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Re: 4.4: crash in redir10 test; use after free?


From: Chet Ramey
Subject: Re: 4.4: crash in redir10 test; use after free?
Date: Wed, 2 Nov 2016 12:35:09 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.4.0

On 11/1/16 12:03 PM, Christian Weisgerber wrote:
> Running the bash 4.4 regression test suite on OpenBSD/amd64, I noticed
> a crash in the redir tests.  Specifically, running redir10.sub with
> bash 4.4 causes it to die with a bus error most of the time.

Thanks for the report.  I can't reproduce this, nor could I reproduce it
on OpenBSD when I tested there before bash-4.4 was released.  (I don't
have ready access to that OpenBSD VM right now, but a use after free should
occur on other systems as well.)

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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