On Wed, Mar 21, 2007 at 08:01:50PM +0000, Hugh Dickins wrote: > It was in doing kernel builds that I hit it, nothing special: an > overnight cycle of kernel building would collapse in a few hours. > openSUSE 10.2.
I wonder it was the combination of the base addr randomization patch and something specific to the openSuSE loader that was sparking the failures? I ran about 22 million execs on Ubuntu Feisty (patched to re-include the base addr randomization), with a PIE bash, and never saw it. Hmpf. > Andi would tell definitively, but I guess it's merely that with so > much more address space to play with, x86_64 can divide up that space > more satisfactorily. > > But don't be misled: try "ulimit -s unlimited" and I expect you'll > find i386 allocating mmap addresses (hence libraries) from the > opposite end, below ELF_ET_DYN_BASE. Is there any explicitly documented per-arch "here is the memory layout of a process"? I haven't been able to find anything like this. I suspect it would be a good reference to have; so if no one has any hints, I'll try to get something written up. -- Kees Cook @outflux.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
