This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Pointer guard for static binaries?


Roland McGrath wrote:
> Really?  If you have exploit code running, can't it use %fs:N easily enough?

It is easier to dump regions of the libc DSO memory range via a stray
memcpy or so.  This isn't easily doable with the TCB because the TCB
pointer is not readily available.

-- 
â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â

Attachment: signature.asc
Description: OpenPGP digital signature


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]