Merge pull request #419 from xiaoxiaoafeifei/master

Fix Out-of-bounds read in the function modifyRPath
NixOS · Oct 26, 2022 · b751eeb · b751eeb
2 parents ea989ae + 96c8422
commit b751eeb
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/patchelf.cc b/src/patchelf.cc
@@ -1371,6 +1371,7 @@ void ElfFile<ElfFileParamNames>::modifyRPath(RPathOp op,
        string. */
     std::vector<std::string> neededLibs;
     auto dyn = (Elf_Dyn *)(fileContents->data() + rdi(shdrDynamic.sh_offset));
+    checkPointer(fileContents, dyn, sizeof(*dyn));
     Elf_Dyn *dynRPath = nullptr, *dynRunPath = nullptr;
     char * rpath = nullptr;
     for ( ; rdi(dyn->d_tag) != DT_NULL; dyn++) {