readAt 이 non-canonical 배열 인덱스를 허용하는 문제 수정 (#208)#209
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readAt 이 배열 인덱스를 Number(seg)+Number.isInteger 로만 검사해 RFC 6901 §4 가 금지하는 1.0/1e0/+1/01/"" 를 index 로 resolve 했고, write path 는 이를 거부해 읽기/쓰기 계약이 어긋났다. 같은 파일의 strict 파서 isArrayIndexSegment 를 재사용해 canonical 인덱스만 허용한다. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Closes #208
문제 (S2)
readAt이 배열 인덱스를Number(seg)+Number.isInteger로만 검사해 RFC 6901 §4 금지 토큰(1.0,1e0,+1,1,01,"")을 index 로 resolve 했다. write path 는 이를path_not_found로 거부하므로 읽기/쓰기 계약이 어긋나고, 반환path에 non-canonical 포인터가 실려 재사용 시 write 실패를 유발했다.수정
readAt배열 분기에서 같은 파일의 strict 파서isArrayIndexSegment(0또는[1-9][0-9]*)로 canonical 여부를 검사한 뒤 상한만 확인. 기존 strict 파서 재사용으로 배열 인덱스 파싱을 정본으로 수렴.검증
issue-208-*9 케이스 (canonical, non-canonical 6종 거부, 읽기/쓰기 일치, 범위 초과)🤖 Generated with Claude Code