diff --git a/components/bt/esp_ble_mesh/mesh_common/include/mesh_kernel.h b/components/bt/esp_ble_mesh/mesh_common/include/mesh_kernel.h
index 7d00d64269..5e95e3b1a0 100644
--- a/components/bt/esp_ble_mesh/mesh_common/include/mesh_kernel.h
+++ b/components/bt/esp_ble_mesh/mesh_common/include/mesh_kernel.h
@@ -268,8 +268,14 @@ s64_t k_uptime_get(void);
  */
 void k_sleep(s32_t duration);
 
-unsigned int bt_mesh_irq_lock(void);
-void bt_mesh_irq_unlock(unsigned int key);
+void bt_mesh_list_lock(void);
+void bt_mesh_list_unlock(void);
+
+void bt_mesh_buf_lock(void);
+void bt_mesh_buf_unlock(void);
+
+void bt_mesh_atomic_lock(void);
+void bt_mesh_atomic_unlock(void);
 
 void bt_mesh_k_init(void);
 
diff --git a/components/bt/esp_ble_mesh/mesh_common/mesh_atomic.c b/components/bt/esp_ble_mesh/mesh_common/mesh_atomic.c
index ce73638053..6c2e940a19 100644
--- a/components/bt/esp_ble_mesh/mesh_common/mesh_atomic.c
+++ b/components/bt/esp_ble_mesh/mesh_common/mesh_atomic.c
@@ -55,15 +55,14 @@ bt_mesh_atomic_val_t bt_mesh_atomic_get(const bt_mesh_atomic_t *target)
  */
 bt_mesh_atomic_val_t bt_mesh_atomic_set(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value)
 {
-    unsigned int key;
     bt_mesh_atomic_val_t ret;
 
-    key = bt_mesh_irq_lock();
+    bt_mesh_atomic_lock();
 
     ret = *target;
     *target = value;
 
-    bt_mesh_irq_unlock(key);
+    bt_mesh_atomic_unlock();
 
     return ret;
 }
@@ -83,15 +82,14 @@ bt_mesh_atomic_val_t bt_mesh_atomic_set(bt_mesh_atomic_t *target, bt_mesh_atomic
  */
 bt_mesh_atomic_val_t bt_mesh_atomic_or(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value)
 {
-    unsigned int key;
     bt_mesh_atomic_val_t ret;
 
-    key = bt_mesh_irq_lock();
+    bt_mesh_atomic_lock();
 
     ret = *target;
     *target |= value;
 
-    bt_mesh_irq_unlock(key);
+    bt_mesh_atomic_unlock();
 
     return ret;
 }
@@ -111,15 +109,14 @@ bt_mesh_atomic_val_t bt_mesh_atomic_or(bt_mesh_atomic_t *target, bt_mesh_atomic_
  */
 bt_mesh_atomic_val_t bt_mesh_atomic_and(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value)
 {
-    unsigned int key;
     bt_mesh_atomic_val_t ret;
 
-    key = bt_mesh_irq_lock();
+    bt_mesh_atomic_lock();
 
     ret = *target;
     *target &= value;
 
-    bt_mesh_irq_unlock(key);
+    bt_mesh_atomic_unlock();
 
     return ret;
 }
@@ -137,15 +134,14 @@ bt_mesh_atomic_val_t bt_mesh_atomic_and(bt_mesh_atomic_t *target, bt_mesh_atomic
  */
 bt_mesh_atomic_val_t bt_mesh_atomic_dec(bt_mesh_atomic_t *target)
 {
-    unsigned int key;
     bt_mesh_atomic_val_t ret;
 
-    key = bt_mesh_irq_lock();
+    bt_mesh_atomic_lock();
 
     ret = *target;
     (*target)--;
 
-    bt_mesh_irq_unlock(key);
+    bt_mesh_atomic_unlock();
 
     return ret;
 }
@@ -163,15 +159,14 @@ bt_mesh_atomic_val_t bt_mesh_atomic_dec(bt_mesh_atomic_t *target)
  */
 bt_mesh_atomic_val_t bt_mesh_atomic_inc(bt_mesh_atomic_t *target)
 {
-    unsigned int key;
     bt_mesh_atomic_val_t ret;
 
-    key = bt_mesh_irq_lock();
+    bt_mesh_atomic_lock();
 
     ret = *target;
     (*target)++;
 
-    bt_mesh_irq_unlock(key);
+    bt_mesh_atomic_unlock();
 
     return ret;
 }
diff --git a/components/bt/esp_ble_mesh/mesh_common/mesh_buf.c b/components/bt/esp_ble_mesh/mesh_common/mesh_buf.c
index 9e5f6c184b..885c489f57 100644
--- a/components/bt/esp_ble_mesh/mesh_common/mesh_buf.c
+++ b/components/bt/esp_ble_mesh/mesh_common/mesh_buf.c
@@ -233,7 +233,6 @@ void net_buf_simple_reserve(struct net_buf_simple *buf, size_t reserve)
 void net_buf_slist_put(sys_slist_t *list, struct net_buf *buf)
 {
     struct net_buf *tail;
-    unsigned int key;
 
     NET_BUF_ASSERT(list);
     NET_BUF_ASSERT(buf);
@@ -242,21 +241,20 @@ void net_buf_slist_put(sys_slist_t *list, struct net_buf *buf)
         tail->flags |= NET_BUF_FRAGS;
     }
 
-    key = bt_mesh_irq_lock();
+    bt_mesh_list_lock();
     sys_slist_append_list(list, &buf->node, &tail->node);
-    bt_mesh_irq_unlock(key);
+    bt_mesh_list_unlock();
 }
 
 struct net_buf *net_buf_slist_get(sys_slist_t *list)
 {
     struct net_buf *buf, *frag;
-    unsigned int key;
 
     NET_BUF_ASSERT(list);
 
-    key = bt_mesh_irq_lock();
+    bt_mesh_list_lock();
     buf = (void *)sys_slist_get(list);
-    bt_mesh_irq_unlock(key);
+    bt_mesh_list_unlock();
 
     if (!buf) {
         return NULL;
@@ -264,9 +262,9 @@ struct net_buf *net_buf_slist_get(sys_slist_t *list)
 
     /* Get any fragments belonging to this buffer */
     for (frag = buf; (frag->flags & NET_BUF_FRAGS); frag = frag->frags) {
-        key = bt_mesh_irq_lock();
+        bt_mesh_list_lock();
         frag->frags = (void *)sys_slist_get(list);
-        bt_mesh_irq_unlock(key);
+        bt_mesh_list_unlock();
 
         NET_BUF_ASSERT(frag->frags);
 
@@ -373,7 +371,6 @@ struct net_buf *net_buf_alloc_len(struct net_buf_pool *pool, size_t size,
 #endif
 {
     struct net_buf *buf = NULL;
-    unsigned int key;
     int i;
 
     NET_BUF_ASSERT(pool);
@@ -384,7 +381,7 @@ struct net_buf *net_buf_alloc_len(struct net_buf_pool *pool, size_t size,
     /* We need to lock interrupts temporarily to prevent race conditions
      * when accessing pool->uninit_count.
      */
-    key = bt_mesh_irq_lock();
+    bt_mesh_buf_lock();
 
     /* If there are uninitialized buffers we're guaranteed to succeed
      * with the allocation one way or another.
@@ -394,13 +391,13 @@ struct net_buf *net_buf_alloc_len(struct net_buf_pool *pool, size_t size,
         for (i = pool->buf_count; i > 0; i--) {
             buf = pool_get_uninit(pool, i);
             if (!buf->ref) {
-                bt_mesh_irq_unlock(key);
+                bt_mesh_buf_unlock();
                 goto success;
             }
         }
     }
 
-    bt_mesh_irq_unlock(key);
+    bt_mesh_buf_unlock();
 
     NET_BUF_ERR("%s, Failed to get free buffer", __func__);
     return NULL;
diff --git a/components/bt/esp_ble_mesh/mesh_common/mesh_kernel.c b/components/bt/esp_ble_mesh/mesh_common/mesh_kernel.c
index 1ee0aa0d76..2e1803bdf0 100644
--- a/components/bt/esp_ble_mesh/mesh_common/mesh_kernel.c
+++ b/components/bt/esp_ble_mesh/mesh_common/mesh_kernel.c
@@ -24,7 +24,9 @@
 #include "provisioner_prov.h"
 
 static osi_mutex_t bm_alarm_lock;
-static osi_mutex_t bm_irq_lock;
+static osi_mutex_t bm_list_lock;
+static osi_mutex_t bm_buf_lock;
+static osi_mutex_t bm_atomic_lock;
 static hash_map_t *bm_alarm_hash_map;
 static const size_t BLE_MESH_GENERAL_ALARM_HASH_MAP_SIZE = 20 + CONFIG_BLE_MESH_PBA_SAME_TIME + \
         CONFIG_BLE_MESH_PBG_SAME_TIME;
@@ -37,18 +39,34 @@ typedef struct alarm_t {
     int64_t deadline_us;
 } osi_alarm_t;
 
-unsigned int bt_mesh_irq_lock(void)
+void bt_mesh_list_lock(void)
 {
-    /* Changed by Espressif. In BLE Mesh, in order to improve the real-time
-     * requirements of bt controller, we use task lock instead of IRQ lock.
-     */
-    osi_mutex_lock(&bm_irq_lock, OSI_MUTEX_MAX_TIMEOUT);
-    return 0;
+    osi_mutex_lock(&bm_list_lock, OSI_MUTEX_MAX_TIMEOUT);
 }
 
-void bt_mesh_irq_unlock(unsigned int key)
+void bt_mesh_list_unlock(void)
 {
-    osi_mutex_unlock(&bm_irq_lock);
+    osi_mutex_unlock(&bm_list_lock);
+}
+
+void bt_mesh_buf_lock(void)
+{
+    osi_mutex_lock(&bm_buf_lock, OSI_MUTEX_MAX_TIMEOUT);
+}
+
+void bt_mesh_buf_unlock(void)
+{
+    osi_mutex_unlock(&bm_buf_lock);
+}
+
+void bt_mesh_atomic_lock(void)
+{
+    osi_mutex_lock(&bm_atomic_lock, OSI_MUTEX_MAX_TIMEOUT);
+}
+
+void bt_mesh_atomic_unlock(void)
+{
+    osi_mutex_unlock(&bm_atomic_lock);
 }
 
 s64_t k_uptime_get(void)
@@ -76,7 +94,9 @@ void k_sleep(s32_t duration)
 void bt_mesh_k_init(void)
 {
     osi_mutex_new(&bm_alarm_lock);
-    osi_mutex_new(&bm_irq_lock);
+    osi_mutex_new(&bm_list_lock);
+    osi_mutex_new(&bm_buf_lock);
+    osi_mutex_new(&bm_atomic_lock);
     bm_alarm_hash_map = hash_map_new(BLE_MESH_GENERAL_ALARM_HASH_MAP_SIZE,
                                      hash_function_pointer, NULL,
                                      (data_free_fn)osi_alarm_free, NULL);
@@ -96,6 +116,7 @@ void k_delayed_work_init(struct k_delayed_work *work, k_work_handler_t handler)
         alarm = osi_alarm_new("bt_mesh", (osi_alarm_callback_t)handler, (void *)&work->work, 0);
         if (alarm == NULL) {
             BT_ERR("%s, Unable to create alarm", __func__);
+            osi_mutex_unlock(&bm_alarm_lock);
             return;
         }
         if (!hash_map_set(bm_alarm_hash_map, work, (void *)alarm)) {
@@ -173,6 +194,7 @@ int k_delayed_work_free(struct k_delayed_work *work)
         return -EINVAL;
     }
 
+    osi_alarm_cancel(alarm);
     hash_map_erase(bm_alarm_hash_map, work);
     return 0;
 }
diff --git a/components/bt/esp_ble_mesh/mesh_models/client/client_common.c b/components/bt/esp_ble_mesh/mesh_models/client/client_common.c
index bd7231ead2..5f9374b340 100644
--- a/components/bt/esp_ble_mesh/mesh_models/client/client_common.c
+++ b/components/bt/esp_ble_mesh/mesh_models/client/client_common.c
@@ -28,19 +28,25 @@
 
 static bt_mesh_client_node_t *bt_mesh_client_pick_node(sys_slist_t *list, u16_t tx_dst)
 {
+    bt_mesh_client_node_t *node = NULL;
+    sys_snode_t *cur = NULL;
+
+    bt_mesh_list_lock();
     if (sys_slist_is_empty(list)) {
+        bt_mesh_list_unlock();
         return NULL;
     }
 
-    sys_snode_t *cur = NULL; bt_mesh_client_node_t *node = NULL;
     for (cur = sys_slist_peek_head(list);
             cur != NULL; cur = sys_slist_peek_next(cur)) {
         node = (bt_mesh_client_node_t *)cur;
         if (node->ctx.addr == tx_dst) {
+            bt_mesh_list_unlock();
             return node;
         }
     }
 
+    bt_mesh_list_unlock();
     return NULL;
 }
 
@@ -103,24 +109,38 @@ bt_mesh_client_node_t *bt_mesh_is_client_recv_publish_msg(
         return NULL;
     }
 
+    if (k_delayed_work_remaining_get(&node->timer) == 0) {
+        BT_DBG("Unexpected status message 0x%x", ctx->recv_op);
+        if (cli->publish_status && need_pub) {
+            cli->publish_status(ctx->recv_op, model, ctx, buf);
+        }
+        return NULL;
+    }
+
     return node;
 }
 
 static bool bt_mesh_client_check_node_in_list(sys_slist_t *list, u16_t tx_dst)
 {
+    bt_mesh_client_node_t *node = NULL;
+    sys_snode_t *cur = NULL;
+
+    bt_mesh_list_lock();
     if (sys_slist_is_empty(list)) {
+        bt_mesh_list_unlock();
         return false;
     }
 
-    sys_snode_t *cur = NULL; bt_mesh_client_node_t *node = NULL;
     for (cur = sys_slist_peek_head(list);
             cur != NULL; cur = sys_slist_peek_next(cur)) {
         node = (bt_mesh_client_node_t *)cur;
         if (node->ctx.addr == tx_dst) {
+            bt_mesh_list_unlock();
             return true;
         }
     }
 
+    bt_mesh_list_unlock();
     return false;
 }
 
@@ -192,7 +212,9 @@ int bt_mesh_client_send_msg(struct bt_mesh_model *model,
         if ((err = bt_mesh_model_send(model, ctx, msg, cb, cb_data)) != 0) {
             osi_free(node);
         } else {
+            bt_mesh_list_lock();
             sys_slist_append(&internal->queue, &node->client_node);
+            bt_mesh_list_unlock();
             k_delayed_work_init(&node->timer, timer_handler);
             k_delayed_work_submit(&node->timer, timeout ? timeout : CONFIG_BLE_MESH_CLIENT_MSG_TIMEOUT);
         }
@@ -285,7 +307,9 @@ int bt_mesh_client_free_node(bt_mesh_client_node_t *node)
     }
 
     // Release the client node from the queue
+    bt_mesh_list_lock();
     sys_slist_find_and_remove(&internal->queue, &node->client_node);
+    bt_mesh_list_unlock();
     // Free the node
     osi_free(node);