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net: Truncate recvfrom and sendto length to INT_MAX. 

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Linus Torvalds 2010-10-30 16:43:10 -07:00 committed by David S. Miller
parent d139ff0907
commit 253eacc070
1 changed files with 4 additions and 0 deletions
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4
net/socket.c
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@ -1652,6 +1652,8 @@ SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
struct iovec iov; struct iovec iov;
int fput_needed; int fput_needed;
if (len > INT_MAX)
len = INT_MAX;
sock = sockfd_lookup_light(fd, &err, &fput_needed); sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock) if (!sock)
goto out; goto out;
@ -1709,6 +1711,8 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
int err, err2; int err, err2;
int fput_needed; int fput_needed;
if (size > INT_MAX)
size = INT_MAX;
sock = sockfd_lookup_light(fd, &err, &fput_needed); sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock) if (!sock)
goto out; goto out;