From 08986fd5b5774fd9fd4f10537ea54f08daed10e0 Mon Sep 17 00:00:00 2001
From: Renz Bagaporo <renz.bagaporo@espressif.com>
Date: Fri, 19 Jun 2026 10:17:33 +0900
Subject: [PATCH] fix(heap): reset alloc_stat before realloc lookup

Closes https://github.com/espressif/esp-idf/issues/18723
Closes https://github.com/espressif/esp-idf/pull/18724
---
 components/heap/heap_task_info.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/heap/heap_task_info.c b/components/heap/heap_task_info.c
index 30c168e6bbf..e992040dccb 100644
--- a/components/heap/heap_task_info.c
+++ b/components/heap/heap_task_info.c
@@ -343,6 +343,7 @@ HEAP_IRAM_ATTR void heap_caps_update_per_task_info_realloc(heap_t *heap, void *o
 
                     /* remove the alloc from the list. The updated alloc stats are added later
                      * in the function */
+                    alloc_stat = NULL;
                     STAILQ_FOREACH(alloc_stat, &heap_stats->allocs_stats, next_alloc_stat) {
                         if (alloc_stat->alloc_stat.address == old_ptr) {
                             STAILQ_REMOVE(&heap_stats->allocs_stats, alloc_stat, alloc_stats, next_alloc_stat);