<p>I resolved issue after applying this patch. But I not sure that it is all that must be done</p>
<pre><code>diff --git a/src/core/data_lump.c b/src/core/data_lump.c
index e033b4e..6592fce 100644
--- a/src/core/data_lump.c
+++ b/src/core/data_lump.c
@@ -644,7 +644,10 @@ void del_nonshm_lump( struct lump** lump_list )
                        /* update the 'next' link of the previous lump */
                        *prev = crt;
                        /* entire before/after list must be removed */
-                       free_lump_list( foo );
+                       if (!(foo->flags&(LUMPFLAG_DUPED|LUMPFLAG_SHMEM)))
+                               free_lump_list( foo );
+                       if (!(foo->flags&LUMPFLAG_SHMEM))
+                               free_duped_lump_list(foo);
                } else {
                        /* check on before and prev list for non-shmem lumps */
                        r = crt->after;
</code></pre>

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