diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2014-05-27 20:14:02 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2014-05-27 20:19:49 +0100 |
| commit | d8360bd74f5b62a27c019c65ed9001cac8bf43ed (patch) | |
| tree | 28c6d4179789d0d73412bbe6c0d437503f3f5604 /src/sna | |
| parent | 93b319cf9a355e8400b864046cdb4cfb56b657a0 (diff) | |
sna: Handle bad picture format/depth mismatches
Scaling the output feed in an invalid picture->format/depth combination
which causes the fallback downsampling function to explode. Whilst this
is a bug in the higher layer, we can handle the error anyway.
References: https://bugs.freedesktop.org/show_bug.cgi?id=79320
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna')
| -rw-r--r-- | src/sna/sna_render.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/sna/sna_render.c b/src/sna/sna_render.c index d3cb6a0f..fd73b090 100644 --- a/src/sna/sna_render.c +++ b/src/sna/sna_render.c @@ -789,6 +789,11 @@ fixup: format = PictureMatchFormat(screen, pixmap->drawable.depth, picture->format); + if (format == NULL) { + DBG(("%s: invalid depth=%d, format=%08x\n", + __FUNCTION__, pixmap->drawable.depth, picture->format)); + goto fixup; + } tmp_dst = CreatePicture(0, &tmp->drawable, format, 0, NULL, serverClient, &error); |