Fix fuzzer-found crashes and hangs in the demuxer#52

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claytercek wants to merge 6 commits into

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claytercek:fuzz-fixes

Commits on Jul 13, 2026

fix(minimp4): harden MP4D_open against malformed files
claytercek
committed
fix(minimp4): close remaining null-track derefs and O(n^2) hangs
claytercek
committed
fix(minimp4): grow stts timestamp/duration arrays geometrically
claytercek
committed
fix(minimp4): widen malloc size expressions before overflow can occur
claytercek
committed
fix(minimp4): guard against chunk/sample arrays never allocated
claytercek
committed
fix(minimp4): stop BOX_ctts spinning past its actual payload
claytercek
committed