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Re: libcurl leaks information in freed memory

From: Dennis Clarke via curl-library <>
Date: Fri, 19 Oct 2018 10:49:14 -0400

On 10/19/2018 10:15 AM, Daniel Stenberg via curl-library wrote:
> On Fri, 19 Oct 2018, Gabriel Zachmann wrote:
>>> memory before the pointer it returns.
>> I attached some code that should be capable of doing so.
> If clearing the memory just before free is all that's necessary, I
> suppose an alternative option is to link in a malloc replacement that
> does exactly this.

Please no.

There must be a way to fire off a thread to clear the memory and then
free it and maybe call it clear_free() or some trivial but blunt trauma
approach which works without a malloc/calloc replacement.

Received on 2018-10-19