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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> | 2024-08-22 13:01:47 -0500 |
| commit | c2df0cfb7b126b4ccca129cb60b75c33d8005884 (patch) | |
| tree | d8f520e8917d9dcc6097f2726bded656d97da93a /bootstrap/llvm16/macho32.patch | |
| parent | 3090842aeb9dadca2ea666cebb6f563433ef2370 (diff) | |
| download | packages-c2df0cfb7b126b4ccca129cb60b75c33d8005884.tar.gz packages-c2df0cfb7b126b4ccca129cb60b75c33d8005884.tar.bz2 packages-c2df0cfb7b126b4ccca129cb60b75c33d8005884.tar.xz packages-c2df0cfb7b126b4ccca129cb60b75c33d8005884.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) |