fix: guard getcwd return value to prevent bsh panic on ARM64#204
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fix: guard getcwd return value to prevent bsh panic on ARM64#204
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The getcwd syscall returns a garbage length on ARM64, causing a slice range panic. Add bounds check (len <= buf.len()) and fall back gracefully when getcwd returns invalid data. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
len <= buf.len()before using the returned length"/"orNoneinstead of panickingTest plan
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