--- x/drivers/misc/vmw_vmci/vmci_context.c	2022-03-24 20:48:40.613297600 +0800
+++ y/drivers/misc/vmw_vmci/vmci_context.c	2022-03-24 21:12:11.482451200 +0800
@@ -416,14 +416,9 @@ struct vmci_ctx *vmci_ctx_get(u32 cid)
 	return context;
 }
 
-/*
- * Deallocates all parts of a context data structure. This
- * function doesn't lock the context, because it assumes that
- * the caller was holding the last reference to context.
- */
-static void ctx_free_ctx(struct kref *kref)
+static void ctx_free_wfunc(struct work_struct *work)
 {
-	struct vmci_ctx *context = container_of(kref, struct vmci_ctx, kref);
+	struct vmci_ctx *context = container_of(work, struct vmci_ctx, free_work);
 	struct vmci_datagram_queue_entry *dq_entry, *dq_entry_tmp;
 	struct vmci_handle temp_handle;
 	struct vmci_handle_list *notifier, *tmp;
@@ -484,6 +479,19 @@ static void ctx_free_ctx(struct kref *kr
 }
 
 /*
+ * Deallocates all parts of a context data structure. This
+ * function doesn't lock the context, because it assumes that
+ * the caller was holding the last reference to context.
+ */
+static void ctx_free_ctx(struct kref *kref)
+{
+	struct vmci_ctx *context = container_of(kref, struct vmci_ctx, kref);
+
+	INIT_WORK(&context->free_work, ctx_free_wfunc);
+	schedule_work(&context->free_work);
+}
+
+/*
  * Drops reference to VMCI context. If this is the last reference to
  * the context it will be deallocated. A context is created with
  * a reference count of one, and on destroy, it is removed from
--- x/drivers/misc/vmw_vmci/vmci_context.h	2022-03-24 20:47:25.859163300 +0800
+++ y/drivers/misc/vmw_vmci/vmci_context.h	2022-03-24 20:57:52.644149600 +0800
@@ -13,6 +13,7 @@
 #include <linux/kref.h>
 #include <linux/types.h>
 #include <linux/wait.h>
+#include <linux/workqueue.h>
 
 #include "vmci_handle_array.h"
 #include "vmci_datagram.h"
@@ -80,6 +81,7 @@ struct vmci_ctx {
 	const struct cred *cred;
 	bool *notify;		/* Notify flag pointer - hosted only. */
 	struct page *notify_page;	/* Page backing the notify UVA. */
+	struct work_struct free_work;
 };
 
 /* VMCINotifyAddRemoveInfo: Used to add/remove remote context notifications. */