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Avoid integer overflow

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Use g_malloc_n in gdk_cairo_set_source_pixbuf when allocating
a large block of memory, to avoid integer overflow.

Pointed out by Bert Massop in
https://bugzilla.gnome.org/show_bug.cgi?id=703220
This commit is contained in:
Matthias Clasen 2013-06-29 22:06:54 -04:00
parent f0a8d11563
commit 894b1ae76a
1 changed files with 1 additions and 1 deletions
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2
gdk/gdkcairo.c
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@ -213,7 +213,7 @@ gdk_cairo_set_source_pixbuf (cairo_t *cr,
format = CAIRO_FORMAT_ARGB32;
cairo_stride = cairo_format_stride_for_width (format, width);
cairo_pixels = g_malloc (height * cairo_stride);
cairo_pixels = g_malloc_n (height, cairo_stride);
surface = cairo_image_surface_create_for_data ((unsigned char *)cairo_pixels,
format,
width, height, cairo_stride);