commit 796beb54707fb36d44e498025d44fa3296fd3eff
Author: Mark Johnston <markj@FreeBSD.org>
Date:   Wed Jun 7 14:20:25 2023 -0400

    crypto: Advance the correct pointer in crypto_cursor_copydata()
    
    PR:             271766

diff --git a/sys/opencrypto/criov.c b/sys/opencrypto/criov.c
index c832a9af9eec..c1bd4919ec5c 100644
--- a/sys/opencrypto/criov.c
+++ b/sys/opencrypto/criov.c
@@ -591,7 +591,7 @@ crypto_cursor_copydata(struct crypto_buffer_cursor *cc, int size, void *vdst)
 			remain = MIN(PAGE_SIZE - cc->cc_offset, cc->cc_buf_len);
 			todo = MIN(remain, size);
 			memcpy(dst, src, todo);
-			src += todo;
+			dst += todo;
 			cc->cc_buf_len -= todo;
 			if (todo < remain) {
 				cc->cc_offset += todo;