EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e89f70 x27: 1fffe0001c9d13ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e89f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cca8e068 x19: ffff0000cca8e000 x18: 00000000ffffffff x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 148690 hardirqs last enabled at (148689): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (148689): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (148690): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (148592): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (148590): [] 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 14. 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: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e8f580 x27: 1fffe0001c9d1eb0 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e8f558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cd68e068 x19: ffff0000cd68e000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 153860 hardirqs last enabled at (153859): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (153859): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (153860): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (153688): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (153686): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e94f40 x27: 1fffe0001c9d29e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e94f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ce58a068 x19: ffff0000ce58a000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 159554 hardirqs last enabled at (159553): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (159553): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (159554): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (159374): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (159372): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000dd9145b0 x27: 1fffe0001bb228b6 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000dd914588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cea84068 x19: ffff0000cea84000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 166634 hardirqs last enabled at (166633): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (166633): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (166634): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (166374): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (166372): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e9e260 x27: 1fffe0001c9d3c4c x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e9e238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000daef8068 x19: ffff0000daef8000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 171270 hardirqs last enabled at (171269): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (171269): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (171270): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (170986): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (170984): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e541a900 x27: 1fffe0001ca83520 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e541a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db47c068 x19: ffff0000db47c000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 175982 hardirqs last enabled at (175981): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (175981): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (175982): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (175700): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (175698): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e541ebf0 x27: 1fffe0001ca83d7e x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e541ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d8540068 x19: ffff0000d8540000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 181382 hardirqs last enabled at (181381): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (181381): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (181382): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (181126): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (181124): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5414f40 x27: 1fffe0001ca829e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5414f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1ed2068 x19: ffff0000d1ed2000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 186626 hardirqs last enabled at (186625): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (186625): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (186626): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (186456): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (186454): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4ea8c50 x27: 1fffe0001c9d518a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4ea8c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4d30068 x19: ffff0000d4d30000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 191826 hardirqs last enabled at (191825): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (191825): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (191826): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (191560): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (191558): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4eaebf0 x27: 1fffe0001c9d5d7e x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4eaebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1de0068 x19: ffff0000d1de0000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 196612 hardirqs last enabled at (196611): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (196611): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (196612): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (196334): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (196332): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddb245b0 x27: 1fffe0001bb648b6 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddb24588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6302068 x19: ffff0000d6302000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 201296 hardirqs last enabled at (201295): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (201295): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (201296): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (201030): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (201028): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbc3290 x27: 1fffe0001bb78652 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbc3268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cee46068 x19: ffff0000cee46000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 206008 hardirqs last enabled at (206007): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (206007): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (206008): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (205748): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (205746): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e54095e0 x27: 1fffe0001ca812bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e54095b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d70fe068 x19: ffff0000d70fe000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 211010 hardirqs last enabled at (211009): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (211009): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (211010): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (210828): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (210826): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e540f580 x27: 1fffe0001ca81eb0 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e540f558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d67f8068 x19: ffff0000d67f8000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 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+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (216124): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (216122): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51ac5b0 x27: 1fffe0001ca358b6 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51ac588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6c5a068 x19: ffff0000d6c5a000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 223020 hardirqs last enabled at (223019): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (223019): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (223020): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (222770): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (222768): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000dd929f70 x27: 1fffe0001bb253ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000dd929f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d578a068 x19: ffff0000d578a000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 229370 hardirqs last enabled at (229369): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (229369): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (229370): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (228658): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (228656): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000dd92e260 x27: 1fffe0001bb25c4c x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000dd92e238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0d66068 x19: ffff0000d0d66000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 234656 hardirqs last enabled at (234655): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (234655): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (234656): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (234484): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (234482): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51b3c20 x27: 1fffe0001ca36784 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51b3bf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000de068068 x19: ffff0000de068000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 239590 hardirqs last enabled at (239589): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (239589): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (239590): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (239432): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (239430): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51b7580 x27: 1fffe0001ca36eb0 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51b7558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d72e4068 x19: ffff0000d72e4000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 243940 hardirqs last enabled at (243939): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (243939): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (243940): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (243686): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (243684): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51bc5b0 x27: 1fffe0001ca378b6 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51bc588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ce74e068 x19: ffff0000ce74e000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 250042 hardirqs last enabled at (250041): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (250041): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (250042): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (249770): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (249768): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5441f70 x27: 1fffe0001ca883ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5441f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d5d5a068 x19: ffff0000d5d5a000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 254948 hardirqs last enabled at (254947): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (254947): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (254948): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (254684): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (254682): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5448c50 x27: 1fffe0001ca8918a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5448c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0c86068 x19: ffff0000d0c86000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 260272 hardirqs last enabled at (260271): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (260271): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (260272): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (260104): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (260102): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5466260 x27: 1fffe0001ca8cc4c x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5466238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000de0b2068 x19: ffff0000de0b2000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 266820 hardirqs last enabled at (266819): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (266819): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (266820): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (266632): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (266630): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e54515e0 x27: 1fffe0001ca8a2bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e54515b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c78fc068 x19: ffff0000c78fc000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 272944 hardirqs last enabled at (272943): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (272943): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (272944): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (272694): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (272692): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e546b290 x27: 1fffe0001ca8d652 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e546b268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c7a7c068 x19: ffff0000c7a7c000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007290 x15: 0000000000000001 x14: 1fffe0001b201128 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b201129 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008048354c 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 277818 hardirqs last enabled at (277817): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (277817): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (277818): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (277560): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (277560): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (277435): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e895e0 x27: 1fffe0001c9d12bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e895b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc9da068 x19: ffff0000cc9da000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 282678 hardirqs last enabled at (282677): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (282677): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (282678): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (282410): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (282408): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5471f70 x27: 1fffe0001ca8e3ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5471f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cbcee068 x19: ffff0000cbcee000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 289736 hardirqs last enabled at (289735): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (289735): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (289736): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (289458): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (289456): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e8f580 x27: 1fffe0001c9d1eb0 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e8f558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9c9e068 x19: ffff0000d9c9e000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 294652 hardirqs last enabled at (294651): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (294651): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (294652): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (294478): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (294476): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e91f70 x27: 1fffe0001c9d23ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e91f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ce358068 x19: ffff0000ce358000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 299726 hardirqs last enabled at (299725): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (299725): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (299726): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (299478): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (299476): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e945b0 x27: 1fffe0001c9d28b6 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e94588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dc000068 x19: ffff0000dc000000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 305188 hardirqs last enabled at (305187): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (305187): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (305188): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (305010): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (305008): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e99f70 x27: 1fffe0001c9d33ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e99f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d097e068 x19: ffff0000d097e000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 309834 hardirqs last enabled at (309833): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (309833): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (309834): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (309564): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (309562): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e547bc20 x27: 1fffe0001ca8f784 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e547bbf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4844068 x19: ffff0000d4844000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 314420 hardirqs last enabled at (314419): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (314419): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (314420): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (314412): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (314412): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (314399): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e782c0 x27: 1fffe0001c9cf058 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e78298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dcd2c068 x19: ffff0000dcd2c000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 319598 hardirqs last enabled at (319597): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (319597): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (319598): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (319314): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (319312): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e7e260 x27: 1fffe0001c9cfc4c x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e7e238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d25a8068 x19: ffff0000d25a8000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 325348 hardirqs last enabled at (325347): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (325347): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (325348): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (324992): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (324990): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbb8c50 x27: 1fffe0001bb7718a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbb8c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cbc62068 x19: ffff0000cbc62000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 329946 hardirqs last enabled at (329945): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (329945): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (329946): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (329786): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (329784): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbbcf40 x27: 1fffe0001bb779e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbbcf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cf5be068 x19: ffff0000cf5be000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 335408 hardirqs last enabled at (335407): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (335407): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (335408): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (335248): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (335246): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e541bc20 x27: 1fffe0001ca83784 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e541bbf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4b04068 x19: ffff0000d4b04000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 340002 hardirqs last enabled at (340001): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (340001): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (340002): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (339734): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (339732): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000dd8902c0 x27: 1fffe0001bb12058 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000dd890298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d48e6068 x19: ffff0000d48e6000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 344938 hardirqs last enabled at (344937): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (344937): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (344938): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (344698): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (344698): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (344571): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e541cf40 x27: 1fffe0001ca839e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e541cf18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d57dc068 x19: ffff0000d57dc000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 349564 hardirqs last enabled at (349563): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (349563): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (349564): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (349398): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (349396): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5410c50 x27: 1fffe0001ca8218a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5410c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d5b0c068 x19: ffff0000d5b0c000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 354210 hardirqs last enabled at (354209): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (354209): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (354210): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (353944): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (353942): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4ea4f40 x27: 1fffe0001c9d49e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4ea4f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1d18068 x19: ffff0000d1d18000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 358816 hardirqs last enabled at (358815): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (358815): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (358816): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (358478): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (358476): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51015e0 x27: 1fffe0001ca202bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51015b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0aae068 x19: ffff0000d0aae000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 363172 hardirqs last enabled at (363171): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (363171): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (363172): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (362890): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (362888): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5107580 x27: 1fffe0001ca20eb0 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5107558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d62d4068 x19: ffff0000d62d4000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 368258 hardirqs last enabled at (368257): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (368257): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (368258): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (367986): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (367984): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddb21f70 x27: 1fffe0001bb643ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddb21f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6d14068 x19: ffff0000d6d14000 x18: 0000000000000000 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 373630 hardirqs last enabled at (373629): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (373629): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (373630): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (373552): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (373550): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4ea8c50 x27: 1fffe0001c9d518a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4ea8c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d638a068 x19: ffff0000d638a000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 379146 hardirqs last enabled at (379145): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (379145): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (379146): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (379016): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (379014): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbc4f40 x27: 1fffe0001bb789e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbc4f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d7430068 x19: ffff0000d7430000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 383652 hardirqs last enabled at (383651): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (383651): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (383652): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (383482): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (383480): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbc1f70 x27: 1fffe0001bb783ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbc1f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dd79c068 x19: ffff0000dd79c000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 389284 hardirqs last enabled at (389283): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (389283): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (389284): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (388926): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (388924): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5119f70 x27: 1fffe0001ca233ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5119f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d8af0068 x19: ffff0000d8af0000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 393900 hardirqs last enabled at (393899): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (393899): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (393900): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (393604): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (393602): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5406260 x27: 1fffe0001ca80c4c x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5406238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cccde068 x19: ffff0000cccde000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 398536 hardirqs last enabled at (398535): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (398535): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (398536): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (398234): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (398232): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5122900 x27: 1fffe0001ca24520 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51228d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d95a2068 x19: ffff0000d95a2000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 403398 hardirqs last enabled at (403397): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (403397): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (403398): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (403100): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (403098): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000dd92a900 x27: 1fffe0001bb25520 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000dd92a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d66f8068 x19: ffff0000d66f8000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 408544 hardirqs last enabled at (408543): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (408543): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (408544): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (407888): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (407886): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51ab290 x27: 1fffe0001ca35652 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51ab268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d709a068 x19: ffff0000d709a000 x18: 0000000000000000 x17: ffff80010c5d9000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 413592 hardirqs last enabled at (413591): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (413591): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (413592): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (413318): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (413316): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbd0c50 x27: 1fffe0001bb7a18a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbd0c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c5912068 x19: ffff0000c5912000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 419410 hardirqs last enabled at (419409): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (419409): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (419410): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (419238): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (419236): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbd4f40 x27: 1fffe0001bb7a9e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbd4f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d72e6068 x19: ffff0000d72e6000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 424100 hardirqs last enabled at (424099): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (424099): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (424100): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (423830): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (423828): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51b3c20 x27: 1fffe0001ca36784 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51b3bf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ce092068 x19: ffff0000ce092000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 429510 hardirqs last enabled at (429509): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (429509): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (429510): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (429232): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (429230): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51b58d0 x27: 1fffe0001ca36b1a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51b58a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d5a1a068 x19: ffff0000d5a1a000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 434244 hardirqs last enabled at (434243): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (434243): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (434244): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (434058): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (434056): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e512d8d0 x27: 1fffe0001ca25b1a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e512d8a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000de0b8068 x19: ffff0000de0b8000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 439310 hardirqs last enabled at (439309): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (439309): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (439310): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (439028): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (439026): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e54202c0 x27: 1fffe0001ca84058 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5420298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9f64068 x19: ffff0000d9f64000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 444412 hardirqs last enabled at (444411): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (444411): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (444412): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (444132): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (444130): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5426bf0 x27: 1fffe0001ca84d7e x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5426bc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9cd0068 x19: ffff0000c9cd0000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 449204 hardirqs last enabled at (449203): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (449203): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (449204): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (448932): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (448930): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e215e0 x27: 1fffe0001c9c42bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e215b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ca77e068 x19: ffff0000ca77e000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 453772 hardirqs last enabled at (453771): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (453771): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (453772): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (453492): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (453490): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51bebf0 x27: 1fffe0001ca37d7e x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51bebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cac9e068 x19: ffff0000cac9e000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 459964 hardirqs last enabled at (459963): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (459963): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (459964): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (459678): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (459676): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e54495e0 x27: 1fffe0001ca892bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e54495b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cbeac068 x19: ffff0000cbeac000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 465594 hardirqs last enabled at (465593): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (465593): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (465594): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (465408): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (465406): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5446260 x27: 1fffe0001ca88c4c x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5446238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc340068 x19: ffff0000cc340000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 470096 hardirqs last enabled at (470095): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (470095): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (470096): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (469934): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (469932): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5136260 x27: 1fffe0001ca26c4c x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5136238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c8416068 x19: ffff0000c8416000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 475128 hardirqs last enabled at (475127): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (475127): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (475128): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (474968): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (474966): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5462900 x27: 1fffe0001ca8c520 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e54628d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc8a8068 x19: ffff0000cc8a8000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 480330 hardirqs last enabled at (480329): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (480329): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (480330): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (480160): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (480158): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e54645b0 x27: 1fffe0001ca8c8b6 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5464588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc8b6068 x19: ffff0000cc8b6000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 487228 hardirqs last enabled at (487227): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (487227): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (487228): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (486960): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (486960): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (485855): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e546c5b0 x27: 1fffe0001ca8d8b6 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e546c588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc93c068 x19: ffff0000cc93c000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 492592 hardirqs last enabled at (492591): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (492591): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (492592): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (492302): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (492300): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e546b290 x27: 1fffe0001ca8d652 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e546b268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc6da068 x19: ffff0000cc6da000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 497492 hardirqs last enabled at (497491): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (497491): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (497492): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (497214): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (497212): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e8a900 x27: 1fffe0001c9d1520 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e8a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9c46068 x19: ffff0000d9c46000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 502054 hardirqs last enabled at (502053): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (502053): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (502054): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (501928): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (501926): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5471f70 x27: 1fffe0001ca8e3ee x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5471f48 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c7b3e068 x19: ffff0000c7b3e000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 506422 hardirqs last enabled at (506421): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (506421): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (506422): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (506158): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (506156): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4edd8d0 x27: 1fffe0001c9dbb1a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4edd8a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cf07e068 x19: ffff0000cf07e000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 512166 hardirqs last enabled at (512165): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (512165): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (512166): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (512024): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (512022): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4ec45b0 x27: 1fffe0001c9d88b6 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4ec4588 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000daee4068 x19: ffff0000daee4000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 518024 hardirqs last enabled at (518023): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (518023): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (518024): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (517846): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (517844): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e54095e0 x27: 1fffe0001ca812bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e54095b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cc32c068 x19: ffff0000cc32c000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 523366 hardirqs last enabled at (523365): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (523365): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (523366): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (523214): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (523212): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5473290 x27: 1fffe0001ca8e652 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5473268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d28da068 x19: ffff0000d28da000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 529010 hardirqs last enabled at (529009): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (529009): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (529010): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (528694): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (528692): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e98c50 x27: 1fffe0001c9d318a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e98c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dcd2e068 x19: ffff0000dcd2e000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 533516 hardirqs last enabled at (533515): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (533515): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (533516): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (533250): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (533248): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000dd914f40 x27: 1fffe0001bb229e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000dd914f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cef60068 x19: ffff0000cef60000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 538614 hardirqs last enabled at (538613): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (538613): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (538614): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (538426): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (538424): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e882c0 x27: 1fffe0001c9d1058 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e88298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cbc64068 x19: ffff0000cbc64000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 543218 hardirqs last enabled at (543217): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (543217): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (543218): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (542924): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (542922): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e547ebf0 x27: 1fffe0001ca8fd7e x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e547ebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e0a22068 x19: ffff0000e0a22000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 547862 hardirqs last enabled at (547861): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (547861): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (547862): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (547754): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (547752): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5478c50 x27: 1fffe0001ca8f18a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5478c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d3b24068 x19: ffff0000d3b24000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 553256 hardirqs last enabled at (553255): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (553255): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (553256): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (553084): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (553082): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbbbc20 x27: 1fffe0001bb77784 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbbbbf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4f16068 x19: ffff0000d4f16000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 558848 hardirqs last enabled at (558847): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (558847): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (558848): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (558512): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (558510): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddb34f40 x27: 1fffe0001bb669e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddb34f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d5a34068 x19: ffff0000d5a34000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 563918 hardirqs last enabled at (563917): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (563917): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (563918): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (563576): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (563574): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e541d8d0 x27: 1fffe0001ca83b1a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e541d8a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d3470068 x19: ffff0000d3470000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 569124 hardirqs last enabled at (569123): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (569123): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (569124): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (569032): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (569030): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e541b290 x27: 1fffe0001ca83652 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e541b268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cd0ba068 x19: ffff0000cd0ba000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 573946 hardirqs last enabled at (573945): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (573945): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (573946): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (573856): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (573854): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddb30c50 x27: 1fffe0001bb6618a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddb30c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d62cc068 x19: ffff0000d62cc000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 578622 hardirqs last enabled at (578621): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (578621): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (578622): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (578442): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (578440): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5413c20 x27: 1fffe0001ca82784 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5413bf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cd7dc068 x19: ffff0000cd7dc000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 583840 hardirqs last enabled at (583839): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (583839): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (583840): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (583750): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (583748): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51a82c0 x27: 1fffe0001ca35058 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51a8298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1a8a068 x19: ffff0000d1a8a000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 589080 hardirqs last enabled at (589079): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (589079): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (589080): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (588986): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (588984): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51058d0 x27: 1fffe0001ca20b1a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51058a8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d75e6068 x19: ffff0000d75e6000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 594868 hardirqs last enabled at (594867): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (594867): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (594868): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (594576): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (594574): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000dd916bf0 x27: 1fffe0001bb22d7e x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000dd916bc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db4bc068 x19: ffff0000db4bc000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 599954 hardirqs last enabled at (599953): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (599953): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (599954): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (599644): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (599642): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddb23c20 x27: 1fffe0001bb64784 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddb23bf8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d7eae068 x19: ffff0000d7eae000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 604566 hardirqs last enabled at (604565): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (604565): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (604566): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (604386): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (604384): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5138c50 x27: 1fffe0001ca2718a x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5138c28 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d86d0068 x19: ffff0000d86d0000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 609220 hardirqs last enabled at (609219): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (609219): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (609220): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (609036): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (609034): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e513f580 x27: 1fffe0001ca27eb0 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e513f558 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d899e068 x19: ffff0000d899e000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 613792 hardirqs last enabled at (613791): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (613791): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (613792): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (613514): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (613512): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5146260 x27: 1fffe0001ca28c4c x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5146238 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d95a6068 x19: ffff0000d95a6000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 618222 hardirqs last enabled at (618221): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (618221): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (618222): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (617906): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (617904): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000ddbc6bf0 x27: 1fffe0001bb78d7e x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000ddbc6bc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d5dc0068 x19: ffff0000d5dc0000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 622896 hardirqs last enabled at (622895): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (622895): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (622896): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (622586): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (622584): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51215e0 x27: 1fffe0001ca242bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51215b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db5e2068 x19: ffff0000db5e2000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 628152 hardirqs last enabled at (628151): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (628151): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (628152): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (627850): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (627848): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e5403290 x27: 1fffe0001ca80652 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5403268 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c59ae068 x19: ffff0000c59ae000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 633302 hardirqs last enabled at (633301): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (633301): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (633302): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (633114): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (633112): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51aebf0 x27: 1fffe0001ca35d7e x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51aebc8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d88c4068 x19: ffff0000d88c4000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 638006 hardirqs last enabled at (638005): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (638005): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (638006): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (637998): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (637998): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (637863): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4e7a900 x27: 1fffe0001c9cf520 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4e7a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9d0a068 x19: ffff0000d9d0a000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 642532 hardirqs last enabled at (642531): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (642531): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (642532): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (642382): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (642380): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e4ea82c0 x27: 1fffe0001c9d5058 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e4ea8298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dcffe068 x19: ffff0000dcffe000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 647156 hardirqs last enabled at (647155): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (647155): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (647156): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (646974): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (646972): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51182c0 x27: 1fffe0001ca23058 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5118298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d20a0068 x19: ffff0000d20a0000 x18: 1fffe000337a0688 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 651782 hardirqs last enabled at (651781): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (651781): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (651782): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (651480): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (651478): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e545a900 x27: 1fffe0001ca8b520 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e545a8d8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e098c068 x19: ffff0000e098c000 x18: 1fffe0003379be88 x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 656678 hardirqs last enabled at (656677): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] hardirqs last enabled at (656677): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5105 hardirqs last disabled at (656678): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (656522): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (656520): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 1 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e54582c0 x27: 1fffe0001ca8b058 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e5458298 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9d5e068 x19: ffff0000c9d5e000 x18: 1fffe000337a0688 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 661706 hardirqs last enabled at (661705): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (661705): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (661706): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (661378): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (661376): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51b95e0 x27: 1fffe0001ca372bc x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51b95b8 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000de352068 x19: ffff0000de352000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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:7391 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 666996 hardirqs last enabled at (666995): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (666995): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (666996): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (666848): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (666846): [] 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: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline] WARNING: CPU: 0 PID: 6875 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: 6875 Comm: syz-executor.0 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 : ffff80009e2a7100 x29: ffff80009e2a7260 x28: ffff0000e51b4f40 x27: 1fffe0001ca369e8 x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 x23: ffff0000e51b4f18 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cbd48068 x19: ffff0000cbd48000 x18: 1fffe0003379be88 x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 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/0x10dc fs/fs-writeback.c:2527 mark_inode_dirty_sync include/linux/fs.h:2614 [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