In uutils coreutils, the recursive mode (-R) of the chmod utility incorrectly computes its process exit status when operating on multiple files. Errors encountered on earlier files during traversal are not preserved; instead, the final return value is determined only by whether the last processed file succeeded or failed. As a result, chmod -R can return exit code 0 even when prior operations failed with errors such as 'Operation not permitted'. This is a logic flaw in error handling/reporting rather than a direct memory-safety issue, and it can mislead callers into believing a recursive permission change completed successfully when it did not.
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