[Bug uprobes/6852] New: unregister_uprobe: handle unmapped probepoint

[jkenisto at us dot ibm dot com]

If the page containing a probepoint has been unmapped, unregister_uprobe()
should refrain from trying to replace the bkpt with the original opcode.  I
think it's sufficient just to call uprobe_validate_vaddr() and act accordingly.
 I'll attach a patch to that effect, but I haven't figured out a good way to
test it (something  with dlclose(), perhaps).

-- 
           Summary: unregister_uprobe: handle unmapped probepoint
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P1
         Component: uprobes
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: jkenisto at us dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=6852

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