Re: [HACKERS] Backend crashes - what's going on here???

>
> Hey,
>
> the current snapshot dumps core on the 4th time doing
>
> REVOKE ALL ON pg_user FROM public;
>
> It does too in other situations but this is the simplest to
> reproduce. The segmentation fault happens in nocachegetattr()
> due to a destroyed tuple descriptor (natts = 0!!! and the
> others don't look good either) for the syscache 21 (USENAME).
> But the destruction must happen somewhere else.
>
> With the 02/13 snapshot I haven't got any problems on it.
> But cannot find the error with diff.
>
> BTW: Doing last checks on view permissions - sending a patch
> soon.

Yep, I saw this too when testing my password acl null patch. Couldn't
reproduce it, so I thought it was a fluke.

--
Bruce Momjian
maillist(at)candle(dot)pha(dot)pa(dot)us