From 02889ad214ab6d95ee1c5b68e8a405caae9aceb6 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 22 Sep 2019 21:58:12 +0000
Subject: mgdb: winnt_process_record(): verify that pid is valid.

---
 overlay/mgdb/gdb/winnt-nat.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/overlay/mgdb/gdb/winnt-nat.c b/overlay/mgdb/gdb/winnt-nat.c
index 3637c4e..80641c2 100644
--- a/overlay/mgdb/gdb/winnt-nat.c
+++ b/overlay/mgdb/gdb/winnt-nat.c
@@ -155,6 +155,9 @@ static struct winnt_process * winnt_process_record(pid_t pid)
 	winnt_process * pdbg;
 	winnt_process * pcap;
 
+	if (!pid)
+		return 0;
+
 	for (pdbg=plist, pcap=&plist[pcnt]; pdbg<pcap; pdbg++)
 		if (pdbg->pid == pid)
 			return pdbg;
-- 
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