llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: Miro Bucko (mbucko)

<details>
<summary>Changes</summary>

Summary:
AddMemoryList() was returning the last error status returned by ReadMemory(). 
So if an invalid memory region was read last, the function would return an 
error.

Test Plan:
./bin/llvm-lit -sv 
~/src/llvm-project/lldb/test/API/functionalities/process_save_core_minidump/TestProcessSaveCoreMinidump.py

Reviewers:
kevinfrei,clayborg 

Subscribers:

Tasks:

Tags:

---
Full diff: https://github.com/llvm/llvm-project/pull/88564.diff


1 Files Affected:

- (modified) lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp 
(+3-2) 


``````````diff
diff --git a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp 
b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
index 50d1b563f469cf..a45521d3429912 100644
--- a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
+++ b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
@@ -655,9 +655,10 @@ MinidumpFileBuilder::AddMemoryList(const lldb::ProcessSP 
&process_sp,
     const addr_t addr = core_range.range.start();
     const addr_t size = core_range.range.size();
     auto data_up = std::make_unique<DataBufferHeap>(size, 0);
+    Status read_error;
     const size_t bytes_read =
-        process_sp->ReadMemory(addr, data_up->GetBytes(), size, error);
-    if (bytes_read == 0)
+        process_sp->ReadMemory(addr, data_up->GetBytes(), size, read_error);
+    if (read_error.Fail() || bytes_read == 0)
       continue;
     // We have a good memory region with valid bytes to store.
     LocationDescriptor memory_dump;

``````````

</details>


https://github.com/llvm/llvm-project/pull/88564
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