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This should never happen but to ensure that, add an upper limit on the x-linear-aper-size. This may not silence the warning but makes sure users cannot cause an overflow. Signed-off-by: BALATON Zoltan Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-ID: <541ffffdaa4c67b9dcbca6c2498e69b137bce95d.1774904832.git.balato= n@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/display/ati.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/display/ati.c b/hw/display/ati.c index fc19737d1f0..97d871b1e22 100644 --- a/hw/display/ati.c +++ b/hw/display/ati.c @@ -1130,6 +1130,10 @@ static void ati_vga_realize(PCIDevice *dev, Error **= errp) s->linear_aper_sz =3D ATI_R100_LINEAR_APER_SIZE; } } + if (s->linear_aper_sz > 256 * MiB) { + error_setg(errp, "x-linear-aper-size is too large (maximum 256 MiB= )"); + return; + } if (s->linear_aper_sz < 16 * MiB) { error_setg(errp, "x-linear-aper-size is too small (minimum 16 MiB)= "); return; --=20 2.53.0