Re: [PATCH v2 0/2] start_kernel: omit stack canary

2023-04-18 Thread Josh Poimboeuf
On Mon, Apr 17, 2023 at 03:00:04PM -0700, ndesaulni...@google.com wrote: > --- > Changes in v2: > - Rebase to avoid conflicts with Josh's changes. > - Fix comment style as per Peter. > - Pick up tags. > - Link to v1: > https://lore.kernel.org/r/20230412-no_stackp-v1-0-46a69b507...@google.com > (so

[PATCH v2 0/2] start_kernel: omit stack canary

2023-04-17 Thread ndesaulniers
A security research paper was recently published detailing Catch Handler Oriented Programming (CHOP) attacks. https://download.vusec.net/papers/chop_ndss23.pdf The TL;DR being that C++ structured exception handling runtimes are attractive gadgets for Jump Oriented Programming (JOP) attacks. In res