Re: [BUG v13] Crash with event trigger in extension
Jehan-Guillaume de Rorthais <jgdr@dalibo.com>
From: Jehan-Guillaume de Rorthais <jgdr@dalibo.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Michael Paquier <michael@paquier.xyz>, pgsql-bugs@lists.postgresql.org
Date: 2020-09-04T14:56:58Z
Lists: pgsql-bugs
Attachments
On Fri, 4 Sep 2020 09:27:15 -0400 Alvaro Herrera <alvherre@2ndquadrant.com> wrote: > On 2020-Sep-04, Jehan-Guillaume de Rorthais wrote: > > > Indeed, it's much more simple and cheaper. However, the result is a bit > > confusing as it's not a wrong SQL result, but the backend that actually > > crash. The crash message itself appears in results/test_extensions.out, but > > no other tests are run. Neither from the same SQL file or from other ones. > > That Means the diff is quite large, but the error appears close from the > > top. > > Oh! If it crashes without the extension, then we don't *need* the > exension and surely we don't need the test to be in src/test/modules/; Oh wait. It's not what I meant. We *need* an extension to trigger the backend crash. > my inclination would be to put it somewhere in > src/test/regress/sql/event_triggers.sql, maybe at the bottom, with a > comment that references this thread. As the regression need an extension to be installed, it still makes sens to test from src/test/modules/test_extension where various extensions are installed to run the checks. Please find in attachment patch v3.
Commits
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Fix use-after-free bug with event triggers and ALTER TABLE.
- cc623ed2f4ac 9.6.20 landed
- 93f726c04fb1 12.5 landed
- 7978ad025478 9.5.24 landed
- 66c036b4f143 11.10 landed
- 41c742a43242 10.15 landed
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Fix use-after-free bug with event triggers in an extension script
- ced138e8cbac 14.0 landed
- 873cb8fca9b1 13.0 landed