tree 63d9a35821dfdfaa5ce4d3ca25f5a6d2a50ba61b
parent 1d1ee7e0a1b7041804e8c5f8c2453fdc2df0407e
author Paolo Bonzini <pbonzini@redhat.com> 1711908281 +0200
committer Paolo Bonzini <pbonzini@redhat.com> 1712074139 +0200

lsi53c895a: avoid out of bounds access to s->msg[]

If no bytes are there to process in the message in phase,
the input data latch (s->sidl) is set to s->msg[-1].  Just
do nothing since no DMA is performed.

Reported-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>