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fs.mitm: Fix UAF in every DirEntry processed.
How on earth did this code ever work?
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parent
3db9ce32fa
commit
a46e796f4d
1 changed files with 9 additions and 5 deletions
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@ -236,7 +236,7 @@ void RomFSBuildContext::Build(std::vector<RomFSSourceInfo> *out_infos) {
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RomFSDirectoryEntry *dir_table = (RomFSDirectoryEntry *)((uintptr_t)dir_hash_table + this->dir_hash_table_size);
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u32 *file_hash_table = (u32 *)((uintptr_t)dir_table + this->dir_table_size);
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RomFSFileEntry *file_table = (RomFSFileEntry *)((uintptr_t)file_hash_table + this->file_hash_table_size);
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/* Clear out hash tables. */
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for (u32 i = 0; i < dir_hash_table_entry_count; i++) {
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dir_hash_table[i] = ROMFS_ENTRY_EMPTY;
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@ -332,11 +332,7 @@ void RomFSBuildContext::Build(std::vector<RomFSSourceInfo> *out_infos) {
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default:
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fatalSimple(0xF601);
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}
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delete cur_file->path;
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delete cur_file;
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}
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this->files.clear();
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/* Populate dir tables. */
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for (const auto &it : this->directories) {
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@ -362,6 +358,14 @@ void RomFSBuildContext::Build(std::vector<RomFSSourceInfo> *out_infos) {
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this->root = NULL;
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this->directories.clear();
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/* Delete files. */
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for (const auto &it : this->files) {
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cur_file = it.second;
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delete cur_file->path;
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delete cur_file;
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}
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this->files.clear();
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/* Set header fields. */
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header->header_size = sizeof(*header);
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header->file_hash_table_size = this->file_hash_table_size;
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