Re: history-search-* and undo lists

[Chet Ramey]

On 11/18/24 10:22 PM, Grisha Levit wrote:
> On Tue, Nov 5, 2024 at 11:20 AM Chet Ramey <chet.ramey@case.edu> wrote:
> > On 10/18/24 4:22 PM, Grisha Levit wrote:
> > > There's some issue with undo list handling in history-search-* commands:
> > >
> > > Doing a successful search with a line that has an undo list causes the
> > > undo entries from that list to leaked:
> >
> > Thanks for the report. Please try this with the latest devel branch push.
>
> Yup, can confirm much fewer fuzzing hits now.
>
> But here's a remaining one in combination with history-expand-line:

Thanks for the report. I'm not sure what to do about this one yet.

> HISTFILE= INPUTRC=/ bash --norc -in <<< \
> $'X\n\e[A!X\e^\e[A'
> =================================================================
> ERROR: LeakSanitizer: detected memory leaks


There will be a fix for the use-after-free problem in the next devel
branch push.

> HISTFILE= INPUTRC=/ bash --norc -in <<< \
> $'X\n\cPX\e[A!X\et\e^\exhistory-search-forward\n\e1\cO'
> =================================================================
> ERROR: AddressSanitizer: heap-use-after-free on address 0xe87234c21f48
> READ of size 4 at 0xe87234c21f48 thread T0

Chet
--
``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/

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