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dns: fix cares memory leak #43912

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Merged
merged 1 commit into from
Jul 24, 2022
Merged

dns: fix cares memory leak #43912

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3 changes: 1 addition & 2 deletions src/cares_wrap.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1428,6 +1428,7 @@ static void Query(const FunctionCallbackInfo<Value>& args) {


void AfterGetAddrInfo(uv_getaddrinfo_t* req, int status, struct addrinfo* res) {
auto cleanup = OnScopeLeave([&]() { uv_freeaddrinfo(res); });
std::unique_ptr<GetAddrInfoReqWrap> req_wrap {
static_cast<GetAddrInfoReqWrap*>(req->data)};
Environment* env = req_wrap->env();
Expand Down Expand Up @@ -1488,8 +1489,6 @@ void AfterGetAddrInfo(uv_getaddrinfo_t* req, int status, struct addrinfo* res) {
argv[1] = results;
}

uv_freeaddrinfo(res);

TRACE_EVENT_NESTABLE_ASYNC_END2(
TRACING_CATEGORY_NODE2(dns, native), "lookup", req_wrap.get(),
"count", n, "verbatim", verbatim);
Expand Down