Fix FP memleak (f'up to #12186)

danmar · Nov 16, 2023 · f943944 · f943944
1 parent f636f7f
commit f943944
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/lib/checkleakautovar.cpp b/lib/checkleakautovar.cpp
@@ -969,7 +969,7 @@ void CheckLeakAutoVar::functionCall(const Token *tokName, const Token *tokOpenin
                 const Library::AllocFunc* deallocFunc = mSettings->library.getDeallocFuncInfo(tokName);
                 VarInfo::AllocInfo dealloc(deallocFunc ? deallocFunc->groupId : 0, VarInfo::DEALLOC, tokName);
                 if (const Library::AllocFunc* allocFunc = mSettings->library.getAllocFuncInfo(tokName)) {
-                    if (allocFunc->arg == argNr) {
+                    if (allocFunc->arg == argNr && !(arg->variable() && arg->variable()->isArgument() && arg->valueType() && arg->valueType()->pointer > 1)) {
                         leakIfAllocated(arg, varInfo);
                         VarInfo::AllocInfo& varAlloc = varInfo.alloctype[arg->varId()];
                         varAlloc.type = allocFunc->groupId;

diff --git a/test/cfg/gnu.c b/test/cfg/gnu.c
@@ -372,6 +372,10 @@ void memleak_asprintf3() {
     free(p);
 }
 
+void memleak_asprintf4(char** p) {
+    asprintf(p, "%s", "test");
+}
+
 void memleak_xmalloc()
 {
     char *p = (char*)xmalloc(10);