I resolved issue after applying this patch. But I not sure that it is all that must be done ``` 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; ```