fix panic in instrumentPython (fixes #110)

coroot · Jul 16, 2024 · 69f9db2 · 69f9db2
1 parent d135225
commit 69f9db2
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/containers/process.go b/containers/process.go
@@ -89,7 +89,11 @@ func (p *Process) instrumentPython(tracer *ebpftracer.Tracer) {
 		return
 	}
 	parts := bytes.Split(cmdline, []byte{0})
-	cmd := bytes.TrimSuffix(bytes.Fields(parts[0])[0], []byte{':'})
+	cmd := parts[0]
+	if len(cmd) == 0 {
+		return
+	}
+	cmd = bytes.TrimSuffix(bytes.Fields(cmd)[0], []byte{':'})
 	if !pythonCmd.Match(cmd) {
 		return
 	}