Re: [PATCH v3 0/6] Tracing vs CR2

[Andy Lutomirski]

Hi all-

I suspect that a bunch of the bugs you're all finding boil down to:

 - Nested debug exceptions could corrupt the outer exception's DR6.
 - Nested debug exceptions in which *both* exceptions came from the
kernel were probably all kinds of buggy
 - Data breakpoints in bad places in the kernel were bad news

Could you give this not-quite-finished series a try?

https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/