[PATCH] D121336: [BOLT][NFC] Check errors from Obj.dynamicEntries

[Amir Ayupov via Phabricator via llvm-commits]

Amir created this revision.
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Addresses fuzzer crash


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121336

Files:
  bolt/lib/Rewrite/RewriteInstance.cpp


Index: bolt/lib/Rewrite/RewriteInstance.cpp
===================================================================
--- bolt/lib/Rewrite/RewriteInstance.cpp
+++ bolt/lib/Rewrite/RewriteInstance.cpp
@@ -5135,8 +5135,10 @@
                              "dynamic section sizes should match");
 
   // Go through all dynamic entries to locate entries of interest.
-  typename ELFT::DynRange DynamicEntries =
-      cantFail(Obj.dynamicEntries(), "error accessing dynamic table");
+  auto DynamicEntriesOrErr = Obj.dynamicEntries();
+  if (!DynamicEntriesOrErr)
+    return DynamicEntriesOrErr.takeError();
+  typename ELFT::DynRange DynamicEntries = DynamicEntriesOrErr.get();
 
   for (const Elf_Dyn &Dyn : DynamicEntries) {
     switch (Dyn.d_tag) {


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