diff options
Diffstat (limited to 'gnu/packages/patches/cairo-CVE-2016-9082.patch')
| -rw-r--r-- | gnu/packages/patches/cairo-CVE-2016-9082.patch | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/gnu/packages/patches/cairo-CVE-2016-9082.patch b/gnu/packages/patches/cairo-CVE-2016-9082.patch deleted file mode 100644 index ad83404194..0000000000 --- a/gnu/packages/patches/cairo-CVE-2016-9082.patch +++ /dev/null @@ -1,122 +0,0 @@ -From: Adrian Johnson <ajohnson@redneon.com> -Date: Thu, 20 Oct 2016 21:12:30 +1030 -Subject: [PATCH] image: prevent invalid ptr access for > 4GB images - -Image data is often accessed using: - - image->data + y * image->stride - -On 64-bit achitectures if the image data is > 4GB, this computation -will overflow since both y and stride are 32-bit types. - -bug report: https://bugs.freedesktop.org/show_bug.cgi?id=98165 -patch: https://bugs.freedesktop.org/attachment.cgi?id=127421 ---- - boilerplate/cairo-boilerplate.c | 4 +++- - src/cairo-image-compositor.c | 4 ++-- - src/cairo-image-surface-private.h | 2 +- - src/cairo-mesh-pattern-rasterizer.c | 2 +- - src/cairo-png.c | 2 +- - src/cairo-script-surface.c | 3 ++- - 6 files changed, 10 insertions(+), 7 deletions(-) - -diff --git a/boilerplate/cairo-boilerplate.c b/boilerplate/cairo-boilerplate.c -index 7fdbf79..4804dea 100644 ---- a/boilerplate/cairo-boilerplate.c -+++ b/boilerplate/cairo-boilerplate.c -@@ -42,6 +42,7 @@ - #undef CAIRO_VERSION_H - #include "../cairo-version.h" - -+#include <stddef.h> - #include <stdlib.h> - #include <ctype.h> - #include <assert.h> -@@ -976,7 +977,8 @@ cairo_surface_t * - cairo_boilerplate_image_surface_create_from_ppm_stream (FILE *file) - { - char format; -- int width, height, stride; -+ int width, height; -+ ptrdiff_t stride; - int x, y; - unsigned char *data; - cairo_surface_t *image = NULL; -diff --git a/src/cairo-image-compositor.c b/src/cairo-image-compositor.c -index 48072f8..3ca0006 100644 ---- a/src/cairo-image-compositor.c -+++ b/src/cairo-image-compositor.c -@@ -1575,7 +1575,7 @@ typedef struct _cairo_image_span_renderer { - pixman_image_t *src, *mask; - union { - struct fill { -- int stride; -+ ptrdiff_t stride; - uint8_t *data; - uint32_t pixel; - } fill; -@@ -1594,7 +1594,7 @@ typedef struct _cairo_image_span_renderer { - struct finish { - cairo_rectangle_int_t extents; - int src_x, src_y; -- int stride; -+ ptrdiff_t stride; - uint8_t *data; - } mask; - } u; -diff --git a/src/cairo-image-surface-private.h b/src/cairo-image-surface-private.h -index 8ca694c..7e78d61 100644 ---- a/src/cairo-image-surface-private.h -+++ b/src/cairo-image-surface-private.h -@@ -71,7 +71,7 @@ struct _cairo_image_surface { - - int width; - int height; -- int stride; -+ ptrdiff_t stride; - int depth; - - unsigned owns_data : 1; -diff --git a/src/cairo-mesh-pattern-rasterizer.c b/src/cairo-mesh-pattern-rasterizer.c -index 1b63ca8..e7f0db6 100644 ---- a/src/cairo-mesh-pattern-rasterizer.c -+++ b/src/cairo-mesh-pattern-rasterizer.c -@@ -470,7 +470,7 @@ draw_pixel (unsigned char *data, int width, int height, int stride, - tg += tg >> 16; - tb += tb >> 16; - -- *((uint32_t*) (data + y*stride + 4*x)) = ((ta << 16) & 0xff000000) | -+ *((uint32_t*) (data + y*(ptrdiff_t)stride + 4*x)) = ((ta << 16) & 0xff000000) | - ((tr >> 8) & 0xff0000) | ((tg >> 16) & 0xff00) | (tb >> 24); - } - } -diff --git a/src/cairo-png.c b/src/cairo-png.c -index 562b743..aa8c227 100644 ---- a/src/cairo-png.c -+++ b/src/cairo-png.c -@@ -673,7 +673,7 @@ read_png (struct png_read_closure_t *png_closure) - } - - for (i = 0; i < png_height; i++) -- row_pointers[i] = &data[i * stride]; -+ row_pointers[i] = &data[i * (ptrdiff_t)stride]; - - png_read_image (png, row_pointers); - png_read_end (png, info); -diff --git a/src/cairo-script-surface.c b/src/cairo-script-surface.c -index ea0117d..91e4baa 100644 ---- a/src/cairo-script-surface.c -+++ b/src/cairo-script-surface.c -@@ -1202,7 +1202,8 @@ static cairo_status_t - _write_image_surface (cairo_output_stream_t *output, - const cairo_image_surface_t *image) - { -- int stride, row, width; -+ int row, width; -+ ptrdiff_t stride; - uint8_t row_stack[CAIRO_STACK_BUFFER_SIZE]; - uint8_t *rowdata; - uint8_t *data; --- -2.1.4 - |