From 96607ce874405128390e9f268bc5d98fe34a1fbc Mon Sep 17 00:00:00 2001
From: Vladimir Golovnev <glassez@yandex.ru>
Date: Fri, 12 Jul 2024 08:49:45 +0300
Subject: [PATCH] Prevent  incorrect size from being used for creating array

PR #21050.
---
 src/base/bittorrent/torrentimpl.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/base/bittorrent/torrentimpl.cpp b/src/base/bittorrent/torrentimpl.cpp
index 95fcccf94a4..b29f8f06e75 100644
--- a/src/base/bittorrent/torrentimpl.cpp
+++ b/src/base/bittorrent/torrentimpl.cpp
@@ -1466,11 +1466,13 @@ QBitArray TorrentImpl::pieces() const
 
 QBitArray TorrentImpl::downloadingPieces() const
 {
-    QBitArray result(piecesCount());
+    if (!hasMetadata())
+        return {};
 
     std::vector<lt::partial_piece_info> queue;
     m_nativeHandle.get_download_queue(queue);
 
+    QBitArray result {piecesCount()};
     for (const lt::partial_piece_info &info : queue)
         result.setBit(LT::toUnderlyingType(info.piece_index));