[lldb] Cleanup dyld_process_t after constructing SharedCacheInfo

[bulbazord]

Without calling dyld_process_dispose, LLDB will leak the memory associated with the dyld_process_t.

rdar://134738265

[llvmbot]

@llvm/pr-subscribers-lldb

Author: Alex Langford (bulbazord)

Changes

Without calling dyld_process_dispose, LLDB will leak the memory associated with the dyld_process_t.

rdar://134738265

---

Full diff: https://github.com/llvm/llvm-project/pull/106157.diff

1 Files Affected:

• (modified) lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm (+4-1)

diff --git a/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm b/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
index d27bd1b7426e6c..6e924fdc684cfe 100644
--- a/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
+++ b/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
@@ -650,12 +650,15 @@ static bool ResolveAndVerifyCandidateSupportDir(FileSpec &path) {
   if (!dyld_process)
     return false;
 
+  auto cleanup_process_on_exit =
+      llvm::make_scope_exit([&]() { dyld_process_dispose(dyld_process); });
+
   dyld_process_snapshot_t snapshot =
       dyld_process_snapshot_create_for_process(dyld_process, nullptr);
   if (!snapshot)
     return false;
 
-  auto on_exit =
+  auto cleanup_snapshot_on_exit =
       llvm::make_scope_exit([&]() { dyld_process_snapshot_dispose(snapshot); });
 
   dyld_shared_cache_t shared_cache =

[jasonmolenda]

Good catch, LGTM.