[Objective-C] Fix horrid bounds checking from previous fix

Fixes 912465b5cf1d0442443d9584e15111361f27751c regression that broke cfstring parsing

1 files changed, 3 insertions, 3 deletions

diff --git a/objectivec/objc.cpp b/objectivec/objc.cpp
index 1b53a366..72f07c9c 100644
--- a/objectivec/objc.cpp
+++ b/objectivec/objc.cpp
@@ -1693,9 +1693,9 @@ void ObjCProcessor::ProcessCFStrings()
 		{
 			reader->Seek(i + ptrSize);
 			uint64_t flags = reader->ReadPointer();
-			auto strLoc = ReadPointerAccountingForRelocations(reader.get());
-			auto size = reader->ReadPointer();
-			if (size > cfstrings->GetEnd() || reader->GetOffset() > cfstrings->GetEnd() - size)
+			const auto strLoc = ReadPointerAccountingForRelocations(reader.get());
+			const auto size = reader->ReadPointer();
+			if (!m_data->IsValidOffset(strLoc + size))
 			{
 				m_logger->LogWarn("CFString at 0x%llx has invalid size 0x%llx, skipping...", i, size);
 				continue;