• Gao Feng's avatar
    ebtables: arpreply: Add the standard target sanity check · c953d635
    Gao Feng authored
    The info->target comes from userspace and it would be used directly.
    So we need to add the sanity check to make sure it is a valid standard
    target, although the ebtables tool has already checked it. Kernel needs
    to validate anything coming from userspace.
    If the target is set as an evil value, it would break the ebtables
    and cause a panic. Because the non-standard target is treated as one
    Now add one helper function ebt_invalid_target, and we would replace
    the macro INVALID_TARGET later.
    Signed-off-by: default avatarGao Feng <gfree.wind@vip.163.com>
    Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
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