Horton

Re: Fix overflow in DecodeInterval

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Joseph Koshakow <koshy44@gmail.com>
Cc: Andres Freund <andres@anarazel.de>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-04-02T19:10:18Z
Lists: pgsql-hackers 
Joseph Koshakow <koshy44@gmail.com> writes:
> I took a stab at this issue and the attached patch (which would be
> applied on top of your v10 patch) seems to fix the issue. Feel
> free to ignore it if you're already working on a fix.

You really only need to flip val/fval in one place.  More to the
point, there's also the hh:mm:ss paths to deal with; see my v11.

			regards, tom lane

Commits

  1. Fix portability issues in datetime parsing.

  2. Fix overflow hazards in interval input and output conversions.

  3. Add a couple more tests for interval input decoding.