diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
--- a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -3379,23 +3379,20 @@
 
   if (state != eStateInvalid && state != eStateUnloaded &&
       state != eStateExited && state != eStateDetached) {
-    char error_str[1024];
-    if (signo) {
-      const char *signal_cstr =
+    StreamString stream;
+    if (signo == 0)
+      stream.Format(DEBUGSERVER_BASENAME " died with an exit status of {0:x8}",
+                    exit_status);
+    else {
+      const char *signal_name =
           process_sp->GetUnixSignals()->GetSignalAsCString(signo);
-      if (signal_cstr)
-        ::snprintf(error_str, sizeof(error_str),
-                   DEBUGSERVER_BASENAME " died with signal %s", signal_cstr);
+      const char *format_str = DEBUGSERVER_BASENAME " died with signal {0}";
+      if (signal_name)
+        stream.Format(format_str, signal_name);
       else
-        ::snprintf(error_str, sizeof(error_str),
-                   DEBUGSERVER_BASENAME " died with signal %i", signo);
-    } else {
-      ::snprintf(error_str, sizeof(error_str),
-                 DEBUGSERVER_BASENAME " died with an exit status of 0x%8.8x",
-                 exit_status);
+        stream.Format(format_str, signo);
     }
-
-    process_sp->SetExitStatus(-1, error_str);
+    process_sp->SetExitStatus(-1, stream.GetString());
   }
   // Debugserver has exited we need to let our ProcessGDBRemote know that it no
   // longer has a debugserver instance