Re: gcc generated long read out of bounds segfault

2014-02-22 Thread David Fries
On Sat, Feb 22, 2014 at 08:49:38AM +0100, Andreas Schwab wrote: > David Fries writes: > > > The attached program sets up and reads through the array with extra > > padding at the of the array from 8 bytes to 0 bytes. Padding from 4 > > to 0 crashes. > > This p

gcc generated long read out of bounds segfault

2014-02-21 Thread David Fries
with extra padding at the of the array from 8 bytes to 0 bytes. Padding from 4 to 0 crashes. There are some #defines to make it easy to use malloc vs mmap, use munmap or mprotect to make the next page not accessible. -- David Fries PGP pub CB1EE8F0 http://fries.net/~david/ //#define __USE_MISC