tree 3f29931c9be46cb4ed83c1bf75cf05b85293e2fd
parent 52ba0746b3b44c86aee121babf3b2fd9b8f84090
author Insu Yun <wuninsu@gmail.com> 1453136083 -0500
committer David Vrabel <david.vrabel@citrix.com> 1455544617 +0000

xen: fix potential integer overflow in queue_reply

When len is greater than UINT_MAX - sizeof(*rb), in next allocation,
it can overflow integer range and allocates small size of heap.
After that, memcpy will overflow the allocated heap.
Therefore, it needs to check the size of given length.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>