4.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pierre Morel <pmo...@linux.ibm.com>
commit 204c97245612b6c255edf4e21e24d417c4a0c008 upstream.
Copy the key mask to the right offset inside the shadow CRYCB
Fixes: bbeaa58b3 ("KVM: s390: vsie: support aes dea wrapping keys")
Signed-off-by: Pierre Morel <pmo...@linux.ibm.com>
Reviewed-by: David Hildenbrand <da...@redhat.com>
Reviewed-by: Cornelia Huck <coh...@redhat.com>
Reviewed-by: Janosch Frank <fran...@linux.ibm.com>
Cc: sta...@vger.kernel.org # v4.8+
Message-Id: <1535019956-23539-2-git-send-email-pmo...@linux.ibm.com>
Signed-off-by: Janosch Frank <fran...@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/s390/kvm/vsie.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -173,7 +173,8 @@ static int shadow_crycb(struct kvm_vcpu
return set_validity_icpt(scb_s, 0x0039U);
/* copy only the wrapping keys */
- if (read_guest_real(vcpu, crycb_addr + 72, &vsie_page->crycb, 56))
+ if (read_guest_real(vcpu, crycb_addr + 72,
+ vsie_page->crycb.dea_wrapping_key_mask, 56))
return set_validity_icpt(scb_s, 0x0035U);
scb_s->ecb3 |= ecb3_flags;
