netfilter: nf_tables: rise cap on SELinux secmark context

secmark context is artificially limited 256 bytes, rise it to 4Kbytes.

Fixes: fb961945457f ("netfilter: nf_tables: add SECMARK support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index aa4094ca2444fbb91f16d3816477c7d07043e8c5..639894ed1b9732b95dc263cc0526ce5325e401a2 100644 (file)
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -1376,7 +1376,7 @@ enum nft_secmark_attributes {
 #define NFTA_SECMARK_MAX       (__NFTA_SECMARK_MAX - 1)
 
 /* Max security context length */
-#define NFT_SECMARK_CTX_MAXLEN         256
+#define NFT_SECMARK_CTX_MAXLEN         4096
 
 /**
  * enum nft_reject_types - nf_tables reject expression reject types