Legacy ImageMagick Discussions Archive

If i replace PingBlob by BlobToImage, memory usage increase too.

I forgot, checked with: ImageMagick-6.7.3-7 and 6.6.0-4


And... SOLVED! I, think...


do {
Image* next = img->next;
DestroyImage(img);
img = next;
} while (img != NULL);

I wrote simple code, it's do simple work, call PingBlob in infinite loop. I think all resources are freed correctly but i see increasing memory usage. Checked on two machines. Maybe i doing something wrong - problem apears only with animated gifs.

Compilation:

gcc -Wall -Wextra -O2 -g -I /usr ...

If i read "error.gif", with "disk" limit 512MiB, GetImagePixelCache() returns NULL too, but whole function MagickReadImageBlob() returns:
425, "CorruptImage `' @ error/gif.c/ReadGIFImage/1331"

I have a similar problem.
In file "magick/cache.c" ~ 4405 line:

cache_info=(CacheInfo *) GetImagePixelCache(image,MagickTrue,exception);
assert(cache_info->signature == MagickSignature);
if (cache_info == (Cache) NULL)
return((PixelPacket *) NULL);

So, application crash, when ...