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Message-ID: <87ecvdmgz6.fsf@gentoo.org>
Date: Sat, 21 Jun 2025 13:11:57 +0100
From: Sam James <sam@...too.org>
To: Alejandro Colomar <alx@...nel.org>
Cc: Eric Blake <eblake@...hat.com>, Rich Felker <dalias@...c.org>, enh
<enh@...gle.com>, Florian Weimer <fweimer@...hat.com>, Adhemerval
Zanella Netto <adhemerval.zanella@...aro.org>, musl@...ts.openwall.com,
libc-alpha@...rceware.org, Joseph Myers <josmyers@...hat.com>,
наб
<nabijaczleweli@...ijaczleweli.xyz>, Paul Eggert <eggert@...ucla.edu>,
Robert Seacord <rcseacord@...il.com>, Bruno Haible <bruno@...sp.org>,
bug-gnulib@....org, JeanHeyd Meneide <phdofthehouse@...il.com>,
Thorsten Glaser <tg@...bsd.de>
Subject: Re: Re: BUG: realloc(p,0) should be consistent with malloc(0)
Alejandro Colomar <alx@...nel.org> writes:
> Hi Sam,
>
> On Sat, Jun 21, 2025 at 04:57:32AM +0100, Sam James wrote:
>> Alejandro Colomar <alx@...nel.org> writes:
>>
>> > [...]
>> >
>> > But the glibc maintainers mentioned that they're investigating about it
>> > in distros, so I guess we'll eventually have the results of their
>> > investigation.
>> >
>>
>> To manage expectations: I haven't seen anyone say they're going to work
>> on this. I recall Sid mentioning it *could* be done (not offering to do
>> it) and Adhemerval made a similar remark, but I don't think anyone has
>> said they're undertaking this work.
>>
>> If I've missed some other remark (very possible with the length of the
>> thread!), let me know of course.
>
> Adhemerval mentioned in
> Message-ID: <14fd8d0b-d32d-421f-8262-9c7ff9b1a22b@...aro.org>
>
> | So what I would expect to move this forwards will be to.
The bit before that is important ;)
That's where he said (and later corrected himself) that there was
consensus, and so the next steps would be ...
> |
> | 1. Reopen https://sourceware.org/bugzilla/show_bug.cgi?id=12547
> |
> | 2. Follow the suggestions laid out by Siddhesh [2]. The Distribution-wide
> | verification seems already to be in progress, with some good results
> | from gnulib realloc replacement and some work by you on checking some
> | other projects (systemd for instance).
> |
> | 3. Prepare the patch to change it, along with the manual documentation,
> | regression testcase, and the NEW entry.
> |
> | 4. Since we are near to 2.42 release, this change should be done once
> | 2.43 starts to give some time to check potential issue with rolling
> | distros like Fedora Rawhide.
I don't think anybody is doing such distro-wide work other than things
using gnulib where we'd notice if tests started to fail. That's what I'm
trying to clarify: please don't wait on anybody doing it, because
nobody's declared they're working on it.
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