Warning: Permanently added '10.128.0.63' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "type"="gce" 1970/01/01 00:00:46 parsed 1 programs [ 46.886144][ T6738] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS 1970/01/01 00:00:46 executed programs: 0 [ 46.901344][ T6152] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 46.903081][ T6152] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 46.904557][ T6152] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 46.906201][ T6152] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 46.907777][ T6152] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 46.952898][ T6744] chnl_net:caif_netlink_parms(): no params data found [ 46.971823][ T6744] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.973127][ T6744] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.973248][ T6744] bridge_slave_0: entered allmulticast mode [ 46.973676][ T6744] bridge_slave_0: entered promiscuous mode [ 46.974768][ T6744] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.974813][ T6744] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.974853][ T6744] bridge_slave_1: entered allmulticast mode [ 46.975243][ T6744] bridge_slave_1: entered promiscuous mode [ 46.983819][ T6744] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.984759][ T6744] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.991256][ T6744] team0: Port device team_slave_0 added [ 46.991933][ T6744] team0: Port device team_slave_1 added [ 46.998137][ T6744] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.998156][ T6744] 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 1532 would solve the problem. [ 46.998177][ T6744] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.998670][ T6744] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.998676][ T6744] 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 1532 would solve the problem. [ 46.998689][ T6744] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.013929][ T6744] hsr_slave_0: entered promiscuous mode [ 47.014220][ T6744] hsr_slave_1: entered promiscuous mode [ 47.332647][ T6744] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.335297][ T6744] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.338599][ T6744] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.340971][ T6744] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.349009][ T6744] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.349044][ T6744] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.349117][ T6744] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.349144][ T6744] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.365878][ T6744] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.372281][ T247] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.373644][ T247] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.377777][ T6744] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.382613][ T247] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.382665][ T247] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.386699][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.386735][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.401209][ T6744] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.403054][ T6744] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.439384][ T6744] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.450978][ T6744] veth0_vlan: entered promiscuous mode [ 47.453587][ T6744] veth1_vlan: entered promiscuous mode [ 47.466000][ T6744] veth0_macvtap: entered promiscuous mode [ 47.468905][ T6744] veth1_macvtap: entered promiscuous mode [ 47.473471][ T6744] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.477435][ T6744] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.483452][ T247] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.483541][ T247] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.483567][ T247] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.483579][ T247] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.514635][ T6825] loop0: detected capacity change from 0 to 1024 [ 47.536993][ T6825] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 4 ** replaying previous printk message ** [ 47.544238][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 47.544351][ T6744] ------------[ cut here ]------------ [ 47.544355][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.549182][ T6744] Modules linked in: [ 47.549804][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 47.551211][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.552706][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.553930][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.554883][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.555933][ T6744] sp : ffff8000a56d7140 [ 47.556572][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c16ebc20 x27: 1fffe000182dd784 [ 47.557785][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 47.558983][ T6744] x23: ffff0000c16ebbf8 x22: 0000000000000000 x21: dfff800000000000 [ 47.560182][ T6744] x20: ffff0000d14cc068 x19: ffff0000d14cc000 x18: 00000000ffffffff [ 47.561400][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 47.562667][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 47.563881][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 47.565073][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 47.566323][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 47.567565][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.568823][ T6744] Call trace: [ 47.569339][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 47.570293][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 47.571102][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.571936][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.572759][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.573635][ T6744] ext4_dirty_inode+0xd4/0x104 [ 47.574319][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 47.575102][ T6744] iput+0x358/0xad4 [ 47.575638][ T6744] dentry_unlink_inode+0x384/0x45c [ 47.576368][ T6744] __dentry_kill+0x170/0x594 [ 47.577026][ T6744] shrink_kill+0xd4/0x2cc [ 47.577674][ T6744] shrink_dentry_list+0x31c/0x6cc [ 47.578403][ T6744] shrink_dcache_parent+0xac/0x27c [ 47.579165][ T6744] do_one_tree+0x2c/0xf0 [ 47.579827][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 47.580690][ T6744] generic_shutdown_super+0x68/0x2b8 [ 47.581442][ T6744] kill_block_super+0x44/0x90 [ 47.582165][ T6744] ext4_kill_sb+0x68/0xa4 [ 47.582802][ T6744] deactivate_locked_super+0xc4/0x12c [ 47.583578][ T6744] deactivate_super+0xe0/0x100 [ 47.584276][ T6744] cleanup_mnt+0x31c/0x3ac [ 47.584920][ T6744] __cleanup_mnt+0x20/0x30 [ 47.585678][ T6744] task_work_run+0x1dc/0x260 [ 47.586349][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 47.587157][ T6744] el0_svc+0x170/0x254 [ 47.587810][ T6744] el0t_64_sync_handler+0x84/0x12c [ 47.588540][ T6744] el0t_64_sync+0x198/0x19c [ 47.589212][ T6744] irq event stamp: 142424 [ 47.589895][ T6744] hardirqs last enabled at (142423): [] irqentry_exit+0xd8/0x108 [ 47.591248][ T6744] hardirqs last disabled at (142424): [] el1_brk64+0x20/0x54 [ 47.592590][ T6744] softirqs last enabled at (142236): [] local_bh_enable+0x10/0x34 [ 47.593984][ T6744] softirqs last disabled at (142234): [] local_bh_disable+0x10/0x34 [ 47.595357][ T6744] ---[ end trace 0000000000000000 ]--- [ 47.600862][ T6744] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2853: Unable to expand inode 14. Delete some EAs or run e2fsck. [ 47.605459][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.628971][ T6842] loop0: detected capacity change from 0 to 1024 [ 47.641128][ T6842] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.645093][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 47.647317][ T6744] ------------[ cut here ]------------ [ 47.647325][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.649751][ T6744] Modules linked in: [ 47.650387][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.651967][ T6744] Tainted: [W]=WARN [ 47.652482][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.653833][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.655001][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.655850][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.656766][ T6744] sp : ffff8000a56d7140 [ 47.657319][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c16ef580 x27: 1fffe000182ddeb0 [ 47.658465][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 47.659581][ T6744] x23: ffff0000c16ef558 x22: 0000000000000000 x21: dfff800000000000 [ 47.660722][ T6744] x20: ffff0000db4b0068 x19: ffff0000db4b0000 x18: 1fffe000337db690 [ 47.661831][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 47.662929][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 47.664061][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 47.665222][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 47.666601][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 47.667861][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.669139][ T6744] Call trace: [ 47.669640][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 47.670643][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 47.671510][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.672374][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.673188][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.674039][ T6744] ext4_dirty_inode+0xd4/0x104 [ 47.674734][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 47.675477][ T6744] iput+0x358/0xad4 [ 47.676053][ T6744] dentry_unlink_inode+0x384/0x45c [ 47.676809][ T6744] __dentry_kill+0x170/0x594 [ 47.677496][ T6744] shrink_kill+0xd4/0x2cc [ 47.678088][ T6744] shrink_dentry_list+0x31c/0x6cc [ 47.678849][ T6744] shrink_dcache_parent+0xac/0x27c [ 47.679561][ T6744] do_one_tree+0x2c/0xf0 [ 47.680155][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 47.680998][ T6744] generic_shutdown_super+0x68/0x2b8 [ 47.681771][ T6744] kill_block_super+0x44/0x90 [ 47.682411][ T6744] ext4_kill_sb+0x68/0xa4 [ 47.683013][ T6744] deactivate_locked_super+0xc4/0x12c [ 47.683763][ T6744] deactivate_super+0xe0/0x100 [ 47.684400][ T6744] cleanup_mnt+0x31c/0x3ac [ 47.684999][ T6744] __cleanup_mnt+0x20/0x30 [ 47.685624][ T6744] task_work_run+0x1dc/0x260 [ 47.686300][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 47.687128][ T6744] el0_svc+0x170/0x254 [ 47.687712][ T6744] el0t_64_sync_handler+0x84/0x12c [ 47.688441][ T6744] el0t_64_sync+0x198/0x19c [ 47.689093][ T6744] irq event stamp: 149054 [ 47.689708][ T6744] hardirqs last enabled at (149053): [] finish_lock_switch+0xb0/0x1c0 [ 47.691165][ T6744] hardirqs last disabled at (149054): [] el1_brk64+0x20/0x54 [ 47.692493][ T6744] softirqs last enabled at (148800): [] local_bh_enable+0x10/0x34 [ 47.693860][ T6744] softirqs last disabled at (148798): [] local_bh_disable+0x10/0x34 [ 47.695221][ T6744] ---[ end trace 0000000000000000 ]--- [ 47.699107][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.713435][ T6854] loop0: detected capacity change from 0 to 1024 [ 47.729660][ T6854] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.735698][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 47.735787][ T6744] ------------[ cut here ]------------ [ 47.735793][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.740128][ T6744] Modules linked in: [ 47.740792][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.742413][ T6744] Tainted: [W]=WARN [ 47.743009][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.744483][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.745559][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.746469][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.747383][ T6744] sp : ffff8000a56d7140 [ 47.747971][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40d15e0 x27: 1fffe0001c81a2bc [ 47.749076][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 47.750318][ T6744] x23: ffff0000e40d15b8 x22: 0000000000000000 x21: dfff800000000000 [ 47.751561][ T6744] x20: ffff0000db808068 x19: ffff0000db808000 x18: 1fffe000337db690 [ 47.752831][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 47.754081][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 47.755332][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 47.756596][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 47.757806][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 47.759020][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.760287][ T6744] Call trace: [ 47.760788][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 47.761733][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 47.762530][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.763476][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.764339][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.765120][ T6744] ext4_dirty_inode+0xd4/0x104 [ 47.765837][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 47.766572][ T6744] iput+0x358/0xad4 [ 47.767089][ T6744] dentry_unlink_inode+0x384/0x45c [ 47.767834][ T6744] __dentry_kill+0x170/0x594 [ 47.768498][ T6744] shrink_kill+0xd4/0x2cc [ 47.769101][ T6744] shrink_dentry_list+0x31c/0x6cc [ 47.769829][ T6744] shrink_dcache_parent+0xac/0x27c [ 47.770608][ T6744] do_one_tree+0x2c/0xf0 [ 47.771258][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 47.772065][ T6744] generic_shutdown_super+0x68/0x2b8 [ 47.772780][ T6744] kill_block_super+0x44/0x90 [ 47.773445][ T6744] ext4_kill_sb+0x68/0xa4 [ 47.774071][ T6744] deactivate_locked_super+0xc4/0x12c [ 47.774841][ T6744] deactivate_super+0xe0/0x100 [ 47.775503][ T6744] cleanup_mnt+0x31c/0x3ac [ 47.776177][ T6744] __cleanup_mnt+0x20/0x30 [ 47.776805][ T6744] task_work_run+0x1dc/0x260 [ 47.777515][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 47.778213][ T6744] el0_svc+0x170/0x254 [ 47.778793][ T6744] el0t_64_sync_handler+0x84/0x12c [ 47.779523][ T6744] el0t_64_sync+0x198/0x19c [ 47.780155][ T6744] irq event stamp: 156078 [ 47.780817][ T6744] hardirqs last enabled at (156077): [] irqentry_exit+0xd8/0x108 [ 47.782109][ T6744] hardirqs last disabled at (156078): [] el1_brk64+0x20/0x54 [ 47.783422][ T6744] softirqs last enabled at (155814): [] local_bh_enable+0x10/0x34 [ 47.784785][ T6744] softirqs last disabled at (155812): [] local_bh_disable+0x10/0x34 [ 47.786100][ T6744] ---[ end trace 0000000000000000 ]--- [ 47.790431][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.816345][ T6863] loop0: detected capacity change from 0 to 1024 [ 47.845969][ T6863] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 4 ** replaying previous printk message ** [ 47.854189][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 47.854299][ T6744] ------------[ cut here ]------------ [ 47.854303][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.859352][ T6744] Modules linked in: [ 47.859949][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.861657][ T6744] Tainted: [W]=WARN [ 47.862270][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.863764][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.864955][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.865985][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.866957][ T6744] sp : ffff8000a56d7140 [ 47.867580][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40902c0 x27: 1fffe0001c812058 [ 47.868787][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 47.870029][ T6744] x23: ffff0000e4090298 x22: 0000000000000000 x21: dfff800000000000 [ 47.871153][ T6744] x20: ffff0000d01f0068 x19: ffff0000d01f0000 x18: 0000000000000000 [ 47.872379][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 47.873633][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 47.874921][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 47.876199][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 47.877390][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 47.878542][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.879756][ T6744] Call trace: [ 47.880241][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 47.881244][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 47.882074][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.882876][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.883720][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.884588][ T6744] ext4_dirty_inode+0xd4/0x104 [ 47.885310][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 47.886061][ T6744] iput+0x358/0xad4 [ 47.886612][ T6744] dentry_unlink_inode+0x384/0x45c [ 47.887390][ T6744] __dentry_kill+0x170/0x594 [ 47.888086][ T6744] shrink_kill+0xd4/0x2cc [ 47.888743][ T6744] shrink_dentry_list+0x31c/0x6cc [ 47.889452][ T6744] shrink_dcache_parent+0xac/0x27c [ 47.890235][ T6744] do_one_tree+0x2c/0xf0 [ 47.890786][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 47.891567][ T6744] generic_shutdown_super+0x68/0x2b8 [ 47.892345][ T6744] kill_block_super+0x44/0x90 [ 47.893012][ T6744] ext4_kill_sb+0x68/0xa4 [ 47.893639][ T6744] deactivate_locked_super+0xc4/0x12c [ 47.894451][ T6744] deactivate_super+0xe0/0x100 [ 47.895179][ T6744] cleanup_mnt+0x31c/0x3ac [ 47.895799][ T6744] __cleanup_mnt+0x20/0x30 [ 47.896423][ T6744] task_work_run+0x1dc/0x260 [ 47.897100][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 47.897857][ T6744] el0_svc+0x170/0x254 [ 47.898480][ T6744] el0t_64_sync_handler+0x84/0x12c [ 47.899282][ T6744] el0t_64_sync+0x198/0x19c [ 47.899976][ T6744] irq event stamp: 161424 [ 47.900605][ T6744] hardirqs last enabled at (161423): [] irqentry_exit+0xd8/0x108 [ 47.902001][ T6744] hardirqs last disabled at (161424): [] el1_brk64+0x20/0x54 [ 47.903383][ T6744] softirqs last enabled at (161252): [] local_bh_enable+0x10/0x34 [ 47.904799][ T6744] softirqs last disabled at (161250): [] local_bh_disable+0x10/0x34 [ 47.906199][ T6744] ---[ end trace 0000000000000000 ]--- [ 47.911760][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.927052][ T6874] loop0: detected capacity change from 0 to 1024 [ 47.960743][ T6874] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 4 ** replaying previous printk message ** [ 47.965930][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 47.966025][ T6744] ------------[ cut here ]------------ [ 47.966029][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.970975][ T6744] Modules linked in: [ 47.971563][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.973195][ T6744] Tainted: [W]=WARN [ 47.973764][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.975252][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.976519][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.977607][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 47.978773][ T6744] sp : ffff8000a56d7140 [ 47.979473][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40d4f40 x27: 1fffe0001c81a9e8 [ 47.980835][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 47.982143][ T6744] x23: ffff0000e40d4f18 x22: 0000000000000000 x21: dfff800000000000 [ 47.983382][ T6744] x20: ffff0000cc5ca068 x19: ffff0000cc5ca000 x18: 1fffe000337dfe90 [ 47.984656][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 47.985893][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 47.987188][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 47.988435][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 47.989652][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 47.990844][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.992066][ T6744] Call trace: [ 47.992588][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 47.993629][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 47.994443][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.995294][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.996156][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.997021][ T6744] ext4_dirty_inode+0xd4/0x104 [ 47.997755][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 47.998476][ T6744] iput+0x358/0xad4 [ 47.999047][ T6744] dentry_unlink_inode+0x384/0x45c [ 47.999825][ T6744] __dentry_kill+0x170/0x594 [ 48.000527][ T6744] shrink_kill+0xd4/0x2cc [ 48.001204][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.001976][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.002778][ T6744] do_one_tree+0x2c/0xf0 [ 48.003375][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.004210][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.004994][ T6744] kill_block_super+0x44/0x90 [ 48.005647][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.006343][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.007178][ T6744] deactivate_super+0xe0/0x100 [ 48.007931][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.008580][ T6744] __cleanup_mnt+0x20/0x30 [ 48.009228][ T6744] task_work_run+0x1dc/0x260 [ 48.009902][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.010699][ T6744] el0_svc+0x170/0x254 [ 48.011297][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.012020][ T6744] el0t_64_sync+0x198/0x19c [ 48.012706][ T6744] irq event stamp: 167250 [ 48.013342][ T6744] hardirqs last enabled at (167249): [] irqentry_exit+0xd8/0x108 [ 48.014681][ T6744] hardirqs last disabled at (167250): [] el1_brk64+0x20/0x54 [ 48.016041][ T6744] softirqs last enabled at (166996): [] local_bh_enable+0x10/0x34 [ 48.017428][ T6744] softirqs last disabled at (166994): [] local_bh_disable+0x10/0x34 [ 48.018862][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.036815][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.066468][ T6892] loop0: detected capacity change from 0 to 1024 [ 48.082854][ T6892] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.087171][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.087265][ T6744] ------------[ cut here ]------------ [ 48.087270][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.091623][ T6744] Modules linked in: [ 48.092224][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.093921][ T6744] Tainted: [W]=WARN [ 48.094444][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.096042][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.097248][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.098268][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.099276][ T6744] sp : ffff8000a56d7140 [ 48.099945][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40995e0 x27: 1fffe0001c8132bc [ 48.101219][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.102530][ T6744] x23: ffff0000e40995b8 x22: 0000000000000000 x21: dfff800000000000 [ 48.103733][ T6744] x20: ffff0000c8b2e068 x19: ffff0000c8b2e000 x18: 1fffe000337dfe90 [ 48.104885][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 48.106142][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.107357][ T6744] x11: 00000000000007ea x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.108466][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 48.109727][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 48.110922][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.112344][ T6744] Call trace: [ 48.112923][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.113935][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.114780][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.115634][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.116535][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.117399][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.118083][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.118853][ T6744] iput+0x358/0xad4 [ 48.119449][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.120229][ T6744] __dentry_kill+0x170/0x594 [ 48.120929][ T6744] shrink_kill+0xd4/0x2cc [ 48.121584][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.122378][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.123102][ T6744] do_one_tree+0x2c/0xf0 [ 48.123734][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.124538][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.125394][ T6744] kill_block_super+0x44/0x90 [ 48.126089][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.126750][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.127506][ T6744] deactivate_super+0xe0/0x100 [ 48.128205][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.128877][ T6744] __cleanup_mnt+0x20/0x30 [ 48.129556][ T6744] task_work_run+0x1dc/0x260 [ 48.130203][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.131012][ T6744] el0_svc+0x170/0x254 [ 48.131612][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.132458][ T6744] el0t_64_sync+0x198/0x19c [ 48.133153][ T6744] irq event stamp: 174624 [ 48.133810][ T6744] hardirqs last enabled at (174623): [] irqentry_exit+0xd8/0x108 [ 48.135238][ T6744] hardirqs last disabled at (174624): [] el1_brk64+0x20/0x54 [ 48.136569][ T6744] softirqs last enabled at (173442): [] local_bh_enable+0x10/0x34 [ 48.138040][ T6744] softirqs last disabled at (173440): [] local_bh_disable+0x10/0x34 [ 48.139527][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.144104][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.155614][ T6905] loop0: detected capacity change from 0 to 1024 [ 48.162694][ T6905] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.168681][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.168769][ T6744] ------------[ cut here ]------------ [ 48.168774][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.172987][ T6744] Modules linked in: [ 48.173623][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.175244][ T6744] Tainted: [W]=WARN [ 48.175791][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.177257][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.178495][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.179423][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.180385][ T6744] sp : ffff8000a56d7140 [ 48.181021][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41d02c0 x27: 1fffe0001c83a058 [ 48.182245][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.183469][ T6744] x23: ffff0000e41d0298 x22: 0000000000000000 x21: dfff800000000000 [ 48.184643][ T6744] x20: ffff0000cad40068 x19: ffff0000cad40000 x18: 1fffe000337dfe90 [ 48.185849][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 48.187045][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.188268][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.189523][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 48.190681][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 48.191908][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.193211][ T6744] Call trace: [ 48.193720][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.194745][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.195551][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.196449][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.197268][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.198081][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.198802][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.199515][ T6744] iput+0x358/0xad4 [ 48.200087][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.201023][ T6744] __dentry_kill+0x170/0x594 [ 48.201809][ T6744] shrink_kill+0xd4/0x2cc [ 48.202512][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.203306][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.204138][ T6744] do_one_tree+0x2c/0xf0 [ 48.204811][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.205678][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.206519][ T6744] kill_block_super+0x44/0x90 [ 48.207268][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.207938][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.208773][ T6744] deactivate_super+0xe0/0x100 [ 48.209483][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.210160][ T6744] __cleanup_mnt+0x20/0x30 [ 48.210787][ T6744] task_work_run+0x1dc/0x260 [ 48.211609][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.212480][ T6744] el0_svc+0x170/0x254 [ 48.213167][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.213970][ T6744] el0t_64_sync+0x198/0x19c [ 48.214677][ T6744] irq event stamp: 180706 [ 48.215364][ T6744] hardirqs last enabled at (180705): [] irqentry_exit+0xd8/0x108 [ 48.216829][ T6744] hardirqs last disabled at (180706): [] el1_brk64+0x20/0x54 [ 48.218256][ T6744] softirqs last enabled at (180530): [] local_bh_enable+0x10/0x34 [ 48.219788][ T6744] softirqs last disabled at (180528): [] local_bh_disable+0x10/0x34 [ 48.221336][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.227472][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.254649][ T6918] loop0: detected capacity change from 0 to 1024 [ 48.269908][ T6918] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.275560][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.277529][ T6744] ------------[ cut here ]------------ [ 48.277536][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.279998][ T6744] Modules linked in: [ 48.280594][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.282160][ T6744] Tainted: [W]=WARN [ 48.282707][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.284200][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.285264][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.286207][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.287159][ T6744] sp : ffff8000a56d7140 [ 48.287784][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41d6260 x27: 1fffe0001c83ac4c [ 48.288960][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.290134][ T6744] x23: ffff0000e41d6238 x22: 0000000000000000 x21: dfff800000000000 [ 48.291263][ T6744] x20: ffff0000cb7d6068 x19: ffff0000cb7d6000 x18: 1fffe000337db690 [ 48.292472][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 48.293705][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.294879][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.296027][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 48.297383][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 48.298789][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.300072][ T6744] Call trace: [ 48.300611][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.301615][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.302434][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.303350][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.304176][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.305030][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.305783][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.306581][ T6744] iput+0x358/0xad4 [ 48.307198][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.307963][ T6744] __dentry_kill+0x170/0x594 [ 48.308685][ T6744] shrink_kill+0xd4/0x2cc [ 48.309324][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.310048][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.310803][ T6744] do_one_tree+0x2c/0xf0 [ 48.311411][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.312221][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.313032][ T6744] kill_block_super+0x44/0x90 [ 48.313713][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.314362][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.315166][ T6744] deactivate_super+0xe0/0x100 [ 48.315803][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.316565][ T6744] __cleanup_mnt+0x20/0x30 [ 48.317304][ T6744] task_work_run+0x1dc/0x260 [ 48.318075][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.318898][ T6744] el0_svc+0x170/0x254 [ 48.319599][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.320433][ T6744] el0t_64_sync+0x198/0x19c [ 48.321150][ T6744] irq event stamp: 186352 [ 48.321865][ T6744] hardirqs last enabled at (186351): [] finish_lock_switch+0xb0/0x1c0 [ 48.323380][ T6744] hardirqs last disabled at (186352): [] el1_brk64+0x20/0x54 [ 48.324722][ T6744] softirqs last enabled at (186096): [] local_bh_enable+0x10/0x34 [ 48.326166][ T6744] softirqs last disabled at (186094): [] local_bh_disable+0x10/0x34 [ 48.327560][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.330778][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.344947][ T6930] loop0: detected capacity change from 0 to 1024 [ 48.369168][ T6930] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.380225][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.382255][ T6744] ------------[ cut here ]------------ [ 48.382265][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.384479][ T6744] Modules linked in: [ 48.385052][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.386735][ T6744] Tainted: [W]=WARN [ 48.387334][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.388898][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.390078][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.391091][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.392058][ T6744] sp : ffff8000a56d7140 [ 48.392671][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e420cf40 x27: 1fffe0001c8419e8 [ 48.393943][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.395113][ T6744] x23: ffff0000e420cf18 x22: 0000000000000000 x21: dfff800000000000 [ 48.396210][ T6744] x20: ffff0000cce8c068 x19: ffff0000cce8c000 x18: 1fffe000337db690 [ 48.397407][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 48.398579][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.399727][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.400974][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 48.402157][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 48.403379][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.404578][ T6744] Call trace: [ 48.405123][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.406147][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.406923][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.407724][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.408539][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.409312][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.410011][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.410813][ T6744] iput+0x358/0xad4 [ 48.411383][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.412095][ T6744] __dentry_kill+0x170/0x594 [ 48.412774][ T6744] shrink_kill+0xd4/0x2cc [ 48.413435][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.414170][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.414903][ T6744] do_one_tree+0x2c/0xf0 [ 48.415543][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.416354][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.417176][ T6744] kill_block_super+0x44/0x90 [ 48.417878][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.418533][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.419364][ T6744] deactivate_super+0xe0/0x100 [ 48.420041][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.420692][ T6744] __cleanup_mnt+0x20/0x30 [ 48.421343][ T6744] task_work_run+0x1dc/0x260 [ 48.422011][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.422756][ T6744] el0_svc+0x170/0x254 [ 48.423350][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.424109][ T6744] el0t_64_sync+0x198/0x19c [ 48.424792][ T6744] irq event stamp: 192466 [ 48.425393][ T6744] hardirqs last enabled at (192465): [] finish_lock_switch+0xb0/0x1c0 [ 48.426715][ T6744] hardirqs last disabled at (192466): [] el1_brk64+0x20/0x54 [ 48.427944][ T6744] softirqs last enabled at (192212): [] local_bh_enable+0x10/0x34 [ 48.429282][ T6744] softirqs last disabled at (192210): [] local_bh_disable+0x10/0x34 [ 48.430690][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.446775][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.473161][ T6948] loop0: detected capacity change from 0 to 1024 [ 48.480906][ T6948] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.486967][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.487063][ T6744] ------------[ cut here ]------------ [ 48.487068][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.491178][ T6744] Modules linked in: [ 48.491753][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.493295][ T6744] Tainted: [W]=WARN [ 48.493888][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.495444][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.496665][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.497658][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.498615][ T6744] sp : ffff8000a56d7140 [ 48.499196][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e420f580 x27: 1fffe0001c841eb0 [ 48.500380][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.501541][ T6744] x23: ffff0000e420f558 x22: 0000000000000000 x21: dfff800000000000 [ 48.502699][ T6744] x20: ffff0000c8e30068 x19: ffff0000c8e30000 x18: 00000000ffffffff [ 48.503972][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 48.505140][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.506290][ T6744] x11: 0000000000004403 x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.507460][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 48.508692][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 48.509968][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.511132][ T6744] Call trace: [ 48.511582][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.512548][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.513352][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.514242][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.515104][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.515943][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.516663][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.517357][ T6744] iput+0x358/0xad4 [ 48.517995][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.518789][ T6744] __dentry_kill+0x170/0x594 [ 48.519424][ T6744] shrink_kill+0xd4/0x2cc [ 48.520088][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.520825][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.521512][ T6744] do_one_tree+0x2c/0xf0 [ 48.522151][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.522984][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.523786][ T6744] kill_block_super+0x44/0x90 [ 48.524501][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.525104][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.525907][ T6744] deactivate_super+0xe0/0x100 [ 48.526541][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.527195][ T6744] __cleanup_mnt+0x20/0x30 [ 48.527846][ T6744] task_work_run+0x1dc/0x260 [ 48.528526][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.529283][ T6744] el0_svc+0x170/0x254 [ 48.529837][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.530600][ T6744] el0t_64_sync+0x198/0x19c [ 48.531269][ T6744] irq event stamp: 199612 [ 48.531871][ T6744] hardirqs last enabled at (199611): [] irqentry_exit+0xd8/0x108 [ 48.533252][ T6744] hardirqs last disabled at (199612): [] el1_brk64+0x20/0x54 [ 48.534575][ T6744] softirqs last enabled at (199358): [] local_bh_enable+0x10/0x34 [ 48.535893][ T6744] softirqs last disabled at (199356): [] local_bh_disable+0x10/0x34 [ 48.537328][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.543310][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.561676][ T6963] loop0: detected capacity change from 0 to 1024 [ 48.577578][ T6963] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.584300][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.586305][ T6744] ------------[ cut here ]------------ [ 48.586313][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.588650][ T6744] Modules linked in: [ 48.589242][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.590849][ T6744] Tainted: [W]=WARN [ 48.591421][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.592872][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.594018][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.594885][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.595816][ T6744] sp : ffff8000a56d7140 [ 48.596452][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce5a900 x27: 1fffe0001b9cb520 [ 48.597688][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.598911][ T6744] x23: ffff0000dce5a8d8 x22: 0000000000000000 x21: dfff800000000000 [ 48.600062][ T6744] x20: ffff0000da8fe068 x19: ffff0000da8fe000 x18: 1fffe000337db690 [ 48.601227][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 48.602407][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.603597][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.604826][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 48.606054][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 48.607290][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.608574][ T6744] Call trace: [ 48.609094][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.610059][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.610898][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.611729][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.612565][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.613373][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.614015][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.614786][ T6744] iput+0x358/0xad4 [ 48.615362][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.616161][ T6744] __dentry_kill+0x170/0x594 [ 48.616854][ T6744] shrink_kill+0xd4/0x2cc [ 48.617521][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.618336][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.619147][ T6744] do_one_tree+0x2c/0xf0 [ 48.619772][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.620689][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.621546][ T6744] kill_block_super+0x44/0x90 [ 48.622311][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.622954][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.623808][ T6744] deactivate_super+0xe0/0x100 [ 48.624560][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.625206][ T6744] __cleanup_mnt+0x20/0x30 [ 48.625882][ T6744] task_work_run+0x1dc/0x260 [ 48.626538][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.627296][ T6744] el0_svc+0x170/0x254 [ 48.627870][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.628749][ T6744] el0t_64_sync+0x198/0x19c [ 48.629544][ T6744] irq event stamp: 204882 [ 48.630252][ T6744] hardirqs last enabled at (204881): [] finish_lock_switch+0xb0/0x1c0 [ 48.631872][ T6744] hardirqs last disabled at (204882): [] el1_brk64+0x20/0x54 [ 48.633145][ T6744] softirqs last enabled at (204622): [] local_bh_enable+0x10/0x34 [ 48.634566][ T6744] softirqs last disabled at (204620): [] local_bh_disable+0x10/0x34 [ 48.635990][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.664707][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.683352][ T6976] loop0: detected capacity change from 0 to 1024 [ 48.704486][ T6976] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 48.708675][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.708772][ T6744] ------------[ cut here ]------------ [ 48.708776][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.713638][ T6744] Modules linked in: [ 48.714236][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.715812][ T6744] Tainted: [W]=WARN [ 48.716406][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.717869][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.719020][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.720011][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.720973][ T6744] sp : ffff8000a56d7140 [ 48.721610][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce5d8d0 x27: 1fffe0001b9cbb1a [ 48.722824][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.724058][ T6744] x23: ffff0000dce5d8a8 x22: 0000000000000000 x21: dfff800000000000 [ 48.725245][ T6744] x20: ffff0000cf318068 x19: ffff0000cf318000 x18: 1fffe000337dfe90 [ 48.726475][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 48.727704][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.728894][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.730134][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 48.731326][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 48.732525][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.733789][ T6744] Call trace: [ 48.734301][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.735265][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.736025][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.736883][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.737742][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.738553][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.739282][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.740038][ T6744] iput+0x358/0xad4 [ 48.740654][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.741401][ T6744] __dentry_kill+0x170/0x594 [ 48.742118][ T6744] shrink_kill+0xd4/0x2cc [ 48.742725][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.743521][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.744282][ T6744] do_one_tree+0x2c/0xf0 [ 48.744940][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.745728][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.746573][ T6744] kill_block_super+0x44/0x90 [ 48.747234][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.747864][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.748668][ T6744] deactivate_super+0xe0/0x100 [ 48.749372][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.750041][ T6744] __cleanup_mnt+0x20/0x30 [ 48.750632][ T6744] task_work_run+0x1dc/0x260 [ 48.751312][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.752142][ T6744] el0_svc+0x170/0x254 [ 48.752766][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.753472][ T6744] el0t_64_sync+0x198/0x19c [ 48.754136][ T6744] irq event stamp: 210524 [ 48.754766][ T6744] hardirqs last enabled at (210523): [] irqentry_exit+0xd8/0x108 [ 48.756165][ T6744] hardirqs last disabled at (210524): [] el1_brk64+0x20/0x54 [ 48.757466][ T6744] softirqs last enabled at (210266): [] local_bh_enable+0x10/0x34 [ 48.758844][ T6744] softirqs last disabled at (210264): [] local_bh_disable+0x10/0x34 [ 48.760235][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.765658][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.790786][ T6984] loop0: detected capacity change from 0 to 1024 [ 48.800554][ T6984] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.804497][ T6744] EXT4-fs ** replaying previous printk message ** [ 48.804497][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.804918][ T6744] ------------[ cut here ]------------ [ 48.804923][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.809758][ T6744] Modules linked in: [ 48.810331][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.811964][ T6744] Tainted: [W]=WARN [ 48.812517][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.814003][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.815149][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.816054][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.817035][ T6744] sp : ffff8000a56d7140 [ 48.817675][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce258d0 x27: 1fffe0001b9c4b1a [ 48.818876][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.820083][ T6744] x23: ffff0000dce258a8 x22: 0000000000000000 x21: dfff800000000000 [ 48.821295][ T6744] x20: ffff0000cb1fe068 x19: ffff0000cb1fe000 x18: 1fffe000337dfe90 [ 48.822514][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 48.823817][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.825080][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.826245][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 48.827450][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 48.828677][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.830104][ T6744] Call trace: [ 48.830671][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.831697][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.832543][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.833451][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.834271][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.835107][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.835837][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.836582][ T6744] iput+0x358/0xad4 [ 48.837151][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.837894][ T6744] __dentry_kill+0x170/0x594 [ 48.838511][ T6744] shrink_kill+0xd4/0x2cc [ 48.839141][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.839954][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.840779][ T6744] do_one_tree+0x2c/0xf0 [ 48.841463][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.842295][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.843136][ T6744] kill_block_super+0x44/0x90 [ 48.843814][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.844433][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.845264][ T6744] deactivate_super+0xe0/0x100 [ 48.846006][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.846687][ T6744] __cleanup_mnt+0x20/0x30 [ 48.847339][ T6744] task_work_run+0x1dc/0x260 [ 48.848027][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.848940][ T6744] el0_svc+0x170/0x254 [ 48.849674][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.850514][ T6744] el0t_64_sync+0x198/0x19c [ 48.851239][ T6744] irq event stamp: 216914 [ 48.851944][ T6744] hardirqs last enabled at (216913): [] finish_lock_switch+0xb0/0x1c0 [ 48.853503][ T6744] hardirqs last disabled at (216914): [] el1_brk64+0x20/0x54 [ 48.854882][ T6744] softirqs last enabled at (216738): [] local_bh_enable+0x10/0x34 [ 48.856368][ T6744] softirqs last disabled at (216736): [] local_bh_disable+0x10/0x34 [ 48.857777][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.860866][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.885752][ T6988] loop0: detected capacity change from 0 to 1024 [ 48.906563][ T6988] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 48.910573][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 48.910669][ T6744] ------------[ cut here ]------------ [ 48.910672][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.915510][ T6744] Modules linked in: [ 48.916124][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.917763][ T6744] Tainted: [W]=WARN [ 48.918369][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.919979][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.921152][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.922092][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 48.923093][ T6744] sp : ffff8000a56d7140 [ 48.923763][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce3bc20 x27: 1fffe0001b9c7784 [ 48.924973][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 48.926164][ T6744] x23: ffff0000dce3bbf8 x22: 0000000000000000 x21: dfff800000000000 [ 48.927394][ T6744] x20: ffff0000cdd42068 x19: ffff0000cdd42000 x18: 1fffe000337dfe90 [ 48.928577][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 48.929801][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 48.931069][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 48.932247][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 48.933484][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 48.934701][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.935885][ T6744] Call trace: [ 48.936343][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 48.937227][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 48.938033][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.938910][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.939684][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.940477][ T6744] ext4_dirty_inode+0xd4/0x104 [ 48.941177][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 48.941961][ T6744] iput+0x358/0xad4 [ 48.942532][ T6744] dentry_unlink_inode+0x384/0x45c [ 48.943260][ T6744] __dentry_kill+0x170/0x594 [ 48.943937][ T6744] shrink_kill+0xd4/0x2cc [ 48.944501][ T6744] shrink_dentry_list+0x31c/0x6cc [ 48.945251][ T6744] shrink_dcache_parent+0xac/0x27c [ 48.945990][ T6744] do_one_tree+0x2c/0xf0 [ 48.946579][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 48.947356][ T6744] generic_shutdown_super+0x68/0x2b8 [ 48.948142][ T6744] kill_block_super+0x44/0x90 [ 48.948832][ T6744] ext4_kill_sb+0x68/0xa4 [ 48.949497][ T6744] deactivate_locked_super+0xc4/0x12c [ 48.950272][ T6744] deactivate_super+0xe0/0x100 [ 48.950993][ T6744] cleanup_mnt+0x31c/0x3ac [ 48.951717][ T6744] __cleanup_mnt+0x20/0x30 [ 48.952427][ T6744] task_work_run+0x1dc/0x260 [ 48.953204][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 48.954007][ T6744] el0_svc+0x170/0x254 [ 48.954654][ T6744] el0t_64_sync_handler+0x84/0x12c [ 48.955430][ T6744] el0t_64_sync+0x198/0x19c [ 48.956172][ T6744] irq event stamp: 224712 [ 48.956830][ T6744] hardirqs last enabled at (224711): [] irqentry_exit+0xd8/0x108 [ 48.958221][ T6744] hardirqs last disabled at (224712): [] el1_brk64+0x20/0x54 [ 48.959518][ T6744] softirqs last enabled at (224544): [] local_bh_enable+0x10/0x34 [ 48.960925][ T6744] softirqs last disabled at (224542): [] local_bh_disable+0x10/0x34 [ 48.962336][ T6744] ---[ end trace 0000000000000000 ]--- [ 48.967415][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.970553][ T53] Bluetooth: hci0: command tx timeout [ 48.985108][ T6992] loop0: detected capacity change from 0 to 1024 [ 49.009371][ T6992] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.015510][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.017548][ T6744] ------------[ cut here ]------------ [ 49.017555][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.019969][ T6744] Modules linked in: [ 49.020521][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.022083][ T6744] Tainted: [W]=WARN [ 49.022627][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.024134][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.025278][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.026218][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.027148][ T6744] sp : ffff8000a56d7140 [ 49.027738][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce682c0 x27: 1fffe0001b9cd058 [ 49.028927][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.030003][ T6744] x23: ffff0000dce68298 x22: 0000000000000000 x21: dfff800000000000 [ 49.031199][ T6744] x20: ffff0000cdccc068 x19: ffff0000cdccc000 x18: 1fffe000337db690 [ 49.032461][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 49.033610][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.034847][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.036062][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 49.037335][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 49.038494][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.039636][ T6744] Call trace: [ 49.040110][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.041110][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.041852][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.042761][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.043599][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.044350][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.045044][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.045783][ T6744] iput+0x358/0xad4 [ 49.046269][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.047001][ T6744] __dentry_kill+0x170/0x594 [ 49.047675][ T6744] shrink_kill+0xd4/0x2cc [ 49.048330][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.049079][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.049836][ T6744] do_one_tree+0x2c/0xf0 [ 49.050446][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.051176][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.051942][ T6744] kill_block_super+0x44/0x90 [ 49.052586][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.053197][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.053939][ T6744] deactivate_super+0xe0/0x100 [ 49.054629][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.055240][ T6744] __cleanup_mnt+0x20/0x30 [ 49.055913][ T6744] task_work_run+0x1dc/0x260 [ 49.056582][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.057347][ T6744] el0_svc+0x170/0x254 [ 49.057924][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.058657][ T6744] el0t_64_sync+0x198/0x19c [ 49.059303][ T6744] irq event stamp: 230366 [ 49.059950][ T6744] hardirqs last enabled at (230365): [] finish_lock_switch+0xb0/0x1c0 [ 49.061337][ T6744] hardirqs last disabled at (230366): [] el1_brk64+0x20/0x54 [ 49.062619][ T6744] softirqs last enabled at (230076): [] local_bh_enable+0x10/0x34 [ 49.063923][ T6744] softirqs last disabled at (230074): [] local_bh_disable+0x10/0x34 [ 49.065205][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.071081][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.085414][ T6996] loop0: detected capacity change from 0 to 1024 [ 49.110467][ T6996] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49. ** replaying previous printk message ** [ 49.114425][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.114528][ T6744] ------------[ cut here ]------------ [ 49.114532][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.119196][ T6744] Modules linked in: [ 49.119782][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.121399][ T6744] Tainted: [W]=WARN [ 49.121950][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.123379][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.124513][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.125480][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.126398][ T6744] sp : ffff8000a56d7140 [ 49.126993][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c176cf40 x27: 1fffe000182ed9e8 [ 49.128114][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.129326][ T6744] x23: ffff0000c176cf18 x22: 0000000000000000 x21: dfff800000000000 [ 49.130538][ T6744] x20: ffff0000d12c4068 x19: ffff0000d12c4000 x18: 1fffe000337dfe90 [ 49.131741][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 49.132925][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.134124][ T6744] x11: 00000000000009ad x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.135325][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 49.136489][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 49.137671][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.138874][ T6744] Call trace: [ 49.139360][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.140312][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.141094][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.141960][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.142735][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.143542][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.144168][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.144938][ T6744] iput+0x358/0xad4 [ 49.145525][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.146301][ T6744] __dentry_kill+0x170/0x594 [ 49.146978][ T6744] shrink_kill+0xd4/0x2cc [ 49.147618][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.148364][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.149114][ T6744] do_one_tree+0x2c/0xf0 [ 49.149767][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.150508][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.151263][ T6744] kill_block_super+0x44/0x90 [ 49.151926][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.152549][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.153439][ T6744] deactivate_super+0xe0/0x100 [ 49.154115][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.154769][ T6744] __cleanup_mnt+0x20/0x30 [ 49.155430][ T6744] task_work_run+0x1dc/0x260 [ 49.156052][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.156763][ T6744] el0_svc+0x170/0x254 [ 49.157330][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.158054][ T6744] el0t_64_sync+0x198/0x19c [ 49.158701][ T6744] irq event stamp: 236790 [ 49.159342][ T6744] hardirqs last enabled at (236789): [] irqentry_exit+0xd8/0x108 [ 49.160750][ T6744] hardirqs last disabled at (236790): [] el1_brk64+0x20/0x54 [ 49.161996][ T6744] softirqs last enabled at (236462): [] local_bh_enable+0x10/0x34 [ 49.163471][ T6744] softirqs last disabled at (236460): [] local_bh_disable+0x10/0x34 [ 49.164934][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.168390][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.183640][ T7000] loop0: detected capacity change from 0 to 1024 [ 49.199025][ T7000] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.209965][ T6744] EXT4-fs warning (device loop0): ex ** replaying previous printk message ** [ 49.209965][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.210816][ T6744] ------------[ cut here ]------------ [ 49.210823][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.215530][ T6744] Modules linked in: [ 49.216069][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.217634][ T6744] Tainted: [W]=WARN [ 49.218216][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.219766][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.220886][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.221895][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.222880][ T6744] sp : ffff8000a56d7140 [ 49.223547][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce6cf40 x27: 1fffe0001b9cd9e8 [ 49.224784][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.225982][ T6744] x23: ffff0000dce6cf18 x22: 0000000000000000 x21: dfff800000000000 [ 49.227327][ T6744] x20: ffff0000d1f68068 x19: ffff0000d1f68000 x18: 1fffe000337dfe90 [ 49.228645][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 49.229890][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.231142][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.232434][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 49.233686][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 49.234911][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.236085][ T6744] Call trace: [ 49.236551][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.237606][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.238476][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.239345][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.240122][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.240979][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.241700][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.242442][ T6744] iput+0x358/0xad4 [ 49.242966][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.243757][ T6744] __dentry_kill+0x170/0x594 [ 49.244500][ T6744] shrink_kill+0xd4/0x2cc [ 49.245132][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.245892][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.246629][ T6744] do_one_tree+0x2c/0xf0 [ 49.247276][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.248077][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.248816][ T6744] kill_block_super+0x44/0x90 [ 49.249516][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.250145][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.250884][ T6744] deactivate_super+0xe0/0x100 [ 49.251590][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.252365][ T6744] __cleanup_mnt+0x20/0x30 [ 49.253151][ T6744] task_work_run+0x1dc/0x260 [ 49.253870][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.254733][ T6744] el0_svc+0x170/0x254 [ 49.255342][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.256147][ T6744] el0t_64_sync+0x198/0x19c [ 49.256895][ T6744] irq event stamp: 242736 [ 49.257533][ T6744] hardirqs last enabled at (242735): [] finish_lock_switch+0xb0/0x1c0 [ 49.259021][ T6744] hardirqs last disabled at (242736): [] el1_brk64+0x20/0x54 [ 49.260372][ T6744] softirqs last enabled at (242648): [] local_bh_enable+0x10/0x34 [ 49.261867][ T6744] softirqs last disabled at (242646): [] local_bh_disable+0x10/0x34 [ 49.263342][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.266371][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.279489][ T7004] loop0: detected capacity change from 0 to 1024 [ 49.308935][ T7004] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.312060][ T ** replaying previous printk message ** [ 49.312060][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.312290][ T6744] ------------[ cut here ]------------ [ 49.312297][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.317107][ T6744] Modules linked in: [ 49.317688][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.319391][ T6744] Tainted: [W]=WARN [ 49.319978][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.321502][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.322643][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.323659][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.324658][ T6744] sp : ffff8000a56d7140 [ 49.325278][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dcfc3290 x27: 1fffe0001b9f8652 [ 49.326513][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.327659][ T6744] x23: ffff0000dcfc3268 x22: 0000000000000000 x21: dfff800000000000 [ 49.328759][ T6744] x20: ffff0000d022a068 x19: ffff0000d022a000 x18: 1fffe000337dfe90 [ 49.329992][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 49.331186][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.332343][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.333588][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 49.334836][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 49.336006][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.337163][ T6744] Call trace: [ 49.337605][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.338534][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.339313][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.340130][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.340911][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.341704][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.342391][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.343159][ T6744] iput+0x358/0xad4 [ 49.343732][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.344456][ T6744] __dentry_kill+0x170/0x594 [ 49.345134][ T6744] shrink_kill+0xd4/0x2cc [ 49.345745][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.346492][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.347241][ T6744] do_one_tree+0x2c/0xf0 [ 49.347857][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.348645][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.349407][ T6744] kill_block_super+0x44/0x90 [ 49.350147][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.350794][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.351586][ T6744] deactivate_super+0xe0/0x100 [ 49.352363][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.353036][ T6744] __cleanup_mnt+0x20/0x30 [ 49.353656][ T6744] task_work_run+0x1dc/0x260 [ 49.354363][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.355225][ T6744] el0_svc+0x170/0x254 [ 49.355797][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.356500][ T6744] el0t_64_sync+0x198/0x19c [ 49.357159][ T6744] irq event stamp: 248566 [ 49.357781][ T6744] hardirqs last enabled at (248565): [] finish_lock_switch+0xb0/0x1c0 [ 49.359205][ T6744] hardirqs last disabled at (248566): [] el1_brk64+0x20/0x54 [ 49.360447][ T6744] softirqs last enabled at (248396): [] local_bh_enable+0x10/0x34 [ 49.361785][ T6744] softirqs last disabled at (248394): [] local_bh_disable+0x10/0x34 [ 49.363280][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.366470][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.379232][ T7008] loop0: detected capacity change from 0 to 1024 [ 49.390079][ T7008] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 4 ** replaying previous printk message ** [ 49.395467][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.395563][ T6744] ------------[ cut here ]------------ [ 49.395567][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.400413][ T6744] Modules linked in: [ 49.401001][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.402618][ T6744] Tainted: [W]=WARN [ 49.403175][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.404702][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.405932][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.406946][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.407966][ T6744] sp : ffff8000a56d7140 [ 49.408576][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce495e0 x27: 1fffe0001b9c92bc [ 49.409803][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.411032][ T6744] x23: ffff0000dce495b8 x22: 0000000000000000 x21: dfff800000000000 [ 49.412246][ T6744] x20: ffff0000d01d6068 x19: ffff0000d01d6000 x18: 1fffe000337dfe90 [ 49.413410][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 49.414651][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.415831][ T6744] x11: 0000000000000ab6 x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.417052][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 49.418253][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 49.419483][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.420624][ T6744] Call trace: [ 49.421066][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.422176][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.422993][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.423883][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.424740][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.425527][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.426276][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.427074][ T6744] iput+0x358/0xad4 [ 49.427635][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.428425][ T6744] __dentry_kill+0x170/0x594 [ 49.429098][ T6744] shrink_kill+0xd4/0x2cc [ 49.429746][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.430484][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.431243][ T6744] do_one_tree+0x2c/0xf0 [ 49.431893][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.432696][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.433417][ T6744] kill_block_super+0x44/0x90 [ 49.434082][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.434677][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.435465][ T6744] deactivate_super+0xe0/0x100 [ 49.436139][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.436898][ T6744] __cleanup_mnt+0x20/0x30 [ 49.437598][ T6744] task_work_run+0x1dc/0x260 [ 49.438326][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.439138][ T6744] el0_svc+0x170/0x254 [ 49.439771][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.440528][ T6744] el0t_64_sync+0x198/0x19c [ 49.441229][ T6744] irq event stamp: 254334 [ 49.441895][ T6744] hardirqs last enabled at (254333): [] irqentry_exit+0xd8/0x108 [ 49.443303][ T6744] hardirqs last disabled at (254334): [] el1_brk64+0x20/0x54 [ 49.444632][ T6744] softirqs last enabled at (254264): [] local_bh_enable+0x10/0x34 [ 49.445998][ T6744] softirqs last disabled at (254262): [] local_bh_disable+0x10/0x34 [ 49.447342][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.451142][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.465839][ T7012] loop0: detected capacity change from 0 to 1024 [ 49.479035][ T7012] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.483672][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.483769][ T6744] ------------[ cut here ]------------ [ 49.483775][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.488057][ T6744] Modules linked in: [ 49.488725][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.490376][ T6744] Tainted: [W]=WARN [ 49.490977][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.492528][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.493634][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.494568][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.495504][ T6744] sp : ffff8000a56d7140 [ 49.496126][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce4c5b0 x27: 1fffe0001b9c98b6 [ 49.497331][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.498479][ T6744] x23: ffff0000dce4c588 x22: 0000000000000000 x21: dfff800000000000 [ 49.499692][ T6744] x20: ffff0000d5200068 x19: ffff0000d5200000 x18: 1fffe000337dfe90 [ 49.500807][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 49.502053][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.503240][ T6744] x11: 0000000000000b0e x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.504443][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 49.505691][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 49.506869][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.508140][ T6744] Call trace: [ 49.508639][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.509631][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.510422][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.511262][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.512198][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.512942][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.513643][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.514439][ T6744] iput+0x358/0xad4 [ 49.515001][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.515762][ T6744] __dentry_kill+0x170/0x594 [ 49.516433][ T6744] shrink_kill+0xd4/0x2cc [ 49.517144][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.517874][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.518648][ T6744] do_one_tree+0x2c/0xf0 [ 49.519288][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.520104][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.520917][ T6744] kill_block_super+0x44/0x90 [ 49.521654][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.522316][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.523072][ T6744] deactivate_super+0xe0/0x100 [ 49.523836][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.524482][ T6744] __cleanup_mnt+0x20/0x30 [ 49.525101][ T6744] task_work_run+0x1dc/0x260 [ 49.525785][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.526562][ T6744] el0_svc+0x170/0x254 [ 49.527185][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.527924][ T6744] el0t_64_sync+0x198/0x19c [ 49.528569][ T6744] irq event stamp: 259958 [ 49.529211][ T6744] hardirqs last enabled at (259957): [] irqentry_exit+0xd8/0x108 [ 49.530532][ T6744] hardirqs last disabled at (259958): [] el1_brk64+0x20/0x54 [ 49.531830][ T6744] softirqs last enabled at (259882): [] local_bh_enable+0x10/0x34 [ 49.533208][ T6744] softirqs last disabled at (259880): [] local_bh_disable+0x10/0x34 [ 49.534592][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.537376][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.557459][ T7016] loop0: detected capacity change from 0 to 1024 [ 49.579480][ T7016] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.588086][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.590191][ T6744] ------------[ cut here ]------------ [ 49.590198][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.592589][ T6744] Modules linked in: [ 49.593213][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.594829][ T6744] Tainted: [W]=WARN [ 49.595377][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.596838][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.597967][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.599118][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.600179][ T6744] sp : ffff8000a56d7140 [ 49.600839][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1759f70 x27: 1fffe000182eb3ee [ 49.602158][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.603445][ T6744] x23: ffff0000c1759f48 x22: 0000000000000000 x21: dfff800000000000 [ 49.604708][ T6744] x20: ffff0000d2822068 x19: ffff0000d2822000 x18: 1fffe000337db690 [ 49.606005][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 49.607259][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.608494][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.609767][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 49.610954][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 49.612207][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.613410][ T6744] Call trace: [ 49.613870][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.614836][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.615660][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.616525][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.617357][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.618129][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.618833][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.619570][ T6744] iput+0x358/0xad4 [ 49.620127][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.620837][ T6744] __dentry_kill+0x170/0x594 [ 49.621490][ T6744] shrink_kill+0xd4/0x2cc [ 49.622094][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.622729][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.623447][ T6744] do_one_tree+0x2c/0xf0 [ 49.624037][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.624835][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.625686][ T6744] kill_block_super+0x44/0x90 [ 49.626400][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.627025][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.627898][ T6744] deactivate_super+0xe0/0x100 [ 49.628623][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.629237][ T6744] __cleanup_mnt+0x20/0x30 [ 49.629885][ T6744] task_work_run+0x1dc/0x260 [ 49.630535][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.631310][ T6744] el0_svc+0x170/0x254 [ 49.631947][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.632713][ T6744] el0t_64_sync+0x198/0x19c [ 49.633370][ T6744] irq event stamp: 265852 [ 49.633980][ T6744] hardirqs last enabled at (265851): [] finish_lock_switch+0xb0/0x1c0 [ 49.635393][ T6744] hardirqs last disabled at (265852): [] el1_brk64+0x20/0x54 [ 49.636649][ T6744] softirqs last enabled at (265550): [] local_bh_enable+0x10/0x34 [ 49.637905][ T6744] softirqs last disabled at (265548): [] local_bh_disable+0x10/0x34 [ 49.639318][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.642259][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.654802][ T7020] loop0: detected capacity change from 0 to 1024 [ 49.671828][ T7020] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.677392][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.679666][ T6744] ------------[ cut here ]------------ [ 49.679674][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.682224][ T6744] Modules linked in: [ 49.682821][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.684478][ T6744] Tainted: [W]=WARN [ 49.685077][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.686596][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.687764][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.688864][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.689905][ T6744] sp : ffff8000a56d7140 [ 49.690591][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dcf82900 x27: 1fffe0001b9f0520 [ 49.691856][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.693090][ T6744] x23: ffff0000dcf828d8 x22: 0000000000000000 x21: dfff800000000000 [ 49.694345][ T6744] x20: ffff0000d0e4a068 x19: ffff0000d0e4a000 x18: 1fffe000337dfe90 [ 49.695640][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 49.696868][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.698082][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.699334][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 49.700490][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 49.701723][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.703001][ T6744] Call trace: [ 49.703490][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.704489][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.705305][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.706188][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.707015][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.707835][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.708563][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.709344][ T6744] iput+0x358/0xad4 [ 49.709915][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.710801][ T6744] __dentry_kill+0x170/0x594 [ 49.711524][ T6744] shrink_kill+0xd4/0x2cc [ 49.712249][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.713110][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.713952][ T6744] do_one_tree+0x2c/0xf0 [ 49.714708][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.715595][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.716425][ T6744] kill_block_super+0x44/0x90 [ 49.717189][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.717897][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.718755][ T6744] deactivate_super+0xe0/0x100 [ 49.719534][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.720231][ T6744] __cleanup_mnt+0x20/0x30 [ 49.720928][ T6744] task_work_run+0x1dc/0x260 [ 49.721642][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.722471][ T6744] el0_svc+0x170/0x254 [ 49.723059][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.723945][ T6744] el0t_64_sync+0x198/0x19c [ 49.724564][ T6744] irq event stamp: 272196 [ 49.725205][ T6744] hardirqs last enabled at (272195): [] finish_lock_switch+0xb0/0x1c0 [ 49.726698][ T6744] hardirqs last disabled at (272196): [] el1_brk64+0x20/0x54 [ 49.727992][ T6744] softirqs last enabled at (272038): [] local_bh_enable+0x10/0x34 [ 49.729451][ T6744] softirqs last disabled at (272036): [] local_bh_disable+0x10/0x34 [ 49.730861][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.735040][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.754610][ T7024] loop0: detected capacity change from 0 to 1024 [ 49.770088][ T7024] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49 ** replaying previous printk message ** [ 49.773156][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.773249][ T6744] ------------[ cut here ]------------ [ 49.773253][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.778243][ T6744] Modules linked in: [ 49.778894][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.780538][ T6744] Tainted: [W]=WARN [ 49.781108][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.782664][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.784008][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.785035][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.786076][ T6744] sp : ffff8000a56d7140 [ 49.786728][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1760c50 x27: 1fffe000182ec18a [ 49.788073][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.789456][ T6744] x23: ffff0000c1760c28 x22: 0000000000000000 x21: dfff800000000000 [ 49.790858][ T6744] x20: ffff0000d4634068 x19: ffff0000d4634000 x18: 00000000ffffffff [ 49.792196][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 49.793492][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.794742][ T6744] x11: 0000000000005ea2 x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.795948][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 49.797126][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 49.798252][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.799399][ T6744] Call trace: [ 49.799917][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.800909][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.801668][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.802475][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.803264][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.804045][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.804703][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.805460][ T6744] iput+0x358/0xad4 [ 49.806000][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.806719][ T6744] __dentry_kill+0x170/0x594 [ 49.807372][ T6744] shrink_kill+0xd4/0x2cc [ 49.807982][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.808693][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.809398][ T6744] do_one_tree+0x2c/0xf0 [ 49.810005][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.810831][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.811623][ T6744] kill_block_super+0x44/0x90 [ 49.812328][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.812995][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.813758][ T6744] deactivate_super+0xe0/0x100 [ 49.814426][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.815091][ T6744] __cleanup_mnt+0x20/0x30 [ 49.815746][ T6744] task_work_run+0x1dc/0x260 [ 49.816409][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.817281][ T6744] el0_svc+0x170/0x254 [ 49.817917][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.818707][ T6744] el0t_64_sync+0x198/0x19c [ 49.819459][ T6744] irq event stamp: 277856 [ 49.820139][ T6744] hardirqs last enabled at (277855): [] irqentry_exit+0xd8/0x108 [ 49.821616][ T6744] hardirqs last disabled at (277856): [] el1_brk64+0x20/0x54 [ 49.822953][ T6744] softirqs last enabled at (277604): [] local_bh_enable+0x10/0x34 [ 49.824332][ T6744] softirqs last disabled at (277602): [] local_bh_disable+0x10/0x34 [ 49.825747][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.829278][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.855433][ T7030] loop0: detected capacity change from 0 to 1024 [ 49.896462][ T7030] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 4 ** replaying previous printk message ** [ 49.903079][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.903167][ T6744] ------------[ cut here ]------------ [ 49.903171][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.908034][ T6744] Modules linked in: [ 49.908641][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.910338][ T6744] Tainted: [W]=WARN [ 49.910959][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.912543][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.913786][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.914775][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.915745][ T6744] sp : ffff8000a56d7140 [ 49.916374][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e421a900 x27: 1fffe0001c843520 [ 49.917597][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 49.918831][ T6744] x23: ffff0000e421a8d8 x22: 0000000000000000 x21: dfff800000000000 [ 49.920026][ T6744] x20: ffff0000d0e36068 x19: ffff0000d0e36000 x18: 1fffe000337db690 [ 49.921212][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 49.922372][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 49.923539][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 49.924779][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 49.925993][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 49.927150][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.928318][ T6744] Call trace: [ 49.928793][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 49.929719][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 49.930530][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.931443][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.932238][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.933002][ T6744] ext4_dirty_inode+0xd4/0x104 [ 49.933665][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 49.934395][ T6744] iput+0x358/0xad4 [ 49.934932][ T6744] dentry_unlink_inode+0x384/0x45c [ 49.935679][ T6744] __dentry_kill+0x170/0x594 [ 49.936341][ T6744] shrink_kill+0xd4/0x2cc [ 49.936914][ T6744] shrink_dentry_list+0x31c/0x6cc [ 49.937587][ T6744] shrink_dcache_parent+0xac/0x27c [ 49.938331][ T6744] do_one_tree+0x2c/0xf0 [ 49.938958][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 49.939744][ T6744] generic_shutdown_super+0x68/0x2b8 [ 49.940477][ T6744] kill_block_super+0x44/0x90 [ 49.941182][ T6744] ext4_kill_sb+0x68/0xa4 [ 49.941842][ T6744] deactivate_locked_super+0xc4/0x12c [ 49.942669][ T6744] deactivate_super+0xe0/0x100 [ 49.943360][ T6744] cleanup_mnt+0x31c/0x3ac [ 49.943938][ T6744] __cleanup_mnt+0x20/0x30 [ 49.944573][ T6744] task_work_run+0x1dc/0x260 [ 49.945238][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 49.946031][ T6744] el0_svc+0x170/0x254 [ 49.946658][ T6744] el0t_64_sync_handler+0x84/0x12c [ 49.947422][ T6744] el0t_64_sync+0x198/0x19c [ 49.948096][ T6744] irq event stamp: 285400 [ 49.948725][ T6744] hardirqs last enabled at (285399): [] irqentry_exit+0xd8/0x108 [ 49.950007][ T6744] hardirqs last disabled at (285400): [] el1_brk64+0x20/0x54 [ 49.951324][ T6744] softirqs last enabled at (285114): [] local_bh_enable+0x10/0x34 [ 49.952723][ T6744] softirqs last disabled at (285112): [] local_bh_disable+0x10/0x34 [ 49.954109][ T6744] ---[ end trace 0000000000000000 ]--- [ 49.959353][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 49.976590][ T7034] loop0: detected capacity change from 0 to 1024 [ 49.989568][ T7034] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 49.995102][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 49.997112][ T6744] ------------[ cut here ]------------ [ 49.997118][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 49.999539][ T6744] Modules linked in: [ 50.000140][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.001764][ T6744] Tainted: [W]=WARN [ 50.002329][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.003817][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.005000][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.006006][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.006983][ T6744] sp : ffff8000a56d7140 [ 50.007601][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41da900 x27: 1fffe0001c83b520 [ 50.008746][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.009946][ T6744] x23: ffff0000e41da8d8 x22: 0000000000000000 x21: dfff800000000000 [ 50.011192][ T6744] x20: ffff0000d4a52068 x19: ffff0000d4a52000 x18: 1fffe000337dfe90 [ 50.012638][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 50.013903][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.015107][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.016312][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 50.017511][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 50.018800][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.019992][ T6744] Call trace: [ 50.020504][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.021513][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.022288][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.023230][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.024020][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.024800][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.025498][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.026195][ T6744] iput+0x358/0xad4 [ 50.026759][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.027644][ T6744] __dentry_kill+0x170/0x594 [ 50.028398][ T6744] shrink_kill+0xd4/0x2cc [ 50.029129][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.029969][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.030810][ T6744] do_one_tree+0x2c/0xf0 [ 50.031495][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.032382][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.033216][ T6744] kill_block_super+0x44/0x90 [ 50.033953][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.034651][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.035473][ T6744] deactivate_super+0xe0/0x100 [ 50.036169][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.036856][ T6744] __cleanup_mnt+0x20/0x30 [ 50.037522][ T6744] task_work_run+0x1dc/0x260 [ 50.038209][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.039023][ T6744] el0_svc+0x170/0x254 [ 50.039640][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.040432][ T6744] el0t_64_sync+0x198/0x19c [ 50.041138][ T6744] irq event stamp: 291776 [ 50.041790][ T6744] hardirqs last enabled at (291775): [] finish_lock_switch+0xb0/0x1c0 [ 50.043303][ T6744] hardirqs last disabled at (291776): [] el1_brk64+0x20/0x54 [ 50.044617][ T6744] softirqs last enabled at (291616): [] local_bh_enable+0x10/0x34 [ 50.045943][ T6744] softirqs last disabled at (291614): [] local_bh_disable+0x10/0x34 [ 50.047379][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.051258][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.065941][ T7038] loop0: detected capacity change from 0 to 1024 [ 50.079864][ T7038] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 50.090617][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.090710][ T6744] ------------[ cut here ]------------ [ 50.090714][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.095607][ T6744] Modules linked in: [ 50.096233][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.097853][ T6744] Tainted: [W]=WARN [ 50.098454][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.100046][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.101210][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.102179][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.103108][ T6744] sp : ffff8000a56d7140 [ 50.103781][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41e0c50 x27: 1fffe0001c83c18a [ 50.105049][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.106280][ T6744] x23: ffff0000e41e0c28 x22: 0000000000000000 x21: dfff800000000000 [ 50.107537][ T6744] x20: ffff0000cdb3e068 x19: ffff0000cdb3e000 x18: 1fffe000337db690 [ 50.108851][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 50.110103][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.111359][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.112636][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 50.113868][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 50.115098][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.116264][ T6744] Call trace: [ 50.116751][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.117704][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.118511][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.119317][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.120119][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.120876][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.121581][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.122332][ T6744] iput+0x358/0xad4 [ 50.122898][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.123642][ T6744] __dentry_kill+0x170/0x594 [ 50.124320][ T6744] shrink_kill+0xd4/0x2cc [ 50.124958][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.125683][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.126415][ T6744] do_one_tree+0x2c/0xf0 [ 50.127006][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.127797][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.128573][ T6744] kill_block_super+0x44/0x90 [ 50.129239][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.129953][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.130776][ T6744] deactivate_super+0xe0/0x100 [ 50.131519][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.132227][ T6744] __cleanup_mnt+0x20/0x30 [ 50.132926][ T6744] task_work_run+0x1dc/0x260 [ 50.133675][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.134525][ T6744] el0_svc+0x170/0x254 [ 50.135201][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.136017][ T6744] el0t_64_sync+0x198/0x19c [ 50.136739][ T6744] irq event stamp: 297560 [ 50.137436][ T6744] hardirqs last enabled at (297559): [] irqentry_exit+0xd8/0x108 [ 50.138969][ T6744] hardirqs last disabled at (297560): [] el1_brk64+0x20/0x54 [ 50.140412][ T6744] softirqs last enabled at (297316): [] local_bh_enable+0x10/0x34 [ 50.141908][ T6744] softirqs last disabled at (297314): [] local_bh_disable+0x10/0x34 [ 50.143420][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.145875][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.162470][ T7042] loop0: detected capacity change from 0 to 1024 [ 50.173783][ T7042] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50.183055][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.185077][ T6744] ------------[ cut here ]------------ [ 50.185085][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.187491][ T6744] Modules linked in: [ 50.188058][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.189668][ T6744] Tainted: [W]=WARN [ 50.190224][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.191736][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.192966][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.193898][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.194808][ T6744] sp : ffff8000a56d7140 [ 50.195432][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e421f580 x27: 1fffe0001c843eb0 [ 50.196741][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.198067][ T6744] x23: ffff0000e421f558 x22: 0000000000000000 x21: dfff800000000000 [ 50.199339][ T6744] x20: ffff0000df31a068 x19: ffff0000df31a000 x18: 1fffe000337dfe90 [ 50.200626][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 50.201952][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.203194][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.204446][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 50.205723][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 50.206977][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.208177][ T6744] Call trace: [ 50.208656][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.209649][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.210423][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.211296][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.212131][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.212947][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.213685][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.214393][ T6744] iput+0x358/0xad4 [ 50.214956][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.215725][ T6744] __dentry_kill+0x170/0x594 [ 50.216364][ T6744] shrink_kill+0xd4/0x2cc [ 50.217017][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.217770][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.218504][ T6744] do_one_tree+0x2c/0xf0 [ 50.219133][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.219920][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.220705][ T6744] kill_block_super+0x44/0x90 [ 50.221387][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.222013][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.222823][ T6744] deactivate_super+0xe0/0x100 [ 50.223477][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.224138][ T6744] __cleanup_mnt+0x20/0x30 [ 50.224811][ T6744] task_work_run+0x1dc/0x260 [ 50.225526][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.226298][ T6744] el0_svc+0x170/0x254 [ 50.226854][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.227646][ T6744] el0t_64_sync+0x198/0x19c [ 50.228316][ T6744] irq event stamp: 303194 [ 50.228951][ T6744] hardirqs last enabled at (303193): [] finish_lock_switch+0xb0/0x1c0 [ 50.230344][ T6744] hardirqs last disabled at (303194): [] el1_brk64+0x20/0x54 [ 50.231675][ T6744] softirqs last enabled at (302942): [] local_bh_enable+0x10/0x34 [ 50.233027][ T6744] softirqs last disabled at (302940): [] local_bh_disable+0x10/0x34 [ 50.234380][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.238210][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.258372][ T7047] loop0: detected capacity change from 0 to 1024 [ 50.269005][ T7047] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50 ** replaying previous printk message ** [ 50.272003][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.272099][ T6744] ------------[ cut here ]------------ [ 50.272103][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.276874][ T6744] Modules linked in: [ 50.277452][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.279108][ T6744] Tainted: [W]=WARN [ 50.279628][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.281175][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.282356][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.283279][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.284194][ T6744] sp : ffff8000a56d7140 [ 50.284798][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4224f40 x27: 1fffe0001c8449e8 [ 50.285917][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.287105][ T6744] x23: ffff0000e4224f18 x22: 0000000000000000 x21: dfff800000000000 [ 50.288312][ T6744] x20: ffff0000d6f3e068 x19: ffff0000d6f3e000 x18: 1fffe000337db690 [ 50.289484][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 50.290652][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.291837][ T6744] x11: 0000000000005fad x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.293005][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 50.294140][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 50.295337][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.296538][ T6744] Call trace: [ 50.297011][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.297988][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.298749][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.299591][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.300405][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.301182][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.301901][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.302646][ T6744] iput+0x358/0xad4 [ 50.303145][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.303902][ T6744] __dentry_kill+0x170/0x594 [ 50.304611][ T6744] shrink_kill+0xd4/0x2cc [ 50.305246][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.305966][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.306736][ T6744] do_one_tree+0x2c/0xf0 [ 50.307375][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.308169][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.308946][ T6744] kill_block_super+0x44/0x90 [ 50.309610][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.310211][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.310991][ T6744] deactivate_super+0xe0/0x100 [ 50.311694][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.312344][ T6744] __cleanup_mnt+0x20/0x30 [ 50.313002][ T6744] task_work_run+0x1dc/0x260 [ 50.313684][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.314488][ T6744] el0_svc+0x170/0x254 [ 50.315050][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.315846][ T6744] el0t_64_sync+0x198/0x19c [ 50.316482][ T6744] irq event stamp: 309964 [ 50.317100][ T6744] hardirqs last enabled at (309963): [] irqentry_exit+0xd8/0x108 [ 50.318470][ T6744] hardirqs last disabled at (309964): [] el1_brk64+0x20/0x54 [ 50.319741][ T6744] softirqs last enabled at (309684): [] local_bh_enable+0x10/0x34 [ 50.321041][ T6744] softirqs last disabled at (309682): [] local_bh_disable+0x10/0x34 [ 50.322332][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.324785][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.340076][ T7051] loop0: detected capacity change from 0 to 1024 [ 50.358977][ T7051] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 50.365450][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.365540][ T6744] ------------[ cut here ]------------ [ 50.365544][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.370253][ T6744] Modules linked in: [ 50.370850][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.372413][ T6744] Tainted: [W]=WARN [ 50.372989][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.374488][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.375685][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.376696][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.377651][ T6744] sp : ffff8000a56d7140 [ 50.378257][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41e95e0 x27: 1fffe0001c83d2bc [ 50.379549][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.380775][ T6744] x23: ffff0000e41e95b8 x22: 0000000000000000 x21: dfff800000000000 [ 50.382163][ T6744] x20: ffff0000cdae4068 x19: ffff0000cdae4000 x18: 1fffe000337db690 [ 50.383590][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 50.384932][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.386215][ T6744] x11: 000000000000600a x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.387476][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 50.388744][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 50.389957][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.391190][ T6744] Call trace: [ 50.391707][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.392744][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.393593][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.394525][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.395427][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.396294][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.397023][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.397861][ T6744] iput+0x358/0xad4 [ 50.398457][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.399239][ T6744] __dentry_kill+0x170/0x594 [ 50.399955][ T6744] shrink_kill+0xd4/0x2cc [ 50.400569][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.401319][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.402127][ T6744] do_one_tree+0x2c/0xf0 [ 50.402753][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.403570][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.404312][ T6744] kill_block_super+0x44/0x90 [ 50.404952][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.405576][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.406448][ T6744] deactivate_super+0xe0/0x100 [ 50.407132][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.407731][ T6744] __cleanup_mnt+0x20/0x30 [ 50.408384][ T6744] task_work_run+0x1dc/0x260 [ 50.409154][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.410040][ T6744] el0_svc+0x170/0x254 [ 50.410652][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.411404][ T6744] el0t_64_sync+0x198/0x19c [ 50.412097][ T6744] irq event stamp: 315614 [ 50.412819][ T6744] hardirqs last enabled at (315613): [] irqentry_exit+0xd8/0x108 [ 50.414297][ T6744] hardirqs last disabled at (315614): [] el1_brk64+0x20/0x54 [ 50.415620][ T6744] softirqs last enabled at (315314): [] local_bh_enable+0x10/0x34 [ 50.417012][ T6744] softirqs last disabled at (315312): [] local_bh_disable+0x10/0x34 [ 50.418404][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.421429][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.433493][ T7055] loop0: detected capacity change from 0 to 1024 [ 50.450326][ T7055] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 50.453828][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.453924][ T6744] ------------[ cut here ]------------ [ 50.453928][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.458798][ T6744] Modules linked in: [ 50.459358][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.460951][ T6744] Tainted: [W]=WARN [ 50.461486][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.463010][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.464189][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.465143][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.466169][ T6744] sp : ffff8000a56d7140 [ 50.466800][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e422d8d0 x27: 1fffe0001c845b1a [ 50.468024][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.469275][ T6744] x23: ffff0000e422d8a8 x22: 0000000000000000 x21: dfff800000000000 [ 50.470460][ T6744] x20: ffff0000d7796068 x19: ffff0000d7796000 x18: 1fffe000337db690 [ 50.471647][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 50.472856][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.474113][ T6744] x11: 0000000000006062 x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.475343][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 50.476528][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 50.477709][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.478895][ T6744] Call trace: [ 50.479358][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.480348][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.481096][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.482002][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.482801][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.483600][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.484328][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.485127][ T6744] iput+0x358/0xad4 [ 50.485678][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.486396][ T6744] __dentry_kill+0x170/0x594 [ 50.487092][ T6744] shrink_kill+0xd4/0x2cc [ 50.487730][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.488443][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.489215][ T6744] do_one_tree+0x2c/0xf0 [ 50.489867][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.490697][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.491537][ T6744] kill_block_super+0x44/0x90 [ 50.492220][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.492829][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.493629][ T6744] deactivate_super+0xe0/0x100 [ 50.494320][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.494985][ T6744] __cleanup_mnt+0x20/0x30 [ 50.495621][ T6744] task_work_run+0x1dc/0x260 [ 50.496306][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.497038][ T6744] el0_svc+0x170/0x254 [ 50.497662][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.498412][ T6744] el0t_64_sync+0x198/0x19c [ 50.499116][ T6744] irq event stamp: 320852 [ 50.499731][ T6744] hardirqs last enabled at (320851): [] irqentry_exit+0xd8/0x108 [ 50.501064][ T6744] hardirqs last disabled at (320852): [] el1_brk64+0x20/0x54 [ 50.502366][ T6744] softirqs last enabled at (320598): [] local_bh_enable+0x10/0x34 [ 50.503689][ T6744] softirqs last disabled at (320596): [] local_bh_disable+0x10/0x34 [ 50.505118][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.507557][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.519700][ T7059] loop0: detected capacity change from 0 to 1024 [ 50.529598][ T7059] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 50.533125][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.533216][ T6744] ------------[ cut here ]------------ [ 50.533221][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.537354][ T6744] Modules linked in: [ 50.537980][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.539640][ T6744] Tainted: [W]=WARN [ 50.540223][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.541721][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.542880][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.543859][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.544884][ T6744] sp : ffff8000a56d7140 [ 50.545573][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e42345b0 x27: 1fffe0001c8468b6 [ 50.546854][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.548106][ T6744] x23: ffff0000e4234588 x22: 0000000000000000 x21: dfff800000000000 [ 50.549343][ T6744] x20: ffff0000d7f58068 x19: ffff0000d7f58000 x18: 1fffe000337db690 [ 50.550502][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 50.551596][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.552804][ T6744] x11: 00000000000060bb x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.553963][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 50.555395][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 50.556723][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.558028][ T6744] Call trace: [ 50.558542][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.559588][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.560449][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.561337][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.562210][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.563077][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.563804][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.564656][ T6744] iput+0x358/0xad4 [ 50.565328][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.566184][ T6744] __dentry_kill+0x170/0x594 [ 50.566920][ T6744] shrink_kill+0xd4/0x2cc [ 50.567604][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.568413][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.569250][ T6744] do_one_tree+0x2c/0xf0 [ 50.569975][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.570791][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.571600][ T6744] kill_block_super+0x44/0x90 [ 50.572316][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.572952][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.573711][ T6744] deactivate_super+0xe0/0x100 [ 50.574413][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.575067][ T6744] __cleanup_mnt+0x20/0x30 [ 50.575731][ T6744] task_work_run+0x1dc/0x260 [ 50.576409][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.577221][ T6744] el0_svc+0x170/0x254 [ 50.577802][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.578551][ T6744] el0t_64_sync+0x198/0x19c [ 50.579204][ T6744] irq event stamp: 326124 [ 50.579802][ T6744] hardirqs last enabled at (326123): [] irqentry_exit+0xd8/0x108 [ 50.581156][ T6744] hardirqs last disabled at (326124): [] el1_brk64+0x20/0x54 [ 50.582506][ T6744] softirqs last enabled at (325838): [] local_bh_enable+0x10/0x34 [ 50.583938][ T6744] softirqs last disabled at (325836): [] local_bh_disable+0x10/0x34 [ 50.585389][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.589187][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.609603][ T7063] loop0: detected capacity change from 0 to 1024 [ 50.631484][ T7063] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 5 ** replaying previous printk message ** [ 50.634150][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.634243][ T6744] ------------[ cut here ]------------ [ 50.634247][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.639090][ T6744] Modules linked in: [ 50.639714][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.641381][ T6744] Tainted: [W]=WARN [ 50.641947][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.643488][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.644641][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.645661][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.646589][ T6744] sp : ffff8000a56d7140 [ 50.647204][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e423b290 x27: 1fffe0001c847652 [ 50.648317][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.649452][ T6744] x23: ffff0000e423b268 x22: 0000000000000000 x21: dfff800000000000 [ 50.650633][ T6744] x20: ffff0000db5c6068 x19: ffff0000db5c6000 x18: 1fffe000337db690 [ 50.651885][ T6744] x17: 6572203a34373431 x16: ffff800082dec008 x15: 0000000000000001 [ 50.653070][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.654320][ T6744] x11: 0000000000006114 x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.655625][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 50.656937][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 50.658214][ T6744] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.659474][ T6744] Call trace: [ 50.659995][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.660976][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.661756][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.662663][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.663447][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.664273][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.665005][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.665704][ T6744] iput+0x358/0xad4 [ 50.666329][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.667093][ T6744] __dentry_kill+0x170/0x594 [ 50.667750][ T6744] shrink_kill+0xd4/0x2cc [ 50.668413][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.669108][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.669916][ T6744] do_one_tree+0x2c/0xf0 [ 50.670590][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.671379][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.672183][ T6744] kill_block_super+0x44/0x90 [ 50.672866][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.673528][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.674284][ T6744] deactivate_super+0xe0/0x100 [ 50.675014][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.675644][ T6744] __cleanup_mnt+0x20/0x30 [ 50.676329][ T6744] task_work_run+0x1dc/0x260 [ 50.676988][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.677772][ T6744] el0_svc+0x170/0x254 [ 50.678381][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.679097][ T6744] el0t_64_sync+0x198/0x19c [ 50.679786][ T6744] irq event stamp: 333816 [ 50.680384][ T6744] hardirqs last enabled at (333815): [] irqentry_exit+0xd8/0x108 [ 50.681728][ T6744] hardirqs last disabled at (333816): [] el1_brk64+0x20/0x54 [ 50.683080][ T6744] softirqs last enabled at (333548): [] local_bh_enable+0x10/0x34 [ 50.684412][ T6744] softirqs last disabled at (333546): [] local_bh_disable+0x10/0x34 [ 50.685936][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.689760][ T6744] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 50.706161][ T7067] loop0: detected capacity change from 0 to 1024 [ 50.728177][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.730066][ T6744] ------------[ cut here ]------------ [ 50.730073][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.732382][ T6744] Modules linked in: [ 50.732966][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.734505][ T6744] Tainted: [W]=WARN [ 50.735023][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.736440][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.737717][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.738777][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.739794][ T6744] sp : ffff8000a56d7140 [ 50.740428][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e423d8d0 x27: 1fffe0001c847b1a [ 50.741612][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.742848][ T6744] x23: ffff0000e423d8a8 x22: 0000000000000000 x21: dfff800000000000 [ 50.744154][ T6744] x20: ffff0000d88d8068 x19: ffff0000d88d8000 x18: 1fffe000337dfe90 [ 50.745405][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 50.746678][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.747957][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.749205][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 50.750456][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 50.751739][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.753006][ T6744] Call trace: [ 50.753521][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.754556][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.755338][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.756240][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.757064][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.757839][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.758574][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.759352][ T6744] iput+0x358/0xad4 [ 50.759903][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.760705][ T6744] __dentry_kill+0x170/0x594 [ 50.761345][ T6744] shrink_kill+0xd4/0x2cc [ 50.762032][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.762824][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.763591][ T6744] do_one_tree+0x2c/0xf0 [ 50.764253][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.765107][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.765869][ T6744] kill_block_super+0x44/0x90 [ 50.766595][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.767252][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.768000][ T6744] deactivate_super+0xe0/0x100 [ 50.768729][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.769432][ T6744] __cleanup_mnt+0x20/0x30 [ 50.770060][ T6744] task_work_run+0x1dc/0x260 [ 50.770789][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.771602][ T6744] el0_svc+0x170/0x254 [ 50.772161][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.772952][ T6744] el0t_64_sync+0x198/0x19c [ 50.773615][ T6744] irq event stamp: 339708 [ 50.774278][ T6744] hardirqs last enabled at (339707): [] finish_lock_switch+0xb0/0x1c0 [ 50.775741][ T6744] hardirqs last disabled at (339708): [] el1_brk64+0x20/0x54 [ 50.777111][ T6744] softirqs last enabled at (339598): [] handle_softirqs+0xaf8/0xc88 [ 50.778523][ T6744] softirqs last disabled at (339453): [] __do_softirq+0x14/0x20 [ 50.779907][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.799179][ T7071] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.817784][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.817880][ T6744] ------------[ cut here ]------------ [ 50.817885][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.822550][ T6744] Modules linked in: [ 50.823126][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.824708][ T6744] Tainted: [W]=WARN [ 50.825283][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.826661][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.827837][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.828768][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.829746][ T6744] sp : ffff8000a56d7140 [ 50.830333][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4242900 x27: 1fffe0001c848520 [ 50.831467][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.832602][ T6744] x23: ffff0000e42428d8 x22: 0000000000000000 x21: dfff800000000000 [ 50.833813][ T6744] x20: ffff0000d8a8c068 x19: ffff0000d8a8c000 x18: 1fffe000337db690 [ 50.834991][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 50.836200][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.837409][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.838630][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 50.839795][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 50.841007][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.842215][ T6744] Call trace: [ 50.842672][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.843636][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.844409][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.845241][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.846066][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.846861][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.847544][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.848313][ T6744] iput+0x358/0xad4 [ 50.848894][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.849647][ T6744] __dentry_kill+0x170/0x594 [ 50.850324][ T6744] shrink_kill+0xd4/0x2cc [ 50.850949][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.851690][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.852457][ T6744] do_one_tree+0x2c/0xf0 [ 50.853095][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.853855][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.854663][ T6744] kill_block_super+0x44/0x90 [ 50.855382][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.856018][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.856854][ T6744] deactivate_super+0xe0/0x100 [ 50.857572][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.858233][ T6744] __cleanup_mnt+0x20/0x30 [ 50.858920][ T6744] task_work_run+0x1dc/0x260 [ 50.859598][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.860333][ T6744] el0_svc+0x170/0x254 [ 50.860942][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.861722][ T6744] el0t_64_sync+0x198/0x19c [ 50.862388][ T6744] irq event stamp: 346080 [ 50.863007][ T6744] hardirqs last enabled at (346079): [] irqentry_exit+0xd8/0x108 [ 50.864288][ T6744] hardirqs last disabled at (346080): [] el1_brk64+0x20/0x54 [ 50.865467][ T6744] softirqs last enabled at (346040): [] handle_softirqs+0xaf8/0xc88 [ 50.866808][ T6744] softirqs last disabled at (346013): [] __do_softirq+0x14/0x20 [ 50.868127][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.884433][ T7075] loop0: detected capacity change from 0 to 1024 [ 50.906383][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.906472][ T6744] ------------[ cut here ]------------ [ 50.906477][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.910856][ T6744] Modules linked in: [ 50.911461][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.913174][ T6744] Tainted: [W]=WARN [ 50.913746][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.915240][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.916426][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.917368][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.918340][ T6744] sp : ffff8000a56d7140 [ 50.918981][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c16f58d0 x27: 1fffe000182deb1a [ 50.920128][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.921317][ T6744] x23: ffff0000c16f58a8 x22: 0000000000000000 x21: dfff800000000000 [ 50.922514][ T6744] x20: ffff0000dc30e068 x19: ffff0000dc30e000 x18: 1fffe000337dfe90 [ 50.923666][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 50.924839][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 50.926032][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 50.927131][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 50.928377][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 50.929608][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.930840][ T6744] Call trace: [ 50.931315][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 50.932308][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 50.933106][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.933996][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.934805][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.935663][ T6744] ext4_dirty_inode+0xd4/0x104 [ 50.936394][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 50.937187][ T6744] iput+0x358/0xad4 [ 50.937715][ T6744] dentry_unlink_inode+0x384/0x45c [ 50.938428][ T6744] __dentry_kill+0x170/0x594 [ 50.939110][ T6744] shrink_kill+0xd4/0x2cc [ 50.939750][ T6744] shrink_dentry_list+0x31c/0x6cc [ 50.940517][ T6744] shrink_dcache_parent+0xac/0x27c [ 50.941286][ T6744] do_one_tree+0x2c/0xf0 [ 50.941934][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 50.942787][ T6744] generic_shutdown_super+0x68/0x2b8 [ 50.943546][ T6744] kill_block_super+0x44/0x90 [ 50.944268][ T6744] ext4_kill_sb+0x68/0xa4 [ 50.944907][ T6744] deactivate_locked_super+0xc4/0x12c [ 50.945747][ T6744] deactivate_super+0xe0/0x100 [ 50.946459][ T6744] cleanup_mnt+0x31c/0x3ac [ 50.947139][ T6744] __cleanup_mnt+0x20/0x30 [ 50.947805][ T6744] task_work_run+0x1dc/0x260 [ 50.948512][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 50.949262][ T6744] el0_svc+0x170/0x254 [ 50.949876][ T6744] el0t_64_sync_handler+0x84/0x12c [ 50.950663][ T6744] el0t_64_sync+0x198/0x19c [ 50.951365][ T6744] irq event stamp: 351302 [ 50.951985][ T6744] hardirqs last enabled at (351301): [] irqentry_exit+0xd8/0x108 [ 50.953413][ T6744] hardirqs last disabled at (351302): [] el1_brk64+0x20/0x54 [ 50.954727][ T6744] softirqs last enabled at (351032): [] local_bh_enable+0x10/0x34 [ 50.956352][ T6744] softirqs last disabled at (351030): [] local_bh_disable+0x10/0x34 [ 50.957870][ T6744] ---[ end trace 0000000000000000 ]--- [ 50.973849][ T7079] loop0: detected capacity change from 0 to 1024 [ 50.983052][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 50.985020][ T6744] ------------[ cut here ]------------ [ 50.985027][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.987302][ T6744] Modules linked in: [ 50.987891][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.989556][ T6744] Tainted: [W]=WARN [ 50.990121][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.991732][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.992946][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.993923][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 50.994926][ T6744] sp : ffff8000a56d7140 [ 50.995532][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40ac5b0 x27: 1fffe0001c8158b6 [ 50.996915][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 50.998144][ T6744] x23: ffff0000e40ac588 x22: 0000000000000000 x21: dfff800000000000 [ 50.999359][ T6744] x20: ffff0000c43c0068 x19: ffff0000c43c0000 x18: 1fffe000337dfe90 [ 51.000588][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 51.001816][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.002971][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.004165][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 51.005552][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 51.006869][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.008218][ T6744] Call trace: [ 51.008744][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.009761][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.010576][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.011469][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.012291][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.013172][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.013901][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.014679][ T6744] iput+0x358/0xad4 [ 51.015298][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.016073][ T6744] __dentry_kill+0x170/0x594 [ 51.016805][ T6744] shrink_kill+0xd4/0x2cc [ 51.017466][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.018254][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.019023][ T6744] do_one_tree+0x2c/0xf0 [ 51.019678][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.020564][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.021342][ T6744] kill_block_super+0x44/0x90 [ 51.022078][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.022740][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.023538][ T6744] deactivate_super+0xe0/0x100 [ 51.024231][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.024851][ T6744] __cleanup_mnt+0x20/0x30 [ 51.025505][ T6744] task_work_run+0x1dc/0x260 [ 51.026215][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.026981][ T6744] el0_svc+0x170/0x254 [ 51.027592][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.028353][ T6744] el0t_64_sync+0x198/0x19c [ 51.029029][ T6744] irq event stamp: 355954 [ 51.029643][ T6744] hardirqs last enabled at (355953): [] finish_lock_switch+0xb0/0x1c0 [ 51.031082][ T6744] hardirqs last disabled at (355954): [] el1_brk64+0x20/0x54 [ 51.032375][ T6744] softirqs last enabled at (355778): [] local_bh_enable+0x10/0x34 [ 51.033726][ T6744] softirqs last disabled at (355776): [] local_bh_disable+0x10/0x34 [ 51.035171][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.048359][ T53] Bluetooth: hci0: command tx timeout [ 51.053134][ T7083] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 51.062781][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.062885][ T6744] ------------[ cut here ]------------ [ 51.062889][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.067605][ T6744] Modules linked in: [ 51.068204][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.069883][ T6744] Tainted: [W]=WARN [ 51.070459][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.072048][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.073169][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.074113][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.075132][ T6744] sp : ffff8000a56d7140 [ 51.075789][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41f0c50 x27: 1fffe0001c83e18a [ 51.076945][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.078145][ T6744] x23: ffff0000e41f0c28 x22: 0000000000000000 x21: dfff800000000000 [ 51.079375][ T6744] x20: ffff0000cefcc068 x19: ffff0000cefcc000 x18: 1fffe000337dfe90 [ 51.080622][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 51.081848][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.082973][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.084164][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 51.085414][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 51.086620][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.087855][ T6744] Call trace: [ 51.088404][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.089370][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.090174][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.091085][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.091870][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.092674][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.093387][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.094143][ T6744] iput+0x358/0xad4 [ 51.094723][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.095479][ T6744] __dentry_kill+0x170/0x594 [ 51.096147][ T6744] shrink_kill+0xd4/0x2cc [ 51.096835][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.097596][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.098337][ T6744] do_one_tree+0x2c/0xf0 [ 51.098948][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.099810][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.100578][ T6744] kill_block_super+0x44/0x90 [ 51.101271][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.101908][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.102690][ T6744] deactivate_super+0xe0/0x100 [ 51.103455][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.104108][ T6744] __cleanup_mnt+0x20/0x30 [ 51.104737][ T6744] task_work_run+0x1dc/0x260 [ 51.105384][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.106107][ T6744] el0_svc+0x170/0x254 [ 51.106693][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.107452][ T6744] el0t_64_sync+0x198/0x19c [ 51.108179][ T6744] irq event stamp: 361798 [ 51.108867][ T6744] hardirqs last enabled at (361797): [] irqentry_exit+0xd8/0x108 [ 51.110348][ T6744] hardirqs last disabled at (361798): [] el1_brk64+0x20/0x54 [ 51.111719][ T6744] softirqs last enabled at (361536): [] local_bh_enable+0x10/0x34 [ 51.113347][ T6744] softirqs last disabled at (361534): [] local_bh_disable+0x10/0x34 [ 51.114842][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.141755][ T7087] loop0: detected capacity change from 0 to 1024 [ 51.152361][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.154266][ T6744] ------------[ cut here ]------------ [ 51.154274][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.156735][ T6744] Modules linked in: [ 51.157355][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.159037][ T6744] Tainted: [W]=WARN [ 51.159614][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.161086][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.162214][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.163172][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.164118][ T6744] sp : ffff8000a56d7140 [ 51.164718][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce5f580 x27: 1fffe0001b9cbeb0 [ 51.165989][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.167143][ T6744] x23: ffff0000dce5f558 x22: 0000000000000000 x21: dfff800000000000 [ 51.168280][ T6744] x20: ffff0000c6b14068 x19: ffff0000c6b14000 x18: 1fffe000337db690 [ 51.169454][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 51.170631][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.171845][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.173009][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 51.174190][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 51.175314][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.176528][ T6744] Call trace: [ 51.177026][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.178001][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.178839][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.179629][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.180488][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.181317][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.181973][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.182726][ T6744] iput+0x358/0xad4 [ 51.183318][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.184059][ T6744] __dentry_kill+0x170/0x594 [ 51.184763][ T6744] shrink_kill+0xd4/0x2cc [ 51.185380][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.186130][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.186876][ T6744] do_one_tree+0x2c/0xf0 [ 51.187519][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.188302][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.189009][ T6744] kill_block_super+0x44/0x90 [ 51.189731][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.190459][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.191283][ T6744] deactivate_super+0xe0/0x100 [ 51.191921][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.192593][ T6744] __cleanup_mnt+0x20/0x30 [ 51.193189][ T6744] task_work_run+0x1dc/0x260 [ 51.193855][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.194636][ T6744] el0_svc+0x170/0x254 [ 51.195290][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.196207][ T6744] el0t_64_sync+0x198/0x19c [ 51.196983][ T6744] irq event stamp: 368060 [ 51.197682][ T6744] hardirqs last enabled at (368059): [] finish_lock_switch+0xb0/0x1c0 [ 51.199197][ T6744] hardirqs last disabled at (368060): [] el1_brk64+0x20/0x54 [ 51.200659][ T6744] softirqs last enabled at (367796): [] local_bh_enable+0x10/0x34 [ 51.202162][ T6744] softirqs last disabled at (367794): [] local_bh_disable+0x10/0x34 [ 51.203701][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.229224][ T7091] loop0: detected capacity change from 0 to 1024 [ 51.251995][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.252081][ T6744] ------------[ cut here ]------------ [ 51.252086][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.256217][ T6744] Modules linked in: [ 51.256789][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.258332][ T6744] Tainted: [W]=WARN [ 51.258900][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.260354][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.261594][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.262528][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.263511][ T6744] sp : ffff8000a56d7140 [ 51.264178][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41f4f40 x27: 1fffe0001c83e9e8 [ 51.265402][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.266641][ T6744] x23: ffff0000e41f4f18 x22: 0000000000000000 x21: dfff800000000000 [ 51.267814][ T6744] x20: ffff0000c7398068 x19: ffff0000c7398000 x18: 1fffe000337db690 [ 51.269059][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 51.270241][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.271379][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.272607][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 51.273834][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 51.275021][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.276218][ T6744] Call trace: [ 51.276718][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.277647][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.278423][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.279336][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.280132][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.280913][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.281610][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.282360][ T6744] iput+0x358/0xad4 [ 51.282908][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.283667][ T6744] __dentry_kill+0x170/0x594 [ 51.284370][ T6744] shrink_kill+0xd4/0x2cc [ 51.284987][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.285723][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.286430][ T6744] do_one_tree+0x2c/0xf0 [ 51.287014][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.287793][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.288597][ T6744] kill_block_super+0x44/0x90 [ 51.289298][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.289978][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.290783][ T6744] deactivate_super+0xe0/0x100 [ 51.291475][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.292114][ T6744] __cleanup_mnt+0x20/0x30 [ 51.292751][ T6744] task_work_run+0x1dc/0x260 [ 51.293422][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.294323][ T6744] el0_svc+0x170/0x254 [ 51.295010][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.295868][ T6744] el0t_64_sync+0x198/0x19c [ 51.296588][ T6744] irq event stamp: 373700 [ 51.297285][ T6744] hardirqs last enabled at (373699): [] irqentry_exit+0xd8/0x108 [ 51.298799][ T6744] hardirqs last disabled at (373700): [] el1_brk64+0x20/0x54 [ 51.300202][ T6744] softirqs last enabled at (373410): [] local_bh_enable+0x10/0x34 [ 51.301663][ T6744] softirqs last disabled at (373408): [] local_bh_disable+0x10/0x34 [ 51.303125][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.317525][ T7095] loop0: detected capacity change from 0 to 1024 [ 51.343930][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.344021][ T6744] ------------[ cut here ]------------ [ 51.344027][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.348229][ T6744] Modules linked in: [ 51.348828][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.350472][ T6744] Tainted: [W]=WARN [ 51.351055][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.352538][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.353687][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.354615][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.355571][ T6744] sp : ffff8000a56d7140 [ 51.356171][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40b8c50 x27: 1fffe0001c81718a [ 51.357321][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.358516][ T6744] x23: ffff0000e40b8c28 x22: 0000000000000000 x21: dfff800000000000 [ 51.359706][ T6744] x20: ffff0000c7c26068 x19: ffff0000c7c26000 x18: 1fffe000337db690 [ 51.360834][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 51.361960][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.363200][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.364477][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 51.365685][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 51.366894][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.368094][ T6744] Call trace: [ 51.368595][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.369553][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.370276][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.371112][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.372000][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.372829][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.373507][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.374237][ T6744] iput+0x358/0xad4 [ 51.374800][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.375530][ T6744] __dentry_kill+0x170/0x594 [ 51.376187][ T6744] shrink_kill+0xd4/0x2cc [ 51.376792][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.377516][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.378223][ T6744] do_one_tree+0x2c/0xf0 [ 51.378850][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.379707][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.380495][ T6744] kill_block_super+0x44/0x90 [ 51.381188][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.381795][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.382614][ T6744] deactivate_super+0xe0/0x100 [ 51.383373][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.384061][ T6744] __cleanup_mnt+0x20/0x30 [ 51.384692][ T6744] task_work_run+0x1dc/0x260 [ 51.385401][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.386171][ T6744] el0_svc+0x170/0x254 [ 51.386759][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.387505][ T6744] el0t_64_sync+0x198/0x19c [ 51.388219][ T6744] irq event stamp: 379082 [ 51.388877][ T6744] hardirqs last enabled at (379081): [] irqentry_exit+0xd8/0x108 [ 51.390233][ T6744] hardirqs last disabled at (379082): [] el1_brk64+0x20/0x54 [ 51.391482][ T6744] softirqs last enabled at (378784): [] local_bh_enable+0x10/0x34 [ 51.392970][ T6744] softirqs last disabled at (378782): [] local_bh_disable+0x10/0x34 [ 51.394339][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.409414][ T7099] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 51.438493][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.438591][ T6744] ------------[ cut here ]------------ [ 51.438594][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.443027][ T6744] Modules linked in: [ 51.443673][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.445138][ T6744] Tainted: [W]=WARN [ 51.445639][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.446979][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.448014][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.449002][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.449938][ T6744] sp : ffff8000a56d7140 [ 51.450564][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40cf580 x27: 1fffe0001c819eb0 [ 51.451745][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.452898][ T6744] x23: ffff0000e40cf558 x22: 0000000000000000 x21: dfff800000000000 [ 51.454079][ T6744] x20: ffff0000c7ac6068 x19: ffff0000c7ac6000 x18: 0000000000000000 [ 51.455284][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 51.456522][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.457740][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.458978][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 51.460176][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 51.461364][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.462566][ T6744] Call trace: [ 51.463063][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.464091][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.464845][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.465729][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.466582][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.467351][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.467993][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.468767][ T6744] iput+0x358/0xad4 [ 51.469309][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.470058][ T6744] __dentry_kill+0x170/0x594 [ 51.470728][ T6744] shrink_kill+0xd4/0x2cc [ 51.471379][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.472140][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.472859][ T6744] do_one_tree+0x2c/0xf0 [ 51.473452][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.474269][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.475024][ T6744] kill_block_super+0x44/0x90 [ 51.475663][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.476374][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.477280][ T6744] deactivate_super+0xe0/0x100 [ 51.478068][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.478778][ T6744] __cleanup_mnt+0x20/0x30 [ 51.479473][ T6744] task_work_run+0x1dc/0x260 [ 51.480188][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.481006][ T6744] el0_svc+0x170/0x254 [ 51.481665][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.482424][ T6744] el0t_64_sync+0x198/0x19c [ 51.483140][ T6744] irq event stamp: 384782 [ 51.483782][ T6744] hardirqs last enabled at (384781): [] irqentry_exit+0xd8/0x108 [ 51.485145][ T6744] hardirqs last disabled at (384782): [] el1_brk64+0x20/0x54 [ 51.486450][ T6744] softirqs last enabled at (384490): [] local_bh_enable+0x10/0x34 [ 51.487845][ T6744] softirqs last disabled at (384488): [] local_bh_disable+0x10/0x34 [ 51.489251][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.503104][ T7103] loop0: detected capacity change from 0 to 1024 [ 51.521350][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.523230][ T6744] ------------[ cut here ]------------ [ 51.523237][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.525600][ T6744] Modules linked in: [ 51.526201][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.527770][ T6744] Tainted: [W]=WARN [ 51.528374][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.529965][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.531141][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.532114][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.533108][ T6744] sp : ffff8000a56d7140 [ 51.533744][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e408bc20 x27: 1fffe0001c811784 [ 51.534982][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.536280][ T6744] x23: ffff0000e408bbf8 x22: 0000000000000000 x21: dfff800000000000 [ 51.537528][ T6744] x20: ffff0000dc16a068 x19: ffff0000dc16a000 x18: 1fffe000337dfe90 [ 51.538780][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 51.540043][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.541261][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.542481][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 51.543695][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 51.544883][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.546043][ T6744] Call trace: [ 51.546490][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.547369][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.548134][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.548989][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.549782][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.550586][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.551252][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.551994][ T6744] iput+0x358/0xad4 [ 51.552595][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.553350][ T6744] __dentry_kill+0x170/0x594 [ 51.553972][ T6744] shrink_kill+0xd4/0x2cc [ 51.554611][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.555346][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.556141][ T6744] do_one_tree+0x2c/0xf0 [ 51.556754][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.557560][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.558320][ T6744] kill_block_super+0x44/0x90 [ 51.558986][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.559606][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.560376][ T6744] deactivate_super+0xe0/0x100 [ 51.561101][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.561734][ T6744] __cleanup_mnt+0x20/0x30 [ 51.562385][ T6744] task_work_run+0x1dc/0x260 [ 51.563075][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.563876][ T6744] el0_svc+0x170/0x254 [ 51.564471][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.565220][ T6744] el0t_64_sync+0x198/0x19c [ 51.565881][ T6744] irq event stamp: 390460 [ 51.566533][ T6744] hardirqs last enabled at (390459): [] finish_lock_switch+0xb0/0x1c0 [ 51.567984][ T6744] hardirqs last disabled at (390460): [] el1_brk64+0x20/0x54 [ 51.569291][ T6744] softirqs last enabled at (390308): [] local_bh_enable+0x10/0x34 [ 51.570711][ T6744] softirqs last disabled at (390306): [] local_bh_disable+0x10/0x34 [ 51.572136][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.589416][ T7107] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 51.616879][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.616972][ T6744] ------------[ cut here ]------------ [ 51.616977][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.621792][ T6744] Modules linked in: [ 51.622376][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.623913][ T6744] Tainted: [W]=WARN [ 51.624507][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.625961][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.627130][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.628053][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.629009][ T6744] sp : ffff8000a56d7140 [ 51.629582][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40bf580 x27: 1fffe0001c817eb0 [ 51.630764][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.631914][ T6744] x23: ffff0000e40bf558 x22: 0000000000000000 x21: dfff800000000000 [ 51.633082][ T6744] x20: ffff0000c98c6068 x19: ffff0000c98c6000 x18: 1fffe000337db690 [ 51.634229][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 51.635407][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.636587][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.637766][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 51.638907][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 51.640154][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.641264][ T6744] Call trace: [ 51.641708][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.642675][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.643463][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.644279][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.645154][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.646002][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.646715][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.647451][ T6744] iput+0x358/0xad4 [ 51.648008][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.648744][ T6744] __dentry_kill+0x170/0x594 [ 51.649391][ T6744] shrink_kill+0xd4/0x2cc [ 51.650034][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.650784][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.651524][ T6744] do_one_tree+0x2c/0xf0 [ 51.652095][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.652870][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.653577][ T6744] kill_block_super+0x44/0x90 [ 51.654307][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.654950][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.655729][ T6744] deactivate_super+0xe0/0x100 [ 51.656423][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.657098][ T6744] __cleanup_mnt+0x20/0x30 [ 51.657801][ T6744] task_work_run+0x1dc/0x260 [ 51.658439][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.659236][ T6744] el0_svc+0x170/0x254 [ 51.659863][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.660652][ T6744] el0t_64_sync+0x198/0x19c [ 51.661293][ T6744] irq event stamp: 396984 [ 51.661920][ T6744] hardirqs last enabled at (396983): [] irqentry_exit+0xd8/0x108 [ 51.663290][ T6744] hardirqs last disabled at (396984): [] el1_brk64+0x20/0x54 [ 51.664653][ T6744] softirqs last enabled at (396682): [] local_bh_enable+0x10/0x34 [ 51.665991][ T6744] softirqs last disabled at (396680): [] local_bh_disable+0x10/0x34 [ 51.667398][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.687524][ T7111] loop0: detected capacity change from 0 to 1024 [ 51.704787][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.706735][ T6744] ------------[ cut here ]------------ [ 51.706742][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.709195][ T6744] Modules linked in: [ 51.709796][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.711401][ T6744] Tainted: [W]=WARN [ 51.711960][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.713435][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.714544][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.715521][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.716491][ T6744] sp : ffff8000a56d7140 [ 51.717072][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40b45b0 x27: 1fffe0001c8168b6 [ 51.718246][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.719488][ T6744] x23: ffff0000e40b4588 x22: 0000000000000000 x21: dfff800000000000 [ 51.720667][ T6744] x20: ffff0000cac28068 x19: ffff0000cac28000 x18: 1fffe000337dfe90 [ 51.721882][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 51.723057][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.724243][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.725470][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 51.726663][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 51.727901][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.729106][ T6744] Call trace: [ 51.729580][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.730452][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.731279][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.732176][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.733022][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.733844][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.734566][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.735357][ T6744] iput+0x358/0xad4 [ 51.735943][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.736773][ T6744] __dentry_kill+0x170/0x594 [ 51.737483][ T6744] shrink_kill+0xd4/0x2cc [ 51.738032][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.738751][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.739507][ T6744] do_one_tree+0x2c/0xf0 [ 51.740153][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.740886][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.741700][ T6744] kill_block_super+0x44/0x90 [ 51.742392][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.743021][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.743832][ T6744] deactivate_super+0xe0/0x100 [ 51.744567][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.745175][ T6744] __cleanup_mnt+0x20/0x30 [ 51.745843][ T6744] task_work_run+0x1dc/0x260 [ 51.746516][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.747265][ T6744] el0_svc+0x170/0x254 [ 51.747833][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.748508][ T6744] el0t_64_sync+0x198/0x19c [ 51.749093][ T6744] irq event stamp: 403186 [ 51.749716][ T6744] hardirqs last enabled at (403185): [] finish_lock_switch+0xb0/0x1c0 [ 51.751086][ T6744] hardirqs last disabled at (403186): [] el1_brk64+0x20/0x54 [ 51.752348][ T6744] softirqs last enabled at (402824): [] local_bh_enable+0x10/0x34 [ 51.753740][ T6744] softirqs last disabled at (402822): [] local_bh_disable+0x10/0x34 [ 51.755142][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.775311][ T7115] loop0: detected capacity change from 0 to 1024 [ 51.799584][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.808899][ T6744] ------------[ cut here ]------------ [ 51.808909][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.811500][ T6744] Modules linked in: [ 51.812047][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.813645][ T6744] Tainted: [W]=WARN [ 51.814224][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.815679][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.816810][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.817764][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.818716][ T6744] sp : ffff8000a56d7140 [ 51.819330][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4093290 x27: 1fffe0001c812652 [ 51.820489][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.821683][ T6744] x23: ffff0000e4093268 x22: 0000000000000000 x21: dfff800000000000 [ 51.822817][ T6744] x20: ffff0000cb340068 x19: ffff0000cb340000 x18: 1fffe000337db690 [ 51.824015][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 51.825153][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.826345][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.827488][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 51.828644][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 51.829890][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.831101][ T6744] Call trace: [ 51.831579][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.832534][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.833337][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.834161][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.834973][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.835796][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.836484][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.837248][ T6744] iput+0x358/0xad4 [ 51.837788][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.838449][ T6744] __dentry_kill+0x170/0x594 [ 51.839110][ T6744] shrink_kill+0xd4/0x2cc [ 51.839729][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.840528][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.841211][ T6744] do_one_tree+0x2c/0xf0 [ 51.841795][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.842649][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.843412][ T6744] kill_block_super+0x44/0x90 [ 51.844046][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.844674][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.845457][ T6744] deactivate_super+0xe0/0x100 [ 51.846139][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.846739][ T6744] __cleanup_mnt+0x20/0x30 [ 51.847374][ T6744] task_work_run+0x1dc/0x260 [ 51.848010][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.848734][ T6744] el0_svc+0x170/0x254 [ 51.849276][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.849955][ T6744] el0t_64_sync+0x198/0x19c [ 51.850572][ T6744] irq event stamp: 409248 [ 51.851182][ T6744] hardirqs last enabled at (409247): [] finish_lock_switch+0xb0/0x1c0 [ 51.852543][ T6744] hardirqs last disabled at (409248): [] el1_brk64+0x20/0x54 [ 51.853761][ T6744] softirqs last enabled at (409076): [] local_bh_enable+0x10/0x34 [ 51.855138][ T6744] softirqs last disabled at (409074): [] local_bh_disable+0x10/0x34 [ 51.856515][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.873510][ T7119] loop0: detected capacity change from 0 to 1024 1970/01/01 00:00:51 executed programs: 47 [ 51.904870][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 51.904974][ T6744] ------------[ cut here ]------------ [ 51.904980][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.909358][ T6744] Modules linked in: [ 51.909954][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.911613][ T6744] Tainted: [W]=WARN [ 51.912232][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.913768][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.914919][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.915968][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 51.916979][ T6744] sp : ffff8000a56d7140 [ 51.917602][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40945b0 x27: 1fffe0001c8128b6 [ 51.918832][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 51.920022][ T6744] x23: ffff0000e4094588 x22: 0000000000000000 x21: dfff800000000000 [ 51.921225][ T6744] x20: ffff0000e1ba2068 x19: ffff0000e1ba2000 x18: 1fffe000337dfe90 [ 51.922503][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 51.923758][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 51.925039][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 51.926352][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 51.927618][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 51.928907][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.930253][ T6744] Call trace: [ 51.930796][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 51.931773][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 51.932541][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.933546][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.934460][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.935356][ T6744] ext4_dirty_inode+0xd4/0x104 [ 51.936132][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 51.936938][ T6744] iput+0x358/0xad4 [ 51.937568][ T6744] dentry_unlink_inode+0x384/0x45c [ 51.938363][ T6744] __dentry_kill+0x170/0x594 [ 51.939087][ T6744] shrink_kill+0xd4/0x2cc [ 51.939788][ T6744] shrink_dentry_list+0x31c/0x6cc [ 51.940605][ T6744] shrink_dcache_parent+0xac/0x27c [ 51.941425][ T6744] do_one_tree+0x2c/0xf0 [ 51.942107][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 51.942978][ T6744] generic_shutdown_super+0x68/0x2b8 [ 51.943833][ T6744] kill_block_super+0x44/0x90 [ 51.944555][ T6744] ext4_kill_sb+0x68/0xa4 [ 51.945186][ T6744] deactivate_locked_super+0xc4/0x12c [ 51.946030][ T6744] deactivate_super+0xe0/0x100 [ 51.946814][ T6744] cleanup_mnt+0x31c/0x3ac [ 51.947491][ T6744] __cleanup_mnt+0x20/0x30 [ 51.948172][ T6744] task_work_run+0x1dc/0x260 [ 51.948825][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 51.949654][ T6744] el0_svc+0x170/0x254 [ 51.950252][ T6744] el0t_64_sync_handler+0x84/0x12c [ 51.951025][ T6744] el0t_64_sync+0x198/0x19c [ 51.951788][ T6744] irq event stamp: 415322 [ 51.952452][ T6744] hardirqs last enabled at (415321): [] irqentry_exit+0xd8/0x108 [ 51.953817][ T6744] hardirqs last disabled at (415322): [] el1_brk64+0x20/0x54 [ 51.955327][ T6744] softirqs last enabled at (414986): [] local_bh_enable+0x10/0x34 [ 51.956770][ T6744] softirqs last disabled at (414984): [] local_bh_disable+0x10/0x34 [ 51.958214][ T6744] ---[ end trace 0000000000000000 ]--- [ 51.974144][ T7123] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 52.003900][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.003997][ T6744] ------------[ cut here ]------------ [ 52.004001][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.008706][ T6744] Modules linked in: [ 52.009292][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.010865][ T6744] Tainted: [W]=WARN [ 52.011440][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.012918][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.014000][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.014943][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.015911][ T6744] sp : ffff8000a56d7140 [ 52.016547][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41f8c50 x27: 1fffe0001c83f18a [ 52.017663][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.018895][ T6744] x23: ffff0000e41f8c28 x22: 0000000000000000 x21: dfff800000000000 [ 52.020099][ T6744] x20: ffff0000ccf86068 x19: ffff0000ccf86000 x18: 1fffe000337dfe90 [ 52.021304][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 52.022447][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.023635][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.024810][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 52.026021][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 52.027205][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.028351][ T6744] Call trace: [ 52.028816][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.029813][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.030576][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.031434][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.032271][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.033060][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.033715][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.034468][ T6744] iput+0x358/0xad4 [ 52.035125][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.035877][ T6744] __dentry_kill+0x170/0x594 [ 52.036515][ T6744] shrink_kill+0xd4/0x2cc [ 52.037128][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.037872][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.038621][ T6744] do_one_tree+0x2c/0xf0 [ 52.039265][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.040064][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.040872][ T6744] kill_block_super+0x44/0x90 [ 52.041569][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.042156][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.042953][ T6744] deactivate_super+0xe0/0x100 [ 52.043665][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.044288][ T6744] __cleanup_mnt+0x20/0x30 [ 52.044968][ T6744] task_work_run+0x1dc/0x260 [ 52.045632][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.046467][ T6744] el0_svc+0x170/0x254 [ 52.047092][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.047908][ T6744] el0t_64_sync+0x198/0x19c [ 52.048569][ T6744] irq event stamp: 421330 [ 52.049158][ T6744] hardirqs last enabled at (421329): [] irqentry_exit+0xd8/0x108 [ 52.050514][ T6744] hardirqs last disabled at (421330): [] el1_brk64+0x20/0x54 [ 52.051754][ T6744] softirqs last enabled at (421180): [] local_bh_enable+0x10/0x34 [ 52.053244][ T6744] softirqs last disabled at (421178): [] local_bh_disable+0x10/0x34 [ 52.054786][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.069318][ T7127] loop0: detected capacity change from 0 to 1024 [ 52.096470][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.096572][ T6744] ------------[ cut here ]------------ [ 52.096578][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.100968][ T6744] Modules linked in: [ 52.101557][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.103247][ T6744] Tainted: [W]=WARN [ 52.103818][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.105371][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.106520][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.107436][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.108393][ T6744] sp : ffff8000a56d7140 [ 52.108981][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41febf0 x27: 1fffe0001c83fd7e [ 52.110168][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.111394][ T6744] x23: ffff0000e41febc8 x22: 0000000000000000 x21: dfff800000000000 [ 52.112536][ T6744] x20: ffff0000d9fac068 x19: ffff0000d9fac000 x18: 1fffe000337db690 [ 52.113738][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 52.114918][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.116127][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.117253][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 52.118466][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 52.119637][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.120809][ T6744] Call trace: [ 52.121291][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.122217][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.122943][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.123842][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.124622][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.125344][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.126007][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.126744][ T6744] iput+0x358/0xad4 [ 52.127278][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.127982][ T6744] __dentry_kill+0x170/0x594 [ 52.128630][ T6744] shrink_kill+0xd4/0x2cc [ 52.129265][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.129980][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.130700][ T6744] do_one_tree+0x2c/0xf0 [ 52.131308][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.132092][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.132852][ T6744] kill_block_super+0x44/0x90 [ 52.133497][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.134080][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.134850][ T6744] deactivate_super+0xe0/0x100 [ 52.135537][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.136173][ T6744] __cleanup_mnt+0x20/0x30 [ 52.136790][ T6744] task_work_run+0x1dc/0x260 [ 52.137414][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.138159][ T6744] el0_svc+0x170/0x254 [ 52.138760][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.139521][ T6744] el0t_64_sync+0x198/0x19c [ 52.140136][ T6744] irq event stamp: 426706 [ 52.140714][ T6744] hardirqs last enabled at (426705): [] irqentry_exit+0xd8/0x108 [ 52.142023][ T6744] hardirqs last disabled at (426706): [] el1_brk64+0x20/0x54 [ 52.143329][ T6744] softirqs last enabled at (426434): [] local_bh_enable+0x10/0x34 [ 52.144645][ T6744] softirqs last disabled at (426432): [] local_bh_disable+0x10/0x34 [ 52.145969][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.163038][ T7131] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 52.176943][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.177050][ T6744] ------------[ cut here ]------------ [ 52.177054][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.181882][ T6744] Modules linked in: [ 52.182490][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.184098][ T6744] Tainted: [W]=WARN [ 52.184657][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.186193][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.187365][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.188301][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.189190][ T6744] sp : ffff8000a56d7140 [ 52.189806][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4203290 x27: 1fffe0001c840652 [ 52.191002][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.192290][ T6744] x23: ffff0000e4203268 x22: 0000000000000000 x21: dfff800000000000 [ 52.193520][ T6744] x20: ffff0000d8114068 x19: ffff0000d8114000 x18: 1fffe000337dfe90 [ 52.194788][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 52.196041][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.197350][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.198562][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 52.199829][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 52.200966][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.202160][ T6744] Call trace: [ 52.202682][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.203585][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.204342][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.205122][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.205907][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.206694][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.207423][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.208184][ T6744] iput+0x358/0xad4 [ 52.208734][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.209459][ T6744] __dentry_kill+0x170/0x594 [ 52.210131][ T6744] shrink_kill+0xd4/0x2cc [ 52.210801][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.211474][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.212218][ T6744] do_one_tree+0x2c/0xf0 [ 52.212847][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.213664][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.214433][ T6744] kill_block_super+0x44/0x90 [ 52.215094][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.215709][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.216418][ T6744] deactivate_super+0xe0/0x100 [ 52.217140][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.217797][ T6744] __cleanup_mnt+0x20/0x30 [ 52.218404][ T6744] task_work_run+0x1dc/0x260 [ 52.219045][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.219813][ T6744] el0_svc+0x170/0x254 [ 52.220489][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.221348][ T6744] el0t_64_sync+0x198/0x19c [ 52.222038][ T6744] irq event stamp: 432400 [ 52.222727][ T6744] hardirqs last enabled at (432399): [] irqentry_exit+0xd8/0x108 [ 52.224184][ T6744] hardirqs last disabled at (432400): [] el1_brk64+0x20/0x54 [ 52.225636][ T6744] softirqs last enabled at (432132): [] local_bh_enable+0x10/0x34 [ 52.227184][ T6744] softirqs last disabled at (432130): [] local_bh_disable+0x10/0x34 [ 52.228649][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.243669][ T7135] loop0: detected capacity change from 0 to 1024 [ 52.258482][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.260706][ T6744] ------------[ cut here ]------------ [ 52.260714][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.263193][ T6744] Modules linked in: [ 52.263789][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.265321][ T6744] Tainted: [W]=WARN [ 52.265867][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.267245][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.268421][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.269380][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.270373][ T6744] sp : ffff8000a56d7140 [ 52.271033][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41d15e0 x27: 1fffe0001c83a2bc [ 52.272167][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.273314][ T6744] x23: ffff0000e41d15b8 x22: 0000000000000000 x21: dfff800000000000 [ 52.274466][ T6744] x20: ffff0000cdd36068 x19: ffff0000cdd36000 x18: 1fffe000337db690 [ 52.275619][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 52.276714][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.277843][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.278971][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 52.280096][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 52.281383][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.282670][ T6744] Call trace: [ 52.283150][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.284147][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.284906][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.285719][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.286503][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.287295][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.287983][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.288738][ T6744] iput+0x358/0xad4 [ 52.289296][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.290001][ T6744] __dentry_kill+0x170/0x594 [ 52.290674][ T6744] shrink_kill+0xd4/0x2cc [ 52.291323][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.292071][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.292789][ T6744] do_one_tree+0x2c/0xf0 [ 52.293379][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.294171][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.294907][ T6744] kill_block_super+0x44/0x90 [ 52.295542][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.296108][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.296882][ T6744] deactivate_super+0xe0/0x100 [ 52.297561][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.298237][ T6744] __cleanup_mnt+0x20/0x30 [ 52.298855][ T6744] task_work_run+0x1dc/0x260 [ 52.299590][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.300367][ T6744] el0_svc+0x170/0x254 [ 52.300998][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.301792][ T6744] el0t_64_sync+0x198/0x19c [ 52.302478][ T6744] irq event stamp: 438534 [ 52.303105][ T6744] hardirqs last enabled at (438533): [] finish_lock_switch+0xb0/0x1c0 [ 52.304495][ T6744] hardirqs last disabled at (438534): [] el1_brk64+0x20/0x54 [ 52.305734][ T6744] softirqs last enabled at (438356): [] local_bh_enable+0x10/0x34 [ 52.307073][ T6744] softirqs last disabled at (438354): [] local_bh_disable+0x10/0x34 [ 52.308442][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.326278][ T7139] loop0: detected capacity change from 0 to 1024 [ 52.349702][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.351664][ T6744] ------------[ cut here ]------------ [ 52.351671][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.354201][ T6744] Modules linked in: [ 52.354806][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.356529][ T6744] Tainted: [W]=WARN [ 52.357141][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.358748][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.360005][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.361006][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.361993][ T6744] sp : ffff8000a56d7140 [ 52.362624][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1771f70 x27: 1fffe000182ee3ee [ 52.363801][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.365032][ T6744] x23: ffff0000c1771f48 x22: 0000000000000000 x21: dfff800000000000 [ 52.366184][ T6744] x20: ffff0000c8e30068 x19: ffff0000c8e30000 x18: 1fffe000337db690 [ 52.367338][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 52.368529][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.369718][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.371093][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 52.372461][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 52.373769][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.375060][ T6744] Call trace: [ 52.375577][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.376572][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.377403][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.378369][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.379220][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.380064][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.380832][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.381626][ T6744] iput+0x358/0xad4 [ 52.382181][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.382890][ T6744] __dentry_kill+0x170/0x594 [ 52.383549][ T6744] shrink_kill+0xd4/0x2cc [ 52.384204][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.384908][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.385661][ T6744] do_one_tree+0x2c/0xf0 [ 52.386334][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.387178][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.387929][ T6744] kill_block_super+0x44/0x90 [ 52.388580][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.389181][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.390083][ T6744] deactivate_super+0xe0/0x100 [ 52.390880][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.391604][ T6744] __cleanup_mnt+0x20/0x30 [ 52.392336][ T6744] task_work_run+0x1dc/0x260 [ 52.393111][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.393934][ T6744] el0_svc+0x170/0x254 [ 52.394577][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.395358][ T6744] el0t_64_sync+0x198/0x19c [ 52.396037][ T6744] irq event stamp: 444032 [ 52.396723][ T6744] hardirqs last enabled at (444031): [] finish_lock_switch+0xb0/0x1c0 [ 52.398279][ T6744] hardirqs last disabled at (444032): [] el1_brk64+0x20/0x54 [ 52.399624][ T6744] softirqs last enabled at (443760): [] local_bh_enable+0x10/0x34 [ 52.401012][ T6744] softirqs last disabled at (443758): [] local_bh_disable+0x10/0x34 [ 52.402386][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.419538][ T7143] loop0: detected capacity change from 0 to 1024 [ 52.442445][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.444431][ T6744] ------------[ cut here ]------------ [ 52.444438][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.446851][ T6744] Modules linked in: [ 52.447455][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.449129][ T6744] Tainted: [W]=WARN [ 52.449702][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.451166][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.452305][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.453359][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.454304][ T6744] sp : ffff8000a56d7140 [ 52.454852][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1776260 x27: 1fffe000182eec4c [ 52.456042][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.457191][ T6744] x23: ffff0000c1776238 x22: 0000000000000000 x21: dfff800000000000 [ 52.458331][ T6744] x20: ffff0000cee02068 x19: ffff0000cee02000 x18: 1fffe000337db690 [ 52.459633][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 52.460866][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.462092][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.463394][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 52.464662][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 52.465891][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.467054][ T6744] Call trace: [ 52.467518][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.468473][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.469297][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.470144][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.470978][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.471768][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.472465][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.473188][ T6744] iput+0x358/0xad4 [ 52.473731][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.474502][ T6744] __dentry_kill+0x170/0x594 [ 52.475169][ T6744] shrink_kill+0xd4/0x2cc [ 52.475758][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.476484][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.477237][ T6744] do_one_tree+0x2c/0xf0 [ 52.477847][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.478592][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.479347][ T6744] kill_block_super+0x44/0x90 [ 52.479976][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.480703][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.481577][ T6744] deactivate_super+0xe0/0x100 [ 52.482275][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.482971][ T6744] __cleanup_mnt+0x20/0x30 [ 52.483597][ T6744] task_work_run+0x1dc/0x260 [ 52.484295][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.485064][ T6744] el0_svc+0x170/0x254 [ 52.485672][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.486426][ T6744] el0t_64_sync+0x198/0x19c [ 52.487026][ T6744] irq event stamp: 450972 [ 52.487577][ T6744] hardirqs last enabled at (450971): [] finish_lock_switch+0xb0/0x1c0 [ 52.488980][ T6744] hardirqs last disabled at (450972): [] el1_brk64+0x20/0x54 [ 52.490234][ T6744] softirqs last enabled at (449928): [] local_bh_enable+0x10/0x34 [ 52.491473][ T6744] softirqs last disabled at (449926): [] local_bh_disable+0x10/0x34 [ 52.492727][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.512105][ T7147] loop0: detected capacity change from 0 to 1024 [ 52.534657][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.536633][ T6744] ------------[ cut here ]------------ [ 52.536640][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.539132][ T6744] Modules linked in: [ 52.539748][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.541408][ T6744] Tainted: [W]=WARN [ 52.541992][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.543476][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.544644][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.545614][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.546558][ T6744] sp : ffff8000a56d7140 [ 52.547173][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce645b0 x27: 1fffe0001b9cc8b6 [ 52.548389][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.549589][ T6744] x23: ffff0000dce64588 x22: 0000000000000000 x21: dfff800000000000 [ 52.550823][ T6744] x20: ffff0000e4684068 x19: ffff0000e4684000 x18: 1fffe000337db690 [ 52.552044][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 52.553233][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.554427][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.555564][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 52.556705][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 52.557938][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.559226][ T6744] Call trace: [ 52.559722][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.560597][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.561308][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.562060][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.562927][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.563675][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.564360][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.565145][ T6744] iput+0x358/0xad4 [ 52.565719][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.566430][ T6744] __dentry_kill+0x170/0x594 [ 52.567082][ T6744] shrink_kill+0xd4/0x2cc [ 52.567729][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.568449][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.569198][ T6744] do_one_tree+0x2c/0xf0 [ 52.569829][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.570697][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.571448][ T6744] kill_block_super+0x44/0x90 [ 52.572086][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.572695][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.573476][ T6744] deactivate_super+0xe0/0x100 [ 52.574181][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.574876][ T6744] __cleanup_mnt+0x20/0x30 [ 52.575522][ T6744] task_work_run+0x1dc/0x260 [ 52.576244][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.577024][ T6744] el0_svc+0x170/0x254 [ 52.577672][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.578501][ T6744] el0t_64_sync+0x198/0x19c [ 52.579175][ T6744] irq event stamp: 456940 [ 52.579833][ T6744] hardirqs last enabled at (456939): [] finish_lock_switch+0xb0/0x1c0 [ 52.581227][ T6744] hardirqs last disabled at (456940): [] el1_brk64+0x20/0x54 [ 52.582483][ T6744] softirqs last enabled at (456670): [] local_bh_enable+0x10/0x34 [ 52.583810][ T6744] softirqs last disabled at (456668): [] local_bh_disable+0x10/0x34 [ 52.585060][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.600431][ T7151] loop0: detected capacity change from 0 to 1024 [ 52.628887][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.630852][ T6744] ------------[ cut here ]------------ [ 52.630859][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.633273][ T6744] Modules linked in: [ 52.633860][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.635450][ T6744] Tainted: [W]=WARN [ 52.635997][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.637411][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.638546][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.639462][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.640406][ T6744] sp : ffff8000a56d7140 [ 52.641027][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e42495e0 x27: 1fffe0001c8492bc [ 52.642179][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.643286][ T6744] x23: ffff0000e42495b8 x22: 0000000000000000 x21: dfff800000000000 [ 52.644413][ T6744] x20: ffff0000c5dc0068 x19: ffff0000c5dc0000 x18: 1fffe000337db690 [ 52.645543][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 52.646699][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.647903][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.649067][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 52.650228][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 52.651363][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.652547][ T6744] Call trace: [ 52.653029][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.653998][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.654818][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.655647][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.656513][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.657306][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.658061][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.658863][ T6744] iput+0x358/0xad4 [ 52.659468][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.660274][ T6744] __dentry_kill+0x170/0x594 [ 52.660993][ T6744] shrink_kill+0xd4/0x2cc [ 52.661613][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.662390][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.663162][ T6744] do_one_tree+0x2c/0xf0 [ 52.663746][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.664519][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.665325][ T6744] kill_block_super+0x44/0x90 [ 52.666092][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.666756][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.667570][ T6744] deactivate_super+0xe0/0x100 [ 52.668296][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.668957][ T6744] __cleanup_mnt+0x20/0x30 [ 52.669646][ T6744] task_work_run+0x1dc/0x260 [ 52.670278][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.671050][ T6744] el0_svc+0x170/0x254 [ 52.671602][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.672322][ T6744] el0t_64_sync+0x198/0x19c [ 52.673014][ T6744] irq event stamp: 463086 [ 52.673656][ T6744] hardirqs last enabled at (463085): [] finish_lock_switch+0xb0/0x1c0 [ 52.675197][ T6744] hardirqs last disabled at (463086): [] el1_brk64+0x20/0x54 [ 52.676535][ T6744] softirqs last enabled at (462796): [] local_bh_enable+0x10/0x34 [ 52.677914][ T6744] softirqs last disabled at (462794): [] local_bh_disable+0x10/0x34 [ 52.679311][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.693385][ T7155] loop0: detected capacity change from 0 to 1024 [ 52.712359][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.717786][ T6744] ------------[ cut here ]------------ [ 52.717796][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.720376][ T6744] Modules linked in: [ 52.720954][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.722667][ T6744] Tainted: [W]=WARN [ 52.723223][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.724782][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.725986][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.726946][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.727935][ T6744] sp : ffff8000a56d7140 [ 52.728595][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce24f40 x27: 1fffe0001b9c49e8 [ 52.729786][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.730957][ T6744] x23: ffff0000dce24f18 x22: 0000000000000000 x21: dfff800000000000 [ 52.732165][ T6744] x20: ffff0000d06fc068 x19: ffff0000d06fc000 x18: 1fffe000337dfe90 [ 52.733445][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 52.734659][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.735876][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.737074][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 52.738258][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 52.739390][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.740584][ T6744] Call trace: [ 52.741030][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.741996][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.742788][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.743603][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.744456][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.745200][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.745857][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.746555][ T6744] iput+0x358/0xad4 [ 52.747097][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.747931][ T6744] __dentry_kill+0x170/0x594 [ 52.748631][ T6744] shrink_kill+0xd4/0x2cc [ 52.749304][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.750046][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.750797][ T6744] do_one_tree+0x2c/0xf0 [ 52.751429][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.752248][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.752957][ T6744] kill_block_super+0x44/0x90 [ 52.753666][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.754293][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.755079][ T6744] deactivate_super+0xe0/0x100 [ 52.755847][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.756485][ T6744] __cleanup_mnt+0x20/0x30 [ 52.757136][ T6744] task_work_run+0x1dc/0x260 [ 52.757844][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.758628][ T6744] el0_svc+0x170/0x254 [ 52.759230][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.759999][ T6744] el0t_64_sync+0x198/0x19c [ 52.760625][ T6744] irq event stamp: 469214 [ 52.761245][ T6744] hardirqs last enabled at (469213): [] finish_lock_switch+0xb0/0x1c0 [ 52.762662][ T6744] hardirqs last disabled at (469214): [] el1_brk64+0x20/0x54 [ 52.764035][ T6744] softirqs last enabled at (468938): [] local_bh_enable+0x10/0x34 [ 52.765326][ T6744] softirqs last disabled at (468936): [] local_bh_disable+0x10/0x34 [ 52.766735][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.787003][ T7159] loop0: detected capacity change from 0 to 1024 [ 52.813711][ T6744] EXT4-fs warning (dev ** replaying previous printk message ** [ 52.813711][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.814347][ T6744] ------------[ cut here ]------------ [ 52.814354][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.819348][ T6744] Modules linked in: [ 52.819946][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.821686][ T6744] Tainted: [W]=WARN [ 52.822307][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.823934][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.825178][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.826167][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.827217][ T6744] sp : ffff8000a56d7140 [ 52.827837][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1757580 x27: 1fffe000182eaeb0 [ 52.829182][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.830435][ T6744] x23: ffff0000c1757558 x22: 0000000000000000 x21: dfff800000000000 [ 52.831623][ T6744] x20: ffff0000d132a068 x19: ffff0000d132a000 x18: 1fffe000337dfe90 [ 52.832794][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 52.834053][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.835252][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.836555][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 52.837744][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 52.838933][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.840156][ T6744] Call trace: [ 52.840619][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.841667][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.842447][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.843317][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.844159][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.844957][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.845670][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.846418][ T6744] iput+0x358/0xad4 [ 52.847011][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.847774][ T6744] __dentry_kill+0x170/0x594 [ 52.848485][ T6744] shrink_kill+0xd4/0x2cc [ 52.849114][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.849878][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.850650][ T6744] do_one_tree+0x2c/0xf0 [ 52.851300][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.852149][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.852910][ T6744] kill_block_super+0x44/0x90 [ 52.853570][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.854167][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.854917][ T6744] deactivate_super+0xe0/0x100 [ 52.855605][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.856212][ T6744] __cleanup_mnt+0x20/0x30 [ 52.856842][ T6744] task_work_run+0x1dc/0x260 [ 52.857496][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.858238][ T6744] el0_svc+0x170/0x254 [ 52.858881][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.859699][ T6744] el0t_64_sync+0x198/0x19c [ 52.860482][ T6744] irq event stamp: 476812 [ 52.861192][ T6744] hardirqs last enabled at (476811): [] finish_lock_switch+0xb0/0x1c0 [ 52.862755][ T6744] hardirqs last disabled at (476812): [] el1_brk64+0x20/0x54 [ 52.864191][ T6744] softirqs last enabled at (476482): [] local_bh_enable+0x10/0x34 [ 52.865635][ T6744] softirqs last disabled at (476480): [] local_bh_disable+0x10/0x34 [ 52.867100][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.884197][ T7164] loop0: detected capacity change from 0 to 1024 [ 52.903956][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.905940][ T6744] ------------[ cut here ]------------ [ 52.905947][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.908181][ T6744] Modules linked in: [ 52.908742][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.910422][ T6744] Tainted: [W]=WARN [ 52.910988][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.912486][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.913714][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.914682][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 52.915685][ T6744] sp : ffff8000a56d7140 [ 52.916302][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1751f70 x27: 1fffe000182ea3ee [ 52.917488][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 52.918705][ T6744] x23: ffff0000c1751f48 x22: 0000000000000000 x21: dfff800000000000 [ 52.919812][ T6744] x20: ffff0000d1f78068 x19: ffff0000d1f78000 x18: 1fffe000337db690 [ 52.921033][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 52.922198][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 52.923434][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 52.924627][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 52.925838][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 52.927031][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.928183][ T6744] Call trace: [ 52.928662][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 52.929580][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 52.930345][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.931182][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.932005][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.932749][ T6744] ext4_dirty_inode+0xd4/0x104 [ 52.933453][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 52.934174][ T6744] iput+0x358/0xad4 [ 52.934667][ T6744] dentry_unlink_inode+0x384/0x45c [ 52.935384][ T6744] __dentry_kill+0x170/0x594 [ 52.936007][ T6744] shrink_kill+0xd4/0x2cc [ 52.936597][ T6744] shrink_dentry_list+0x31c/0x6cc [ 52.937366][ T6744] shrink_dcache_parent+0xac/0x27c [ 52.938107][ T6744] do_one_tree+0x2c/0xf0 [ 52.938718][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 52.939464][ T6744] generic_shutdown_super+0x68/0x2b8 [ 52.940202][ T6744] kill_block_super+0x44/0x90 [ 52.940852][ T6744] ext4_kill_sb+0x68/0xa4 [ 52.941456][ T6744] deactivate_locked_super+0xc4/0x12c [ 52.942176][ T6744] deactivate_super+0xe0/0x100 [ 52.942812][ T6744] cleanup_mnt+0x31c/0x3ac [ 52.943470][ T6744] __cleanup_mnt+0x20/0x30 [ 52.944123][ T6744] task_work_run+0x1dc/0x260 [ 52.944751][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 52.945446][ T6744] el0_svc+0x170/0x254 [ 52.946009][ T6744] el0t_64_sync_handler+0x84/0x12c [ 52.946725][ T6744] el0t_64_sync+0x198/0x19c [ 52.947386][ T6744] irq event stamp: 482696 [ 52.948004][ T6744] hardirqs last enabled at (482695): [] finish_lock_switch+0xb0/0x1c0 [ 52.949450][ T6744] hardirqs last disabled at (482696): [] el1_brk64+0x20/0x54 [ 52.950682][ T6744] softirqs last enabled at (482512): [] local_bh_enable+0x10/0x34 [ 52.951919][ T6744] softirqs last disabled at (482510): [] local_bh_disable+0x10/0x34 [ 52.953211][ T6744] ---[ end trace 0000000000000000 ]--- [ 52.980976][ T7168] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 52.999130][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 52.999232][ T6744] ------------[ cut here ]------------ [ 52.999236][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.003980][ T6744] Modules linked in: [ 53.004613][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.006240][ T6744] Tainted: [W]=WARN [ 53.006780][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.008254][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.009412][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.010372][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.011350][ T6744] sp : ffff8000a56d7140 [ 53.011981][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce3c5b0 x27: 1fffe0001b9c78b6 [ 53.013220][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.014484][ T6744] x23: ffff0000dce3c588 x22: 0000000000000000 x21: dfff800000000000 [ 53.015702][ T6744] x20: ffff0000c4c04068 x19: ffff0000c4c04000 x18: 1fffe000337dfe90 [ 53.016904][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 53.018106][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.019287][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.020535][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 53.021737][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 53.022902][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.024154][ T6744] Call trace: [ 53.024626][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.025613][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.026362][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.027325][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.028239][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.029153][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.029934][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.030843][ T6744] iput+0x358/0xad4 [ 53.031406][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.032186][ T6744] __dentry_kill+0x170/0x594 [ 53.032848][ T6744] shrink_kill+0xd4/0x2cc [ 53.033527][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.034282][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.035085][ T6744] do_one_tree+0x2c/0xf0 [ 53.035757][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.036558][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.037331][ T6744] kill_block_super+0x44/0x90 [ 53.038045][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.038668][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.039434][ T6744] deactivate_super+0xe0/0x100 [ 53.040110][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.040732][ T6744] __cleanup_mnt+0x20/0x30 [ 53.041375][ T6744] task_work_run+0x1dc/0x260 [ 53.042073][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.042823][ T6744] el0_svc+0x170/0x254 [ 53.043451][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.044236][ T6744] el0t_64_sync+0x198/0x19c [ 53.044916][ T6744] irq event stamp: 488218 [ 53.045592][ T6744] hardirqs last enabled at (488217): [] irqentry_exit+0xd8/0x108 [ 53.047013][ T6744] hardirqs last disabled at (488218): [] el1_brk64+0x20/0x54 [ 53.048308][ T6744] softirqs last enabled at (488050): [] local_bh_enable+0x10/0x34 [ 53.049648][ T6744] softirqs last disabled at (488048): [] local_bh_disable+0x10/0x34 [ 53.051107][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.067282][ T7172] loop0: detected capacity change from 0 to 1024 [ 53.086028][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.088797][ T6744] ------------[ cut here ]------------ [ 53.088805][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.091238][ T6744] Modules linked in: [ 53.091860][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.093470][ T6744] Tainted: [W]=WARN [ 53.094022][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.095542][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.096689][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.097662][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.098589][ T6744] sp : ffff8000a56d7140 [ 53.099193][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce6cf40 x27: 1fffe0001b9cd9e8 [ 53.100379][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.101546][ T6744] x23: ffff0000dce6cf18 x22: 0000000000000000 x21: dfff800000000000 [ 53.102694][ T6744] x20: ffff0000d3156068 x19: ffff0000d3156000 x18: 1fffe000337db690 [ 53.103857][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 53.105011][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.106243][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.107427][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 53.108643][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 53.109827][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.110976][ T6744] Call trace: [ 53.111422][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.112283][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.113027][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.113861][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.114691][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.115509][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.116190][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.116965][ T6744] iput+0x358/0xad4 [ 53.117481][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.118278][ T6744] __dentry_kill+0x170/0x594 [ 53.118927][ T6744] shrink_kill+0xd4/0x2cc [ 53.119600][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.120329][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.121092][ T6744] do_one_tree+0x2c/0xf0 [ 53.121703][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.122503][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.123277][ T6744] kill_block_super+0x44/0x90 [ 53.123962][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.124600][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.125411][ T6744] deactivate_super+0xe0/0x100 [ 53.126075][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.126676][ T6744] __cleanup_mnt+0x20/0x30 [ 53.127279][ T6744] task_work_run+0x1dc/0x260 [ 53.127907][ T53] Bluetooth: hci0: command tx timeout [ 53.128684][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.129401][ T6744] el0_svc+0x170/0x254 [ 53.130041][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.130746][ T6744] el0t_64_sync+0x198/0x19c [ 53.131427][ T6744] irq event stamp: 493726 [ 53.132027][ T6744] hardirqs last enabled at (493725): [] finish_lock_switch+0xb0/0x1c0 [ 53.133454][ T6744] hardirqs last disabled at (493726): [] el1_brk64+0x20/0x54 [ 53.134586][ T6744] softirqs last enabled at (493424): [] local_bh_enable+0x10/0x34 [ 53.135861][ T6744] softirqs last disabled at (493422): [] local_bh_disable+0x10/0x34 [ 53.137177][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.152180][ T7176] loop0: detected capacity change from 0 to 1024 [ 53.163563][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.165468][ T6744] ------------[ cut here ]------------ [ 53.165475][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.167678][ T6744] Modules linked in: [ 53.168304][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.169865][ T6744] Tainted: [W]=WARN [ 53.170411][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.171892][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.173002][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.174018][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.174946][ T6744] sp : ffff8000a56d7140 [ 53.175568][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e42082c0 x27: 1fffe0001c841058 [ 53.176762][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.177929][ T6744] x23: ffff0000e4208298 x22: 0000000000000000 x21: dfff800000000000 [ 53.179140][ T6744] x20: ffff0000d26a2068 x19: ffff0000d26a2000 x18: 1fffe000337db690 [ 53.180380][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 53.181659][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.182845][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.184122][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 53.185423][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 53.186678][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.187920][ T6744] Call trace: [ 53.188408][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.189363][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.190074][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.190908][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.191793][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.192550][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.193237][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.193974][ T6744] iput+0x358/0xad4 [ 53.194539][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.195294][ T6744] __dentry_kill+0x170/0x594 [ 53.195963][ T6744] shrink_kill+0xd4/0x2cc [ 53.196535][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.197234][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.197989][ T6744] do_one_tree+0x2c/0xf0 [ 53.198559][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.199305][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.200021][ T6744] kill_block_super+0x44/0x90 [ 53.200686][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.201284][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.202025][ T6744] deactivate_super+0xe0/0x100 [ 53.202758][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.203409][ T6744] __cleanup_mnt+0x20/0x30 [ 53.204026][ T6744] task_work_run+0x1dc/0x260 [ 53.204678][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.205460][ T6744] el0_svc+0x170/0x254 [ 53.206048][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.206780][ T6744] el0t_64_sync+0x198/0x19c [ 53.207415][ T6744] irq event stamp: 500148 [ 53.208091][ T6744] hardirqs last enabled at (500147): [] finish_lock_switch+0xb0/0x1c0 [ 53.209479][ T6744] hardirqs last disabled at (500148): [] el1_brk64+0x20/0x54 [ 53.210745][ T6744] softirqs last enabled at (499862): [] local_bh_enable+0x10/0x34 [ 53.212136][ T6744] softirqs last disabled at (499860): [] local_bh_disable+0x10/0x34 [ 53.213669][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.231021][ T7180] loop0: detected capacity change from 0 to 1024 [ 53.254301][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.257782][ T6744] ------------[ cut here ]------------ [ 53.257791][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.260288][ T6744] Modules linked in: [ 53.260884][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.262547][ T6744] Tainted: [W]=WARN [ 53.263124][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.264642][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.265791][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.266741][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.267695][ T6744] sp : ffff8000a56d7140 [ 53.268320][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dcdd6bf0 x27: 1fffe0001b9bad7e [ 53.269512][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.270721][ T6744] x23: ffff0000dcdd6bc8 x22: 0000000000000000 x21: dfff800000000000 [ 53.271912][ T6744] x20: ffff0000d1fd4068 x19: ffff0000d1fd4000 x18: 1fffe000337dfe90 [ 53.273120][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 53.274317][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.275509][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.276751][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 53.277985][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 53.279171][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.280406][ T6744] Call trace: [ 53.280925][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.281985][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.282793][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.283645][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.284466][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.285257][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.285923][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.286692][ T6744] iput+0x358/0xad4 [ 53.287216][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.288119][ T6744] __dentry_kill+0x170/0x594 [ 53.288883][ T6744] shrink_kill+0xd4/0x2cc [ 53.289572][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.290302][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.291092][ T6744] do_one_tree+0x2c/0xf0 [ 53.291765][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.292585][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.293414][ T6744] kill_block_super+0x44/0x90 [ 53.294118][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.294847][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.295712][ T6744] deactivate_super+0xe0/0x100 [ 53.296457][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.297149][ T6744] __cleanup_mnt+0x20/0x30 [ 53.297846][ T6744] task_work_run+0x1dc/0x260 [ 53.298558][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.299348][ T6744] el0_svc+0x170/0x254 [ 53.299979][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.300715][ T6744] el0t_64_sync+0x198/0x19c [ 53.301403][ T6744] irq event stamp: 505612 [ 53.302030][ T6744] hardirqs last enabled at (505611): [] finish_lock_switch+0xb0/0x1c0 [ 53.303390][ T6744] hardirqs last disabled at (505612): [] el1_brk64+0x20/0x54 [ 53.304556][ T6744] softirqs last enabled at (505346): [] local_bh_enable+0x10/0x34 [ 53.305885][ T6744] softirqs last disabled at (505344): [] local_bh_disable+0x10/0x34 [ 53.307228][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.329151][ T7184] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 53.354256][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.354355][ T6744] ------------[ cut here ]------------ [ 53.354359][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.359098][ T6744] Modules linked in: [ 53.359704][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.361409][ T6744] Tainted: [W]=WARN [ 53.361967][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.363448][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.364639][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.365587][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.366528][ T6744] sp : ffff8000a56d7140 [ 53.367142][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1759f70 x27: 1fffe000182eb3ee [ 53.368261][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.369407][ T6744] x23: ffff0000c1759f48 x22: 0000000000000000 x21: dfff800000000000 [ 53.370565][ T6744] x20: ffff0000d606c068 x19: ffff0000d606c000 x18: 1fffe000337dfe90 [ 53.371758][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 53.372878][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.374043][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.375179][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 53.376325][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 53.377495][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.378634][ T6744] Call trace: [ 53.379089][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.380026][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.380819][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.381684][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.382514][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.383333][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.383968][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.384691][ T6744] iput+0x358/0xad4 [ 53.385219][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.385921][ T6744] __dentry_kill+0x170/0x594 [ 53.386574][ T6744] shrink_kill+0xd4/0x2cc [ 53.387201][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.387921][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.388634][ T6744] do_one_tree+0x2c/0xf0 [ 53.389246][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.390013][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.390745][ T6744] kill_block_super+0x44/0x90 [ 53.391389][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.391990][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.392721][ T6744] deactivate_super+0xe0/0x100 [ 53.393369][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.393962][ T6744] __cleanup_mnt+0x20/0x30 [ 53.394587][ T6744] task_work_run+0x1dc/0x260 [ 53.395216][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.395948][ T6744] el0_svc+0x170/0x254 [ 53.396523][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.397213][ T6744] el0t_64_sync+0x198/0x19c [ 53.397829][ T6744] irq event stamp: 511986 [ 53.398427][ T6744] hardirqs last enabled at (511985): [] irqentry_exit+0xd8/0x108 [ 53.399719][ T6744] hardirqs last disabled at (511986): [] el1_brk64+0x20/0x54 [ 53.400952][ T6744] softirqs last enabled at (511692): [] local_bh_enable+0x10/0x34 [ 53.402245][ T6744] softirqs last disabled at (511690): [] local_bh_disable+0x10/0x34 [ 53.403549][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.420954][ T7188] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 53.448406][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.448504][ T6744] ------------[ cut here ]------------ [ 53.448508][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.453264][ T6744] Modules linked in: [ 53.453875][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.455498][ T6744] Tainted: [W]=WARN [ 53.456070][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.457534][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.458727][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.459745][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.460850][ T6744] sp : ffff8000a56d7140 [ 53.461531][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce4b290 x27: 1fffe0001b9c9652 [ 53.462809][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.464059][ T6744] x23: ffff0000dce4b268 x22: 0000000000000000 x21: dfff800000000000 [ 53.465323][ T6744] x20: ffff0000d3974068 x19: ffff0000d3974000 x18: 0000000000000000 [ 53.466589][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 53.467996][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.469330][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.470674][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 53.472031][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 53.473389][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.474754][ T6744] Call trace: [ 53.475297][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.476387][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.477231][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.478153][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.479062][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.479944][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.480740][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.481575][ T6744] iput+0x358/0xad4 [ 53.482199][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.483041][ T6744] __dentry_kill+0x170/0x594 [ 53.483742][ T6744] shrink_kill+0xd4/0x2cc [ 53.484383][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.485147][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.485927][ T6744] do_one_tree+0x2c/0xf0 [ 53.486561][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.487369][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.488164][ T6744] kill_block_super+0x44/0x90 [ 53.488875][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.489535][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.490328][ T6744] deactivate_super+0xe0/0x100 [ 53.491037][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.491699][ T6744] __cleanup_mnt+0x20/0x30 [ 53.492360][ T6744] task_work_run+0x1dc/0x260 [ 53.493047][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.493849][ T6744] el0_svc+0x170/0x254 [ 53.494468][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.495236][ T6744] el0t_64_sync+0x198/0x19c [ 53.495932][ T6744] irq event stamp: 518784 [ 53.496575][ T6744] hardirqs last enabled at (518783): [] irqentry_exit+0xd8/0x108 [ 53.497955][ T6744] hardirqs last disabled at (518784): [] el1_brk64+0x20/0x54 [ 53.499268][ T6744] softirqs last enabled at (518766): [] handle_softirqs+0xaf8/0xc88 [ 53.500683][ T6744] softirqs last disabled at (517639): [] __do_softirq+0x14/0x20 [ 53.501979][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.522591][ T7192] loop0: detected capacity change from 0 to 1024 [ 53.535640][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.535738][ T6744] ------------[ cut here ]------------ [ 53.535744][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.539999][ T6744] Modules linked in: [ 53.540654][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.542296][ T6744] Tainted: [W]=WARN [ 53.542838][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.544360][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.545541][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.546498][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.547448][ T6744] sp : ffff8000a56d7140 [ 53.548084][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce495e0 x27: 1fffe0001b9c92bc [ 53.549192][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.550520][ T6744] x23: ffff0000dce495b8 x22: 0000000000000000 x21: dfff800000000000 [ 53.551741][ T6744] x20: ffff0000d5222068 x19: ffff0000d5222000 x18: 1fffe000337dfe90 [ 53.552911][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 53.554202][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.555421][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.556637][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 53.557915][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 53.559091][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.560335][ T6744] Call trace: [ 53.560798][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.561790][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.562575][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.563481][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.564339][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.565126][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.565864][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.566667][ T6744] iput+0x358/0xad4 [ 53.567219][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.567987][ T6744] __dentry_kill+0x170/0x594 [ 53.568633][ T6744] shrink_kill+0xd4/0x2cc [ 53.569243][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.569978][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.570760][ T6744] do_one_tree+0x2c/0xf0 [ 53.571411][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.572154][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.572916][ T6744] kill_block_super+0x44/0x90 [ 53.573575][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.574235][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.574996][ T6744] deactivate_super+0xe0/0x100 [ 53.575713][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.576333][ T6744] __cleanup_mnt+0x20/0x30 [ 53.576945][ T6744] task_work_run+0x1dc/0x260 [ 53.577627][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.578358][ T6744] el0_svc+0x170/0x254 [ 53.578976][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.579690][ T6744] el0t_64_sync+0x198/0x19c [ 53.580331][ T6744] irq event stamp: 524180 [ 53.580947][ T6744] hardirqs last enabled at (524179): [] irqentry_exit+0xd8/0x108 [ 53.582318][ T6744] hardirqs last disabled at (524180): [] el1_brk64+0x20/0x54 [ 53.583684][ T6744] softirqs last enabled at (523914): [] local_bh_enable+0x10/0x34 [ 53.585070][ T6744] softirqs last disabled at (523912): [] local_bh_disable+0x10/0x34 [ 53.586446][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.603214][ T7196] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 53.612793][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.612885][ T6744] ------------[ cut here ]------------ [ 53.612889][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.617827][ T6744] Modules linked in: [ 53.618426][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.620117][ T6744] Tainted: [W]=WARN [ 53.620692][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.622269][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.623520][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.624539][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.625496][ T6744] sp : ffff8000a56d7140 [ 53.626087][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c17695e0 x27: 1fffe000182ed2bc [ 53.627309][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.628603][ T6744] x23: ffff0000c17695b8 x22: 0000000000000000 x21: dfff800000000000 [ 53.629830][ T6744] x20: ffff0000d5a1e068 x19: ffff0000d5a1e000 x18: 1fffe000337dfe90 [ 53.631063][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 53.632263][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.633451][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.634798][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 53.636137][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 53.637447][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.638672][ T6744] Call trace: [ 53.639159][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.640143][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.640896][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.641815][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.642634][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.643457][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.644185][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.644915][ T6744] iput+0x358/0xad4 [ 53.645480][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.646204][ T6744] __dentry_kill+0x170/0x594 [ 53.646864][ T6744] shrink_kill+0xd4/0x2cc [ 53.647537][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.648261][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.649062][ T6744] do_one_tree+0x2c/0xf0 [ 53.649725][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.650521][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.651256][ T6744] kill_block_super+0x44/0x90 [ 53.651922][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.652558][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.653362][ T6744] deactivate_super+0xe0/0x100 [ 53.654069][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.654701][ T6744] __cleanup_mnt+0x20/0x30 [ 53.655337][ T6744] task_work_run+0x1dc/0x260 [ 53.656141][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.657026][ T6744] el0_svc+0x170/0x254 [ 53.657715][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.658493][ T6744] el0t_64_sync+0x198/0x19c [ 53.659170][ T6744] irq event stamp: 529690 [ 53.659852][ T6744] hardirqs last enabled at (529689): [] irqentry_exit+0xd8/0x108 [ 53.661281][ T6744] hardirqs last disabled at (529690): [] el1_brk64+0x20/0x54 [ 53.662638][ T6744] softirqs last enabled at (529394): [] local_bh_enable+0x10/0x34 [ 53.664019][ T6744] softirqs last disabled at (529392): [] local_bh_disable+0x10/0x34 [ 53.665426][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.696789][ T7200] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 53.723811][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.723902][ T6744] ------------[ cut here ]------------ [ 53.723907][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.728543][ T6744] Modules linked in: [ 53.729166][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.730847][ T6744] Tainted: [W]=WARN [ 53.731397][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.732841][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.733971][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.734914][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.735934][ T6744] sp : ffff8000a56d7140 [ 53.736546][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41d9f70 x27: 1fffe0001c83b3ee [ 53.737760][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.738919][ T6744] x23: ffff0000e41d9f48 x22: 0000000000000000 x21: dfff800000000000 [ 53.740128][ T6744] x20: ffff0000db604068 x19: ffff0000db604000 x18: 1fffe000337dfe90 [ 53.741365][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 53.742580][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.743859][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.745110][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 53.746314][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 53.747457][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.748631][ T6744] Call trace: [ 53.749102][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.750069][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.750775][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.751614][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.752427][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.753242][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.753976][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.754720][ T6744] iput+0x358/0xad4 [ 53.755279][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.756035][ T6744] __dentry_kill+0x170/0x594 [ 53.756684][ T6744] shrink_kill+0xd4/0x2cc [ 53.757311][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.758000][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.758714][ T6744] do_one_tree+0x2c/0xf0 [ 53.759337][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.760138][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.760856][ T6744] kill_block_super+0x44/0x90 [ 53.761584][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.762227][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.762950][ T6744] deactivate_super+0xe0/0x100 [ 53.763588][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.764239][ T6744] __cleanup_mnt+0x20/0x30 [ 53.764869][ T6744] task_work_run+0x1dc/0x260 [ 53.765575][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.766372][ T6744] el0_svc+0x170/0x254 [ 53.766971][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.767687][ T6744] el0t_64_sync+0x198/0x19c [ 53.768409][ T6744] irq event stamp: 535106 [ 53.769021][ T6744] hardirqs last enabled at (535105): [] irqentry_exit+0xd8/0x108 [ 53.770410][ T6744] hardirqs last disabled at (535106): [] el1_brk64+0x20/0x54 [ 53.771733][ T6744] softirqs last enabled at (534768): [] local_bh_enable+0x10/0x34 [ 53.773049][ T6744] softirqs last disabled at (534766): [] local_bh_disable+0x10/0x34 [ 53.774336][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.798517][ T7204] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 53.813735][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.813826][ T6744] ------------[ cut here ]------------ [ 53.813830][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.818667][ T6744] Modules linked in: [ 53.819227][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.820889][ T6744] Tainted: [W]=WARN [ 53.821465][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.822912][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.824103][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.825069][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.825997][ T6744] sp : ffff8000a56d7140 [ 53.826609][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e42145b0 x27: 1fffe0001c8428b6 [ 53.827812][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.828967][ T6744] x23: ffff0000e4214588 x22: 0000000000000000 x21: dfff800000000000 [ 53.830276][ T6744] x20: ffff0000d47b4068 x19: ffff0000d47b4000 x18: 1fffe000337dfe90 [ 53.831373][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 53.832605][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.833825][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.834978][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 53.836152][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 53.837360][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.838539][ T6744] Call trace: [ 53.838999][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.839946][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.840677][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.841521][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.842416][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.843243][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.843945][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.844658][ T6744] iput+0x358/0xad4 [ 53.845205][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.845914][ T6744] __dentry_kill+0x170/0x594 [ 53.846599][ T6744] shrink_kill+0xd4/0x2cc [ 53.847177][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.847859][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.848577][ T6744] do_one_tree+0x2c/0xf0 [ 53.849208][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.849927][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.850638][ T6744] kill_block_super+0x44/0x90 [ 53.851316][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.851921][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.852668][ T6744] deactivate_super+0xe0/0x100 [ 53.853310][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.853933][ T6744] __cleanup_mnt+0x20/0x30 [ 53.854656][ T6744] task_work_run+0x1dc/0x260 [ 53.855445][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.856266][ T6744] el0_svc+0x170/0x254 [ 53.856905][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.857679][ T6744] el0t_64_sync+0x198/0x19c [ 53.858418][ T6744] irq event stamp: 540694 [ 53.859072][ T6744] hardirqs last enabled at (540693): [] irqentry_exit+0xd8/0x108 [ 53.860543][ T6744] hardirqs last disabled at (540694): [] el1_brk64+0x20/0x54 [ 53.861900][ T6744] softirqs last enabled at (540406): [] local_bh_enable+0x10/0x34 [ 53.863405][ T6744] softirqs last disabled at (540404): [] local_bh_disable+0x10/0x34 [ 53.864877][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.887076][ T7208] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 53.906146][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 53.906231][ T6744] ------------[ cut here ]------------ [ 53.906235][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.911214][ T6744] Modules linked in: [ 53.911821][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.913491][ T6744] Tainted: [W]=WARN [ 53.914091][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.915669][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.917019][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.918126][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 53.919146][ T6744] sp : ffff8000a56d7140 [ 53.919755][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41df580 x27: 1fffe0001c83beb0 [ 53.921031][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 53.922232][ T6744] x23: ffff0000e41df558 x22: 0000000000000000 x21: dfff800000000000 [ 53.923546][ T6744] x20: ffff0000db222068 x19: ffff0000db222000 x18: 1fffe000337dfe90 [ 53.924768][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 53.926010][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 53.927249][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 53.928477][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 53.929642][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 53.930837][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.932001][ T6744] Call trace: [ 53.932464][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 53.933442][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 53.934251][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.935120][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.935938][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.936712][ T6744] ext4_dirty_inode+0xd4/0x104 [ 53.937461][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 53.938251][ T6744] iput+0x358/0xad4 [ 53.938833][ T6744] dentry_unlink_inode+0x384/0x45c [ 53.939544][ T6744] __dentry_kill+0x170/0x594 [ 53.940226][ T6744] shrink_kill+0xd4/0x2cc [ 53.940904][ T6744] shrink_dentry_list+0x31c/0x6cc [ 53.941661][ T6744] shrink_dcache_parent+0xac/0x27c [ 53.942409][ T6744] do_one_tree+0x2c/0xf0 [ 53.943024][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 53.943941][ T6744] generic_shutdown_super+0x68/0x2b8 [ 53.944824][ T6744] kill_block_super+0x44/0x90 [ 53.945472][ T6744] ext4_kill_sb+0x68/0xa4 [ 53.946123][ T6744] deactivate_locked_super+0xc4/0x12c [ 53.946984][ T6744] deactivate_super+0xe0/0x100 [ 53.947797][ T6744] cleanup_mnt+0x31c/0x3ac [ 53.948508][ T6744] __cleanup_mnt+0x20/0x30 [ 53.949190][ T6744] task_work_run+0x1dc/0x260 [ 53.949931][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 53.950748][ T6744] el0_svc+0x170/0x254 [ 53.951426][ T6744] el0t_64_sync_handler+0x84/0x12c [ 53.952219][ T6744] el0t_64_sync+0x198/0x19c [ 53.952922][ T6744] irq event stamp: 547418 [ 53.953589][ T6744] hardirqs last enabled at (547417): [] irqentry_exit+0xd8/0x108 [ 53.955062][ T6744] hardirqs last disabled at (547418): [] el1_brk64+0x20/0x54 [ 53.956501][ T6744] softirqs last enabled at (547140): [] local_bh_enable+0x10/0x34 [ 53.958028][ T6744] softirqs last disabled at (547138): [] local_bh_disable+0x10/0x34 [ 53.959429][ T6744] ---[ end trace 0000000000000000 ]--- [ 53.974184][ T7212] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.002923][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.003015][ T6744] ------------[ cut here ]------------ [ 54.003019][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.007383][ T6744] Modules linked in: [ 54.007985][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.009572][ T6744] Tainted: [W]=WARN [ 54.010086][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.011670][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.012788][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.013692][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.014645][ T6744] sp : ffff8000a56d7140 [ 54.015216][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41e4f40 x27: 1fffe0001c83c9e8 [ 54.016411][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.017592][ T6744] x23: ffff0000e41e4f18 x22: 0000000000000000 x21: dfff800000000000 [ 54.018761][ T6744] x20: ffff0000dddae068 x19: ffff0000dddae000 x18: 1fffe000337dfe90 [ 54.019926][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 54.021074][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.022245][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.023362][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 54.024527][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 54.025686][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.026891][ T6744] Call trace: [ 54.027404][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.028409][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.029217][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.030064][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.030865][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.031677][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.032377][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.033111][ T6744] iput+0x358/0xad4 [ 54.033694][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.034403][ T6744] __dentry_kill+0x170/0x594 [ 54.035098][ T6744] shrink_kill+0xd4/0x2cc [ 54.035724][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.036426][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.037122][ T6744] do_one_tree+0x2c/0xf0 [ 54.037710][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.038545][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.039333][ T6744] kill_block_super+0x44/0x90 [ 54.040074][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.040722][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.041499][ T6744] deactivate_super+0xe0/0x100 [ 54.042183][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.042843][ T6744] __cleanup_mnt+0x20/0x30 [ 54.043476][ T6744] task_work_run+0x1dc/0x260 [ 54.044144][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.044942][ T6744] el0_svc+0x170/0x254 [ 54.045549][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.046323][ T6744] el0t_64_sync+0x198/0x19c [ 54.046955][ T6744] irq event stamp: 553706 [ 54.047592][ T6744] hardirqs last enabled at (553705): [] irqentry_exit+0xd8/0x108 [ 54.048904][ T6744] hardirqs last disabled at (553706): [] el1_brk64+0x20/0x54 [ 54.050211][ T6744] softirqs last enabled at (553408): [] local_bh_enable+0x10/0x34 [ 54.051833][ T6744] softirqs last disabled at (553406): [] local_bh_disable+0x10/0x34 [ 54.053323][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.071784][ T7216] loop0: detected capacity change from 0 to 1024 [ 54.104786][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.104885][ T6744] ------------[ cut here ]------------ [ 54.104890][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.109021][ T6744] Modules linked in: [ 54.109610][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.111226][ T6744] Tainted: [W]=WARN [ 54.111798][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.113266][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.114441][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.115391][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.116362][ T6744] sp : ffff8000a56d7140 [ 54.116995][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dcfc6260 x27: 1fffe0001b9f8c4c [ 54.118194][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.119397][ T6744] x23: ffff0000dcfc6238 x22: 0000000000000000 x21: dfff800000000000 [ 54.120574][ T6744] x20: ffff0000e4836068 x19: ffff0000e4836000 x18: 1fffe000337db690 [ 54.121770][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 54.122997][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.124187][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.125302][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 54.126413][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 54.127586][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.128804][ T6744] Call trace: [ 54.129297][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.130264][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.131049][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.131948][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.132759][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.133496][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.134174][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.134871][ T6744] iput+0x358/0xad4 [ 54.135402][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.136078][ T6744] __dentry_kill+0x170/0x594 [ 54.136718][ T6744] shrink_kill+0xd4/0x2cc [ 54.137333][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.137991][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.138727][ T6744] do_one_tree+0x2c/0xf0 [ 54.139325][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.140096][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.140831][ T6744] kill_block_super+0x44/0x90 [ 54.141514][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.142157][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.142917][ T6744] deactivate_super+0xe0/0x100 [ 54.143576][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.144220][ T6744] __cleanup_mnt+0x20/0x30 [ 54.144853][ T6744] task_work_run+0x1dc/0x260 [ 54.145510][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.146273][ T6744] el0_svc+0x170/0x254 [ 54.146888][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.147619][ T6744] el0t_64_sync+0x198/0x19c [ 54.148306][ T6744] irq event stamp: 560590 [ 54.148926][ T6744] hardirqs last enabled at (560589): [] irqentry_exit+0xd8/0x108 [ 54.150275][ T6744] hardirqs last disabled at (560590): [] el1_brk64+0x20/0x54 [ 54.151573][ T6744] softirqs last enabled at (560304): [] local_bh_enable+0x10/0x34 [ 54.152940][ T6744] softirqs last disabled at (560302): [] local_bh_disable+0x10/0x34 [ 54.154286][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.171814][ T7220] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.184961][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.185052][ T6744] ------------[ cut here ]------------ [ 54.185056][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.189723][ T6744] Modules linked in: [ 54.190315][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.191910][ T6744] Tainted: [W]=WARN [ 54.192506][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.193918][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.195095][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.196034][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.196996][ T6744] sp : ffff8000a56d7140 [ 54.197611][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e421bc20 x27: 1fffe0001c843784 [ 54.198817][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.200073][ T6744] x23: ffff0000e421bbf8 x22: 0000000000000000 x21: dfff800000000000 [ 54.201461][ T6744] x20: ffff0000d7596068 x19: ffff0000d7596000 x18: 0000000000000000 [ 54.202858][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 54.204160][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.205449][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.206705][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 54.207926][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 54.209122][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.210322][ T6744] Call trace: [ 54.210774][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.211716][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.212503][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.213357][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.214248][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.215064][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.215725][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.216410][ T6744] iput+0x358/0xad4 [ 54.216979][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.217695][ T6744] __dentry_kill+0x170/0x594 [ 54.218392][ T6744] shrink_kill+0xd4/0x2cc [ 54.219005][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.219740][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.220489][ T6744] do_one_tree+0x2c/0xf0 [ 54.221133][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.221887][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.222596][ T6744] kill_block_super+0x44/0x90 [ 54.223292][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.223967][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.224788][ T6744] deactivate_super+0xe0/0x100 [ 54.225483][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.226101][ T6744] __cleanup_mnt+0x20/0x30 [ 54.226775][ T6744] task_work_run+0x1dc/0x260 [ 54.227452][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.228188][ T6744] el0_svc+0x170/0x254 [ 54.228764][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.229529][ T6744] el0t_64_sync+0x198/0x19c [ 54.230241][ T6744] irq event stamp: 565780 [ 54.230977][ T6744] hardirqs last enabled at (565779): [] irqentry_exit+0xd8/0x108 [ 54.232366][ T6744] hardirqs last disabled at (565780): [] el1_brk64+0x20/0x54 [ 54.233723][ T6744] softirqs last enabled at (565498): [] local_bh_enable+0x10/0x34 [ 54.235116][ T6744] softirqs last disabled at (565496): [] local_bh_disable+0x10/0x34 [ 54.236517][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.252339][ T7224] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.280484][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.280571][ T6744] ------------[ cut here ]------------ [ 54.280575][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.285304][ T6744] Modules linked in: [ 54.285863][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.287434][ T6744] Tainted: [W]=WARN [ 54.287985][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.289410][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.290548][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.291468][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.292431][ T6744] sp : ffff8000a56d7140 [ 54.293001][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4219f70 x27: 1fffe0001c8433ee [ 54.294173][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.295454][ T6744] x23: ffff0000e4219f48 x22: 0000000000000000 x21: dfff800000000000 [ 54.296655][ T6744] x20: ffff0000d6b68068 x19: ffff0000d6b68000 x18: 1fffe000337db690 [ 54.297839][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 54.299019][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.300226][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.301404][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 54.302665][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 54.303849][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.304951][ T6744] Call trace: [ 54.305411][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.306278][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.307051][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.307866][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.308668][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.309451][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.310128][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.310845][ T6744] iput+0x358/0xad4 [ 54.311380][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.312098][ T6744] __dentry_kill+0x170/0x594 [ 54.312736][ T6744] shrink_kill+0xd4/0x2cc [ 54.313373][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.314021][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.314723][ T6744] do_one_tree+0x2c/0xf0 [ 54.315386][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.316171][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.316926][ T6744] kill_block_super+0x44/0x90 [ 54.317580][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.318200][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.318998][ T6744] deactivate_super+0xe0/0x100 [ 54.319710][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.320349][ T6744] __cleanup_mnt+0x20/0x30 [ 54.321018][ T6744] task_work_run+0x1dc/0x260 [ 54.321678][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.322441][ T6744] el0_svc+0x170/0x254 [ 54.323027][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.323779][ T6744] el0t_64_sync+0x198/0x19c [ 54.324414][ T6744] irq event stamp: 571116 [ 54.325034][ T6744] hardirqs last enabled at (571115): [] irqentry_exit+0xd8/0x108 [ 54.326357][ T6744] hardirqs last disabled at (571116): [] el1_brk64+0x20/0x54 [ 54.327645][ T6744] softirqs last enabled at (570778): [] local_bh_enable+0x10/0x34 [ 54.329014][ T6744] softirqs last disabled at (570776): [] local_bh_disable+0x10/0x34 [ 54.330427][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.346871][ T7228] loop0: detected capacity change from 0 to 1024 [ 54.366921][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_c ** replaying previous printk message ** [ 54.366921][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.367955][ T6744] ------------[ cut here ]------------ [ 54.367962][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.372652][ T6744] Modules linked in: [ 54.373327][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.374980][ T6744] Tainted: [W]=WARN [ 54.375590][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.377046][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.378169][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.379103][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.380038][ T6744] sp : ffff8000a56d7140 [ 54.380643][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e42295e0 x27: 1fffe0001c8452bc [ 54.381857][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.383073][ T6744] x23: ffff0000e42295b8 x22: 0000000000000000 x21: dfff800000000000 [ 54.384265][ T6744] x20: ffff0000d72aa068 x19: ffff0000d72aa000 x18: 1fffe000337db690 [ 54.385561][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 54.386866][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.388024][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.389210][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 54.390377][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 54.391561][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.392679][ T6744] Call trace: [ 54.393138][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.394060][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.394886][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.395703][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.396467][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.397273][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.397968][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.398661][ T6744] iput+0x358/0xad4 [ 54.399241][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.399902][ T6744] __dentry_kill+0x170/0x594 [ 54.400520][ T6744] shrink_kill+0xd4/0x2cc [ 54.401102][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.401835][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.402549][ T6744] do_one_tree+0x2c/0xf0 [ 54.403152][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.403923][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.404621][ T6744] kill_block_super+0x44/0x90 [ 54.405265][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.405824][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.406589][ T6744] deactivate_super+0xe0/0x100 [ 54.407254][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.407871][ T6744] __cleanup_mnt+0x20/0x30 [ 54.408496][ T6744] task_work_run+0x1dc/0x260 [ 54.409158][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.409907][ T6744] el0_svc+0x170/0x254 [ 54.410454][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.411172][ T6744] el0t_64_sync+0x198/0x19c [ 54.411804][ T6744] irq event stamp: 576872 [ 54.412451][ T6744] hardirqs last enabled at (576871): [] finish_lock_switch+0xb0/0x1c0 [ 54.413879][ T6744] hardirqs last disabled at (576872): [] el1_brk64+0x20/0x54 [ 54.415145][ T6744] softirqs last enabled at (576486): [] local_bh_enable+0x10/0x34 [ 54.416508][ T6744] softirqs last disabled at (576484): [] local_bh_disable+0x10/0x34 [ 54.418153][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.434806][ T7232] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.446216][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.446317][ T6744] ------------[ cut here ]------------ [ 54.446322][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.451198][ T6744] Modules linked in: [ 54.451798][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.453344][ T6744] Tainted: [W]=WARN [ 54.453886][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.455236][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.456340][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.457232][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.458144][ T6744] sp : ffff8000a56d7140 [ 54.458704][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4237580 x27: 1fffe0001c846eb0 [ 54.459938][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.461142][ T6744] x23: ffff0000e4237558 x22: 0000000000000000 x21: dfff800000000000 [ 54.462397][ T6744] x20: ffff0000d8a96068 x19: ffff0000d8a96000 x18: 1fffe000337db690 [ 54.463782][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 54.465052][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.466235][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.467433][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 54.468698][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 54.469913][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.471134][ T6744] Call trace: [ 54.471581][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.472517][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.473273][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.474140][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.475079][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.475959][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.476673][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.477494][ T6744] iput+0x358/0xad4 [ 54.478123][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.478895][ T6744] __dentry_kill+0x170/0x594 [ 54.479636][ T6744] shrink_kill+0xd4/0x2cc [ 54.480325][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.481086][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.481878][ T6744] do_one_tree+0x2c/0xf0 [ 54.482515][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.483364][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.484137][ T6744] kill_block_super+0x44/0x90 [ 54.484815][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.485512][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.486345][ T6744] deactivate_super+0xe0/0x100 [ 54.487076][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.487678][ T6744] __cleanup_mnt+0x20/0x30 [ 54.488318][ T6744] task_work_run+0x1dc/0x260 [ 54.488948][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.489718][ T6744] el0_svc+0x170/0x254 [ 54.490270][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.490931][ T6744] el0t_64_sync+0x198/0x19c [ 54.491521][ T6744] irq event stamp: 582314 [ 54.492164][ T6744] hardirqs last enabled at (582313): [] irqentry_exit+0xd8/0x108 [ 54.493477][ T6744] hardirqs last disabled at (582314): [] el1_brk64+0x20/0x54 [ 54.494676][ T6744] softirqs last enabled at (582238): [] local_bh_enable+0x10/0x34 [ 54.495940][ T6744] softirqs last disabled at (582236): [] local_bh_disable+0x10/0x34 [ 54.497367][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.511754][ T7236] loop0: detected capacity change from 0 to 1024 [ 54.532352][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.537786][ T6744] ------------[ cut here ]------------ [ 54.537795][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.540224][ T6744] Modules linked in: [ 54.540790][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.542278][ T6744] Tainted: [W]=WARN [ 54.542854][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.544291][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.545424][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.546321][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.547270][ T6744] sp : ffff8000a56d7140 [ 54.547913][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e423d8d0 x27: 1fffe0001c847b1a [ 54.549079][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.550220][ T6744] x23: ffff0000e423d8a8 x22: 0000000000000000 x21: dfff800000000000 [ 54.551378][ T6744] x20: ffff0000d68b2068 x19: ffff0000d68b2000 x18: 1fffe000337db690 [ 54.552516][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 54.553696][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.554784][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.555947][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 54.557222][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 54.558446][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.559672][ T6744] Call trace: [ 54.560153][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.561115][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.561892][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.562692][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.563507][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.564302][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.565003][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.565801][ T6744] iput+0x358/0xad4 [ 54.566339][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.567076][ T6744] __dentry_kill+0x170/0x594 [ 54.567739][ T6744] shrink_kill+0xd4/0x2cc [ 54.568416][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.569154][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.569877][ T6744] do_one_tree+0x2c/0xf0 [ 54.570442][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.571180][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.571998][ T6744] kill_block_super+0x44/0x90 [ 54.572743][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.573469][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.574265][ T6744] deactivate_super+0xe0/0x100 [ 54.574972][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.575664][ T6744] __cleanup_mnt+0x20/0x30 [ 54.576405][ T6744] task_work_run+0x1dc/0x260 [ 54.577193][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.578065][ T6744] el0_svc+0x170/0x254 [ 54.578759][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.579553][ T6744] el0t_64_sync+0x198/0x19c [ 54.580288][ T6744] irq event stamp: 587548 [ 54.580910][ T6744] hardirqs last enabled at (587547): [] finish_lock_switch+0xb0/0x1c0 [ 54.582395][ T6744] hardirqs last disabled at (587548): [] el1_brk64+0x20/0x54 [ 54.583700][ T6744] softirqs last enabled at (587272): [] local_bh_enable+0x10/0x34 [ 54.585020][ T6744] softirqs last disabled at (587270): [] local_bh_disable+0x10/0x34 [ 54.586343][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.600664][ T7240] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 54.631217][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.631329][ T6744] ------------[ cut here ]------------ [ 54.631333][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.636050][ T6744] Modules linked in: [ 54.636617][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.638178][ T6744] Tainted: [W]=WARN [ 54.638738][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.640207][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.641314][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.642294][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.643219][ T6744] sp : ffff8000a56d7140 [ 54.643816][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e423f580 x27: 1fffe0001c847eb0 [ 54.645006][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.646118][ T6744] x23: ffff0000e423f558 x22: 0000000000000000 x21: dfff800000000000 [ 54.647271][ T6744] x20: ffff0000d5a78068 x19: ffff0000d5a78000 x18: 1fffe000337db690 [ 54.648434][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 54.649567][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.650774][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.651985][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 54.653195][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 54.654424][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.655634][ T6744] Call trace: [ 54.656058][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.657008][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.657755][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.658637][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.659405][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.660154][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.660778][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.661529][ T6744] iput+0x358/0xad4 [ 54.662038][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.662810][ T6744] __dentry_kill+0x170/0x594 [ 54.663486][ T6744] shrink_kill+0xd4/0x2cc [ 54.664091][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.664800][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.665498][ T6744] do_one_tree+0x2c/0xf0 [ 54.666111][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.666922][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.667692][ T6744] kill_block_super+0x44/0x90 [ 54.668419][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.669119][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.669942][ T6744] deactivate_super+0xe0/0x100 [ 54.670645][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.671281][ T6744] __cleanup_mnt+0x20/0x30 [ 54.671927][ T6744] task_work_run+0x1dc/0x260 [ 54.672568][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.673284][ T6744] el0_svc+0x170/0x254 [ 54.673859][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.674620][ T6744] el0t_64_sync+0x198/0x19c [ 54.675246][ T6744] irq event stamp: 593190 [ 54.675847][ T6744] hardirqs last enabled at (593189): [] irqentry_exit+0xd8/0x108 [ 54.677169][ T6744] hardirqs last disabled at (593190): [] el1_brk64+0x20/0x54 [ 54.678441][ T6744] softirqs last enabled at (592928): [] local_bh_enable+0x10/0x34 [ 54.679773][ T6744] softirqs last disabled at (592926): [] local_bh_disable+0x10/0x34 [ 54.681286][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.696515][ T7244] loop0: detected capacity change from 0 to 1024 [ 54.718146][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.720122][ T6744] ------------[ cut here ]------------ [ 54.720129][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.722514][ T6744] Modules linked in: [ 54.723079][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.724743][ T6744] Tainted: [W]=WARN [ 54.725285][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.726758][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.727933][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.728940][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.729919][ T6744] sp : ffff8000a56d7140 [ 54.730565][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dcf86bf0 x27: 1fffe0001b9f0d7e [ 54.731754][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.732915][ T6744] x23: ffff0000dcf86bc8 x22: 0000000000000000 x21: dfff800000000000 [ 54.734115][ T6744] x20: ffff0000ce2ea068 x19: ffff0000ce2ea000 x18: 1fffe000337dfe90 [ 54.735253][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 54.736485][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.737632][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.738865][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 54.740064][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 54.741228][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.742367][ T6744] Call trace: [ 54.742853][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.743824][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.744597][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.745469][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.746334][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.747117][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.747742][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.748454][ T6744] iput+0x358/0xad4 [ 54.749013][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.749747][ T6744] __dentry_kill+0x170/0x594 [ 54.750385][ T6744] shrink_kill+0xd4/0x2cc [ 54.750958][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.751611][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.752299][ T6744] do_one_tree+0x2c/0xf0 [ 54.752897][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.753711][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.754459][ T6744] kill_block_super+0x44/0x90 [ 54.755194][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.755786][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.756529][ T6744] deactivate_super+0xe0/0x100 [ 54.757248][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.757922][ T6744] __cleanup_mnt+0x20/0x30 [ 54.758600][ T6744] task_work_run+0x1dc/0x260 [ 54.759262][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.760102][ T6744] el0_svc+0x170/0x254 [ 54.760764][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.761599][ T6744] el0t_64_sync+0x198/0x19c [ 54.762341][ T6744] irq event stamp: 599240 [ 54.763006][ T6744] hardirqs last enabled at (599239): [] finish_lock_switch+0xb0/0x1c0 [ 54.764483][ T6744] hardirqs last disabled at (599240): [] el1_brk64+0x20/0x54 [ 54.765943][ T6744] softirqs last enabled at (599068): [] local_bh_enable+0x10/0x34 [ 54.767367][ T6744] softirqs last disabled at (599066): [] local_bh_disable+0x10/0x34 [ 54.768823][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.791774][ T7248] loop0: detected capacity change from 0 to 1024 [ 54.810298][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.812335][ T6744] ------------[ cut here ]------------ [ 54.812344][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.814805][ T6744] Modules linked in: [ 54.815396][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.817048][ T6744] Tainted: [W]=WARN [ 54.817624][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.819270][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.820493][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.821480][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.822480][ T6744] sp : ffff8000a56d7140 [ 54.823117][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41f15e0 x27: 1fffe0001c83e2bc [ 54.824285][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.825586][ T6744] x23: ffff0000e41f15b8 x22: 0000000000000000 x21: dfff800000000000 [ 54.826782][ T6744] x20: ffff0000db5cc068 x19: ffff0000db5cc000 x18: 1fffe000337dfe90 [ 54.827996][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 54.829191][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.830373][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.831579][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 54.832844][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 54.834053][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.835288][ T6744] Call trace: [ 54.835745][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.836772][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.837507][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.838400][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.839296][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.840101][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.840821][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.841557][ T6744] iput+0x358/0xad4 [ 54.842085][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.842792][ T6744] __dentry_kill+0x170/0x594 [ 54.843539][ T6744] shrink_kill+0xd4/0x2cc [ 54.844179][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.844899][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.845655][ T6744] do_one_tree+0x2c/0xf0 [ 54.846251][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.847033][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.847798][ T6744] kill_block_super+0x44/0x90 [ 54.848523][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.849172][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.849977][ T6744] deactivate_super+0xe0/0x100 [ 54.850663][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.851261][ T6744] __cleanup_mnt+0x20/0x30 [ 54.851885][ T6744] task_work_run+0x1dc/0x260 [ 54.852561][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.853355][ T6744] el0_svc+0x170/0x254 [ 54.853972][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.854738][ T6744] el0t_64_sync+0x198/0x19c [ 54.855403][ T6744] irq event stamp: 604710 [ 54.856057][ T6744] hardirqs last enabled at (604709): [] finish_lock_switch+0xb0/0x1c0 [ 54.857589][ T6744] hardirqs last disabled at (604710): [] el1_brk64+0x20/0x54 [ 54.858914][ T6744] softirqs last enabled at (604536): [] local_bh_enable+0x10/0x34 [ 54.860279][ T6744] softirqs last disabled at (604534): [] local_bh_disable+0x10/0x34 [ 54.861701][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.883494][ T7252] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.903403][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.903492][ T6744] ------------[ cut here ]------------ [ 54.903497][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.908239][ T6744] Modules linked in: [ 54.908855][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.910528][ T6744] Tainted: [W]=WARN [ 54.911116][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.912773][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.913969][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.914936][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.915910][ T6744] sp : ffff8000a56d7140 [ 54.916519][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40a9f70 x27: 1fffe0001c8153ee [ 54.917675][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 54.918866][ T6744] x23: ffff0000e40a9f48 x22: 0000000000000000 x21: dfff800000000000 [ 54.920068][ T6744] x20: ffff0000c73e0068 x19: ffff0000c73e0000 x18: 1fffe000337db690 [ 54.921240][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 54.922460][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 54.923629][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 54.924797][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 54.925945][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 54.927157][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.928324][ T6744] Call trace: [ 54.928825][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 54.929720][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 54.930490][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.931318][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.932163][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.932944][ T6744] ext4_dirty_inode+0xd4/0x104 [ 54.933597][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 54.934324][ T6744] iput+0x358/0xad4 [ 54.934861][ T6744] dentry_unlink_inode+0x384/0x45c [ 54.935588][ T6744] __dentry_kill+0x170/0x594 [ 54.936241][ T6744] shrink_kill+0xd4/0x2cc [ 54.936833][ T6744] shrink_dentry_list+0x31c/0x6cc [ 54.937564][ T6744] shrink_dcache_parent+0xac/0x27c [ 54.938281][ T6744] do_one_tree+0x2c/0xf0 [ 54.938888][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 54.939717][ T6744] generic_shutdown_super+0x68/0x2b8 [ 54.940448][ T6744] kill_block_super+0x44/0x90 [ 54.941076][ T6744] ext4_kill_sb+0x68/0xa4 [ 54.941698][ T6744] deactivate_locked_super+0xc4/0x12c [ 54.942425][ T6744] deactivate_super+0xe0/0x100 [ 54.943054][ T6744] cleanup_mnt+0x31c/0x3ac [ 54.943658][ T6744] __cleanup_mnt+0x20/0x30 [ 54.944333][ T6744] task_work_run+0x1dc/0x260 [ 54.945001][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 54.945765][ T6744] el0_svc+0x170/0x254 [ 54.946306][ T6744] el0t_64_sync_handler+0x84/0x12c [ 54.947023][ T6744] el0t_64_sync+0x198/0x19c [ 54.947653][ T6744] irq event stamp: 610760 [ 54.948297][ T6744] hardirqs last enabled at (610759): [] irqentry_exit+0xd8/0x108 [ 54.949635][ T6744] hardirqs last disabled at (610760): [] el1_brk64+0x20/0x54 [ 54.950896][ T6744] softirqs last enabled at (610488): [] local_bh_enable+0x10/0x34 [ 54.952351][ T6744] softirqs last disabled at (610486): [] local_bh_disable+0x10/0x34 [ 54.953632][ T6744] ---[ end trace 0000000000000000 ]--- [ 54.968597][ T7256] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.989578][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 54.989666][ T6744] ------------[ cut here ]------------ [ 54.989670][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 54.994237][ T6744] Modules linked in: [ 54.994818][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.996316][ T6744] Tainted: [W]=WARN [ 54.996853][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.998317][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.999474][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.000432][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.001377][ T6744] sp : ffff8000a56d7140 [ 55.001958][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4246bf0 x27: 1fffe0001c848d7e [ 55.003134][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.004353][ T6744] x23: ffff0000e4246bc8 x22: 0000000000000000 x21: dfff800000000000 [ 55.005503][ T6744] x20: ffff0000dfbac068 x19: ffff0000dfbac000 x18: 1fffe000337db690 [ 55.006736][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 55.007989][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.009128][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.010341][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 55.011456][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 55.012617][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.013811][ T6744] Call trace: [ 55.014246][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.015214][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.015956][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.016809][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.017569][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.018399][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.019084][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.019829][ T6744] iput+0x358/0xad4 [ 55.020346][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.021108][ T6744] __dentry_kill+0x170/0x594 [ 55.021781][ T6744] shrink_kill+0xd4/0x2cc [ 55.022418][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.023107][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.023809][ T6744] do_one_tree+0x2c/0xf0 [ 55.024414][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.025152][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.025864][ T6744] kill_block_super+0x44/0x90 [ 55.026584][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.027222][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.027997][ T6744] deactivate_super+0xe0/0x100 [ 55.028672][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.029284][ T6744] __cleanup_mnt+0x20/0x30 [ 55.029870][ T6744] task_work_run+0x1dc/0x260 [ 55.030512][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.031281][ T6744] el0_svc+0x170/0x254 [ 55.031884][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.032645][ T6744] el0t_64_sync+0x198/0x19c [ 55.033330][ T6744] irq event stamp: 616960 [ 55.033940][ T6744] hardirqs last enabled at (616959): [] irqentry_exit+0xd8/0x108 [ 55.035242][ T6744] hardirqs last disabled at (616960): [] el1_brk64+0x20/0x54 [ 55.036509][ T6744] softirqs last enabled at (616602): [] local_bh_enable+0x10/0x34 [ 55.037774][ T6744] softirqs last disabled at (616600): [] local_bh_disable+0x10/0x34 [ 55.039087][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.054007][ T7260] loop0: detected capacity change from 0 to 1024 [ 55.065068][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.067251][ T6744] ------------[ cut here ]------------ [ 55.067258][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.069740][ T6744] Modules linked in: [ 55.070345][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.072066][ T6744] Tainted: [W]=WARN [ 55.072625][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.074180][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.075350][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.076327][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.077277][ T6744] sp : ffff8000a56d7140 [ 55.077904][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41f6260 x27: 1fffe0001c83ec4c [ 55.079089][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.080278][ T6744] x23: ffff0000e41f6238 x22: 0000000000000000 x21: dfff800000000000 [ 55.081485][ T6744] x20: ffff0000c7d9a068 x19: ffff0000c7d9a000 x18: 1fffe000337dfe90 [ 55.082692][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 55.083936][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.085152][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.086329][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 55.087579][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 55.088747][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.089909][ T6744] Call trace: [ 55.090390][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.091267][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.092027][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.092931][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.093765][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.094538][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.095251][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.096011][ T6744] iput+0x358/0xad4 [ 55.096559][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.097321][ T6744] __dentry_kill+0x170/0x594 [ 55.097980][ T6744] shrink_kill+0xd4/0x2cc [ 55.098626][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.099445][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.100203][ T6744] do_one_tree+0x2c/0xf0 [ 55.100812][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.101659][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.102455][ T6744] kill_block_super+0x44/0x90 [ 55.103197][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.103840][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.104593][ T6744] deactivate_super+0xe0/0x100 [ 55.105278][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.105971][ T6744] __cleanup_mnt+0x20/0x30 [ 55.106647][ T6744] task_work_run+0x1dc/0x260 [ 55.107387][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.108195][ T6744] el0_svc+0x170/0x254 [ 55.108800][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.109584][ T6744] el0t_64_sync+0x198/0x19c [ 55.110249][ T6744] irq event stamp: 622264 [ 55.110880][ T6744] hardirqs last enabled at (622263): [] finish_lock_switch+0xb0/0x1c0 [ 55.112256][ T6744] hardirqs last disabled at (622264): [] el1_brk64+0x20/0x54 [ 55.113674][ T6744] softirqs last enabled at (622094): [] local_bh_enable+0x10/0x34 [ 55.115055][ T6744] softirqs last disabled at (622092): [] local_bh_disable+0x10/0x34 [ 55.116465][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.137209][ T7264] loop0: detected capacity change from 0 to 1024 [ 55.151613][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.151710][ T6744] ------------[ cut here ]------------ [ 55.151716][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.155783][ T6744] Modules linked in: [ 55.156430][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.158015][ T6744] Tainted: [W]=WARN [ 55.158609][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.160113][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.161192][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.162169][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.163133][ T6744] sp : ffff8000a56d7140 [ 55.163743][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4242900 x27: 1fffe0001c848520 [ 55.164907][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.166001][ T6744] x23: ffff0000e42428d8 x22: 0000000000000000 x21: dfff800000000000 [ 55.167098][ T6744] x20: ffff0000c8b88068 x19: ffff0000c8b88000 x18: 1fffe000337db690 [ 55.168337][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 55.169493][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.170581][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.171724][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 55.172852][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 55.174042][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.175188][ T6744] Call trace: [ 55.175605][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.176573][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.177360][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.178146][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.178962][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.179826][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.180510][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.181235][ T6744] iput+0x358/0xad4 [ 55.181757][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.182500][ T6744] __dentry_kill+0x170/0x594 [ 55.183121][ T6744] shrink_kill+0xd4/0x2cc [ 55.183730][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.184448][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.185174][ T6744] do_one_tree+0x2c/0xf0 [ 55.185789][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.186581][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.187341][ T6744] kill_block_super+0x44/0x90 [ 55.188014][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.188625][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.189390][ T6744] deactivate_super+0xe0/0x100 [ 55.190146][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.190739][ T6744] __cleanup_mnt+0x20/0x30 [ 55.191327][ T6744] task_work_run+0x1dc/0x260 [ 55.191995][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.192721][ T6744] el0_svc+0x170/0x254 [ 55.193335][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.194061][ T6744] el0t_64_sync+0x198/0x19c [ 55.194705][ T6744] irq event stamp: 627810 [ 55.195334][ T6744] hardirqs last enabled at (627809): [] irqentry_exit+0xd8/0x108 [ 55.196608][ T6744] hardirqs last disabled at (627810): [] el1_brk64+0x20/0x54 [ 55.197842][ T6744] softirqs last enabled at (627544): [] local_bh_enable+0x10/0x34 [ 55.199204][ T6744] softirqs last disabled at (627542): [] local_bh_disable+0x10/0x34 [ 55.200561][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.208753][ T53] Bluetooth: hci0: command tx timeout [ 55.216873][ T7268] loop0: detected capacity change from 0 to 1024 [ 55.239551][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.241586][ T6744] ------------[ cut here ]------------ [ 55.241594][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.243936][ T6744] Modules linked in: [ 55.244580][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.246176][ T6744] Tainted: [W]=WARN [ 55.246738][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.248263][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.249445][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.250412][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.251367][ T6744] sp : ffff8000a56d7140 [ 55.251996][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4090c50 x27: 1fffe0001c81218a [ 55.253152][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.254344][ T6744] x23: ffff0000e4090c28 x22: 0000000000000000 x21: dfff800000000000 [ 55.255567][ T6744] x20: ffff0000e4948068 x19: ffff0000e4948000 x18: 1fffe000337dfe90 [ 55.256832][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 55.258187][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.259481][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.260808][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 55.262118][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 55.263346][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.264580][ T6744] Call trace: [ 55.265091][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.266120][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.266897][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.267810][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.268652][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.269414][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.270095][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.270830][ T6744] iput+0x358/0xad4 [ 55.271386][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.272156][ T6744] __dentry_kill+0x170/0x594 [ 55.272820][ T6744] shrink_kill+0xd4/0x2cc [ 55.273486][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.274345][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.275206][ T6744] do_one_tree+0x2c/0xf0 [ 55.275920][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.276781][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.277608][ T6744] kill_block_super+0x44/0x90 [ 55.278385][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.279049][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.279956][ T6744] deactivate_super+0xe0/0x100 [ 55.280713][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.281425][ T6744] __cleanup_mnt+0x20/0x30 [ 55.282115][ T6744] task_work_run+0x1dc/0x260 [ 55.282894][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.283822][ T6744] el0_svc+0x170/0x254 [ 55.284451][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.285256][ T6744] el0t_64_sync+0x198/0x19c [ 55.285937][ T6744] irq event stamp: 634256 [ 55.286600][ T6744] hardirqs last enabled at (634255): [] finish_lock_switch+0xb0/0x1c0 [ 55.288046][ T6744] hardirqs last disabled at (634256): [] el1_brk64+0x20/0x54 [ 55.289442][ T6744] softirqs last enabled at (633974): [] local_bh_enable+0x10/0x34 [ 55.290840][ T6744] softirqs last disabled at (633972): [] local_bh_disable+0x10/0x34 [ 55.292327][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.311632][ T7272] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 55.330990][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.331098][ T6744] ------------[ cut here ]------------ [ 55.331102][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.335895][ T6744] Modules linked in: [ 55.336546][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.338258][ T6744] Tainted: [W]=WARN [ 55.338867][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.340408][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.341529][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.342472][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.343431][ T6744] sp : ffff8000a56d7140 [ 55.344050][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40d02c0 x27: 1fffe0001c81a058 [ 55.345219][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.346405][ T6744] x23: ffff0000e40d0298 x22: 0000000000000000 x21: dfff800000000000 [ 55.347555][ T6744] x20: ffff0000c7e6e068 x19: ffff0000c7e6e000 x18: 1fffe000337dfe90 [ 55.348809][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 55.350031][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.351222][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.352489][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 55.353769][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 55.354963][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.356261][ T6744] Call trace: [ 55.356756][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.357793][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.358605][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.359438][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.360225][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.361093][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.361805][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.362579][ T6744] iput+0x358/0xad4 [ 55.363187][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.363948][ T6744] __dentry_kill+0x170/0x594 [ 55.364634][ T6744] shrink_kill+0xd4/0x2cc [ 55.365229][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.365978][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.366741][ T6744] do_one_tree+0x2c/0xf0 [ 55.367406][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.368227][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.369010][ T6744] kill_block_super+0x44/0x90 [ 55.369736][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.370415][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.371209][ T6744] deactivate_super+0xe0/0x100 [ 55.371960][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.372609][ T6744] __cleanup_mnt+0x20/0x30 [ 55.373378][ T6744] task_work_run+0x1dc/0x260 [ 55.374177][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.375081][ T6744] el0_svc+0x170/0x254 [ 55.375711][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.376521][ T6744] el0t_64_sync+0x198/0x19c [ 55.377189][ T6744] irq event stamp: 639472 [ 55.377882][ T6744] hardirqs last enabled at (639471): [] irqentry_exit+0xd8/0x108 [ 55.379357][ T6744] hardirqs last disabled at (639472): [] el1_brk64+0x20/0x54 [ 55.380894][ T6744] softirqs last enabled at (639200): [] local_bh_enable+0x10/0x34 [ 55.382516][ T6744] softirqs last disabled at (639198): [] local_bh_disable+0x10/0x34 [ 55.384120][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.399981][ T7276] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 55.424002][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.424118][ T6744] ------------[ cut here ]------------ [ 55.424122][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.429093][ T6744] Modules linked in: [ 55.429753][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.431337][ T6744] Tainted: [W]=WARN [ 55.431961][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.433475][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.434605][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.435597][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.436647][ T6744] sp : ffff8000a56d7140 [ 55.437270][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c16ec5b0 x27: 1fffe000182dd8b6 [ 55.438519][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.439722][ T6744] x23: ffff0000c16ec588 x22: 0000000000000000 x21: dfff800000000000 [ 55.440910][ T6744] x20: ffff0000c74f8068 x19: ffff0000c74f8000 x18: 1fffe000337dfe90 [ 55.442105][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 55.443335][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.444524][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.445728][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 55.447023][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 55.448231][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.449413][ T6744] Call trace: [ 55.449919][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.450857][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.451638][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.452487][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.453348][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.454160][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.454915][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.455699][ T6744] iput+0x358/0xad4 [ 55.456256][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.456970][ T6744] __dentry_kill+0x170/0x594 [ 55.457648][ T6744] shrink_kill+0xd4/0x2cc [ 55.458332][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.459088][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.459836][ T6744] do_one_tree+0x2c/0xf0 [ 55.460498][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.461268][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.462018][ T6744] kill_block_super+0x44/0x90 [ 55.462681][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.463373][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.464261][ T6744] deactivate_super+0xe0/0x100 [ 55.465055][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.465787][ T6744] __cleanup_mnt+0x20/0x30 [ 55.466547][ T6744] task_work_run+0x1dc/0x260 [ 55.467374][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.468187][ T6744] el0_svc+0x170/0x254 [ 55.468828][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.469670][ T6744] el0t_64_sync+0x198/0x19c [ 55.470423][ T6744] irq event stamp: 645900 [ 55.471144][ T6744] hardirqs last enabled at (645899): [] irqentry_exit+0xd8/0x108 [ 55.472570][ T6744] hardirqs last disabled at (645900): [] el1_brk64+0x20/0x54 [ 55.473897][ T6744] softirqs last enabled at (645636): [] local_bh_enable+0x10/0x34 [ 55.475435][ T6744] softirqs last disabled at (645634): [] local_bh_disable+0x10/0x34 [ 55.476919][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.495239][ T7280] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 55.515049][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.515146][ T6744] ------------[ cut here ]------------ [ 55.515150][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.520201][ T6744] Modules linked in: [ 55.520804][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.522513][ T6744] Tainted: [W]=WARN [ 55.523096][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.524716][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.525931][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.526949][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.527894][ T6744] sp : ffff8000a56d7140 [ 55.528513][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c16f1f70 x27: 1fffe000182de3ee [ 55.529700][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.530922][ T6744] x23: ffff0000c16f1f48 x22: 0000000000000000 x21: dfff800000000000 [ 55.532140][ T6744] x20: ffff0000e1b8c068 x19: ffff0000e1b8c000 x18: 1fffe000337dfe90 [ 55.533367][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 55.534553][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.535762][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.537052][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 55.538260][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 55.539472][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.540649][ T6744] Call trace: [ 55.541107][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.542090][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.542839][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.543727][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.544593][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.545381][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.546046][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.546807][ T6744] iput+0x358/0xad4 [ 55.547397][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.548159][ T6744] __dentry_kill+0x170/0x594 [ 55.548838][ T6744] shrink_kill+0xd4/0x2cc [ 55.549449][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.550193][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.550946][ T6744] do_one_tree+0x2c/0xf0 [ 55.551576][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.552356][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.553204][ T6744] kill_block_super+0x44/0x90 [ 55.553912][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.554641][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.555579][ T6744] deactivate_super+0xe0/0x100 [ 55.556383][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.557141][ T6744] __cleanup_mnt+0x20/0x30 [ 55.557889][ T6744] task_work_run+0x1dc/0x260 [ 55.558640][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.559478][ T6744] el0_svc+0x170/0x254 [ 55.560149][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.560950][ T6744] el0t_64_sync+0x198/0x19c [ 55.561671][ T6744] irq event stamp: 651888 [ 55.562345][ T6744] hardirqs last enabled at (651887): [] irqentry_exit+0xd8/0x108 [ 55.563845][ T6744] hardirqs last disabled at (651888): [] el1_brk64+0x20/0x54 [ 55.565295][ T6744] softirqs last enabled at (651724): [] local_bh_enable+0x10/0x34 [ 55.566788][ T6744] softirqs last disabled at (651722): [] local_bh_disable+0x10/0x34 [ 55.568275][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.582212][ T7284] loop0: detected capacity change from 0 to 1024 [ 55.599361][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.601223][ T6744] ------------[ cut here ]------------ [ 55.601235][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.603764][ T6744] Modules linked in: [ 55.604372][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.605876][ T6744] Tainted: [W]=WARN [ 55.606442][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.607971][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.609127][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.610083][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.611015][ T6744] sp : ffff8000a56d7140 [ 55.611707][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c16f3c20 x27: 1fffe000182de784 [ 55.613011][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.614347][ T6744] x23: ffff0000c16f3bf8 x22: 0000000000000000 x21: dfff800000000000 [ 55.615653][ T6744] x20: ffff0000c9ed8068 x19: ffff0000c9ed8000 x18: 1fffe000337dfe90 [ 55.616935][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 55.618245][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.619475][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.620667][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 55.621896][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 55.623049][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.624212][ T6744] Call trace: [ 55.624690][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.625706][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.626492][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.627392][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.628311][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.629255][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.630036][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.630818][ T6744] iput+0x358/0xad4 [ 55.631411][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.632209][ T6744] __dentry_kill+0x170/0x594 [ 55.633015][ T6744] shrink_kill+0xd4/0x2cc [ 55.633723][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.634545][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.635360][ T6744] do_one_tree+0x2c/0xf0 [ 55.635998][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.636918][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.637741][ T6744] kill_block_super+0x44/0x90 [ 55.638432][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.639102][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.639991][ T6744] deactivate_super+0xe0/0x100 [ 55.640696][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.641368][ T6744] __cleanup_mnt+0x20/0x30 [ 55.642014][ T6744] task_work_run+0x1dc/0x260 [ 55.642685][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.643464][ T6744] el0_svc+0x170/0x254 [ 55.644053][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.644803][ T6744] el0t_64_sync+0x198/0x19c [ 55.645478][ T6744] irq event stamp: 657240 [ 55.646068][ T6744] hardirqs last enabled at (657239): [] finish_lock_switch+0xb0/0x1c0 [ 55.647556][ T6744] hardirqs last disabled at (657240): [] el1_brk64+0x20/0x54 [ 55.648881][ T6744] softirqs last enabled at (656946): [] local_bh_enable+0x10/0x34 [ 55.650278][ T6744] softirqs last disabled at (656944): [] local_bh_disable+0x10/0x34 [ 55.651820][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.673026][ T7288] loop0: detected capacity change from 0 to 1024 [ 55.691939][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.693897][ T6744] ------------[ cut here ]------------ [ 55.693904][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.696136][ T6744] Modules linked in: [ 55.696724][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.698243][ T6744] Tainted: [W]=WARN [ 55.698793][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.700293][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.701441][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.702425][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.703388][ T6744] sp : ffff8000a56d7140 [ 55.703951][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c175f580 x27: 1fffe000182ebeb0 [ 55.705082][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.706218][ T6744] x23: ffff0000c175f558 x22: 0000000000000000 x21: dfff800000000000 [ 55.707337][ T6744] x20: ffff0000cd384068 x19: ffff0000cd384000 x18: 1fffe000337db690 [ 55.708450][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 55.709640][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.710801][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.712016][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 55.713192][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 55.714342][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.715476][ T6744] Call trace: [ 55.715948][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.716888][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.717752][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.718728][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.719655][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.720522][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.721301][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.722142][ T6744] iput+0x358/0xad4 [ 55.722721][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.723512][ T6744] __dentry_kill+0x170/0x594 [ 55.724212][ T6744] shrink_kill+0xd4/0x2cc [ 55.724866][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.725603][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.726497][ T6744] do_one_tree+0x2c/0xf0 [ 55.727192][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.728052][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.728891][ T6744] kill_block_super+0x44/0x90 [ 55.729638][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.730305][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.731090][ T6744] deactivate_super+0xe0/0x100 [ 55.731787][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.732468][ T6744] __cleanup_mnt+0x20/0x30 [ 55.733147][ T6744] task_work_run+0x1dc/0x260 [ 55.733790][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.734526][ T6744] el0_svc+0x170/0x254 [ 55.735116][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.735854][ T6744] el0t_64_sync+0x198/0x19c [ 55.736486][ T6744] irq event stamp: 662646 [ 55.737062][ T6744] hardirqs last enabled at (662645): [] finish_lock_switch+0xb0/0x1c0 [ 55.738413][ T6744] hardirqs last disabled at (662646): [] el1_brk64+0x20/0x54 [ 55.739668][ T6744] softirqs last enabled at (662340): [] local_bh_enable+0x10/0x34 [ 55.740977][ T6744] softirqs last disabled at (662338): [] local_bh_disable+0x10/0x34 [ 55.742340][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.761565][ T7292] loop0: detected capacity change from 0 to 1024 [ 55.780380][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.780468][ T6744] ------------[ cut here ]------------ [ 55.780473][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.784610][ T6744] Modules linked in: [ 55.785176][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.786701][ T6744] Tainted: [W]=WARN [ 55.787253][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.788806][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.789936][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.790918][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.791808][ T6744] sp : ffff8000a56d7140 [ 55.792397][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1767580 x27: 1fffe000182eceb0 [ 55.793493][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.794647][ T6744] x23: ffff0000c1767558 x22: 0000000000000000 x21: dfff800000000000 [ 55.795788][ T6744] x20: ffff0000ccab4068 x19: ffff0000ccab4000 x18: 1fffe000337db690 [ 55.796947][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 55.798116][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.799273][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.800406][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 55.801541][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 55.802686][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.803777][ T6744] Call trace: [ 55.804250][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.805228][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.806039][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.806835][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.807643][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.808409][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.809098][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.809828][ T6744] iput+0x358/0xad4 [ 55.810398][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.811135][ T6744] __dentry_kill+0x170/0x594 [ 55.811776][ T6744] shrink_kill+0xd4/0x2cc [ 55.812351][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.813024][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.813784][ T6744] do_one_tree+0x2c/0xf0 [ 55.814391][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.815162][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.815909][ T6744] kill_block_super+0x44/0x90 [ 55.816549][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.817136][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.817898][ T6744] deactivate_super+0xe0/0x100 [ 55.818539][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.819186][ T6744] __cleanup_mnt+0x20/0x30 [ 55.819850][ T6744] task_work_run+0x1dc/0x260 [ 55.820520][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.821312][ T6744] el0_svc+0x170/0x254 [ 55.821891][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.822635][ T6744] el0t_64_sync+0x198/0x19c [ 55.823268][ T6744] irq event stamp: 668690 [ 55.823858][ T6744] hardirqs last enabled at (668689): [] irqentry_exit+0xd8/0x108 [ 55.825225][ T6744] hardirqs last disabled at (668690): [] el1_brk64+0x20/0x54 [ 55.826448][ T6744] softirqs last enabled at (668390): [] local_bh_enable+0x10/0x34 [ 55.827778][ T6744] softirqs last disabled at (668388): [] local_bh_disable+0x10/0x34 [ 55.829149][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.844541][ T7296] loop0: detected capacity change from 0 to 1024 [ 55.862905][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.864880][ T6744] ------------[ cut here ]------------ [ 55.864888][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.867360][ T6744] Modules linked in: [ 55.867988][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.869679][ T6744] Tainted: [W]=WARN [ 55.870265][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.871756][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.872930][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.873958][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.874957][ T6744] sp : ffff8000a56d7140 [ 55.875572][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1763c20 x27: 1fffe000182ec784 [ 55.876833][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.878071][ T6744] x23: ffff0000c1763bf8 x22: 0000000000000000 x21: dfff800000000000 [ 55.879347][ T6744] x20: ffff0000d3132068 x19: ffff0000d3132000 x18: 1fffe000337dfe90 [ 55.880512][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 55.881787][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.883108][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.884388][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 55.885736][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 55.886971][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.888230][ T6744] Call trace: [ 55.888739][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.889742][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.890657][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.891561][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.892409][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.893239][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.893904][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.894647][ T6744] iput+0x358/0xad4 [ 55.895208][ T6744] dentry_unlink_inode+0x384/0x45c [ 55.895975][ T6744] __dentry_kill+0x170/0x594 [ 55.896647][ T6744] shrink_kill+0xd4/0x2cc [ 55.897339][ T6744] shrink_dentry_list+0x31c/0x6cc [ 55.898097][ T6744] shrink_dcache_parent+0xac/0x27c [ 55.898875][ T6744] do_one_tree+0x2c/0xf0 [ 55.899481][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 55.900312][ T6744] generic_shutdown_super+0x68/0x2b8 [ 55.901131][ T6744] kill_block_super+0x44/0x90 [ 55.901837][ T6744] ext4_kill_sb+0x68/0xa4 [ 55.902487][ T6744] deactivate_locked_super+0xc4/0x12c [ 55.903363][ T6744] deactivate_super+0xe0/0x100 [ 55.904086][ T6744] cleanup_mnt+0x31c/0x3ac [ 55.904768][ T6744] __cleanup_mnt+0x20/0x30 [ 55.905495][ T6744] task_work_run+0x1dc/0x260 [ 55.906205][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 55.907006][ T6744] el0_svc+0x170/0x254 [ 55.907674][ T6744] el0t_64_sync_handler+0x84/0x12c [ 55.908498][ T6744] el0t_64_sync+0x198/0x19c [ 55.909203][ T6744] irq event stamp: 674908 [ 55.909816][ T6744] hardirqs last enabled at (674907): [] finish_lock_switch+0xb0/0x1c0 [ 55.911328][ T6744] hardirqs last disabled at (674908): [] el1_brk64+0x20/0x54 [ 55.912715][ T6744] softirqs last enabled at (674740): [] local_bh_enable+0x10/0x34 [ 55.914165][ T6744] softirqs last disabled at (674738): [] local_bh_disable+0x10/0x34 [ 55.915551][ T6744] ---[ end trace 0000000000000000 ]--- [ 55.935906][ T7300] loop0: detected capacity change from 0 to 1024 [ 55.966830][ T6744] EXT4-fs warning (device loop0): ext4_xattr_i ** replaying previous printk message ** [ 55.966830][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 55.967804][ T6744] ------------[ cut here ]------------ [ 55.967811][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.972708][ T6744] Modules linked in: [ 55.973365][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.975020][ T6744] Tainted: [W]=WARN [ 55.975601][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.977221][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.978559][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.979643][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 55.980649][ T6744] sp : ffff8000a56d7140 [ 55.981319][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e409ebf0 x27: 1fffe0001c813d7e [ 55.982586][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 55.983818][ T6744] x23: ffff0000e409ebc8 x22: 0000000000000000 x21: dfff800000000000 [ 55.985048][ T6744] x20: ffff0000ce4b0068 x19: ffff0000ce4b0000 x18: 1fffe000337dfe90 [ 55.986235][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 55.987399][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 55.988577][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 55.989719][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 55.990890][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 55.992146][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.993400][ T6744] Call trace: [ 55.993888][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 55.994876][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 55.995725][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 55.996589][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.997465][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.998333][ T6744] ext4_dirty_inode+0xd4/0x104 [ 55.999094][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 55.999881][ T6744] iput+0x358/0xad4 [ 56.000482][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.001288][ T6744] __dentry_kill+0x170/0x594 [ 56.002032][ T6744] shrink_kill+0xd4/0x2cc [ 56.002673][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.003440][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.004275][ T6744] do_one_tree+0x2c/0xf0 [ 56.004878][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.005663][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.006441][ T6744] kill_block_super+0x44/0x90 [ 56.007150][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.007750][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.008532][ T6744] deactivate_super+0xe0/0x100 [ 56.009249][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.009925][ T6744] __cleanup_mnt+0x20/0x30 [ 56.010582][ T6744] task_work_run+0x1dc/0x260 [ 56.011277][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.012141][ T6744] el0_svc+0x170/0x254 [ 56.012825][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.013673][ T6744] el0t_64_sync+0x198/0x19c [ 56.014399][ T6744] irq event stamp: 680640 [ 56.015074][ T6744] hardirqs last enabled at (680639): [] finish_lock_switch+0xb0/0x1c0 [ 56.016599][ T6744] hardirqs last disabled at (680640): [] el1_brk64+0x20/0x54 [ 56.017985][ T6744] softirqs last enabled at (679878): [] local_bh_enable+0x10/0x34 [ 56.019480][ T6744] softirqs last disabled at (679876): [] local_bh_disable+0x10/0x34 [ 56.020991][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.037547][ T7304] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.065968][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.066065][ T6744] ------------[ cut here ]------------ [ 56.066069][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.070919][ T6744] Modules linked in: [ 56.071548][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.073241][ T6744] Tainted: [W]=WARN [ 56.073846][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.075437][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.076609][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.077648][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.078646][ T6744] sp : ffff8000a56d7140 [ 56.079267][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41f82c0 x27: 1fffe0001c83f058 [ 56.080537][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.081766][ T6744] x23: ffff0000e41f8298 x22: 0000000000000000 x21: dfff800000000000 [ 56.082956][ T6744] x20: ffff0000ce254068 x19: ffff0000ce254000 x18: 1fffe000337dfe90 [ 56.084054][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 56.085304][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.086553][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.087777][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 56.089032][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 56.090318][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.091600][ T6744] Call trace: [ 56.092084][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.092990][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.093748][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.094603][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.095399][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.096144][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.096854][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.097638][ T6744] iput+0x358/0xad4 [ 56.098186][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.098973][ T6744] __dentry_kill+0x170/0x594 [ 56.099638][ T6744] shrink_kill+0xd4/0x2cc [ 56.100316][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.101061][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.101823][ T6744] do_one_tree+0x2c/0xf0 [ 56.102426][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.103242][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.103987][ T6744] kill_block_super+0x44/0x90 [ 56.104630][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.105278][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.106124][ T6744] deactivate_super+0xe0/0x100 [ 56.106820][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.107500][ T6744] __cleanup_mnt+0x20/0x30 [ 56.108102][ T6744] task_work_run+0x1dc/0x260 [ 56.108751][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.109442][ T6744] el0_svc+0x170/0x254 [ 56.110040][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.110701][ T6744] el0t_64_sync+0x198/0x19c [ 56.111332][ T6744] irq event stamp: 686924 [ 56.111955][ T6744] hardirqs last enabled at (686923): [] irqentry_exit+0xd8/0x108 [ 56.113359][ T6744] hardirqs last disabled at (686924): [] el1_brk64+0x20/0x54 [ 56.114704][ T6744] softirqs last enabled at (686576): [] local_bh_enable+0x10/0x34 [ 56.116134][ T6744] softirqs last disabled at (686574): [] local_bh_disable+0x10/0x34 [ 56.117518][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.134857][ T7308] loop0: detected capacity change from 0 to 1024 [ 5 ** replaying previous printk message ** [ 56.154220][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.154325][ T6744] ------------[ cut here ]------------ [ 56.154330][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.159176][ T6744] Modules linked in: [ 56.159759][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.161402][ T6744] Tainted: [W]=WARN [ 56.161978][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.163497][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.164605][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.165558][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.166443][ T6744] sp : ffff8000a56d7140 [ 56.166991][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e409cf40 x27: 1fffe0001c8139e8 [ 56.168333][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.169728][ T6744] x23: ffff0000e409cf18 x22: 0000000000000000 x21: dfff800000000000 [ 56.171046][ T6744] x20: ffff0000dd346068 x19: ffff0000dd346000 x18: 0000000000000000 [ 56.172265][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 56.173511][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.174782][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.176015][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 56.177196][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 56.178532][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.179706][ T6744] Call trace: [ 56.180156][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.181129][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.181926][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.182759][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.183644][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.184444][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.185124][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.185869][ T6744] iput+0x358/0xad4 [ 56.186523][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.187383][ T6744] __dentry_kill+0x170/0x594 [ 56.188113][ T6744] shrink_kill+0xd4/0x2cc [ 56.188779][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.189613][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.190434][ T6744] do_one_tree+0x2c/0xf0 [ 56.191047][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.191883][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.192691][ T6744] kill_block_super+0x44/0x90 [ 56.193396][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.194039][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.194826][ T6744] deactivate_super+0xe0/0x100 [ 56.195596][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.196259][ T6744] __cleanup_mnt+0x20/0x30 [ 56.196878][ T6744] task_work_run+0x1dc/0x260 [ 56.197612][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.198413][ T6744] el0_svc+0x170/0x254 [ 56.199023][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.199796][ T6744] el0t_64_sync+0x198/0x19c [ 56.200435][ T6744] irq event stamp: 692136 [ 56.201057][ T6744] hardirqs last enabled at (692135): [] irqentry_exit+0xd8/0x108 [ 56.202432][ T6744] hardirqs last disabled at (692136): [] el1_brk64+0x20/0x54 [ 56.203617][ T6744] softirqs last enabled at (691882): [] local_bh_enable+0x10/0x34 [ 56.204906][ T6744] softirqs last disabled at (691880): [] local_bh_disable+0x10/0x34 [ 56.206288][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.223743][ T7312] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.240236][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.240330][ T6744] ------------[ cut here ]------------ [ 56.240335][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.245220][ T6744] Modules linked in: [ 56.245807][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.247377][ T6744] Tainted: [W]=WARN [ 56.247941][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.249515][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.250697][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.251676][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.252724][ T6744] sp : ffff8000a56d7140 [ 56.253371][ T6744] x29: ffff8000a56d72a0 x28: ffff0000c1770c50 x27: 1fffe000182ee18a [ 56.254610][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.255817][ T6744] x23: ffff0000c1770c28 x22: 0000000000000000 x21: dfff800000000000 [ 56.257067][ T6744] x20: ffff0000d8b8c068 x19: ffff0000d8b8c000 x18: 1fffe000337dfe90 [ 56.258238][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 56.259493][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.260787][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.262008][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 56.263139][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 56.264350][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.265514][ T6744] Call trace: [ 56.266005][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.266992][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.267793][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.268631][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.269442][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.270246][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.270935][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.271744][ T6744] iput+0x358/0xad4 [ 56.272340][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.273122][ T6744] __dentry_kill+0x170/0x594 [ 56.273799][ T6744] shrink_kill+0xd4/0x2cc [ 56.274496][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.275201][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.275951][ T6744] do_one_tree+0x2c/0xf0 [ 56.276610][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.277439][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.278250][ T6744] kill_block_super+0x44/0x90 [ 56.278936][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.279544][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.280323][ T6744] deactivate_super+0xe0/0x100 [ 56.280994][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.281659][ T6744] __cleanup_mnt+0x20/0x30 [ 56.282334][ T6744] task_work_run+0x1dc/0x260 [ 56.282973][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.283769][ T6744] el0_svc+0x170/0x254 [ 56.284375][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.285124][ T6744] el0t_64_sync+0x198/0x19c [ 56.285832][ T6744] irq event stamp: 698086 [ 56.286457][ T6744] hardirqs last enabled at (698085): [] irqentry_exit+0xd8/0x108 [ 56.287803][ T6744] hardirqs last disabled at (698086): [] el1_brk64+0x20/0x54 [ 56.289115][ T6744] softirqs last enabled at (697810): [] local_bh_enable+0x10/0x34 [ 56.290485][ T6744] softirqs last disabled at (697808): [] local_bh_disable+0x10/0x34 [ 56.291869][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.307261][ T7316] loop0: detected capacity change from 0 to 1024 [ 56.328772][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.328860][ T6744] ------------[ cut here ]------------ [ 56.328866][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.333012][ T6744] Modules linked in: [ 56.333613][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.335267][ T6744] Tainted: [W]=WARN [ 56.335878][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.337399][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.338594][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.339611][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.340617][ T6744] sp : ffff8000a56d7140 [ 56.341232][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40895e0 x27: 1fffe0001c8112bc [ 56.342529][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.343792][ T6744] x23: ffff0000e40895b8 x22: 0000000000000000 x21: dfff800000000000 [ 56.345018][ T6744] x20: ffff0000d8e8a068 x19: ffff0000d8e8a000 x18: 1fffe000337dfe90 [ 56.346288][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 56.347515][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.348767][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.349998][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 56.351191][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 56.352333][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.353516][ T6744] Call trace: [ 56.353975][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.354996][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.355883][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.356769][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.357603][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.358455][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.359200][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.359951][ T6744] iput+0x358/0xad4 [ 56.360525][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.361289][ T6744] __dentry_kill+0x170/0x594 [ 56.361915][ T6744] shrink_kill+0xd4/0x2cc [ 56.362594][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.363285][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.363989][ T6744] do_one_tree+0x2c/0xf0 [ 56.364622][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.365442][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.366237][ T6744] kill_block_super+0x44/0x90 [ 56.366960][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.367578][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.368374][ T6744] deactivate_super+0xe0/0x100 [ 56.369035][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.369709][ T6744] __cleanup_mnt+0x20/0x30 [ 56.370365][ T6744] task_work_run+0x1dc/0x260 [ 56.371053][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.371800][ T6744] el0_svc+0x170/0x254 [ 56.372496][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.373299][ T6744] el0t_64_sync+0x198/0x19c [ 56.374018][ T6744] irq event stamp: 704242 [ 56.374622][ T6744] hardirqs last enabled at (704241): [] irqentry_exit+0xd8/0x108 [ 56.376005][ T6744] hardirqs last disabled at (704242): [] el1_brk64+0x20/0x54 [ 56.377239][ T6744] softirqs last enabled at (703948): [] local_bh_enable+0x10/0x34 [ 56.378644][ T6744] softirqs last disabled at (703946): [] local_bh_disable+0x10/0x34 [ 56.380140][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.394801][ T7320] loop0: detected capacity change from 0 to 1024 [ 56.404626][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.406711][ T6744] ------------[ cut here ]------------ [ 56.406718][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.409097][ T6744] Modules linked in: [ 56.409671][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.411276][ T6744] Tainted: [W]=WARN [ 56.411855][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.413351][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.414509][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.415492][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.416394][ T6744] sp : ffff8000a56d7140 [ 56.417006][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40c15e0 x27: 1fffe0001c8182bc [ 56.418186][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.419364][ T6744] x23: ffff0000e40c15b8 x22: 0000000000000000 x21: dfff800000000000 [ 56.420506][ T6744] x20: ffff0000cbe12068 x19: ffff0000cbe12000 x18: 1fffe000337db690 [ 56.421689][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 56.422869][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.424016][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.425174][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 56.426340][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 56.427557][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.428725][ T6744] Call trace: [ 56.429190][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.430128][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.430854][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.431679][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.432457][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.433322][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.434000][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.434755][ T6744] iput+0x358/0xad4 [ 56.435265][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.436020][ T6744] __dentry_kill+0x170/0x594 [ 56.436670][ T6744] shrink_kill+0xd4/0x2cc [ 56.437285][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.437983][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.438673][ T6744] do_one_tree+0x2c/0xf0 [ 56.439257][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.439994][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.440801][ T6744] kill_block_super+0x44/0x90 [ 56.441477][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.442128][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.442905][ T6744] deactivate_super+0xe0/0x100 [ 56.443619][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.444226][ T6744] __cleanup_mnt+0x20/0x30 [ 56.444868][ T6744] task_work_run+0x1dc/0x260 [ 56.445524][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.446306][ T6744] el0_svc+0x170/0x254 [ 56.446847][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.447635][ T6744] el0t_64_sync+0x198/0x19c [ 56.448273][ T6744] irq event stamp: 710062 [ 56.448871][ T6744] hardirqs last enabled at (710061): [] finish_lock_switch+0xb0/0x1c0 [ 56.450295][ T6744] hardirqs last disabled at (710062): [] el1_brk64+0x20/0x54 [ 56.451601][ T6744] softirqs last enabled at (709946): [] local_bh_enable+0x10/0x34 [ 56.452910][ T6744] softirqs last disabled at (709944): [] local_bh_disable+0x10/0x34 [ 56.454320][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.470721][ T7324] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.495587][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.495681][ T6744] ------------[ cut here ]------------ [ 56.495685][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.500398][ T6744] Modules linked in: [ 56.500992][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.502605][ T6744] Tainted: [W]=WARN [ 56.503179][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.504709][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.505927][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.506890][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.507789][ T6744] sp : ffff8000a56d7140 [ 56.508387][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4096260 x27: 1fffe0001c812c4c [ 56.509598][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.510739][ T6744] x23: ffff0000e4096238 x22: 0000000000000000 x21: dfff800000000000 [ 56.511946][ T6744] x20: ffff0000d06ea068 x19: ffff0000d06ea000 x18: 1fffe000337dfe90 [ 56.513173][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 56.514422][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.515594][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.516763][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 56.517940][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 56.519195][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.520461][ T6744] Call trace: [ 56.520945][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.521919][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.522744][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.523623][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.524498][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.525297][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.526031][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.526814][ T6744] iput+0x358/0xad4 [ 56.527421][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.528202][ T6744] __dentry_kill+0x170/0x594 [ 56.528870][ T6744] shrink_kill+0xd4/0x2cc [ 56.529518][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.530310][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.531058][ T6744] do_one_tree+0x2c/0xf0 [ 56.531681][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.532468][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.533231][ T6744] kill_block_super+0x44/0x90 [ 56.533900][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.534553][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.535347][ T6744] deactivate_super+0xe0/0x100 [ 56.536049][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.536721][ T6744] __cleanup_mnt+0x20/0x30 [ 56.537413][ T6744] task_work_run+0x1dc/0x260 [ 56.538130][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.538929][ T6744] el0_svc+0x170/0x254 [ 56.539529][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.540269][ T6744] el0t_64_sync+0x198/0x19c [ 56.540913][ T6744] irq event stamp: 715630 [ 56.541536][ T6744] hardirqs last enabled at (715629): [] irqentry_exit+0xd8/0x108 [ 56.542942][ T6744] hardirqs last disabled at (715630): [] el1_brk64+0x20/0x54 [ 56.544311][ T6744] softirqs last enabled at (715368): [] local_bh_enable+0x10/0x34 [ 56.545742][ T6744] softirqs last disabled at (715366): [] local_bh_disable+0x10/0x34 [ 56.547253][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.562956][ T7328] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 56.588641][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.588739][ T6744] ------------[ cut here ]------------ [ 56.588743][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.593760][ T6744] Modules linked in: [ 56.594342][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.595966][ T6744] Tainted: [W]=WARN [ 56.596571][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.598145][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.599410][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.600447][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.601549][ T6744] sp : ffff8000a56d7140 [ 56.602164][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e40d7580 x27: 1fffe0001c81aeb0 [ 56.603410][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.604656][ T6744] x23: ffff0000e40d7558 x22: 0000000000000000 x21: dfff800000000000 [ 56.605916][ T6744] x20: ffff0000d04a0068 x19: ffff0000d04a0000 x18: 1fffe000337dfe90 [ 56.607179][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 56.608403][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.609630][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.610889][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 56.612125][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 56.613267][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.614484][ T6744] Call trace: [ 56.614948][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.615885][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.616650][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.617483][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.618281][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.619083][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.619782][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.620568][ T6744] iput+0x358/0xad4 [ 56.621133][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.621855][ T6744] __dentry_kill+0x170/0x594 [ 56.622500][ T6744] shrink_kill+0xd4/0x2cc [ 56.623110][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.623836][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.624580][ T6744] do_one_tree+0x2c/0xf0 [ 56.625167][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.625949][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.626742][ T6744] kill_block_super+0x44/0x90 [ 56.627387][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.628023][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.628823][ T6744] deactivate_super+0xe0/0x100 [ 56.629514][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.630168][ T6744] __cleanup_mnt+0x20/0x30 [ 56.630785][ T6744] task_work_run+0x1dc/0x260 [ 56.631464][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.632293][ T6744] el0_svc+0x170/0x254 [ 56.632931][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.633665][ T6744] el0t_64_sync+0x198/0x19c [ 56.634351][ T6744] irq event stamp: 721196 [ 56.634957][ T6744] hardirqs last enabled at (721195): [] irqentry_exit+0xd8/0x108 [ 56.636386][ T6744] hardirqs last disabled at (721196): [] el1_brk64+0x20/0x54 [ 56.637711][ T6744] softirqs last enabled at (720940): [] local_bh_enable+0x10/0x34 [ 56.639120][ T6744] softirqs last disabled at (720938): [] local_bh_disable+0x10/0x34 [ 56.640476][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.653609][ T7332] loop0: detected capacity change from 0 to 1024 [ 56.672444][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.674378][ T6744] ------------[ cut here ]------------ [ 56.674385][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.676606][ T6744] Modules linked in: [ 56.677181][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.678722][ T6744] Tainted: [W]=WARN [ 56.679300][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.680763][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.681892][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.682908][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.683963][ T6744] sp : ffff8000a56d7140 [ 56.684578][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce23290 x27: 1fffe0001b9c4652 [ 56.685787][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.686986][ T6744] x23: ffff0000dce23268 x22: 0000000000000000 x21: dfff800000000000 [ 56.688234][ T6744] x20: ffff0000c79c0068 x19: ffff0000c79c0000 x18: 1fffe000337db690 [ 56.689451][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 56.690631][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.691776][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.692932][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 56.694214][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 56.695450][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.696624][ T6744] Call trace: [ 56.697116][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.698070][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.698872][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.699702][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.700468][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.701300][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.701963][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.702662][ T6744] iput+0x358/0xad4 [ 56.703182][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.703829][ T6744] __dentry_kill+0x170/0x594 [ 56.704475][ T6744] shrink_kill+0xd4/0x2cc [ 56.705098][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.705797][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.706553][ T6744] do_one_tree+0x2c/0xf0 [ 56.707165][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.707906][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.708657][ T6744] kill_block_super+0x44/0x90 [ 56.709388][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.710011][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.710775][ T6744] deactivate_super+0xe0/0x100 [ 56.711437][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.712062][ T6744] __cleanup_mnt+0x20/0x30 [ 56.712724][ T6744] task_work_run+0x1dc/0x260 [ 56.713367][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.714089][ T6744] el0_svc+0x170/0x254 [ 56.714628][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.715407][ T6744] el0t_64_sync+0x198/0x19c [ 56.716019][ T6744] irq event stamp: 726542 [ 56.716676][ T6744] hardirqs last enabled at (726541): [] finish_lock_switch+0xb0/0x1c0 [ 56.718100][ T6744] hardirqs last disabled at (726542): [] el1_brk64+0x20/0x54 [ 56.719343][ T6744] softirqs last enabled at (726438): [] local_bh_enable+0x10/0x34 [ 56.720711][ T6744] softirqs last disabled at (726436): [] local_bh_disable+0x10/0x34 [ 56.721997][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.736002][ T7336] loop0: detected capacity change from 0 to 1024 [ 56.755193][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.757044][ T6744] ------------[ cut here ]------------ [ 56.757050][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.759376][ T6744] Modules linked in: [ 56.759960][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.761495][ T6744] Tainted: [W]=WARN [ 56.762076][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.763529][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.764600][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.765501][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.766406][ T6744] sp : ffff8000a56d7140 [ 56.766997][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e424b290 x27: 1fffe0001c849652 [ 56.768175][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.769402][ T6744] x23: ffff0000e424b268 x22: 0000000000000000 x21: dfff800000000000 [ 56.770616][ T6744] x20: ffff0000dc38a068 x19: ffff0000dc38a000 x18: 1fffe000337db690 [ 56.771875][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 56.773003][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.774150][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.775321][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 56.776547][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 56.777645][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.778752][ T6744] Call trace: [ 56.779212][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.780181][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.780921][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.781760][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.782556][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.783284][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.783975][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.784657][ T6744] iput+0x358/0xad4 [ 56.785140][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.785880][ T6744] __dentry_kill+0x170/0x594 [ 56.786523][ T6744] shrink_kill+0xd4/0x2cc [ 56.787183][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.787923][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.788652][ T6744] do_one_tree+0x2c/0xf0 [ 56.789282][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.790146][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.790907][ T6744] kill_block_super+0x44/0x90 [ 56.791572][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.792218][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.793042][ T6744] deactivate_super+0xe0/0x100 [ 56.793674][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.794328][ T6744] __cleanup_mnt+0x20/0x30 [ 56.794984][ T6744] task_work_run+0x1dc/0x260 [ 56.795666][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.796401][ T6744] el0_svc+0x170/0x254 [ 56.797000][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.797781][ T6744] el0t_64_sync+0x198/0x19c [ 56.798413][ T6744] irq event stamp: 732542 [ 56.799038][ T6744] hardirqs last enabled at (732541): [] finish_lock_switch+0xb0/0x1c0 [ 56.800367][ T6744] hardirqs last disabled at (732542): [] el1_brk64+0x20/0x54 [ 56.801637][ T6744] softirqs last enabled at (731864): [] local_bh_enable+0x10/0x34 [ 56.803034][ T6744] softirqs last disabled at (731862): [] local_bh_disable+0x10/0x34 [ 56.804392][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.821634][ T7340] loop0: detected capacity change from 0 to 1024 [ 56.854213][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.856155][ T6744] ------------[ cut here ]------------ [ 56.856162][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.858491][ T6744] Modules linked in: [ 56.859085][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.860642][ T6744] Tainted: [W]=WARN [ 56.861100][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.862439][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.863524][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.864468][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.865392][ T6744] sp : ffff8000a56d7140 [ 56.865977][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41d58d0 x27: 1fffe0001c83ab1a [ 56.867127][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.868176][ T6744] x23: ffff0000e41d58a8 x22: 0000000000000000 x21: dfff800000000000 [ 56.869232][ T6744] x20: ffff0000e473a068 x19: ffff0000e473a000 x18: 1fffe000337db690 [ 56.870358][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 56.871497][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.872535][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.873691][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 56.874884][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 56.876036][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.877177][ T6744] Call trace: [ 56.877610][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.878504][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.879328][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.880139][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.880936][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.881682][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.882328][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.883002][ T6744] iput+0x358/0xad4 [ 56.883535][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.884249][ T6744] __dentry_kill+0x170/0x594 [ 56.884999][ T6744] shrink_kill+0xd4/0x2cc [ 56.885656][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.886411][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.887145][ T6744] do_one_tree+0x2c/0xf0 [ 56.887803][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.888573][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.889291][ T6744] kill_block_super+0x44/0x90 [ 56.889932][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.890519][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.891312][ T6744] deactivate_super+0xe0/0x100 [ 56.891967][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.892583][ T6744] __cleanup_mnt+0x20/0x30 [ 56.893209][ T6744] task_work_run+0x1dc/0x260 [ 56.893834][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.894590][ T6744] el0_svc+0x170/0x254 [ 56.895231][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.895893][ T6744] el0t_64_sync+0x198/0x19c [ 56.896564][ T6744] irq event stamp: 739026 [ 56.897117][ T6744] hardirqs last enabled at (739025): [] finish_lock_switch+0xb0/0x1c0 [ 56.898507][ T6744] hardirqs last disabled at (739026): [] el1_brk64+0x20/0x54 [ 56.899838][ T6744] softirqs last enabled at (738862): [] local_bh_enable+0x10/0x34 [ 56.901149][ T6744] softirqs last disabled at (738860): [] local_bh_disable+0x10/0x34 [ 56.902544][ T6744] ---[ end trace 0000000000000000 ]--- [ 56.921717][ T7344] loop0: detected capacity change from 0 to 1024 [ 56.939629][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 56.939716][ T6744] ------------[ cut here ]------------ [ 56.939721][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c 1970/01/01 00:00:56 executed programs: 103 [ 56.944136][ T6744] Modules linked in: [ 56.944765][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 56.946509][ T6744] Tainted: [W]=WARN [ 56.947090][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.948675][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 56.949909][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.950862][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 56.951897][ T6744] sp : ffff8000a56d7140 [ 56.952503][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e41d6bf0 x27: 1fffe0001c83ad7e [ 56.953640][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 56.954838][ T6744] x23: ffff0000e41d6bc8 x22: 0000000000000000 x21: dfff800000000000 [ 56.956029][ T6744] x20: ffff0000cd12a068 x19: ffff0000cd12a000 x18: 1fffe000337dfe90 [ 56.957216][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 56.958473][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 56.959641][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 56.960862][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 56.962032][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 56.963211][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 56.964357][ T6744] Call trace: [ 56.964814][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 56.965748][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 56.966487][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 56.967288][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 56.968051][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 56.968830][ T6744] ext4_dirty_inode+0xd4/0x104 [ 56.969520][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 56.970291][ T6744] iput+0x358/0xad4 [ 56.970843][ T6744] dentry_unlink_inode+0x384/0x45c [ 56.971633][ T6744] __dentry_kill+0x170/0x594 [ 56.972328][ T6744] shrink_kill+0xd4/0x2cc [ 56.972926][ T6744] shrink_dentry_list+0x31c/0x6cc [ 56.973665][ T6744] shrink_dcache_parent+0xac/0x27c [ 56.974455][ T6744] do_one_tree+0x2c/0xf0 [ 56.975092][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 56.975905][ T6744] generic_shutdown_super+0x68/0x2b8 [ 56.976678][ T6744] kill_block_super+0x44/0x90 [ 56.977448][ T6744] ext4_kill_sb+0x68/0xa4 [ 56.978060][ T6744] deactivate_locked_super+0xc4/0x12c [ 56.978864][ T6744] deactivate_super+0xe0/0x100 [ 56.979624][ T6744] cleanup_mnt+0x31c/0x3ac [ 56.980279][ T6744] __cleanup_mnt+0x20/0x30 [ 56.980976][ T6744] task_work_run+0x1dc/0x260 [ 56.981672][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 56.982483][ T6744] el0_svc+0x170/0x254 [ 56.983116][ T6744] el0t_64_sync_handler+0x84/0x12c [ 56.983845][ T6744] el0t_64_sync+0x198/0x19c [ 56.984532][ T6744] irq event stamp: 745090 [ 56.985148][ T6744] hardirqs last enabled at (745089): [] irqentry_exit+0xd8/0x108 [ 56.986537][ T6744] hardirqs last disabled at (745090): [] el1_brk64+0x20/0x54 [ 56.987908][ T6744] softirqs last enabled at (744756): [] local_bh_enable+0x10/0x34 [ 56.989342][ T6744] softirqs last disabled at (744754): [] local_bh_disable+0x10/0x34 [ 56.990797][ T6744] ---[ end trace 0000000000000000 ]--- [ 57.005898][ T7348] loop0: detected capacity change from 0 to 1024 [ 57.016386][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 57.016478][ T6744] ------------[ cut here ]------------ [ 57.016484][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.020580][ T6744] Modules linked in: [ 57.021166][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 57.022888][ T6744] Tainted: [W]=WARN [ 57.023449][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.024944][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.026014][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.026947][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.027837][ T6744] sp : ffff8000a56d7140 [ 57.028428][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce3f580 x27: 1fffe0001b9c7eb0 [ 57.029502][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 57.030622][ T6744] x23: ffff0000dce3f558 x22: 0000000000000000 x21: dfff800000000000 [ 57.031857][ T6744] x20: ffff0000c9684068 x19: ffff0000c9684000 x18: 1fffe000337db690 [ 57.033031][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 57.034286][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 57.035645][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 57.036960][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 57.038281][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 57.039577][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 57.040824][ T6744] Call trace: [ 57.041315][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 57.042323][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 57.043111][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 57.044016][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 57.044870][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 57.045734][ T6744] ext4_dirty_inode+0xd4/0x104 [ 57.046445][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 57.047161][ T6744] iput+0x358/0xad4 [ 57.047678][ T6744] dentry_unlink_inode+0x384/0x45c [ 57.048424][ T6744] __dentry_kill+0x170/0x594 [ 57.049142][ T6744] shrink_kill+0xd4/0x2cc [ 57.049772][ T6744] shrink_dentry_list+0x31c/0x6cc [ 57.050537][ T6744] shrink_dcache_parent+0xac/0x27c [ 57.051332][ T6744] do_one_tree+0x2c/0xf0 [ 57.051969][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 57.052780][ T6744] generic_shutdown_super+0x68/0x2b8 [ 57.053569][ T6744] kill_block_super+0x44/0x90 [ 57.054297][ T6744] ext4_kill_sb+0x68/0xa4 [ 57.054872][ T6744] deactivate_locked_super+0xc4/0x12c [ 57.055683][ T6744] deactivate_super+0xe0/0x100 [ 57.056415][ T6744] cleanup_mnt+0x31c/0x3ac [ 57.057073][ T6744] __cleanup_mnt+0x20/0x30 [ 57.057670][ T6744] task_work_run+0x1dc/0x260 [ 57.058369][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 57.059132][ T6744] el0_svc+0x170/0x254 [ 57.059719][ T6744] el0t_64_sync_handler+0x84/0x12c [ 57.060415][ T6744] el0t_64_sync+0x198/0x19c [ 57.061041][ T6744] irq event stamp: 751620 [ 57.061693][ T6744] hardirqs last enabled at (751619): [] irqentry_exit+0xd8/0x108 [ 57.063006][ T6744] hardirqs last disabled at (751620): [] el1_brk64+0x20/0x54 [ 57.064465][ T6744] softirqs last enabled at (751450): [] local_bh_enable+0x10/0x34 [ 57.065910][ T6744] softirqs last disabled at (751448): [] local_bh_disable+0x10/0x34 [ 57.067440][ T6744] ---[ end trace 0000000000000000 ]--- [ 57.085491][ T7352] loop0: detected capacity change from 0 to 1024 [ 57.104438][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 57.104534][ T6744] ------------[ cut here ]------------ [ 57.104540][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.108652][ T6744] Modules linked in: [ 57.109271][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 57.110764][ T6744] Tainted: [W]=WARN [ 57.111329][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.112726][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.113844][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.114790][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.115725][ T6744] sp : ffff8000a56d7140 [ 57.116305][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce3e260 x27: 1fffe0001b9c7c4c [ 57.117481][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 57.118575][ T6744] x23: ffff0000dce3e238 x22: 0000000000000000 x21: dfff800000000000 [ 57.119818][ T6744] x20: ffff0000d45a0068 x19: ffff0000d45a0000 x18: 0000000000000000 [ 57.121067][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 57.122238][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 57.123391][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 57.124626][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 57.125772][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 57.127004][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 57.128182][ T6744] Call trace: [ 57.128644][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 57.129552][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 57.130329][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 57.131163][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 57.132007][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 57.132798][ T6744] ext4_dirty_inode+0xd4/0x104 [ 57.133464][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 57.134250][ T6744] iput+0x358/0xad4 [ 57.134798][ T6744] dentry_unlink_inode+0x384/0x45c [ 57.135531][ T6744] __dentry_kill+0x170/0x594 [ 57.136198][ T6744] shrink_kill+0xd4/0x2cc [ 57.136829][ T6744] shrink_dentry_list+0x31c/0x6cc [ 57.137557][ T6744] shrink_dcache_parent+0xac/0x27c [ 57.138254][ T6744] do_one_tree+0x2c/0xf0 [ 57.138893][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 57.139687][ T6744] generic_shutdown_super+0x68/0x2b8 [ 57.140432][ T6744] kill_block_super+0x44/0x90 [ 57.141104][ T6744] ext4_kill_sb+0x68/0xa4 [ 57.141688][ T6744] deactivate_locked_super+0xc4/0x12c [ 57.142428][ T6744] deactivate_super+0xe0/0x100 [ 57.143088][ T6744] cleanup_mnt+0x31c/0x3ac [ 57.143748][ T6744] __cleanup_mnt+0x20/0x30 [ 57.144377][ T6744] task_work_run+0x1dc/0x260 [ 57.145077][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 57.145823][ T6744] el0_svc+0x170/0x254 [ 57.146385][ T6744] el0t_64_sync_handler+0x84/0x12c [ 57.147158][ T6744] el0t_64_sync+0x198/0x19c [ 57.147812][ T6744] irq event stamp: 757504 [ 57.148369][ T6744] hardirqs last enabled at (757503): [] irqentry_exit+0xd8/0x108 [ 57.149680][ T6744] hardirqs last disabled at (757504): [] el1_brk64+0x20/0x54 [ 57.150956][ T6744] softirqs last enabled at (757246): [] local_bh_enable+0x10/0x34 [ 57.152338][ T6744] softirqs last disabled at (757244): [] local_bh_disable+0x10/0x34 [ 57.153652][ T6744] ---[ end trace 0000000000000000 ]--- [ 57.173527][ T7356] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 57.194292][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 57.194377][ T6744] ------------[ cut here ]------------ [ 57.194381][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.199232][ T6744] Modules linked in: [ 57.199859][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 57.201420][ T6744] Tainted: [W]=WARN [ 57.201973][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.203478][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.204616][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.205592][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.206495][ T6744] sp : ffff8000a56d7140 [ 57.207092][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce602c0 x27: 1fffe0001b9cc058 [ 57.208326][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 57.209509][ T6744] x23: ffff0000dce60298 x22: 0000000000000000 x21: dfff800000000000 [ 57.210679][ T6744] x20: ffff0000d1962068 x19: ffff0000d1962000 x18: 0000000000000000 [ 57.211882][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 57.213101][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 57.214328][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 57.215507][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 57.216811][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 57.218103][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 57.219320][ T6744] Call trace: [ 57.219832][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 57.220877][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 57.221678][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 57.222581][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 57.223426][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 57.224227][ T6744] ext4_dirty_inode+0xd4/0x104 [ 57.224930][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 57.225661][ T6744] iput+0x358/0xad4 [ 57.226235][ T6744] dentry_unlink_inode+0x384/0x45c [ 57.227043][ T6744] __dentry_kill+0x170/0x594 [ 57.227738][ T6744] shrink_kill+0xd4/0x2cc [ 57.228366][ T6744] shrink_dentry_list+0x31c/0x6cc [ 57.229095][ T6744] shrink_dcache_parent+0xac/0x27c [ 57.229850][ T6744] do_one_tree+0x2c/0xf0 [ 57.230461][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 57.231244][ T6744] generic_shutdown_super+0x68/0x2b8 [ 57.232013][ T6744] kill_block_super+0x44/0x90 [ 57.232680][ T6744] ext4_kill_sb+0x68/0xa4 [ 57.233347][ T6744] deactivate_locked_super+0xc4/0x12c [ 57.234043][ T6744] deactivate_super+0xe0/0x100 [ 57.234681][ T6744] cleanup_mnt+0x31c/0x3ac [ 57.235304][ T6744] __cleanup_mnt+0x20/0x30 [ 57.235953][ T6744] task_work_run+0x1dc/0x260 [ 57.236572][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 57.237313][ T6744] el0_svc+0x170/0x254 [ 57.237895][ T6744] el0t_64_sync_handler+0x84/0x12c [ 57.238652][ T6744] el0t_64_sync+0x198/0x19c [ 57.239269][ T6744] irq event stamp: 762814 [ 57.239864][ T6744] hardirqs last enabled at (762813): [] irqentry_exit+0xd8/0x108 [ 57.241124][ T6744] hardirqs last disabled at (762814): [] el1_brk64+0x20/0x54 [ 57.242355][ T6744] softirqs last enabled at (762636): [] local_bh_enable+0x10/0x34 [ 57.243689][ T6744] softirqs last disabled at (762634): [] local_bh_disable+0x10/0x34 [ 57.245045][ T6744] ---[ end trace 0000000000000000 ]--- [ 57.263091][ T7360] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 57.288441][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 57.288531][ T6744] ------------[ cut here ]------------ [ 57.288535][ T6744] WARNING: CPU: 0 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.293116][ T6744] Modules linked in: [ 57.293689][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 57.295266][ T6744] Tainted: [W]=WARN [ 57.295775][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.297173][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.298342][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.299245][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.300162][ T6744] sp : ffff8000a56d7140 [ 57.300791][ T6744] x29: ffff8000a56d72a0 x28: ffff0000e4209f70 x27: 1fffe0001c8413ee [ 57.302003][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 57.303195][ T6744] x23: ffff0000e4209f48 x22: 0000000000000000 x21: dfff800000000000 [ 57.304436][ T6744] x20: ffff0000d39a2068 x19: ffff0000d39a2000 x18: 1fffe000337db690 [ 57.305653][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 57.307005][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 57.308246][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 57.309518][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 57.310718][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 57.312011][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 57.313338][ T6744] Call trace: [ 57.313901][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 57.314905][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 57.315726][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 57.316569][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 57.317408][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 57.318228][ T6744] ext4_dirty_inode+0xd4/0x104 [ 57.318947][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 57.319731][ T6744] iput+0x358/0xad4 [ 57.320307][ T6744] dentry_unlink_inode+0x384/0x45c [ 57.321018][ T6744] __dentry_kill+0x170/0x594 [ 57.321710][ T6744] shrink_kill+0xd4/0x2cc [ 57.322353][ T6744] shrink_dentry_list+0x31c/0x6cc [ 57.323051][ T6744] shrink_dcache_parent+0xac/0x27c [ 57.323854][ T6744] do_one_tree+0x2c/0xf0 [ 57.324459][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 57.325200][ T6744] generic_shutdown_super+0x68/0x2b8 [ 57.325940][ T6744] kill_block_super+0x44/0x90 [ 57.326674][ T6744] ext4_kill_sb+0x68/0xa4 [ 57.327374][ T6744] deactivate_locked_super+0xc4/0x12c [ 57.328206][ T6744] deactivate_super+0xe0/0x100 [ 57.328969][ T6744] cleanup_mnt+0x31c/0x3ac [ 57.329642][ T6744] __cleanup_mnt+0x20/0x30 [ 57.330323][ T6744] task_work_run+0x1dc/0x260 [ 57.331024][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 57.331794][ T6744] el0_svc+0x170/0x254 [ 57.332423][ T6744] el0t_64_sync_handler+0x84/0x12c [ 57.333140][ T6744] el0t_64_sync+0x198/0x19c [ 57.333804][ T6744] irq event stamp: 768826 [ 57.334452][ T6744] hardirqs last enabled at (768825): [] irqentry_exit+0xd8/0x108 [ 57.335822][ T6744] hardirqs last disabled at (768826): [] el1_brk64+0x20/0x54 [ 57.337070][ T6744] softirqs last enabled at (768464): [] handle_softirqs+0xaf8/0xc88 [ 57.338473][ T6744] softirqs last disabled at (768453): [] __do_softirq+0x14/0x20 [ 57.339749][ T6744] ---[ end trace 0000000000000000 ]--- [ 57.356570][ T7364] loop0: detected capacity change from 0 to 1024 [ 57.376219][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 57.378358][ T6744] ------------[ cut here ]------------ [ 57.378365][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.380655][ T6744] Modules linked in: [ 57.381203][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 57.382862][ T6744] Tainted: [W]=WARN [ 57.383423][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.384953][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.386117][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.387032][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.388036][ T6744] sp : ffff8000a56d7140 [ 57.388644][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dce5b290 x27: 1fffe0001b9cb652 [ 57.389833][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 57.391057][ T6744] x23: ffff0000dce5b268 x22: 0000000000000000 x21: dfff800000000000 [ 57.392320][ T6744] x20: ffff0000db24e068 x19: ffff0000db24e000 x18: 1fffe000337dfe90 [ 57.393548][ T6744] x17: ffff80008f57e000 x16: ffff800082debf80 x15: 0000000000000001 [ 57.394638][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 57.395829][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 57.397086][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080492f44 x6 : 0000000000000000 [ 57.398233][ T6744] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d6930 [ 57.399424][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 57.400687][ T6744] Call trace: [ 57.401154][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 57.402196][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 57.402990][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 57.403818][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 57.404683][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 57.405509][ T6744] ext4_dirty_inode+0xd4/0x104 [ 57.406217][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 57.406973][ T6744] iput+0x358/0xad4 [ 57.407537][ T6744] dentry_unlink_inode+0x384/0x45c [ 57.408271][ T6744] __dentry_kill+0x170/0x594 [ 57.408882][ T6744] shrink_kill+0xd4/0x2cc [ 57.409514][ T6744] shrink_dentry_list+0x31c/0x6cc [ 57.410287][ T6744] shrink_dcache_parent+0xac/0x27c [ 57.411051][ T6744] do_one_tree+0x2c/0xf0 [ 57.411670][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 57.412517][ T6744] generic_shutdown_super+0x68/0x2b8 [ 57.413246][ T6744] kill_block_super+0x44/0x90 [ 57.413894][ T6744] ext4_kill_sb+0x68/0xa4 [ 57.414539][ T6744] deactivate_locked_super+0xc4/0x12c [ 57.415240][ T6744] deactivate_super+0xe0/0x100 [ 57.415934][ T6744] cleanup_mnt+0x31c/0x3ac [ 57.416525][ T6744] __cleanup_mnt+0x20/0x30 [ 57.417113][ T6744] task_work_run+0x1dc/0x260 [ 57.417793][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 57.418565][ T6744] el0_svc+0x170/0x254 [ 57.419149][ T6744] el0t_64_sync_handler+0x84/0x12c [ 57.419859][ T6744] el0t_64_sync+0x198/0x19c [ 57.420557][ T6744] irq event stamp: 774160 [ 57.421204][ T6744] hardirqs last enabled at (774159): [] finish_lock_switch+0xb0/0x1c0 [ 57.422645][ T6744] hardirqs last disabled at (774160): [] el1_brk64+0x20/0x54 [ 57.423903][ T6744] softirqs last enabled at (774088): [] local_bh_enable+0x10/0x34 [ 57.425206][ T6744] softirqs last disabled at (774086): [] local_bh_disable+0x10/0x34 [ 57.426584][ T6744] ---[ end trace 0000000000000000 ]--- [ 57.445988][ T7368] loop0: detected capacity change from 0 to 1024 [ 57.459884][ T6744] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1474: refuse to create EA inode when umounting [ 57.459970][ T6744] ------------[ cut here ]------------ [ 57.459975][ T6744] WARNING: CPU: 1 PID: 6744 at fs/ext4/xattr.c:1475 ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.464262][ T6744] Modules linked in: [ 57.464813][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 57.466338][ T6744] Tainted: [W]=WARN [ 57.466834][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.468389][ T6744] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 57.469551][ T6744] pc : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.470499][ T6744] lr : ext4_xattr_inode_lookup_create+0x86c/0x176c [ 57.471474][ T6744] sp : ffff8000a56d7140 [ 57.472142][ T6744] x29: ffff8000a56d72a0 x28: ffff0000dcdd6bf0 x27: 1fffe0001b9bad7e [ 57.473419][ T6744] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700014adae3c [ 57.474706][ T6744] x23: ffff0000dcdd6bc8 x22: 0000000000000000 x21: dfff800000000000 [ 57.475978][ T6744] x20: ffff0000d0b0e068 x19: ffff0000d0b0e000 x18: 1fffe000337dfe90 [ 57.477175][ T6744] x17: 6572203a34373431 x16: ffff800082debf80 x15: 0000000000000001 [ 57.478507][ T6744] x14: 1ffff00014adad7c x13: 0000000000000000 x12: 0000000000000000 [ 57.479735][ T6744] x11: ffff700014adad7d x10: 0000000000ff0100 x9 : 515ed6ac0e7b4f00 [ 57.481028][ T6744] x8 : 515ed6ac0e7b4f00 x7 : ffff800080565240 x6 : 0000000000000000 [ 57.482334][ T6744] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6930 [ 57.483565][ T6744] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 57.484828][ T6744] Call trace: [ 57.485322][ T6744] ext4_xattr_inode_lookup_create+0x86c/0x176c (P) [ 57.486241][ T6744] ext4_xattr_block_set+0x1bc/0x24bc [ 57.486939][ T6744] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 57.487829][ T6744] __ext4_expand_extra_isize+0x2a0/0x37c [ 57.488793][ T6744] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 57.489603][ T6744] ext4_dirty_inode+0xd4/0x104 [ 57.490342][ T6744] __mark_inode_dirty+0x2ac/0x1090 [ 57.491117][ T6744] iput+0x358/0xad4 [ 57.491714][ T6744] dentry_unlink_inode+0x384/0x45c [ 57.492474][ T6744] __dentry_kill+0x170/0x594 [ 57.493120][ T6744] shrink_kill+0xd4/0x2cc [ 57.493734][ T6744] shrink_dentry_list+0x31c/0x6cc [ 57.494412][ T6744] shrink_dcache_parent+0xac/0x27c [ 57.495112][ T6744] do_one_tree+0x2c/0xf0 [ 57.495759][ T6744] shrink_dcache_for_umount+0xa0/0x168 [ 57.496630][ T6744] generic_shutdown_super+0x68/0x2b8 [ 57.497451][ T6744] kill_block_super+0x44/0x90 [ 57.498130][ T6744] ext4_kill_sb+0x68/0xa4 [ 57.498780][ T6744] deactivate_locked_super+0xc4/0x12c [ 57.499594][ T6744] deactivate_super+0xe0/0x100 [ 57.500324][ T6744] cleanup_mnt+0x31c/0x3ac [ 57.500926][ T6744] __cleanup_mnt+0x20/0x30 [ 57.501547][ T6744] task_work_run+0x1dc/0x260 [ 57.502192][ T6744] exit_to_user_mode_loop+0xfc/0x178 [ 57.502945][ T6744] el0_svc+0x170/0x254 [ 57.503571][ T6744] el0t_64_sync_handler+0x84/0x12c [ 57.504253][ T6744] el0t_64_sync+0x198/0x19c [ 57.504886][ T6744] irq event stamp: 779958 [ 57.505539][ T6744] hardirqs last enabled at (779957): [] irqentry_exit+0xd8/0x108 [ 57.506820][ T6744] hardirqs last disabled at (779958): [] el1_brk64+0x20/0x54 [ 57.508098][ T6744] softirqs last enabled at (779790): [] local_bh_enable+0x10/0x34 [ 57.509421][ T6744] softirqs last disabled at (779788): [] local_bh_disable+0x10/0x34 [ 57.510817][ T6744] ---[ end trace 0000000000000000 ]--- [ 57.531901][ T7372] loop0: detected capacity change from 0 to 1024