AIInfoQabout 2 hours ago
OpenAI Fixes 18-Year-Old GNU libunwind Bug by Treating Crash Debugging Like Epidemiology
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OpenAI fixed an 18-year-old race condition in GNU libunwind's setcontext function with a one-instruction vulnerability window. The bug was found alongside silent hardware corruption on one Azure host in ChatGPT's data infrastructure. The breakthrough came from switching to population-level crash analysis rather than examining individual core dumps.
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