From e320de7cd156e19901569e60735280d4f8c658a4 Mon Sep 17 00:00:00 2001
From: Sergei Druzhkov <serzhdruzhok@gmail.com>
Date: Tue, 2 Dec 2025 02:42:25 +0300
Subject: [PATCH] Merge pull request #280263 from
 DrSergei/fix-breakpoint-range-calculation

Fix breakpoint range calculation
---
 src/vs/workbench/contrib/debug/browser/breakpointsView.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/vs/workbench/contrib/debug/browser/breakpointsView.ts b/src/vs/workbench/contrib/debug/browser/breakpointsView.ts
index 781b40d4874..bcb47695ce5 100644
--- a/src/vs/workbench/contrib/debug/browser/breakpointsView.ts
+++ b/src/vs/workbench/contrib/debug/browser/breakpointsView.ts
@@ -1615,7 +1615,10 @@ abstract class MemoryBreakpointAction extends Action2 {
 		const end = BigInt(endStr);
 		const address = `0x${start.toString(16)}`;
 		if (sign === '-') {
-			return { address, bytes: Number(start - end) };
+			if (start > end) {
+				return { error: localize('dataBreakpointAddrOrder', 'End ({1}) should be greater than Start ({0})', startStr, endStr) };
+			}
+			return { address, bytes: Number(end - start) };
 		}
 
 		return { address, bytes: Number(end) };