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-rw-r--r--net/socket.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c
index e4ed2359eb4..b5c6de4f268 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1999,6 +1999,9 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
struct compat_mmsghdr __user *compat_entry;
struct msghdr msg_sys;
+ if (vlen > UIO_MAXIOV)
+ vlen = UIO_MAXIOV;
+
datagrams = 0;
sock = sockfd_lookup_light(fd, &err, &fput_needed);