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Re: BUG #18692: Segmentation fault when extending a varchar column with a gist index with custom signal length - Mailing list pgsql-bugs

From Tom Lane
Subject Re: BUG #18692: Segmentation fault when extending a varchar column with a gist index with custom signal length
Date
Msg-id 3261639.1730912933@sss.pgh.pa.us
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In response to BUG #18692: Segmentation fault when extending a varchar column with a gist index with custom signal length  (PG Bug reporting form <noreply@postgresql.org>)
Responses Re: BUG #18692: Segmentation fault when extending a varchar column with a gist index with custom signal length
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PG Bug reporting form <noreply@postgresql.org> writes:
> When extending a varchar column with a gist index with a custom signal
> length the Postgres server crashes with a segmentation fault.

What this shows is that CompareOpclassOptions has never been tested
at all except with null inputs.  It's trying to call array_eq
without providing an FmgrInfo.

            regards, tom lane

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