EXT4-fs warning (device loop0): ext4_xattr_inode_get:546: inode #11: comm syz.0.21: ea_inode file size=0 entry size=6 EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2853: Unable to expand inode 15. Delete some EAs or run e2fsck. ------------[ cut here ]------------ EA inode 11 i_nlink=2 WARNING: CPU: 0 PID: 6723 at fs/ext4/xattr.c:1058 ext4_xattr_inode_update_ref+0x408/0x44c fs/ext4/xattr.c:1056 Modules linked in: CPU: 0 UID: 0 PID: 6723 Comm: syz.0.21 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_update_ref+0x408/0x44c fs/ext4/xattr.c:1056 lr : ext4_xattr_inode_update_ref+0x408/0x44c fs/ext4/xattr.c:1056 sp : ffff80009f396ea0 x29: ffff80009f396f40 x28: 0000000000000000 x27: 1fffe0001f0fd68b x26: dfff800000000000 x25: ffff80009f396ec0 x24: ffff700013e72dd8 x23: ffff800092c29000 x22: ffff0000f87eb2a8 x21: 0000000000000002 x20: 0000000000000001 x19: ffff0000f87eb268 x18: 00000000ffffffff x17: ffff800093335000 x16: ffff800082defcc0 x15: 0000000000000001 x14: 1fffe000337d4afa x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000001e382 x9 : 011b373da9a9af00 x8 : 011b373da9a9af00 x7 : ffff800080565b88 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6d54 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ext4_xattr_inode_update_ref+0x408/0x44c fs/ext4/xattr.c:1056 (P) ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1081 [inline] ext4_xattr_inode_dec_ref_all+0x76c/0xbfc fs/ext4/xattr.c:1223 ext4_xattr_delete_inode+0x8b0/0xa40 fs/ext4/xattr.c:2947 ext4_evict_inode+0xb98/0x1084 fs/ext4/inode.c:271 evict+0x414/0x928 fs/inode.c:810 iput_final fs/inode.c:1914 [inline] iput+0x95c/0xad4 fs/inode.c:1966 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:356 ext4_orphan_cleanup+0x930/0x107c fs/ext4/orphan.c:470 __ext4_fill_super fs/ext4/super.c:5617 [inline] ext4_fill_super+0x4854/0x4fcc fs/ext4/super.c:5736 get_tree_bdev_flags+0x360/0x414 fs/super.c:1698 get_tree_bdev+0x2c/0x3c fs/super.c:1721 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5768 vfs_get_tree+0x90/0x28c fs/super.c:1758 fc_mount fs/namespace.c:1199 [inline] do_new_mount_fc fs/namespace.c:3642 [inline] do_new_mount+0x284/0x944 fs/namespace.c:3718 path_mount+0x5b4/0xdfc fs/namespace.c:4028 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4206 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 1720 hardirqs last enabled at (1719): [] vprintk_store+0x898/0xac8 kernel/printk/printk.c:2329 hardirqs last disabled at (1720): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (876): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (874): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): 1 orphan inode deleted EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.