diff options
Diffstat (limited to 'net/core/neighbour.c')
| -rw-r--r-- | net/core/neighbour.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 8baa9ab01db6..fa384f775f1a 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2629,11 +2629,16 @@ static int neigh_valid_dump_req(const struct nlmsghdr *nlh, ndm = nlmsg_data(nlh); if (ndm->ndm_pad1 || ndm->ndm_pad2 || ndm->ndm_ifindex || - ndm->ndm_state || ndm->ndm_flags || ndm->ndm_type) { + ndm->ndm_state || ndm->ndm_type) { NL_SET_ERR_MSG(extack, "Invalid values in header for neighbor dump request"); return -EINVAL; } + if (ndm->ndm_flags & ~NTF_PROXY) { + NL_SET_ERR_MSG(extack, "Invalid flags in header for neighbor dump request"); + return -EINVAL; + } + err = nlmsg_parse_strict(nlh, sizeof(struct ndmsg), tb, NDA_MAX, nda_policy, extack); } else { |