On Mon, 2026-07-06 at 11:19 +0200, Christian Borntraeger wrote:
> If a guest submits an sccb with a tiny header length but a large number
> of event mask entries, the write_event_mask handler will
> 1. return the wrong RC (ok instead of error)
> 2. write to memory after the allocated sccb in qemu host memory.
> 
> Add the necessary checks.
> 
> Cc: [email protected]
> Reviewed-by: Hendrik Brueckner <[email protected]>
> Signed-off-by: Christian Borntraeger <[email protected]>
> ---
>  hw/s390x/event-facility.c | 6 ++++++
>  1 file changed, 6 insertions(+)

Reviewed-by: Eric Farman <[email protected]>

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