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authorXi Wang <xi.wang@gmail.com>2011-11-28 12:25:43 +0100
committerDave Airlie <airlied@redhat.com>2011-12-02 10:49:41 +0000
commitbab9efc206ba89766c53a9042eb771e87e68c42b (patch)
tree7413fe6517587d631fca96960ec806d5e8b7e61a /scripts/show_delta
parentf3a71df05082c84d1408129084736c5f742a6165 (diff)
vmwgfx: integer overflow in vmw_kms_update_layout_ioctl()
There are two issues in vmw_kms_update_layout_ioctl(). First, the for loop forgets to index rects and only checks the first element. Second, there is a potential integer overflow if userspace passes in a large arg->num_outputs. The call to kzalloc() would allocate a small buffer, leading to out-of-bounds read. Reported-by: Haogang Chen <haogangchen@gmail.com> Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'scripts/show_delta')
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