From a7f42e484ef1a1ff74936bcedc87347208779c91 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 21 Jul 2018 09:11:58 -0400
Subject: [PATCH] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9470
---
coders/wpg.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/coders/wpg.c b/coders/wpg.c
index de7dbd839..62b761ed6 100644
--- a/coders/wpg.c
+++ b/coders/wpg.c
@@ -794,18 +794,21 @@ static Image *ExtractPostscript(Image *image,const ImageInfo *image_info,
/* Copy postscript to temporary file */
if (SeekBlob(image,PS_Offset,SEEK_SET) != PS_Offset)
{
+ (void) fclose(ps_file);
DestroyImageInfo(clone_info);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
count=ReadBlob(image, 2*MagickPathExtent, magick);
if (count < 1)
{
+ (void) fclose(ps_file);
DestroyImageInfo(clone_info);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
if (SeekBlob(image,PS_Offset,SEEK_SET) != PS_Offset)
{
+ (void) fclose(ps_file);
DestroyImageInfo(clone_info);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
}
@@ -813,7 +816,11 @@ static Image *ExtractPostscript(Image *image,const ImageInfo *image_info,
{
c=ReadBlobByte(image);
if (c == EOF)
- break;
+ {
+ (void) fclose(ps_file);
+ DestroyImageInfo(clone_info);
+ ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+ }
(void) fputc(c,ps_file);
}
(void) fclose(ps_file);
--
2.40.0