Author: Timm Bäder Date: 2024-05-21T12:32:59+02:00 New Revision: bb3d261f55e72e313fd8ddfefac3b47cfca2f656
URL: https://github.com/llvm/llvm-project/commit/bb3d261f55e72e313fd8ddfefac3b47cfca2f656 DIFF: https://github.com/llvm/llvm-project/commit/bb3d261f55e72e313fd8ddfefac3b47cfca2f656.diff LOG: [clang][Interp] Protect GetPtrField ops from unknown size arrays Added: Modified: clang/lib/AST/Interp/Interp.h clang/test/AST/Interp/arrays.cpp Removed: ################################################################################ diff --git a/clang/lib/AST/Interp/Interp.h b/clang/lib/AST/Interp/Interp.h index d9f23a4b8c965..bc2ca126ce364 100644 --- a/clang/lib/AST/Interp/Interp.h +++ b/clang/lib/AST/Interp/Interp.h @@ -1245,6 +1245,8 @@ inline bool GetPtrField(InterpState &S, CodePtr OpPC, uint32_t Off) { return false; if (!CheckRange(S, OpPC, Ptr, CSK_Field)) return false; + if (!CheckArray(S, OpPC, Ptr)) + return false; if (!CheckSubobject(S, OpPC, Ptr, CSK_Field)) return false; diff --git a/clang/test/AST/Interp/arrays.cpp b/clang/test/AST/Interp/arrays.cpp index 929f25b95fa1f..71b6dabf39e45 100644 --- a/clang/test/AST/Interp/arrays.cpp +++ b/clang/test/AST/Interp/arrays.cpp @@ -595,3 +595,12 @@ int test_multiarray22() { } #endif + +namespace ArrayMemberAccess { + struct A { + int x; + }; + void f(const A (&a)[]) { + bool cond = a->x; + } +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
