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Re: Protecting allocator headers with Valgrind - Mailing list pgsql-hackers

From Richard Guo
Subject Re: Protecting allocator headers with Valgrind
Date
Msg-id CAMbWs48th=nGAznZnEkNGy_WzADsUVHLYSTg5xbnzgQ4MpM3yg@mail.gmail.com
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In response to Protecting allocator headers with Valgrind  (David Rowley <dgrowleyml@gmail.com>)
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On Tue, Apr 11, 2023 at 9:28 PM David Rowley <dgrowleyml@gmail.com> wrote:
Over on [1], Tom mentioned that we might want to rethink the decision
to not protect chunk headers with Valgrind.  That thread fixed a bug
that was accessing array element -1, which effectively was reading the
MemoryChunk at the start of the allocated chunk as an array element.

Seems the link to the original thread is not pasted.  Here it is.

[1] https://www.postgresql.org/message-id/1650235.1672694719%40sss.pgh.pa.us

Thanks
Richard

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