diff options
Diffstat (limited to 'clang/lib/Analysis/MallocChecker.cpp')
| -rw-r--r-- | clang/lib/Analysis/MallocChecker.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/clang/lib/Analysis/MallocChecker.cpp b/clang/lib/Analysis/MallocChecker.cpp index fab73ee7b10..5bd27912e41 100644 --- a/clang/lib/Analysis/MallocChecker.cpp +++ b/clang/lib/Analysis/MallocChecker.cpp @@ -170,7 +170,12 @@ const GRState *MallocChecker::FreeMemAux(CheckerContext &C, const CallExpr *CE, assert(Sym); const RefState *RS = state->get<RegionState>(Sym); - assert(RS); + + // If the symbol has not been tracked, return. This is possible when free() is + // called on a pointer that does not get its pointee directly from malloc(). + // Full support of this requires inter-procedural analysis. + if (!RS) + return state; // Check double free. if (RS->isReleased()) { |
