Re: [PATCH 0/5] Harden a few virtio drivers

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On Tue, Jan 17, 2023 at 03:57:55PM +0200, Alexander Shishkin wrote:
> Hi,
> 
> Here are 5 patches that harden console, net and 9p drivers against
> various malicious host input.

So I'm all for hardening against buggy devices.
But, if it's malicious host you are worried about, shouldn't
we worry about all the spectre things?



> Alexander Shishkin (2):
>   virtio console: Harden control message handling
>   virtio_net: Guard against buffer length overflow in
>     xdp_linearize_page()
> 
> Andi Kleen (3):
>   virtio console: Harden multiport against invalid host input
>   virtio console: Harden port adding
>   virtio 9p: Fix an overflow
> 
>  drivers/char/virtio_console.c | 19 ++++++++++++-------
>  drivers/net/virtio_net.c      |  4 +++-
>  net/9p/trans_virtio.c         |  2 +-
>  3 files changed, 16 insertions(+), 9 deletions(-)
> 
> -- 
> 2.39.0

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