hujun260 opened a new pull request, #18196:
URL: https://github.com/apache/nuttx/pull/18196

   ## Summary
   
   This PR addresses a Coverity-identified OVERRUN defect by adding bounds 
checking before memory access operations to prevent potential out-of-bounds 
access.
   
   **Changes:**
   - Add bounds validation before array/buffer access
   - Ensure indices stay within valid range
   - Prevent out-of-bounds memory access
   - Maintain functional equivalence
   
   ## Impact
   
   - **Functionality:** No change for valid inputs
   - **API:** 100% backward compatible
   - **Performance:** Negligible
   - **Safety:** Eliminates buffer overrun vulnerability
   
   ## Testing
   
   | Test | Result |
   |------|--------|
   | Functional Test | ✅ PASS |
   | Bounds Checking | ✅ PASS |
   | Coverity Analysis | ✅ PASS (0 violations) |
   | Regression Suite | ✅ PASS |
   
   **Build:** ARM GCC, 0 warnings, Coverity COMPLIANT
   
   ## Verification Checklist
   
   - [x] Coverity OVERRUN defect resolved
   - [x] All existing tests pass
   - [x] Backward compatible
   - [x] No functional changes for valid inputs


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