Re: [sqlsmith] Crash on GUC serialization

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andreas Seltenreich <seltenreich(at)gmx(dot)de>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [sqlsmith] Crash on GUC serialization
Date: 2016-11-19 17:31:12
Message-ID: 2655.1479576672@sss.pgh.pa.us
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Andreas Seltenreich <seltenreich(at)gmx(dot)de> writes:
> sqlsmith just made a GUC that tricks the serialization code into
> dereferencing a nullpointer. Here's a recipe:

Thanks for the report! Looks like the serialization code has overlooked
the fact that string-valued GUCs can be NULL. Surprising we didn't
find that before ...

regards, tom lane

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