fix: add buffer-length check in routines.c#990
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Automated security fix generated by OrbisAI Security
The strcpy() call at routines
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Summary
Fix critical severity security issue in
tools/api_doc_lint/ctags/routines.c.Vulnerability
V-001tools/api_doc_lint/ctags/routines.c:330Description: The strcpy() call at routines.c:330 copies the string 'str' into 'result' without any bounds checking. If 'str' is longer than the allocated size of 'result', a buffer overflow occurs. This is in a tool that processes source code files for documentation linting, where input file content directly influences the string being copied.
Evidence
Exploitation scenario: An attacker provides a crafted source code file to the api_doc_lint tool containing an identifier or string longer than the destination buffer 'result'.
Scanner confirmation: multi_agent_ai rule
V-001flagged this pattern.Production code: This file is in the production codebase, not test-only code.
Changes
tools/api_doc_lint/ctags/routines.cVerification
Security Invariant
Regression test
This test guards against regressions — it's useful independent of the code change above.
Automated security fix by OrbisAI Security