submisson_package: Fix edge case with improperly sized filenames

Prevents a crash if the filename is less than 9 characters long.
7 years ago · 0a8e540681
1 changed files with 2 additions and 1 deletions
--- a/src/core/file_sys/submission_package.cpp
+++ b/src/core/file_sys/submission_package.cpp
@ -248,7 +248,8 @@ void NSP::InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files) {

 void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
    for (const auto& outer_file : files) {
-        if (outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") {
+        if (outer_file->GetName().size() < 9 ||
+            outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") {
            continue;
        }