syzbot

loop0: detected capacity change from 0 to 512
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: CPU: 1 PID: 4430 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x4be/0x520 fs/ext4/xattr.c:1020
Modules linked in:
CPU: 1 PID: 4430 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:ext4_xattr_inode_update_ref+0x4be/0x520 fs/ext4/xattr.c:1020
Code: 8d 7d 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 e3 f3 9c ff 49 8b 37 48 c7 c7 80 90 a0 8a 89 da e8 62 ed 18 ff <0f> 0b 49 be 00 00 00 00 00 fc ff df 4c 8b 6c 24 10 4c 8b 7c 24 08
RSP: 0018:ffffc90003427340 EFLAGS: 00010246
RAX: 7aca14bb8f412900 RBX: 0000000000000002 RCX: ffff88807c3c0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc90003427430 R08: dffffc0000000000 R09: ffffed10171e4f34
R10: ffffed10171e4f34 R11: 1ffff110171e4f33 R12: ffffc900034273a0
R13: ffff88805e95d2f0 R14: dffffc0000000000 R15: ffff88805e95d330
FS:  000055555d663500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc941c3e000 CR3: 000000002f97f000 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:1045 [inline]
 ext4_xattr_inode_dec_ref_all+0xa91/0xfe0 fs/ext4/xattr.c:1187
 ext4_xattr_delete_inode+0x9f1/0xbb0 fs/ext4/xattr.c:2915
 ext4_evict_inode+0xc39/0x1100 fs/ext4/inode.c:296
 evict+0x485/0x870 fs/inode.c:705
 ext4_orphan_cleanup+0xbd3/0x1400 fs/ext4/orphan.c:470
 __ext4_fill_super fs/ext4/super.c:5537 [inline]
 ext4_fill_super+0x7bc2/0x8150 fs/ext4/super.c:5668
 get_tree_bdev+0x3f1/0x610 fs/super.c:1366
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x24a/0xa40 fs/namespace.c:3078
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3606
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc94a99076a
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:00007ffdfcb715d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffdfcb71660 RCX: 00007fc94a99076a
RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffdfcb71620
RBP: 0000200000000180 R08: 00007ffdfcb71660 R09: 0000000000800700
R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007ffdfcb71620 R14: 000000000000046c R15: 0000200000000740
 </TASK>