diff options
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 1c6482d2c4dc..559225029740 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3778,6 +3778,11 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, err = set->ops->insert(ctx->net, set, &elem, &ext2); if (err) { if (err == -EEXIST) { + if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA) ^ + nft_set_ext_exists(ext2, NFT_SET_EXT_DATA) || + nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF) ^ + nft_set_ext_exists(ext2, NFT_SET_EXT_OBJREF)) + return -EBUSY; if ((nft_set_ext_exists(ext, NFT_SET_EXT_DATA) && nft_set_ext_exists(ext2, NFT_SET_EXT_DATA) && memcmp(nft_set_ext_data(ext), |