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[Octave-bug-tracker] [bug #46449] Address-sanitizer triggered in scripts


From: Rik
Subject: [Octave-bug-tracker] [bug #46449] Address-sanitizer triggered in scripts/sparse/ichol.m
Date: Wed, 09 Mar 2016 17:58:51 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0

Update of bug #46449 (project octave):

                  Status:                    None => Fixed                  
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #14:

This was real.  For any sparse matrices that had columns of all zeros to the
right of the last non-zero element the code was overstepping the ridx pointer
array.  This bug was in ichol as well as ilu (written by the same person so
not surprising).  I fixed that in this cset
(http://hg.savannah.gnu.org/hgweb/octave/rev/13415264b9f8).

In order to test with the address sanitizer I had to compile using
'--without-opengl' and '--disable-docs' because there are all kinds of
problems associated with OpenGl.  That should probably be a separate bug
report.

    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?46449>

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