chore(iast): iast code injection error with locals and globals

[avara1986]

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/appsec/_iast/taint_sinks/code_injection.py                      @DataDog/asm-python
tests/appsec/iast/fixtures/taint_sinks/code_injection.py                @DataDog/asm-python
tests/appsec/iast/taint_sinks/test_code_injection.py                    @DataDog/asm-python

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: avara1986/fix-iast_code_injection
Commit report: 75bffb6
Test service: dd-trace-py

✅ 0 Failed, 130 Passed, 1468 Skipped, 4m 30.08s Total duration (35m 28.18s time saved)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-01-17 13:20:49

Comparing candidate commit 75bffb6 in PR branch avara1986/fix-iast_code_injection with baseline commit 400053f in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 394 metrics, 2 unstable metrics.