[PATCH] [199/223] net: Truncate recvfrom and sendto length to INT_MAX.

[Andi Kleen]

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

commit 253eacc070b114c2ec1f81b067d2fed7305467b0 upstream.

Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

---
 net/socket.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: linux/net/socket.c
===================================================================
--- linux.orig/net/socket.c
+++ linux/net/socket.c
@@ -1652,6 +1652,8 @@ SYSCALL_DEFINE6(sendto, int, fd, void __
 	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
 	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;
--
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