UPSTREAM: crypto: jitter - Mark intermediary memory as clean

This is not a leak! The stack memroy is hashed and fed into the
entropy pool. We can't recover the original kernel memory from it.

Reported-by:  <syzbot+e8bcd7ee3db6cb5cb875@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=e8bcd7ee3db6cb5cb875


Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

(cherry picked from commit 9aa7e045)
Bug: 452983319
Bug: 425813935
Signed-off-by: Eric Biggers <ebiggers@google.com>
Cherrypick-From: https://android-review.googlesource.com/q/commit:fadca08ac5a29f9cf4dfabe39ff28a5e89b402b7


Merged-In: I1fcf39fe0107015852de9564ec862f1d08db447c
Change-Id: I1fcf39fe0107015852de9564ec862f1d08db447c
Signed-off-by: Gina Ko <yichunko@google.com>