[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.9-228-gd0822e2

[brolley at sourceware dot org]

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- Log -----------------------------------------------------------------
commit d0822e28934cd0387c2af4349cf52c52c368c55a
Author: Dave Brolley <brolley@redhat.com>
Date:   Thu Sep 3 17:19:05 2009 -0400

    Disallow kernel space memory access when unprivileged.
    
    2009-09-03  Dave Brolley  <brolley@redhat.com>
    
            * runtime/addr-map.c (lookup_addr_aux): Now takes size argument.
            Consider the size when looking for overlapping range with the map
            entries.
            (lookup_bad_addr): Now takes size argument. Disallow kernel space access
            when STP_PRIVILEGED is not defined. Pass size to lookup_addr_aux.
            <asm/processor.h>: #include it when STP_PRIVILEGED is not defined.
            (add_bad_addr_entry): Supply a size of 1 to calls to lookup_addr_aux.
            * runtime/loc2c-runtime.h (kread): Pass sizeof (*(ptr)) to
            lookup_bad_addr.
            (kwrite): Likewise.
            (deref): Pass size to lookup_bad_addr.
            (store_deref): Likewise.

-----------------------------------------------------------------------

Summary of changes:
 runtime/addr-map.c      |   45 +++++++++++++++++++++++++++++++++++----------
 runtime/loc2c-runtime.h |   28 ++++++++++++++--------------
 2 files changed, 49 insertions(+), 24 deletions(-)


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