Commit ce5de93e authored by Fangrui Song's avatar Fangrui Song
Browse files

[ELF] Disallow out-of-range section group indices after D70146 

Exposed by invalid/sht-group-wrong-section.test
http://45.33.8.238/win/2613/step_9.txt
parent 1d943ae4

lld/ELF/InputFiles.cpp

+2 −0
Original line number Diff line number Diff line
@@ -621,6 +621,8 @@ void ObjFile<ELFT>::initializeSections(bool ignoreComdats) { 
    InputSectionBase *head;

    InputSectionBase *prev = nullptr;

    for (uint32_t secIndex : entries.slice(1)) {

      if (secIndex >= this->sections.size())

        continue;

      InputSectionBase *s = this->sections[secIndex];

      if (!s || s == &InputSection::discarded)

        continue;