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| author | David S. Miller <davem@davemloft.net> | 2021-06-07 13:01:52 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-07 13:01:52 -0700 |
| commit | 126285651b7f95282a0afe3a1b0221419b31d989 (patch) | |
| tree | e5d547255814a5ed55b6b74be3155464598b39f2 /net/netfilter/nfnetlink_cthelper.c | |
| parent | 9977d6f56bacc9784654be4d0f4d27b368f57f5b (diff) | |
| parent | 3822d0670c9d4342794d73e0d0e615322b40438e (diff) | |
| download | linux-126285651b7f95282a0afe3a1b0221419b31d989.tar.gz | |
Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net
Bug fixes overlapping feature additions and refactoring, mostly.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/nfnetlink_cthelper.c')
| -rw-r--r-- | net/netfilter/nfnetlink_cthelper.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c index df58cd534ff549..5c622f55c9d684 100644 --- a/net/netfilter/nfnetlink_cthelper.c +++ b/net/netfilter/nfnetlink_cthelper.c @@ -380,10 +380,14 @@ static int nfnl_cthelper_update(const struct nlattr * const tb[], struct nf_conntrack_helper *helper) { + u32 size; int ret; - if (tb[NFCTH_PRIV_DATA_LEN]) - return -EBUSY; + if (tb[NFCTH_PRIV_DATA_LEN]) { + size = ntohl(nla_get_be32(tb[NFCTH_PRIV_DATA_LEN])); + if (size != helper->data_len) + return -EBUSY; + } if (tb[NFCTH_POLICY]) { ret = nfnl_cthelper_update_policy(helper, tb[NFCTH_POLICY]); |