[openssl-dev] [openssl.org #4036] Invalid use of memcpy() causing decrypt failure

[John Foley via RT]

We're seeing intermittent failures in the AES key wrap test cases in
test/evp_test in the 1.0.2d release.  We believe the problem is due to
using memcpy() with overlapping src/dst memory regions.  The following
thread provides some insight into this memcpy() issue:

https://bugzilla.redhat.com/show_bug.cgi?id=638477

The documentation for memcpy() states to use memmove() when the memory
regions overlap.  The attached patch resolves the problem.  Please
consider accepting this patch in the 1.0.2 stable and master branches.

Thank you.

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