[webkit-qt] Need suggestion for Memory corruption in dlopen(platform.so) after jailing

[Murali M]

On Wed, Aug 13, 2014 at 11:34 AM, Murali M <murali248641 at gmail.com> wrote:

>
> Any body tried qt application under jailing circumstance.
>
> Need suggestions for below issue(I am using qt4.8 for TV platforms).
>
> We are launching the qtApplication in a process. Now process is
> jailed(using chroot).
>
> Memory corruption occurred in the time of dlopen(platform.so) after
> jailing.
>
>
>  Example:
>
> process main()
> {
>     mount "proc, sys, dev in /var/tt(chroot directory)"
>     chroot("/var/tt");
>     qtthread_create();
> }
>
>
> qtthread_create()
> {
>     create_thread_for_qt_app using pthread apis(qtMainThread);
>     stack size is 256K;
> }
>
> qtMainThread()
> {
>     Printing stack size for qtMainThread(current thread) its displayed currently(256K).
>
>     QApplication class creation(QApplication app).
>
>     Printing stack size for qtMainThread(current thread) its displayed wrongly(junk value).
>
>     app.exec();
> }
>
>
> QApplication call trying load the platform.so using dlopen inside qt
> library. In that case stack size displayed wrongly.
>
>
>
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