"The language" ?
C doesn't define behaviour of a null deref, but most compilers map a -rwx page there to ensure that attempts to deref fault.
In what circumstance do they not?
C doesn't define behaviour of a null deref, but most compilers map a -rwx page there to ensure that attempts to deref fault.
In what circumstance do they not?
http://blog.llvm.org/2011/05/what-every-c-programmer-should-...