From 6c45cef7ff27d84330d2034b014716f75d76302e Mon Sep 17 00:00:00 2001
From: Vincent Rabaud <vrabaud@google.com>
Date: Tue, 10 May 2022 10:18:46 +0200
Subject: [PATCH] Make sure the stride has a minimum value in the importer.

Bug: webp:569
Change-Id: Ia48d064dbb10e7179ae3da04ca8d769d1c447276
---
 src/enc/picture_csp_enc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/enc/picture_csp_enc.c b/src/enc/picture_csp_enc.c
index 94afa0d0..0e94d2df 100644
--- a/src/enc/picture_csp_enc.c
+++ b/src/enc/picture_csp_enc.c
@@ -739,6 +739,8 @@ static int Import(WebPPicture* const picture,
   const int width = picture->width;
   const int height = picture->height;
 
+  if (abs(rgb_stride) < (import_alpha ? 4 : 3) * width) return 0;
+
   if (!picture->use_argb) {
     const uint8_t* a_ptr = import_alpha ? rgb + 3 : NULL;
     return ImportYUVAFromRGBA(r_ptr, g_ptr, b_ptr, a_ptr, step, rgb_stride,