| commit | 2d204ee9d671327915260071c19350d84344e096 | [log] [tgz] |
|---|---|---|
| author | Dan Carpenter <dan.carpenter@oracle.com> | Mon Sep 10 14:12:07 2018 +0300 |
| committer | Steve French <stfrench@microsoft.com> | Wed Sep 12 09:32:07 2018 -0500 |
| tree | d1ef8c358f51282c7fc382be90af5662872ac882 | |
| parent | 56446f218af1133c802dad8e9e116f07f381846c [diff] |
cifs: integer overflow in in SMB2_ioctl()
The "le32_to_cpu(rsp->OutputOffset) + *plen" addition can overflow and
wrap around to a smaller value which looks like it would lead to an
information leak.
Fixes: 4a72dafa19ba ("SMB2 FSCTL and IOCTL worker function")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
CC: Stable <stable@vger.kernel.org>