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net: Truncate recvfrom and sendto length to INT_MAX.

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commit 253eacc070 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>
This commit is contained in:
Linus Torvalds 2010-10-30 16:43:10 -07:00 committed by Greg Kroah-Hartman
parent 2184192578
commit 66e854dde3
1 changed files with 4 additions and 0 deletions
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4
net/socket.c
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@ -1651,6 +1651,8 @@ 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;
@ -1708,6 +1710,8 @@ 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;