Re: [RFC PATCH v4 24/27] mm/mmap: Create a guard area between VMAs

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

 



On Fri, Sep 21, 2018 at 08:03:48AM -0700, Yu-cheng Yu wrote:
> Create a guard area between VMAs, to detect memory corruption.

Do I understand correctly that with this patch a user space program
no longer be able to place two mappings back to back? If it is so,
it will likely break a lot of things; for example, it's a common ring
buffer implementations technique, to map buffer memory twice back
to back in order to avoid special handling of items wrapping its end.



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux