D32084.diff
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	diff --git a/sys/opencrypto/crypto.c b/sys/opencrypto/crypto.c
	--- a/sys/opencrypto/crypto.c
	+++ b/sys/opencrypto/crypto.c
	@@ -202,6 +202,13 @@
	"Enable/disable use of software crypto by /dev/crypto");
	#endif

	+#ifdef DIAGNOSTIC
	+bool crypto_destroyreq_check;
	+SYSCTL_BOOL(_kern_crypto, OID_AUTO, destroyreq_check, CTLFLAG_RWTUN,
	+ &crypto_destroyreq_check, 0,
	+ "Enable checks when destroying a request");
	+#endif
	+
	MALLOC_DEFINE(M_CRYPTO_DATA, "crypto", "crypto session records");

	static void crypto_dispatch_thread(void *arg);
	@@ -1580,6 +1587,9 @@
	struct cryptop *crp2;
	struct crypto_ret_worker *ret_worker;

	+ if (!crypto_destroyreq_check)
	+ return;
	+
	CRYPTO_Q_LOCK();
	TAILQ_FOREACH(crp2, &crp_q, crp_next) {
	KASSERT(crp2 != crp,