EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f590d8d0 x27: 1fffe0001eb21b1a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f590d8a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d8e46068 x19: ffff0000d8e46000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 161520 hardirqs last enabled at (161519): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (161519): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (161520): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (161510): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (161508): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2848: Unable to expand inode 12. Delete some EAs or run e2fsck. EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e265c5b0 x27: 1fffe0001c4cb8b6 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e265c588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d485a068 x19: ffff0000d485a000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 168660 hardirqs last enabled at (168659): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (168659): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (168660): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (168650): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (168648): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e265ebf0 x27: 1fffe0001c4cbd7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e265ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0cea068 x19: ffff0000d0cea000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 174776 hardirqs last enabled at (174775): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (174775): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (174776): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (174766): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (174764): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a13290 x27: 1fffe0001eb42652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a13268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc4e0068 x19: ffff0000cc4e0000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 181116 hardirqs last enabled at (181115): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (181116): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (181108): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (181106): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e26802c0 x27: 1fffe0001c4d0058 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2680298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c6ff0068 x19: ffff0000c6ff0000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 187232 hardirqs last enabled at (187231): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (187231): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (187232): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (187222): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (187220): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2682900 x27: 1fffe0001c4d0520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e26828d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d5b3a068 x19: ffff0000d5b3a000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 193446 hardirqs last enabled at (193445): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (193446): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (193438): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (193436): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2684f40 x27: 1fffe0001c4d09e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2684f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c71e2068 x19: ffff0000c71e2000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 199212 hardirqs last enabled at (199211): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (199212): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (199204): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (199202): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2687580 x27: 1fffe0001c4d0eb0 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2687558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dbbc8068 x19: ffff0000dbbc8000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 204808 hardirqs last enabled at (204807): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (204808): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (204800): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (204798): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a19f70 x27: 1fffe0001eb433ee x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a19f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db854068 x19: ffff0000db854000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 210386 hardirqs last enabled at (210385): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (210386): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (210378): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (210376): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a1c5b0 x27: 1fffe0001eb438b6 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a1c588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c86da068 x19: ffff0000c86da000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 216286 hardirqs last enabled at (216285): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (216285): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (216286): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (216276): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (216274): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a1ebf0 x27: 1fffe0001eb43d7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a1ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ca9b2068 x19: ffff0000ca9b2000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 221846 hardirqs last enabled at (221845): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (221846): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (221838): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (221836): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e26502c0 x27: 1fffe0001c4ca058 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2650298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c5d36068 x19: ffff0000c5d36000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 228310 hardirqs last enabled at (228309): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (228310): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (228302): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (228300): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a22900 x27: 1fffe0001eb44520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a228d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000da6fe068 x19: ffff0000da6fe000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 234630 hardirqs last enabled at (234629): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (234630): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (234622): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (234620): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2652900 x27: 1fffe0001c4ca520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e26528d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ccb0e068 x19: ffff0000ccb0e000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 242210 hardirqs last enabled at (242209): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (242210): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (242196): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (242194): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2654f40 x27: 1fffe0001c4ca9e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2654f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d26d8068 x19: ffff0000d26d8000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 247704 hardirqs last enabled at (247703): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (247704): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (247696): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (247694): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2657580 x27: 1fffe0001c4caeb0 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2657558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000f0638068 x19: ffff0000f0638000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1fffe000192cbcb8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000192cbcb9 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800080485e24 x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 254912 hardirqs last enabled at (254911): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (254911): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (254912): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (254902): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (254900): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a24f40 x27: 1fffe0001eb449e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a24f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d3aa4068 x19: ffff0000d3aa4000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 260486 hardirqs last enabled at (260485): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (260485): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (260486): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (260476): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (260474): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a27580 x27: 1fffe0001eb44eb0 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a27558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000da61e068 x19: ffff0000da61e000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 266068 hardirqs last enabled at (266067): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (266068): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (266060): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (266058): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5929f70 x27: 1fffe0001eb253ee x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5929f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9e06068 x19: ffff0000c9e06000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 271516 hardirqs last enabled at (271515): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (271516): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (271508): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (271506): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5920c50 x27: 1fffe0001eb2418a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5920c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cd252068 x19: ffff0000cd252000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 277200 hardirqs last enabled at (277199): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (277199): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (277200): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (277190): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (277188): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f592d8d0 x27: 1fffe0001eb25b1a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f592d8a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1b88068 x19: ffff0000d1b88000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 282642 hardirqs last enabled at (282641): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (282642): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (282634): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (282632): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5923290 x27: 1fffe0001eb24652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5923268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0362068 x19: ffff0000d0362000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 287974 hardirqs last enabled at (287973): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (287973): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (287974): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (287964): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (287962): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59258d0 x27: 1fffe0001eb24b1a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59258a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c8cfe068 x19: ffff0000c8cfe000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 293840 hardirqs last enabled at (293839): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (293840): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (293832): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (293830): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59382c0 x27: 1fffe0001eb27058 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5938298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d840c068 x19: ffff0000d840c000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 299664 hardirqs last enabled at (299663): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (299663): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (299664): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (299654): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (299652): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e27382c0 x27: 1fffe0001c4e7058 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2738298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c2592068 x19: ffff0000c2592000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1fffe0001b993818 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b993819 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800080485e24 x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 305122 hardirqs last enabled at (305121): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (305121): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (305122): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (305112): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (305110): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e273a900 x27: 1fffe0001c4e7520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e273a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d30e2068 x19: ffff0000d30e2000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 310344 hardirqs last enabled at (310343): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (310343): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (310344): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (310334): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (310332): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e273bc20 x27: 1fffe0001c4e7784 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e273bbf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000f301c068 x19: ffff0000f301c000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 316798 hardirqs last enabled at (316797): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (316798): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (316790): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (316788): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e273cf40 x27: 1fffe0001c4e79e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e273cf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db9fe068 x19: ffff0000db9fe000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 321988 hardirqs last enabled at (321987): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (321988): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (321980): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (321978): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e273f580 x27: 1fffe0001c4e7eb0 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e273f558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c3000068 x19: ffff0000c3000000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 327628 hardirqs last enabled at (327627): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (327627): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (327628): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (327618): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (327616): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f593cf40 x27: 1fffe0001eb279e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f593cf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d91f6068 x19: ffff0000d91f6000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 333022 hardirqs last enabled at (333021): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (333022): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (333014): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (333012): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5919f70 x27: 1fffe0001eb233ee x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5919f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d41d0068 x19: ffff0000d41d0000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 339300 hardirqs last enabled at (339299): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (339300): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (339292): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (339290): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f591c5b0 x27: 1fffe0001eb238b6 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f591c588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c600c068 x19: ffff0000c600c000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 345028 hardirqs last enabled at (345027): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (345028): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (345020): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (345018): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f591ebf0 x27: 1fffe0001eb23d7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f591ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000daf1e068 x19: ffff0000daf1e000 x18: 00000000ffffffff x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 350846 hardirqs last enabled at (350845): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (350846): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (350838): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (350836): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e26695e0 x27: 1fffe0001c4cd2bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e26695b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d5760068 x19: ffff0000d5760000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 355830 hardirqs last enabled at (355829): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (355830): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (355822): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (355820): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e266a900 x27: 1fffe0001c4cd520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e266a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9a2e068 x19: ffff0000d9a2e000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 361888 hardirqs last enabled at (361887): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (361887): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (361888): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (361878): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (361876): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e266cf40 x27: 1fffe0001c4cd9e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e266cf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6a08068 x19: ffff0000d6a08000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 367932 hardirqs last enabled at (367931): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (367932): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (367924): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (367922): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5b60c50 x27: 1fffe0001eb6c18a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5b60c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9b26068 x19: ffff0000c9b26000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 373088 hardirqs last enabled at (373087): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (373088): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (373080): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (373078): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e266e260 x27: 1fffe0001c4cdc4c x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e266e238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000f3b50068 x19: ffff0000f3b50000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 378564 hardirqs last enabled at (378563): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (378563): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (378564): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (378554): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (378552): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5b645b0 x27: 1fffe0001eb6c8b6 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5b64588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c94a0068 x19: ffff0000c94a0000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 384260 hardirqs last enabled at (384259): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (384260): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (384252): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (384250): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5b66bf0 x27: 1fffe0001eb6cd7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5b66bc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9788068 x19: ffff0000d9788000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 390376 hardirqs last enabled at (390375): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (390376): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (390368): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (390366): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2528c50 x27: 1fffe0001c4a518a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2528c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db3c4068 x19: ffff0000db3c4000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 395678 hardirqs last enabled at (395677): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (395678): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (395670): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (395668): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a015e0 x27: 1fffe0001eb402bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a015b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0bd8068 x19: ffff0000d0bd8000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 401480 hardirqs last enabled at (401479): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (401480): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (401472): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (401470): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a03c20 x27: 1fffe0001eb40784 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a03bf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cbfb0068 x19: ffff0000cbfb0000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 406942 hardirqs last enabled at (406941): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (406942): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (406934): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (406932): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a06260 x27: 1fffe0001eb40c4c x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a06238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000f3aca068 x19: ffff0000f3aca000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 412476 hardirqs last enabled at (412475): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (412476): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (412468): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (412466): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59f8c50 x27: 1fffe0001eb3f18a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59f8c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d60ea068 x19: ffff0000d60ea000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 417732 hardirqs last enabled at (417731): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (417731): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (417732): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (417722): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (417720): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59fb290 x27: 1fffe0001eb3f652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59fb268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c6e30068 x19: ffff0000c6e30000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 424674 hardirqs last enabled at (424673): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (424674): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (424666): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (424664): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e252b290 x27: 1fffe0001c4a5652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e252b268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cca4c068 x19: ffff0000cca4c000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 431946 hardirqs last enabled at (431945): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (431946): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (431938): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (431936): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59fd8d0 x27: 1fffe0001eb3fb1a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59fd8a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d3fa2068 x19: ffff0000d3fa2000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 437710 hardirqs last enabled at (437709): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (437710): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (437702): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (437700): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e252d8d0 x27: 1fffe0001c4a5b1a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e252d8a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c7072068 x19: ffff0000c7072000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 443906 hardirqs last enabled at (443905): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (443906): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (443898): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (443896): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e25115e0 x27: 1fffe0001c4a22bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e25115b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9898068 x19: ffff0000c9898000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 449156 hardirqs last enabled at (449155): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (449156): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (449148): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (449146): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e26815e0 x27: 1fffe0001c4d02bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e26815b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d336a068 x19: ffff0000d336a000 x18: 00000000ffffffff x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 454736 hardirqs last enabled at (454735): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (454736): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (454728): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (454726): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a1bc20 x27: 1fffe0001eb43784 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a1bbf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cd460068 x19: ffff0000cd460000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 460750 hardirqs last enabled at (460749): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (460750): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (460742): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (460740): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2687580 x27: 1fffe0001c4d0eb0 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2687558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000caa70068 x19: ffff0000caa70000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 466520 hardirqs last enabled at (466519): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (466519): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (466520): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (466510): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (466508): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a1ebf0 x27: 1fffe0001eb43d7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a1ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000de6a6068 x19: ffff0000de6a6000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 472542 hardirqs last enabled at (472541): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (472542): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (472534): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (472532): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a195e0 x27: 1fffe0001eb432bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a195b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1d4c068 x19: ffff0000d1d4c000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 479420 hardirqs last enabled at (479419): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (479420): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (479412): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (479410): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a19f70 x27: 1fffe0001eb433ee x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a19f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cbb38068 x19: ffff0000cbb38000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 486080 hardirqs last enabled at (486079): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (486080): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (486072): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (486070): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2653290 x27: 1fffe0001c4ca652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2653268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d8e7a068 x19: ffff0000d8e7a000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 491510 hardirqs last enabled at (491509): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (491510): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (491502): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (491500): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e265e260 x27: 1fffe0001c4cbc4c x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e265e238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6d1a068 x19: ffff0000d6d1a000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 498032 hardirqs last enabled at (498031): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (498031): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (498032): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (498022): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (498020): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2656260 x27: 1fffe0001c4cac4c x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2656238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d8732068 x19: ffff0000d8732000 x18: 00000000ffffffff x17: ffff800093605000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080449134 x6 : ffff800080de811c x5 : ffff0000e2884d80 x4 : ffff8000a1e867d0 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 503676 hardirqs last enabled at (503675): [] __call_rcu_common kernel/rcu/tree.c:3148 [inline] hardirqs last enabled at (503675): [] call_rcu+0x65c/0x978 kernel/rcu/tree.c:3243 hardirqs last disabled at (503676): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (503656): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (503654): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e26545b0 x27: 1fffe0001c4ca8b6 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2654588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9d8c068 x19: ffff0000c9d8c000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 509398 hardirqs last enabled at (509397): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (509397): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (509398): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (509388): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (509386): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e265cf40 x27: 1fffe0001c4cb9e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e265cf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cf9fc068 x19: ffff0000cf9fc000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 514894 hardirqs last enabled at (514893): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (514893): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (514894): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (514884): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (514882): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59202c0 x27: 1fffe0001eb24058 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5920298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ca5fe068 x19: ffff0000ca5fe000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 520756 hardirqs last enabled at (520755): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (520755): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (520756): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (520746): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (520744): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a245b0 x27: 1fffe0001eb448b6 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a24588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d05f6068 x19: ffff0000d05f6000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 527380 hardirqs last enabled at (527379): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (527379): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (527380): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (527370): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (527368): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5922900 x27: 1fffe0001eb24520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59228d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000caa2e068 x19: ffff0000caa2e000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 533236 hardirqs last enabled at (533235): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (533235): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (533236): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (533226): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (533224): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a23290 x27: 1fffe0001eb44652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a23268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1e2a068 x19: ffff0000d1e2a000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 539122 hardirqs last enabled at (539121): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (539121): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (539122): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (539112): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (539110): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a202c0 x27: 1fffe0001eb44058 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a20298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c8cfe068 x19: ffff0000c8cfe000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 544318 hardirqs last enabled at (544317): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (544318): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (544310): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (544308): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a13290 x27: 1fffe0001eb42652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a13268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dd288068 x19: ffff0000dd288000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 549994 hardirqs last enabled at (549993): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (549994): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (549986): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (549984): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e25215e0 x27: 1fffe0001c4a42bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e25215b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d2488068 x19: ffff0000d2488000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 555390 hardirqs last enabled at (555389): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (555389): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (555390): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (555380): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (555378): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2523c20 x27: 1fffe0001c4a4784 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2523bf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0f4a068 x19: ffff0000d0f4a000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 560820 hardirqs last enabled at (560819): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (560820): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (560812): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (560810): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2526260 x27: 1fffe0001c4a4c4c x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2526238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cf380068 x19: ffff0000cf380000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 566966 hardirqs last enabled at (566965): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (566966): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (566958): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (566956): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5927580 x27: 1fffe0001eb24eb0 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5927558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c35be068 x19: ffff0000c35be000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 572240 hardirqs last enabled at (572239): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (572239): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (572240): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (572230): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (572228): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5aa9f70 x27: 1fffe0001eb553ee x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5aa9f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000f0418068 x19: ffff0000f0418000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 578032 hardirqs last enabled at (578031): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (578032): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (578020): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (578018): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59215e0 x27: 1fffe0001eb242bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59215b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ef680068 x19: ffff0000ef680000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 584316 hardirqs last enabled at (584315): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (584316): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (584308): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (584306): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5aac5b0 x27: 1fffe0001eb558b6 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5aac588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cd86a068 x19: ffff0000cd86a000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 590000 hardirqs last enabled at (589999): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (590000): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (589992): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (589990): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5924f40 x27: 1fffe0001eb249e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5924f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4014068 x19: ffff0000d4014000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 595360 hardirqs last enabled at (595359): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (595360): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (595352): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (595350): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59258d0 x27: 1fffe0001eb24b1a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59258a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e291a068 x19: ffff0000e291a000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 600570 hardirqs last enabled at (600569): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (600570): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (600562): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (600560): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2669f70 x27: 1fffe0001c4cd3ee x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2669f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cf90c068 x19: ffff0000cf90c000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 606246 hardirqs last enabled at (606245): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (606246): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (606238): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (606236): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f591f580 x27: 1fffe0001eb23eb0 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f591f558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c64ec068 x19: ffff0000c64ec000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 611444 hardirqs last enabled at (611443): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (611443): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (611444): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (611434): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (611432): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f591cf40 x27: 1fffe0001eb239e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f591cf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000f31fc068 x19: ffff0000f31fc000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 617618 hardirqs last enabled at (617617): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (617618): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (617610): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (617608): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f591a900 x27: 1fffe0001eb23520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f591a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d2c88068 x19: ffff0000d2c88000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 623556 hardirqs last enabled at (623555): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (623556): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (623548): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (623546): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e266a900 x27: 1fffe0001c4cd520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e266a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d8cfc068 x19: ffff0000d8cfc000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 629246 hardirqs last enabled at (629245): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (629246): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (629238): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (629236): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e266bc20 x27: 1fffe0001c4cd784 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e266bbf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d92e0068 x19: ffff0000d92e0000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 634440 hardirqs last enabled at (634439): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (634440): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (634432): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (634430): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5b63290 x27: 1fffe0001eb6c652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5b63268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9810068 x19: ffff0000d9810000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 640734 hardirqs last enabled at (640733): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (640734): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (640726): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (640724): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e273ebf0 x27: 1fffe0001c4e7d7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e273ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6f7a068 x19: ffff0000d6f7a000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 646760 hardirqs last enabled at (646759): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (646760): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (646752): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (646750): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e273e260 x27: 1fffe0001c4e7c4c x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e273e238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d981e068 x19: ffff0000d981e000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 651902 hardirqs last enabled at (651901): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (651901): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (651902): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (651892): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (651890): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e273bc20 x27: 1fffe0001c4e7784 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e273bbf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cdb56068 x19: ffff0000cdb56000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 657644 hardirqs last enabled at (657643): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (657644): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (657636): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (657634): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e27395e0 x27: 1fffe0001c4e72bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e27395b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4d6a068 x19: ffff0000d4d6a000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 662866 hardirqs last enabled at (662865): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (662866): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (662858): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (662856): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59f95e0 x27: 1fffe0001eb3f2bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59f95b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d852c068 x19: ffff0000d852c000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 668480 hardirqs last enabled at (668479): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (668480): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (668472): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (668470): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59fa900 x27: 1fffe0001eb3f520 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59fa8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9ccc068 x19: ffff0000d9ccc000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 673626 hardirqs last enabled at (673625): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (673625): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (673626): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (673616): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (673614): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5b658d0 x27: 1fffe0001eb6cb1a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5b658a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9618068 x19: ffff0000c9618000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 679090 hardirqs last enabled at (679089): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (679089): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (679090): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (679080): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (679078): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e252b290 x27: 1fffe0001c4a5652 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e252b268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6426068 x19: ffff0000d6426000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 684812 hardirqs last enabled at (684811): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (684812): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (684804): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (684802): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59fcf40 x27: 1fffe0001eb3f9e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59fcf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db0d2068 x19: ffff0000db0d2000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 690460 hardirqs last enabled at (690459): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (690459): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (690460): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (690450): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (690448): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e25282c0 x27: 1fffe0001c4a5058 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2528298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c940c068 x19: ffff0000c940c000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 696302 hardirqs last enabled at (696301): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (696302): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (696294): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (696292): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e252e260 x27: 1fffe0001c4a5c4c x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e252e238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cab46068 x19: ffff0000cab46000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 702176 hardirqs last enabled at (702175): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (702176): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (702168): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (702166): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2680c50 x27: 1fffe0001c4d018a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2680c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000da6ea068 x19: ffff0000da6ea000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 707426 hardirqs last enabled at (707425): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (707425): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (707426): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (707416): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (707414): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e2686bf0 x27: 1fffe0001c4d0d7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e2686bc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ce38e068 x19: ffff0000ce38e000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 712572 hardirqs last enabled at (712571): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (712572): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (712564): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (712562): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e25115e0 x27: 1fffe0001c4a22bc x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e25115b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9afe068 x19: ffff0000c9afe000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 717934 hardirqs last enabled at (717933): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (717933): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (717934): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (717924): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (717922): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a06bf0 x27: 1fffe0001eb40d7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a06bc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c8b4c068 x19: ffff0000c8b4c000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 723560 hardirqs last enabled at (723559): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (723559): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (723560): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (723550): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (723548): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a045b0 x27: 1fffe0001eb408b6 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a04588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db054068 x19: ffff0000db054000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 728802 hardirqs last enabled at (728801): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (728802): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (728794): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (728792): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5a01f70 x27: 1fffe0001eb403ee x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5a01f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ca394068 x19: ffff0000ca394000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 733888 hardirqs last enabled at (733887): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (733888): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (733880): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (733878): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse t EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f593ebf0 x27: 1fffe0001eb27d7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f593ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d2ffa068 x19: ffff0000d2ffa000 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 739146 hardirqs last enabled at (739145): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (739145): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (739146): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (739136): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (739134): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f593cf40 x27: 1fffe0001eb279e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f593cf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d8d30068 x19: ffff0000d8d30000 x18: 1fffe00033776488 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff800080493890 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 744566 hardirqs last enabled at (744565): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (744565): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (744566): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (744556): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (744554): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f5939f70 x27: 1fffe0001eb273ee x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f5939f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cca36068 x19: ffff0000cca36000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 750216 hardirqs last enabled at (750215): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (750216): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (750208): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (750206): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 0 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e265f580 x27: 1fffe0001c4cbeb0 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e265f558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e0652068 x19: ffff0000e0652000 x18: 1fffe00033771c88 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 755496 hardirqs last enabled at (755495): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (755496): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (755488): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (755486): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000e265cf40 x27: 1fffe0001c4cb9e8 x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000e265cf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc1b0068 x19: ffff0000cc1b0000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 761492 hardirqs last enabled at (761491): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (761492): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (761484): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (761482): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f59fd8d0 x27: 1fffe0001eb3fb1a x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f59fd8a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cea04068 x19: ffff0000cea04000 x18: 1fffe00033776488 x17: 6572203a39363431 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff000143d0d78 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7000143d0d79 x10: 0000000000ff0100 x9 : c65976e77d77b900 x8 : c65976e77d77b900 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] (P) ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1908 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline] ext4_expand_extra_isize_ea+0xeb4/0x182c fs/ext4/xattr.c:2822 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6385 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6428 [inline] __ext4_mark_inode_dirty+0x3c0/0x6fc fs/ext4/inode.c:6506 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6538 __mark_inode_dirty+0x2ac/0x1090 fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2615 [inline] iput+0x1cc/0x83c fs/inode.c:1920 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 shrink_kill+0xd4/0x2cc fs/dcache.c:1114 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1141 shrink_dcache_parent+0xac/0x27c fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1604 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1621 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1766 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7395 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1375 __cleanup_mnt+0x20/0x30 fs/namespace.c:1382 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 767474 hardirqs last enabled at (767473): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (767474): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (767466): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (767464): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 7073 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 Modules linked in: CPU: 1 UID: 0 PID: 7073 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 fs/ext4/xattr.c:1588 sp : ffff8000a1e87140 x29: ffff8000a1e872a0 x28: ffff0000f592ebf0 x27: 1fffe0001eb25d7e x26: 0000000000000000 x25: 000000000000feeb x24: ffff7000143d0e3c x23: ffff0000f592ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d7580068 x19: ffff0000d7580000 x18: 1fffe00033776488