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-rw-r--r--drivers/misc/vmw_vmci/vmci_datagram.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_datagram.c b/drivers/misc/vmw_vmci/vmci_datagram.c
index f3cdd904fe4..82266524558 100644
--- a/drivers/misc/vmw_vmci/vmci_datagram.c
+++ b/drivers/misc/vmw_vmci/vmci_datagram.c
@@ -328,7 +328,8 @@ int vmci_datagram_dispatch(u32 context_id,
BUILD_BUG_ON(sizeof(struct vmci_datagram) != 24);
- if (VMCI_DG_SIZE(dg) > VMCI_MAX_DG_SIZE) {
+ if (dg->payload_size > VMCI_MAX_DG_SIZE ||
+ VMCI_DG_SIZE(dg) > VMCI_MAX_DG_SIZE) {
pr_devel("Payload (size=%llu bytes) too big to send\n",
(unsigned long long)dg->payload_size);
return VMCI_ERROR_INVALID_ARGS;