Re: BUG #15367: Crash in pg_fe_scram_free when using foreign tables

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От Michael Paquier
Тема Re: BUG #15367: Crash in pg_fe_scram_free when using foreign tables
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Msg-id 20180907181522.GB32058@paquier.xyz
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Ответ на Re: BUG #15367: Crash in pg_fe_scram_free when using foreign tables  (Jeremy Evans <code@jeremyevans.net>)
Ответы Re: BUG #15367: Crash in pg_fe_scram_free when using foreign tables
Re: BUG #15367: Crash in pg_fe_scram_free when using foreign tables
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On Fri, Sep 07, 2018 at 10:55:18AM -0700, Jeremy Evans wrote:
> Here's the backtrace:
>
> #5  0x000017c20a6b8b00 in pg_fe_scram_free (opaq=0x17c223712000) at fe-auth-scram.c:127
> #6  0x000017c20a6b9d20 in pqDropConnection (conn=0x17c1dac61800, flushInput=1 '\001') at fe-connect.c:479
> #7  0x000017c20a6bf95e in closePGconn (conn=0x17c1dac61800) at fe-connect.c:3710
>
> Hopefully this helps.  If you need more information, please let me know.

Thanks.  This fails when freeing the password field in fe_scram_state.
I have a question: does your password use non-ASCII characters which
could make SASLprep to be run on the password string?  The result string
from pg_saslprep allocates a new string for any results returned by
reading the code, I am wondering if we could be missing something..
--
Michael

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