Re: [PATCH] Protection for exploiting null dereference using mmap

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Eric Paris wrote:
> 
> While I understand, there are a few users who will have problems with
> this default are we really better to not provide this defense in depth
> for the majority of users and let those with problems turn it off rather
> than provide no defense by default?  I could even provide a different
> default for SELinux and non-SELinux if anyone saw value in that?  But if
> others think that off default is  best I'll send another patch shortly
> with the unsigned long fix and the default set to 0.  My hope is then
> that distros will figure out to turn this on.
> 

I hope not.  This breaks any hardware virtualizer.

So yes, we're better off not having this on, and require it to be
explicitly enabled by the end user.

Sorry.

	-hpa
-
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/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux