https://bugs.llvm.org/show_bug.cgi?id=34193
Bug ID: 34193
Summary: False negative in following pointer for
core.NullDereference
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Static Analyzer
Assignee: kreme...@apple.com
Reporter: whisper...@gmail.com
CC: llvm-bugs@lists.llvm.org
Consider the following code:
int* a() { return nullptr; }
int main()
{
int* ptr = a();
int x = *ptr;
return x;
}
While this is clearly a null dereference, ClangSA does not seem to properly
follow this pointer in the analyzer, or some inner heuristics swallow this
case.
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