Author: Vitaly Buka Date: 2024-08-30T13:53:29-07:00 New Revision: 4370dd4bb5d3527e8ae5348b3c71d335d2feeb4f
URL: https://github.com/llvm/llvm-project/commit/4370dd4bb5d3527e8ae5348b3c71d335d2feeb4f DIFF: https://github.com/llvm/llvm-project/commit/4370dd4bb5d3527e8ae5348b3c71d335d2feeb4f.diff LOG: Fix use after free Added: Modified: llvm/lib/CodeGen/AtomicExpandPass.cpp Removed: ################################################################################ diff --git a/llvm/lib/CodeGen/AtomicExpandPass.cpp b/llvm/lib/CodeGen/AtomicExpandPass.cpp index b9732e816ea7e6..d9843554860d63 100644 --- a/llvm/lib/CodeGen/AtomicExpandPass.cpp +++ b/llvm/lib/CodeGen/AtomicExpandPass.cpp @@ -368,7 +368,7 @@ bool AtomicExpandImpl::run(Function &F, const TargetMachine *TM) { // Detect control flow change and resume iteration from the original // block to inspect any newly inserted blocks. This allows incremental // legalizaton of atomicrmw and cmpxchg. - if (BB != Next->getParent()) { + if (Next == E || BB != Next->getParent()) { BBI = BB->getIterator(); BBE = F.end(); break; _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
