[ncl-talk] Buffer overflow in ymake-filter

[Rick Brownrigg]

Hi Michael,

Thanks very much for this patch, I will integrate it and it should be
available in the next release. I trust you've fixed up your version, and
are OK for now?

Thanks again,
Rick


On Wed, Sep 13, 2017 at 7:05 AM, Michael Kuhn <
michael.kuhn at informatik.uni-hamburg.de> wrote:

> Hi,
>
> since updating to GCC 7, I noticed some sporadic errors when compiling
> ncl. The problem comes from a buffer overflow in ymake-filter: The line
> buffer is currently hardcoded to be 2048 bytes large but some Makefiles
> contain lines longer than that. This caused the Makefiles to sometimes
> not be generated, consequently failing parts of the build.
>
> The attached patch replaces the static buffer with a dynamic one. It
> starts out at 2048 bytes and grows by 1024 bytes at a time if required.
>
>
> Best regards,
> Michael
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