Message ID | 20180528234221.31254-3-pablo@netfilter.org |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
Series | [1/9] netfilter: nf_tables: fix NULL pointer dereference on nft_ct_helper_obj_dump() | expand |
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 28a4c3490359..6ba639f6c51d 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1954,7 +1954,8 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt, int off, pad = 0; unsigned int size_kern, match_size = mwt->match_size; - strlcpy(name, mwt->u.name, sizeof(name)); + if (strscpy(name, mwt->u.name, sizeof(name)) < 0) + return -EINVAL; if (state->buf_kern_start) dst = state->buf_kern_start + state->buf_kern_offset;