diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2023-12-18 20:30:12 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2024-04-06 20:11:55 +0000 |
| commit | 5f757f3ff9144b609b3c433dfd370cc6bdc191ad (patch) | |
| tree | 1b4e980b866cd26a00af34c0a653eb640bd09caf /contrib/llvm-project/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp | |
| parent | 3e1c8a35f741a5d114d0ba670b15191355711fe9 (diff) | |
| parent | 312c0ed19cc5276a17bacf2120097bec4515b0f1 (diff) | |
Diffstat (limited to 'contrib/llvm-project/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp')
| -rw-r--r-- | contrib/llvm-project/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/contrib/llvm-project/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp b/contrib/llvm-project/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp index 0b3d635a50a3..8fc44e78be6f 100644 --- a/contrib/llvm-project/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp +++ b/contrib/llvm-project/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp @@ -48,8 +48,10 @@ void MmapWriteExecChecker::checkPreCall(const CallEvent &Call, CheckerContext &C) const { if (matchesAny(Call, MmapFn, MprotectFn)) { SVal ProtVal = Call.getArgSVal(2); - auto ProtLoc = ProtVal.castAs<nonloc::ConcreteInt>(); - int64_t Prot = ProtLoc.getValue().getSExtValue(); + auto ProtLoc = ProtVal.getAs<nonloc::ConcreteInt>(); + if (!ProtLoc) + return; + int64_t Prot = ProtLoc->getValue().getSExtValue(); if (ProtExecOv != ProtExec) ProtExec = ProtExecOv; if (ProtReadOv != ProtRead) |