Re: readline: double free when using PageDown

[Chet Ramey]

On 11/25/23 11:41 AM, Matthias Klose wrote:
> [forwarded from https://bugs.debian.org/1056314]
>
> """
> I am getting a crash in the Python REPL in this scenario:
>
> 1. start "python3" in a terminal
> 2. type "2+2", enter
> 3. type (or copy-paste) "1234+5678", enter
> 4. arrow-up, remove "234", page-down, arrow-up, enter
> 5. arrow-up, arrow-up, add "000" (or whatever) after the 1, enter.
>
> this results in:
>
> free(): double free detected in tcache 2
>   [1]    2319820 IOT instruction  python3

I can reproduce this in bash-5.2, but not in the devel branch.


--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/