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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-07 11:03:02 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-07 11:03:02 +0200
commitc610f7f772aa06ae2bd8e5ace87cde4d90f70198 (patch)
tree6991a32acd3d63685c184734869877707fa73d1c /net/socket.c
parentf9541f8239a5765595543b021b2dce6a8d6653ab (diff)
parentf22e6e847115abc3a0e2ad7bb18d243d42275af1 (diff)
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Merge 4.0-rc7 into staging-next
We want those fixes (iio primarily) into the -next branch to help with merge and testing issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c
index bbedbfcb42c2..245330ca0015 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1702,6 +1702,8 @@ SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
if (len > INT_MAX)
len = INT_MAX;
+ if (unlikely(!access_ok(VERIFY_READ, buff, len)))
+ return -EFAULT;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
@@ -1760,6 +1762,8 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
if (size > INT_MAX)
size = INT_MAX;
+ if (unlikely(!access_ok(VERIFY_WRITE, ubuf, size)))
+ return -EFAULT;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;