syzbot

max_ino=32
i_nlink=0
------------[ cut here ]------------
EA inode 11 i_nlink=0
WARNING: CPU: 1 PID: 5811 at fs/ext4/xattr.c:1005 ext4_xattr_inode_update_ref+0x4bd/0x510 fs/ext4/xattr.c:1003
Modules linked in:
CPU: 1 PID: 5811 Comm: syz.2.757 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ext4_xattr_inode_update_ref+0x4bd/0x510 fs/ext4/xattr.c:1003
Code: 7c 24 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 14 e8 a1 ff 49 8b 37 48 c7 c7 00 9b 3d 8a 89 da e8 a3 bd 94 07 <0f> 0b 4c 8b 64 24 08 4c 8b 7c 24 10 e9 a9 fe ff ff e8 ed ac 9f 07
RSP: 0018:ffffc90003697340 EFLAGS: 00010246
RAX: df6af9d13b4e3b00 RBX: 0000000000000000 RCX: ffff88802c36d940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003697430 R08: ffffc90003696e67 R09: 1ffff920006d2dcc
R10: dffffc0000000000 R11: fffff520006d2dcd R12: ffff88805a25aa80
R13: 1ffff1100b44b58f R14: dffffc0000000000 R15: ffff88805a25aac0
FS:  000055556acff500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd022095000 CR3: 0000000061bc8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1028 [inline]
 ext4_xattr_inode_dec_ref_all+0x960/0xfc0 fs/ext4/xattr.c:1174
 ext4_xattr_delete_inode+0xad1/0xca0 fs/ext4/xattr.c:2902
 ext4_evict_inode+0xc53/0x1090 fs/ext4/inode.c:299
 evict+0x4c9/0x8d0 fs/inode.c:647
 ext4_orphan_get+0x4ed/0x5f0 fs/ext4/ialloc.c:1441
 ext4_orphan_cleanup+0x98b/0x1320 fs/ext4/orphan.c:465
 ext4_fill_super+0x8e25/0x95a0 fs/ext4/super.c:5000
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f44649a8f4a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd8a1d4a48 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffd8a1d4ad0 RCX: 00007f44649a8f4a
RDX: 0000200000000080 RSI: 00002000000001c0 RDI: 00007ffd8a1d4a90
RBP: 0000200000000080 R08: 00007ffd8a1d4ad0 R09: 0000000000800700
R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007ffd8a1d4a90 R14: 000000000000046f R15: 00002000000007c0
 </TASK>