regression: CopyMem() in ad8692e copies out of bounds #989

Job	Run time
f41 x64 build compile_commands.json	2m 57s
f41 x64 build	2m 19s
f41 aa64 cross-build	2m 6s
f40 x64 build	2m 15s
f40 aa64 cross-build	1m 58s
f39 x64 build	2m 10s
f41 arm cross-build	2m 2s
centos9 x64 build	1m 16s
f40 arm cross-build	3m 15s
centos8 x64 build	1m 14s
f39 arm cross-build	2m 8s
f39 ia32 build	1m 59s
f41 x64 cross-build	2m 5s
centos8 ia32 build	1m 19s
f40 x64 cross-build	2m 33s
f39 x64 cross-build	1m 54s
f41 ia32 cross-build	2m 2s
f40 ia32 cross-build	2m 3s
f39 ia32 cross-build	2m 7s
	39m 42s

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