netfilter: xt_sctp: sctp chunk mapping doesn't work

When user tries to map all chunks given in argument, kernel works on a copy of the chunkmap, but at the end it doesn't check the copy, but the orginal one. Signed-off-by: Qu Haoran <[email protected]> Signed-off-by: Nicolas Dichtel <[email protected]> Signed-off-by: Patrick McHardy <[email protected]> Signed-off-by: David S. Miller <[email protected]>
mrcsosa · Feb 9, 2009 · d4e2675 · d4e2675
1 parent 1f9da25
commit d4e2675
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/netfilter/xt_sctp.c b/net/netfilter/xt_sctp.c
@@ -105,7 +105,7 @@ match_packet(const struct sk_buff *skb,
 
 	switch (chunk_match_type) {
 	case SCTP_CHUNK_MATCH_ALL:
-		return SCTP_CHUNKMAP_IS_CLEAR(info->chunkmap);
+		return SCTP_CHUNKMAP_IS_CLEAR(chunkmapcopy);
 	case SCTP_CHUNK_MATCH_ANY:
 		return false;
 	case SCTP_CHUNK_MATCH_ONLY: