Warning: Permanently added '10.128.1.197' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 parsed 1 programs [ 66.264125][ T4500] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.625253][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.626345][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.634781][ T7] cfg80211: failed to load regulatory.db [ 70.255477][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.256709][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.261150][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.263785][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.265146][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.266760][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.454076][ T4558] chnl_net:caif_netlink_parms(): no params data found [ 70.472174][ T4558] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.473433][ T4558] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.475068][ T4558] device bridge_slave_0 entered promiscuous mode [ 70.477478][ T4558] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.478560][ T4558] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.480037][ T4558] device bridge_slave_1 entered promiscuous mode [ 70.488218][ T4558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.490664][ T4558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.499935][ T4558] team0: Port device team_slave_0 added [ 70.501646][ T4558] team0: Port device team_slave_1 added [ 70.508427][ T4558] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.509585][ T4558] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.513797][ T4558] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.516363][ T4558] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.517490][ T4558] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.521050][ T4558] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.574923][ T4558] device hsr_slave_0 entered promiscuous mode [ 70.624141][ T4558] device hsr_slave_1 entered promiscuous mode [ 71.177345][ T4558] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.205343][ T4558] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.255424][ T4558] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.296034][ T4558] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.395782][ T4558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.400238][ T4558] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.404307][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.405657][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.407037][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.408485][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.409913][ T4245] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.411059][ T4245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.412286][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.413692][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.422401][ T4245] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.423550][ T4245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.442671][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.444282][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.446294][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.447950][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.450059][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.451618][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.453100][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.470721][ T4558] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.472240][ T4558] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.475831][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.477546][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.479031][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.480925][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.482496][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.487880][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.561138][ T4558] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.565242][ T574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.566441][ T574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.571136][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.572815][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.579798][ T4558] device veth0_vlan entered promiscuous mode [ 71.582701][ T4558] device veth1_vlan entered promiscuous mode [ 71.585399][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.586893][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.588406][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.589990][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.592084][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.600634][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.602254][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.604606][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.607553][ T4558] device veth0_macvtap entered promiscuous mode [ 71.609958][ T4558] device veth1_macvtap entered promiscuous mode [ 71.616754][ T4558] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.617874][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.619367][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.620794][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.622245][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.626234][ T4558] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.628486][ T4558] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.629772][ T4558] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.631055][ T4558] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.632473][ T4558] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.635541][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.637031][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.987983][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.016511][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.307046][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.357732][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:17 executed programs: 0 [ 77.917554][ T4996] chnl_net:caif_netlink_parms(): no params data found [ 77.948047][ T4996] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.949357][ T4996] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.950887][ T4996] device bridge_slave_0 entered promiscuous mode [ 77.952905][ T4996] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.954688][ T4996] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.956124][ T4996] device bridge_slave_1 entered promiscuous mode [ 77.966817][ T4996] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.969948][ T4996] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.978299][ T4996] team0: Port device team_slave_0 added [ 77.980196][ T4996] team0: Port device team_slave_1 added [ 77.987693][ T4996] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.988874][ T4996] 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. [ 77.992867][ T4996] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.995404][ T4996] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.996563][ T4996] 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. [ 78.000836][ T4996] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.027241][ T4996] device hsr_slave_0 entered promiscuous mode [ 78.084292][ T4996] device hsr_slave_1 entered promiscuous mode [ 78.094374][ T4996] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.095641][ T4996] Cannot create hsr debugfs directory [ 78.555260][ T4996] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.595444][ T4996] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.633830][ T4996] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.684778][ T4996] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.735474][ T4996] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.736677][ T4996] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.737926][ T4996] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.739128][ T4996] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.763429][ T4996] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.768890][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.770886][ T4245] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.772390][ T4245] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.776539][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.788751][ T4996] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.791890][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.793442][ T4245] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.794672][ T4245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.798958][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.800495][ T4245] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.801519][ T4245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.810970][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.812584][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.816507][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.819711][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.833792][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.837565][ T4996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.875398][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.876712][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.880702][ T4996] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.889721][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.897716][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.899371][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.900689][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.903258][ T4996] device veth0_vlan entered promiscuous mode [ 78.909388][ T4996] device veth1_vlan entered promiscuous mode [ 78.918014][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.919553][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.922320][ T4996] device veth0_macvtap entered promiscuous mode [ 78.927865][ T4996] device veth1_macvtap entered promiscuous mode [ 78.932823][ T4996] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.935170][ T4996] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.937537][ T4996] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.938990][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.940488][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.941881][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.943394][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.947570][ T4996] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.949275][ T4996] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.951352][ T4996] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.953662][ T4996] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.955574][ T4996] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.956909][ T4996] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.958111][ T4996] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.960459][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.962014][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.001968][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.003241][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.006452][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.018565][ T4245] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.019852][ T4245] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.021418][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.050638][ T5143] loop0: detected capacity change from 0 to 1024 [ 79.119092][ T5143] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 79.139351][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 79.141229][ T4996] ------------[ cut here ]------------ [ 79.141982][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 79.143480][ T4996] Modules linked in: [ 79.144101][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Not tainted syzkaller #0 [ 79.145372][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.146932][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.148120][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.148989][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.149974][ T4996] sp : ffff80001f886f80 [ 79.150699][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c1983020 [ 79.152084][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e24e7048 [ 79.153397][ T4996] x23: ffff0000e24e7070 x22: ffff0000c1983020 x21: 00000000bd8f6515 [ 79.154666][ T4996] x20: ffff0000c8832068 x19: ffff0000c8832000 x18: 0000000000000001 [ 79.155916][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 79.157235][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.158462][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 79.159670][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.160872][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 79.162068][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.163231][ T4996] Call trace: [ 79.163686][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 79.164521][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 79.165300][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 79.166202][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 79.167133][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 79.168012][ T4996] ext4_dirty_inode+0xd0/0x100 [ 79.168754][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 79.169472][ T4996] iput+0x1bc/0x77c [ 79.170031][ T4996] dentry_unlink_inode+0x360/0x438 [ 79.170755][ T4996] __dentry_kill+0x320/0x598 [ 79.171467][ T4996] shrink_dentry_list+0x410/0x7c8 [ 79.172317][ T4996] shrink_dcache_parent+0xb0/0x354 [ 79.173043][ T4996] do_one_tree+0x2c/0xf0 [ 79.173656][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 79.174453][ T4996] generic_shutdown_super+0x68/0x2f0 [ 79.175246][ T4996] kill_block_super+0x70/0xdc [ 79.175927][ T4996] deactivate_locked_super+0xb8/0x13c [ 79.176644][ T4996] deactivate_super+0xf8/0x118 [ 79.177394][ T4996] cleanup_mnt+0x3a4/0x458 [ 79.178109][ T4996] __cleanup_mnt+0x20/0x30 [ 79.178768][ T4996] task_work_run+0x12c/0x1e0 [ 79.179566][ T4996] do_notify_resume+0x24b4/0x3128 [ 79.180387][ T4996] el0_svc+0xf0/0x1e0 [ 79.181068][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 79.181892][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 79.182646][ T4996] irq event stamp: 136724 [ 79.183370][ T4996] hardirqs last enabled at (136723): [] __up_console_sem+0xb4/0x100 [ 79.184937][ T4996] hardirqs last disabled at (136724): [] el1_dbg+0x24/0x80 [ 79.186339][ T4996] softirqs last enabled at (136482): [] local_bh_enable+0x10/0x34 [ 79.187699][ T4996] softirqs last disabled at (136480): [] local_bh_disable+0x10/0x34 [ 79.189169][ T4996] ---[ end trace 339f327291b9ab8b ]--- [ 79.194432][ T4996] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2825: Unable to expand inode 14. Delete some EAs or run e2fsck. [ 79.245952][ T5170] loop0: detected capacity change from 0 to 1024 [ 79.290796][ T5170] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 79.307992][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 79.309732][ T4996] ------------[ cut here ]------------ [ 79.310484][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 79.311862][ T4996] Modules linked in: [ 79.312405][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.313641][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.315068][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.316319][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.317194][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.318070][ T4996] sp : ffff80001f886f80 [ 79.318718][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000cea68820 [ 79.319962][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed03be70 [ 79.321162][ T4996] x23: ffff0000ed03be98 x22: ffff0000cea68820 x21: 00000000bd8f6515 [ 79.322378][ T4996] x20: ffff0000ce8a2068 x19: ffff0000ce8a2000 x18: 0000000000000001 [ 79.323599][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 79.324704][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.325921][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 79.327155][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.328343][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 79.329493][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.330662][ T4996] Call trace: [ 79.331119][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 79.331892][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 79.332673][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 79.333498][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 79.334340][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 79.335175][ T4996] ext4_dirty_inode+0xd0/0x100 [ 79.335912][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 79.336705][ T4996] iput+0x1bc/0x77c [ 79.337256][ T4996] dentry_unlink_inode+0x360/0x438 [ 79.337990][ T4996] __dentry_kill+0x320/0x598 [ 79.338679][ T4996] shrink_dentry_list+0x410/0x7c8 [ 79.339426][ T4996] shrink_dcache_parent+0xb0/0x354 [ 79.340139][ T4996] do_one_tree+0x2c/0xf0 [ 79.340829][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 79.341664][ T4996] generic_shutdown_super+0x68/0x2f0 [ 79.342469][ T4996] kill_block_super+0x70/0xdc [ 79.343139][ T4996] deactivate_locked_super+0xb8/0x13c [ 79.343927][ T4996] deactivate_super+0xf8/0x118 [ 79.344710][ T4996] cleanup_mnt+0x3a4/0x458 [ 79.345316][ T4996] __cleanup_mnt+0x20/0x30 [ 79.346035][ T4996] task_work_run+0x12c/0x1e0 [ 79.346768][ T4996] do_notify_resume+0x24b4/0x3128 [ 79.347493][ T4996] el0_svc+0xf0/0x1e0 [ 79.348077][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 79.348829][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 79.349506][ T4996] irq event stamp: 140850 [ 79.350172][ T4996] hardirqs last enabled at (140849): [] __up_console_sem+0xb4/0x100 [ 79.351627][ T4996] hardirqs last disabled at (140850): [] el1_dbg+0x24/0x80 [ 79.352921][ T4996] softirqs last enabled at (140724): [] local_bh_enable+0x10/0x34 [ 79.354271][ T4996] softirqs last disabled at (140722): [] local_bh_disable+0x10/0x34 [ 79.355698][ T4996] ---[ end trace 339f327291b9ab8c ]--- [ 79.389097][ T5180] loop0: detected capacity change from 0 to 1024 [ 79.415500][ T5180] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 79.425175][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 79.427003][ T4996] ------------[ cut here ]------------ [ 79.427809][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 79.429399][ T4996] Modules linked in: [ 79.430054][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.431501][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.433124][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.434390][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.435352][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.436296][ T4996] sp : ffff80001f886f80 [ 79.436952][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d73f7820 [ 79.438200][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26e02a0 [ 79.439451][ T4996] x23: ffff0000e26e02c8 x22: ffff0000d73f7820 x21: 00000000bd8f6515 [ 79.440682][ T4996] x20: ffff0000eef02068 x19: ffff0000eef02000 x18: 0000000000000001 [ 79.441837][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 79.443079][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.444346][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 79.445720][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.447092][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 79.448413][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.449655][ T4996] Call trace: [ 79.450164][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 79.451021][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 79.451843][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 79.452728][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 79.453652][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 79.454582][ T4996] ext4_dirty_inode+0xd0/0x100 [ 79.455397][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 79.456190][ T4996] iput+0x1bc/0x77c [ 79.456799][ T4996] dentry_unlink_inode+0x360/0x438 [ 79.457574][ T4996] __dentry_kill+0x320/0x598 [ 79.458242][ T4996] shrink_dentry_list+0x410/0x7c8 [ 79.458974][ T4996] shrink_dcache_parent+0xb0/0x354 [ 79.459758][ T4996] do_one_tree+0x2c/0xf0 [ 79.460443][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 79.461286][ T4996] generic_shutdown_super+0x68/0x2f0 [ 79.462087][ T4996] kill_block_super+0x70/0xdc [ 79.462773][ T4996] deactivate_locked_super+0xb8/0x13c [ 79.463562][ T4996] deactivate_super+0xf8/0x118 [ 79.464311][ T4996] cleanup_mnt+0x3a4/0x458 [ 79.465024][ T4996] __cleanup_mnt+0x20/0x30 [ 79.465735][ T4996] task_work_run+0x12c/0x1e0 [ 79.466447][ T4996] do_notify_resume+0x24b4/0x3128 [ 79.467208][ T4996] el0_svc+0xf0/0x1e0 [ 79.467878][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 79.468709][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 79.469405][ T4996] irq event stamp: 145610 [ 79.470088][ T4996] hardirqs last enabled at (145609): [] __up_console_sem+0xb4/0x100 [ 79.471576][ T4996] hardirqs last disabled at (145610): [] el1_dbg+0x24/0x80 [ 79.472925][ T4996] softirqs last enabled at (145404): [] local_bh_enable+0x10/0x34 [ 79.474336][ T4996] softirqs last disabled at (145402): [] local_bh_disable+0x10/0x34 [ 79.475747][ T4996] ---[ end trace 339f327291b9ab8d ]--- [ 79.517522][ T5184] loop0: detected capacity change from 0 to 1024 [ 79.535310][ T5184] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 79.542580][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 79.552855][ T4996] ------------[ cut here ]------------ [ 79.553730][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 79.555250][ T4996] Modules linked in: [ 79.555858][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.557215][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.558897][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.560191][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.561087][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.562045][ T4996] sp : ffff80001f886f80 [ 79.562693][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c9177020 [ 79.563976][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e24602a0 [ 79.565224][ T4996] x23: ffff0000e24602c8 x22: ffff0000c9177020 x21: 00000000bd8f6515 [ 79.566488][ T4996] x20: ffff0000ca108068 x19: ffff0000ca108000 x18: 1fffe0003421a996 [ 79.567813][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 79.569173][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 79.570523][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 79.571901][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 79.573235][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 79.574397][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.575617][ T4996] Call trace: [ 79.576100][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 79.576930][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 79.577736][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 79.578583][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 79.579468][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 79.580276][ T4996] ext4_dirty_inode+0xd0/0x100 [ 79.581015][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 79.581744][ T4996] iput+0x1bc/0x77c [ 79.582355][ T4996] dentry_unlink_inode+0x360/0x438 [ 79.583137][ T4996] __dentry_kill+0x320/0x598 [ 79.583777][ T4996] shrink_dentry_list+0x410/0x7c8 [ 79.584458][ T4996] shrink_dcache_parent+0xb0/0x354 [ 79.585163][ T4996] do_one_tree+0x2c/0xf0 [ 79.585750][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 79.586587][ T4996] generic_shutdown_super+0x68/0x2f0 [ 79.587420][ T4996] kill_block_super+0x70/0xdc [ 79.588147][ T4996] deactivate_locked_super+0xb8/0x13c [ 79.588975][ T4996] deactivate_super+0xf8/0x118 [ 79.589710][ T4996] cleanup_mnt+0x3a4/0x458 [ 79.590425][ T4996] __cleanup_mnt+0x20/0x30 [ 79.591148][ T4996] task_work_run+0x12c/0x1e0 [ 79.591922][ T4996] do_notify_resume+0x24b4/0x3128 [ 79.592739][ T4996] el0_svc+0xf0/0x1e0 [ 79.593405][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 79.594202][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 79.594893][ T4996] irq event stamp: 149598 [ 79.595482][ T4996] hardirqs last enabled at (149597): [] finish_lock_switch+0xb0/0x1c4 [ 79.597056][ T4996] hardirqs last disabled at (149598): [] el1_dbg+0x24/0x80 [ 79.598306][ T4996] softirqs last enabled at (149592): [] handle_softirqs+0xa4c/0xbf0 [ 79.599693][ T4996] softirqs last disabled at (149545): [] __irq_exit_rcu+0x240/0x440 [ 79.601094][ T4996] ---[ end trace 339f327291b9ab8e ]--- [ 79.636438][ T5188] loop0: detected capacity change from 0 to 1024 [ 79.686555][ T5188] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 79.696782][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 79.698682][ T4996] ------------[ cut here ]------------ [ 79.699460][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 79.701016][ T4996] Modules linked in: [ 79.701617][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.702961][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.704496][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.705734][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.706586][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.707545][ T4996] sp : ffff80001f886f80 [ 79.708167][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d5aef820 [ 79.709461][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2463478 [ 79.710815][ T4996] x23: ffff0000e24634a0 x22: ffff0000d5aef820 x21: 00000000bd8f6515 [ 79.712140][ T4996] x20: ffff0000eedb2068 x19: ffff0000eedb2000 x18: 0000000000000001 [ 79.713477][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 79.714868][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.716164][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 79.717489][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.718850][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 79.720116][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.721420][ T4996] Call trace: [ 79.721935][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 79.722832][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 79.723692][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 79.724605][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 79.725528][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 79.726428][ T4996] ext4_dirty_inode+0xd0/0x100 [ 79.727184][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 79.728008][ T4996] iput+0x1bc/0x77c [ 79.728614][ T4996] dentry_unlink_inode+0x360/0x438 [ 79.729428][ T4996] __dentry_kill+0x320/0x598 [ 79.730119][ T4996] shrink_dentry_list+0x410/0x7c8 [ 79.730910][ T4996] shrink_dcache_parent+0xb0/0x354 [ 79.731720][ T4996] do_one_tree+0x2c/0xf0 [ 79.732411][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 79.733265][ T4996] generic_shutdown_super+0x68/0x2f0 [ 79.734031][ T4996] kill_block_super+0x70/0xdc [ 79.734736][ T4996] deactivate_locked_super+0xb8/0x13c [ 79.735550][ T4996] deactivate_super+0xf8/0x118 [ 79.736236][ T4996] cleanup_mnt+0x3a4/0x458 [ 79.736953][ T4996] __cleanup_mnt+0x20/0x30 [ 79.737687][ T4996] task_work_run+0x12c/0x1e0 [ 79.738419][ T4996] do_notify_resume+0x24b4/0x3128 [ 79.739220][ T4996] el0_svc+0xf0/0x1e0 [ 79.739832][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 79.740609][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 79.741298][ T4996] irq event stamp: 153298 [ 79.742006][ T4996] hardirqs last enabled at (153297): [] __up_console_sem+0xb4/0x100 [ 79.743514][ T4996] hardirqs last disabled at (153298): [] el1_dbg+0x24/0x80 [ 79.744955][ T4996] softirqs last enabled at (153112): [] local_bh_enable+0x10/0x34 [ 79.746407][ T4996] softirqs last disabled at (153110): [] local_bh_disable+0x10/0x34 [ 79.747921][ T4996] ---[ end trace 339f327291b9ab8f ]--- [ 79.797092][ T5192] loop0: detected capacity change from 0 to 1024 [ 79.805197][ T5192] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 79.815800][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 79.817667][ T4996] ------------[ cut here ]------------ [ 79.818477][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 79.820002][ T4996] Modules linked in: [ 79.820650][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.822100][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.823603][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.824812][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.825811][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 79.826732][ T4996] sp : ffff80001f886f80 [ 79.827426][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d59c3820 [ 79.828698][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26e3478 [ 79.830082][ T4996] x23: ffff0000e26e34a0 x22: ffff0000d59c3820 x21: 00000000bd8f6515 [ 79.831419][ T4996] x20: ffff0000d0144068 x19: ffff0000d0144000 x18: 1fffe00034216796 [ 79.832766][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 79.834027][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 79.835330][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 79.836634][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 79.837898][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 79.839199][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 79.840468][ T4996] Call trace: [ 79.841046][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 79.841886][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 79.842789][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 79.843702][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 79.844680][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 79.845535][ T4996] ext4_dirty_inode+0xd0/0x100 [ 79.846351][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 79.847226][ T4996] iput+0x1bc/0x77c [ 79.847858][ T4996] dentry_unlink_inode+0x360/0x438 [ 79.848686][ T4996] __dentry_kill+0x320/0x598 [ 79.849429][ T4996] shrink_dentry_list+0x410/0x7c8 [ 79.850255][ T4996] shrink_dcache_parent+0xb0/0x354 [ 79.851126][ T4996] do_one_tree+0x2c/0xf0 [ 79.851827][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 79.852746][ T4996] generic_shutdown_super+0x68/0x2f0 [ 79.853639][ T4996] kill_block_super+0x70/0xdc [ 79.854346][ T4996] deactivate_locked_super+0xb8/0x13c [ 79.855221][ T4996] deactivate_super+0xf8/0x118 [ 79.856015][ T4996] cleanup_mnt+0x3a4/0x458 [ 79.856753][ T4996] __cleanup_mnt+0x20/0x30 [ 79.857495][ T4996] task_work_run+0x12c/0x1e0 [ 79.858264][ T4996] do_notify_resume+0x24b4/0x3128 [ 79.859082][ T4996] el0_svc+0xf0/0x1e0 [ 79.859740][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 79.860524][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 79.861244][ T4996] irq event stamp: 157398 [ 79.861913][ T4996] hardirqs last enabled at (157397): [] finish_lock_switch+0xb0/0x1c4 [ 79.863532][ T4996] hardirqs last disabled at (157398): [] el1_dbg+0x24/0x80 [ 79.864987][ T4996] softirqs last enabled at (157318): [] local_bh_enable+0x10/0x34 [ 79.866563][ T4996] softirqs last disabled at (157316): [] local_bh_disable+0x10/0x34 [ 79.867968][ T4996] ---[ end trace 339f327291b9ab90 ]--- [ 79.918575][ T5196] loop0: detected capacity change from 0 to 1024 [ 79.954452][ T4163] Bluetooth: hci0: command 0x0409 tx timeout [ 79.985319][ T5196] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 79.997924][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 80.000118][ T4996] ------------[ cut here ]------------ [ 80.000944][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 80.002431][ T4996] Modules linked in: [ 80.003080][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.004517][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.006096][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.007195][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.007973][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.008791][ T4996] sp : ffff80001f886f80 [ 80.009374][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000dc3b2820 [ 80.010479][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26e6650 [ 80.011664][ T4996] x23: ffff0000e26e6678 x22: ffff0000dc3b2820 x21: 00000000bd8f6515 [ 80.012912][ T4996] x20: ffff0000e96d0068 x19: ffff0000e96d0000 x18: 1fffe0003421a996 [ 80.014042][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 80.015175][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 80.016463][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 80.017742][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 80.019040][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 80.020225][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.021521][ T4996] Call trace: [ 80.022036][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 80.022901][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 80.023714][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 80.024563][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 80.025419][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 80.026187][ T4996] ext4_dirty_inode+0xd0/0x100 [ 80.026866][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 80.027578][ T4996] iput+0x1bc/0x77c [ 80.028143][ T4996] dentry_unlink_inode+0x360/0x438 [ 80.028894][ T4996] __dentry_kill+0x320/0x598 [ 80.029616][ T4996] shrink_dentry_list+0x410/0x7c8 [ 80.030318][ T4996] shrink_dcache_parent+0xb0/0x354 [ 80.031101][ T4996] do_one_tree+0x2c/0xf0 [ 80.031754][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 80.032532][ T4996] generic_shutdown_super+0x68/0x2f0 [ 80.033336][ T4996] kill_block_super+0x70/0xdc [ 80.033989][ T4996] deactivate_locked_super+0xb8/0x13c [ 80.034801][ T4996] deactivate_super+0xf8/0x118 [ 80.035468][ T4996] cleanup_mnt+0x3a4/0x458 [ 80.036110][ T4996] __cleanup_mnt+0x20/0x30 [ 80.036709][ T4996] task_work_run+0x12c/0x1e0 [ 80.037388][ T4996] do_notify_resume+0x24b4/0x3128 [ 80.038193][ T4996] el0_svc+0xf0/0x1e0 [ 80.038818][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 80.039582][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 80.040323][ T4996] irq event stamp: 161950 [ 80.041054][ T4996] hardirqs last enabled at (161949): [] finish_lock_switch+0xb0/0x1c4 [ 80.042644][ T4996] hardirqs last disabled at (161950): [] el1_dbg+0x24/0x80 [ 80.044009][ T4996] softirqs last enabled at (161794): [] local_bh_enable+0x10/0x34 [ 80.045513][ T4996] softirqs last disabled at (161792): [] local_bh_disable+0x10/0x34 [ 80.046948][ T4996] ---[ end trace 339f327291b9ab91 ]--- [ 80.086166][ T5200] loop0: detected capacity change from 0 to 1024 [ 80.186405][ T5200] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 80.194745][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 80.196404][ T4996] ------------[ cut here ]------------ [ 80.197136][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 80.198527][ T4996] Modules linked in: [ 80.199080][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.200378][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.201970][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.203153][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.204110][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.205082][ T4996] sp : ffff80001f886f80 [ 80.205727][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c111f820 [ 80.207028][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26702a0 [ 80.208336][ T4996] x23: ffff0000e26702c8 x22: ffff0000c111f820 x21: 00000000bd8f6515 [ 80.209744][ T4996] x20: ffff0000d4b0e068 x19: ffff0000d4b0e000 x18: 0000000000000001 [ 80.211115][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 80.212481][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.213774][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 80.214991][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.216313][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 80.217583][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.218852][ T4996] Call trace: [ 80.219386][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 80.220167][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 80.221059][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 80.222039][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 80.222993][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 80.223835][ T4996] ext4_dirty_inode+0xd0/0x100 [ 80.224638][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 80.225476][ T4996] iput+0x1bc/0x77c [ 80.226062][ T4996] dentry_unlink_inode+0x360/0x438 [ 80.226859][ T4996] __dentry_kill+0x320/0x598 [ 80.227582][ T4996] shrink_dentry_list+0x410/0x7c8 [ 80.228318][ T4996] shrink_dcache_parent+0xb0/0x354 [ 80.229213][ T4996] do_one_tree+0x2c/0xf0 [ 80.229867][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 80.230824][ T4996] generic_shutdown_super+0x68/0x2f0 [ 80.231662][ T4996] kill_block_super+0x70/0xdc [ 80.232483][ T4996] deactivate_locked_super+0xb8/0x13c [ 80.233363][ T4996] deactivate_super+0xf8/0x118 [ 80.234116][ T4996] cleanup_mnt+0x3a4/0x458 [ 80.234810][ T4996] __cleanup_mnt+0x20/0x30 [ 80.235462][ T4996] task_work_run+0x12c/0x1e0 [ 80.236180][ T4996] do_notify_resume+0x24b4/0x3128 [ 80.237006][ T4996] el0_svc+0xf0/0x1e0 [ 80.237656][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 80.238462][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 80.239199][ T4996] irq event stamp: 165954 [ 80.239884][ T4996] hardirqs last enabled at (165953): [] __up_console_sem+0xb4/0x100 [ 80.241496][ T4996] hardirqs last disabled at (165954): [] el1_dbg+0x24/0x80 [ 80.242872][ T4996] softirqs last enabled at (165718): [] local_bh_enable+0x10/0x34 [ 80.244470][ T4996] softirqs last disabled at (165716): [] local_bh_disable+0x10/0x34 [ 80.246033][ T4996] ---[ end trace 339f327291b9ab92 ]--- [ 80.276806][ T5204] loop0: detected capacity change from 0 to 1024 [ 80.296399][ T5204] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 80.304412][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 80.307182][ T4996] ------------[ cut here ]------------ [ 80.307991][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 80.309289][ T4996] Modules linked in: [ 80.309819][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.311049][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.312419][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.313488][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.314485][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.315325][ T4996] sp : ffff80001f886f80 [ 80.315948][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d0d44820 [ 80.317092][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26c8c98 [ 80.318380][ T4996] x23: ffff0000e26c8cc0 x22: ffff0000d0d44820 x21: 00000000bd8f6515 [ 80.319678][ T4996] x20: ffff0000e8f8e068 x19: ffff0000e8f8e000 x18: 1fffe0003421a996 [ 80.320954][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 80.322186][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 80.323457][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 80.324649][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 80.325892][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 80.327106][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.328321][ T4996] Call trace: [ 80.328840][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 80.329621][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 80.330468][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 80.331347][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 80.332242][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 80.333057][ T4996] ext4_dirty_inode+0xd0/0x100 [ 80.333729][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 80.334478][ T4996] iput+0x1bc/0x77c [ 80.335050][ T4996] dentry_unlink_inode+0x360/0x438 [ 80.335843][ T4996] __dentry_kill+0x320/0x598 [ 80.336606][ T4996] shrink_dentry_list+0x410/0x7c8 [ 80.337406][ T4996] shrink_dcache_parent+0xb0/0x354 [ 80.338162][ T4996] do_one_tree+0x2c/0xf0 [ 80.338780][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 80.339630][ T4996] generic_shutdown_super+0x68/0x2f0 [ 80.340452][ T4996] kill_block_super+0x70/0xdc [ 80.341187][ T4996] deactivate_locked_super+0xb8/0x13c [ 80.342006][ T4996] deactivate_super+0xf8/0x118 [ 80.342763][ T4996] cleanup_mnt+0x3a4/0x458 [ 80.343476][ T4996] __cleanup_mnt+0x20/0x30 [ 80.344122][ T4996] task_work_run+0x12c/0x1e0 [ 80.344834][ T4996] do_notify_resume+0x24b4/0x3128 [ 80.345564][ T4996] el0_svc+0xf0/0x1e0 [ 80.346203][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 80.347006][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 80.347708][ T4996] irq event stamp: 170188 [ 80.348340][ T4996] hardirqs last enabled at (170187): [] finish_lock_switch+0xb0/0x1c4 [ 80.349824][ T4996] hardirqs last disabled at (170188): [] el1_dbg+0x24/0x80 [ 80.351111][ T4996] softirqs last enabled at (170160): [] handle_softirqs+0xa4c/0xbf0 [ 80.352484][ T4996] softirqs last disabled at (170121): [] __irq_exit_rcu+0x240/0x440 [ 80.353957][ T4996] ---[ end trace 339f327291b9ab93 ]--- [ 80.400609][ T5208] loop0: detected capacity change from 0 to 1024 [ 80.455923][ T5208] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 80.463098][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 80.464973][ T4996] ------------[ cut here ]------------ [ 80.465823][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 80.467212][ T4996] Modules linked in: [ 80.467817][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.469119][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.470505][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.471591][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.472444][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.473298][ T4996] sp : ffff80001f886f80 [ 80.473931][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c1987020 [ 80.475174][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26cbe70 [ 80.476376][ T4996] x23: ffff0000e26cbe98 x22: ffff0000c1987020 x21: 00000000bd8f6515 [ 80.477497][ T4996] x20: ffff0000de37c068 x19: ffff0000de37c000 x18: 0000000000000001 [ 80.478876][ T4996] x17: 0000000000000000 x16: ffff80000830215c x15: 00000000ffffffff [ 80.480242][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.481603][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 80.482822][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.484070][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000830226c [ 80.485312][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.486600][ T4996] Call trace: [ 80.487137][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 80.487973][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 80.488780][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 80.489681][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 80.490514][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 80.491291][ T4996] ext4_dirty_inode+0xd0/0x100 [ 80.491998][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 80.492797][ T4996] iput+0x1bc/0x77c [ 80.493423][ T4996] dentry_unlink_inode+0x360/0x438 [ 80.494278][ T4996] __dentry_kill+0x320/0x598 [ 80.495014][ T4996] shrink_dentry_list+0x410/0x7c8 [ 80.495800][ T4996] shrink_dcache_parent+0xb0/0x354 [ 80.496596][ T4996] do_one_tree+0x2c/0xf0 [ 80.497229][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 80.498030][ T4996] generic_shutdown_super+0x68/0x2f0 [ 80.498781][ T4996] kill_block_super+0x70/0xdc [ 80.499450][ T4996] deactivate_locked_super+0xb8/0x13c [ 80.500228][ T4996] deactivate_super+0xf8/0x118 [ 80.500925][ T4996] cleanup_mnt+0x3a4/0x458 [ 80.501580][ T4996] __cleanup_mnt+0x20/0x30 [ 80.502221][ T4996] task_work_run+0x12c/0x1e0 [ 80.502829][ T4996] do_notify_resume+0x24b4/0x3128 [ 80.503573][ T4996] el0_svc+0xf0/0x1e0 [ 80.504124][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 80.504839][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 80.505508][ T4996] irq event stamp: 174006 [ 80.506210][ T4996] hardirqs last enabled at (174005): [] __up_console_sem+0xb4/0x100 [ 80.507746][ T4996] hardirqs last disabled at (174006): [] el1_dbg+0x24/0x80 [ 80.509063][ T4996] softirqs last enabled at (174002): [] handle_softirqs+0xa4c/0xbf0 [ 80.510478][ T4996] softirqs last disabled at (173991): [] __irq_exit_rcu+0x240/0x440 [ 80.511830][ T4996] ---[ end trace 339f327291b9ab94 ]--- [ 80.555265][ T5212] loop0: detected capacity change from 0 to 1024 [ 80.598382][ T5212] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 80.606822][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 80.608609][ T4996] ------------[ cut here ]------------ [ 80.609386][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 80.610978][ T4996] Modules linked in: [ 80.611594][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.613083][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.614653][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.615944][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.616865][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.617742][ T4996] sp : ffff80001f886f80 [ 80.618401][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d5ae8820 [ 80.619628][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26cf048 [ 80.620937][ T4996] x23: ffff0000e26cf070 x22: ffff0000d5ae8820 x21: 00000000bd8f6515 [ 80.622271][ T4996] x20: ffff0000e8702068 x19: ffff0000e8702000 x18: 0000000000000001 [ 80.623529][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 80.624777][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.626148][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 80.627409][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.628690][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 80.630026][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.631324][ T4996] Call trace: [ 80.631820][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 80.632659][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 80.633553][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 80.634581][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 80.635512][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 80.636348][ T4996] ext4_dirty_inode+0xd0/0x100 [ 80.637100][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 80.637861][ T4996] iput+0x1bc/0x77c [ 80.638432][ T4996] dentry_unlink_inode+0x360/0x438 [ 80.639263][ T4996] __dentry_kill+0x320/0x598 [ 80.639938][ T4996] shrink_dentry_list+0x410/0x7c8 [ 80.640758][ T4996] shrink_dcache_parent+0xb0/0x354 [ 80.641549][ T4996] do_one_tree+0x2c/0xf0 [ 80.642214][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 80.643068][ T4996] generic_shutdown_super+0x68/0x2f0 [ 80.643971][ T4996] kill_block_super+0x70/0xdc [ 80.644724][ T4996] deactivate_locked_super+0xb8/0x13c [ 80.645501][ T4996] deactivate_super+0xf8/0x118 [ 80.646246][ T4996] cleanup_mnt+0x3a4/0x458 [ 80.646887][ T4996] __cleanup_mnt+0x20/0x30 [ 80.647627][ T4996] task_work_run+0x12c/0x1e0 [ 80.648427][ T4996] do_notify_resume+0x24b4/0x3128 [ 80.649288][ T4996] el0_svc+0xf0/0x1e0 [ 80.649955][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 80.650833][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 80.651588][ T4996] irq event stamp: 178040 [ 80.652229][ T4996] hardirqs last enabled at (178039): [] __up_console_sem+0xb4/0x100 [ 80.653677][ T4996] hardirqs last disabled at (178040): [] el1_dbg+0x24/0x80 [ 80.654919][ T4996] softirqs last enabled at (177838): [] local_bh_enable+0x10/0x34 [ 80.656402][ T4996] softirqs last disabled at (177836): [] local_bh_disable+0x10/0x34 [ 80.657948][ T4996] ---[ end trace 339f327291b9ab95 ]--- [ 80.689521][ T9] device hsr_slave_0 left promiscuous mode [ 80.707146][ T5216] loop0: detected capacity change from 0 to 1024 [ 80.724555][ T9] device hsr_slave_1 left promiscuous mode [ 80.725700][ T5216] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 80.736931][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 80.738709][ T4996] ------------[ cut here ]------------ [ 80.739455][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 80.741021][ T4996] Modules linked in: [ 80.741630][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.743001][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.744653][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.745884][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.746806][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.747732][ T4996] sp : ffff80001f886f80 [ 80.748407][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000e8afb020 [ 80.749609][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2672088 [ 80.750897][ T4996] x23: ffff0000e26720b0 x22: ffff0000e8afb020 x21: 00000000bd8f6515 [ 80.752047][ T4996] x20: ffff0000d3d04068 x19: ffff0000d3d04000 x18: 0000000000000001 [ 80.753371][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 80.754663][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.755828][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 80.757040][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.758322][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 80.759615][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.760955][ T4996] Call trace: [ 80.761511][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 80.762363][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 80.763209][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 80.764106][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 80.764919][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 80.765807][ T4996] ext4_dirty_inode+0xd0/0x100 [ 80.766599][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 80.767462][ T4996] iput+0x1bc/0x77c [ 80.768053][ T4996] dentry_unlink_inode+0x360/0x438 [ 80.768926][ T4996] __dentry_kill+0x320/0x598 [ 80.769660][ T4996] shrink_dentry_list+0x410/0x7c8 [ 80.770469][ T4996] shrink_dcache_parent+0xb0/0x354 [ 80.771254][ T4996] do_one_tree+0x2c/0xf0 [ 80.771927][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 80.772797][ T4996] generic_shutdown_super+0x68/0x2f0 [ 80.773687][ T4996] kill_block_super+0x70/0xdc [ 80.774449][ T4996] deactivate_locked_super+0xb8/0x13c [ 80.775380][ T4996] deactivate_super+0xf8/0x118 [ 80.776217][ T4996] cleanup_mnt+0x3a4/0x458 [ 80.776940][ T4996] __cleanup_mnt+0x20/0x30 [ 80.777621][ T4996] task_work_run+0x12c/0x1e0 [ 80.778339][ T4996] do_notify_resume+0x24b4/0x3128 [ 80.779157][ T4996] el0_svc+0xf0/0x1e0 [ 80.779739][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 80.780506][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 80.781234][ T4996] irq event stamp: 181820 [ 80.781917][ T4996] hardirqs last enabled at (181819): [] __up_console_sem+0xb4/0x100 [ 80.783424][ T4996] hardirqs last disabled at (181820): [] el1_dbg+0x24/0x80 [ 80.784819][ T4996] softirqs last enabled at (181674): [] local_bh_enable+0x10/0x34 [ 80.786323][ T4996] softirqs last disabled at (181672): [] local_bh_disable+0x10/0x34 [ 80.787824][ T4996] ---[ end trace 339f327291b9ab96 ]--- [ 80.833958][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.835219][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.837396][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.838551][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.839879][ T9] device bridge_slave_1 left promiscuous mode [ 80.840983][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.850056][ T5220] loop0: detected capacity change from 0 to 1024 [ 80.894610][ T9] device bridge_slave_0 left promiscuous mode [ 80.895657][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.905566][ T5220] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 80.913455][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 80.915931][ T4996] ------------[ cut here ]------------ [ 80.916787][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 80.918274][ T4996] Modules linked in: [ 80.918855][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.920185][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.921805][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.923107][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.923962][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 80.924896][ T4996] sp : ffff80001f886f80 [ 80.925590][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d5ca6020 [ 80.926861][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2783e70 [ 80.928133][ T4996] x23: ffff0000e2783e98 x22: ffff0000d5ca6020 x21: 00000000bd8f6515 [ 80.929303][ T4996] x20: ffff0000ef83a068 x19: ffff0000ef83a000 x18: 1fffe0003421a996 [ 80.930478][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 80.931637][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 80.932868][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 80.934148][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 80.935336][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 80.936551][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 80.937790][ T4996] Call trace: [ 80.938311][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 80.939175][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 80.940078][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 80.940970][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 80.941849][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 80.942691][ T4996] ext4_dirty_inode+0xd0/0x100 [ 80.943428][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 80.944141][ T4996] iput+0x1bc/0x77c [ 80.944669][ T4996] dentry_unlink_inode+0x360/0x438 [ 80.945427][ T4996] __dentry_kill+0x320/0x598 [ 80.946143][ T4996] shrink_dentry_list+0x410/0x7c8 [ 80.946974][ T4996] shrink_dcache_parent+0xb0/0x354 [ 80.947751][ T4996] do_one_tree+0x2c/0xf0 [ 80.948398][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 80.949175][ T4996] generic_shutdown_super+0x68/0x2f0 [ 80.949941][ T4996] kill_block_super+0x70/0xdc [ 80.950602][ T4996] deactivate_locked_super+0xb8/0x13c [ 80.951364][ T4996] deactivate_super+0xf8/0x118 [ 80.952032][ T4996] cleanup_mnt+0x3a4/0x458 [ 80.952749][ T4996] __cleanup_mnt+0x20/0x30 [ 80.953496][ T4996] task_work_run+0x12c/0x1e0 [ 80.954225][ T4996] do_notify_resume+0x24b4/0x3128 [ 80.954974][ T4996] el0_svc+0xf0/0x1e0 [ 80.955618][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 80.956450][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 80.957179][ T4996] irq event stamp: 186660 [ 80.957879][ T4996] hardirqs last enabled at (186659): [] finish_lock_switch+0xb0/0x1c4 [ 80.959432][ T4996] hardirqs last disabled at (186660): [] el1_dbg+0x24/0x80 [ 80.960787][ T4996] softirqs last enabled at (186654): [] handle_softirqs+0xa4c/0xbf0 [ 80.962314][ T4996] softirqs last disabled at (186625): [] __irq_exit_rcu+0x240/0x440 [ 80.963646][ T4996] ---[ end trace 339f327291b9ab97 ]--- [ 81.022685][ T5224] loop0: detected capacity change from 0 to 1024 [ 81.035530][ T5224] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 81.042982][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 81.045382][ T4996] ------------[ cut here ]------------ [ 81.046244][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 81.047685][ T4996] Modules linked in: [ 81.048265][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.049530][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.050903][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.052002][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.052844][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.053655][ T4996] sp : ffff80001f886f80 [ 81.054273][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ec5f1820 [ 81.055511][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2787048 [ 81.056808][ T4996] x23: ffff0000e2787070 x22: ffff0000ec5f1820 x21: 00000000bd8f6515 [ 81.058093][ T4996] x20: ffff0000dd6fc068 x19: ffff0000dd6fc000 x18: 1fffe0003421a996 [ 81.059495][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 81.060788][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 81.062084][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 81.063273][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 81.064528][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 81.065728][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.066959][ T4996] Call trace: [ 81.067455][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 81.068324][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 81.069096][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 81.069963][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 81.070786][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 81.071638][ T4996] ext4_dirty_inode+0xd0/0x100 [ 81.072428][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 81.073254][ T4996] iput+0x1bc/0x77c [ 81.073865][ T4996] dentry_unlink_inode+0x360/0x438 [ 81.074595][ T4996] __dentry_kill+0x320/0x598 [ 81.075335][ T4996] shrink_dentry_list+0x410/0x7c8 [ 81.076087][ T4996] shrink_dcache_parent+0xb0/0x354 [ 81.076814][ T4996] do_one_tree+0x2c/0xf0 [ 81.077422][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 81.078215][ T4996] generic_shutdown_super+0x68/0x2f0 [ 81.079041][ T4996] kill_block_super+0x70/0xdc [ 81.079770][ T4996] deactivate_locked_super+0xb8/0x13c [ 81.080570][ T4996] deactivate_super+0xf8/0x118 [ 81.081295][ T4996] cleanup_mnt+0x3a4/0x458 [ 81.081982][ T4996] __cleanup_mnt+0x20/0x30 [ 81.082663][ T4996] task_work_run+0x12c/0x1e0 [ 81.083402][ T4996] do_notify_resume+0x24b4/0x3128 [ 81.084194][ T4996] el0_svc+0xf0/0x1e0 [ 81.084794][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 81.085501][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 81.086170][ T4996] irq event stamp: 190458 [ 81.086824][ T4996] hardirqs last enabled at (190457): [] finish_lock_switch+0xb0/0x1c4 [ 81.088316][ T4996] hardirqs last disabled at (190458): [] el1_dbg+0x24/0x80 [ 81.089679][ T4996] softirqs last enabled at (190452): [] handle_softirqs+0xa4c/0xbf0 [ 81.091285][ T4996] softirqs last disabled at (190413): [] __irq_exit_rcu+0x240/0x440 [ 81.092817][ T4996] ---[ end trace 339f327291b9ab98 ]--- [ 81.094128][ T9] device veth1_macvtap left promiscuous mode [ 81.095080][ T9] device veth0_macvtap left promiscuous mode [ 81.096065][ T9] device veth1_vlan left promiscuous mode [ 81.097688][ T9] device veth0_vlan left promiscuous mode [ 81.136008][ T5228] loop0: detected capacity change from 0 to 1024 [ 81.157077][ T5228] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 81.169535][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 81.171262][ T4996] ------------[ cut here ]------------ [ 81.172017][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 81.173343][ T4996] Modules linked in: [ 81.173889][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.175177][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.176678][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.177825][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.178634][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.179433][ T4996] sp : ffff80001f886f80 [ 81.180008][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c94a4820 [ 81.181377][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e278aa80 [ 81.182681][ T4996] x23: ffff0000e278aaa8 x22: ffff0000c94a4820 x21: 00000000bd8f6515 [ 81.184053][ T4996] x20: ffff0000d6c1a068 x19: ffff0000d6c1a000 x18: 0000000000000001 [ 81.185315][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 81.186577][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.187893][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 81.189280][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.190555][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 81.191866][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.193128][ T4996] Call trace: [ 81.193663][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 81.194605][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 81.195481][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 81.196481][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 81.197471][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 81.198325][ T4996] ext4_dirty_inode+0xd0/0x100 [ 81.199078][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 81.199919][ T4996] iput+0x1bc/0x77c [ 81.200516][ T4996] dentry_unlink_inode+0x360/0x438 [ 81.201303][ T4996] __dentry_kill+0x320/0x598 [ 81.202102][ T4996] shrink_dentry_list+0x410/0x7c8 [ 81.202967][ T4996] shrink_dcache_parent+0xb0/0x354 [ 81.203834][ T4996] do_one_tree+0x2c/0xf0 [ 81.204557][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 81.205476][ T4996] generic_shutdown_super+0x68/0x2f0 [ 81.206377][ T4996] kill_block_super+0x70/0xdc [ 81.207114][ T4996] deactivate_locked_super+0xb8/0x13c [ 81.207992][ T4996] deactivate_super+0xf8/0x118 [ 81.208724][ T4996] cleanup_mnt+0x3a4/0x458 [ 81.209450][ T4996] __cleanup_mnt+0x20/0x30 [ 81.210143][ T4996] task_work_run+0x12c/0x1e0 [ 81.210804][ T4996] do_notify_resume+0x24b4/0x3128 [ 81.211591][ T4996] el0_svc+0xf0/0x1e0 [ 81.212195][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 81.212990][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 81.213752][ T4996] irq event stamp: 194306 [ 81.214396][ T4996] hardirqs last enabled at (194305): [] __up_console_sem+0xb4/0x100 [ 81.215778][ T4996] hardirqs last disabled at (194306): [] el1_dbg+0x24/0x80 [ 81.217039][ T4996] softirqs last enabled at (194084): [] local_bh_enable+0x10/0x34 [ 81.218459][ T4996] softirqs last disabled at (194082): [] local_bh_disable+0x10/0x34 [ 81.219952][ T4996] ---[ end trace 339f327291b9ab99 ]--- [ 81.267870][ T5232] loop0: detected capacity change from 0 to 1024 [ 81.271806][ T9] team0 (unregistering): Port device team_slave_1 removed [ 81.278972][ T9] team0 (unregistering): Port device team_slave_0 removed [ 81.282760][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 81.326916][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.357652][ T5232] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 81.366545][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 81.368137][ T4996] ------------[ cut here ]------------ [ 81.368910][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 81.370486][ T4996] Modules linked in: [ 81.371071][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.372321][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.373750][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.375043][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.376011][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.376942][ T4996] sp : ffff80001f886f80 [ 81.377619][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ce2f7820 [ 81.378859][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2674868 [ 81.380086][ T4996] x23: ffff0000e2674890 x22: ffff0000ce2f7820 x21: 00000000bd8f6515 [ 81.381323][ T4996] x20: ffff0000d80d8068 x19: ffff0000d80d8000 x18: 0000000000000001 [ 81.382643][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 81.383980][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.385293][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 81.386598][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.387871][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 81.389169][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.390443][ T4996] Call trace: [ 81.390938][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 81.391787][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 81.392640][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 81.393554][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 81.394414][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 81.395266][ T4996] ext4_dirty_inode+0xd0/0x100 [ 81.396023][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 81.396790][ T4996] iput+0x1bc/0x77c [ 81.397413][ T4996] dentry_unlink_inode+0x360/0x438 [ 81.398221][ T4996] __dentry_kill+0x320/0x598 [ 81.398906][ T4996] shrink_dentry_list+0x410/0x7c8 [ 81.399599][ T4996] shrink_dcache_parent+0xb0/0x354 [ 81.400386][ T4996] do_one_tree+0x2c/0xf0 [ 81.401136][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 81.402013][ T4996] generic_shutdown_super+0x68/0x2f0 [ 81.402903][ T4996] kill_block_super+0x70/0xdc [ 81.403750][ T4996] deactivate_locked_super+0xb8/0x13c [ 81.404689][ T4996] deactivate_super+0xf8/0x118 [ 81.405538][ T4996] cleanup_mnt+0x3a4/0x458 [ 81.406235][ T4996] __cleanup_mnt+0x20/0x30 [ 81.406963][ T4996] task_work_run+0x12c/0x1e0 [ 81.407691][ T4996] do_notify_resume+0x24b4/0x3128 [ 81.408430][ T4996] el0_svc+0xf0/0x1e0 [ 81.409013][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 81.409767][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 81.410468][ T4996] irq event stamp: 199242 [ 81.411150][ T4996] hardirqs last enabled at (199241): [] __up_console_sem+0xb4/0x100 [ 81.412640][ T4996] hardirqs last disabled at (199242): [] el1_dbg+0x24/0x80 [ 81.414042][ T4996] softirqs last enabled at (198696): [] local_bh_enable+0x10/0x34 [ 81.415488][ T4996] softirqs last disabled at (198694): [] local_bh_disable+0x10/0x34 [ 81.416883][ T4996] ---[ end trace 339f327291b9ab9a ]--- [ 81.485172][ T5236] loop0: detected capacity change from 0 to 1024 [ 81.497420][ T9] bond0 (unregistering): Released all slaves [ 81.556131][ T5236] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 81.564358][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 81.566277][ T4996] ------------[ cut here ]------------ [ 81.567101][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 81.568709][ T4996] Modules linked in: [ 81.569327][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.570661][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.572226][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.573490][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.574388][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.575271][ T4996] sp : ffff80001f886f80 [ 81.575901][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000cddf4020 [ 81.577102][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e278dc58 [ 81.578428][ T4996] x23: ffff0000e278dc80 x22: ffff0000cddf4020 x21: 00000000bd8f6515 [ 81.579693][ T4996] x20: ffff0000ec5c0068 x19: ffff0000ec5c0000 x18: 0000000000000001 [ 81.581015][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 81.582336][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.583613][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 81.584969][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.586379][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 81.587737][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.589124][ T4996] Call trace: [ 81.589667][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 81.590578][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 81.591437][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 81.592360][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 81.593222][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 81.594050][ T4996] ext4_dirty_inode+0xd0/0x100 [ 81.594743][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 81.595471][ T4996] iput+0x1bc/0x77c [ 81.596020][ T4996] dentry_unlink_inode+0x360/0x438 [ 81.596774][ T4996] __dentry_kill+0x320/0x598 [ 81.597493][ T4996] shrink_dentry_list+0x410/0x7c8 [ 81.598331][ T4996] shrink_dcache_parent+0xb0/0x354 [ 81.599144][ T4996] do_one_tree+0x2c/0xf0 [ 81.599807][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 81.600748][ T4996] generic_shutdown_super+0x68/0x2f0 [ 81.601593][ T4996] kill_block_super+0x70/0xdc [ 81.602310][ T4996] deactivate_locked_super+0xb8/0x13c [ 81.603137][ T4996] deactivate_super+0xf8/0x118 [ 81.603884][ T4996] cleanup_mnt+0x3a4/0x458 [ 81.604579][ T4996] __cleanup_mnt+0x20/0x30 [ 81.605318][ T4996] task_work_run+0x12c/0x1e0 [ 81.606078][ T4996] do_notify_resume+0x24b4/0x3128 [ 81.606902][ T4996] el0_svc+0xf0/0x1e0 [ 81.607536][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 81.608371][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 81.609084][ T4996] irq event stamp: 203234 [ 81.609709][ T4996] hardirqs last enabled at (203233): [] __up_console_sem+0xb4/0x100 [ 81.611118][ T4996] hardirqs last disabled at (203234): [] el1_dbg+0x24/0x80 [ 81.612519][ T4996] softirqs last enabled at (203032): [] local_bh_enable+0x10/0x34 [ 81.613978][ T4996] softirqs last disabled at (203030): [] local_bh_disable+0x10/0x34 [ 81.615409][ T4996] ---[ end trace 339f327291b9ab9b ]--- [ 81.657842][ T5240] loop0: detected capacity change from 0 to 1024 [ 81.670437][ T5240] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 81.678034][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 81.679727][ T4996] ------------[ cut here ]------------ [ 81.680447][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 81.681759][ T4996] Modules linked in: [ 81.682294][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.683634][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.685211][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.686492][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.687394][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.688325][ T4996] sp : ffff80001f886f80 [ 81.688982][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d9ccd820 [ 81.690261][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26a0c98 [ 81.691448][ T4996] x23: ffff0000e26a0cc0 x22: ffff0000d9ccd820 x21: 00000000bd8f6515 [ 81.692819][ T4996] x20: ffff0000d6f5c068 x19: ffff0000d6f5c000 x18: 0000000000000001 [ 81.694094][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 81.695362][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.696528][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 81.697691][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.698909][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff800008504710 [ 81.700102][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.701271][ T4996] Call trace: [ 81.701782][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 81.702616][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 81.703382][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 81.704330][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 81.705129][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 81.705992][ T4996] ext4_dirty_inode+0xd0/0x100 [ 81.706766][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 81.707508][ T4996] iput+0x1bc/0x77c [ 81.708019][ T4996] dentry_unlink_inode+0x360/0x438 [ 81.708803][ T4996] __dentry_kill+0x320/0x598 [ 81.709526][ T4996] shrink_dentry_list+0x410/0x7c8 [ 81.710352][ T4996] shrink_dcache_parent+0xb0/0x354 [ 81.711047][ T4996] do_one_tree+0x2c/0xf0 [ 81.711695][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 81.712568][ T4996] generic_shutdown_super+0x68/0x2f0 [ 81.713455][ T4996] kill_block_super+0x70/0xdc [ 81.714189][ T4996] deactivate_locked_super+0xb8/0x13c [ 81.715052][ T4996] deactivate_super+0xf8/0x118 [ 81.715793][ T4996] cleanup_mnt+0x3a4/0x458 [ 81.716525][ T4996] __cleanup_mnt+0x20/0x30 [ 81.717217][ T4996] task_work_run+0x12c/0x1e0 [ 81.717997][ T4996] do_notify_resume+0x24b4/0x3128 [ 81.718803][ T4996] el0_svc+0xf0/0x1e0 [ 81.719473][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 81.720218][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 81.720925][ T4996] irq event stamp: 207916 [ 81.721604][ T4996] hardirqs last enabled at (207915): [] __up_console_sem+0xb4/0x100 [ 81.723156][ T4996] hardirqs last disabled at (207916): [] el1_dbg+0x24/0x80 [ 81.724471][ T4996] softirqs last enabled at (207764): [] local_bh_enable+0x10/0x34 [ 81.725832][ T4996] softirqs last disabled at (207762): [] local_bh_disable+0x10/0x34 [ 81.727202][ T4996] ---[ end trace 339f327291b9ab9c ]--- [ 81.766108][ T5244] loop0: detected capacity change from 0 to 1024 [ 81.775440][ T5244] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 81.788841][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 81.790595][ T4996] ------------[ cut here ]------------ [ 81.791319][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 81.792812][ T4996] Modules linked in: [ 81.793397][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.794848][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.796299][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.797385][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.798179][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.798987][ T4996] sp : ffff80001f886f80 [ 81.799560][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d5adb020 [ 81.800755][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2779690 [ 81.802092][ T4996] x23: ffff0000e27796b8 x22: ffff0000d5adb020 x21: 00000000bd8f6515 [ 81.803436][ T4996] x20: ffff0000d929e068 x19: ffff0000d929e000 x18: 0000000000000001 [ 81.804827][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 81.806210][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.807586][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 81.808839][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.810030][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 81.811227][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.812481][ T4996] Call trace: [ 81.812960][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 81.813838][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 81.814600][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 81.815464][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 81.816396][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 81.817231][ T4996] ext4_dirty_inode+0xd0/0x100 [ 81.818053][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 81.818844][ T4996] iput+0x1bc/0x77c [ 81.819435][ T4996] dentry_unlink_inode+0x360/0x438 [ 81.820221][ T4996] __dentry_kill+0x320/0x598 [ 81.820979][ T4996] shrink_dentry_list+0x410/0x7c8 [ 81.821811][ T4996] shrink_dcache_parent+0xb0/0x354 [ 81.822633][ T4996] do_one_tree+0x2c/0xf0 [ 81.823273][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 81.824169][ T4996] generic_shutdown_super+0x68/0x2f0 [ 81.825025][ T4996] kill_block_super+0x70/0xdc [ 81.825768][ T4996] deactivate_locked_super+0xb8/0x13c [ 81.826704][ T4996] deactivate_super+0xf8/0x118 [ 81.827489][ T4996] cleanup_mnt+0x3a4/0x458 [ 81.828188][ T4996] __cleanup_mnt+0x20/0x30 [ 81.828817][ T4996] task_work_run+0x12c/0x1e0 [ 81.829577][ T4996] do_notify_resume+0x24b4/0x3128 [ 81.830342][ T4996] el0_svc+0xf0/0x1e0 [ 81.830918][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 81.831648][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 81.832304][ T4996] irq event stamp: 212044 [ 81.832933][ T4996] hardirqs last enabled at (212043): [] __up_console_sem+0xb4/0x100 [ 81.834452][ T4996] hardirqs last disabled at (212044): [] el1_dbg+0x24/0x80 [ 81.835955][ T4996] softirqs last enabled at (211892): [] local_bh_enable+0x10/0x34 [ 81.837456][ T4996] softirqs last disabled at (211890): [] local_bh_disable+0x10/0x34 [ 81.838967][ T4996] ---[ end trace 339f327291b9ab9d ]--- [ 81.887373][ T5248] loop0: detected capacity change from 0 to 1024 [ 81.945343][ T5248] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 81.953014][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 81.956245][ T4996] ------------[ cut here ]------------ [ 81.957151][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 81.958682][ T4996] Modules linked in: [ 81.959316][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.960817][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.962361][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.963546][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.964390][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 81.965278][ T4996] sp : ffff80001f886f80 [ 81.965854][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ca1ae820 [ 81.967195][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e277aa80 [ 81.968502][ T4996] x23: ffff0000e277aaa8 x22: ffff0000ca1ae820 x21: 00000000bd8f6515 [ 81.969884][ T4996] x20: ffff0000ecf64068 x19: ffff0000ecf64000 x18: 0000000000000002 [ 81.971147][ T4996] x17: 0000000040000000 x16: ffff8000111c81d4 x15: 0000000000000002 [ 81.972399][ T4996] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 81.973640][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 81.974901][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 81.976224][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 81.977490][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 81.978771][ T4996] Call trace: [ 81.979278][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 81.980150][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 81.980962][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 81.981819][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 81.982628][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 81.983515][ T4996] ext4_dirty_inode+0xd0/0x100 [ 81.984293][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 81.985026][ T4996] iput+0x1bc/0x77c [ 81.985621][ T4996] dentry_unlink_inode+0x360/0x438 [ 81.986411][ T4996] __dentry_kill+0x320/0x598 [ 81.987141][ T4996] shrink_dentry_list+0x410/0x7c8 [ 81.987966][ T4996] shrink_dcache_parent+0xb0/0x354 [ 81.988779][ T4996] do_one_tree+0x2c/0xf0 [ 81.989443][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 81.990248][ T4996] generic_shutdown_super+0x68/0x2f0 [ 81.991143][ T4996] kill_block_super+0x70/0xdc [ 81.991953][ T4996] deactivate_locked_super+0xb8/0x13c [ 81.992835][ T4996] deactivate_super+0xf8/0x118 [ 81.993568][ T4996] cleanup_mnt+0x3a4/0x458 [ 81.994278][ T4996] __cleanup_mnt+0x20/0x30 [ 81.994932][ T4996] task_work_run+0x12c/0x1e0 [ 81.995676][ T4996] do_notify_resume+0x24b4/0x3128 [ 81.996473][ T4996] el0_svc+0xf0/0x1e0 [ 81.997074][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 81.997815][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 81.998503][ T4996] irq event stamp: 216068 [ 81.999127][ T4996] hardirqs last enabled at (216067): [] finish_lock_switch+0xb0/0x1c4 [ 82.000501][ T4996] hardirqs last disabled at (216068): [] el1_dbg+0x24/0x80 [ 82.001879][ T4996] softirqs last enabled at (216062): [] handle_softirqs+0xa4c/0xbf0 [ 82.003341][ T4996] softirqs last disabled at (216043): [] __irq_exit_rcu+0x240/0x440 [ 82.004713][ T4996] ---[ end trace 339f327291b9ab9e ]--- [ 82.033939][ T4163] Bluetooth: hci0: command 0x041b tx timeout [ 82.065270][ T5252] loop0: detected capacity change from 0 to 1024 [ 82.116450][ T5252] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 82.127844][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 82.129578][ T4996] ------------[ cut here ]------------ [ 82.130401][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 82.131844][ T4996] Modules linked in: [ 82.132445][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.133775][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.135372][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.136676][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.137556][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.138434][ T4996] sp : ffff80001f886f80 [ 82.139073][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ca1ab020 [ 82.140346][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26a4868 [ 82.141655][ T4996] x23: ffff0000e26a4890 x22: ffff0000ca1ab020 x21: 00000000bd8f6515 [ 82.142952][ T4996] x20: ffff0000d8c9c068 x19: ffff0000d8c9c000 x18: 0000000000000001 [ 82.144205][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 82.145524][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.146851][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 82.148160][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.149461][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 82.150733][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.152039][ T4996] Call trace: [ 82.152570][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 82.153432][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 82.154310][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 82.155300][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 82.156257][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 82.157135][ T4996] ext4_dirty_inode+0xd0/0x100 [ 82.157865][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 82.158650][ T4996] iput+0x1bc/0x77c [ 82.159217][ T4996] dentry_unlink_inode+0x360/0x438 [ 82.160111][ T4996] __dentry_kill+0x320/0x598 [ 82.160851][ T4996] shrink_dentry_list+0x410/0x7c8 [ 82.161650][ T4996] shrink_dcache_parent+0xb0/0x354 [ 82.162458][ T4996] do_one_tree+0x2c/0xf0 [ 82.163154][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 82.164019][ T4996] generic_shutdown_super+0x68/0x2f0 [ 82.164895][ T4996] kill_block_super+0x70/0xdc [ 82.165611][ T4996] deactivate_locked_super+0xb8/0x13c [ 82.166433][ T4996] deactivate_super+0xf8/0x118 [ 82.167158][ T4996] cleanup_mnt+0x3a4/0x458 [ 82.167842][ T4996] __cleanup_mnt+0x20/0x30 [ 82.168492][ T4996] task_work_run+0x12c/0x1e0 [ 82.169145][ T4996] do_notify_resume+0x24b4/0x3128 [ 82.169844][ T4996] el0_svc+0xf0/0x1e0 [ 82.170595][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 82.171415][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 82.172108][ T4996] irq event stamp: 219836 [ 82.172757][ T4996] hardirqs last enabled at (219835): [] __up_console_sem+0xb4/0x100 [ 82.174341][ T4996] hardirqs last disabled at (219836): [] el1_dbg+0x24/0x80 [ 82.175884][ T4996] softirqs last enabled at (219632): [] local_bh_enable+0x10/0x34 [ 82.177489][ T4996] softirqs last disabled at (219630): [] local_bh_disable+0x10/0x34 [ 82.179120][ T4996] ---[ end trace 339f327291b9ab9f ]--- [ 82.238202][ T5256] loop0: detected capacity change from 0 to 1024 [ 82.306632][ T5256] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 82.314051][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 82.316136][ T4996] ------------[ cut here ]------------ [ 82.316932][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 82.318244][ T4996] Modules linked in: [ 82.318775][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.319989][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.321288][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.322315][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.323108][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.323879][ T4996] sp : ffff80001f886f80 [ 82.324449][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000dc08a020 [ 82.325637][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e277f048 [ 82.326845][ T4996] x23: ffff0000e277f070 x22: ffff0000dc08a020 x21: 00000000bd8f6515 [ 82.327981][ T4996] x20: ffff0000da4cc068 x19: ffff0000da4cc000 x18: 1fffe00034216796 [ 82.329102][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 82.330234][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 82.331382][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 82.332564][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.333735][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 82.334911][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.336086][ T4996] Call trace: [ 82.336569][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 82.337392][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 82.338225][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 82.339146][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 82.340057][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 82.340963][ T4996] ext4_dirty_inode+0xd0/0x100 [ 82.341788][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 82.342560][ T4996] iput+0x1bc/0x77c [ 82.343157][ T4996] dentry_unlink_inode+0x360/0x438 [ 82.344020][ T4996] __dentry_kill+0x320/0x598 [ 82.344771][ T4996] shrink_dentry_list+0x410/0x7c8 [ 82.345607][ T4996] shrink_dcache_parent+0xb0/0x354 [ 82.346401][ T4996] do_one_tree+0x2c/0xf0 [ 82.347124][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 82.347916][ T4996] generic_shutdown_super+0x68/0x2f0 [ 82.348725][ T4996] kill_block_super+0x70/0xdc [ 82.349446][ T4996] deactivate_locked_super+0xb8/0x13c [ 82.350177][ T4996] deactivate_super+0xf8/0x118 [ 82.350863][ T4996] cleanup_mnt+0x3a4/0x458 [ 82.351485][ T4996] __cleanup_mnt+0x20/0x30 [ 82.352143][ T4996] task_work_run+0x12c/0x1e0 [ 82.352887][ T4996] do_notify_resume+0x24b4/0x3128 [ 82.353626][ T4996] el0_svc+0xf0/0x1e0 [ 82.354311][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 82.355083][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 82.355803][ T4996] irq event stamp: 224882 [ 82.356478][ T4996] hardirqs last enabled at (224881): [] finish_lock_switch+0xb0/0x1c4 [ 82.358027][ T4996] hardirqs last disabled at (224882): [] el1_dbg+0x24/0x80 [ 82.359439][ T4996] softirqs last enabled at (224842): [] handle_softirqs+0xa4c/0xbf0 [ 82.360934][ T4996] softirqs last disabled at (224817): [] __irq_exit_rcu+0x240/0x440 [ 82.362296][ T4996] ---[ end trace 339f327291b9aba0 ]--- [ 82.385210][ T5260] loop0: detected capacity change from 0 to 1024 [ 82.456248][ T5260] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 82.464850][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 82.466606][ T4996] ------------[ cut here ]------------ [ 82.467390][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 82.468777][ T4996] Modules linked in: [ 82.469332][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.470749][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.472209][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.473320][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.474170][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.475116][ T4996] sp : ffff80001f886f80 [ 82.475787][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d6f2c020 [ 82.477053][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e27902a0 [ 82.478311][ T4996] x23: ffff0000e27902c8 x22: ffff0000d6f2c020 x21: 00000000bd8f6515 [ 82.479618][ T4996] x20: ffff0000eabac068 x19: ffff0000eabac000 x18: 0000000000000001 [ 82.480943][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 82.482230][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.483506][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 82.484739][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.485919][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 82.487224][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.488485][ T4996] Call trace: [ 82.489021][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 82.489897][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 82.490740][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 82.491746][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 82.492735][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 82.493627][ T4996] ext4_dirty_inode+0xd0/0x100 [ 82.494380][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 82.495196][ T4996] iput+0x1bc/0x77c [ 82.495828][ T4996] dentry_unlink_inode+0x360/0x438 [ 82.496658][ T4996] __dentry_kill+0x320/0x598 [ 82.497410][ T4996] shrink_dentry_list+0x410/0x7c8 [ 82.498172][ T4996] shrink_dcache_parent+0xb0/0x354 [ 82.498951][ T4996] do_one_tree+0x2c/0xf0 [ 82.499590][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 82.500468][ T4996] generic_shutdown_super+0x68/0x2f0 [ 82.501356][ T4996] kill_block_super+0x70/0xdc [ 82.502057][ T4996] deactivate_locked_super+0xb8/0x13c [ 82.502834][ T4996] deactivate_super+0xf8/0x118 [ 82.503565][ T4996] cleanup_mnt+0x3a4/0x458 [ 82.504205][ T4996] __cleanup_mnt+0x20/0x30 [ 82.504863][ T4996] task_work_run+0x12c/0x1e0 [ 82.505586][ T4996] do_notify_resume+0x24b4/0x3128 [ 82.506294][ T4996] el0_svc+0xf0/0x1e0 [ 82.506861][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 82.507614][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 82.508298][ T4996] irq event stamp: 228526 [ 82.508944][ T4996] hardirqs last enabled at (228525): [] __up_console_sem+0xb4/0x100 [ 82.510304][ T4996] hardirqs last disabled at (228526): [] el1_dbg+0x24/0x80 [ 82.511545][ T4996] softirqs last enabled at (228378): [] local_bh_enable+0x10/0x34 [ 82.513023][ T4996] softirqs last disabled at (228376): [] local_bh_disable+0x10/0x34 [ 82.514555][ T4996] ---[ end trace 339f327291b9aba1 ]--- [ 82.579771][ T5264] loop0: detected capacity change from 0 to 1024 [ 82.586334][ T5264] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 82.593412][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 82.595491][ T4996] ------------[ cut here ]------------ [ 82.596309][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 82.597817][ T4996] Modules linked in: [ 82.598432][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.599789][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.601348][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.602585][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.603475][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.604407][ T4996] sp : ffff80001f886f80 [ 82.605086][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d8018020 [ 82.606395][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2709690 [ 82.607603][ T4996] x23: ffff0000e27096b8 x22: ffff0000d8018020 x21: 00000000bd8f6515 [ 82.608919][ T4996] x20: ffff0000c8008068 x19: ffff0000c8008000 x18: 1fffe00034216796 [ 82.610201][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 82.611512][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 82.612757][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 82.613948][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.615117][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 82.616372][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.617551][ T4996] Call trace: [ 82.618023][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 82.618872][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 82.619684][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 82.620519][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 82.621347][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 82.622198][ T4996] ext4_dirty_inode+0xd0/0x100 [ 82.623047][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 82.623821][ T4996] iput+0x1bc/0x77c [ 82.624419][ T4996] dentry_unlink_inode+0x360/0x438 [ 82.625288][ T4996] __dentry_kill+0x320/0x598 [ 82.626024][ T4996] shrink_dentry_list+0x410/0x7c8 [ 82.626864][ T4996] shrink_dcache_parent+0xb0/0x354 [ 82.627753][ T4996] do_one_tree+0x2c/0xf0 [ 82.628481][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 82.629409][ T4996] generic_shutdown_super+0x68/0x2f0 [ 82.630330][ T4996] kill_block_super+0x70/0xdc [ 82.631081][ T4996] deactivate_locked_super+0xb8/0x13c [ 82.632052][ T4996] deactivate_super+0xf8/0x118 [ 82.632842][ T4996] cleanup_mnt+0x3a4/0x458 [ 82.633563][ T4996] __cleanup_mnt+0x20/0x30 [ 82.634278][ T4996] task_work_run+0x12c/0x1e0 [ 82.635062][ T4996] do_notify_resume+0x24b4/0x3128 [ 82.635877][ T4996] el0_svc+0xf0/0x1e0 [ 82.636527][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 82.637322][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 82.638046][ T4996] irq event stamp: 232310 [ 82.638642][ T4996] hardirqs last enabled at (232309): [] finish_lock_switch+0xb0/0x1c4 [ 82.640187][ T4996] hardirqs last disabled at (232310): [] el1_dbg+0x24/0x80 [ 82.641482][ T4996] softirqs last enabled at (232304): [] handle_softirqs+0xa4c/0xbf0 [ 82.642937][ T4996] softirqs last disabled at (232275): [] __irq_exit_rcu+0x240/0x440 [ 82.644366][ T4996] ---[ end trace 339f327291b9aba2 ]--- [ 82.695423][ T5268] loop0: detected capacity change from 0 to 1024 [ 82.785356][ T5268] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 82.793088][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 82.795231][ T4996] ------------[ cut here ]------------ [ 82.795979][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 82.797376][ T4996] Modules linked in: [ 82.797924][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.799228][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.800692][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.801819][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.802654][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.803406][ T4996] sp : ffff80001f886f80 [ 82.804048][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d4e51020 [ 82.805338][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2794868 [ 82.806521][ T4996] x23: ffff0000e2794890 x22: ffff0000d4e51020 x21: 00000000bd8f6515 [ 82.807638][ T4996] x20: ffff0000c10ba068 x19: ffff0000c10ba000 x18: 0000000000000002 [ 82.808740][ T4996] x17: 0000000040000000 x16: ffff8000111c81d4 x15: 0000000000000002 [ 82.809853][ T4996] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 82.811133][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 82.812240][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.813503][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 82.814708][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.815951][ T4996] Call trace: [ 82.816454][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 82.817217][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 82.818016][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 82.818905][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 82.819689][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 82.820483][ T4996] ext4_dirty_inode+0xd0/0x100 [ 82.821254][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 82.822119][ T4996] iput+0x1bc/0x77c [ 82.822717][ T4996] dentry_unlink_inode+0x360/0x438 [ 82.823520][ T4996] __dentry_kill+0x320/0x598 [ 82.824250][ T4996] shrink_dentry_list+0x410/0x7c8 [ 82.825053][ T4996] shrink_dcache_parent+0xb0/0x354 [ 82.825861][ T4996] do_one_tree+0x2c/0xf0 [ 82.826453][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 82.827219][ T4996] generic_shutdown_super+0x68/0x2f0 [ 82.828037][ T4996] kill_block_super+0x70/0xdc [ 82.828730][ T4996] deactivate_locked_super+0xb8/0x13c [ 82.829491][ T4996] deactivate_super+0xf8/0x118 [ 82.830184][ T4996] cleanup_mnt+0x3a4/0x458 [ 82.830855][ T4996] __cleanup_mnt+0x20/0x30 [ 82.831455][ T4996] task_work_run+0x12c/0x1e0 [ 82.832149][ T4996] do_notify_resume+0x24b4/0x3128 [ 82.832959][ T4996] el0_svc+0xf0/0x1e0 [ 82.833529][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 82.834274][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 82.834954][ T4996] irq event stamp: 236190 [ 82.835616][ T4996] hardirqs last enabled at (236189): [] finish_lock_switch+0xb0/0x1c4 [ 82.837038][ T4996] hardirqs last disabled at (236190): [] el1_dbg+0x24/0x80 [ 82.838317][ T4996] softirqs last enabled at (236184): [] handle_softirqs+0xa4c/0xbf0 [ 82.839680][ T4996] softirqs last disabled at (236149): [] __irq_exit_rcu+0x240/0x440 [ 82.841098][ T4996] ---[ end trace 339f327291b9aba3 ]--- [ 82.895299][ T5272] loop0: detected capacity change from 0 to 1024 [ 82.950529][ T5272] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 82.958511][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 82.960407][ T4996] ------------[ cut here ]------------ [ 82.961255][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 82.962787][ T4996] Modules linked in: [ 82.963455][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.964972][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.966642][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.967905][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.968802][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 82.969720][ T4996] sp : ffff80001f886f80 [ 82.970359][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000db430020 [ 82.971550][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e270be70 [ 82.972781][ T4996] x23: ffff0000e270be98 x22: ffff0000db430020 x21: 00000000bd8f6515 [ 82.974061][ T4996] x20: ffff0000ce3d2068 x19: ffff0000ce3d2000 x18: 1fffe00034216796 [ 82.975381][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 82.976779][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 82.978140][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 82.979463][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 82.980745][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008504710 [ 82.981988][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 82.983254][ T4996] Call trace: [ 82.983780][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 82.984683][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 82.985488][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 82.986395][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 82.987275][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 82.988161][ T4996] ext4_dirty_inode+0xd0/0x100 [ 82.988919][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 82.989730][ T4996] iput+0x1bc/0x77c [ 82.990330][ T4996] dentry_unlink_inode+0x360/0x438 [ 82.991140][ T4996] __dentry_kill+0x320/0x598 [ 82.991892][ T4996] shrink_dentry_list+0x410/0x7c8 [ 82.992701][ T4996] shrink_dcache_parent+0xb0/0x354 [ 82.993512][ T4996] do_one_tree+0x2c/0xf0 [ 82.994203][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 82.995061][ T4996] generic_shutdown_super+0x68/0x2f0 [ 82.995838][ T4996] kill_block_super+0x70/0xdc [ 82.996549][ T4996] deactivate_locked_super+0xb8/0x13c [ 82.997305][ T4996] deactivate_super+0xf8/0x118 [ 82.998094][ T4996] cleanup_mnt+0x3a4/0x458 [ 82.998789][ T4996] __cleanup_mnt+0x20/0x30 [ 82.999493][ T4996] task_work_run+0x12c/0x1e0 [ 83.000228][ T4996] do_notify_resume+0x24b4/0x3128 [ 83.001045][ T4996] el0_svc+0xf0/0x1e0 [ 83.001682][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 83.002507][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 83.003224][ T4996] irq event stamp: 240116 [ 83.003879][ T4996] hardirqs last enabled at (240115): [] finish_lock_switch+0xb0/0x1c4 [ 83.005332][ T4996] hardirqs last disabled at (240116): [] el1_dbg+0x24/0x80 [ 83.006638][ T4996] softirqs last enabled at (239946): [] local_bh_enable+0x10/0x34 [ 83.008032][ T4996] softirqs last disabled at (239944): [] local_bh_disable+0x10/0x34 [ 83.009592][ T4996] ---[ end trace 339f327291b9aba4 ]--- 1970/01/01 00:01:22 executed programs: 28 [ 83.048291][ T5276] loop0: detected capacity change from 0 to 1024 [ 83.142506][ T5276] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 83.150493][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 83.152434][ T4996] ------------[ cut here ]------------ [ 83.153289][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 83.154748][ T4996] Modules linked in: [ 83.155307][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.156595][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.157961][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.159045][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.159865][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.160775][ T4996] sp : ffff80001f886f80 [ 83.161376][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000dc72d020 [ 83.162688][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2798c98 [ 83.164047][ T4996] x23: ffff0000e2798cc0 x22: ffff0000dc72d020 x21: 00000000bd8f6515 [ 83.165363][ T4996] x20: ffff0000c91ea068 x19: ffff0000c91ea000 x18: 0000000000000001 [ 83.166681][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 83.168015][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.169324][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 83.170584][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.171893][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 83.173228][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.174673][ T4996] Call trace: [ 83.175229][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 83.176113][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 83.177000][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 83.177901][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 83.178827][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 83.179712][ T4996] ext4_dirty_inode+0xd0/0x100 [ 83.180487][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 83.181329][ T4996] iput+0x1bc/0x77c [ 83.181968][ T4996] dentry_unlink_inode+0x360/0x438 [ 83.182845][ T4996] __dentry_kill+0x320/0x598 [ 83.183615][ T4996] shrink_dentry_list+0x410/0x7c8 [ 83.184418][ T4996] shrink_dcache_parent+0xb0/0x354 [ 83.185248][ T4996] do_one_tree+0x2c/0xf0 [ 83.185959][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 83.186859][ T4996] generic_shutdown_super+0x68/0x2f0 [ 83.187707][ T4996] kill_block_super+0x70/0xdc [ 83.188490][ T4996] deactivate_locked_super+0xb8/0x13c [ 83.189407][ T4996] deactivate_super+0xf8/0x118 [ 83.190178][ T4996] cleanup_mnt+0x3a4/0x458 [ 83.190879][ T4996] __cleanup_mnt+0x20/0x30 [ 83.191621][ T4996] task_work_run+0x12c/0x1e0 [ 83.192378][ T4996] do_notify_resume+0x24b4/0x3128 [ 83.193167][ T4996] el0_svc+0xf0/0x1e0 [ 83.193767][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 83.194497][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 83.195152][ T4996] irq event stamp: 245000 [ 83.195752][ T4996] hardirqs last enabled at (244999): [] __up_console_sem+0xb4/0x100 [ 83.197049][ T4996] hardirqs last disabled at (245000): [] el1_dbg+0x24/0x80 [ 83.198373][ T4996] softirqs last enabled at (244834): [] local_bh_enable+0x10/0x34 [ 83.199971][ T4996] softirqs last disabled at (244832): [] local_bh_disable+0x10/0x34 [ 83.201446][ T4996] ---[ end trace 339f327291b9aba5 ]--- [ 83.286572][ T5280] loop0: detected capacity change from 0 to 1024 [ 83.300139][ T5280] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 83.309134][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 83.314857][ T4996] ------------[ cut here ]------------ [ 83.315675][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 83.317096][ T4996] Modules linked in: [ 83.317652][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.318966][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.320388][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.321473][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.322270][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.323008][ T4996] sp : ffff80001f886f80 [ 83.323592][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ecef1820 [ 83.324696][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000dfb682a0 [ 83.325999][ T4996] x23: ffff0000dfb682c8 x22: ffff0000ecef1820 x21: 00000000bd8f6515 [ 83.327275][ T4996] x20: ffff0000dc43e068 x19: ffff0000dc43e000 x18: 1fffe00034216796 [ 83.328573][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 83.329767][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 83.330990][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 83.332190][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 83.333486][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 83.334815][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.336113][ T4996] Call trace: [ 83.336649][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 83.337530][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 83.338349][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 83.339332][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 83.340323][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 83.341245][ T4996] ext4_dirty_inode+0xd0/0x100 [ 83.341995][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 83.342806][ T4996] iput+0x1bc/0x77c [ 83.343375][ T4996] dentry_unlink_inode+0x360/0x438 [ 83.344176][ T4996] __dentry_kill+0x320/0x598 [ 83.344883][ T4996] shrink_dentry_list+0x410/0x7c8 [ 83.345627][ T4996] shrink_dcache_parent+0xb0/0x354 [ 83.346413][ T4996] do_one_tree+0x2c/0xf0 [ 83.347113][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 83.348025][ T4996] generic_shutdown_super+0x68/0x2f0 [ 83.348878][ T4996] kill_block_super+0x70/0xdc [ 83.349609][ T4996] deactivate_locked_super+0xb8/0x13c [ 83.350395][ T4996] deactivate_super+0xf8/0x118 [ 83.351122][ T4996] cleanup_mnt+0x3a4/0x458 [ 83.351792][ T4996] __cleanup_mnt+0x20/0x30 [ 83.352500][ T4996] task_work_run+0x12c/0x1e0 [ 83.353238][ T4996] do_notify_resume+0x24b4/0x3128 [ 83.354021][ T4996] el0_svc+0xf0/0x1e0 [ 83.354615][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 83.355434][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 83.356179][ T4996] irq event stamp: 248906 [ 83.356867][ T4996] hardirqs last enabled at (248905): [] finish_lock_switch+0xb0/0x1c4 [ 83.358418][ T4996] hardirqs last disabled at (248906): [] el1_dbg+0x24/0x80 [ 83.359821][ T4996] softirqs last enabled at (248756): [] local_bh_enable+0x10/0x34 [ 83.361259][ T4996] softirqs last disabled at (248754): [] local_bh_disable+0x10/0x34 [ 83.362801][ T4996] ---[ end trace 339f327291b9aba6 ]--- [ 83.426108][ T5284] loop0: detected capacity change from 0 to 1024 [ 83.487681][ T5284] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 83.495892][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 83.497653][ T4996] ------------[ cut here ]------------ [ 83.498421][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 83.499988][ T4996] Modules linked in: [ 83.500601][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.501859][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.503201][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.504497][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.505421][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.506353][ T4996] sp : ffff80001f886f80 [ 83.506931][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d0079020 [ 83.508147][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e279b478 [ 83.509359][ T4996] x23: ffff0000e279b4a0 x22: ffff0000d0079020 x21: 00000000bd8f6515 [ 83.510517][ T4996] x20: ffff0000c117a068 x19: ffff0000c117a000 x18: 0000000000000001 [ 83.511676][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 83.513085][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.514400][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 83.515610][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.516815][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 83.517977][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.519168][ T4996] Call trace: [ 83.519702][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 83.520592][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 83.521382][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 83.522283][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 83.523181][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 83.523977][ T4996] ext4_dirty_inode+0xd0/0x100 [ 83.524672][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 83.525486][ T4996] iput+0x1bc/0x77c [ 83.526063][ T4996] dentry_unlink_inode+0x360/0x438 [ 83.526926][ T4996] __dentry_kill+0x320/0x598 [ 83.527674][ T4996] shrink_dentry_list+0x410/0x7c8 [ 83.528471][ T4996] shrink_dcache_parent+0xb0/0x354 [ 83.529266][ T4996] do_one_tree+0x2c/0xf0 [ 83.529897][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 83.530730][ T4996] generic_shutdown_super+0x68/0x2f0 [ 83.531499][ T4996] kill_block_super+0x70/0xdc [ 83.532231][ T4996] deactivate_locked_super+0xb8/0x13c [ 83.533062][ T4996] deactivate_super+0xf8/0x118 [ 83.533831][ T4996] cleanup_mnt+0x3a4/0x458 [ 83.534526][ T4996] __cleanup_mnt+0x20/0x30 [ 83.535225][ T4996] task_work_run+0x12c/0x1e0 [ 83.535961][ T4996] do_notify_resume+0x24b4/0x3128 [ 83.536746][ T4996] el0_svc+0xf0/0x1e0 [ 83.537396][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 83.538129][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 83.538825][ T4996] irq event stamp: 252912 [ 83.539492][ T4996] hardirqs last enabled at (252911): [] __up_console_sem+0xb4/0x100 [ 83.541000][ T4996] hardirqs last disabled at (252912): [] el1_dbg+0x24/0x80 [ 83.542377][ T4996] softirqs last enabled at (252718): [] local_bh_enable+0x10/0x34 [ 83.543939][ T4996] softirqs last disabled at (252716): [] local_bh_disable+0x10/0x34 [ 83.545499][ T4996] ---[ end trace 339f327291b9aba7 ]--- [ 83.595538][ T5288] loop0: detected capacity change from 0 to 1024 [ 83.614990][ T5288] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 83.624555][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 83.626335][ T4996] ------------[ cut here ]------------ [ 83.627082][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 83.628420][ T4996] Modules linked in: [ 83.628967][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.630194][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.631569][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.632609][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.633410][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.634230][ T4996] sp : ffff80001f886f80 [ 83.634829][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d35f0820 [ 83.636054][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000dfb6b478 [ 83.637291][ T4996] x23: ffff0000dfb6b4a0 x22: ffff0000d35f0820 x21: 00000000bd8f6515 [ 83.638511][ T4996] x20: ffff0000db4c8068 x19: ffff0000db4c8000 x18: 0000000000000001 [ 83.639749][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 83.640968][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.642169][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 83.643441][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.644704][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 83.645974][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.647240][ T4996] Call trace: [ 83.647788][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 83.648669][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 83.649537][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 83.650495][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 83.651418][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 83.652264][ T4996] ext4_dirty_inode+0xd0/0x100 [ 83.653093][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 83.653867][ T4996] iput+0x1bc/0x77c [ 83.654487][ T4996] dentry_unlink_inode+0x360/0x438 [ 83.655237][ T4996] __dentry_kill+0x320/0x598 [ 83.655996][ T4996] shrink_dentry_list+0x410/0x7c8 [ 83.656734][ T4996] shrink_dcache_parent+0xb0/0x354 [ 83.657521][ T4996] do_one_tree+0x2c/0xf0 [ 83.658123][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 83.658864][ T4996] generic_shutdown_super+0x68/0x2f0 [ 83.659648][ T4996] kill_block_super+0x70/0xdc [ 83.660421][ T4996] deactivate_locked_super+0xb8/0x13c [ 83.661303][ T4996] deactivate_super+0xf8/0x118 [ 83.662110][ T4996] cleanup_mnt+0x3a4/0x458 [ 83.662873][ T4996] __cleanup_mnt+0x20/0x30 [ 83.663603][ T4996] task_work_run+0x12c/0x1e0 [ 83.664333][ T4996] do_notify_resume+0x24b4/0x3128 [ 83.665111][ T4996] el0_svc+0xf0/0x1e0 [ 83.665688][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 83.666487][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 83.667168][ T4996] irq event stamp: 256678 [ 83.667839][ T4996] hardirqs last enabled at (256677): [] __up_console_sem+0xb4/0x100 [ 83.669425][ T4996] hardirqs last disabled at (256678): [] el1_dbg+0x24/0x80 [ 83.670875][ T4996] softirqs last enabled at (256528): [] local_bh_enable+0x10/0x34 [ 83.672376][ T4996] softirqs last disabled at (256526): [] local_bh_disable+0x10/0x34 [ 83.673836][ T4996] ---[ end trace 339f327291b9aba8 ]--- [ 83.717965][ T5292] loop0: detected capacity change from 0 to 1024 [ 83.730133][ T5292] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 83.742653][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 83.746013][ T4996] ------------[ cut here ]------------ [ 83.746807][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 83.748310][ T4996] Modules linked in: [ 83.748912][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.750182][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.751556][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.752605][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.753407][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.754229][ T4996] sp : ffff80001f886f80 [ 83.754825][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ce323020 [ 83.755967][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e279e650 [ 83.757091][ T4996] x23: ffff0000e279e678 x22: ffff0000ce323020 x21: 00000000bd8f6515 [ 83.758226][ T4996] x20: ffff0000da5b6068 x19: ffff0000da5b6000 x18: 1fffe0003421a996 [ 83.759348][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 83.760543][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 83.761913][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 83.763293][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 83.764510][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 83.765772][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.766983][ T4996] Call trace: [ 83.767495][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 83.768345][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 83.769241][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 83.770162][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 83.770970][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 83.771795][ T4996] ext4_dirty_inode+0xd0/0x100 [ 83.772489][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 83.773211][ T4996] iput+0x1bc/0x77c [ 83.773849][ T4996] dentry_unlink_inode+0x360/0x438 [ 83.774676][ T4996] __dentry_kill+0x320/0x598 [ 83.775467][ T4996] shrink_dentry_list+0x410/0x7c8 [ 83.776256][ T4996] shrink_dcache_parent+0xb0/0x354 [ 83.777059][ T4996] do_one_tree+0x2c/0xf0 [ 83.777735][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 83.778687][ T4996] generic_shutdown_super+0x68/0x2f0 [ 83.779556][ T4996] kill_block_super+0x70/0xdc [ 83.780233][ T4996] deactivate_locked_super+0xb8/0x13c [ 83.781010][ T4996] deactivate_super+0xf8/0x118 [ 83.781741][ T4996] cleanup_mnt+0x3a4/0x458 [ 83.782360][ T4996] __cleanup_mnt+0x20/0x30 [ 83.783071][ T4996] task_work_run+0x12c/0x1e0 [ 83.783810][ T4996] do_notify_resume+0x24b4/0x3128 [ 83.784612][ T4996] el0_svc+0xf0/0x1e0 [ 83.785234][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 83.785958][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 83.786621][ T4996] irq event stamp: 260432 [ 83.787235][ T4996] hardirqs last enabled at (260431): [] finish_lock_switch+0xb0/0x1c4 [ 83.788645][ T4996] hardirqs last disabled at (260432): [] el1_dbg+0x24/0x80 [ 83.789990][ T4996] softirqs last enabled at (260426): [] handle_softirqs+0xa4c/0xbf0 [ 83.791563][ T4996] softirqs last disabled at (260381): [] __irq_exit_rcu+0x240/0x440 [ 83.793013][ T4996] ---[ end trace 339f327291b9aba9 ]--- [ 83.846630][ T5306] loop0: detected capacity change from 0 to 1024 [ 83.915909][ T5306] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 83.923492][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 83.925496][ T4996] ------------[ cut here ]------------ [ 83.926303][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 83.927722][ T4996] Modules linked in: [ 83.928319][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.929638][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.931164][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.932389][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.933245][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 83.934181][ T4996] sp : ffff80001f886f80 [ 83.934846][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ec16a820 [ 83.936173][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed041690 [ 83.937518][ T4996] x23: ffff0000ed0416b8 x22: ffff0000ec16a820 x21: 00000000bd8f6515 [ 83.938794][ T4996] x20: ffff0000d5f4c068 x19: ffff0000d5f4c000 x18: 0000000000000001 [ 83.940187][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 83.941578][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.942940][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 83.944304][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.945547][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 83.946815][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 83.948126][ T4996] Call trace: [ 83.948658][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 83.949518][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 83.950334][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 83.951280][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 83.952192][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 83.953068][ T4996] ext4_dirty_inode+0xd0/0x100 [ 83.953800][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 83.954620][ T4996] iput+0x1bc/0x77c [ 83.955199][ T4996] dentry_unlink_inode+0x360/0x438 [ 83.955984][ T4996] __dentry_kill+0x320/0x598 [ 83.956715][ T4996] shrink_dentry_list+0x410/0x7c8 [ 83.957485][ T4996] shrink_dcache_parent+0xb0/0x354 [ 83.958303][ T4996] do_one_tree+0x2c/0xf0 [ 83.959009][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 83.959867][ T4996] generic_shutdown_super+0x68/0x2f0 [ 83.960743][ T4996] kill_block_super+0x70/0xdc [ 83.961508][ T4996] deactivate_locked_super+0xb8/0x13c [ 83.962340][ T4996] deactivate_super+0xf8/0x118 [ 83.963119][ T4996] cleanup_mnt+0x3a4/0x458 [ 83.963809][ T4996] __cleanup_mnt+0x20/0x30 [ 83.964490][ T4996] task_work_run+0x12c/0x1e0 [ 83.965222][ T4996] do_notify_resume+0x24b4/0x3128 [ 83.966046][ T4996] el0_svc+0xf0/0x1e0 [ 83.966686][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 83.967509][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 83.968270][ T4996] irq event stamp: 264238 [ 83.968956][ T4996] hardirqs last enabled at (264237): [] __up_console_sem+0xb4/0x100 [ 83.970522][ T4996] hardirqs last disabled at (264238): [] el1_dbg+0x24/0x80 [ 83.971815][ T4996] softirqs last enabled at (264234): [] handle_softirqs+0xa4c/0xbf0 [ 83.973285][ T4996] softirqs last disabled at (264203): [] __irq_exit_rcu+0x240/0x440 [ 83.974763][ T4996] ---[ end trace 339f327291b9abaa ]--- [ 84.022893][ T5310] loop0: detected capacity change from 0 to 1024 [ 84.075429][ T5310] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 84.087816][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 84.089702][ T4996] ------------[ cut here ]------------ [ 84.090493][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 84.091943][ T4996] Modules linked in: [ 84.092484][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.093939][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.095674][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.097033][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.098004][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.098948][ T4996] sp : ffff80001f886f80 [ 84.099671][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d794a020 [ 84.101028][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000dfb6f048 [ 84.102405][ T4996] x23: ffff0000dfb6f070 x22: ffff0000d794a020 x21: 00000000bd8f6515 [ 84.103721][ T4996] x20: ffff0000cc39e068 x19: ffff0000cc39e000 x18: 1fffe00034216796 [ 84.104999][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 84.106368][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 84.107705][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 84.109041][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 84.110335][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 84.111616][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.112961][ T4996] Call trace: [ 84.113460][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 84.114332][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 84.115150][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 84.115972][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 84.116782][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 84.117577][ T4996] ext4_dirty_inode+0xd0/0x100 [ 84.118219][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 84.118987][ T4996] iput+0x1bc/0x77c [ 84.119568][ T4996] dentry_unlink_inode+0x360/0x438 [ 84.120352][ T4996] __dentry_kill+0x320/0x598 [ 84.121077][ T4996] shrink_dentry_list+0x410/0x7c8 [ 84.121898][ T4996] shrink_dcache_parent+0xb0/0x354 [ 84.122731][ T4996] do_one_tree+0x2c/0xf0 [ 84.123439][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 84.124261][ T4996] generic_shutdown_super+0x68/0x2f0 [ 84.125160][ T4996] kill_block_super+0x70/0xdc [ 84.125871][ T4996] deactivate_locked_super+0xb8/0x13c [ 84.126690][ T4996] deactivate_super+0xf8/0x118 [ 84.127445][ T4996] cleanup_mnt+0x3a4/0x458 [ 84.128204][ T4996] __cleanup_mnt+0x20/0x30 [ 84.128998][ T4996] task_work_run+0x12c/0x1e0 [ 84.129741][ T4996] do_notify_resume+0x24b4/0x3128 [ 84.130593][ T4996] el0_svc+0xf0/0x1e0 [ 84.131234][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 84.132065][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 84.132827][ T4996] irq event stamp: 268612 [ 84.133508][ T4996] hardirqs last enabled at (268611): [] finish_lock_switch+0xb0/0x1c4 [ 84.135160][ T4996] hardirqs last disabled at (268612): [] el1_dbg+0x24/0x80 [ 84.136589][ T4996] softirqs last enabled at (268454): [] local_bh_enable+0x10/0x34 [ 84.138187][ T4996] softirqs last disabled at (268452): [] local_bh_disable+0x10/0x34 [ 84.139717][ T4996] ---[ end trace 339f327291b9abab ]--- [ 84.144087][ T4163] Bluetooth: hci0: command 0x040f tx timeout [ 84.195201][ T5314] loop0: detected capacity change from 0 to 1024 [ 84.245674][ T5314] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 84.253580][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 84.255821][ T4996] ------------[ cut here ]------------ [ 84.256594][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 84.258019][ T4996] Modules linked in: [ 84.258590][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.259999][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.261563][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.262630][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.263401][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.264249][ T4996] sp : ffff80001f886f80 [ 84.264842][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c1a99020 [ 84.266052][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2682a80 [ 84.267254][ T4996] x23: ffff0000e2682aa8 x22: ffff0000c1a99020 x21: 00000000bd8f6515 [ 84.268397][ T4996] x20: ffff0000cccbe068 x19: ffff0000cccbe000 x18: 0000000000000002 [ 84.269534][ T4996] x17: 0000000040000000 x16: ffff8000111c81d4 x15: 0000000000000002 [ 84.270754][ T4996] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 84.272009][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 84.273118][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 84.274336][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 84.275519][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.276763][ T4996] Call trace: [ 84.277250][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 84.278092][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 84.278911][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 84.279865][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 84.280778][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 84.281656][ T4996] ext4_dirty_inode+0xd0/0x100 [ 84.282393][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 84.283273][ T4996] iput+0x1bc/0x77c [ 84.283908][ T4996] dentry_unlink_inode+0x360/0x438 [ 84.284686][ T4996] __dentry_kill+0x320/0x598 [ 84.285482][ T4996] shrink_dentry_list+0x410/0x7c8 [ 84.286345][ T4996] shrink_dcache_parent+0xb0/0x354 [ 84.287195][ T4996] do_one_tree+0x2c/0xf0 [ 84.287923][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 84.288795][ T4996] generic_shutdown_super+0x68/0x2f0 [ 84.289623][ T4996] kill_block_super+0x70/0xdc [ 84.290411][ T4996] deactivate_locked_super+0xb8/0x13c [ 84.291267][ T4996] deactivate_super+0xf8/0x118 [ 84.292047][ T4996] cleanup_mnt+0x3a4/0x458 [ 84.292785][ T4996] __cleanup_mnt+0x20/0x30 [ 84.293515][ T4996] task_work_run+0x12c/0x1e0 [ 84.294231][ T4996] do_notify_resume+0x24b4/0x3128 [ 84.295114][ T4996] el0_svc+0xf0/0x1e0 [ 84.295727][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 84.296585][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 84.297300][ T4996] irq event stamp: 272782 [ 84.298007][ T4996] hardirqs last enabled at (272781): [] finish_lock_switch+0xb0/0x1c4 [ 84.299632][ T4996] hardirqs last disabled at (272782): [] el1_dbg+0x24/0x80 [ 84.300998][ T4996] softirqs last enabled at (272776): [] handle_softirqs+0xa4c/0xbf0 [ 84.302507][ T4996] softirqs last disabled at (272751): [] __irq_exit_rcu+0x240/0x440 [ 84.303912][ T4996] ---[ end trace 339f327291b9abac ]--- [ 84.344427][ T5318] loop0: detected capacity change from 0 to 1024 [ 84.405132][ T5318] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 84.413523][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 84.415464][ T4996] ------------[ cut here ]------------ [ 84.416314][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 84.417773][ T4996] Modules linked in: [ 84.418379][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.419869][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.421437][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.422691][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.423692][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.424683][ T4996] sp : ffff80001f886f80 [ 84.425368][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000da5bf020 [ 84.426673][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed044868 [ 84.427917][ T4996] x23: ffff0000ed044890 x22: ffff0000da5bf020 x21: 00000000bd8f6515 [ 84.429198][ T4996] x20: ffff0000d4cb4068 x19: ffff0000d4cb4000 x18: 0000000000000001 [ 84.430482][ T4996] x17: 0000000000000000 x16: ffff80000830215c x15: 00000000ffffffff [ 84.431736][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.433100][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 84.434481][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.435824][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000830226c [ 84.437088][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.438363][ T4996] Call trace: [ 84.438867][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 84.439691][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 84.440527][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 84.441451][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 84.442383][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 84.443226][ T4996] ext4_dirty_inode+0xd0/0x100 [ 84.444000][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 84.444848][ T4996] iput+0x1bc/0x77c [ 84.445474][ T4996] dentry_unlink_inode+0x360/0x438 [ 84.446300][ T4996] __dentry_kill+0x320/0x598 [ 84.447046][ T4996] shrink_dentry_list+0x410/0x7c8 [ 84.447917][ T4996] shrink_dcache_parent+0xb0/0x354 [ 84.448777][ T4996] do_one_tree+0x2c/0xf0 [ 84.449407][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 84.450198][ T4996] generic_shutdown_super+0x68/0x2f0 [ 84.450996][ T4996] kill_block_super+0x70/0xdc [ 84.451715][ T4996] deactivate_locked_super+0xb8/0x13c [ 84.452637][ T4996] deactivate_super+0xf8/0x118 [ 84.453453][ T4996] cleanup_mnt+0x3a4/0x458 [ 84.454213][ T4996] __cleanup_mnt+0x20/0x30 [ 84.454971][ T4996] task_work_run+0x12c/0x1e0 [ 84.455761][ T4996] do_notify_resume+0x24b4/0x3128 [ 84.456609][ T4996] el0_svc+0xf0/0x1e0 [ 84.457321][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 84.458116][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 84.458794][ T4996] irq event stamp: 276976 [ 84.459471][ T4996] hardirqs last enabled at (276975): [] __up_console_sem+0xb4/0x100 [ 84.460980][ T4996] hardirqs last disabled at (276976): [] el1_dbg+0x24/0x80 [ 84.462382][ T4996] softirqs last enabled at (276972): [] handle_softirqs+0xa4c/0xbf0 [ 84.463806][ T4996] softirqs last disabled at (276949): [] __irq_exit_rcu+0x240/0x440 [ 84.465336][ T4996] ---[ end trace 339f327291b9abad ]--- [ 84.525115][ T5322] loop0: detected capacity change from 0 to 1024 [ 84.576002][ T5322] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 84.587791][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 84.589627][ T4996] ------------[ cut here ]------------ [ 84.590389][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 84.591954][ T4996] Modules linked in: [ 84.592564][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.593890][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.595546][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.596778][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.597736][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.598682][ T4996] sp : ffff80001f886f80 [ 84.599368][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000cdcf5820 [ 84.600563][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed046650 [ 84.601773][ T4996] x23: ffff0000ed046678 x22: ffff0000cdcf5820 x21: 00000000bd8f6515 [ 84.602956][ T4996] x20: ffff0000ec3f8068 x19: ffff0000ec3f8000 x18: 0000000000000001 [ 84.604140][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 84.605345][ T4996] x14: 0000000000ff0100 x13: b9c8a2f608781eb3 x12: 0000000000ff0100 [ 84.606522][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 84.607707][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 84.608876][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 84.610025][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.611333][ T4996] Call trace: [ 84.611855][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 84.612749][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 84.613591][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 84.614543][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 84.615449][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 84.616351][ T4996] ext4_dirty_inode+0xd0/0x100 [ 84.617079][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 84.617962][ T4996] iput+0x1bc/0x77c [ 84.618564][ T4996] dentry_unlink_inode+0x360/0x438 [ 84.619362][ T4996] __dentry_kill+0x320/0x598 [ 84.620130][ T4996] shrink_dentry_list+0x410/0x7c8 [ 84.620962][ T4996] shrink_dcache_parent+0xb0/0x354 [ 84.621788][ T4996] do_one_tree+0x2c/0xf0 [ 84.622474][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 84.623380][ T4996] generic_shutdown_super+0x68/0x2f0 [ 84.624231][ T4996] kill_block_super+0x70/0xdc [ 84.625005][ T4996] deactivate_locked_super+0xb8/0x13c [ 84.625884][ T4996] deactivate_super+0xf8/0x118 [ 84.626657][ T4996] cleanup_mnt+0x3a4/0x458 [ 84.627348][ T4996] __cleanup_mnt+0x20/0x30 [ 84.628085][ T4996] task_work_run+0x12c/0x1e0 [ 84.628796][ T4996] do_notify_resume+0x24b4/0x3128 [ 84.629560][ T4996] el0_svc+0xf0/0x1e0 [ 84.630165][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 84.630917][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 84.631592][ T4996] irq event stamp: 280878 [ 84.632193][ T4996] hardirqs last enabled at (280877): [] __schedule+0xefc/0x1bf8 [ 84.633392][ T4996] hardirqs last disabled at (280878): [] el1_dbg+0x24/0x80 [ 84.634804][ T4996] softirqs last enabled at (280740): [] local_bh_enable+0x10/0x34 [ 84.636390][ T4996] softirqs last disabled at (280738): [] local_bh_disable+0x10/0x34 [ 84.637957][ T4996] ---[ end trace 339f327291b9abae ]--- [ 84.677621][ T5326] loop0: detected capacity change from 0 to 1024 [ 84.725806][ T5326] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 84.737526][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 84.739316][ T4996] ------------[ cut here ]------------ [ 84.740107][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 84.741646][ T4996] Modules linked in: [ 84.742241][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.743643][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.745237][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.746311][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.747239][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.748089][ T4996] sp : ffff80001f886f80 [ 84.748785][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c2513820 [ 84.750061][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e24e5c58 [ 84.751428][ T4996] x23: ffff0000e24e5c80 x22: ffff0000c2513820 x21: 00000000bd8f6515 [ 84.752755][ T4996] x20: ffff0000c6000068 x19: ffff0000c6000000 x18: 0000000000000001 [ 84.754047][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 84.755334][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.756653][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 84.757948][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.759253][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 84.760633][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.761991][ T4996] Call trace: [ 84.762547][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 84.763413][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 84.764265][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 84.765173][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 84.766031][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 84.766852][ T4996] ext4_dirty_inode+0xd0/0x100 [ 84.767578][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 84.768361][ T4996] iput+0x1bc/0x77c [ 84.768931][ T4996] dentry_unlink_inode+0x360/0x438 [ 84.769814][ T4996] __dentry_kill+0x320/0x598 [ 84.770619][ T4996] shrink_dentry_list+0x410/0x7c8 [ 84.771422][ T4996] shrink_dcache_parent+0xb0/0x354 [ 84.772299][ T4996] do_one_tree+0x2c/0xf0 [ 84.772998][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 84.773918][ T4996] generic_shutdown_super+0x68/0x2f0 [ 84.774813][ T4996] kill_block_super+0x70/0xdc [ 84.775621][ T4996] deactivate_locked_super+0xb8/0x13c [ 84.776507][ T4996] deactivate_super+0xf8/0x118 [ 84.777305][ T4996] cleanup_mnt+0x3a4/0x458 [ 84.778047][ T4996] __cleanup_mnt+0x20/0x30 [ 84.778737][ T4996] task_work_run+0x12c/0x1e0 [ 84.779428][ T4996] do_notify_resume+0x24b4/0x3128 [ 84.780197][ T4996] el0_svc+0xf0/0x1e0 [ 84.780837][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 84.781561][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 84.782277][ T4996] irq event stamp: 285374 [ 84.783026][ T4996] hardirqs last enabled at (285373): [] __up_console_sem+0xb4/0x100 [ 84.784707][ T4996] hardirqs last disabled at (285374): [] el1_dbg+0x24/0x80 [ 84.786233][ T4996] softirqs last enabled at (285234): [] local_bh_enable+0x10/0x34 [ 84.787889][ T4996] softirqs last disabled at (285232): [] local_bh_disable+0x10/0x34 [ 84.789528][ T4996] ---[ end trace 339f327291b9abaf ]--- [ 84.845716][ T5330] loop0: detected capacity change from 0 to 1024 [ 84.945779][ T5330] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 84.959744][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 84.961621][ T4996] ------------[ cut here ]------------ [ 84.962432][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 84.963900][ T4996] Modules linked in: [ 84.964516][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.965858][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.967301][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.968589][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.969527][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 84.970473][ T4996] sp : ffff80001f886f80 [ 84.971125][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000dceed820 [ 84.972346][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2679690 [ 84.973677][ T4996] x23: ffff0000e26796b8 x22: ffff0000dceed820 x21: 00000000bd8f6515 [ 84.974957][ T4996] x20: ffff0000cad8e068 x19: ffff0000cad8e000 x18: 0000000000000001 [ 84.976243][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 84.977514][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.978739][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 84.979959][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.981204][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 84.982573][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 84.983916][ T4996] Call trace: [ 84.984449][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 84.985329][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 84.986192][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 84.987125][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 84.988055][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 84.988997][ T4996] ext4_dirty_inode+0xd0/0x100 [ 84.989788][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 84.990638][ T4996] iput+0x1bc/0x77c [ 84.991248][ T4996] dentry_unlink_inode+0x360/0x438 [ 84.992092][ T4996] __dentry_kill+0x320/0x598 [ 84.992893][ T4996] shrink_dentry_list+0x410/0x7c8 [ 84.993744][ T4996] shrink_dcache_parent+0xb0/0x354 [ 84.994616][ T4996] do_one_tree+0x2c/0xf0 [ 84.995336][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 84.996291][ T4996] generic_shutdown_super+0x68/0x2f0 [ 84.997145][ T4996] kill_block_super+0x70/0xdc [ 84.997937][ T4996] deactivate_locked_super+0xb8/0x13c [ 84.998853][ T4996] deactivate_super+0xf8/0x118 [ 84.999592][ T4996] cleanup_mnt+0x3a4/0x458 [ 85.000258][ T4996] __cleanup_mnt+0x20/0x30 [ 85.000997][ T4996] task_work_run+0x12c/0x1e0 [ 85.001787][ T4996] do_notify_resume+0x24b4/0x3128 [ 85.002651][ T4996] el0_svc+0xf0/0x1e0 [ 85.003345][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 85.004186][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 85.004906][ T4996] irq event stamp: 289282 [ 85.005590][ T4996] hardirqs last enabled at (289281): [] __up_console_sem+0xb4/0x100 [ 85.007132][ T4996] hardirqs last disabled at (289282): [] el1_dbg+0x24/0x80 [ 85.008600][ T4996] softirqs last enabled at (289134): [] local_bh_enable+0x10/0x34 [ 85.010174][ T4996] softirqs last disabled at (289132): [] local_bh_disable+0x10/0x34 [ 85.011715][ T4996] ---[ end trace 339f327291b9abb0 ]--- [ 85.045085][ T5334] loop0: detected capacity change from 0 to 1024 [ 85.095211][ T5334] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 85.101745][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 85.103466][ T4996] ------------[ cut here ]------------ [ 85.104239][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 85.105756][ T4996] Modules linked in: [ 85.106361][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.107749][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.109288][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.110490][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.111354][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.112215][ T4996] sp : ffff80001f886f80 [ 85.112864][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d7a1d020 [ 85.114056][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e24e5260 [ 85.115310][ T4996] x23: ffff0000e24e5288 x22: ffff0000d7a1d020 x21: 00000000bd8f6515 [ 85.116690][ T4996] x20: ffff0000ce780068 x19: ffff0000ce780000 x18: 0000000000000001 [ 85.118000][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 85.119243][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.120626][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 85.121931][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.123211][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff800008504710 [ 85.124389][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.125623][ T4996] Call trace: [ 85.126123][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 85.126912][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 85.127730][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 85.128566][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 85.129444][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 85.130255][ T4996] ext4_dirty_inode+0xd0/0x100 [ 85.130974][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 85.131745][ T4996] iput+0x1bc/0x77c [ 85.132298][ T4996] dentry_unlink_inode+0x360/0x438 [ 85.133078][ T4996] __dentry_kill+0x320/0x598 [ 85.133694][ T4996] shrink_dentry_list+0x410/0x7c8 [ 85.134390][ T4996] shrink_dcache_parent+0xb0/0x354 [ 85.135219][ T4996] do_one_tree+0x2c/0xf0 [ 85.135910][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 85.136719][ T4996] generic_shutdown_super+0x68/0x2f0 [ 85.137536][ T4996] kill_block_super+0x70/0xdc [ 85.138263][ T4996] deactivate_locked_super+0xb8/0x13c [ 85.139092][ T4996] deactivate_super+0xf8/0x118 [ 85.139861][ T4996] cleanup_mnt+0x3a4/0x458 [ 85.140543][ T4996] __cleanup_mnt+0x20/0x30 [ 85.141238][ T4996] task_work_run+0x12c/0x1e0 [ 85.142020][ T4996] do_notify_resume+0x24b4/0x3128 [ 85.142857][ T4996] el0_svc+0xf0/0x1e0 [ 85.143477][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 85.144211][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 85.144868][ T4996] irq event stamp: 293198 [ 85.145527][ T4996] hardirqs last enabled at (293197): [] __up_console_sem+0xb4/0x100 [ 85.147106][ T4996] hardirqs last disabled at (293198): [] el1_dbg+0x24/0x80 [ 85.148483][ T4996] softirqs last enabled at (293000): [] local_bh_enable+0x10/0x34 [ 85.149919][ T4996] softirqs last disabled at (292998): [] local_bh_disable+0x10/0x34 [ 85.151537][ T4996] ---[ end trace 339f327291b9abb1 ]--- [ 85.214241][ T5338] loop0: detected capacity change from 0 to 1024 [ 85.305952][ T5338] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 85.313333][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 85.316686][ T4996] ------------[ cut here ]------------ [ 85.317516][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 85.319093][ T4996] Modules linked in: [ 85.319688][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.321051][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.322565][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.323770][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.324752][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.325700][ T4996] sp : ffff80001f886f80 [ 85.326334][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ec5da020 [ 85.327636][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed03b478 [ 85.328965][ T4996] x23: ffff0000ed03b4a0 x22: ffff0000ec5da020 x21: 00000000bd8f6515 [ 85.330237][ T4996] x20: ffff0000ce238068 x19: ffff0000ce238000 x18: 1fffe0003421a996 [ 85.331533][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 85.332790][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 85.333933][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 85.335088][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 85.336316][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 85.337444][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.338711][ T4996] Call trace: [ 85.339271][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 85.340068][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 85.340906][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 85.341854][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 85.342681][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 85.343564][ T4996] ext4_dirty_inode+0xd0/0x100 [ 85.344266][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 85.345094][ T4996] iput+0x1bc/0x77c [ 85.345760][ T4996] dentry_unlink_inode+0x360/0x438 [ 85.346634][ T4996] __dentry_kill+0x320/0x598 [ 85.347364][ T4996] shrink_dentry_list+0x410/0x7c8 [ 85.348142][ T4996] shrink_dcache_parent+0xb0/0x354 [ 85.349010][ T4996] do_one_tree+0x2c/0xf0 [ 85.349751][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 85.350683][ T4996] generic_shutdown_super+0x68/0x2f0 [ 85.351495][ T4996] kill_block_super+0x70/0xdc [ 85.352309][ T4996] deactivate_locked_super+0xb8/0x13c [ 85.353142][ T4996] deactivate_super+0xf8/0x118 [ 85.353937][ T4996] cleanup_mnt+0x3a4/0x458 [ 85.354675][ T4996] __cleanup_mnt+0x20/0x30 [ 85.355353][ T4996] task_work_run+0x12c/0x1e0 [ 85.356116][ T4996] do_notify_resume+0x24b4/0x3128 [ 85.356961][ T4996] el0_svc+0xf0/0x1e0 [ 85.357539][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 85.358273][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 85.358914][ T4996] irq event stamp: 296744 [ 85.359603][ T4996] hardirqs last enabled at (296743): [] finish_lock_switch+0xb0/0x1c4 [ 85.361140][ T4996] hardirqs last disabled at (296744): [] el1_dbg+0x24/0x80 [ 85.362409][ T4996] softirqs last enabled at (296738): [] handle_softirqs+0xa4c/0xbf0 [ 85.363808][ T4996] softirqs last disabled at (296725): [] __irq_exit_rcu+0x240/0x440 [ 85.365219][ T4996] ---[ end trace 339f327291b9abb2 ]--- [ 85.424900][ T5342] loop0: detected capacity change from 0 to 1024 [ 85.476078][ T5342] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 85.483224][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 85.485183][ T4996] ------------[ cut here ]------------ [ 85.485939][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 85.487254][ T4996] Modules linked in: [ 85.487798][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.489042][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.490409][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.491582][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.492491][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.493347][ T4996] sp : ffff80001f886f80 [ 85.493971][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c7a2a020 [ 85.495186][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e24602a0 [ 85.496352][ T4996] x23: ffff0000e24602c8 x22: ffff0000c7a2a020 x21: 00000000bd8f6515 [ 85.497524][ T4996] x20: ffff0000ea680068 x19: ffff0000ea680000 x18: 1fffe0003421a996 [ 85.498678][ T4996] x17: 1fffe0003421a996 x16: ffff8000082c0bfc x15: ffff80001421ed80 [ 85.499821][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 85.500977][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 85.502128][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 85.503330][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000823562c [ 85.504601][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.505824][ T4996] Call trace: [ 85.506340][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 85.507192][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 85.507966][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 85.508780][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 85.509547][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 85.510341][ T4996] ext4_dirty_inode+0xd0/0x100 [ 85.511086][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 85.511825][ T4996] iput+0x1bc/0x77c [ 85.512386][ T4996] dentry_unlink_inode+0x360/0x438 [ 85.513156][ T4996] __dentry_kill+0x320/0x598 [ 85.513822][ T4996] shrink_dentry_list+0x410/0x7c8 [ 85.514555][ T4996] shrink_dcache_parent+0xb0/0x354 [ 85.515288][ T4996] do_one_tree+0x2c/0xf0 [ 85.515877][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 85.516648][ T4996] generic_shutdown_super+0x68/0x2f0 [ 85.517391][ T4996] kill_block_super+0x70/0xdc [ 85.518058][ T4996] deactivate_locked_super+0xb8/0x13c [ 85.518863][ T4996] deactivate_super+0xf8/0x118 [ 85.519619][ T4996] cleanup_mnt+0x3a4/0x458 [ 85.520373][ T4996] __cleanup_mnt+0x20/0x30 [ 85.521086][ T4996] task_work_run+0x12c/0x1e0 [ 85.521830][ T4996] do_notify_resume+0x24b4/0x3128 [ 85.522573][ T4996] el0_svc+0xf0/0x1e0 [ 85.523131][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 85.523913][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 85.524619][ T4996] irq event stamp: 300540 [ 85.525244][ T4996] hardirqs last enabled at (300539): [] finish_lock_switch+0xb0/0x1c4 [ 85.526727][ T4996] hardirqs last disabled at (300540): [] el1_dbg+0x24/0x80 [ 85.527986][ T4996] softirqs last enabled at (300534): [] handle_softirqs+0xa4c/0xbf0 [ 85.529378][ T4996] softirqs last disabled at (300521): [] __irq_exit_rcu+0x240/0x440 [ 85.530895][ T4996] ---[ end trace 339f327291b9abb3 ]--- [ 85.605098][ T5346] loop0: detected capacity change from 0 to 1024 [ 85.655312][ T5346] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 85.663080][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 85.665287][ T4996] ------------[ cut here ]------------ [ 85.666163][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 85.667621][ T4996] Modules linked in: [ 85.668189][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.669517][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.671016][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.672307][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.673295][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.674158][ T4996] sp : ffff80001f886f80 [ 85.674817][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d6515820 [ 85.676132][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e267d260 [ 85.677379][ T4996] x23: ffff0000e267d288 x22: ffff0000d6515820 x21: 00000000bd8f6515 [ 85.678701][ T4996] x20: ffff0000d9f22068 x19: ffff0000d9f22000 x18: 1fffe00034216796 [ 85.680076][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 85.681305][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 85.682522][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 85.683779][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 85.685045][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 85.686343][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.687586][ T4996] Call trace: [ 85.688137][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 85.689080][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 85.689994][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 85.690913][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 85.691812][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 85.692662][ T4996] ext4_dirty_inode+0xd0/0x100 [ 85.693346][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 85.694124][ T4996] iput+0x1bc/0x77c [ 85.694763][ T4996] dentry_unlink_inode+0x360/0x438 [ 85.695638][ T4996] __dentry_kill+0x320/0x598 [ 85.696397][ T4996] shrink_dentry_list+0x410/0x7c8 [ 85.697232][ T4996] shrink_dcache_parent+0xb0/0x354 [ 85.698064][ T4996] do_one_tree+0x2c/0xf0 [ 85.698761][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 85.699621][ T4996] generic_shutdown_super+0x68/0x2f0 [ 85.700505][ T4996] kill_block_super+0x70/0xdc [ 85.701277][ T4996] deactivate_locked_super+0xb8/0x13c [ 85.702181][ T4996] deactivate_super+0xf8/0x118 [ 85.702922][ T4996] cleanup_mnt+0x3a4/0x458 [ 85.703673][ T4996] __cleanup_mnt+0x20/0x30 [ 85.704455][ T4996] task_work_run+0x12c/0x1e0 [ 85.705217][ T4996] do_notify_resume+0x24b4/0x3128 [ 85.705992][ T4996] el0_svc+0xf0/0x1e0 [ 85.706641][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 85.707501][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 85.708275][ T4996] irq event stamp: 304480 [ 85.708980][ T4996] hardirqs last enabled at (304479): [] finish_lock_switch+0xb0/0x1c4 [ 85.710631][ T4996] hardirqs last disabled at (304480): [] el1_dbg+0x24/0x80 [ 85.712044][ T4996] softirqs last enabled at (304474): [] handle_softirqs+0xa4c/0xbf0 [ 85.713604][ T4996] softirqs last disabled at (304457): [] __irq_exit_rcu+0x240/0x440 [ 85.715093][ T4996] ---[ end trace 339f327291b9abb4 ]--- [ 85.754975][ T5350] loop0: detected capacity change from 0 to 1024 [ 85.815101][ T5350] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 85.822651][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 85.825255][ T4996] ------------[ cut here ]------------ [ 85.826084][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 85.827509][ T4996] Modules linked in: [ 85.828106][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.829510][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.831013][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.832144][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.832994][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.833917][ T4996] sp : ffff80001f886f80 [ 85.834563][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000daa86820 [ 85.835906][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2462088 [ 85.837204][ T4996] x23: ffff0000e24620b0 x22: ffff0000daa86820 x21: 00000000bd8f6515 [ 85.838549][ T4996] x20: ffff0000cec8a068 x19: ffff0000cec8a000 x18: 1fffe00034216796 [ 85.839797][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 85.841078][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 85.842441][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 85.843805][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 85.845046][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 85.846286][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 85.847646][ T4996] Call trace: [ 85.848211][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 85.849054][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 85.849876][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 85.850770][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 85.851630][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 85.852476][ T4996] ext4_dirty_inode+0xd0/0x100 [ 85.853212][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 85.853999][ T4996] iput+0x1bc/0x77c [ 85.854580][ T4996] dentry_unlink_inode+0x360/0x438 [ 85.855371][ T4996] __dentry_kill+0x320/0x598 [ 85.856158][ T4996] shrink_dentry_list+0x410/0x7c8 [ 85.857030][ T4996] shrink_dcache_parent+0xb0/0x354 [ 85.857905][ T4996] do_one_tree+0x2c/0xf0 [ 85.858641][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 85.859491][ T4996] generic_shutdown_super+0x68/0x2f0 [ 85.860371][ T4996] kill_block_super+0x70/0xdc [ 85.861133][ T4996] deactivate_locked_super+0xb8/0x13c [ 85.862065][ T4996] deactivate_super+0xf8/0x118 [ 85.862847][ T4996] cleanup_mnt+0x3a4/0x458 [ 85.863602][ T4996] __cleanup_mnt+0x20/0x30 [ 85.864313][ T4996] task_work_run+0x12c/0x1e0 [ 85.865098][ T4996] do_notify_resume+0x24b4/0x3128 [ 85.865918][ T4996] el0_svc+0xf0/0x1e0 [ 85.866543][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 85.867333][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 85.868015][ T4996] irq event stamp: 308368 [ 85.868739][ T4996] hardirqs last enabled at (308367): [] finish_lock_switch+0xb0/0x1c4 [ 85.870360][ T4996] hardirqs last disabled at (308368): [] el1_dbg+0x24/0x80 [ 85.871850][ T4996] softirqs last enabled at (308362): [] handle_softirqs+0xa4c/0xbf0 [ 85.873346][ T4996] softirqs last disabled at (308317): [] __irq_exit_rcu+0x240/0x440 [ 85.874818][ T4996] ---[ end trace 339f327291b9abb5 ]--- [ 85.958319][ T5354] loop0: detected capacity change from 0 to 1024 [ 85.975700][ T5354] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 85.982775][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 85.985400][ T4996] ------------[ cut here ]------------ [ 85.986237][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 85.987726][ T4996] Modules linked in: [ 85.988328][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 85.989618][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.991052][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.992262][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.993122][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 85.994107][ T4996] sp : ffff80001f886f80 [ 85.994741][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d64a1020 [ 85.996042][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed048c98 [ 85.997410][ T4996] x23: ffff0000ed048cc0 x22: ffff0000d64a1020 x21: 00000000bd8f6515 [ 85.998663][ T4996] x20: ffff0000d1316068 x19: ffff0000d1316000 x18: 1fffe0003421a996 [ 85.999829][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 86.001163][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 86.002475][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 86.003816][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 86.005125][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 86.006370][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 86.007637][ T4996] Call trace: [ 86.008094][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 86.008913][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 86.009754][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 86.010633][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 86.011480][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 86.012423][ T4996] ext4_dirty_inode+0xd0/0x100 [ 86.013176][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 86.013943][ T4996] iput+0x1bc/0x77c [ 86.014495][ T4996] dentry_unlink_inode+0x360/0x438 [ 86.015259][ T4996] __dentry_kill+0x320/0x598 [ 86.015973][ T4996] shrink_dentry_list+0x410/0x7c8 [ 86.016759][ T4996] shrink_dcache_parent+0xb0/0x354 [ 86.017631][ T4996] do_one_tree+0x2c/0xf0 [ 86.018276][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 86.019138][ T4996] generic_shutdown_super+0x68/0x2f0 [ 86.019920][ T4996] kill_block_super+0x70/0xdc [ 86.020676][ T4996] deactivate_locked_super+0xb8/0x13c [ 86.021600][ T4996] deactivate_super+0xf8/0x118 [ 86.022420][ T4996] cleanup_mnt+0x3a4/0x458 [ 86.023164][ T4996] __cleanup_mnt+0x20/0x30 [ 86.023864][ T4996] task_work_run+0x12c/0x1e0 [ 86.024637][ T4996] do_notify_resume+0x24b4/0x3128 [ 86.025495][ T4996] el0_svc+0xf0/0x1e0 [ 86.026130][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 86.026974][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 86.027744][ T4996] irq event stamp: 312534 [ 86.028445][ T4996] hardirqs last enabled at (312533): [] finish_lock_switch+0xb0/0x1c4 [ 86.029912][ T4996] hardirqs last disabled at (312534): [] el1_dbg+0x24/0x80 [ 86.031212][ T4996] softirqs last enabled at (312528): [] handle_softirqs+0xa4c/0xbf0 [ 86.032907][ T4996] softirqs last disabled at (312481): [] __irq_exit_rcu+0x240/0x440 [ 86.034484][ T4996] ---[ end trace 339f327291b9abb6 ]--- [ 86.104963][ T5358] loop0: detected capacity change from 0 to 1024 [ 86.193908][ T5304] Bluetooth: hci0: command 0x0419 tx timeout [ 86.196255][ T5358] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 86.205221][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 86.206936][ T4996] ------------[ cut here ]------------ [ 86.207664][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 86.209179][ T4996] Modules linked in: [ 86.209743][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 86.211049][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.212504][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.213832][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.214787][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.215705][ T4996] sp : ffff80001f886f80 [ 86.216332][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ce4f5020 [ 86.217582][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed04a088 [ 86.218912][ T4996] x23: ffff0000ed04a0b0 x22: ffff0000ce4f5020 x21: 00000000bd8f6515 [ 86.220302][ T4996] x20: ffff0000dd4cc068 x19: ffff0000dd4cc000 x18: 0000000000000001 [ 86.221663][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 86.222963][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.224270][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 86.225579][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.226810][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 86.228006][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 86.229287][ T4996] Call trace: [ 86.229840][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 86.230712][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 86.231628][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 86.232613][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 86.233480][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 86.234276][ T4996] ext4_dirty_inode+0xd0/0x100 [ 86.235039][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 86.235895][ T4996] iput+0x1bc/0x77c [ 86.236519][ T4996] dentry_unlink_inode+0x360/0x438 [ 86.237365][ T4996] __dentry_kill+0x320/0x598 [ 86.238157][ T4996] shrink_dentry_list+0x410/0x7c8 [ 86.239020][ T4996] shrink_dcache_parent+0xb0/0x354 [ 86.239845][ T4996] do_one_tree+0x2c/0xf0 [ 86.240531][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 86.241424][ T4996] generic_shutdown_super+0x68/0x2f0 [ 86.242274][ T4996] kill_block_super+0x70/0xdc [ 86.243047][ T4996] deactivate_locked_super+0xb8/0x13c [ 86.243948][ T4996] deactivate_super+0xf8/0x118 [ 86.244740][ T4996] cleanup_mnt+0x3a4/0x458 [ 86.245456][ T4996] __cleanup_mnt+0x20/0x30 [ 86.246170][ T4996] task_work_run+0x12c/0x1e0 [ 86.246895][ T4996] do_notify_resume+0x24b4/0x3128 [ 86.247635][ T4996] el0_svc+0xf0/0x1e0 [ 86.248266][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 86.249071][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 86.249819][ T4996] irq event stamp: 316830 [ 86.250532][ T4996] hardirqs last enabled at (316829): [] __up_console_sem+0xb4/0x100 [ 86.252010][ T4996] hardirqs last disabled at (316830): [] el1_dbg+0x24/0x80 [ 86.253446][ T4996] softirqs last enabled at (316686): [] local_bh_enable+0x10/0x34 [ 86.254924][ T4996] softirqs last disabled at (316684): [] local_bh_disable+0x10/0x34 [ 86.256467][ T4996] ---[ end trace 339f327291b9abb7 ]--- [ 86.315209][ T5362] loop0: detected capacity change from 0 to 1024 [ 86.365343][ T5362] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 86.372854][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 86.375015][ T4996] ------------[ cut here ]------------ [ 86.375798][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 86.377206][ T4996] Modules linked in: [ 86.377785][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 86.379097][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.380487][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.381525][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.382318][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.383096][ T4996] sp : ffff80001f886f80 [ 86.383689][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d5dd5020 [ 86.384939][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2465c58 [ 86.386076][ T4996] x23: ffff0000e2465c80 x22: ffff0000d5dd5020 x21: 00000000bd8f6515 [ 86.387196][ T4996] x20: ffff0000ec63e068 x19: ffff0000ec63e000 x18: 1fffe00034216796 [ 86.388342][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 86.389623][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 86.390892][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 86.392089][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 86.393396][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 86.394643][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 86.395940][ T4996] Call trace: [ 86.396492][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 86.397334][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 86.398152][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 86.399093][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 86.400003][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 86.400941][ T4996] ext4_dirty_inode+0xd0/0x100 [ 86.401766][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 86.402547][ T4996] iput+0x1bc/0x77c [ 86.403140][ T4996] dentry_unlink_inode+0x360/0x438 [ 86.403930][ T4996] __dentry_kill+0x320/0x598 [ 86.404669][ T4996] shrink_dentry_list+0x410/0x7c8 [ 86.405421][ T4996] shrink_dcache_parent+0xb0/0x354 [ 86.406284][ T4996] do_one_tree+0x2c/0xf0 [ 86.407044][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 86.407974][ T4996] generic_shutdown_super+0x68/0x2f0 [ 86.408877][ T4996] kill_block_super+0x70/0xdc [ 86.409629][ T4996] deactivate_locked_super+0xb8/0x13c [ 86.410479][ T4996] deactivate_super+0xf8/0x118 [ 86.411253][ T4996] cleanup_mnt+0x3a4/0x458 [ 86.411939][ T4996] __cleanup_mnt+0x20/0x30 [ 86.412708][ T4996] task_work_run+0x12c/0x1e0 [ 86.413478][ T4996] do_notify_resume+0x24b4/0x3128 [ 86.414313][ T4996] el0_svc+0xf0/0x1e0 [ 86.415013][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 86.415795][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 86.416459][ T4996] irq event stamp: 320932 [ 86.417156][ T4996] hardirqs last enabled at (320931): [] finish_lock_switch+0xb0/0x1c4 [ 86.418772][ T4996] hardirqs last disabled at (320932): [] el1_dbg+0x24/0x80 [ 86.420244][ T4996] softirqs last enabled at (320926): [] handle_softirqs+0xa4c/0xbf0 [ 86.421806][ T4996] softirqs last disabled at (320901): [] __irq_exit_rcu+0x240/0x440 [ 86.423321][ T4996] ---[ end trace 339f327291b9abb8 ]--- [ 86.495158][ T5367] loop0: detected capacity change from 0 to 1024 [ 86.550863][ T5367] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 86.563166][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 86.565150][ T4996] ------------[ cut here ]------------ [ 86.566000][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 86.567485][ T4996] Modules linked in: [ 86.568074][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 86.569539][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.570990][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.572231][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.573149][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.574056][ T4996] sp : ffff80001f886f80 [ 86.574753][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c9d18020 [ 86.576035][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed04c868 [ 86.577315][ T4996] x23: ffff0000ed04c890 x22: ffff0000c9d18020 x21: 00000000bd8f6515 [ 86.578565][ T4996] x20: ffff0000d0dbe068 x19: ffff0000d0dbe000 x18: 1fffe00034216796 [ 86.579795][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 86.581200][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 86.582511][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 86.583885][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 86.585260][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 86.586514][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 86.587869][ T4996] Call trace: [ 86.588409][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 86.589338][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 86.590251][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 86.591253][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 86.592169][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 86.593116][ T4996] ext4_dirty_inode+0xd0/0x100 [ 86.593850][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 86.594735][ T4996] iput+0x1bc/0x77c [ 86.595375][ T4996] dentry_unlink_inode+0x360/0x438 [ 86.596236][ T4996] __dentry_kill+0x320/0x598 [ 86.596956][ T4996] shrink_dentry_list+0x410/0x7c8 [ 86.597773][ T4996] shrink_dcache_parent+0xb0/0x354 [ 86.598643][ T4996] do_one_tree+0x2c/0xf0 [ 86.599351][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 86.600230][ T4996] generic_shutdown_super+0x68/0x2f0 [ 86.601081][ T4996] kill_block_super+0x70/0xdc [ 86.601818][ T4996] deactivate_locked_super+0xb8/0x13c [ 86.602661][ T4996] deactivate_super+0xf8/0x118 [ 86.603447][ T4996] cleanup_mnt+0x3a4/0x458 [ 86.604189][ T4996] __cleanup_mnt+0x20/0x30 [ 86.604902][ T4996] task_work_run+0x12c/0x1e0 [ 86.605665][ T4996] do_notify_resume+0x24b4/0x3128 [ 86.606467][ T4996] el0_svc+0xf0/0x1e0 [ 86.607104][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 86.607899][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 86.608608][ T4996] irq event stamp: 324822 [ 86.609279][ T4996] hardirqs last enabled at (324821): [] finish_lock_switch+0xb0/0x1c4 [ 86.610835][ T4996] hardirqs last disabled at (324822): [] el1_dbg+0x24/0x80 [ 86.612272][ T4996] softirqs last enabled at (324816): [] handle_softirqs+0xa4c/0xbf0 [ 86.613895][ T4996] softirqs last disabled at (324789): [] __irq_exit_rcu+0x240/0x440 [ 86.615419][ T4996] ---[ end trace 339f327291b9abb9 ]--- [ 86.655097][ T5371] loop0: detected capacity change from 0 to 1024 [ 86.695452][ T5371] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 86.704282][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 86.706040][ T4996] ------------[ cut here ]------------ [ 86.706791][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 86.708273][ T4996] Modules linked in: [ 86.708926][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 86.710341][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.711814][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.712990][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.713859][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.714822][ T4996] sp : ffff80001f886f80 [ 86.715443][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d9d28820 [ 86.716573][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000ed04f048 [ 86.717707][ T4996] x23: ffff0000ed04f070 x22: ffff0000d9d28820 x21: 00000000bd8f6515 [ 86.718808][ T4996] x20: ffff0000dc7d6068 x19: ffff0000dc7d6000 x18: 0000000000000001 [ 86.719950][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 86.721091][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.722243][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 86.723433][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.724678][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 86.725865][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 86.727088][ T4996] Call trace: [ 86.727527][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 86.728334][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 86.729177][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 86.730120][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 86.731004][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 86.731928][ T4996] ext4_dirty_inode+0xd0/0x100 [ 86.732688][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 86.733470][ T4996] iput+0x1bc/0x77c [ 86.734051][ T4996] dentry_unlink_inode+0x360/0x438 [ 86.734829][ T4996] __dentry_kill+0x320/0x598 [ 86.735496][ T4996] shrink_dentry_list+0x410/0x7c8 [ 86.736284][ T4996] shrink_dcache_parent+0xb0/0x354 [ 86.737154][ T4996] do_one_tree+0x2c/0xf0 [ 86.737871][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 86.738942][ T4996] generic_shutdown_super+0x68/0x2f0 [ 86.739731][ T4996] kill_block_super+0x70/0xdc [ 86.740517][ T4996] deactivate_locked_super+0xb8/0x13c [ 86.741303][ T4996] deactivate_super+0xf8/0x118 [ 86.742030][ T4996] cleanup_mnt+0x3a4/0x458 [ 86.742794][ T4996] __cleanup_mnt+0x20/0x30 [ 86.743508][ T4996] task_work_run+0x12c/0x1e0 [ 86.744223][ T4996] do_notify_resume+0x24b4/0x3128 [ 86.745090][ T4996] el0_svc+0xf0/0x1e0 [ 86.745696][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 86.746474][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 86.747189][ T4996] irq event stamp: 328362 [ 86.747866][ T4996] hardirqs last enabled at (328361): [] __up_console_sem+0xb4/0x100 [ 86.749355][ T4996] hardirqs last disabled at (328362): [] el1_dbg+0x24/0x80 [ 86.750871][ T4996] softirqs last enabled at (328324): [] handle_softirqs+0xa4c/0xbf0 [ 86.752478][ T4996] softirqs last disabled at (328313): [] __irq_exit_rcu+0x240/0x440 [ 86.753996][ T4996] ---[ end trace 339f327291b9abba ]--- [ 86.785935][ T5375] loop0: detected capacity change from 0 to 1024 [ 86.845570][ T5375] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 86.853561][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 86.855945][ T4996] ------------[ cut here ]------------ [ 86.856723][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 86.858102][ T4996] Modules linked in: [ 86.858643][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 86.859913][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.861389][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.862643][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.863607][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 86.864514][ T4996] sp : ffff80001f886f80 [ 86.865210][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000ecef0820 [ 86.866558][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2784868 [ 86.867848][ T4996] x23: ffff0000e2784890 x22: ffff0000ecef0820 x21: 00000000bd8f6515 [ 86.869209][ T4996] x20: ffff0000ea48a068 x19: ffff0000ea48a000 x18: 1fffe00034216796 [ 86.870495][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 86.871860][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 86.873197][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 86.874501][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 86.875830][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 86.877184][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 86.878458][ T4996] Call trace: [ 86.879011][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 86.879814][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 86.880633][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 86.881539][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 86.882447][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 86.883349][ T4996] ext4_dirty_inode+0xd0/0x100 [ 86.884136][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 86.884932][ T4996] iput+0x1bc/0x77c [ 86.885537][ T4996] dentry_unlink_inode+0x360/0x438 [ 86.886402][ T4996] __dentry_kill+0x320/0x598 [ 86.887153][ T4996] shrink_dentry_list+0x410/0x7c8 [ 86.887988][ T4996] shrink_dcache_parent+0xb0/0x354 [ 86.888790][ T4996] do_one_tree+0x2c/0xf0 [ 86.889469][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 86.890357][ T4996] generic_shutdown_super+0x68/0x2f0 [ 86.891266][ T4996] kill_block_super+0x70/0xdc [ 86.891955][ T4996] deactivate_locked_super+0xb8/0x13c [ 86.892803][ T4996] deactivate_super+0xf8/0x118 [ 86.893632][ T4996] cleanup_mnt+0x3a4/0x458 [ 86.894341][ T4996] __cleanup_mnt+0x20/0x30 [ 86.895032][ T4996] task_work_run+0x12c/0x1e0 [ 86.895765][ T4996] do_notify_resume+0x24b4/0x3128 [ 86.896561][ T4996] el0_svc+0xf0/0x1e0 [ 86.897237][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 86.898061][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 86.898755][ T4996] irq event stamp: 331930 [ 86.899480][ T4996] hardirqs last enabled at (331929): [] finish_lock_switch+0xb0/0x1c4 [ 86.901127][ T4996] hardirqs last disabled at (331930): [] el1_dbg+0x24/0x80 [ 86.902528][ T4996] softirqs last enabled at (331924): [] handle_softirqs+0xa4c/0xbf0 [ 86.904080][ T4996] softirqs last disabled at (331909): [] __irq_exit_rcu+0x240/0x440 [ 86.905583][ T4996] ---[ end trace 339f327291b9abbb ]--- [ 86.974784][ T5379] loop0: detected capacity change from 0 to 1024 [ 87.029281][ T5379] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 87.037173][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 87.039055][ T4996] ------------[ cut here ]------------ [ 87.039851][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 87.041223][ T4996] Modules linked in: [ 87.041813][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 87.043168][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.044843][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.046194][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.047150][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.048102][ T4996] sp : ffff80001f886f80 [ 87.048680][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d8ef4020 [ 87.049878][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26c8c98 [ 87.051161][ T4996] x23: ffff0000e26c8cc0 x22: ffff0000d8ef4020 x21: 00000000bd8f6515 [ 87.052393][ T4996] x20: ffff0000d6a88068 x19: ffff0000d6a88000 x18: 0000000000000001 [ 87.053586][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 87.054891][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.056298][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 87.057601][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.058910][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 87.060225][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 87.061516][ T4996] Call trace: [ 87.062040][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 87.062904][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 87.063718][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 87.064680][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 87.065576][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 87.066475][ T4996] ext4_dirty_inode+0xd0/0x100 [ 87.067253][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 87.068005][ T4996] iput+0x1bc/0x77c [ 87.068628][ T4996] dentry_unlink_inode+0x360/0x438 [ 87.069391][ T4996] __dentry_kill+0x320/0x598 [ 87.070192][ T4996] shrink_dentry_list+0x410/0x7c8 [ 87.070951][ T4996] shrink_dcache_parent+0xb0/0x354 [ 87.071768][ T4996] do_one_tree+0x2c/0xf0 [ 87.072396][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 87.073282][ T4996] generic_shutdown_super+0x68/0x2f0 [ 87.074160][ T4996] kill_block_super+0x70/0xdc [ 87.074869][ T4996] deactivate_locked_super+0xb8/0x13c [ 87.075697][ T4996] deactivate_super+0xf8/0x118 [ 87.076418][ T4996] cleanup_mnt+0x3a4/0x458 [ 87.077098][ T4996] __cleanup_mnt+0x20/0x30 [ 87.077751][ T4996] task_work_run+0x12c/0x1e0 [ 87.078419][ T4996] do_notify_resume+0x24b4/0x3128 [ 87.079172][ T4996] el0_svc+0xf0/0x1e0 [ 87.079765][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 87.080499][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 87.081144][ T4996] irq event stamp: 335424 [ 87.081799][ T4996] hardirqs last enabled at (335423): [] __up_console_sem+0xb4/0x100 [ 87.083361][ T4996] hardirqs last disabled at (335424): [] el1_dbg+0x24/0x80 [ 87.084856][ T4996] softirqs last enabled at (335288): [] local_bh_enable+0x10/0x34 [ 87.086361][ T4996] softirqs last disabled at (335286): [] local_bh_disable+0x10/0x34 [ 87.087819][ T4996] ---[ end trace 339f327291b9abbc ]--- [ 87.144694][ T5383] loop0: detected capacity change from 0 to 1024 [ 87.220926][ T5383] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 87.228258][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 87.230302][ T4996] ------------[ cut here ]------------ [ 87.231085][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 87.232450][ T4996] Modules linked in: [ 87.233031][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 87.234424][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.235910][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.237067][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.237896][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.238720][ T4996] sp : ffff80001f886f80 [ 87.239324][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d91f4020 [ 87.240542][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2785c58 [ 87.241722][ T4996] x23: ffff0000e2785c80 x22: ffff0000d91f4020 x21: 00000000bd8f6515 [ 87.242839][ T4996] x20: ffff0000ec6d2068 x19: ffff0000ec6d2000 x18: 0000000000000002 [ 87.243961][ T4996] x17: 0000000040000000 x16: ffff8000111c81d4 x15: 0000000000000002 [ 87.245070][ T4996] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 87.246339][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 87.247529][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 87.248643][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008504710 [ 87.249875][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 87.251021][ T4996] Call trace: [ 87.251503][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 87.252383][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 87.253164][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 87.254014][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 87.254920][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 87.255726][ T4996] ext4_dirty_inode+0xd0/0x100 [ 87.256422][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 87.257239][ T4996] iput+0x1bc/0x77c [ 87.257778][ T4996] dentry_unlink_inode+0x360/0x438 [ 87.258537][ T4996] __dentry_kill+0x320/0x598 [ 87.259227][ T4996] shrink_dentry_list+0x410/0x7c8 [ 87.259998][ T4996] shrink_dcache_parent+0xb0/0x354 [ 87.260800][ T4996] do_one_tree+0x2c/0xf0 [ 87.261423][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 87.262248][ T4996] generic_shutdown_super+0x68/0x2f0 [ 87.263033][ T4996] kill_block_super+0x70/0xdc [ 87.263841][ T4996] deactivate_locked_super+0xb8/0x13c [ 87.264660][ T4996] deactivate_super+0xf8/0x118 [ 87.265406][ T4996] cleanup_mnt+0x3a4/0x458 [ 87.266097][ T4996] __cleanup_mnt+0x20/0x30 [ 87.266853][ T4996] task_work_run+0x12c/0x1e0 [ 87.267606][ T4996] do_notify_resume+0x24b4/0x3128 [ 87.268323][ T4996] el0_svc+0xf0/0x1e0 [ 87.269031][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 87.269814][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 87.270552][ T4996] irq event stamp: 339244 [ 87.271182][ T4996] hardirqs last enabled at (339243): [] finish_lock_switch+0xb0/0x1c4 [ 87.272707][ T4996] hardirqs last disabled at (339244): [] el1_dbg+0x24/0x80 [ 87.274072][ T4996] softirqs last enabled at (339046): [] local_bh_enable+0x10/0x34 [ 87.275541][ T4996] softirqs last disabled at (339044): [] local_bh_disable+0x10/0x34 [ 87.277019][ T4996] ---[ end trace 339f327291b9abbd ]--- [ 87.316515][ T5387] loop0: detected capacity change from 0 to 1024 [ 87.386618][ T5387] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 87.396912][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 87.398823][ T4996] ------------[ cut here ]------------ [ 87.399634][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 87.400999][ T4996] Modules linked in: [ 87.401611][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 87.403031][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.404627][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.405840][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.406751][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.407585][ T4996] sp : ffff80001f886f80 [ 87.408160][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d8cca020 [ 87.409283][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26ce650 [ 87.410635][ T4996] x23: ffff0000e26ce678 x22: ffff0000d8cca020 x21: 00000000bd8f6515 [ 87.411919][ T4996] x20: ffff0000d7ee0068 x19: ffff0000d7ee0000 x18: 0000000000000001 [ 87.413143][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 87.414423][ T4996] x14: 0000000000ff0100 x13: 2a084cec93715516 x12: 0000000000ff0100 [ 87.415668][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 87.416843][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 87.418146][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 87.419473][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 87.420738][ T4996] Call trace: [ 87.421240][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 87.422086][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 87.422848][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 87.423637][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 87.424488][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 87.425310][ T4996] ext4_dirty_inode+0xd0/0x100 [ 87.425978][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 87.426874][ T4996] iput+0x1bc/0x77c [ 87.427520][ T4996] dentry_unlink_inode+0x360/0x438 [ 87.428360][ T4996] __dentry_kill+0x320/0x598 [ 87.429088][ T4996] shrink_dentry_list+0x410/0x7c8 [ 87.429918][ T4996] shrink_dcache_parent+0xb0/0x354 [ 87.430682][ T4996] do_one_tree+0x2c/0xf0 [ 87.431375][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 87.432244][ T4996] generic_shutdown_super+0x68/0x2f0 [ 87.433018][ T4996] kill_block_super+0x70/0xdc [ 87.433708][ T4996] deactivate_locked_super+0xb8/0x13c [ 87.434570][ T4996] deactivate_super+0xf8/0x118 [ 87.435309][ T4996] cleanup_mnt+0x3a4/0x458 [ 87.435965][ T4996] __cleanup_mnt+0x20/0x30 [ 87.436720][ T4996] task_work_run+0x12c/0x1e0 [ 87.437535][ T4996] do_notify_resume+0x24b4/0x3128 [ 87.438333][ T4996] el0_svc+0xf0/0x1e0 [ 87.438941][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 87.439790][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 87.440514][ T4996] irq event stamp: 343678 [ 87.441167][ T4996] hardirqs last enabled at (343677): [] __schedule+0xefc/0x1bf8 [ 87.442584][ T4996] hardirqs last disabled at (343678): [] el1_dbg+0x24/0x80 [ 87.443953][ T4996] softirqs last enabled at (343476): [] local_bh_enable+0x10/0x34 [ 87.445491][ T4996] softirqs last disabled at (343474): [] local_bh_disable+0x10/0x34 [ 87.446893][ T4996] ---[ end trace 339f327291b9abbe ]--- [ 87.506030][ T5391] loop0: detected capacity change from 0 to 1024 [ 87.515596][ T5391] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 87.523390][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 87.525864][ T4996] ------------[ cut here ]------------ [ 87.526680][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 87.528248][ T4996] Modules linked in: [ 87.528886][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 87.530294][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.531835][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.533118][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.534070][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.535034][ T4996] sp : ffff80001f886f80 [ 87.535737][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000cd8ac820 [ 87.537026][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2789690 [ 87.538276][ T4996] x23: ffff0000e27896b8 x22: ffff0000cd8ac820 x21: 00000000bd8f6515 [ 87.539589][ T4996] x20: ffff0000d6d44068 x19: ffff0000d6d44000 x18: 0000000000000002 [ 87.540832][ T4996] x17: 0000000040000000 x16: ffff8000111c81d4 x15: 0000000000000002 [ 87.542051][ T4996] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 87.543402][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 87.544713][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 87.545983][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 87.547312][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 87.548615][ T4996] Call trace: [ 87.549124][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 87.549988][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 87.550863][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 87.551816][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 87.552671][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 87.553539][ T4996] ext4_dirty_inode+0xd0/0x100 [ 87.554293][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 87.555093][ T4996] iput+0x1bc/0x77c [ 87.555668][ T4996] dentry_unlink_inode+0x360/0x438 [ 87.556532][ T4996] __dentry_kill+0x320/0x598 [ 87.557279][ T4996] shrink_dentry_list+0x410/0x7c8 [ 87.558022][ T4996] shrink_dcache_parent+0xb0/0x354 [ 87.558846][ T4996] do_one_tree+0x2c/0xf0 [ 87.559541][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 87.560415][ T4996] generic_shutdown_super+0x68/0x2f0 [ 87.561278][ T4996] kill_block_super+0x70/0xdc [ 87.562038][ T4996] deactivate_locked_super+0xb8/0x13c [ 87.562882][ T4996] deactivate_super+0xf8/0x118 [ 87.563595][ T4996] cleanup_mnt+0x3a4/0x458 [ 87.564250][ T4996] __cleanup_mnt+0x20/0x30 [ 87.564951][ T4996] task_work_run+0x12c/0x1e0 [ 87.565694][ T4996] do_notify_resume+0x24b4/0x3128 [ 87.566505][ T4996] el0_svc+0xf0/0x1e0 [ 87.567163][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 87.567953][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 87.568723][ T4996] irq event stamp: 347652 [ 87.569431][ T4996] hardirqs last enabled at (347651): [] finish_lock_switch+0xb0/0x1c4 [ 87.571123][ T4996] hardirqs last disabled at (347652): [] el1_dbg+0x24/0x80 [ 87.572633][ T4996] softirqs last enabled at (347646): [] handle_softirqs+0xa4c/0xbf0 [ 87.574152][ T4996] softirqs last disabled at (347583): [] __irq_exit_rcu+0x240/0x440 [ 87.575705][ T4996] ---[ end trace 339f327291b9abbf ]--- [ 87.655471][ T5395] loop0: detected capacity change from 0 to 1024 [ 87.745497][ T5395] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 87.756957][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 87.758805][ T4996] ------------[ cut here ]------------ [ 87.759586][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 87.760961][ T4996] Modules linked in: [ 87.761522][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 87.762757][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.764350][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.765553][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.766479][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.767350][ T4996] sp : ffff80001f886f80 [ 87.767989][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000cedd6020 [ 87.769376][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e26702a0 [ 87.770647][ T4996] x23: ffff0000e26702c8 x22: ffff0000cedd6020 x21: 00000000bd8f6515 [ 87.771983][ T4996] x20: ffff0000d81cc068 x19: ffff0000d81cc000 x18: 0000000000000001 [ 87.773344][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 87.774710][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.775966][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 87.777274][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.778596][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 87.779893][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 87.781178][ T4996] Call trace: [ 87.781730][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 87.782655][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 87.783527][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 87.784498][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 87.785421][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 87.786237][ T4996] ext4_dirty_inode+0xd0/0x100 [ 87.787058][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 87.787861][ T4996] iput+0x1bc/0x77c [ 87.788498][ T4996] dentry_unlink_inode+0x360/0x438 [ 87.789325][ T4996] __dentry_kill+0x320/0x598 [ 87.790041][ T4996] shrink_dentry_list+0x410/0x7c8 [ 87.790889][ T4996] shrink_dcache_parent+0xb0/0x354 [ 87.791634][ T4996] do_one_tree+0x2c/0xf0 [ 87.792322][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 87.793163][ T4996] generic_shutdown_super+0x68/0x2f0 [ 87.794047][ T4996] kill_block_super+0x70/0xdc [ 87.794804][ T4996] deactivate_locked_super+0xb8/0x13c [ 87.795724][ T4996] deactivate_super+0xf8/0x118 [ 87.796534][ T4996] cleanup_mnt+0x3a4/0x458 [ 87.797273][ T4996] __cleanup_mnt+0x20/0x30 [ 87.798026][ T4996] task_work_run+0x12c/0x1e0 [ 87.798816][ T4996] do_notify_resume+0x24b4/0x3128 [ 87.799589][ T4996] el0_svc+0xf0/0x1e0 [ 87.800242][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 87.801072][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 87.801867][ T4996] irq event stamp: 351660 [ 87.802582][ T4996] hardirqs last enabled at (351659): [] __up_console_sem+0xb4/0x100 [ 87.804236][ T4996] hardirqs last disabled at (351660): [] el1_dbg+0x24/0x80 [ 87.805637][ T4996] softirqs last enabled at (351508): [] local_bh_enable+0x10/0x34 [ 87.807196][ T4996] softirqs last disabled at (351506): [] local_bh_disable+0x10/0x34 [ 87.808848][ T4996] ---[ end trace 339f327291b9abc0 ]--- [ 87.854282][ T5399] loop0: detected capacity change from 0 to 1024 [ 87.975715][ T5399] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 87.982819][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 87.984955][ T4996] ------------[ cut here ]------------ [ 87.985735][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 87.987285][ T4996] Modules linked in: [ 87.987899][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 87.989286][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.990702][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.991948][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.992803][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 87.993649][ T4996] sp : ffff80001f886f80 [ 87.994344][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000cd829020 [ 87.995602][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2675c58 [ 87.996838][ T4996] x23: ffff0000e2675c80 x22: ffff0000cd829020 x21: 00000000bd8f6515 [ 87.998012][ T4996] x20: ffff0000ecea8068 x19: ffff0000ecea8000 x18: 0000000000000002 [ 87.999161][ T4996] x17: 0000000040000000 x16: ffff8000111c81d4 x15: 0000000000000002 [ 88.000307][ T4996] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 88.001559][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 88.002702][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 88.003916][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 88.005043][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 88.006458][ T4996] Call trace: [ 88.006981][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 88.007909][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 88.008709][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 88.009672][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 88.010534][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 88.011332][ T4996] ext4_dirty_inode+0xd0/0x100 [ 88.012020][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 88.012769][ T4996] iput+0x1bc/0x77c [ 88.013333][ T4996] dentry_unlink_inode+0x360/0x438 [ 88.014108][ T4996] __dentry_kill+0x320/0x598 [ 88.014821][ T4996] shrink_dentry_list+0x410/0x7c8 [ 88.015596][ T4996] shrink_dcache_parent+0xb0/0x354 [ 88.016327][ T4996] do_one_tree+0x2c/0xf0 [ 88.016973][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 88.017807][ T4996] generic_shutdown_super+0x68/0x2f0 [ 88.018624][ T4996] kill_block_super+0x70/0xdc [ 88.019275][ T4996] deactivate_locked_super+0xb8/0x13c [ 88.020079][ T4996] deactivate_super+0xf8/0x118 [ 88.020749][ T4996] cleanup_mnt+0x3a4/0x458 [ 88.021385][ T4996] __cleanup_mnt+0x20/0x30 [ 88.022033][ T4996] task_work_run+0x12c/0x1e0 [ 88.022726][ T4996] do_notify_resume+0x24b4/0x3128 [ 88.023556][ T4996] el0_svc+0xf0/0x1e0 [ 88.024232][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 88.025051][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 88.025802][ T4996] irq event stamp: 355432 [ 88.026525][ T4996] hardirqs last enabled at (355431): [] finish_lock_switch+0xb0/0x1c4 [ 88.028018][ T4996] hardirqs last disabled at (355432): [] el1_dbg+0x24/0x80 [ 88.029326][ T4996] softirqs last enabled at (355426): [] handle_softirqs+0xa4c/0xbf0 [ 88.030755][ T4996] softirqs last disabled at (355405): [] __irq_exit_rcu+0x240/0x440 [ 88.032150][ T4996] ---[ end trace 339f327291b9abc1 ]--- 1970/01/01 00:01:28 executed programs: 57 [ 88.116619][ T5403] loop0: detected capacity change from 0 to 1024 [ 88.125904][ T5403] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 88.132794][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 88.134981][ T4996] ------------[ cut here ]------------ [ 88.135799][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 88.137257][ T4996] Modules linked in: [ 88.137850][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 88.139160][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 88.140651][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.141727][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.142554][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.143324][ T4996] sp : ffff80001f886f80 [ 88.143977][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d0f65820 [ 88.145305][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e261aa80 [ 88.146606][ T4996] x23: ffff0000e261aaa8 x22: ffff0000d0f65820 x21: 00000000bd8f6515 [ 88.147771][ T4996] x20: ffff0000c19b6068 x19: ffff0000c19b6000 x18: 0000000000000002 [ 88.148891][ T4996] x17: 0000000040000000 x16: ffff8000111c81d4 x15: 0000000000000002 [ 88.150077][ T4996] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 88.151317][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 88.152459][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 88.153663][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 88.154869][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 88.155987][ T4996] Call trace: [ 88.156517][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 88.157289][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 88.158126][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 88.159050][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 88.159941][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 88.160772][ T4996] ext4_dirty_inode+0xd0/0x100 [ 88.161463][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 88.162188][ T4996] iput+0x1bc/0x77c [ 88.162796][ T4996] dentry_unlink_inode+0x360/0x438 [ 88.163523][ T4996] __dentry_kill+0x320/0x598 [ 88.164168][ T4996] shrink_dentry_list+0x410/0x7c8 [ 88.164953][ T4996] shrink_dcache_parent+0xb0/0x354 [ 88.165782][ T4996] do_one_tree+0x2c/0xf0 [ 88.166465][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 88.167356][ T4996] generic_shutdown_super+0x68/0x2f0 [ 88.168211][ T4996] kill_block_super+0x70/0xdc [ 88.168864][ T4996] deactivate_locked_super+0xb8/0x13c [ 88.169637][ T4996] deactivate_super+0xf8/0x118 [ 88.170315][ T4996] cleanup_mnt+0x3a4/0x458 [ 88.171033][ T4996] __cleanup_mnt+0x20/0x30 [ 88.171716][ T4996] task_work_run+0x12c/0x1e0 [ 88.172351][ T4996] do_notify_resume+0x24b4/0x3128 [ 88.173100][ T4996] el0_svc+0xf0/0x1e0 [ 88.173677][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 88.174434][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 88.175075][ T4996] irq event stamp: 359120 [ 88.175775][ T4996] hardirqs last enabled at (359119): [] finish_lock_switch+0xb0/0x1c4 [ 88.177365][ T4996] hardirqs last disabled at (359120): [] el1_dbg+0x24/0x80 [ 88.178787][ T4996] softirqs last enabled at (359114): [] handle_softirqs+0xa4c/0xbf0 [ 88.180339][ T4996] softirqs last disabled at (359093): [] __irq_exit_rcu+0x240/0x440 [ 88.181742][ T4996] ---[ end trace 339f327291b9abc2 ]--- [ 88.247661][ T5407] loop0: detected capacity change from 0 to 1024 [ 88.295152][ T5407] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 88.302151][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 88.304361][ T4996] ------------[ cut here ]------------ [ 88.305190][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 88.306655][ T4996] Modules linked in: [ 88.307222][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 88.308685][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 88.310351][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.311614][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.312564][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.313451][ T4996] sp : ffff80001f886f80 [ 88.314083][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c1204820 [ 88.315391][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e261dc58 [ 88.316715][ T4996] x23: ffff0000e261dc80 x22: ffff0000c1204820 x21: 00000000bd8f6515 [ 88.317982][ T4996] x20: ffff0000d9e28068 x19: ffff0000d9e28000 x18: 0000000000000002 [ 88.319295][ T4996] x17: 0000000040000000 x16: ffff8000111c81d4 x15: 0000000000000002 [ 88.320600][ T4996] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 88.321910][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 88.323103][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 88.324334][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 88.325695][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 88.326935][ T4996] Call trace: [ 88.327464][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 88.328377][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 88.329220][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 88.330202][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 88.331120][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 88.331982][ T4996] ext4_dirty_inode+0xd0/0x100 [ 88.332678][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 88.333515][ T4996] iput+0x1bc/0x77c [ 88.334117][ T4996] dentry_unlink_inode+0x360/0x438 [ 88.334952][ T4996] __dentry_kill+0x320/0x598 [ 88.335714][ T4996] shrink_dentry_list+0x410/0x7c8 [ 88.336483][ T4996] shrink_dcache_parent+0xb0/0x354 [ 88.337301][ T4996] do_one_tree+0x2c/0xf0 [ 88.337986][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 88.338908][ T4996] generic_shutdown_super+0x68/0x2f0 [ 88.339807][ T4996] kill_block_super+0x70/0xdc [ 88.340520][ T4996] deactivate_locked_super+0xb8/0x13c [ 88.341318][ T4996] deactivate_super+0xf8/0x118 [ 88.342096][ T4996] cleanup_mnt+0x3a4/0x458 [ 88.342794][ T4996] __cleanup_mnt+0x20/0x30 [ 88.343455][ T4996] task_work_run+0x12c/0x1e0 [ 88.344189][ T4996] do_notify_resume+0x24b4/0x3128 [ 88.344962][ T4996] el0_svc+0xf0/0x1e0 [ 88.345549][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 88.346299][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 88.346997][ T4996] irq event stamp: 362748 [ 88.347622][ T4996] hardirqs last enabled at (362747): [] finish_lock_switch+0xb0/0x1c4 [ 88.349256][ T4996] hardirqs last disabled at (362748): [] el1_dbg+0x24/0x80 [ 88.350673][ T4996] softirqs last enabled at (362742): [] handle_softirqs+0xa4c/0xbf0 [ 88.352120][ T4996] softirqs last disabled at (362717): [] __irq_exit_rcu+0x240/0x440 [ 88.353597][ T4996] ---[ end trace 339f327291b9abc3 ]--- [ 88.425839][ T5411] loop0: detected capacity change from 0 to 1024 [ 88.475746][ T5411] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 88.483591][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 88.485499][ T4996] ------------[ cut here ]------------ [ 88.486335][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 88.487821][ T4996] Modules linked in: [ 88.488396][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 88.489821][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 88.491349][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.492535][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.493464][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.494385][ T4996] sp : ffff80001f886f80 [ 88.495056][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d67c0020 [ 88.496294][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e278c868 [ 88.497625][ T4996] x23: ffff0000e278c890 x22: ffff0000d67c0020 x21: 00000000bd8f6515 [ 88.498883][ T4996] x20: ffff0000d8d3e068 x19: ffff0000d8d3e000 x18: 1fffe00034216796 [ 88.500195][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 88.501495][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 88.502770][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 88.504008][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 88.505315][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 88.506629][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 88.507903][ T4996] Call trace: [ 88.508439][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 88.509335][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 88.510183][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 88.511080][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 88.511986][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 88.512874][ T4996] ext4_dirty_inode+0xd0/0x100 [ 88.513607][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 88.514413][ T4996] iput+0x1bc/0x77c [ 88.515020][ T4996] dentry_unlink_inode+0x360/0x438 [ 88.515851][ T4996] __dentry_kill+0x320/0x598 [ 88.516648][ T4996] shrink_dentry_list+0x410/0x7c8 [ 88.517400][ T4996] shrink_dcache_parent+0xb0/0x354 [ 88.518198][ T4996] do_one_tree+0x2c/0xf0 [ 88.518898][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 88.519795][ T4996] generic_shutdown_super+0x68/0x2f0 [ 88.520679][ T4996] kill_block_super+0x70/0xdc [ 88.521445][ T4996] deactivate_locked_super+0xb8/0x13c [ 88.522261][ T4996] deactivate_super+0xf8/0x118 [ 88.523059][ T4996] cleanup_mnt+0x3a4/0x458 [ 88.523806][ T4996] __cleanup_mnt+0x20/0x30 [ 88.524564][ T4996] task_work_run+0x12c/0x1e0 [ 88.525330][ T4996] do_notify_resume+0x24b4/0x3128 [ 88.526187][ T4996] el0_svc+0xf0/0x1e0 [ 88.526836][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 88.527640][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 88.528329][ T4996] irq event stamp: 366474 [ 88.529064][ T4996] hardirqs last enabled at (366473): [] finish_lock_switch+0xb0/0x1c4 [ 88.530665][ T4996] hardirqs last disabled at (366474): [] el1_dbg+0x24/0x80 [ 88.532197][ T4996] softirqs last enabled at (366468): [] handle_softirqs+0xa4c/0xbf0 [ 88.533819][ T4996] softirqs last disabled at (366457): [] __irq_exit_rcu+0x240/0x440 [ 88.535393][ T4996] ---[ end trace 339f327291b9abc4 ]--- [ 88.572626][ T5415] loop0: detected capacity change from 0 to 1024 [ 88.585556][ T5415] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 88.593820][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 88.595603][ T4996] ------------[ cut here ]------------ [ 88.596439][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 88.597936][ T4996] Modules linked in: [ 88.598536][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 88.599820][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 88.601318][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.602468][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.603394][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.604309][ T4996] sp : ffff80001f886f80 [ 88.604945][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000dad47020 [ 88.606190][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2788c98 [ 88.607598][ T4996] x23: ffff0000e2788cc0 x22: ffff0000dad47020 x21: 00000000bd8f6515 [ 88.608906][ T4996] x20: ffff0000da490068 x19: ffff0000da490000 x18: 0000000000000001 [ 88.610225][ T4996] x17: 0000000000000000 x16: ffff80000830215c x15: 00000000ffffffff [ 88.611508][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 88.612893][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 88.614103][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.615384][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000830226c [ 88.616554][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 88.617765][ T4996] Call trace: [ 88.618282][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 88.619046][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 88.619771][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 88.620643][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 88.621529][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 88.622356][ T4996] ext4_dirty_inode+0xd0/0x100 [ 88.623063][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 88.623775][ T4996] iput+0x1bc/0x77c [ 88.624284][ T4996] dentry_unlink_inode+0x360/0x438 [ 88.625036][ T4996] __dentry_kill+0x320/0x598 [ 88.625777][ T4996] shrink_dentry_list+0x410/0x7c8 [ 88.626539][ T4996] shrink_dcache_parent+0xb0/0x354 [ 88.627274][ T4996] do_one_tree+0x2c/0xf0 [ 88.627924][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 88.628758][ T4996] generic_shutdown_super+0x68/0x2f0 [ 88.629587][ T4996] kill_block_super+0x70/0xdc [ 88.630299][ T4996] deactivate_locked_super+0xb8/0x13c [ 88.631077][ T4996] deactivate_super+0xf8/0x118 [ 88.631889][ T4996] cleanup_mnt+0x3a4/0x458 [ 88.632548][ T4996] __cleanup_mnt+0x20/0x30 [ 88.633235][ T4996] task_work_run+0x12c/0x1e0 [ 88.633938][ T4996] do_notify_resume+0x24b4/0x3128 [ 88.634681][ T4996] el0_svc+0xf0/0x1e0 [ 88.635309][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 88.636072][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 88.636812][ T4996] irq event stamp: 369992 [ 88.637548][ T4996] hardirqs last enabled at (369991): [] __up_console_sem+0xb4/0x100 [ 88.638914][ T4996] hardirqs last disabled at (369992): [] el1_dbg+0x24/0x80 [ 88.640149][ T4996] softirqs last enabled at (369986): [] handle_softirqs+0xa4c/0xbf0 [ 88.641695][ T4996] softirqs last disabled at (369979): [] __irq_exit_rcu+0x240/0x440 [ 88.643068][ T4996] ---[ end trace 339f327291b9abc5 ]--- [ 88.705744][ T5419] loop0: detected capacity change from 0 to 1024 [ 88.716037][ T5419] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 88.723212][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 88.725654][ T4996] ------------[ cut here ]------------ [ 88.726449][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 88.727917][ T4996] Modules linked in: [ 88.728524][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 88.729880][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 88.731417][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.732564][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.733384][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.734154][ T4996] sp : ffff80001f886f80 [ 88.734764][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000c1b70020 [ 88.735869][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e2779690 [ 88.736974][ T4996] x23: ffff0000e27796b8 x22: ffff0000c1b70020 x21: 00000000bd8f6515 [ 88.738106][ T4996] x20: ffff0000d6b64068 x19: ffff0000d6b64000 x18: 1fffe0003421a996 [ 88.739205][ T4996] x17: 1fffe0003421a996 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 88.740361][ T4996] x14: ffff0001a10d4cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 88.741519][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 88.742657][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 88.743758][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 88.744958][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 88.746168][ T4996] Call trace: [ 88.746680][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 88.747487][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 88.748313][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 88.749226][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 88.750115][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 88.750964][ T4996] ext4_dirty_inode+0xd0/0x100 [ 88.751606][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 88.752363][ T4996] iput+0x1bc/0x77c [ 88.752884][ T4996] dentry_unlink_inode+0x360/0x438 [ 88.753630][ T4996] __dentry_kill+0x320/0x598 [ 88.754309][ T4996] shrink_dentry_list+0x410/0x7c8 [ 88.755119][ T4996] shrink_dcache_parent+0xb0/0x354 [ 88.755948][ T4996] do_one_tree+0x2c/0xf0 [ 88.756659][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 88.757512][ T4996] generic_shutdown_super+0x68/0x2f0 [ 88.758370][ T4996] kill_block_super+0x70/0xdc [ 88.759114][ T4996] deactivate_locked_super+0xb8/0x13c [ 88.759885][ T4996] deactivate_super+0xf8/0x118 [ 88.760711][ T4996] cleanup_mnt+0x3a4/0x458 [ 88.761373][ T4996] __cleanup_mnt+0x20/0x30 [ 88.761990][ T4996] task_work_run+0x12c/0x1e0 [ 88.762717][ T4996] do_notify_resume+0x24b4/0x3128 [ 88.763552][ T4996] el0_svc+0xf0/0x1e0 [ 88.764164][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 88.764949][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 88.765612][ T4996] irq event stamp: 374138 [ 88.766272][ T4996] hardirqs last enabled at (374137): [] finish_lock_switch+0xb0/0x1c4 [ 88.767745][ T4996] hardirqs last disabled at (374138): [] el1_dbg+0x24/0x80 [ 88.769051][ T4996] softirqs last enabled at (374132): [] handle_softirqs+0xa4c/0xbf0 [ 88.770434][ T4996] softirqs last disabled at (374121): [] __irq_exit_rcu+0x240/0x440 [ 88.771839][ T4996] ---[ end trace 339f327291b9abc6 ]--- [ 88.825643][ T5423] loop0: detected capacity change from 0 to 1024 [ 88.885664][ T5423] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 88.896993][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 88.898809][ T4996] ------------[ cut here ]------------ [ 88.899622][ T4996] WARNING: CPU: 1 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 88.901065][ T4996] Modules linked in: [ 88.901672][ T4996] CPU: 1 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 88.903071][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 88.904558][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.905816][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.906644][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 88.907434][ T4996] sp : ffff80001f886f80 [ 88.907988][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000da2ed820 [ 88.909165][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e277f048 [ 88.910280][ T4996] x23: ffff0000e277f070 x22: ffff0000da2ed820 x21: 00000000bd8f6515 [ 88.911428][ T4996] x20: ffff0000ecbee068 x19: ffff0000ecbee000 x18: 0000000000000001 [ 88.912525][ T4996] x17: 0000000000000000 x16: ffff8000111c81d4 x15: 00000000ffffffff [ 88.913680][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 88.914840][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 88.916005][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.917189][ T4996] x5 : ffff80001f886738 x4 : ffff80001425f420 x3 : ffff80000a72810c [ 88.918299][ T4996] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 88.919449][ T4996] Call trace: [ 88.919918][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 88.920704][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 88.921492][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 88.922403][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 88.923272][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 88.924116][ T4996] ext4_dirty_inode+0xd0/0x100 [ 88.924822][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 88.925643][ T4996] iput+0x1bc/0x77c [ 88.926217][ T4996] dentry_unlink_inode+0x360/0x438 [ 88.927012][ T4996] __dentry_kill+0x320/0x598 [ 88.927680][ T4996] shrink_dentry_list+0x410/0x7c8 [ 88.928448][ T4996] shrink_dcache_parent+0xb0/0x354 [ 88.929234][ T4996] do_one_tree+0x2c/0xf0 [ 88.929899][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 88.930702][ T4996] generic_shutdown_super+0x68/0x2f0 [ 88.931523][ T4996] kill_block_super+0x70/0xdc [ 88.932257][ T4996] deactivate_locked_super+0xb8/0x13c [ 88.933047][ T4996] deactivate_super+0xf8/0x118 [ 88.933797][ T4996] cleanup_mnt+0x3a4/0x458 [ 88.934475][ T4996] __cleanup_mnt+0x20/0x30 [ 88.935155][ T4996] task_work_run+0x12c/0x1e0 [ 88.935891][ T4996] do_notify_resume+0x24b4/0x3128 [ 88.936672][ T4996] el0_svc+0xf0/0x1e0 [ 88.937314][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 88.938110][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 88.938826][ T4996] irq event stamp: 377976 [ 88.939465][ T4996] hardirqs last enabled at (377975): [] __up_console_sem+0xb4/0x100 [ 88.940963][ T4996] hardirqs last disabled at (377976): [] el1_dbg+0x24/0x80 [ 88.942414][ T4996] softirqs last enabled at (377802): [] local_bh_enable+0x10/0x34 [ 88.943842][ T4996] softirqs last disabled at (377800): [] local_bh_disable+0x10/0x34 [ 88.945268][ T4996] ---[ end trace 339f327291b9abc7 ]--- [ 88.994513][ T5427] loop0: detected capacity change from 0 to 1024 [ 89.045573][ T5427] EXT4-fs (loop0): mounted filesystem without journal. Opts: user_xattr,nombcache,dioread_lock,norecovery,debug_want_extra_isize=0x000000000000007e,lazytime,init_itable=0x0000000000000005,usrquota,errors=continue,,errors=continue. Quota mode: writeback. [ 89.053038][ T4996] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting [ 89.055608][ T4996] ------------[ cut here ]------------ [ 89.056429][ T4996] WARNING: CPU: 0 PID: 4996 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 [ 89.057786][ T4996] Modules linked in: [ 89.058382][ T4996] CPU: 0 PID: 4996 Comm: syz-executor Tainted: G W syzkaller #0 [ 89.059668][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 89.061096][ T4996] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 89.062309][ T4996] pc : ext4_xattr_set_entry+0x1664/0x2d98 [ 89.063159][ T4996] lr : ext4_xattr_set_entry+0x1664/0x2d98 [ 89.064122][ T4996] sp : ffff80001f886f80 [ 89.064833][ T4996] x29: ffff80001f8871c0 x28: ffff80001f8872e0 x27: ffff0000d921c020 [ 89.066146][ T4996] x26: dfff800000000000 x25: 1ffff00003f10e99 x24: ffff0000e277c868 [ 89.067414][ T4996] x23: ffff0000e277c890 x22: ffff0000d921c020 x21: 00000000bd8f6515 [ 89.068659][ T4996] x20: ffff0000cfdf6068 x19: ffff0000cfdf6000 x18: 1fffe00034216796 [ 89.069928][ T4996] x17: 1fffe00034216796 x16: ffff8000111c81d4 x15: ffff80001421ed80 [ 89.071289][ T4996] x14: ffff0001a10b3cc0 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 89.072516][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : ef81ec4c6a1fe200 [ 89.073813][ T4996] x8 : ef81ec4c6a1fe200 x7 : 0000000000000000 x6 : 0000000000000000 [ 89.075173][ T4996] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a72810c [ 89.076402][ T4996] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000066 [ 89.077684][ T4996] Call trace: [ 89.078245][ T4996] ext4_xattr_set_entry+0x1664/0x2d98 [ 89.079134][ T4996] ext4_xattr_block_set+0x528/0x26fc [ 89.080021][ T4996] ext4_expand_extra_isize_ea+0xd8c/0x1504 [ 89.080978][ T4996] __ext4_expand_extra_isize+0x298/0x358 [ 89.081883][ T4996] __ext4_mark_inode_dirty+0x434/0x7b0 [ 89.082794][ T4996] ext4_dirty_inode+0xd0/0x100 [ 89.083574][ T4996] __mark_inode_dirty+0x2b0/0x1070 [ 89.084431][ T4996] iput+0x1bc/0x77c [ 89.085059][ T4996] dentry_unlink_inode+0x360/0x438 [ 89.085953][ T4996] __dentry_kill+0x320/0x598 [ 89.086670][ T4996] shrink_dentry_list+0x410/0x7c8 [ 89.087491][ T4996] shrink_dcache_parent+0xb0/0x354 [ 89.088321][ T4996] do_one_tree+0x2c/0xf0 [ 89.089077][ T4996] shrink_dcache_for_umount+0x68/0x114 [ 89.089922][ T4996] generic_shutdown_super+0x68/0x2f0 [ 89.090800][ T4996] kill_block_super+0x70/0xdc [ 89.091572][ T4996] deactivate_locked_super+0xb8/0x13c [ 89.092516][ T4996] deactivate_super+0xf8/0x118 [ 89.093344][ T4996] cleanup_mnt+0x3a4/0x458 [ 89.094098][ T4996] __cleanup_mnt+0x20/0x30 [ 89.094864][ T4996] task_work_run+0x12c/0x1e0 [ 89.095634][ T4996] do_notify_resume+0x24b4/0x3128 [ 89.096425][ T4996] el0_svc+0xf0/0x1e0 [ 89.097127][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 89.097992][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 89.098753][ T4996] irq event stamp: 381550 [ 89.099491][ T4996] hardirqs last enabled at (381549): [] finish_lock_switch+0xb0/0x1c4 [ 89.101089][ T4996] hardirqs last disabled at (381550): [] el1_dbg+0x24/0x80 [ 89.102573][ T4996] softirqs last enabled at (381544): [] handle_softirqs+0xa4c/0xbf0 [ 89.104191][ T4996] softirqs last disabled at (381531): [] __irq_exit_rcu+0x240/0x440 [ 89.105752][ T4996] ---[ end trace 339f327291b9abc8 ]---