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Sep 25, 2019 · Fundamentals

Analyzing and Fixing realloc Memory Issues in WABT's wasm2c Component

This article examines the WABT project's wasm2c memory bug caused by improper use of realloc, explains two classic realloc pitfalls—failure detection and zero‑size allocation—provides safe coding patterns, and describes the submitted fix that has been merged into the main branch.