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

[Julien Grall]

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