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-rw-r--r--net/x25/af_x25.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 9ca17b1..ed80af8 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1035,6 +1035,12 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock,
sx25.sx25_addr = x25->dest_addr;
}
+ /* Sanity check the packet size */
+ if (len > 65535) {
+ rc = -EMSGSIZE;
+ goto out;
+ }
+
SOCK_DEBUG(sk, "x25_sendmsg: sendto: Addresses built.\n");
/* Build a packet */
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