[PATCH] D75695: [StackProtector] Catch direct out-of-bounds when checking address-takenness

Eli Friedman via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Mar 5 10:57:49 PST 2020


efriedma added inline comments.


================
Comment at: llvm/lib/CodeGen/StackProtector.cpp:202
+      APInt MaxOffset(TypeSize, DL.getTypeStoreSize(
+                        AI->getType()->getPointerElementType()));
+      if (!GEP->accumulateConstantOffset(DL, Offset) || Offset.uge(MaxOffset))
----------------
I think AllocaInst has a getAllocatedType, or something like that?

Should use getTypeAllocSize, since that's what actually determines the number of bytes allocated.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75695/new/

https://reviews.llvm.org/D75695





More information about the llvm-commits mailing list