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0a9016689e
Problem: When ASAN detects an error in a child process, the process may be killed by test teardown before ASAN finishes writing its log file. This results in truncated logs with no stack trace. Also, the sanitizer log content was only written to stdout (which the test runner may not display) and not included in the test_assert error message. Solution: - Poll (up to 2s) for the ASAN "SUMMARY" line before reading, so the crashing process has time to finish writing. - Include full log content in the test_assert error message, so it appears in CI output regardless of stdout handling. - Warn when the log appears truncated (no SUMMARY line found).