From 86cadfd43e5eddfea3c145074f8065d7f82df0bd Mon Sep 17 00:00:00 2001
From: andreby <andreby@users.noreply.github.com>
Date: Wed, 28 Aug 2024 06:31:27 +0200
Subject: [PATCH] fix: handle the case where parent PID is 0

This happens inside an LXD VM.

Closes #7082
---
 debian/prerm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debian/prerm b/debian/prerm
index 33ec447df..577ef29d0 100755
--- a/debian/prerm
+++ b/debian/prerm
@@ -20,7 +20,7 @@ ps_backtrace() {
     fi
     ppid=$(ps -o ppid= $pid)
     ps uww $header_modifier -p $pid
-    if [ $pid -eq 1 ]; then
+    if [ $pid -eq 1 -o $pid -eq 0 ]; then
       break
     fi
     pid=$ppid