loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): orphan cleanup on readonly fs EXT4-fs warning (device loop4): ext4_xattr_inode_get:556: inode #11: comm syz.4.134: EA inode hash validation failed EXT4-fs warning (device loop4): ext4_expand_extra_isize_ea:2848: Unable to expand inode 15. Delete some EAs or run e2fsck. ------------[ cut here ]------------ EA inode 11 ref_count=-1 WARNING: CPU: 0 PID: 6492 at fs/ext4/xattr.c:1048 ext4_xattr_inode_update_ref+0x44b/0x5d0 fs/ext4/xattr.c:1047 Modules linked in: CPU: 0 UID: 0 PID: 6492 Comm: syz.4.134 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:ext4_xattr_inode_update_ref+0x44b/0x5d0 fs/ext4/xattr.c:1047 Code: 78 40 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 a8 2d 9d ff 49 8b 37 48 c7 c7 20 e6 9f 8b 4c 89 ea e8 f6 4c fd fe 90 <0f> 0b 90 90 48 bb 00 00 00 00 00 fc ff df 4c 8b 74 24 20 4c 8b 6c RSP: 0018:ffffc9000ba172e0 EFLAGS: 00010246 RAX: 37c0846494fd0c00 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc90010aea000 RSI: 0000000000014ed7 RDI: 0000000000014ed8 RBP: ffffc9000ba173d0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: ffffc9000ba17340 R13: ffffffffffffffff R14: 00000000ffffffff R15: ffff88807ea3c5c8 FS: 00007fe09d1306c0(0000) GS:ffff888125c13000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005595fbca7950 CR3: 000000002a449000 CR4: 0000000000350ef0 Call Trace: ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1076 [inline] ext4_xattr_inode_dec_ref_all+0x867/0xda0 fs/ext4/xattr.c:1218 ext4_xattr_delete_inode+0xa4c/0xc10 fs/ext4/xattr.c:2942 ext4_evict_inode+0xac9/0xee0 fs/ext4/inode.c:271 evict+0x504/0x9c0 fs/inode.c:810 ext4_orphan_cleanup+0xc20/0x1460 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5609 [inline] ext4_fill_super+0x57df/0x6090 fs/ext4/super.c:5728 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692 vfs_get_tree+0x92/0x2b0 fs/super.c:1815 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3808 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4324 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe09c39034a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe09d12fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe09d12fef0 RCX: 00007fe09c39034a RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007fe09d12feb0 RBP: 0000200000000180 R08: 00007fe09d12fef0 R09: 000000000080078b R10: 000000000080078b R11: 0000000000000246 R12: 00002000000001c0 R13: 00007fe09d12feb0 R14: 0000000000000473 R15: 0000200000000680