[Lldb-commits] [lldb] [lldb] Fix SIGSEGV in `GetPtraceScope()` in `Procfs.cpp` (PR #142224)

[Jacob Lalonde via lldb-commits]

================
@@ -74,7 +74,7 @@ lldb_private::process_linux::GetAvailableLogicalCoreIDs() {
 llvm::Expected<int> lldb_private::process_linux::GetPtraceScope() {
   ErrorOr<std::unique_ptr<MemoryBuffer>> ptrace_scope_file =
       getProcFile("sys/kernel/yama/ptrace_scope");
-  if (!*ptrace_scope_file)
+  if (!ptrace_scope_file)
----------------
Jlalond wrote:

We need to do both, `!ptrace_scope_file || !*ptrace_scope_file`.

The first checks the Error, the second the unique_ptr.

https://github.com/llvm/llvm-project/pull/142224
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