[squeak-dev] Fwd: DeflateStream can't handle input that exceeds the maximum number of non-compressible blocks

David T. Lewis lewis at mail.msen.com
Wed Jan 17 12:14:00 UTC 2018

On Wed, Jan 17, 2018 at 07:07:53AM +0100, Max Leske wrote:
> Hi guys,
> Summary: The Deflate code can't handle more than (2^16) - 1
> non-compressible blocks but it's possible to exceed this maximum with the
> right data. In addition, when this happens and the plugin is used (GZip /
> Zip) it will crash the VM.
> Please take a look at the issues I've opened for the Deflate plugin (
> https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/193) and the
> Deflate image code (
> https://pharo.fogbugz.com/f/cases/20973/DeflateStream-can-t-handle-input-that-exceeds-the-maximum-number-of-non-compressible-blocks).
> I expect that this also concerns Squeak.

Thanks Max,

I'm sure that this does affect Squeak also.


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