D32109.id95643.diff
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	Index: sys/opencrypto/cryptodev.c
	===================================================================
	--- sys/opencrypto/cryptodev.c
	+++ sys/opencrypto/cryptodev.c
	@@ -783,7 +783,7 @@
	}

	if (cse->txform) {
	- if (cop->len == 0 \|\| (cop->len % cse->txform->blocksize) != 0) {
	+ if ((cop->len % cse->txform->blocksize) != 0) {
	SDT_PROBE1(opencrypto, dev, ioctl, error, __LINE__);
	return (EINVAL);
	}
	@@ -838,6 +838,11 @@
	}
	break;
	case CSP_MODE_CIPHER:
	+ if (cop->len == 0) {
	+ SDT_PROBE1(opencrypto, dev, ioctl, error, __LINE__);
	+ error = EINVAL;
	+ goto bail;
	+ }
	switch (cop->op) {
	case COP_ENCRYPT:
	crp->crp_op = CRYPTO_OP_ENCRYPT;