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Diffstat (limited to 'extra/qt/fix-buffer-overflow.patch')
| -rw-r--r-- | extra/qt/fix-buffer-overflow.patch | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/extra/qt/fix-buffer-overflow.patch b/extra/qt/fix-buffer-overflow.patch deleted file mode 100644 index f0334f247..000000000 --- a/extra/qt/fix-buffer-overflow.patch +++ /dev/null @@ -1,34 +0,0 @@ -From 827e5c4c689d4ecb4f8c1ab48c9a7ab712fe2ca7 Mon Sep 17 00:00:00 2001 -From: John Tapsell <john.tapsell.ext@basyskom.com> -Date: Mon, 12 Mar 2012 22:07:47 +0000 -Subject: [PATCH] Harfbuzz-thai - fix buffer overflow when setting item - attributes - -Change-Id: I19eeb4ec25a7c6cb3f584e6290169f9f327b8713 -Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com> ---- - src/3rdparty/harfbuzz/src/harfbuzz-thai.c | 9 +++++- - .../qtextscriptengine/tst_qtextscriptengine.cpp | 29 ++++++++++++++++++++ - 2 files changed, 36 insertions(+), 2 deletions(-) - -diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-thai.c b/src/3rdparty/harfbuzz/src/harfbuzz-thai.c -index bf6c35b..3c0ffe8 100644 ---- a/src/3rdparty/harfbuzz/src/harfbuzz-thai.c -+++ b/src/3rdparty/harfbuzz/src/harfbuzz-thai.c -@@ -263,8 +263,13 @@ static HB_Bool HB_ThaiConvertStringToGlyphIndices (HB_ShaperItem *item) - // The only glyphs that should be passed to this function that cannot be mapped to - // tis620 are the ones of type Inherited class. Pass these glyphs untouched. - glyphString[slen++] = string[i]; -- if (string[i] == 0x200D || string[i] == 0x200C) -- item->attributes[slen-1].dontPrint = true; // Hide ZWJ and ZWNJ characters -+ if (string[i] == 0x200D || string[i] == 0x200C) { -+ // Check that we do not run out of bounds when setting item->attributes. If we do -+ // run out of bounds then this function will return false, the necessary amount of -+ // memory is reallocated, and this function will then be called again. -+ if (slen <= item->num_glyphs) -+ item->attributes[slen-1].dontPrint = true; // Hide ZWJ and ZWNJ characters -+ } - } else { - glyphString[slen++] = (HB_UChar16) thai_get_glyph_index (font_type, rglyphs[lgi]); - } - |