The Rust binding compiled fine. then it started segfaulting in prod
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Rust segfault debugging in production, excellent technical depth and learnings.
Summary
A production segfault in a Rust image converter using libvips was traced to a derived Clone on a GObject wrapper that copies the raw pointer without incrementing the C refcount, causing a double-free on Drop. The fix replaced `.clone()` with `ops::copy()` to allocate a new GObject with its own refcount. Additional pitfalls included broken default options and operation cache interference under load.