[compiler-rt] [sanitizer] print both class id and corresponding size when region is exhausted (PR #116186)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Enna1 (Enna1)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/116186.diff


1 Files Affected:

- (modified) compiler-rt/lib/sanitizer_common/sanitizer_allocator_primary64.h (+7-5) 


``````````diff
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_allocator_primary64.h b/compiler-rt/lib/sanitizer_common/sanitizer_allocator_primary64.h
index 0b0bdb07041e5b..425bfd7276d02e 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_allocator_primary64.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_allocator_primary64.h
@@ -185,9 +185,10 @@ class SizeClassAllocator64 {
     // recoverable.
     if (UNLIKELY(!EnsureFreeArraySpace(region, region_beg,
                                        new_num_freed_chunks))) {
-      Report("FATAL: Internal error: %s's allocator exhausted the free list "
-             "space for size class %zd (%zd bytes).\n", SanitizerToolName,
-             class_id, ClassIdToSize(class_id));
+      Report(
+          "FATAL: Internal error: %s's allocator exhausted the free list "
+          "space for size class %zu (%zu bytes).\n",
+          SanitizerToolName, class_id, ClassIdToSize(class_id));
       Die();
     }
     for (uptr i = 0; i < n_chunks; i++)
@@ -763,8 +764,9 @@ class SizeClassAllocator64 {
     if (!region->exhausted) {
       region->exhausted = true;
       Printf("%s: Out of memory. ", SanitizerToolName);
-      Printf("The process has exhausted %zuMB for size class %zu.\n",
-             kRegionSize >> 20, ClassIdToSize(class_id));
+      Printf(
+          "The process has exhausted %zuMB for size class %zu (%zu bytes).\n",
+          kRegionSize >> 20, class_id, ClassIdToSize(class_id));
     }
     return true;
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/116186