From 62756cab77f90b4276d4668320a14fc63b004d1f Mon Sep 17 00:00:00 2001
From: Giulio Eulisse <10544+ktf@users.noreply.github.com>
Date: Wed, 26 Nov 2025 16:15:20 +0100
Subject: [PATCH] DPL: add protection against fork bomb

---
 Framework/Core/src/runDataProcessing.cxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Framework/Core/src/runDataProcessing.cxx b/Framework/Core/src/runDataProcessing.cxx
index f5992f6dbf359..c36b1deadeefb 100644
--- a/Framework/Core/src/runDataProcessing.cxx
+++ b/Framework/Core/src/runDataProcessing.cxx
@@ -748,7 +748,11 @@ void spawnDevice(uv_loop_t* loop,
     for (auto& env : execution.environ) {
       putenv(strdup(DeviceSpecHelpers::reworkTimeslicePlaceholder(env, spec).data()));
     }
-    execvp(execution.args[0], execution.args.data());
+    int err = execvp(execution.args[0], execution.args.data());
+    if (err) {
+      perror("Unable to start child process");
+      exit(1);
+    }
   } else {
     O2_SIGNPOST_ID_GENERATE(sid, driver);
     O2_SIGNPOST_EVENT_EMIT(driver, sid, "spawnDevice", "New child at %{pid}d", id);