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Re: [PATCH 5/5] video/vesa: harden font height parsing
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Tue, 7 Apr 2026 11:03:59 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Kamil Frankowicz <kamil.frankowicz@xxxxxxx>
- Delivery-date: Tue, 07 Apr 2026 10:04:15 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24/03/2026 4:39 pm, Jan Beulich wrote:
> We should not prematurely increment the pointer, to avoid inadvertently
> skipping the NUL terminator.
>
> Fixes: 6d9199bd0f22 ("x86-64: enable hypervisor output on VESA frame buffer")
> Reported-by: Kamil Frankowicz <kamil.frankowicz@xxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
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