loop4: detected capacity change from 0 to 512
EXT4-fs (loop4): orphan cleanup on readonly fs
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5234 at fs/ext4/xattr.c:1874 ext4_xattr_block_set+0x2a76/0x32a0 fs/ext4/xattr.c:1874
Modules linked in:
CPU: 0 PID: 5234 Comm: syz.4.272 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:ext4_xattr_block_set+0x2a76/0x32a0 fs/ext4/xattr.c:1874
Code: ff 48 8b 5c 24 18 48 8d 7b 28 be 08 00 00 00 e8 40 6d 9d ff f0 80 63 28 fd eb 1b e8 54 4a 4d ff e9 2f f1 ff ff e8 4a 4a 4d ff <0f> 0b e9 72 d7 ff ff e8 3e 4a 4d ff 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9001b6472c0 EFLAGS: 00010287
RAX: ffffffff82338646 RBX: ffffc9001b6475c8 RCX: 0000000000080000
RDX: ffffc9000e022000 RSI: 00000000000097f9 RDI: 00000000000097fa
RBP: ffffc9001b6474b8 R08: dffffc0000000000 R09: fffff520036c8e84
R10: fffff520036c8e84 R11: 1ffff920036c8e7f R12: 0000000000000000
R13: 1ffff920036c8eba R14: 1ffff920036c8eb9 R15: ffffc9001b6475d0
FS:  00007f881646c6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f856c5056c0 CR3: 000000007f895000 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:2625 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2700 [inline]
 ext4_expand_extra_isize_ea+0x109b/0x19b0 fs/ext4/xattr.c:2792
 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5966
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6009 [inline]
 __ext4_mark_inode_dirty+0x47f/0x770 fs/ext4/inode.c:6087
 ext4_evict_inode+0xa73/0x1100 fs/ext4/inode.c:279
 evict+0x485/0x870 fs/inode.c:705
 ext4_orphan_cleanup+0xbd3/0x1400 fs/ext4/orphan.c:474
 __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:3069
 do_mount fs/namespace.c:3412 [inline]
 __do_sys_mount fs/namespace.c:3620 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3597
 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: 0033:0x7f881559034a
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:00007f881646be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f881646bef0 RCX: 00007f881559034a
RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007f881646beb0
RBP: 0000200000000180 R08: 00007f881646bef0 R09: 000000000080078b
R10: 000000000080078b R11: 0000000000000246 R12: 00002000000001c0
R13: 00007f881646beb0 R14: 0000000000000473 R15: 0000200000000680
 </TASK>