D32109.diff
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	diff --git a/sys/opencrypto/cryptodev.c b/sys/opencrypto/cryptodev.c
	--- a/sys/opencrypto/cryptodev.c
	+++ b/sys/opencrypto/cryptodev.c
	@@ -781,7 +781,7 @@
	}

	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);
	}
	@@ -836,6 +836,12 @@
	}
	break;
	case CSP_MODE_CIPHER:
	+ if (cop->len == 0 \|\|
	+ (cop->iv == NULL && cop->len == cse->ivsize)) {
	+ SDT_PROBE1(opencrypto, dev, ioctl, error, __LINE__);
	+ error = EINVAL;
	+ goto bail;
	+ }
	switch (cop->op) {
	case COP_ENCRYPT:
	crp->crp_op = CRYPTO_OP_ENCRYPT;
	@@ -919,8 +925,9 @@
	goto bail;
	}
	crp->crp_iv_start = 0;
	- crp->crp_payload_start += cse->ivsize;
	crp->crp_payload_length -= cse->ivsize;
	+ if (crp->crp_payload_length != 0)
	+ crp->crp_payload_start = cse->ivsize;
	dst += cse->ivsize;
	}