smbios: avoid integer overflow when adding SMBIOS type 0 table

SeaBIOS implements the SMBIOS 2.1 entry point which is limited to a
maximum length of 0xffff. If the SMBIOS data received from QEMU is large
enough, then adding the type 0 table will cause integer overflow. This
results in fun behaviour such as KVM crash, or hangs in SeaBIOS.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

0 files changed, 0 insertions, 0 deletions