llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang-analysis Author: Congcong Cai (HerrCai0907) <details> <summary>Changes</summary> I cannot minial produce it, but when I run clangd with `misc-const-correctness` check in a big project clangd crashed due to deref nullptr here. There are suspicious code in clang which may pass a nullptr to `InitExprs` --- Full diff: https://github.com/llvm/llvm-project/pull/122915.diff 1 Files Affected: - (modified) clang/lib/Analysis/ExprMutationAnalyzer.cpp (+2) ``````````diff diff --git a/clang/lib/Analysis/ExprMutationAnalyzer.cpp b/clang/lib/Analysis/ExprMutationAnalyzer.cpp index 53b838e9ede4d7..cefe64409c9776 100644 --- a/clang/lib/Analysis/ExprMutationAnalyzer.cpp +++ b/clang/lib/Analysis/ExprMutationAnalyzer.cpp @@ -104,6 +104,8 @@ AST_MATCHER_P(Stmt, canResolveToExpr, const Stmt *, Inner) { AST_MATCHER_P(InitListExpr, hasAnyInit, ast_matchers::internal::Matcher<Expr>, InnerMatcher) { for (const Expr *Arg : Node.inits()) { + if (Arg == nullptr) + continue; ast_matchers::internal::BoundNodesTreeBuilder Result(*Builder); if (InnerMatcher.matches(*Arg, Finder, &Result)) { *Builder = std::move(Result); `````````` </details> https://github.com/llvm/llvm-project/pull/122915 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits