[clang] [clang] Ensure pointers passed to runtime support functions are correctly signed (PR #98276)
Anton Korobeynikov via cfe-commits
cfe-commits at lists.llvm.org
Wed Jul 10 22:44:19 PDT 2024
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@@ -333,7 +338,8 @@ void CodeGenFunction::registerGlobalDtorWithLLVM(const VarDecl &VD,
llvm::FunctionCallee Dtor,
llvm::Constant *Addr) {
// Create a function which calls the destructor.
- llvm::Function *dtorStub = createAtExitStub(VD, Dtor, Addr);
+ llvm::Function *dtorStub =
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asl wrote:
So, `createAtExitStub` might return ptrauth constant expression. And the `cast<Function>` here does not fail simply because we do not sign these pointers (yet)?
https://github.com/llvm/llvm-project/pull/98276
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