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| author | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2024-07-30 09:27:38 -0500 |
|---|---|---|
| committer | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2024-10-17 00:58:44 -0500 |
| commit | 595bc02f3080bbf44fa78068e5b56e13821ab6a6 (patch) | |
| tree | f935d24387678ff6c85255cf48ac8a0270c272e9 /bootstrap/llvm16/macho32.patch | |
| parent | 0f5207bac6c6280ecf6d9910ddfb04f35cec6244 (diff) | |
| download | packages-595bc02f3080bbf44fa78068e5b56e13821ab6a6.tar.gz packages-595bc02f3080bbf44fa78068e5b56e13821ab6a6.tar.bz2 packages-595bc02f3080bbf44fa78068e5b56e13821ab6a6.tar.xz packages-595bc02f3080bbf44fa78068e5b56e13821ab6a6.zip | |
bootstrap/llvm16: New package
Diffstat (limited to 'bootstrap/llvm16/macho32.patch')
| -rw-r--r-- | bootstrap/llvm16/macho32.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/bootstrap/llvm16/macho32.patch b/bootstrap/llvm16/macho32.patch new file mode 100644 index 000000000..31279d502 --- /dev/null +++ b/bootstrap/llvm16/macho32.patch @@ -0,0 +1,17 @@ +Use integer offset math instead of pointer math to determine load +command bounds. + +Upstream-URL: https://github.com/llvm/llvm-project/issues/56746 + +--- llvm-14.0.6.src/lib/Object/MachOObjectFile.cpp.old 2022-06-22 16:46:24.000000000 +0000 ++++ llvm-14.0.6.src/lib/Object/MachOObjectFile.cpp 2022-11-28 04:21:02.730211841 +0000 +@@ -190,7 +190,8 @@ + getLoadCommandInfo(const MachOObjectFile &Obj, const char *Ptr, + uint32_t LoadCommandIndex) { + if (auto CmdOrErr = getStructOrErr<MachO::load_command>(Obj, Ptr)) { +- if (CmdOrErr->cmdsize + Ptr > Obj.getData().end()) ++ uint64_t Offset = Ptr - Obj.getData().begin(); ++ if (CmdOrErr->cmdsize + Offset > Obj.getData().size()) + return malformedError("load command " + Twine(LoadCommandIndex) + + " extends past end of file"); + if (CmdOrErr->cmdsize < 8) |