Chris Lu cea12ba3c4 fix: prevent makeslice panic in ReadNeedleMeta with corrupted needle (#7675) ...

* fix: prevent makeslice panic in ReadNeedleMeta with corrupted needle

When a needle's DataSize in the .dat file is corrupted to a very large
value, the calculation of metaSize can become negative, causing a panic
with 'makeslice: len out of range' when creating the metadata slice.

This fix adds validation to check if metaSize is negative before
creating the slice, returning a descriptive error instead of panicking.

Fixes #7475

* Update weed/storage/needle/needle_read_page.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

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Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

2025-12-08 22:26:03 -08:00

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