If the logo width is bigger than the framebuffer width, and the height is big enough to hold the logo and the message, it will draw at x coordinate that are higher than the width, and ends up in a corrupted image.
Fixes: 4b570ac2eb54 ("drm/rect: Add drm_rect_overlap()") Signed-off-by: Jocelyn Falempe jfalempe@redhat.com --- drivers/gpu/drm/drm_panic.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c index 1d6312fa1429..23ba791c6131 100644 --- a/drivers/gpu/drm/drm_panic.c +++ b/drivers/gpu/drm/drm_panic.c @@ -429,6 +429,9 @@ static void drm_panic_logo_rect(struct drm_rect *rect, const struct font_desc *f static void drm_panic_logo_draw(struct drm_scanout_buffer *sb, struct drm_rect *rect, const struct font_desc *font, u32 fg_color) { + if (rect->x2 > sb->width || rect->y2 > sb->height) + return; + if (logo_mono) drm_panic_blit(sb, rect, logo_mono->data, DIV_ROUND_UP(drm_rect_width(rect), 8), 1, fg_color);