curl-library
Re: Issue with http_chunks.c
From: Daniel Stenberg <daniel_at_haxx.se>
Date: Sat, 19 Jul 2014 23:36:07 +0200 (CEST)
Date: Sat, 19 Jul 2014 23:36:07 +0200 (CEST)
On Sat, 19 Jul 2014, Glen A Johnson Jr. wrote:
> This issue was discovered when running with a 64bit compilation.
>
> The assignment of a ssize_t pointer from the parameter list to a size_t
> pointer in the function causes stack corruption when data is assigned to the
> variables location during 64bit execution.
How does that happen? Are you suggesting size_t and ssize_t use different
sizes for you?
> The diff file attached shows one method to correct the issue. A simpler
> method would be to eliminate the variable "wrote" and use "*wrotep +=
> (ssize_t)piece;" at ~line 237.
Can you elaborate on what is needed and why, in plain English? Also, what can
we do to repeat the problem you saw with this?
-- / daniel.haxx.se ------------------------------------------------------------------- List admin: http://cool.haxx.se/list/listinfo/curl-library Etiquette: http://curl.haxx.se/mail/etiquette.htmlReceived on 2014-07-19