net: Truncate recvfrom and sendto length to INT_MAX.
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 30 Oct 2010 23:43:10 +0000 (16:43 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 30 Oct 2010 23:44:07 +0000 (16:44 -0700)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/socket.c

index abf3e2561521acc1ce82167b9edaf71eaf263ee9..2808b4db46ee592b44afb2e47f835bf77ce699d5 100644 (file)
@@ -1652,6 +1652,8 @@ SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
        struct iovec iov;
        int fput_needed;
 
+       if (len > INT_MAX)
+               len = INT_MAX;
        sock = sockfd_lookup_light(fd, &err, &fput_needed);
        if (!sock)
                goto out;
@@ -1709,6 +1711,8 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
        int err, err2;
        int fput_needed;
 
+       if (size > INT_MAX)
+               size = INT_MAX;
        sock = sockfd_lookup_light(fd, &err, &fput_needed);
        if (!sock)
                goto out;