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Analyser: Fix unexpected exit from coverage extraction #2007

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merged 2 commits into from
Jan 21, 2025
Merged

Analyser: Fix unexpected exit from coverage extraction #2007

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8e5c324
Analyser: Fix unexpected exit from coverage extraction
arthurscchan Jan 21, 2025
31f6337
Fix formatting
arthurscchan Jan 21, 2025
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4 changes: 2 additions & 2 deletions src/fuzz_introspector/analysis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -295,8 +295,8 @@ def get_node_coverage_hitcount(demangled_name: str, callstack: Dict[int, str],
# The difference is this node has node "parent" or prior nodes.

if not profile.func_is_entrypoint(demangled_name):
raise AnalysisError(
"First node in calltree is non-fuzzer function")
logger.warning("First node in calltree is non-fuzzer function")
return 0
if profile.coverage.get_type() == 'kernel':
# For now, assume EP is hit. TODO(David) adjust this.
return 100
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8 changes: 6 additions & 2 deletions src/fuzz_introspector/commands.py
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Expand Up @@ -196,9 +196,13 @@ def analyse(args) -> int:
entrypoint=entrypoint,
out=out_dir)

if 'c' in args.language:
language = 'c-cpp'
else:
language = args.language

# Perform the FI backend project analysis from the frontend
introspection_proj = analysis.IntrospectionProject(args.language, out_dir,
'')
introspection_proj = analysis.IntrospectionProject(language, out_dir, '')
introspection_proj.load_data_files(True, '', out_dir)

# Perform the chosen standalone analysis
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