Le 15/04/2025 à 15:02, Andrew Cooper a écrit :
> Which compiler are you using? (Just so there's a record. These reports
> are version-sensitive.)
It's GCC 14.2.0.
>
> Do you know precisely which condition is being hit?
It occurs when booting OVMF (PVH and HVM) with HAP=0.
It doesn't seem to oc
On 15/04/2025 2:00 pm, Jan Beulich wrote:
> On 15.04.2025 14:49, Teddy Astie wrote:
>> UBSAN complains when trying memcpy with a NULL pointer even if it's going to
>> copy zero bytes (which are the only cases where a NULL pointer is used).
> If this really was a problem, I think we'd need to go thr
On 15/04/2025 1:49 pm, Teddy Astie wrote:
> UBSAN complains when trying memcpy with a NULL pointer even if it's going to
> copy zero bytes (which are the only cases where a NULL pointer is used).
> Fix this by only doing the memcpy if the pointer is non-NULL.
Which compiler are you using? (Just s
On 15.04.2025 14:49, Teddy Astie wrote:
> UBSAN complains when trying memcpy with a NULL pointer even if it's going to
> copy zero bytes (which are the only cases where a NULL pointer is used).
If this really was a problem, I think we'd need to go through and find all
instances. However, ...
> Fi
UBSAN complains when trying memcpy with a NULL pointer even if it's going to
copy zero bytes (which are the only cases where a NULL pointer is used).
Fix this by only doing the memcpy if the pointer is non-NULL.
(XEN)
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