Re: [PATCH] xen/arm: traps: Don't panic when receiving an unknown debug trap

[Julien Grall <julien@xxxxxxx>]

On 05/11/2020 23:10, Elliott Mitchell wrote:
> On Thu, Nov 05, 2020 at 10:31:06PM +0000, Julien Grall wrote:
> > Even if debug trap are only meant for debugging purpose, it is quite
> > harsh to crash Xen if one of the trap sent by the guest is not handled.
> >
> > So switch from a panic() to a printk().
> Might this qualify as security due to potential DoS?
This code path only exists with CONFIG_DEBUG=y which is not security 
supported.
Cheers,

--
Julien Grall