curl / Mailing Lists / curl-library / Single Mail
Buy commercial curl support from WolfSSL. We help you work out your issues, debug your libcurl applications, use the API, port to new platforms, add new features and more. With a team lead by the curl founder himself.

Re: libcurl with custom malloc and SSL

From: Ville Likitalo via curl-library <>
Date: Thu, 27 May 2021 09:50:03 +0300

On Tue, May 25, 2021 at 11:35:19AM +0200, Daniel Stenberg wrote:
> On Tue, 25 May 2021, Ville Likitalo via curl-library wrote:
> > The only interesting bit in the stack trace is that the pointer
> > which gets passed to libc free(void*) is one that has been
> > allocated with the private malloc libcurl has been set up with.
> >
> > Now, I could not quickly find any existing open or closed bug
> > that would describe this but would this already be fixed in the
> > later versions?
> Without debug symbols nor any way to reproduce this problem, I don't think
> we can tell for sure what the problem is or if it has been fixed already.


        I invested some time into building a test application for easier
        debugging with all debug symbols. And managed to prove that the
        code works, but reproduced the issue a bit later by a chance and
        it was a build/linking related one instead.

        - Ville Likitalo
	"Nothing lasts forever but the certainty of change."
	[][+358-50-386 6269]
Received on 2021-05-27