migrate-code-scanning-alerts fails with OverflowException: analysis IDs now exceed Int32.MaxValue
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调研方向
从 src/Octoshift/Models/CodeScanningAnalysis.cs 以及 src/Octoshift/Services/GithubApi.cs 中与解析和 GetSarifReport 相关的引用入手；检查与分析 ID 类型相关的测试。使用大于 2,147,483,647 的 code scanning 分析 ID 重现问题，然后验证迁移能够越过溢出问题，并且相关测试通过。
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描述
Summary
gh gei migrate-code-scanning-alerts (v1.35.0, latest) now fails with:
[ERROR] System.OverflowException: Value was either too large or too small for an Int32.
right after Migrating Code Scanning Analyses from '<source>' to '<target>', before any SARIF is downloaded or uploaded.
Cause
Code scanning analysis IDs returned by the REST API now exceed Int32.MaxValue (2,147,483,647). Across many repositories we see IDs above that limit starting around 2026-11-11 (for example 2153368829, 2155212725), while older analyses are below it.
GEI parses analysis IDs as 32-bit integers:
src/Octoshift/Models/CodeScanningAnalysis.cs:public int Id { get; set; }src/Octoshift/Services/GithubApi.cs:Id = (int)codescan["id"],(casting the JSON value overflows)src/Octoshift/Services/GithubApi.cs:GetSarifReport(string org, string repo, int analysisId)
Any repository whose source or target has at least one analysis with an ID above Int32.MaxValue on the default branch fails immediately. Repositories whose analyses all predate the rollover still migrate successfully, so the failure rate grows as repositories are re-scanned.
Steps to reproduce
- Use a source repository with any code scanning analysis created recently (ID > 2147483647).
- Run
gh gei migrate-code-scanning-alerts --source-org <org> --source-repo <repo> --target-org <org> --target-repo <repo>. - GEI exits with status 1 and the
OverflowExceptionabove.
Suggested fix
Use long for code scanning analysis IDs: CodeScanningAnalysis.Id, the (int)codescan["id"] cast in GithubApi, and the analysisId parameter of GetSarifReport (plus related tests). Other REST IDs parsed as int may need the same review.
Environment
- gh-gei v1.35.0 (latest release)
- GitHub Enterprise Cloud (github.com), code scanning migration between organizations
- 主要语言
- C#
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