Cross-Platform Compatibility Issues

Problem

Tests pass on Termux but fail on Armbian Orange Pi 5 (76% pass rate, 9/38 tests fail).

Environment Differences

  • Termux: Android userland, different libc implementation
  • Armbian Orange Pi 5: aarch64, glibc 2.36, gcc 12.2.0, Linux 6.1.115-vendor-rk35xx

Root Causes Analysis

Memory Corruption

  • real_performance_tests: “malloc(): corrupted top size” at 100KB file processing
  • Indicates heap corruption, likely buffer overflow or double-free

Segfaults (Empty Output)

  • upgrade_version_tests, cli_e2e_tests, sandbox_tests
  • Immediate crashes suggest initialization issues or null pointer dereference

Assertion Failures (String Handling)

  • truncate_fix_tests: Line count assertion failed
  • advanced_scripting_tests: String concatenation failed
  • variable_advanced_tests: String length assertion failed
  • multiline_enhanced_tests: Output accumulation failed
  • advanced_integration_tests: Documentation generation failed

Technical Issues Identified

  1. Memory alignment: Different architectures have different alignment requirements
  2. Buffer management: Inadequate bounds checking in string operations
  3. Null pointer handling: Missing validation in critical paths
  4. Error propagation: Poor error handling masking root causes

Fix Strategy

Phase 1: Core memory and string handling Phase 2: Platform-specific initialization
Phase 3: Enhanced error handling and validation