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fs.mitm: Fix UAF in every DirEntry processed.

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How on earth did this code ever work?
This commit is contained in:
Michael Scire 2018-07-19 21:17:57 -06:00
parent 3db9ce32fa
commit a46e796f4d
1 changed files with 9 additions and 5 deletions
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12
stratosphere/fs_mitm/source/fsmitm_romfsbuild.cpp
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@ -332,11 +332,7 @@ void RomFSBuildContext::Build(std::vector<RomFSSourceInfo> *out_infos) {
default:
fatalSimple(0xF601);
}
delete cur_file->path;
delete cur_file;
}
this->files.clear();
/* Populate dir tables. */
for (const auto &it : this->directories) {
@ -362,6 +358,14 @@ void RomFSBuildContext::Build(std::vector<RomFSSourceInfo> *out_infos) {
this->root = NULL;
this->directories.clear();
/* Delete files. */
for (const auto &it : this->files) {
cur_file = it.second;
delete cur_file->path;
delete cur_file;
}
this->files.clear();
/* Set header fields. */
header->header_size = sizeof(*header);
header->file_hash_table_size = this->file_hash_table_size;