no problem. i've sent the final patch as followup to kern/71258 and also
attached it to this message. to make it short. what's being changed by the
patch:
1) if MAP_ANON is defined and offset !=0 ====> return EINVAL
2) if MAP_STACK is defined and offset !=0 ====> offset = 0
would be great if you could have a look at the patch if you've got a spare
minute.
cheers.
alex
Index: sys/vm/vm_mmap.c
===================================================================
--- sys/vm/vm_mmap.c (revision 199016)
+++ sys/vm/vm_mmap.c (working copy)
@@ -244,6 +244,9 @@
pos = 0;
}
+ if (flags & MAP_ANON && pos != 0)
+ return (EINVAL);
+
/*
* Align the file position to a page boundary,
* and save its page offset component.
@@ -300,7 +303,6 @@
handle = NULL;
handle_type = OBJT_DEFAULT;
maxprot = VM_PROT_ALL;
- pos = 0;
} else {
/*
* Mapping file, get fp for validation and
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