loop4: detected capacity change from 0 to 512
EXT4-fs (loop4): orphan cleanup on readonly fs
------------[ cut here ]------------
WARNING: CPU: 0 PID: 20973 at fs/ext4/xattr.c:1863 ext4_xattr_block_set+0x2a80/0x32b0 fs/ext4/xattr.c:1863
Modules linked in:
CPU: 0 PID: 20973 Comm: syz.4.4577 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ext4_xattr_block_set+0x2a80/0x32b0 fs/ext4/xattr.c:1863
Code: ff 48 8b 5c 24 18 48 8d 7b 28 be 08 00 00 00 e8 16 3b 9c ff f0 80 63 28 fd eb 1b e8 9a 4d 4b ff e9 2a f1 ff ff e8 90 4d 4b ff <0f> 0b e9 6d d7 ff ff e8 84 4d 4b ff 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000f827260 EFLAGS: 00010283
RAX: ffffffff82372620 RBX: ffffc9000f827568 RCX: 0000000000080000
RDX: ffffc90006059000 RSI: 00000000000131d8 RDI: 00000000000131d9
RBP: ffffc9000f827448 R08: ffffc9000f8273bf R09: 1ffff92001f04e77
R10: dffffc0000000000 R11: fffff52001f04e78 R12: 0000000000000000
R13: 1ffff92001f04eae R14: 1ffff92001f04ead R15: ffffc9000f827570
FS:  00007f509516f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1301256d58 CR3: 0000000043670000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_move_to_block fs/ext4/xattr.c:2611 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2686 [inline]
 ext4_expand_extra_isize_ea+0x120b/0x1dc0 fs/ext4/xattr.c:2774
 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5984
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6027 [inline]
 __ext4_mark_inode_dirty+0x47f/0x770 fs/ext4/inode.c:6105
 ext4_evict_inode+0xa7f/0x1110 fs/ext4/inode.c:279
 evict+0x4c9/0x8d0 fs/inode.c:705
 ext4_orphan_cleanup+0xbeb/0x1420 fs/ext4/orphan.c:472
 __ext4_fill_super fs/ext4/super.c:5556 [inline]
 ext4_fill_super+0x7829/0x7dc0 fs/ext4/super.c:5687
 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+0x2e3/0x3d0 fs/namespace.c:3606
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f509439d8ca
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:00007f509516ee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f509516eee0 RCX: 00007f509439d8ca
RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007f509516eea0
RBP: 0000200000000180 R08: 00007f509516eee0 R09: 000000000080078b
R10: 000000000080078b R11: 0000000000000246 R12: 00002000000001c0
R13: 00007f509516eea0 R14: 000000000000046b R15: 0000200000000680
 </TASK>