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@candle.pha.pa.us