---

yaml --- r: 328082 b: refs/heads/master c: ba8d3b0 h: refs/heads/master v: v3
git-mirror · Sep 24, 2012 · ea76d68 · ea76d68
1 parent bb208fb
commit ea76d68
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Showing 2 changed files with 8 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7be54ca4764bdead40bee7b645a72718c20ff2c8
+refs/heads/master: ba8d3b0bf5900b9ee5354e7d73358867763a6766
diff --git a/trunk/net/netfilter/nfnetlink_queue_core.c b/trunk/net/netfilter/nfnetlink_queue_core.c
@@ -526,9 +526,13 @@ nfqnl_set_mode(struct nfqnl_instance *queue,
 
 	case NFQNL_COPY_PACKET:
 		queue->copy_mode = mode;
-		/* we're using struct nlattr which has 16bit nla_len */
-		if (range > 0xffff)
-			queue->copy_range = 0xffff;
+		/* We're using struct nlattr which has 16bit nla_len. Note that
+		 * nla_len includes the header length. Thus, the maximum packet
+		 * length that we support is 65531 bytes. We send truncated
+		 * packets if the specified length is larger than that.
+		 */
+		if (range > 0xffff - NLA_HDRLEN)
+			queue->copy_range = 0xffff - NLA_HDRLEN;
 		else
 			queue->copy_range = range;
 		break;