diff options
Diffstat (limited to 'meta/recipes-graphics/cairo/cairo/CVE-2020-35492.patch')
-rw-r--r-- | meta/recipes-graphics/cairo/cairo/CVE-2020-35492.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/meta/recipes-graphics/cairo/cairo/CVE-2020-35492.patch b/meta/recipes-graphics/cairo/cairo/CVE-2020-35492.patch deleted file mode 100644 index fb6ce5cfdf..0000000000 --- a/meta/recipes-graphics/cairo/cairo/CVE-2020-35492.patch +++ /dev/null @@ -1,60 +0,0 @@ -Fix stack buffer overflow. - -CVE: CVE-2020-35492 -Upstream-Status: Backport -Signed-off-by: Ross Burton <ross.burton@arm.com> - -From 03a820b173ed1fdef6ff14b4468f5dbc02ff59be Mon Sep 17 00:00:00 2001 -From: Heiko Lewin <heiko.lewin@worldiety.de> -Date: Tue, 15 Dec 2020 16:48:19 +0100 -Subject: [PATCH] Fix mask usage in image-compositor - ---- - src/cairo-image-compositor.c | 8 ++-- - test/Makefile.sources | 1 + - test/bug-image-compositor.c | 39 ++++++++++++++++++++ - test/reference/bug-image-compositor.ref.png | Bin 0 -> 185 bytes - 4 files changed, 44 insertions(+), 4 deletions(-) - create mode 100644 test/bug-image-compositor.c - create mode 100644 test/reference/bug-image-compositor.ref.png - -diff --git a/src/cairo-image-compositor.c b/src/cairo-image-compositor.c -index 79ad69f68..4f8aaed99 100644 ---- a/src/cairo-image-compositor.c -+++ b/src/cairo-image-compositor.c -@@ -2601,14 +2601,14 @@ _inplace_src_spans (void *abstract_renderer, int y, int h, - unsigned num_spans) - { - cairo_image_span_renderer_t *r = abstract_renderer; -- uint8_t *m; -+ uint8_t *m, *base = (uint8_t*)pixman_image_get_data(r->mask); - int x0; - - if (num_spans == 0) - return CAIRO_STATUS_SUCCESS; - - x0 = spans[0].x; -- m = r->_buf; -+ m = base; - do { - int len = spans[1].x - spans[0].x; - if (len >= r->u.composite.run_length && spans[0].coverage == 0xff) { -@@ -2655,7 +2655,7 @@ _inplace_src_spans (void *abstract_renderer, int y, int h, - spans[0].x, y, - spans[1].x - spans[0].x, h); - -- m = r->_buf; -+ m = base; - x0 = spans[1].x; - } else if (spans[0].coverage == 0x0) { - if (spans[0].x != x0) { -@@ -2684,7 +2684,7 @@ _inplace_src_spans (void *abstract_renderer, int y, int h, - #endif - } - -- m = r->_buf; -+ m = base; - x0 = spans[1].x; - } else { - *m++ = spans[0].coverage; --- |