Mark Johnston 645b7efd49 geom_disk: Add KMSAN checks
- In g_disk_start(), verify that the data to be written is initialized
  according to KMSAN shadow state.
- In g_disk_done(), verify that the block driver updated shadow state as
  expected, so as to catch sources of false positives early.

Sponsored by:	The FreeBSD Foundation
2021-08-11 16:33:41 -04:00
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2021-08-11 16:33:41 -04:00