From 71458d747a1918f52843a137ff988589fd8b54dc Mon Sep 17 00:00:00 2001
From: Nikolay Sivko <n.sivko@gmail.com>
Date: Mon, 5 Jan 2026 10:33:57 -0300
Subject: [PATCH] fix panic in python cmdline parsing

---
 containers/process.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/containers/process.go b/containers/process.go
index 6d79a45..bd91b98 100644
--- a/containers/process.go
+++ b/containers/process.go
@@ -110,7 +110,11 @@ func (p *Process) instrumentPython(cmdline []byte, tracer *ebpftracer.Tracer) {
 	if len(cmd) == 0 {
 		return
 	}
-	cmd = bytes.TrimSuffix(bytes.Fields(cmd)[0], []byte{':'})
+	cmdFields := bytes.Fields(cmd)
+	if len(cmdFields) == 0 {
+		return
+	}
+	cmd = bytes.TrimSuffix(cmdFields[0], []byte{':'})
 	if !pythonCmd.Match(cmd) {
 		return
 	}