From: Dmitry Shachnev <mitya57@debian.org>
Date: Mon, 24 Mar 2025 12:42:48 +0000 (+0300)
Subject: fix containsTLDEntry crash when there are three or more chunks
X-Git-Tag: archive/raspbian/5.15.15+dfsg-5+rpi1^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=13c3f279d4536f8fc42c40211e3ea48a12a7115c;p=qtbase-opensource-src.git

fix containsTLDEntry crash when there are three or more chunks

Forwarded: no
Bug-Debian: https://bugs.debian.org/1095423
Last-Update: 2025-02-08

tldChunks[N] contains total size of chunks from 0 to N, not just the Nth one.

Gbp-Pq: Name containsTLDEntry.diff
---

diff --git a/src/corelib/io/qtldurl.cpp b/src/corelib/io/qtldurl.cpp
index 7a4ab36c5..085490408 100644
--- a/src/corelib/io/qtldurl.cpp
+++ b/src/corelib/io/qtldurl.cpp
@@ -86,8 +86,8 @@ static bool containsTLDEntry(QStringView entry, TLDMatchType match)
 
     // Find which chunk contains the tldGroupOffset
     while (tldGroupOffset >= tldChunks[chunk]) {
-        chunkIndex -= tldChunks[chunk];
-        offset += tldChunks[chunk];
+        chunkIndex = tldIndices[index] - tldChunks[chunk];
+        offset = tldChunks[chunk];
         chunk++;
 
         // We can not go above the number of chunks we have, since all our