Module: wine Branch: master Commit: 07fd82cdbddc03da2095882fa4fdaf7928c90fbc URL: https://source.winehq.org/git/wine.git/?a=commit;h=07fd82cdbddc03da2095882fa... Author: Esme Povirk <esme(a)codeweavers.com> Date: Sat Dec 11 14:04:27 2021 -0600 dwrite: Fix possible use of uninitialized memory. If the text source returns fewer than length character, part of the buffer will be uninitialized. Signed-off-by: Esme Povirk <esme(a)codeweavers.com> Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/dwrite/analyzer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dlls/dwrite/analyzer.c b/dlls/dwrite/analyzer.c index 8ecfad5f3a5..92a02f8d3aa 100644 --- a/dlls/dwrite/analyzer.c +++ b/dlls/dwrite/analyzer.c @@ -865,7 +865,7 @@ static HRESULT get_text_source_ptr(IDWriteTextAnalysisSource *source, UINT32 pos if (len < length) { UINT32 read; - *buff = malloc(length * sizeof(WCHAR)); + *buff = calloc(length, sizeof(WCHAR)); if (!*buff) return E_OUTOFMEMORY; if (*text)