[Bug tapsets/3880] New: vfs.stp embedded-C functions need more deref() protection

[fche at redhat dot com]

Functions like __file_maxbytes and __file_filename make too many
assumptions about their arguments.  For example, the former only
uses deref() for one link in the pointer chain, whereas it really
needs it for all steps (in case the intermediate pointers are corrupted).
The latter needs to use a protected string-copy, not just a nullness test.

This whole tapset should be reviewed for similar optimism.

-- 
           Summary: vfs.stp embedded-C functions need more deref()
                    protection
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tapsets
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: fche at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=3880

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