------------[ cut here ]------------
EA inode 11 i_nlink=0
WARNING: CPU: 1 PID: 4351 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Modules linked in:
CPU: 1 PID: 4351 Comm: syz.0.23 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Code: 40 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 75 08 a2 ff 49 8b 34 24 48 c7 c7 00 99 3d 8a 44 89 fa e8 c2 12 99 07 <0f> 0b 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 08 4c 8b 64 24 10
RSP: 0018:ffffc900012ef180 EFLAGS: 00010246
RAX: a1e75eb4f4fbb100 RBX: ffff88805d0d8498 RCX: 0000000000080000
RDX: ffffc90004d09000 RSI: 000000000004d354 RDI: 000000000004d355
RBP: ffffc900012ef270 R08: ffff8880b912795b R09: 1ffff11017224f2b
R10: dffffc0000000000 R11: ffffed1017224f2c R12: ffff88805d0d82e0
R13: dffffc0000000000 R14: ffff88805d0d82a0 R15: 0000000000000000
FS:  00007f16e64216c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000b94000 CR3: 0000000061b77000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1029 [inline]
 ext4_xattr_set_entry+0xb48/0x3f70 fs/ext4/xattr.c:1687
 ext4_xattr_ibody_set+0x113/0x330 fs/ext4/xattr.c:2240
 ext4_xattr_move_to_block fs/ext4/xattr.c:2627 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2695 [inline]
 ext4_expand_extra_isize_ea+0xf0d/0x18e0 fs/ext4/xattr.c:2783
 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5924