Merge pull request #10208 from evgeny-leksikov/ucs_memtrack_dump

UCS/MEMTRACK: fix allocation on memtrack dump

src/ucs/debug/memtrack.c

@@ -134,9 +134,17 @@ static void ucs_memtrack_dump_internal(FILE* output_stream)
  return;
  }
 
- /* collect all entries to one array */
- all_entries = ucs_alloca(sizeof(*all_entries) *
- kh_size(&ucs_memtrack_context.entries));
+ /* collect all entries to one array
+ * - do not use ucs_alloca() since stack may have not enough space
+ * - do not use ucs_malloc since it affects memtrack structures
+ */
+ all_entries = malloc(sizeof(*all_entries) *
+ kh_size(&ucs_memtrack_context.entries));
+ if (all_entries == NULL) {
+ ucs_error("cannot allocate memory to dump memtrack entries");
+ return;
+ }
+
  num_entries = 0;
  kh_foreach_value(&ucs_memtrack_context.entries, entry, {
  all_entries[num_entries++] = entry;
@@ -158,6 +166,8 @@ static void ucs_memtrack_dump_internal(FILE* output_stream)
  fprintf(output_stream, UCS_MEMTRACK_FORMAT_STRING, entry->name,
  entry->size, entry->peak_size, entry->count, entry->peak_count);
  }
+
+ free(all_entries);
 }
 
 static void ucs_memtrack_generate_report()