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Fix #14949: FP leakNoVarFunctionCall when passing resource to constructor #8765

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Fix #14949: FP leakNoVarFunctionCall when passing resource to constructor #8765

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09d0cc4
Fix #14949: FP when passing resource to ctor
Jul 29, 2026
960641a
remove temp comment
Jul 29, 2026
9590471
remove else after continue
Jul 30, 2026
b8feb14
revert check for alloc in ctor
Jul 30, 2026
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28 changes: 13 additions & 15 deletions lib/checkmemoryleak.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1046,22 +1046,20 @@ void CheckMemoryLeakNoVarImpl::checkForUnreleasedInputArgument(const Scope *scop
const AllocType alloc = getAllocationType(arg, 0);
if (alloc == No)
continue;
if (alloc == New || alloc == NewArray) {
const Token* typeTok = arg->next();
bool bail = !typeTok->isStandardType() &&
(!typeTok->valueType() ||
(typeTok->valueType()->type < ValueType::Type::SMART_POINTER &&
typeTok->valueType()->type != ValueType::Type::POD)) &&
!mSettings.library.detectContainerOrIterator(typeTok) &&
!mSettings.library.podtype(typeTok->expressionString());
if (bail && typeTok->type() && typeTok->type()->classScope &&
typeTok->type()->classScope->numConstructors == 0 &&
typeTok->type()->classScope->getDestructor() == nullptr) {
bail = false;
}
if (bail)
continue;
const Token* typeTok = arg->next();
bool bail = !typeTok->isStandardType() &&
(!typeTok->valueType() ||
(typeTok->valueType()->type < ValueType::Type::SMART_POINTER &&
typeTok->valueType()->type != ValueType::Type::POD)) &&
!mSettings.library.detectContainerOrIterator(typeTok) &&
!mSettings.library.podtype(typeTok->expressionString());
if (bail && typeTok->type() && typeTok->type()->classScope &&
typeTok->type()->classScope->numConstructors == 0 &&
typeTok->type()->classScope->getDestructor() == nullptr) {
bail = false;
}
if (bail)
continue;
if (isReopenStandardStream(arg))
continue;
if (tok->function()) {
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17 changes: 17 additions & 0 deletions test/testmemleak.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2628,6 +2628,23 @@ class TestMemleakNoVar : public TestFixture {
"[test.cpp:7:12]: (error) Allocation with f2, assert doesn't release it. [leakNoVarFunctionCall]\n"
"[test.cpp:8:12]: (error) Allocation with f3, assert doesn't release it. [leakNoVarFunctionCall]\n",
errout_str());
check("struct S {\n"
" explicit S(int fd) {\n"
" m_fd = fd;\n"
" }\n"
" ~S() {\n"
" if (m_fd >= 0)\n"
" close(m_fd); \n"
" }\n"
" int m_fd = -1;\n"
"};\n"
"S g(char *name) {\n"
" return S(mkostemp(name, 0));\n"
"}\n"
"void f(char* ptr) {\n"
" S s = g(ptr);\n"
"}\n");
ASSERT_EQUALS("", errout_str());
}

void missingAssignment() {
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