fix CVE-2022-2962. The DMA engine is started by I/O access and then itself accesses the I/O registers, triggering a teentrancy bug. Fix this bug by restricting the DMA engine to memories regions. Signed-off-by: Zhang Bo <oscar.zhangbo@huawei.com> (cherry picked from commit 69b69596a274bd68695dda39ef939ed1ddbf9ba1)
Description
No description provided
Languages
Markdown
100%