0x110 [ 80.289013][ T4721] cleanup_mnt+0x3b8/0x46c [ 80.289731][ T4721] __cleanup_mnt+0x20/0x30 [ 80.290523][ T4721] task_work_run+0x12c/0x1d8 [ 80.291297][ T4721] do_notify_resume+0x2450/0x309c [ 80.292130][ T4721] el0_svc+0xf0/0x1d0 [ 80.292791][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 80.293623][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 80.294346][ T4721] irq event stamp: 327544 [ 80.295013][ T4721] hardirqs last enabled at (327543): [] __schedule+0xef8/0x1bc4 [ 80.296543][ T4721] hardirqs last disabled at (327544): [] el1_dbg+0x24/0x80 [ 80.298049][ T4721] softirqs last enabled at (327214): [] local_bh_enable+0x10/0x34 [ 80.299602][ T4721] softirqs last disabled at (327212): [] local_bh_disable+0x10/0x34 [ 80.301221][ T4721] ---[ end trace 59faecd3d46a6dc6 ]--- [ 80.431123][ T5123] EXT4-fs (loop0): Ignoring removed bh option [ 80.438266][ T5123] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 80.451278][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.453301][ T4721] ------------[ cut here ]------------ [ 80.454204][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.455798][ T4721] Modules linked in: [ 80.456474][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.457954][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.459592][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.461024][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.462026][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.462972][ T4721] sp : ffff80001fe86f80 [ 80.463653][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 80.465080][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 80.466405][ T4721] x23: ffff0000dd375c58 x22: ffff0000e91df820 x21: ffff0000dd375c80 [ 80.467806][ T4721] x20: ffff0000d5f2a068 x19: ffff0000d5f2a000 x18: 0000000000000001 [ 80.469209][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 80.470496][ T4721] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 80.471768][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 80.473028][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.474246][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 80.475598][ T4721] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.476990][ T4721] Call trace: [ 80.477540][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.478509][ T4721] ext4_xattr_block_set+0x524/0x267c [ 80.479397][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.480422][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 80.481379][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 80.482271][ T4721] ext4_dirty_inode+0xd0/0x100 [ 80.482987][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 80.483751][ T4721] iput+0x1b0/0x764 [ 80.484324][ T4721] dentry_unlink_inode+0x360/0x438 [ 80.485163][ T4721] __dentry_kill+0x320/0x598 [ 80.485882][ T4721] shrink_dentry_list+0x400/0x7b8 [ 80.486652][ T4721] shrink_dcache_parent+0xb4/0x364 [ 80.487401][ T4721] do_one_tree+0x2c/0xf0 [ 80.488148][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 80.489094][ T4721] generic_shutdown_super+0x68/0x2f0 [ 80.489980][ T4721] kill_block_super+0x70/0xdc [ 80.490771][ T4721] deactivate_locked_super+0xb8/0x134 [ 80.491719][ T4721] deactivate_super+0xf0/0x110 [ 80.492514][ T4721] cleanup_mnt+0x3b8/0x46c [ 80.493243][ T4721] __cleanup_mnt+0x20/0x30 [ 80.493979][ T4721] task_work_run+0x12c/0x1d8 [ 80.494713][ T4721] do_notify_resume+0x2450/0x309c [ 80.495562][ T4721] el0_svc+0xf0/0x1d0 [ 80.496231][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 80.497111][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 80.497853][ T4721] irq event stamp: 332608 [ 80.498653][ T4721] hardirqs last enabled at (332607): [] __up_console_sem+0xb4/0xfc [ 80.500269][ T4721] hardirqs last disabled at (332608): [] el1_dbg+0x24/0x80 [ 80.501807][ T4721] softirqs last enabled at (332260): [] local_bh_enable+0x10/0x34 [ 80.503344][ T4721] softirqs last disabled at (332258): [] local_bh_disable+0x10/0x34 [ 80.505008][ T4721] ---[ end trace 59faecd3d46a6dc7 ]--- [ 80.597910][ T5127] EXT4-fs (loop0): Ignoring removed bh option [ 80.608699][ T5127] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 80.622622][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.624527][ T4721] ------------[ cut here ]------------ [ 80.625418][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.627117][ T4721] Modules linked in: [ 80.627746][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.629217][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.630941][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.632107][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.633018][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.634040][ T4721] sp : ffff80001fe86f80 [ 80.634747][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 80.636103][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 80.637451][ T4721] x23: ffff0000ecc882a0 x22: ffff0000d7c3a020 x21: ffff0000ecc882c8 [ 80.638772][ T4721] x20: ffff0000da39c068 x19: ffff0000da39c000 x18: 0000000000000001 [ 80.640093][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 80.641503][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 80.642814][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 80.644219][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.645573][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 80.646958][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.648380][ T4721] Call trace: [ 80.648926][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.649834][ T4721] ext4_xattr_block_set+0x524/0x267c [ 80.650721][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.651647][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 80.652518][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 80.653348][ T4721] ext4_dirty_inode+0xd0/0x100 [ 80.654072][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 80.654822][ T4721] iput+0x1b0/0x764 [ 80.655437][ T4721] dentry_unlink_inode+0x360/0x438 [ 80.656307][ T4721] __dentry_kill+0x320/0x598 [ 80.657002][ T4721] shrink_dentry_list+0x400/0x7b8 [ 80.657881][ T4721] shrink_dcache_parent+0xb4/0x364 [ 80.658733][ T4721] do_one_tree+0x2c/0xf0 [ 80.659447][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 80.660308][ T4721] generic_shutdown_super+0x68/0x2f0 [ 80.661141][ T4721] kill_block_super+0x70/0xdc [ 80.661957][ T4721] deactivate_locked_super+0xb8/0x134 [ 80.662854][ T4721] deactivate_super+0xf0/0x110 [ 80.663620][ T4721] cleanup_mnt+0x3b8/0x46c [ 80.664311][ T4721] __cleanup_mnt+0x20/0x30 [ 80.665032][ T4721] task_work_run+0x12c/0x1d8 [ 80.665794][ T4721] do_notify_resume+0x2450/0x309c [ 80.666585][ T4721] el0_svc+0xf0/0x1d0 [ 80.667212][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 80.667991][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 80.668781][ T4721] irq event stamp: 338042 [ 80.669478][ T4721] hardirqs last enabled at (338041): [] __up_console_sem+0xb4/0xfc [ 80.671055][ T4721] hardirqs last disabled at (338042): [] el1_dbg+0x24/0x80 [ 80.672431][ T4721] softirqs last enabled at (337722): [] local_bh_enable+0x10/0x34 [ 80.674016][ T4721] softirqs last disabled at (337720): [] local_bh_disable+0x10/0x34 [ 80.675598][ T4721] ---[ end trace 59faecd3d46a6dc8 ]--- [ 80.789477][ T5131] EXT4-fs (loop0): Ignoring removed bh option [ 80.798798][ T5131] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 80.808368][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 80.810307][ T4721] ------------[ cut here ]------------ [ 80.811117][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.812661][ T4721] Modules linked in: [ 80.813360][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.814793][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.816359][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.817580][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.818481][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 80.819395][ T4721] sp : ffff80001fe86f80 [ 80.820104][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 80.821547][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 80.822819][ T4721] x23: ffff0000ecc8aa80 x22: ffff0000d60cd020 x21: ffff0000ecc8aaa8 [ 80.824070][ T4721] x20: ffff0000e89fc068 x19: ffff0000e89fc000 x18: 0000000000000001 [ 80.825319][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 80.826621][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 80.827887][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 80.829131][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.830402][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 80.831601][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.832896][ T4721] Call trace: [ 80.833411][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 80.834289][ T4721] ext4_xattr_block_set+0x524/0x267c [ 80.835100][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 80.836018][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 80.836976][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 80.837896][ T4721] ext4_dirty_inode+0xd0/0x100 [ 80.838704][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 80.839556][ T4721] iput+0x1b0/0x764 [ 80.840213][ T4721] dentry_unlink_inode+0x360/0x438 [ 80.841099][ T4721] __dentry_kill+0x320/0x598 [ 80.841818][ T4721] shrink_dentry_list+0x400/0x7b8 [ 80.842611][ T4721] shrink_dcache_parent+0xb4/0x364 [ 80.843477][ T4721] do_one_tree+0x2c/0xf0 [ 80.844150][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 80.845016][ T4721] generic_shutdown_super+0x68/0x2f0 [ 80.845948][ T4721] kill_block_super+0x70/0xdc [ 80.846800][ T4721] deactivate_locked_super+0xb8/0x134 [ 80.847686][ T4721] deactivate_super+0xf0/0x110 [ 80.848476][ T4721] cleanup_mnt+0x3b8/0x46c [ 80.849223][ T4721] __cleanup_mnt+0x20/0x30 [ 80.849982][ T4721] task_work_run+0x12c/0x1d8 [ 80.850758][ T4721] do_notify_resume+0x2450/0x309c [ 80.851641][ T4721] el0_svc+0xf0/0x1d0 [ 80.852303][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 80.853169][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 80.853925][ T4721] irq event stamp: 342858 [ 80.854631][ T4721] hardirqs last enabled at (342857): [] __up_console_sem+0xb4/0xfc [ 80.856247][ T4721] hardirqs last disabled at (342858): [] el1_dbg+0x24/0x80 [ 80.857690][ T4721] softirqs last enabled at (342530): [] local_bh_enable+0x10/0x34 [ 80.859336][ T4721] softirqs last disabled at (342528): [] local_bh_disable+0x10/0x34 [ 80.860954][ T4721] ---[ end trace 59faecd3d46a6dc9 ]--- [ 80.988332][ T5135] EXT4-fs (loop0): Ignoring removed bh option [ 80.998463][ T5135] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 81.008165][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.009931][ T4721] ------------[ cut here ]------------ [ 81.010694][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.012265][ T4721] Modules linked in: [ 81.012934][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.014256][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.015835][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.017192][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.018200][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.019164][ T4721] sp : ffff80001fe86f80 [ 81.019783][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 81.021254][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 81.022566][ T4721] x23: ffff0000e2a95c58 x22: ffff0000ccebb020 x21: ffff0000e2a95c80 [ 81.023831][ T4721] x20: ffff0000da83e068 x19: ffff0000da83e000 x18: 0000000000000001 [ 81.025249][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 81.026603][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 81.027977][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 81.029213][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.030517][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 81.031772][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.033031][ T4721] Call trace: [ 81.033617][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.034557][ T4721] ext4_xattr_block_set+0x524/0x267c [ 81.035433][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.036445][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 81.037412][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 81.038341][ T4721] ext4_dirty_inode+0xd0/0x100 [ 81.039107][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 81.039917][ T4721] iput+0x1b0/0x764 [ 81.040499][ T4721] dentry_unlink_inode+0x360/0x438 [ 81.041375][ T4721] __dentry_kill+0x320/0x598 [ 81.042087][ T4721] shrink_dentry_list+0x400/0x7b8 [ 81.042885][ T4721] shrink_dcache_parent+0xb4/0x364 [ 81.043733][ T4721] do_one_tree+0x2c/0xf0 [ 81.044471][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 81.045408][ T4721] generic_shutdown_super+0x68/0x2f0 [ 81.046319][ T4721] kill_block_super+0x70/0xdc [ 81.047130][ T4721] deactivate_locked_super+0xb8/0x134 [ 81.048029][ T4721] deactivate_super+0xf0/0x110 [ 81.048814][ T4721] cleanup_mnt+0x3b8/0x46c [ 81.049571][ T4721] __cleanup_mnt+0x20/0x30 [ 81.050270][ T4721] task_work_run+0x12c/0x1d8 [ 81.051087][ T4721] do_notify_resume+0x2450/0x309c [ 81.051906][ T4721] el0_svc+0xf0/0x1d0 [ 81.052525][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 81.053299][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 81.054024][ T4721] irq event stamp: 348142 [ 81.054702][ T4721] hardirqs last enabled at (348141): [] __up_console_sem+0xb4/0xfc [ 81.056206][ T4721] hardirqs last disabled at (348142): [] el1_dbg+0x24/0x80 [ 81.057512][ T4721] softirqs last enabled at (347398): [] local_bh_enable+0x10/0x34 [ 81.059025][ T4721] softirqs last disabled at (347396): [] local_bh_disable+0x10/0x34 [ 81.060636][ T4721] ---[ end trace 59faecd3d46a6dca ]--- [ 81.160873][ T5139] EXT4-fs (loop0): Ignoring removed bh option [ 81.177816][ T5139] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 81.187517][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.189521][ T4721] ------------[ cut here ]------------ [ 81.190373][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.191886][ T4721] Modules linked in: [ 81.192458][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.193845][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.195331][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.196478][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.197408][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.198302][ T4721] sp : ffff80001fe86f80 [ 81.198946][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 81.200334][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 81.201695][ T4721] x23: ffff0000dd2d6650 x22: ffff0000c7f64020 x21: ffff0000dd2d6678 [ 81.203028][ T4721] x20: ffff0000cb756068 x19: ffff0000cb756000 x18: 0000000000000001 [ 81.204413][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 81.205737][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 81.207081][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 81.208420][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.209647][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 81.210876][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.212089][ T4721] Call trace: [ 81.212654][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.213591][ T4721] ext4_xattr_block_set+0x524/0x267c [ 81.214450][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.215377][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 81.216256][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 81.217176][ T4721] ext4_dirty_inode+0xd0/0x100 [ 81.217917][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 81.218688][ T4721] iput+0x1b0/0x764 [ 81.219279][ T4721] dentry_unlink_inode+0x360/0x438 [ 81.220124][ T4721] __dentry_kill+0x320/0x598 [ 81.220818][ T4721] shrink_dentry_list+0x400/0x7b8 [ 81.221568][ T4721] shrink_dcache_parent+0xb4/0x364 [ 81.222417][ T4721] do_one_tree+0x2c/0xf0 [ 81.223065][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 81.223984][ T4721] generic_shutdown_super+0x68/0x2f0 [ 81.224910][ T4721] kill_block_super+0x70/0xdc [ 81.225726][ T4721] deactivate_locked_super+0xb8/0x134 [ 81.226601][ T4721] deactivate_super+0xf0/0x110 [ 81.227367][ T4721] cleanup_mnt+0x3b8/0x46c [ 81.228078][ T4721] __cleanup_mnt+0x20/0x30 [ 81.228785][ T4721] task_work_run+0x12c/0x1d8 [ 81.229465][ T4721] do_notify_resume+0x2450/0x309c [ 81.230274][ T4721] el0_svc+0xf0/0x1d0 [ 81.230921][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 81.231755][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 81.232574][ T4721] irq event stamp: 353616 [ 81.233282][ T4721] hardirqs last enabled at (353615): [] __up_console_sem+0xb4/0xfc [ 81.234901][ T4721] hardirqs last disabled at (353616): [] el1_dbg+0x24/0x80 [ 81.236274][ T4721] softirqs last enabled at (353290): [] local_bh_enable+0x10/0x34 [ 81.237682][ T4721] softirqs last disabled at (353288): [] local_bh_disable+0x10/0x34 [ 81.239337][ T4721] ---[ end trace 59faecd3d46a6dcb ]--- [ 81.351607][ T5143] EXT4-fs (loop0): Ignoring removed bh option [ 81.367770][ T5143] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 81.378846][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.380781][ T4721] ------------[ cut here ]------------ [ 81.381553][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.383052][ T4721] Modules linked in: [ 81.383711][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.385193][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.386874][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.388240][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.389203][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.390165][ T4721] sp : ffff80001fe86f80 [ 81.390860][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 81.392199][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 81.393513][ T4721] x23: ffff0000e2a67048 x22: ffff0000dc253820 x21: ffff0000e2a67070 [ 81.394801][ T4721] x20: ffff0000caebe068 x19: ffff0000caebe000 x18: 0000000000000001 [ 81.396245][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 81.397497][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 81.398897][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 81.400288][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.401713][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 81.403076][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.404387][ T4721] Call trace: [ 81.404910][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.405796][ T4721] ext4_xattr_block_set+0x524/0x267c [ 81.406613][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.407573][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 81.408458][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 81.409477][ T4721] ext4_dirty_inode+0xd0/0x100 [ 81.410335][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 81.411233][ T4721] iput+0x1b0/0x764 [ 81.411891][ T4721] dentry_unlink_inode+0x360/0x438 [ 81.412730][ T4721] __dentry_kill+0x320/0x598 [ 81.413592][ T4721] shrink_dentry_list+0x400/0x7b8 [ 81.414459][ T4721] shrink_dcache_parent+0xb4/0x364 [ 81.415298][ T4721] do_one_tree+0x2c/0xf0 [ 81.415989][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 81.416891][ T4721] generic_shutdown_super+0x68/0x2f0 [ 81.417846][ T4721] kill_block_super+0x70/0xdc [ 81.418647][ T4721] deactivate_locked_super+0xb8/0x134 [ 81.419551][ T4721] deactivate_super+0xf0/0x110 [ 81.420312][ T4721] cleanup_mnt+0x3b8/0x46c [ 81.421062][ T4721] __cleanup_mnt+0x20/0x30 [ 81.421785][ T4721] task_work_run+0x12c/0x1d8 [ 81.422550][ T4721] do_notify_resume+0x2450/0x309c [ 81.423453][ T4721] el0_svc+0xf0/0x1d0 [ 81.424141][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 81.424959][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 81.425774][ T4721] irq event stamp: 358560 [ 81.426536][ T4721] hardirqs last enabled at (358559): [] __up_console_sem+0xb4/0xfc [ 81.428056][ T4721] hardirqs last disabled at (358560): [] el1_dbg+0x24/0x80 [ 81.429508][ T4721] softirqs last enabled at (358218): [] local_bh_enable+0x10/0x34 [ 81.431183][ T4721] softirqs last disabled at (358216): [] local_bh_disable+0x10/0x34 [ 81.432862][ T4721] ---[ end trace 59faecd3d46a6dcc ]--- [ 81.519721][ T5147] EXT4-fs (loop0): Ignoring removed bh option [ 81.527900][ T5147] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 81.539086][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.540983][ T4721] ------------[ cut here ]------------ [ 81.541816][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.543371][ T4721] Modules linked in: [ 81.544065][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.545528][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.547087][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.548337][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.549290][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.550225][ T4721] sp : ffff80001fe86f80 [ 81.550949][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 81.552424][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 81.553686][ T4721] x23: ffff0000ecc8d260 x22: ffff0000d5775020 x21: ffff0000ecc8d288 [ 81.554939][ T4721] x20: ffff0000cd76e068 x19: ffff0000cd76e000 x18: 0000000000000001 [ 81.556253][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 81.557538][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 81.558888][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 81.560188][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.561515][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 81.562797][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.564142][ T4721] Call trace: [ 81.564724][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.565673][ T4721] ext4_xattr_block_set+0x524/0x267c [ 81.566508][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.567460][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 81.568393][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 81.569273][ T4721] ext4_dirty_inode+0xd0/0x100 [ 81.570056][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 81.570921][ T4721] iput+0x1b0/0x764 [ 81.571557][ T4721] dentry_unlink_inode+0x360/0x438 [ 81.572320][ T4721] __dentry_kill+0x320/0x598 [ 81.573022][ T4721] shrink_dentry_list+0x400/0x7b8 [ 81.573872][ T4721] shrink_dcache_parent+0xb4/0x364 [ 81.574745][ T4721] do_one_tree+0x2c/0xf0 [ 81.575424][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 81.576331][ T4721] generic_shutdown_super+0x68/0x2f0 [ 81.577253][ T4721] kill_block_super+0x70/0xdc [ 81.578010][ T4721] deactivate_locked_super+0xb8/0x134 [ 81.578945][ T4721] deactivate_super+0xf0/0x110 [ 81.579761][ T4721] cleanup_mnt+0x3b8/0x46c [ 81.580542][ T4721] __cleanup_mnt+0x20/0x30 [ 81.581428][ T4721] task_work_run+0x12c/0x1d8 [ 81.582184][ T4721] do_notify_resume+0x2450/0x309c [ 81.583049][ T4721] el0_svc+0xf0/0x1d0 [ 81.583791][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 81.584687][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 81.585463][ T4721] irq event stamp: 363702 [ 81.586138][ T4721] hardirqs last enabled at (363701): [] __up_console_sem+0xb4/0xfc [ 81.587783][ T4721] hardirqs last disabled at (363702): [] el1_dbg+0x24/0x80 [ 81.589231][ T4721] softirqs last enabled at (363376): [] local_bh_enable+0x10/0x34 [ 81.590763][ T4721] softirqs last disabled at (363374): [] local_bh_disable+0x10/0x34 [ 81.592294][ T4721] ---[ end trace 59faecd3d46a6dcd ]--- [ 81.687984][ T5151] EXT4-fs (loop0): Ignoring removed bh option [ 81.699387][ T5151] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 81.710356][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.712253][ T4721] ------------[ cut here ]------------ [ 81.713024][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.714461][ T4721] Modules linked in: [ 81.715072][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.716431][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.717986][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.719288][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.720233][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.721242][ T4721] sp : ffff80001fe86f80 [ 81.721983][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 81.723337][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 81.724730][ T4721] x23: ffff0000ecdf6650 x22: ffff0000c16a5820 x21: ffff0000ecdf6678 [ 81.726006][ T4721] x20: ffff0000ccfa6068 x19: ffff0000ccfa6000 x18: 0000000000000001 [ 81.727280][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 81.728571][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 81.729892][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 81.731130][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.732547][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 81.733962][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.735314][ T4721] Call trace: [ 81.735854][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.736721][ T4721] ext4_xattr_block_set+0x524/0x267c [ 81.737559][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.738444][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 81.739364][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 81.740259][ T4721] ext4_dirty_inode+0xd0/0x100 [ 81.740984][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 81.741800][ T4721] iput+0x1b0/0x764 [ 81.742350][ T4721] dentry_unlink_inode+0x360/0x438 [ 81.743113][ T4721] __dentry_kill+0x320/0x598 [ 81.743800][ T4721] shrink_dentry_list+0x400/0x7b8 [ 81.744530][ T4721] shrink_dcache_parent+0xb4/0x364 [ 81.745329][ T4721] do_one_tree+0x2c/0xf0 [ 81.745974][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 81.746846][ T4721] generic_shutdown_super+0x68/0x2f0 [ 81.747697][ T4721] kill_block_super+0x70/0xdc [ 81.748493][ T4721] deactivate_locked_super+0xb8/0x134 [ 81.749394][ T4721] deactivate_super+0xf0/0x110 [ 81.750181][ T4721] cleanup_mnt+0x3b8/0x46c [ 81.750951][ T4721] __cleanup_mnt+0x20/0x30 [ 81.751696][ T4721] task_work_run+0x12c/0x1d8 [ 81.752461][ T4721] do_notify_resume+0x2450/0x309c [ 81.753376][ T4721] el0_svc+0xf0/0x1d0 [ 81.754107][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 81.754993][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 81.755743][ T4721] irq event stamp: 368574 [ 81.756474][ T4721] hardirqs last enabled at (368573): [] __up_console_sem+0xb4/0xfc [ 81.758138][ T4721] hardirqs last disabled at (368574): [] el1_dbg+0x24/0x80 [ 81.759538][ T4721] softirqs last enabled at (368242): [] local_bh_enable+0x10/0x34 [ 81.761136][ T4721] softirqs last disabled at (368240): [] local_bh_disable+0x10/0x34 [ 81.762733][ T4721] ---[ end trace 59faecd3d46a6dce ]--- [ 81.808349][ T5155] EXT4-fs (loop0): Ignoring removed bh option [ 81.827677][ T5155] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 81.838140][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 81.840114][ T4721] ------------[ cut here ]------------ [ 81.841013][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.842575][ T4721] Modules linked in: [ 81.843256][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.844665][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.846255][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.847560][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.848520][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 81.849476][ T4721] sp : ffff80001fe86f80 [ 81.850071][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 81.851358][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 81.852644][ T4721] x23: ffff0000ecdf2a80 x22: ffff0000c16a6820 x21: ffff0000ecdf2aa8 [ 81.853952][ T4721] x20: ffff0000cd1ec068 x19: ffff0000cd1ec000 x18: 0000000000000001 [ 81.855333][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 81.856717][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 81.858100][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 81.859410][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.860808][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 81.862145][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.863558][ T4721] Call trace: [ 81.864068][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 81.865053][ T4721] ext4_xattr_block_set+0x524/0x267c [ 81.865949][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 81.866854][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 81.867783][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 81.868725][ T4721] ext4_dirty_inode+0xd0/0x100 [ 81.869553][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 81.870438][ T4721] iput+0x1b0/0x764 [ 81.871092][ T4721] dentry_unlink_inode+0x360/0x438 [ 81.872022][ T4721] __dentry_kill+0x320/0x598 [ 81.872825][ T4721] shrink_dentry_list+0x400/0x7b8 [ 81.873714][ T4721] shrink_dcache_parent+0xb4/0x364 [ 81.874664][ T4721] do_one_tree+0x2c/0xf0 [ 81.875385][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 81.876313][ T4721] generic_shutdown_super+0x68/0x2f0 [ 81.877209][ T4721] kill_block_super+0x70/0xdc [ 81.877920][ T4721] deactivate_locked_super+0xb8/0x134 [ 81.878822][ T4721] deactivate_super+0xf0/0x110 [ 81.879619][ T4721] cleanup_mnt+0x3b8/0x46c [ 81.880387][ T4721] __cleanup_mnt+0x20/0x30 [ 81.881088][ T4721] task_work_run+0x12c/0x1d8 [ 81.881843][ T4721] do_notify_resume+0x2450/0x309c [ 81.883059][ T4721] el0_svc+0xf0/0x1d0 [ 81.883667][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 81.884487][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 81.885361][ T4721] irq event stamp: 373598 [ 81.886129][ T4721] hardirqs last enabled at (373597): [] __up_console_sem+0xb4/0xfc [ 81.887721][ T4721] hardirqs last disabled at (373598): [] el1_dbg+0x24/0x80 [ 81.889193][ T4721] softirqs last enabled at (373260): [] local_bh_enable+0x10/0x34 [ 81.890690][ T4721] softirqs last disabled at (373258): [] local_bh_disable+0x10/0x34 [ 81.892306][ T4721] ---[ end trace 59faecd3d46a6dcf ]--- [ 82.008009][ T5159] EXT4-fs (loop0): Ignoring removed bh option [ 82.027852][ T5159] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 82.036441][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.038569][ T4721] ------------[ cut here ]------------ [ 82.039505][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.041081][ T4721] Modules linked in: [ 82.041748][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.043248][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.044846][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.046201][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.047171][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.048162][ T4721] sp : ffff80001fe86f80 [ 82.048857][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 82.050303][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 82.051625][ T4721] x23: ffff0000ece06650 x22: ffff0000db2cd020 x21: ffff0000ece06678 [ 82.053017][ T4721] x20: ffff0000c18ca068 x19: ffff0000c18ca000 x18: 0000000000000002 [ 82.054441][ T4721] x17: 0000000040000000 x16: ffff80001125a830 x15: 0000000000000002 [ 82.055776][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 82.057099][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 82.058475][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.059810][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 82.061187][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.062636][ T4721] Call trace: [ 82.063226][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.064138][ T4721] ext4_xattr_block_set+0x524/0x267c [ 82.065036][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.066009][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 82.066929][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 82.067869][ T4721] ext4_dirty_inode+0xd0/0x100 [ 82.068719][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 82.069558][ T4721] iput+0x1b0/0x764 [ 82.070219][ T4721] dentry_unlink_inode+0x360/0x438 [ 82.071207][ T4721] __dentry_kill+0x320/0x598 [ 82.071975][ T4721] shrink_dentry_list+0x400/0x7b8 [ 82.072817][ T4721] shrink_dcache_parent+0xb4/0x364 [ 82.073703][ T4721] do_one_tree+0x2c/0xf0 [ 82.074430][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 82.075361][ T4721] generic_shutdown_super+0x68/0x2f0 [ 82.076245][ T4721] kill_block_super+0x70/0xdc [ 82.077033][ T4721] deactivate_locked_super+0xb8/0x134 [ 82.077966][ T4721] deactivate_super+0xf0/0x110 [ 82.078764][ T4721] cleanup_mnt+0x3b8/0x46c [ 82.079508][ T4721] __cleanup_mnt+0x20/0x30 [ 82.080281][ T4721] task_work_run+0x12c/0x1d8 [ 82.081092][ T4721] do_notify_resume+0x2450/0x309c [ 82.081961][ T4721] el0_svc+0xf0/0x1d0 [ 82.082665][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 82.083519][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 82.084267][ T4721] irq event stamp: 378450 [ 82.085011][ T4721] hardirqs last enabled at (378449): [] finish_lock_switch+0xb0/0x1c4 [ 82.086675][ T4721] hardirqs last disabled at (378450): [] el1_dbg+0x24/0x80 [ 82.088164][ T4721] softirqs last enabled at (378412): [] handle_softirqs+0xa40/0xbe4 [ 82.089791][ T4721] softirqs last disabled at (378401): [] __irq_exit_rcu+0x240/0x43c [ 82.091431][ T4721] ---[ end trace 59faecd3d46a6dd0 ]--- [ 82.189619][ T5163] EXT4-fs (loop0): Ignoring removed bh option [ 82.197888][ T5163] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 82.209115][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.211047][ T4721] ------------[ cut here ]------------ [ 82.211904][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.213593][ T4721] Modules linked in: [ 82.214207][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.215585][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.217209][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.218505][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.219405][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.220319][ T4721] sp : ffff80001fe86f80 [ 82.221028][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 82.222417][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 82.223784][ T4721] x23: ffff0000e2a602a0 x22: ffff0000c8467820 x21: ffff0000e2a602c8 [ 82.225245][ T4721] x20: ffff0000cd376068 x19: ffff0000cd376000 x18: 0000000000000001 [ 82.226663][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 82.228049][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 82.229369][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 82.230695][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.232046][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 82.233338][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.234609][ T4721] Call trace: [ 82.235094][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.235908][ T4721] ext4_xattr_block_set+0x524/0x267c [ 82.236860][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.237854][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 82.238763][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 82.239742][ T4721] ext4_dirty_inode+0xd0/0x100 [ 82.240515][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 82.241316][ T4721] iput+0x1b0/0x764 [ 82.241953][ T4721] dentry_unlink_inode+0x360/0x438 [ 82.242766][ T4721] __dentry_kill+0x320/0x598 [ 82.243493][ T4721] shrink_dentry_list+0x400/0x7b8 [ 82.244402][ T4721] shrink_dcache_parent+0xb4/0x364 [ 82.245327][ T4721] do_one_tree+0x2c/0xf0 [ 82.246090][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 82.246998][ T4721] generic_shutdown_super+0x68/0x2f0 [ 82.247942][ T4721] kill_block_super+0x70/0xdc [ 82.248767][ T4721] deactivate_locked_super+0xb8/0x134 [ 82.249722][ T4721] deactivate_super+0xf0/0x110 [ 82.250511][ T4721] cleanup_mnt+0x3b8/0x46c [ 82.251219][ T4721] __cleanup_mnt+0x20/0x30 [ 82.251963][ T4721] task_work_run+0x12c/0x1d8 [ 82.252709][ T4721] do_notify_resume+0x2450/0x309c [ 82.253632][ T4721] el0_svc+0xf0/0x1d0 [ 82.254282][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 82.255128][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 82.255874][ T4721] irq event stamp: 383314 [ 82.256596][ T4721] hardirqs last enabled at (383313): [] __up_console_sem+0xb4/0xfc [ 82.258200][ T4721] hardirqs last disabled at (383314): [] el1_dbg+0x24/0x80 [ 82.259548][ T4721] softirqs last enabled at (382984): [] local_bh_enable+0x10/0x34 [ 82.260897][ T4721] softirqs last disabled at (382982): [] local_bh_disable+0x10/0x34 [ 82.262544][ T4721] ---[ end trace 59faecd3d46a6dd1 ]--- [ 82.381333][ T5167] EXT4-fs (loop0): Ignoring removed bh option [ 82.397872][ T5167] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 82.406277][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.408669][ T4721] ------------[ cut here ]------------ [ 82.409612][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.411295][ T4721] Modules linked in: [ 82.411918][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.413249][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.414572][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.415691][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.416535][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.417394][ T4721] sp : ffff80001fe86f80 [ 82.418081][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 82.419488][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 82.420921][ T4721] x23: ffff0000ece03478 x22: ffff0000ce1db020 x21: ffff0000ece034a0 [ 82.422248][ T4721] x20: ffff0000ca190068 x19: ffff0000ca190000 x18: 0000000000000002 [ 82.423550][ T4721] x17: 0000000040000000 x16: ffff80001125a830 x15: 0000000000000002 [ 82.424869][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 82.426238][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 82.427554][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.428927][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 82.430294][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.431572][ T4721] Call trace: [ 82.432088][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.432922][ T4721] ext4_xattr_block_set+0x524/0x267c [ 82.433822][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.434773][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 82.435661][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 82.436514][ T4721] ext4_dirty_inode+0xd0/0x100 [ 82.437337][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 82.438221][ T4721] iput+0x1b0/0x764 [ 82.438885][ T4721] dentry_unlink_inode+0x360/0x438 [ 82.439722][ T4721] __dentry_kill+0x320/0x598 [ 82.440462][ T4721] shrink_dentry_list+0x400/0x7b8 [ 82.441337][ T4721] shrink_dcache_parent+0xb4/0x364 [ 82.442222][ T4721] do_one_tree+0x2c/0xf0 [ 82.442988][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 82.443958][ T4721] generic_shutdown_super+0x68/0x2f0 [ 82.444834][ T4721] kill_block_super+0x70/0xdc [ 82.445614][ T4721] deactivate_locked_super+0xb8/0x134 [ 82.446479][ T4721] deactivate_super+0xf0/0x110 [ 82.447160][ T4721] cleanup_mnt+0x3b8/0x46c [ 82.447954][ T4721] __cleanup_mnt+0x20/0x30 [ 82.448710][ T4721] task_work_run+0x12c/0x1d8 [ 82.449401][ T4721] do_notify_resume+0x2450/0x309c [ 82.450175][ T4721] el0_svc+0xf0/0x1d0 [ 82.450802][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 82.451592][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 82.452328][ T4721] irq event stamp: 388740 [ 82.453054][ T4721] hardirqs last enabled at (388739): [] finish_lock_switch+0xb0/0x1c4 [ 82.454543][ T4721] hardirqs last disabled at (388740): [] el1_dbg+0x24/0x80 [ 82.455907][ T4721] softirqs last enabled at (388734): [] handle_softirqs+0xa40/0xbe4 [ 82.457443][ T4721] softirqs last disabled at (388689): [] __irq_exit_rcu+0x240/0x43c [ 82.458966][ T4721] ---[ end trace 59faecd3d46a6dd2 ]--- [ 82.567932][ T5171] EXT4-fs (loop0): Ignoring removed bh option [ 82.579189][ T5171] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 82.591280][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.593023][ T4721] ------------[ cut here ]------------ [ 82.593791][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.595334][ T4721] Modules linked in: [ 82.595921][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.597367][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.599097][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.600395][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.601354][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.602294][ T4721] sp : ffff80001fe86f80 [ 82.603030][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 82.604317][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 82.605719][ T4721] x23: ffff0000ece00c98 x22: ffff0000d90be820 x21: ffff0000ece00cc0 [ 82.607100][ T4721] x20: ffff0000d6478068 x19: ffff0000d6478000 x18: 0000000000000001 [ 82.608440][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 82.609719][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 82.610983][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 82.612314][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.613689][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 82.615092][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.616426][ T4721] Call trace: [ 82.616916][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.617902][ T4721] ext4_xattr_block_set+0x524/0x267c [ 82.618852][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.619756][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 82.620691][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 82.621645][ T4721] ext4_dirty_inode+0xd0/0x100 [ 82.622414][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 82.623306][ T4721] iput+0x1b0/0x764 [ 82.623971][ T4721] dentry_unlink_inode+0x360/0x438 [ 82.624808][ T4721] __dentry_kill+0x320/0x598 [ 82.625542][ T4721] shrink_dentry_list+0x400/0x7b8 [ 82.626379][ T4721] shrink_dcache_parent+0xb4/0x364 [ 82.627276][ T4721] do_one_tree+0x2c/0xf0 [ 82.628014][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 82.628968][ T4721] generic_shutdown_super+0x68/0x2f0 [ 82.629880][ T4721] kill_block_super+0x70/0xdc [ 82.630665][ T4721] deactivate_locked_super+0xb8/0x134 [ 82.631510][ T4721] deactivate_super+0xf0/0x110 [ 82.632313][ T4721] cleanup_mnt+0x3b8/0x46c [ 82.632971][ T4721] __cleanup_mnt+0x20/0x30 [ 82.633663][ T4721] task_work_run+0x12c/0x1d8 [ 82.634481][ T4721] do_notify_resume+0x2450/0x309c [ 82.635405][ T4721] el0_svc+0xf0/0x1d0 [ 82.636089][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 82.636927][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 82.637731][ T4721] irq event stamp: 393994 [ 82.638437][ T4721] hardirqs last enabled at (393993): [] __up_console_sem+0xb4/0xfc [ 82.639999][ T4721] hardirqs last disabled at (393994): [] el1_dbg+0x24/0x80 [ 82.641542][ T4721] softirqs last enabled at (393656): [] local_bh_enable+0x10/0x34 [ 82.643135][ T4721] softirqs last disabled at (393654): [] local_bh_disable+0x10/0x34 [ 82.644705][ T4721] ---[ end trace 59faecd3d46a6dd3 ]--- [ 82.702800][ T5175] EXT4-fs (loop0): Ignoring removed bh option [ 82.712008][ T5175] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 82.731507][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.733387][ T4721] ------------[ cut here ]------------ [ 82.734174][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.735685][ T4721] Modules linked in: [ 82.736316][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.737814][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.739566][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.740829][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.741802][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.742799][ T4721] sp : ffff80001fe86f80 [ 82.743536][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 82.744849][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 82.746137][ T4721] x23: ffff0000dd3ca088 x22: ffff0000c163b020 x21: ffff0000dd3ca0b0 [ 82.747420][ T4721] x20: ffff0000c8b28068 x19: ffff0000c8b28000 x18: 0000000000000001 [ 82.748713][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 82.749882][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 82.751098][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 82.752492][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.753865][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 82.755189][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.756438][ T4721] Call trace: [ 82.756989][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.757940][ T4721] ext4_xattr_block_set+0x524/0x267c [ 82.758852][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.759857][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 82.760772][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 82.761749][ T4721] ext4_dirty_inode+0xd0/0x100 [ 82.762504][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 82.763307][ T4721] iput+0x1b0/0x764 [ 82.763912][ T4721] dentry_unlink_inode+0x360/0x438 [ 82.764724][ T4721] __dentry_kill+0x320/0x598 [ 82.765481][ T4721] shrink_dentry_list+0x400/0x7b8 [ 82.766364][ T4721] shrink_dcache_parent+0xb4/0x364 [ 82.767239][ T4721] do_one_tree+0x2c/0xf0 [ 82.767965][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 82.768887][ T4721] generic_shutdown_super+0x68/0x2f0 [ 82.769837][ T4721] kill_block_super+0x70/0xdc [ 82.770631][ T4721] deactivate_locked_super+0xb8/0x134 [ 82.771452][ T4721] deactivate_super+0xf0/0x110 [ 82.772206][ T4721] cleanup_mnt+0x3b8/0x46c [ 82.773018][ T4721] __cleanup_mnt+0x20/0x30 [ 82.773752][ T4721] task_work_run+0x12c/0x1d8 [ 82.774497][ T4721] do_notify_resume+0x2450/0x309c [ 82.775329][ T4721] el0_svc+0xf0/0x1d0 [ 82.775991][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 82.776848][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 82.777652][ T4721] irq event stamp: 398838 [ 82.778414][ T4721] hardirqs last enabled at (398837): [] __up_console_sem+0xb4/0xfc [ 82.779951][ T4721] hardirqs last disabled at (398838): [] el1_dbg+0x24/0x80 [ 82.781371][ T4721] softirqs last enabled at (398504): [] local_bh_enable+0x10/0x34 [ 82.782920][ T4721] softirqs last disabled at (398502): [] local_bh_disable+0x10/0x34 [ 82.784435][ T4721] ---[ end trace 59faecd3d46a6dd4 ]--- [ 82.834209][ T5179] EXT4-fs (loop0): Ignoring removed bh option [ 82.848403][ T5179] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 82.865406][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 82.868252][ T4721] ------------[ cut here ]------------ [ 82.869085][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.870688][ T4721] Modules linked in: [ 82.871312][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.872777][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.874265][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.875464][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.876331][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 82.877198][ T4721] sp : ffff80001fe86f80 [ 82.877876][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 82.879272][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 82.880673][ T4721] x23: ffff0000ecd23e70 x22: ffff0000c163e820 x21: ffff0000ecd23e98 [ 82.882038][ T4721] x20: ffff0000dc102068 x19: ffff0000dc102000 x18: 1fffe000341f4796 [ 82.883374][ T4721] x17: 1fffe000341f4796 x16: ffff80001125a830 x15: ffff80001433ed40 [ 82.884722][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 82.885969][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 82.887387][ T4721] x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.888779][ T4721] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75e82c [ 82.890087][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.891381][ T4721] Call trace: [ 82.891895][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 82.892754][ T4721] ext4_xattr_block_set+0x524/0x267c [ 82.893630][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 82.894573][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 82.895493][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 82.896341][ T4721] ext4_dirty_inode+0xd0/0x100 [ 82.897086][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 82.897857][ T4721] iput+0x1b0/0x764 [ 82.898464][ T4721] dentry_unlink_inode+0x360/0x438 [ 82.899287][ T4721] __dentry_kill+0x320/0x598 [ 82.900082][ T4721] shrink_dentry_list+0x400/0x7b8 [ 82.900914][ T4721] shrink_dcache_parent+0xb4/0x364 [ 82.901675][ T4721] do_one_tree+0x2c/0xf0 [ 82.902330][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 82.903198][ T4721] generic_shutdown_super+0x68/0x2f0 [ 82.904061][ T4721] kill_block_super+0x70/0xdc [ 82.904790][ T4721] deactivate_locked_super+0xb8/0x134 [ 82.905782][ T4721] deactivate_super+0xf0/0x110 [ 82.906651][ T4721] cleanup_mnt+0x3b8/0x46c [ 82.907365][ T4721] __cleanup_mnt+0x20/0x30 [ 82.908103][ T4721] task_work_run+0x12c/0x1d8 [ 82.908851][ T4721] do_notify_resume+0x2450/0x309c [ 82.909680][ T4721] el0_svc+0xf0/0x1d0 [ 82.910327][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 82.911140][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 82.911878][ T4721] irq event stamp: 404012 [ 82.912662][ T4721] hardirqs last enabled at (404011): [] finish_lock_switch+0xb0/0x1c4 [ 82.914374][ T4721] hardirqs last disabled at (404012): [] el1_dbg+0x24/0x80 [ 82.915809][ T4721] softirqs last enabled at (404006): [] handle_softirqs+0xa40/0xbe4 [ 82.917383][ T4721] softirqs last disabled at (403951): [] __irq_exit_rcu+0x240/0x43c [ 82.918920][ T4721] ---[ end trace 59faecd3d46a6dd5 ]--- [ 82.984553][ T5183] EXT4-fs (loop0): Ignoring removed bh option [ 83.002210][ T5183] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 83.012151][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.013974][ T4721] ------------[ cut here ]------------ [ 83.014893][ T4721] WARNING: CPU: 1 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.016403][ T4721] Modules linked in: [ 83.016991][ T4721] CPU: 1 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.018478][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.020162][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.021475][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.022416][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.023402][ T4721] sp : ffff80001fe86f80 [ 83.024112][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 83.025516][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 83.026828][ T4721] x23: ffff0000ecd22088 x22: ffff0000c8337820 x21: ffff0000ecd220b0 [ 83.028001][ T4721] x20: ffff0000d01f2068 x19: ffff0000d01f2000 x18: 0000000000000001 [ 83.029407][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 83.030776][ T4721] x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 [ 83.032109][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 83.033555][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.034887][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 83.036207][ T4721] x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.037552][ T4721] Call trace: [ 83.038082][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.038933][ T4721] ext4_xattr_block_set+0x524/0x267c [ 83.039829][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.040748][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 83.041739][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 83.042656][ T4721] ext4_dirty_inode+0xd0/0x100 [ 83.043504][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 83.044369][ T4721] iput+0x1b0/0x764 [ 83.044982][ T4721] dentry_unlink_inode+0x360/0x438 [ 83.045840][ T4721] __dentry_kill+0x320/0x598 [ 83.046585][ T4721] shrink_dentry_list+0x400/0x7b8 [ 83.047422][ T4721] shrink_dcache_parent+0xb4/0x364 [ 83.048329][ T4721] do_one_tree+0x2c/0xf0 [ 83.049084][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 83.050117][ T4721] generic_shutdown_super+0x68/0x2f0 [ 83.051025][ T4721] kill_block_super+0x70/0xdc [ 83.051820][ T4721] deactivate_locked_super+0xb8/0x134 [ 83.052686][ T4721] deactivate_super+0xf0/0x110 [ 83.053474][ T4721] cleanup_mnt+0x3b8/0x46c [ 83.054210][ T4721] __cleanup_mnt+0x20/0x30 [ 83.054944][ T4721] task_work_run+0x12c/0x1d8 [ 83.055714][ T4721] do_notify_resume+0x2450/0x309c [ 83.056589][ T4721] el0_svc+0xf0/0x1d0 [ 83.057256][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 83.058087][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 83.058806][ T4721] irq event stamp: 409030 [ 83.059492][ T4721] hardirqs last enabled at (409029): [] __up_console_sem+0xb4/0xfc [ 83.061153][ T4721] hardirqs last disabled at (409030): [] el1_dbg+0x24/0x80 [ 83.062656][ T4721] softirqs last enabled at (408696): [] local_bh_enable+0x10/0x34 [ 83.064190][ T4721] softirqs last disabled at (408694): [] local_bh_disable+0x10/0x34 [ 83.065772][ T4721] ---[ end trace 59faecd3d46a6dd6 ]--- [ 83.168398][ T5187] EXT4-fs (loop0): Ignoring removed bh option [ 83.178605][ T5187] EXT4-fs (loop0): mounted filesystem without journal. Opts: nojournal_checksum,nombcache,barrier,norecovery,debug_want_extra_isize=0x0000000000000080,lazytime,nodelalloc,usrquota,noauto_da_alloc,bh,init_itable,,errors=continue. Quota mode: writeback. [ 83.187533][ T4721] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting [ 83.189476][ T4721] ------------[ cut here ]------------ [ 83.190343][ T4721] WARNING: CPU: 0 PID: 4721 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.192023][ T4721] Modules linked in: [ 83.192649][ T4721] CPU: 0 PID: 4721 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.194176][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.195811][ T4721] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.197084][ T4721] pc : ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.198025][ T4721] lr : ext4_xattr_set_entry+0x11f8/0x2e50 [ 83.198973][ T4721] sp : ffff80001fe86f80 [ 83.199640][ T4721] x29: ffff80001fe871c0 x28: ffff700003fd0e18 x27: ffff80001fe872f8 [ 83.200895][ T4721] x26: dfff800000000000 x25: 1ffff00003fd0e9b x24: 1ffff00003fd0e5f [ 83.202241][ T4721] x23: ffff0000e2afb478 x22: ffff0000ce1ac020 x21: ffff0000e2afb4a0 [ 83.203620][ T4721] x20: ffff0000da680068 x19: ffff0000da680000 x18: 0000000000000001 [ 83.204998][ T4721] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 83.206346][ T4721] x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 [ 83.207712][ T4721] x11: 0000000000000000 x10: 0000000000000000 x9 : bdf0bc47809c5a00 [ 83.209040][ T4721] x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.210361][ T4721] x5 : ffff80001fe86758 x4 : ffff80001437f3e0 x3 : ffff80000a75e82c [ 83.211708][ T4721] x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.213027][ T4721] Call trace: [ 83.213545][ T4721] ext4_xattr_set_entry+0x11fc/0x2e50 [ 83.214503][ T4721] ext4_xattr_block_set+0x524/0x267c [ 83.215425][ T4721] ext4_expand_extra_isize_ea+0xd54/0x14f0 [ 83.216372][ T4721] __ext4_expand_extra_isize+0x298/0x358 [ 83.217293][ T4721] __ext4_mark_inode_dirty+0x434/0x79c [ 83.218164][ T4721] ext4_dirty_inode+0xd0/0x100 [ 83.218970][ T4721] __mark_inode_dirty+0x2b0/0xf8c [ 83.219744][ T4721] iput+0x1b0/0x764 [ 83.220389][ T4721] dentry_unlink_inode+0x360/0x438 [ 83.221168][ T4721] __dentry_kill+0x320/0x598 [ 83.221919][ T4721] shrink_dentry_list+0x400/0x7b8 [ 83.222728][ T4721] shrink_dcache_parent+0xb4/0x364 [ 83.223524][ T4721] do_one_tree+0x2c/0xf0 [ 83.224178][ T4721] shrink_dcache_for_umount+0x68/0x114 [ 83.225101][ T4721] generic_shutdown_super+0x68/0x2f0 [ 83.225951][ T4721] kill_block_super+0x70/0xdc [ 83.226704][ T4721] deactivate_locked_super+0xb8/0x134 [ 83.227514][ T4721] deactivate_super+0xf0/0x110 [ 83.228262][ T4721] cleanup_mnt+0x3b8/0x46c [ 83.228987][ T4721] __cleanup_mnt+0x20/0x30 [ 83.229683][ T4721] task_work_run+0x12c/0x1d8 [ 83.230382][ T4721] do_notify_resume+0x2450/0x309c [ 83.231109][ T4721] el0_svc+0xf0/0x1d0 [ 83.231739][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 83.232506][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 83.233145][ T4721] irq event stamp: 414292 [ 83.233828][ T4721] hardirqs last enabled at (414291): [] __up_console_sem+0xb4/0xfc [ 83.235315][ T4721] hardirqs last disabled at (414292): [] el1_dbg+0x24/0x80 [ 83.236739][ T4721] softirqs last enabled at (413960): [] local_bh_enable+0x10/0x34 [ 83.238403][ T4721] softirqs last disabled at (413958): [] local_bh_disable+0x10/0x34 [ 83.240091][ T4721] ---[ end trace 59faecd3d46a6dd7 ]---