Re: PaX ASLR broken due TLS

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Wed, Mar 16, 2011 at 02:22:41PM +0200, Jukka Ruohonen wrote:
> Previously many programs (e.g. emacs) worked fine with:
> 
>       security.pax.aslr.enabled=1

Any simple test case? Alternative, can you tar up something that hits it
(and depending shared libraries) and upload to ftp.n.o or so?

Also, for libpthread users, the ASLR issues are only fixed with the last
commit as I had to backout the earlier versions due to the C++ init
issues.

>   7158      1 emacs    _lwp_setprivate(0x72cf9e42a040) = 0
>   7158      1 emacs    SIGSEGV SIG_DFL
> 
> Any idea what is wrong, and is this solvable?

ktrace is not helpful for this purpose. A coredump would at least tell
you where and what failed.

Joerg