ext4: make sure the first directory block is not a hole

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2024-42304 · Microsoft / collected KEV context

cve-program · CVE-2024-42304

• https://git.kernel.org/stable/c/d81d7e347d1f1f48a5634607d39eb90c161c8afe
• https://git.kernel.org/stable/c/e02f9941e8c011aa3eafa799def6a134ce06bcfa
• https://git.kernel.org/stable/c/de2a011a13a46468a6e8259db58b1b62071fe136
• https://git.kernel.org/stable/c/9771e3d8365ae1dd5e8846a204cb9af14e3e656a
• https://git.kernel.org/stable/c/b609753cbbd38f8c0affd4956c0af178348523ac
• https://git.kernel.org/stable/c/c3893d9de8ee153baac56d127d844103488133b5
• https://git.kernel.org/stable/c/299bc6ffa57e04e74c6cce866d6c0741fb4897a1
• https://git.kernel.org/stable/c/f9ca51596bbfd0f9c386dd1c613c394c78d9e5e6

No related operational record is retained in the current change model.