--- procps-3.2.5/pmap.c.orig	2005-09-13 23:13:04 +0000

+++ procps-3.2.5/pmap.c	2005-09-13 23:48:34 +0000

@@ -85,10 +85,9 @@ static void discover_shm_minor(void){

     }

   }

-  if(shmdt(addr)) perror("shmdt");

-

 out_destroy:

   if(shmctl(shmid, IPC_RMID, NULL)) perror("IPC_RMID");

+  if(addr!=(void*)-1 && shmdt(addr)) perror("shmdt");

   return;

 }