From c9a419e44bb65581384f6a2e40a5ecf2bf5d883d Mon Sep 17 00:00:00 2001
From: Stoyan Shopov <stoyan.shopov@gmail.com>
Date: Thu, 3 Dec 2020 21:03:57 +0200
Subject: [PATCH] Correct loss of sync protocol error #787

---
 src/gdb_packet.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gdb_packet.c b/src/gdb_packet.c
index f6e79463..6f31e138 100644
--- a/src/gdb_packet.c
+++ b/src/gdb_packet.c
@@ -81,6 +81,12 @@ int gdb_getpacket(char *packet, int size)
 						break;
 					}
 				}
+				/* Reset the packet buffer start character to zero, because function
+				 * 'remotePacketProcess()' above overwrites this buffer, and
+				 * an arbitrary character may have been placed there. If this is a '$'
+				 * character, this will cause this loop to be terminated, which is wrong.
+				 */
+				packet[0] = 0;
 			}
 #endif
 	    } while (packet[0] != '$');