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sea: fix memory leak detected by asan #47309

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merged 2 commits into from Apr 3, 2023
Merged

sea: fix memory leak detected by asan #47309

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e1cf8bd
sea: fix memory leak detected by asan
RaisinTen Mar 30, 2023
d12133c
sea: refactor code to be easier to read
RaisinTen Mar 30, 2023
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21 changes: 8 additions & 13 deletions src/node_sea.cc
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Expand Up @@ -17,6 +17,7 @@
#include <memory>
#include <string_view>
#include <tuple>
#include <vector>

#if !defined(DISABLE_SINGLE_EXECUTABLE_APPLICATION)

Expand Down Expand Up @@ -60,19 +61,13 @@ std::tuple<int, char**> FixupArgsForSEA(int argc, char** argv) {
// Repeats argv[0] at position 1 on argv as a replacement for the missing
// entry point file path.
if (IsSingleExecutable()) {
char** new_argv = new char*[argc + 2];
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int new_argc = 0;
new_argv[new_argc++] = argv[0];
new_argv[new_argc++] = argv[0];

for (int i = 1; i < argc; ++i) {
new_argv[new_argc++] = argv[i];
}

new_argv[new_argc] = nullptr;

argc = new_argc;
argv = new_argv;
static std::vector<char*> new_argv;
new_argv.reserve(argc + 2);
new_argv.emplace_back(argv[0]);
new_argv.insert(new_argv.end(), argv, argv + argc);
new_argv.emplace_back(nullptr);
argc = new_argv.size() - 1;
argv = new_argv.data();
}

return {argc, argv};
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5 changes: 0 additions & 5 deletions test/parallel/test-single-executable-application.js
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Expand Up @@ -16,11 +16,6 @@ if (!process.config.variables.single_executable_application)
if (!['darwin', 'win32', 'linux'].includes(process.platform))
common.skip(`Unsupported platform ${process.platform}.`);

if (process.platform === 'linux' && process.config.variables.asan) {
// Source of the memory leak - https://github.com/nodejs/node/blob/da0bc6db98cef98686122ea1e2cd2dbd2f52d123/src/node_sea.cc#L94.
common.skip('Running the resultant binary fails because of a memory leak ASAN error.');
}

if (process.platform === 'linux' && process.config.variables.is_debug === 1)
common.skip('Running the resultant binary fails with `Couldn\'t read target executable"`.');

Expand Down