loop0: detected capacity change from 0 to 2048
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WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251127 #1 Not tainted
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syz-executor.2/8878 is leaving the kernel with locks still held!
1 lock held by syz-executor.2/8878:
 #0: ffff88800fc68188 (&sb->s_type->i_mutex_key#23/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir457761159/syzkaller.6H0AlD/152/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop0: detected capacity change from 0 to 2048
EXT4-fs warning (device loop0): read_mmp_block:110: Error -117 while reading MMP block 64