diff options
Diffstat (limited to 'libre/sdl/SDL-1.2.15-Reject-2-3-5-6-7-bpp-BMP-images.patch')
| -rw-r--r-- | libre/sdl/SDL-1.2.15-Reject-2-3-5-6-7-bpp-BMP-images.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libre/sdl/SDL-1.2.15-Reject-2-3-5-6-7-bpp-BMP-images.patch b/libre/sdl/SDL-1.2.15-Reject-2-3-5-6-7-bpp-BMP-images.patch new file mode 100644 index 000000000..a590606f0 --- /dev/null +++ b/libre/sdl/SDL-1.2.15-Reject-2-3-5-6-7-bpp-BMP-images.patch @@ -0,0 +1,42 @@ +From 70c3d0e97755e1b208ceba2ae012877797f15627 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com> +Date: Thu, 21 Feb 2019 10:57:41 +0100 +Subject: [PATCH] Reject 2, 3, 5, 6, 7-bpp BMP images +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +BMP decoder assumes less than 8 bit depth images have 1 or 4 bits +per pixel. No other depths are correctly translated to an 8bpp +surface. + +This patch rejects loading these images. + +https://bugzilla.libsdl.org/show_bug.cgi?id=4498 +Signed-off-by: Petr Písař <ppisar@redhat.com> +--- + src/video/SDL_bmp.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/src/video/SDL_bmp.c b/src/video/SDL_bmp.c +index 8eadc5f..758d4bb 100644 +--- a/src/video/SDL_bmp.c ++++ b/src/video/SDL_bmp.c +@@ -163,6 +163,14 @@ SDL_Surface * SDL_LoadBMP_RW (SDL_RWops *src, int freesrc) + ExpandBMP = biBitCount; + biBitCount = 8; + break; ++ case 2: ++ case 3: ++ case 5: ++ case 6: ++ case 7: ++ SDL_SetError("%d-bpp BMP images are not supported", biBitCount); ++ was_error = SDL_TRUE; ++ goto done; + default: + ExpandBMP = 0; + break; +-- +2.20.1 + |