40cca4614c
In GELI, anywhere we are zeroing out possibly sensitive data, like the metadata struct, the metadata sector (both contain the encrypted master key), the user key, or the master key, use explicit_bzero. Didn't touch the bzero() used to initialize structs. Reviewed by: delphij, oshogbo Sponsored by: ScaleEngine Inc. Differential Revision: https://reviews.freebsd.org/D9809