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Re: segfault in bsxfun during "make check"

From: John W. Eaton
Subject: Re: segfault in bsxfun during "make check"
Date: Thu, 7 Mar 2019 04:22:43 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1

On 3/6/19 5:49 PM, John W. Eaton wrote:
On 3/6/19 5:36 PM, John W. Eaton wrote:
On 3/6/19 4:41 PM, PhilipNienhuis wrote:
During "make check" I get a segfault in bsxfun:

   libinterp/corefcn/bitfcns.cc-tst ............................... PASS
   libinterp/corefcn/bsxfun.cc-tst ................................fatal:
caught signal Segmentation fault -- stopping myself...
/bin/sh: line 1: 14215 Segmentation fault      (core dumped) /bin/sh
../run-octave --no-init-file --silent --no-history -p
Makefile:27988: recipe for target 'check-local' failed
make[3]: *** [check-local] Error 139

address@hidden dev]$ hg summary
parent: 26855:156bd21bf6bd
  editor follows XDG_CONFIG_HOME for autocompletion files (bug ##55822)
branch: default
bookmarks: *@
commit: (clean)

Mageia-6 Linux

Anyone else seeing this?

It doesn't crash for me.

I'm guessing it's due to my recent changes to function handles.

Can you try running the test suite with gdb?

Or, can you try building with --enable-address-sanitizer-flags and see if that gives any clues about memory errors?  You may also need to use --disable-java and --disable-docs to make that work.

OK, I built with the address sanitizer and I see the following when running "make check".  I'll try to take a look at this problem later tonight.

I'm attaching a patch you can experiment with.


Attachment: diffs.txt
Description: Text document

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