[google/syzkaller] 5fa76f: pkg/aflow/tool/codesearcher: add end-to-end tests

[Dmitry Vyukov]

Branch: refs/heads/gh-readonly-queue/master/pr-6827-746545b8b1e4c3a128db8652b340d3df90ce61db
Home: https://github.com/google/syzkaller
Commit: 5fa76f921006ff7d47956b96a6cea333681444e4
https://github.com/google/syzkaller/commit/5fa76f921006ff7d47956b96a6cea333681444e4
Author: Dmitry Vyukov <dvy...@google.com>
Date: 2026-02-19 (Thu, 19 Feb 2026)

Changed paths:
M pkg/aflow/tool/codesearcher/codesearcher.go
A pkg/aflow/tool/codesearcher/codesearcher_test.go
M pkg/clangtool/tooltest/tooltest.go
M pkg/codesearch/codesearch.go
M pkg/codesearch/codesearch_test.go

Log Message:
-----------
pkg/aflow/tool/codesearcher: add end-to-end tests

Update #6811


Commit: d81144992f522593dc4f225d4054eb1695be1df0
https://github.com/google/syzkaller/commit/d81144992f522593dc4f225d4054eb1695be1df0
Author: Dmitry Vyukov <dvy...@google.com>
Date: 2026-02-19 (Thu, 19 Feb 2026)

Changed paths:
M pkg/aflow/llm_agent_test.go
M pkg/aflow/schema.go
A pkg/aflow/testdata/TestNilToolArg.llm.json
A pkg/aflow/testdata/TestNilToolArg.trajectory.json

Log Message:
-----------
pkg/aflow: fix handling of optional tool arguments

Currently we crash on nil deref, if LLM specifies explicit 'nil'
for an optional (pointer) argument. Handle such cases properly.

Fixes #6811


Compare: https://github.com/google/syzkaller/compare/5fa76f921006%5E...d81144992f52

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[Dmitry Vyukov]

Branch: refs/heads/master

Compare: https://github.com/google/syzkaller/compare/746545b8b1e4...d81144992f52