diff options
| author | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2024-07-06 20:37:32 -0500 |
|---|---|---|
| committer | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2024-08-07 10:08:22 -0500 |
| commit | e2ec142d7bfd9f2465c62900a03e3accf4adf572 (patch) | |
| tree | e1f4499d59088adf1da20797fb9f260c2e87bf05 /user/llvm18/macho32.patch | |
| parent | c5c08854322efc2aea8f8bcf51a544976fd86a12 (diff) | |
| download | packages-e2ec142d7bfd9f2465c62900a03e3accf4adf572.tar.gz packages-e2ec142d7bfd9f2465c62900a03e3accf4adf572.tar.bz2 packages-e2ec142d7bfd9f2465c62900a03e3accf4adf572.tar.xz packages-e2ec142d7bfd9f2465c62900a03e3accf4adf572.zip | |
user/llvm18: New package
Diffstat (limited to 'user/llvm18/macho32.patch')
| -rw-r--r-- | user/llvm18/macho32.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/user/llvm18/macho32.patch b/user/llvm18/macho32.patch new file mode 100644 index 000000000..e18098372 --- /dev/null +++ b/user/llvm18/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 +@@ -192,7 +192,8 @@ + 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) |