| From: | "'alvherre(at)alvh(dot)no-ip(dot)org'" <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "iwata(dot)aya(at)fujitsu(dot)com" <iwata(dot)aya(at)fujitsu(dot)com>, "tsunakawa(dot)takay(at)fujitsu(dot)com" <tsunakawa(dot)takay(at)fujitsu(dot)com>, 'Kyotaro Horiguchi' <horikyota(dot)ntt(at)gmail(dot)com>, "k(dot)jamison(at)fujitsu(dot)com" <k(dot)jamison(at)fujitsu(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: libpq debug log |
| Date: | 2021-03-31 22:14:28 |
| Message-ID: | 20210331221428.GA27517@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2021-Mar-31, 'alvherre(at)alvh(dot)no-ip(dot)org' wrote:
> .. oh, I think we forgot to set conn->Pfdebug = NULL when creating the
> connection. So when we do PQtrace(), the first thing it does is
> PQuntrace(), and then that tries to do fflush(conn->Pfdebug) ---> crash.
> So this should fix it.
I tried to use MALLOC_PERTURB_ to prove this theory, but I failed at it.
I'll just push this blind and see what happens.
--
Álvaro Herrera 39°49'30"S 73°17'W
"Someone said that it is at least an order of magnitude more work to do
production software than a prototype. I think he is wrong by at least
an order of magnitude." (Brian Kernighan)
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