On Thu, 2009-04-16 at 14:27 -0500, Kumar Gala wrote: > On Apr 16, 2009, at 2:25 PM, Scott Wood wrote: > > > Kumar Gala wrote: > >> [root:~] cat /proc/1/maps > >> 00100000-00103000 r-xp 00100000 00:00 0 [vdso] > >> 0feab000-0ffbe000 r-xp 00000000 00:0d 7127086 /lib/libc-2.2.5.so > >> 0ffbe000-0ffcb000 ---p 00113000 00:0d 7127086 /lib/libc-2.2.5.so > >> 0ffcb000-0ffeb000 rw-p 00110000 00:0d 7127086 /lib/libc-2.2.5.so > > > > IIRC, this libc is old enough to execute out of non-exec memory in > > some cases. > > Yeah, I'm going to that realization. The question is are we ok with > breaking older versions of libc like this.
I'm pretty sure they are broken already when running off a 64-bit kernel, but yeah, as I said, we may want a .config option to enable support for that old junk which also disables support from per-page execute permission. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
