Re: [PATCH 00/35] Shadow stacks for userspace

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

 



On Sat, Feb 05, 2022 at 12:21:12PM -0800, H.J. Lu wrote:

> setjmp/longjmp work on the same sigjmp_buf.  Shadow stack pointer
> is saved and restored, just like any other callee-saved registers.

How is having that shadow stack pointer in user-writable memory not a
problem? That seems like a prime target to subvert the whole shadow
stack machinery.



[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