From 60cb93d03a9fec83087f803fab877293f1ca12fd Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 3 Mar 2018 09:51:00 -0500
Subject: [PATCH] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6687

---
 coders/viff.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/coders/viff.c b/coders/viff.c
index 93854fad7..1666df069 100644
--- a/coders/viff.c
+++ b/coders/viff.c
@@ -519,6 +519,8 @@ static Image *ReadVIFFImage(const ImageInfo *image_info,
       number_pixels,max_packets),bytes_per_pixel*sizeof(*pixels));
     if (pixels == (unsigned char *) NULL)
       ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+    (void) ResetMagickMemory(pixels,0,MagickMax(number_pixels,max_packets)*
+      bytes_per_pixel*sizeof(*pixels));
     count=ReadBlob(image,bytes_per_pixel*max_packets,pixels);
     lsb_first=1;
     if (*(char *) &lsb_first &&
-- 
2.40.0