Re: Crash in info 7.0.1

[Arsen Arsenović]

Evening,

Gavin Smith <gavinsmith0123@gmail.com> writes:

> On Mon, Jan 16, 2023 at 03:36:23PM +0900, Mark Laws wrote:
>> Hi,
>> 
>> To reproduce, simply run "info --index-search=nh groff" using info from
>> texinfo 7.0.1 and the info pages from groff 1.22.4.  info will
>> initialize the terminal, then the following will appear at the bottom
>> row:
>> 
>> > Found 'nh' in Request Index. (',' tries to find next.)
>> 
>> followed immediately by a message from inside glibc:
>> 
>> > malloc(): unsorted double linked list corrupted
>
> Many thanks for the report and the backtrace.  I have tested this
> with the recent development version and on the release branch and
> the crash does not occur.  I have tested it with Texinfo 7.0.1 and
> the crash happened as you describe.

As a datapoint, Gentoo has a Texinfo 7.0.1 with two patches and no
crash.  One of these, labeled texinfo-7.0.1-info-groff-crash.patch, is a
backport of this commit:

commit 86185e7cedafd011376d0efb6f7e028231dbf641
Author: Gavin Smith <gavinsmith0123@gmail.com>
Date:   Mon Dec 12 18:40:01 2022 +0000

    * info/util.c (text_buffer_iconv): Correctly update arguments
    for iconv in loop.  Crash for "info groff" reported by Jakub Wilk
    via Hilmar Preuße <hille42@web.de>.


https://git.savannah.gnu.org/cgit/texinfo.git/commit/?h=release/7.0&id=86185e7cedafd011376d0efb6f7e028231dbf641

... so I do believe this is fixed.

> There was a fix for info since Texinfo 7.0.1 so this may have resolved
> this problem.  Hopefully we can make a Texinfo 7.0.2 release soon that
> will include this fix.

-- 
Arsen Arsenović

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