Date: Fri, 23 Oct 2020 08:33:22 -0400 From: Ryan Moeller <freqlabs@FreeBSD.org> To: Konstantin Belousov <kostikbel@gmail.com>, Ryan Moeller <freqlabs@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: Re: svn commit: r366965 - stable/12/usr.sbin/bhyve Message-ID: <9590af32-1b4c-23b8-dede-2554ea2b256c@FreeBSD.org> In-Reply-To: <20201023122726.GZ2643@kib.kiev.ua> References: <202010231048.09NAmEW8090391@repo.freebsd.org> <20201023122726.GZ2643@kib.kiev.ua>
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On 10/23/20 8:27 AM, Konstantin Belousov wrote: > Does this description mean that if guest writes garbage into base, it can > crash monitor ? The guest can crash the bhyve process by writing garbage into device registers, yes. A bad base address will be mapped to NULL and eventually gets passed as src to memcpy. -Ryan
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