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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-30 16:43:10 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-12-09 13:27:12 -0800
commit3543e68e10bc6cacd30326e837a53147a1d33660 (patch)
tree13bc876ded1b684437ef66a9f31f6ccb391abe1d /net
parent0dd472b3a508ae8ec0b7ff3396e1a17434b78a75 (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>
Diffstat (limited to 'net')
-rw-r--r--net/socket.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c
index 75655365b5fd..d449812d6208 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1673,6 +1673,8 @@ 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;
@@ -1730,6 +1732,8 @@ 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;