RFR: 8374343: Fix SIGSEGV when lib/modules is unreadable

[David Holmes]

On Wed, 24 Dec 2025 16:06:30 GMT, Boris Ulasevich <bulasevich at openjdk.org> wrote:

> This change adds a null check to avoid the dereference and bail out gracefully.

Note however that it need not actually lead to a failure, and in the process could cause a startup delay while AOT retries the archive loading. So a customer with this unexpected configuration may still not be happy about what they observe happen.

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PR Comment: https://git.openjdk.org/jdk/pull/28982#issuecomment-3716709862