Zhang Bo 69b69596a2 net: tulip: Restrict DMA engine to memories(CVE-2022-2962)
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>
2022-09-30 14:28:43 +08:00
2019-11-06 19:50:55 +08:00
2019-09-30 11:15:46 -04:00
2019-09-30 11:15:46 -04:00
2022-03-19 14:31:23 +08:00
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