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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-30 16:43:10 -0700
committerAndi Kleen <ak@linux.intel.com>2010-12-14 23:40:16 +0100
commit8fb9ee234b8283ced0b5d47c26739144a254a1ed (patch)
tree875eb90cfabdf2576d92a25ec9736748cf145d87
parent32005932e9aa0c2b97fd817edde2dff1c5640734 (diff)
net: Truncate recvfrom and sendto length to INT_MAX.
commit 253eacc070b114c2ec1f81b067d2fed7305467b0 upstream. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andi Kleen <ak@linux.intel.com>
-rw-r--r--net/socket.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c
index 367d5477d00..166ad32f944 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -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;