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Go: more models for log.slog#22006
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⚠️ The head of this PR and the base branch were compared for differences in the framework coverage reports. The generated reports are available in the artifacts of this workflow run. The differences will be picked up by the nightly job after the PR gets merged. Click to show differences in coveragegoGenerated file changes for go
- `Standard library <https://pkg.go.dev/std>`_,"````, ``archive/*``, ``bufio``, ``bytes``, ``cmp``, ``compress/*``, ``container/*``, ``context``, ``crypto``, ``crypto/*``, ``database/*``, ``debug/*``, ``embed``, ``encoding``, ``encoding/*``, ``errors``, ``expvar``, ``flag``, ``fmt``, ``go/*``, ``hash``, ``hash/*``, ``html``, ``html/*``, ``image``, ``image/*``, ``index/*``, ``io``, ``io/*``, ``log``, ``log/*``, ``maps``, ``math``, ``math/*``, ``mime``, ``mime/*``, ``net``, ``net/*``, ``os``, ``os/*``, ``path``, ``path/*``, ``plugin``, ``reflect``, ``reflect/*``, ``regexp``, ``regexp/*``, ``slices``, ``sort``, ``strconv``, ``strings``, ``sync``, ``sync/*``, ``syscall``, ``syscall/*``, ``testing``, ``testing/*``, ``text/*``, ``time``, ``time/*``, ``unicode``, ``unicode/*``, ``unsafe``, ``weak``",52,612,124
+ `Standard library <https://pkg.go.dev/std>`_,"````, ``archive/*``, ``bufio``, ``bytes``, ``cmp``, ``compress/*``, ``container/*``, ``context``, ``crypto``, ``crypto/*``, ``database/*``, ``debug/*``, ``embed``, ``encoding``, ``encoding/*``, ``errors``, ``expvar``, ``flag``, ``fmt``, ``go/*``, ``hash``, ``hash/*``, ``html``, ``html/*``, ``image``, ``image/*``, ``index/*``, ``io``, ``io/*``, ``log``, ``log/*``, ``maps``, ``math``, ``math/*``, ``mime``, ``mime/*``, ``net``, ``net/*``, ``os``, ``os/*``, ``path``, ``path/*``, ``plugin``, ``reflect``, ``reflect/*``, ``regexp``, ``regexp/*``, ``slices``, ``sort``, ``strconv``, ``strings``, ``sync``, ``sync/*``, ``syscall``, ``syscall/*``, ``testing``, ``testing/*``, ``text/*``, ``time``, ``time/*``, ``unicode``, ``unicode/*``, ``unsafe``, ``weak``",52,625,127
- Totals,,688,1072,1577
+ Totals,,688,1085,1580
- log,40,,3,,,,40,,,,,,,,,,,,,,,,,,,3,
+ log,43,,16,,,,43,,,,,,,,,,,,,,,,,,,16, |
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The updated change note is now incomplete/inaccurate relative to the expanded log/slog modeling added in this PR.
Pull request overview
This PR extends the Go standard-library log/slog modeling to cover additional APIs beyond the core logging calls, building on the earlier LoggerCall/log-injection support to improve query coverage and model validation.
Changes:
- Add
log/slogmodels forWith/WithGroupaslog-injectionsinks and add summary models forAttr/Valueconstruction/accessors. - Add a new
frameworks/Sloglibrary-test module to validate taint/value flows through the new models. - Extend the
LoggerCallconcept library test cases to includeWith/WithGroup.
File summaries
| File | Description |
|---|---|
| go/ql/test/library-tests/semmle/go/frameworks/Slog/test.go | New Go test cases exercising slog calls, Logger methods, With/WithGroup, and Attr/Value helpers. |
| go/ql/test/library-tests/semmle/go/frameworks/Slog/TaintFlows.ql | New inline-flow test query configuration for validating modeled sinks/summaries. |
| go/ql/test/library-tests/semmle/go/frameworks/Slog/TaintFlows.expected | Expected output marker file for the inline-flow test. |
| go/ql/test/library-tests/semmle/go/frameworks/Slog/go.mod | New Go module file (Go 1.21) for the Slog library test. |
| go/ql/test/library-tests/semmle/go/concepts/LoggerCall/slog.go | Adds With/WithGroup cases to the LoggerCall library test. |
| go/ql/lib/ext/log.slog.model.yml | Adds sink models for With/WithGroup and summary models for Attr/Value constructors/accessors. |
| go/ql/lib/change-notes/2026-06-17-model-log-slog.md | Updates the change note text (needs adjustment to reflect the full modeled surface). |
Copilot's findings
- Files reviewed: 7/7 changed files
- Comments generated: 1
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June 18, 2026 11:29
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Follow-on from #22004.